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:ECOiOG~CA S''_J::ES OF ''HE CONN:EC~~;;C_''' R VER VERNON/V ERMON''
:ECOiOG~CA S''_J::ES OF ''HE CONN:EC~~;;C_''' R VER VERNON/V ERMON''
REPORT XII JANUARY 1982 - DECEMBER 1982 PREPARED FOR VERMONT YANKEE NUCLEAR POWER CORPORATION BY AQUATEC, INC.
REPORT XII JANUARY 1982 - DECEMBER 1982 PREPARED FOR VERMONT YANKEE NUCLEAR POWER CORPORATION BY AQUATEC, INC.
SOUTH BURLINGTON, VERMONT 1983
SOUTH BURLINGTON, VERMONT 1983
      $S04$888AoS$8oS91 PDR R
$S04$888AoS$8oS91 R
PDR


ECOLOGICAL STUDIES OF THE CONNECTICUT RIVER REPORT XII VERMONT YANKEE NUCLEAR POWER CORPORATION TABLE OF CONTENTS
ECOLOGICAL STUDIES OF THE CONNECTICUT RIVER REPORT XII VERMONT YANKEE NUCLEAR POWER CORPORATION TABLE OF CONTENTS 1.
: 1. INTRODUCTION AND  
INTRODUCTION AND  


==SUMMARY==
==SUMMARY==
l
l 2.
: 2. CONNECTICUT RIVER DISCHARGE                 11
CONNECTICUT RIVER DISCHARGE 11 3.
: 3. RIVER TEMPERATURE                           17
RIVER TEMPERATURE 17 4.
: 4. WATER QUALITY STUDIES                       65
WATER QUALITY STUDIES 65 5.
: 5. PLANKTON STUDIES                           107 5.1 .Phytoplankton Studies                 107 5.2   Zooplankton Studies                 118
PLANKTON STUDIES 107 5.1.Phytoplankton Studies 107 5.2 Zooplankton Studies 118 6.
: 6. ENTRAINMENT STUDIES                       127
ENTRAINMENT STUDIES 127 7.
: 7. BENTHIC FAUNA STUDIES                     133
BENTHIC FAUNA STUDIES 133 8.
: 8. FISH STUDIES                               151 8.1   Fish Impingement Studies             151 8.2   Resident Finfish Studies             156 LITERATURE CITED                           183 iii
FISH STUDIES 151 8.1 Fish Impingement Studies 151 8.2 Resident Finfish Studies 156 LITERATURE CITED 183 iii


LIST OF FIGURES 1.1 Vermont Yankee Power Level Histogram, 1982           3 1.2 Vermont Yankee Sample Stations                       4 2.1 Connecticut River Discharge, Vernon, Vermont, 1982 12 3.1 Temperature, Station No. 3, 1982                   18 3.2 Temperature, Station No. 7, 1982                   19 4.1 Dissolved Oxygen, Station No. 3, 1982               70 4.2 Dissolved Oxygen, Station No. 7, 1982               71 4.3 pH, Station No. 3, 1982                             72 4.4 pH, Station No. 7, 1982                             73 4.5 Comparison of Observed Station 3 Sodium Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1969-1974                 74 4.6 Comparison of Observed Station 3 Sulfate Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1969-1974                 75 4.7 Comparison of Observed Station 3 Chloride Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1967-1974                 76 4.8 Comparison of Observed Station 3 Alkalinity Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1967-1974                 77 5.1 Plankton Sample Station Locations                 108 5.2 Seasonal Phytoplankton Distribution, Station No. 7 - Monitor                                 110 5.3 Seasonal Phytoplankton Distribution, Station No. 3 - Monitor                                 111 5.4 Seasonal Zooplankton Distribution, Station No. 7 - Monitor                                 120 5.5 seasonal Zooplankton Distribution, Station No. 3 - Monitor                                 121 7.1 Benthic Fauna Sample Station Locations             134 8.1 Fish Sample Stations                               157 8.2 Resident Fish Species. Composition by Weight, 1982 Survey                                     171 8.3 Resident Fish Species, Composition by Number, 1982 Survey                                     171 v
LIST OF FIGURES 1.1 Vermont Yankee Power Level Histogram, 1982 3
1.2 Vermont Yankee Sample Stations 4
2.1 Connecticut River Discharge, Vernon, Vermont, 1982 12 3.1 Temperature, Station No.
3, 1982 18 3.2 Temperature, Station No. 7, 1982 19 4.1 Dissolved Oxygen, Station No. 3, 1982 70 4.2 Dissolved Oxygen, Station No. 7, 1982 71 4.3 pH, Station No. 3, 1982 72 4.4 pH, Station No.
7, 1982 73 4.5 Comparison of Observed Station 3 Sodium Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1969-1974 74 4.6 Comparison of Observed Station 3 Sulfate Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1969-1974 75 4.7 Comparison of Observed Station 3 Chloride Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1967-1974 76 4.8 Comparison of Observed Station 3 Alkalinity Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1967-1974 77 5.1 Plankton Sample Station Locations 108 5.2 Seasonal Phytoplankton Distribution, Station No. 7 - Monitor 110 5.3 Seasonal Phytoplankton Distribution, Station No. 3 - Monitor 111 5.4 Seasonal Zooplankton Distribution, Station No. 7 - Monitor 120 5.5 seasonal Zooplankton Distribution, Station No. 3 - Monitor 121 7.1 Benthic Fauna Sample Station Locations 134 8.1 Fish Sample Stations 157 8.2 Resident Fish Species.
Composition by Weight, 1982 Survey 171 8.3 Resident Fish Species, Composition by Number, 1982 Survey 171 v


LIST OF FIGURES (CONT'D) 8.4                                                                     Resident Fish Species. Percentage Composition by Weight                                                                         172 8.5                                                                   Resident Fish Species. Percentage Composition by Number                                                                         173 8.6                                                                 Age-Growth Graphs ---White Perch                                                                           175 8.7                                                                   Age-Growth Graphs ---Yellow Perch                                                                         177 8.8                                                                   Age-Growth Graphs --- Walleye                                                                             179 8.9                                                                   Age-Growth Graphs--- Smallmouth Bass                                                                     181 LIST OF TABLES 2.1                                                                   Connecticut River Discharge Vernon, Vermont, Summary of Daily Means, 1965-1982                                                 13 2.2                                                                   Connecticut River Discharge, Vernon, Vermont, Summary of Monthly Means, 1965-1982                                               13 2.3                                                                   Occurrence of Connecticut River Minimum Flow, Vernon, Vermont, 1982                                                               15 3.1                                                                 Temperature Data, Station No. 3, 1982                                                                       24 3.2                                                                   Temperature Data, Station No. 7, 1982                                                                     36 3.3                                                                   Differences in Successive Hourly Mean Temperatures in F at Monitor 3, 1982                                                           48 3.4                                                                   Frequency Distribution of Rate of Change of Temperature at Monitor 3, 1982                                                     22 3.5                                                                   Differences in Hourly Mean Temperature in *F at Monitor 3 and Monitor 7, 1982                                           56 3.6                                                                   Frequency Distribution of Differences in Hourly Mean Temperatures Between Monitor 3 and Monitor 7, 1982                                                                     23 4.1                                                                   Dissolved Oxygen and pH Data, Station No. 3, 1982                                                         78 4.2                                                                   Dissolved Oxygen and pH Data, Station No. 7, 1982                                                         90 4.3                                                                   Results, Water Quality Analysis, 1982                                                                   102 4.4                                                                   Sammary of Statistics from Linear Regression Analysis of Preoperational and Closed Cycle Data at Stations 7 and 3 for Four Parameters                                       68 5.1                                                                   Dominant Phytoplankton Species, 1982                                                                     109 5.2                                                                   Comparison of Observed Monitor 3 Phytoplankton Count with Monitor 3 Count Predicted by Regression Analysis of Low Range Preoperational/ Closed Cycle Monitor Data of 1970-1974                                                         113 5.3                                                                   Checklist of Net Phytoplankton of the Connecticut River near Vernon, Vermont, 1982                                               116 5.4                                                                   Mean Percentages and Percentage Ranges of Diatoms, Flagellates, Green, and Blue-Green Algae, 1982                                   115 vi
LIST OF FIGURES (CONT'D) 8.4 Resident Fish Species.
Percentage Composition by Weight 172 8.5 Resident Fish Species.
Percentage Composition by Number 173 8.6 Age-Growth Graphs ---White Perch 175 8.7 Age-Growth Graphs ---Yellow Perch 177 8.8 Age-Growth Graphs --- Walleye 179 8.9 Age-Growth Graphs--- Smallmouth Bass 181 LIST OF TABLES 2.1 Connecticut River Discharge Vernon, Vermont, Summary of Daily Means, 1965-1982 13 2.2 Connecticut River Discharge, Vernon, Vermont, Summary of Monthly Means, 1965-1982 13 2.3 Occurrence of Connecticut River Minimum Flow, Vernon, Vermont, 1982 15 3.1 Temperature Data, Station No.
3, 1982 24 3.2 Temperature Data, Station No. 7, 1982 36 3.3 Differences in Successive Hourly Mean Temperatures in F at Monitor 3, 1982 48 3.4 Frequency Distribution of Rate of Change of Temperature at Monitor 3, 1982 22 3.5 Differences in Hourly Mean Temperature in *F at Monitor 3 and Monitor 7, 1982 56 3.6 Frequency Distribution of Differences in Hourly Mean Temperatures Between Monitor 3 and Monitor 7, 1982 23 4.1 Dissolved Oxygen and pH Data, Station No.
3, 1982 78 4.2 Dissolved Oxygen and pH Data, Station No. 7, 1982 90 4.3 Results, Water Quality Analysis, 1982 102 4.4 Sammary of Statistics from Linear Regression Analysis of Preoperational and Closed Cycle Data at Stations 7 and 3 for Four Parameters 68 5.1 Dominant Phytoplankton Species, 1982 109 5.2 Comparison of Observed Monitor 3 Phytoplankton Count with Monitor 3 Count Predicted by Regression Analysis of Low Range Preoperational/ Closed Cycle Monitor Data of 1970-1974 113 5.3 Checklist of Net Phytoplankton of the Connecticut River near Vernon, Vermont, 1982 116 5.4 Mean Percentages and Percentage Ranges of Diatoms, Flagellates, Green, and Blue-Green Algae, 1982 115 vi


LIST OF TABLES (CONT'D) 5.5   Dominant Zooplankton Taxa, 1982                                                                                                                               119 5.6   Comparison of observed Monitor 3 Zooplankton Count with Monitor 3 Count Predicted by Regression Analysis of Preoperational/ Closed Cycle Monitor Data of 1970-1974                                                                                                                                           122 5.7   Checklist of the Zooplankton of the Connecticut River near Vernon, Vermont, 1982                                                                                                                             124 5.8   Mean Percentages and Percentage Ranges of Protozoa, Copepoda, Cladocera, and Rotatoria, 1982                                                                                                                     123 6.1   Summary of Results, Vermont Yankee Entrainment Studies, 1982                                                                                                                                               129 6.2   Percent Changes in Live Plankton Concentrations Between Entrainment Intake and Discharge Samples, 1982                                                                                                                                               130 6.3   Calculated Percent Changes in Live Plankton Concentrations of River Effected by Entrain-ment, 1982                                                                                                                                                   131 7.1   Checklist of the Benthic Fauna of the Connecticut River near Vernon, Vermont, 1982                                                                                                                             140 .
LIST OF TABLES (CONT'D) 5.5 Dominant Zooplankton Taxa, 1982 119 5.6 Comparison of observed Monitor 3 Zooplankton Count with Monitor 3 Count Predicted by Regression Analysis of Preoperational/ Closed Cycle Monitor Data of 1970-1974 122 5.7 Checklist of the Zooplankton of the Connecticut River near Vernon, Vermont, 1982 124 5.8 Mean Percentages and Percentage Ranges of Protozoa, Copepoda, Cladocera, and Rotatoria, 1982 123 6.1 Summary of Results, Vermont Yankee Entrainment Studies, 1982 129 6.2 Percent Changes in Live Plankton Concentrations Between Entrainment Intake and Discharge Samples, 1982 130 6.3 Calculated Percent Changes in Live Plankton Concentrations of River Effected by Entrain-ment, 1982 131 7.1 Checklist of the Benthic Fauna of the Connecticut River near Vernon, Vermont, 1982 140 7.2 Comparison of Number of Samples and Number of Genera of Benthos Collected by Ekman Dredge 135 7.3 Summary of Results of Analysis, Benthic Fauna Samples, 1982 138 8.1 Summary of Weight and Total Length Extremes of Fish Species Collected in 1982 Impingement Studies 153 8.2 Summary by Month of Number and Weight in Grams of Fish Species Collected in Impingement Studies, 1982 154 8.3 Summary of Fishing Effort and Results, 1982 161 8.4 Fishes of the Connecticut River in the Vicinity of Vernon, Vermont, 1982 162 8.5 Fishes of the Connecticut River in the Vicinity of Vernon, Vermont, Collections North of Vernon Dam, 1982 163 8.6 Fishes of The Connecticut River in the Vicinity of Vernon, Vermont, Collections South of Vernon Dam, 1982 166 8.7 Frequency Distribution of Fish Species by Total Length, 1982 168 8.8 Age-Growth Data --- White Perch 174 8.9 Age-Growth Data --- Yellow Perch 176 8.10 Age-Growth Data --- Walleye 178 8.11 Age-Growth Data --- Smallmouth Bass 180 8.12 Age-Growth Data --- Largemouth Bass, 1982 160 vii
7.2   Comparison of Number of Samples and Number of Genera of Benthos Collected by Ekman Dredge                                                                                                                 135 7.3   Summary of Results of Analysis, Benthic Fauna Samples, 1982                                                                                                                                               138 8.1   Summary of Weight and Total Length Extremes of Fish Species Collected in 1982 Impingement Studies                                                                                                                                                     153 8.2   Summary by Month of Number and Weight in Grams of Fish Species Collected in Impingement Studies, 1982                                                                                                                                               154 8.3   Summary of Fishing Effort and Results, 1982                                                                                                                   161 8.4   Fishes of the Connecticut River in the Vicinity of Vernon, Vermont, 1982                                                                                                                                     162 8.5   Fishes of the Connecticut River in the Vicinity of Vernon, Vermont, Collections North of Vernon Dam, 1982                                                                                                                                             163 8.6   Fishes of The Connecticut River in the Vicinity of Vernon, Vermont, Collections South of Vernon Dam, 1982                                                                                                                                             166 8.7   Frequency Distribution of Fish Species by Total Length, 1982                                                                                                                                                 168 8.8   Age-Growth             Data --- White Perch                                                                                                                   174 8.9   Age-Growth             Data --- Yellow Perch                                                                                                                 176 8.10 Age-Growth             Data --- Walleye                                                                                                                       178 8.11 Age-Growth             Data --- Smallmouth Bass                                                                                                               180 8.12 Age-Growth             Data --- Largemouth Bass , 1982                                                                                                       160 vii


9 SECTION 1 INTRODUCTION AND  
9 SECTION 1 INTRODUCTION AND  


==SUMMARY==
==SUMMARY==
b


b
1.
: 1. INTRODUCTION AND  
INTRODUCTION AND  


==SUMMARY==
==SUMMARY==
 
Vermont Yankee Nuclear Power Corporation's generating station in Vernon, Vermont, established four operating records in 1982.
Vermont Yankee Nuclear Power Corporation's generating station in Vernon, Vermont, established four operating records in 1982. Its thermal capacity factor for 1982 was 94.0%, the best production record for all boiling water reactors in the world in 1982. The highest capacity factor achieved by Vermont Yankee in prior years was 81.1% in 1981. Power was generated during 8409 hours of 1982, 96.0% of the time. During the hours of power generation, the average power level was 98.0%. Figure 1.1 is a graph of the plant's record of power production in 1982.
Its thermal capacity factor for 1982 was 94.0%, the best production record for all boiling water reactors in the world in 1982.
Environmental studies of the Connecticut River near Vernon, Vermont, were conducted in 1982 in accordance with a schedule of such studies detailed in Vermont Yankee's NPDES permit. Addi-tional studies were conducted in 1982 under the study program, approved by the states of Vermont and New Hampshire, for Pro-ject SAVE. That project has been undertaken to ascertain whether some operation in the period mid-May to mid-October in open or hybrid cycle modes of condenser cooling could be util-ized in order to increase energy production without adversely affecting the Connecticut River ecosystem.
The highest capacity factor achieved by Vermont Yankee in prior years was 81.1% in 1981.
Under the conditions established for this test program, Vermont Yankee utilized hybrid /open cycle cooling for the last two weeks in May and from mid-September to mid-October. Special biological studies, augmenting the routine NPDES studies, were conducted throughout the five months, May 16 to October 14, when Vermont Yankee's NPDES permit mandates closed cycle con-denser cooling. The results of these special studies have been reported separately (Binkerd et al. 1983). This report, the twelfth in a series, details the studies conducted in 1982 to
Power was generated during 8409 hours of 1982, 96.0% of the time.
During the hours of power generation, the average power level was 98.0%.
Figure 1.1 is a graph of the plant's record of power production in 1982.
Environmental studies of the Connecticut River near Vernon, Vermont, were conducted in 1982 in accordance with a schedule of such studies detailed in Vermont Yankee's NPDES permit.
Addi-tional studies were conducted in 1982 under the study program, approved by the states of Vermont and New Hampshire, for Pro-ject SAVE.
That project has been undertaken to ascertain whether some operation in the period mid-May to mid-October in open or hybrid cycle modes of condenser cooling could be util-ized in order to increase energy production without adversely affecting the Connecticut River ecosystem.
Under the conditions established for this test program, Vermont Yankee utilized hybrid /open cycle cooling for the last two weeks in May and from mid-September to mid-October.
Special biological studies, augmenting the routine NPDES studies, were conducted throughout the five months, May 16 to October 14, when Vermont Yankee's NPDES permit mandates closed cycle con-denser cooling.
The results of these special studies have been reported separately (Binkerd et al. 1983).
This report, the twelfth in a series, details the studies conducted in 1982 to._


POWER LEVEL H STOGRAM
POWER LEVEL H STOGRAM


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conform with the conditions-of Vermont Yankee's NPDES permit.
conform with the conditions-of Vermont Yankee's NPDES permit.
Eight sampling stations in the Connecticut River near Ver-non, Vermont, were used in earlier studies.     The approximate lo-cations of these stations are shown in Figure 1.2. Collections were made at only six of these stations in the 198 2 studies.
Eight sampling stations in the Connecticut River near Ver-non, Vermont, were used in earlier studies.
The approximate lo-cations of these stations are shown in Figure 1.2.
Collections were made at only six of these stations in the 198 2 studies.
The locations of these six in river miles north and south of Vernon Dam are shown below.
The locations of these six in river miles north and south of Vernon Dam are shown below.
Station No.             Location Relative to Vernon Dam 2                           4.70 miles south 3                           0.65 miles south 4                           0.55 miles north 5                           1.25 miles north 7                           4.25 miles north 8                           8.70 miles north
Station No.
Location Relative to Vernon Dam 2
4.70 miles south 3
0.65 miles south 4
0.55 miles north 5
1.25 miles north 7
4.25 miles north 8
8.70 miles north


==SUMMARY==
==SUMMARY==
OF RESULTS Water Quality Studies The maximum Connecticut River discharge of spring run-off occurred in 1982, as is usually the case at Vernon,'in April.
OF RESULTS Water Quality Studies The maximum Connecticut River discharge of spring run-off occurred in 1982, as is usually the case at Vernon,'in April.
Mean discharge for that month was 39,503 cfs, a greater April flow rate than the April average for the previous 17 years.
Mean discharge for that month was 39,503 cfs, a greater April flow rate than the April average for the previous 17 years.
The maximum daily discharge was 70,889 cfs on April 19 and the maximum hourly discharge, 74,695 cfs, occurred on April 18 and
The maximum daily discharge was 70,889 cfs on April 19 and the maximum hourly discharge, 74,695 cfs, occurred on April 18 and 19.
: 19. River flow rates in the other months of 1982 were gener-ally low relative to those observed in the previous 17 years.
River flow rates in the other months of 1982 were gener-ally low relative to those observed in the previous 17 years.
Flows were particularly low in September and October, when the maximum daily discharge was smaller than had occurred in the previous 17 years.
Flows were particularly low in September and October, when the maximum daily discharge was smaller than had occurred in the previous 17 years.
Despite the relatively low river flow rates in September and October, no new record temperatures of the river were ob-served then, either upstream or downstream of Vermont Yankee.
Despite the relatively low river flow rates in September and October, no new record temperatures of the river were ob-served then, either upstream or downstream of Vermont Yankee..


However, in                                         December record hourly temperature maxima, relative to previous                                         years of study, were observed at both Monitor 7, upstream of                                         Vermont Yankee, and at Monitor 3, downstream of the plant.                                         At Monitor 3, a record monthly maximum occurred in November also. The monthly mean temperatures in November and December were also greater than had been recorded in the previous 14 years of temperature data.
However, in December record hourly temperature maxima, relative to previous years of study, were observed at both Monitor 7, upstream of Vermont Yankee, and at Monitor 3, downstream of the plant.
At Monitor 3, a record monthly maximum occurred in November also.
The monthly mean temperatures in November and December were also greater than had been recorded in the previous 14 years of temperature data.
l Vermont Yankee operated in 1982, during the period of open cycle operation allowed under its NPDES permit, within the three thermal criteria imposed upon such operation by the permit.
l Vermont Yankee operated in 1982, during the period of open cycle operation allowed under its NPDES permit, within the three thermal criteria imposed upon such operation by the permit.
These conditions require that Vermont Yankee's discharge not effect a temperature at Monitor 3 greater than 65*F; the maximum hourly mean temperature observed there during NPDES open cycle operation was 58.5 F on October 25.                                                                                                                                                                                               The maximum allowable rate of temperature change between successive hourly average tempera-tures at Monitor 3 is 5*F per hour; the maximum observed was 3.2"F per hour on March 8. The maximum allowable increase in river temperature effected by Vermont Yankee's discharge is 13.4 F; the maximum difference observed between downstream Moni-tor 3 temperature and upstream Monitor 7 temperature was 9.1 F on October 29.
These conditions require that Vermont Yankee's discharge not effect a temperature at Monitor 3 greater than 65*F; the maximum hourly mean temperature observed there during NPDES open cycle operation was 58.5 F on October 25.
The average dissolved oxygen concentrations for the months of April and June at Monitor 7 were greater in 1982 than had been observed in the prior 12 years.                                                                                                                                                                                               The monthly maximum D.O.
The maximum allowable rate of temperature change between successive hourly average tempera-tures at Monitor 3 is 5*F per hour; the maximum observed was 3.2"F per hour on March 8.
at that upstream station was also larger for those two months than in earlier years. At the downstream monitoring station, mean D.O. concentrations for April and June were also greater than in former years. And record maximum D.O. concentrations were observed there in March and April. With one exception, all pH maxima and minima recorded in 1982 were within extremes noted in earlier years.                                                                                                                           The May minimum of 6.8 at Monitor 3 was 0.1 pH unit lower than the previous minimum observed there                                                                                                                                                                                               =
The maximum allowable increase in river temperature effected by Vermont Yankee's discharge is 13.4 F; the maximum difference observed between downstream Moni-tor 3 temperature and upstream Monitor 7 temperature was 9.1 F on October 29.
in May.
The average dissolved oxygen concentrations for the months of April and June at Monitor 7 were greater in 1982 than had been observed in the prior 12 years.
The monthly maximum D.O.
at that upstream station was also larger for those two months than in earlier years.
At the downstream monitoring station, mean D.O. concentrations for April and June were also greater than in former years.
And record maximum D.O.
concentrations were observed there in March and April.
With one exception, all pH maxima and minima recorded in 1982 were within extremes noted in earlier years.
The May minimum of 6.8 at Monitor 3 was 0.1 pH unit lower than the previous minimum observed there
=
in May..


                                                                                                                    )
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i 4
4 Grab samples were collected at Stations 3 and 7 on four dates in 1982 and analyzed for sixteen water quality parameters.
Grab samples were collected at Stations 3 and 7 on four dates in 1982 and analyzed for sixteen water quality parameters.
With two minor exceptions, the concentrations of all parameters were found to be within ranges observed in former years. The total iron concentration in the September sample from Monitor 3 was 0.02 mg/l less than the earlier minimum there and the chlor-ide ion concentration in the March sample at Monitor 7 was 0.5 mg/1 greater than the prior maximum there.
With two minor exceptions, the concentrations of all parameters were found to be within ranges observed in former years.
Biolotrical Studies Diatoms predominated, as in earlier study years, in the net phytoplankton samples collected via the monitor pumps at Stations 3 and 7. Diatoms constituted 50% or more of all the Monitor 7 samples and all the Monitor 3 samples except that of January.     In general, the species composition of the 1982 samples was similar to that of earlier years.
The total iron concentration in the September sample from Monitor 3 was 0.02 mg/l less than the earlier minimum there and the chlor-ide ion concentration in the March sample at Monitor 7 was 0.5 mg/1 greater than the prior maximum there.
Algal concentrations in the net' collections of 1982 were less than the mean concentrations observed in the years 1970-74 in all months but January and February at Station 7 and in all months but July at Station 3. Only the 119 algal units per liter observed at Monitor 7 in January was more than two stand-ard deviations greater than the monthly means of 1970-74.                                               The concentrations of phytoplankters observed in the July sample at Monitor 3 exceeded the mean count of the years 1970-74 by less than two standard deviations. However, this July Monitor 3 count was greater than that predicted by the application of a statistical analysis of the 1970-74 data to the July count ob-served at upstream Station 7 in July.
Biolotrical Studies Diatoms predominated, as in earlier study years, in the net phytoplankton samples collected via the monitor pumps at Stations 3 and 7.
Zooplankton concentrations in the monitor samples of 1982 were generally low. All zooplankton counts in 1982 were less than the mean counts observed for the corresponding month in the years 1970-1974.           All Monitor 3 concentrations in 1982 were within the 95% confidence limits for a concentration pre-dicted from. upstream counts by a statistical analysis of 1970-74 zooplankton data.
Diatoms constituted 50% or more of all the Monitor 7 samples and all the Monitor 3 samples except that of January.
In general, the species composition of the 1982 samples was similar to that of earlier years.
Algal concentrations in the net' collections of 1982 were less than the mean concentrations observed in the years 1970-74 in all months but January and February at Station 7 and in all months but July at Station 3.
Only the 119 algal units per liter observed at Monitor 7 in January was more than two stand-ard deviations greater than the monthly means of 1970-74.
The concentrations of phytoplankters observed in the July sample at Monitor 3 exceeded the mean count of the years 1970-74 by less than two standard deviations.
However, this July Monitor 3 count was greater than that predicted by the application of a statistical analysis of the 1970-74 data to the July count ob-served at upstream Station 7 in July.
Zooplankton concentrations in the monitor samples of 1982 were generally low.
All zooplankton counts in 1982 were less than the mean counts observed for the corresponding month in the years 1970-1974.
All Monitor 3 concentrations in 1982 were within the 95% confidence limits for a concentration pre-dicted from. upstream counts by a statistical analysis of 1970-74 zooplankton data..


Rotifers, as in prior years, were the predominant zooplank-ters in the 1982 samples. They constituted at least 50% of the organisms found in 11 of the 12 Station 3 samples and in 8 of the Station 7 samples. The most commonly occurring rotifer was Philodina sp., which was found in 18 of the 24 monitor samples.
Rotifers, as in prior years, were the predominant zooplank-ters in the 1982 samples.
They constituted at least 50% of the organisms found in 11 of the 12 Station 3 samples and in 8 of the Station 7 samples.
The most commonly occurring rotifer was Philodina sp., which was found in 18 of the 24 monitor samples.
Relatively large percentages of protozoans, particularly Vorti-cella sp., were found in the fall and winter samples.
Relatively large percentages of protozoans, particularly Vorti-cella sp., were found in the fall and winter samples.
A total of 145 taxa were observed in the 1982 benthos collections by Ekman dredge and Henson trap. Fifty-six taxa were found in Station 2 samples, 57 in Station 3 samples, 77 in Station 4 samples, and 85 in samples collected at Station 5.
A total of 145 taxa were observed in the 1982 benthos collections by Ekman dredge and Henson trap.
Of the 120 genera found in the 1982 samples, 73 genera were observed in the ten Henson trap collections and 99 genera were found in the samples collected by Ekman dredge. The number of genera observed in 1982 at Stations 3, 4, and 5 was larger than in earlier years.                                                                                       .The number found in Station 2 samples,'39 genera, was only one less than was found there in 1981. Chiro-nomid larvae were the predominant organisms in 15 of the 19 samples coll 3;ted upstream of Vernon Dam.                                                                                       In the downstream samples, caddis fly larvae were dominant in early summer samples.
Fifty-six taxa were found in Station 2 samples, 57 in Station 3 samples, 77 in Station 4 samples, and 85 in samples collected at Station 5.
Of the 120 genera found in the 1982 samples, 73 genera were observed in the ten Henson trap collections and 99 genera were found in the samples collected by Ekman dredge.
The number of genera observed in 1982 at Stations 3, 4, and 5 was larger than in earlier years.
.The number found in Station 2 samples,'39 genera, was only one less than was found there in 1981.
Chiro-nomid larvae were the predominant organisms in 15 of the 19 samples coll 3;ted upstream of Vernon Dam.
In the downstream samples, caddis fly larvae were dominant in early summer samples.
A variety of forms predominated in late summer and fall--clado-cerans, planarians, and amnicolid snails.
A variety of forms predominated in late summer and fall--clado-cerans, planarians, and amnicolid snails.
Studies of the extent of fish impingement of Vermont Yan-kee's traveling screens were conducted during both open/ hybrid cycle and closed cycle operations in 1982. The mean number of fish impinged per test day during open/ hybrid cycle operation was 25; the mean weight per test day was 192 grams.                                                                                       The great-est impingement rate was observed in September, 102 fish and 29 5 grams per test day. The average number of fish impinged per closed cycle test day in 1982 was 0.2 fish, the average weight per closed cycle test day was 3.8 grams (0.13 ounces).                                                                                         i More than 8,000 fiah, weighing approximately 2 tons, were captured in 1982 in 35;                                                                                       ollections made by trap net, gill net, seine haul, and electrofishing. Twenty-six species were
Studies of the extent of fish impingement of Vermont Yan-kee's traveling screens were conducted during both open/ hybrid cycle and closed cycle operations in 1982.
The mean number of fish impinged per test day during open/ hybrid cycle operation was 25; the mean weight per test day was 192 grams.
The great-est impingement rate was observed in September, 102 fish and 29 5 grams per test day.
The average number of fish impinged per closed cycle test day in 1982 was 0.2 fish, the average weight per closed cycle test day was 3.8 grams (0.13 ounces).
i More than 8,000 fiah, weighing approximately 2 tons, were captured in 1982 in 35; ollections made by trap net, gill net, seine haul, and electrofishing.
Twenty-six species were _ - _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ - - _ - _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _


collected at all locations. Twenty-two species were identified in the collections upstream of Vernon Dam; twenty-one in the collections south of Vernon Dam. All species observed in 1982 have been collected in the studies of prior years. Blueback herring and American shad, first observed in 1981, were captured in 1982 also. These species were introduced into the Vernon reach of the Connecticut River in releases of shad conducted in the program of anadromous fish restoration to the river. One specimen of Atlantic salmon was taken in a trap net south of Vernon Dam in May, and two salmon were observed to have been impinged, in May also, on Vermont Yankee's circulating water traveling screens.
collected at all locations.
Comparison of the species composition by number and weight, reduced to a percentage basis, of the fish populations collected in 1982 with such percentages of earlier surveys shows that only the percentage in 1982 of yellow perch by number is outside the extremes observed in prior years. Yellow perch constituted 22.5% by number of the fishes captured in 1982. The previous maximum for this species was 17.6% in 1981.
Twenty-two species were identified in the collections upstream of Vernon Dam; twenty-one in the collections south of Vernon Dam.
The age-growth data of 1982 for white perch and yellow perch collected north of Vernon Dam are not significantly different from that of the years 1969-73. However, the data for these species collected south of the dam, and for walleye and small-mouth bass, both north and south of the dam, appear to indicate an increased growth rate relative to the 1969-73 data.
All species observed in 1982 have been collected in the studies of prior years.
The possibility that Vermont Yankee's discharge of warm condenser cooling water to the river may have contributed to y an apparent change in growth rate of some fish species will be investigated further in 1983. No significantly adverse impact of this discharge on the river's ecosystem was discerned by the 1982 ecological studies.
Blueback herring and American shad, first observed in 1981, were captured in 1982 also.
These species were introduced into the Vernon reach of the Connecticut River in releases of shad conducted in the program of anadromous fish restoration to the river.
One specimen of Atlantic salmon was taken in a trap net south of Vernon Dam in May, and two salmon were observed to have been impinged, in May also, on Vermont Yankee's circulating water traveling screens.
Comparison of the species composition by number and weight, reduced to a percentage basis, of the fish populations collected in 1982 with such percentages of earlier surveys shows that only the percentage in 1982 of yellow perch by number is outside the extremes observed in prior years.
Yellow perch constituted 22.5% by number of the fishes captured in 1982.
The previous maximum for this species was 17.6% in 1981.
The age-growth data of 1982 for white perch and yellow perch collected north of Vernon Dam are not significantly different from that of the years 1969-73.
However, the data for these species collected south of the dam, and for walleye and small-mouth bass, both north and south of the dam, appear to indicate an increased growth rate relative to the 1969-73 data.
The possibility that Vermont Yankee's discharge of warm condenser cooling water to the river may have contributed to y
an apparent change in growth rate of some fish species will be investigated further in 1983.
No significantly adverse impact of this discharge on the river's ecosystem was discerned by the 1982 ecological studies.,


N G
N G
SECTION 2 CONNECTICUT RIVER DISCHARGE I
SECTION 2 CONNECTICUT RIVER DISCHARGE I
l
l
: 2. CONNECTICUT RIVER. DISCHARGE Connecticut River discharge in 1982 at Vernon, Vermont, computed from the records of the Vernon Hydroelectric Station at Vernon Dam, is summarized in Figure 2.1. The mean flow rate, the maximum daily average flow rate, and the minimum daily average flow rate are plotted for each month of the year. These data are also shown in Tables 2.1 and 2.2,-along with summary data for the years 1965-81, years for which data have been reported in previous volumes of this series of reports.
 
Annual maximum discharge rate in 1982 occurred, as is usually the case'at Vernon, in April. Mean discharge for that month was 39,503 cfs, a flow rate more than one standard deviation greater than the average April discharge recorded in the previous 17. years, 29,200 cfs (Table 2.2).- The maximum mean daily-discharge in 1982 was 70,889 cfs on April 19 and the maximum hourly discharge,     .
2.
74,695 cfs, was observed from 2200 on April 18 to 0400 on April 19.
CONNECTICUT RIVER. DISCHARGE Connecticut River discharge in 1982 at Vernon, Vermont, computed from the records of the Vernon Hydroelectric Station at Vernon Dam, is summarized in Figure 2.1.
The mean flow rate, the maximum daily average flow rate, and the minimum daily average flow rate are plotted for each month of the year.
These data are also shown in Tables 2.1 and 2.2,-along with summary data for the years 1965-81, years for which data have been reported in previous volumes of this series of reports.
Annual maximum discharge rate in 1982 occurred, as is usually the case'at Vernon, in April.
Mean discharge for that month was 39,503 cfs, a flow rate more than one standard deviation greater than the average April discharge recorded in the previous 17. years, 29,200 cfs (Table 2.2).-
The maximum mean daily-discharge in 1982 was 70,889 cfs on April 19 and the maximum hourly discharge, 74,695 cfs, was observed from 2200 on April 18 to 0400 on April 19.
Mean discharge for all months in 1982 was within the extremes observed for the corresponding month in the prior 17 years, but the 1982 means were lower in all months except April, as noted above, and June than the 1965-81 means for each of the months (Table 2.2).
Mean discharge for all months in 1982 was within the extremes observed for the corresponding month in the prior 17 years, but the 1982 means were lower in all months except April, as noted above, and June than the 1965-81 means for each of the months (Table 2.2).
The minimum daily average discharge observed in each month of 1982 was within extremes that had occurred in the previous 17 1 years. But the maximum daily flow rate in two months, September and October, was smaller than had been observed in those months in the years 1965-81 (Table 2.1).
The minimum daily average discharge observed in each month of 1982 was within extremes that had occurred in the previous 17 1
years.
But the maximum daily flow rate in two months, September and October, was smaller than had been observed in those months in the years 1965-81 (Table 2.1)....-


CONNECTICUT RIVER DISCHARGE eo -
CONNECTICUT RIVER DISCHARGE eo -
VERNON, VERMONT 1982 70 -
VERNON, VERMONT 1982 70 -
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1   2         3               4           5     6       7         8             9   10       11 MONTHS M O NTHLY MAXIMUM . --
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MONTHLY AVER AGE M O N THLY MINIMUM   ----_d l                                                       FIGURE 2.1
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MONTHLY AVER AGE M O N THLY MINIMUM
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FIGURE 2.1 _


1 l
TABLE 2.1
l TABLE 2.1                                     )
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CONNECTICUT RIVER DISCHARGE                               ,
CONNECTICUT RIVER DISCHARGE VERNON, VERMONT
VERNON, VERMONT                                   l


==SUMMARY==
==SUMMARY==
OF DAILY MEANS 1965-1982 MAXIMA (cfs)                             MINIMA (cfs)
OF DAILY MEANS 1965-1982 MAXIMA (cfs)
MONTH 1965-81 EXTREMES (YEAR)       1982       1965-81 EXTREMES (YEAR)   1982 JAN 40,567(1973)-5,500(1971)     9,749       7,729(1973)-200(1967)     2,207 FEB 63,883(1981)-5,481(1980) 12,393         10,123(1976)-550(1967)     4,330 MAR 79,300(1968)-14,000(1971)27,364         12,726(1976)-215(1967)     6,243 APR 81,853(1976)-29,685(1981) 70,889         22,771(1974)-7,348(1980) 16,339 MAY 75,900(1972)-16,341(1977) 36,993         16,000(1967)-1,362(1980)   2,204 JUN 39,075(1973)-9,410(1971) 19,631           8,150(1973)-186(1966)     3,419 JUL 80,217(1973)-4,532(1980) 16,514           3,454(1973)-174(1966)     1 ,331 AUG 38,390(1976)-4,190(1970)     7,013       3,916(1976)-125(1966)     1,340 SEP 25,718(1975)-4,713(1978)     4,697       3,504(1974)-125(1966)     1 ,345 0CT 60,665(1975)-5,990(1968)     5,308       6,432(1977)-200(1966-68) 1,337 NOV 40,700(1969)-5,930(1971) 10,985           7,835(1977)-128(1965)     3,144 DEC 70,550(1973)-6,128(1978)     9,737       8,608(1973)-240(1967)     1,378 TABLE 2.2 CONNECTICUT RIVER DISCHARGE VERNON, VERMONT
MINIMA (cfs)
MONTH 1965-81 EXTREMES (YEAR) 1982 1965-81 EXTREMES (YEAR) 1982 JAN 40,567(1973)-5,500(1971) 9,749 7,729(1973)-200(1967) 2,207 FEB 63,883(1981)-5,481(1980) 12,393 10,123(1976)-550(1967) 4,330 MAR 79,300(1968)-14,000(1971)27,364 12,726(1976)-215(1967) 6,243 APR 81,853(1976)-29,685(1981) 70,889 22,771(1974)-7,348(1980) 16,339 MAY 75,900(1972)-16,341(1977) 36,993 16,000(1967)-1,362(1980) 2,204 JUN 39,075(1973)-9,410(1971) 19,631 8,150(1973)-186(1966) 3,419 JUL 80,217(1973)-4,532(1980) 16,514 3,454(1973)-174(1966) 1,331 AUG 38,390(1976)-4,190(1970) 7,013 3,916(1976)-125(1966) 1,340 SEP 25,718(1975)-4,713(1978) 4,697 3,504(1974)-125(1966) 1,345 0CT 60,665(1975)-5,990(1968) 5,308 6,432(1977)-200(1966-68) 1,337 NOV 40,700(1969)-5,930(1971) 10,985 7,835(1977)-128(1965) 3,144 DEC 70,550(1973)-6,128(1978) 9,737 8,608(1973)-240(1967) 1,378 TABLE 2.2 CONNECTICUT RIVER DISCHARGE VERNON, VERMONT


==SUMMARY==
==SUMMARY==
OF MONTHLY MEANS 1965-1982 MONTH 1965-81 EXTREMES (YEAR)             1965-81 MEANS(STND. DEV.)     1982 JAN   17,532(1973)-2,750(1981)                     7,299(4,414)           6,622 FEB   23,999(1981)-2,865(1980)                     8,565(6,147)           8,354 MAR   33,588(1979)-5,086(1967)                   15,580(8,974)         11,768 APR   51,213(1969)-16,300(1965)                   29,200(8,727)         39,503 MAY   42,540(1972)-8,425(1977)                   19,900(9,162)         14,339 i JUN   15,533(1973)-4,421(1980)                     8,288(3,304)           8,582 JUL   21,832(1973)-1,800(1965)                     5,331(4,794)           4,468 AUG   13,612(1976)-1,759(1970)                     4,499(2,999)           2,836 SEP   7,495(1981)-1,846(1978)                     4,351(1,953)           2,471 OCT   19,386(1977)-2,388(1968)                     7,714(5,354)           2,702 NOV   17,710(1969)-3,138(1971)                     9,228(4,243)           6,860 DEC   23,774(1973)-2,990(1978)                     9,249(4,884)           6,586 l
OF MONTHLY MEANS 1965-1982 MONTH 1965-81 EXTREMES (YEAR) 1965-81 MEANS(STND. DEV.)
1982 JAN 17,532(1973)-2,750(1981) 7,299(4,414) 6,622 FEB 23,999(1981)-2,865(1980) 8,565(6,147) 8,354 MAR 33,588(1979)-5,086(1967) 15,580(8,974) 11,768 APR 51,213(1969)-16,300(1965) 29,200(8,727) 39,503 MAY 42,540(1972)-8,425(1977) 19,900(9,162) 14,339 i
JUN 15,533(1973)-4,421(1980) 8,288(3,304) 8,582 JUL 21,832(1973)-1,800(1965) 5,331(4,794) 4,468 AUG 13,612(1976)-1,759(1970) 4,499(2,999) 2,836 SEP 7,495(1981)-1,846(1978) 4,351(1,953) 2,471 OCT 19,386(1977)-2,388(1968) 7,714(5,354) 2,702 NOV 17,710(1969)-3,138(1971) 9,228(4,243) 6,860 DEC 23,774(1973)-2,990(1978) 9,249(4,884) 6,586 l
t These relatively low flow rates of the late summer and. fall.
t These relatively low flow rates of the late summer and. fall.
of 1982 are evident, also, in the number of hours during which-the Vernon Station passed a minimum. flow rate of 1,250 cfs to comply with a condition of its opera ~ ting license.                                                   A summary by month of the occurrence of minimum flow at Vernon in 1982 is shown in Table 2.3.
of 1982 are evident, also, in the number of hours during which-the Vernon Station passed a minimum. flow rate of 1,250 cfs to comply with a condition of its opera ~ ting license.
For'the year, 248~ periods of minimum flow occurred on 234 days.                 Minimum flow was passed during 2,899 hours, 33.1% of the time.- More than 50% of these hours of minimum flow in 1982 occurred in the months August, September,.and October when a minimum discharge occurred during 1,496 hours, 67.8% of the time.
A summary by month of the occurrence of minimum flow at Vernon in 1982 is shown in Table 2.3.
For'the year, 248~ periods of minimum flow occurred on 234 days.
Minimum flow was passed during 2,899 hours, 33.1% of the time.- More than 50% of these hours of minimum flow in 1982 occurred in the months August, September,.and October when a minimum discharge occurred during 1,496 hours, 67.8% of the time.
By contrast, in 1981 minimum flow was passed only 28.5% of the hours in these three months.
By contrast, in 1981 minimum flow was passed only 28.5% of the hours in these three months.
The duration of the minimum flow periods ranged from one hour to 94 hours; the average duration was 11.7 hours.                                                       By compari-son, the longest period of minimum flow was 47 hours in 1981,.
The duration of the minimum flow periods ranged from one hour to 94 hours; the average duration was 11.7 hours.
62 hours in 1980, and 65 hours in 1979. In September 1978, however, a minimum discharge occurred for 179 hours, more than 1 week.- Mean flow in September 1982 was greater than the mean discharge of September 1978 (Table 2.2) ; but, as noted above, the maximum daily September discharge in 1982 was less than that observed in 1978 (Table 2.1).
By compari-son, the longest period of minimum flow was 47 hours in 1981,.
62 hours in 1980, and 65 hours in 1979.
In September 1978, however, a minimum discharge occurred for 179 hours, more than 1 week.- Mean flow in September 1982 was greater than the mean discharge of September 1978 (Table 2.2) ; but, as noted above, the maximum daily September discharge in 1982 was less than that observed in 1978 (Table 2.1).
1 1
1 1
1
1 __--_


TABLE 2.3 OCCURRENCE OF CONNECTICUT RIVER MINIMUM FLOW VERNON, VERMONT 1982 LONGEST MONTH NO. HOURS     % OF HOURS     NO. DAYS   NO. PERIODS   DURATION (HRS)
TABLE 2.3 OCCURRENCE OF CONNECTICUT RIVER MINIMUM FLOW VERNON, VERMONT 1982 LONGEST MONTH NO. HOURS
JAN     236         31.7           25           29           20 FEB     108         16.1           15           21             11 MAR       77         10.3-           11           12             9 APR       0             0           0             0             0 MAY-     ~69         9.3-           8           10           22 JUN-     122         16.9           16           16,
% OF HOURS NO. DAYS NO. PERIODS DURATION (HRS)
* 17 JUL     410           55.1           26           24'           94 AUG     481           64.7           31           31             71 SEP     480           66.7           30           25             92 OCT     535           71.9           31           33             85 NOV     202           28.1           23           28             13 DEC     179           24.1           18           19             34
JAN 236 31.7 25 29 20 FEB 108 16.1 15 21 11 MAR 77 10.3-11 12 9
APR 0
0 0
0 0
MAY-
~69 9.3-8 10 22 JUN-122 16.9 16 16, 17 JUL 410 55.1 26 24' 94 AUG 481 64.7 31 31 71 SEP 480 66.7 30 25 92 OCT 535 71.9 31 33 85 NOV 202 28.1 23 28 13 DEC 179 24.1 18 19 34
)
)
(
(
Line 200: Line 333:
l SECTION 3 RIVER TEMPERATURE
l SECTION 3 RIVER TEMPERATURE
)
)
: 3. RIVER TEMPERATURE Temperatures. of Connecticut River water are measured continu-ously by temperature monitoring systems, installed in buildings on the Vermont shore of the river at Sample Station 7, upstream of Vermont Yankee, and at Station 3, downstream of the plant.
 
3.
RIVER TEMPERATURE Temperatures. of Connecticut River water are measured continu-ously by temperature monitoring systems, installed in buildings on the Vermont shore of the river at Sample Station 7, upstream of Vermont Yankee, and at Station 3, downstream of the plant.
The temperature data of 1982, reduced to hourly, daily, and monthly means, are shown in Tables 3.1 for Station 3, and in 3.2, for Station 7, at the end of this section of the report.
The temperature data of 1982, reduced to hourly, daily, and monthly means, are shown in Tables 3.1 for Station 3, and in 3.2, for Station 7, at the end of this section of the report.
These data are summarized graphically in Figures 3.1 and 3.2.
These data are summarized graphically in Figures 3.1 and 3.2.
  -The maxima and minima in those figures are hourly means.
-The maxima and minima in those figures are hourly means.
Temperature data have been collected continuously since 1968 at Station 3 and since 1970'at Station 7. Figures 3.1 and 3.2 also show, in shaded areas, the maximum and minimum hourly mean temperature that has been observed for that month in any of the previous years of study. The shaded area is divided by a line that connects the points of mean monthly temperatures computed from the data of all previous years for that month.
Temperature data have been collected continuously since 1968 at Station 3 and since 1970'at Station 7.
Monthly mean temperatures observed at the downstream location, Station 3, were greater in January through March, May, and October through December than the 14 year mean for those months in the years 1968-1981. The November and December means exceeded the highest mean that had been observed in any one of the previous g 14 years. The November 1982 mean was 48.8'F; the prior record mean for that month was 48.7 F, in 1978. The highest December mean of the years 1968-1981, 38.2 F, was also observed in 1978; the 1982 mean for December was 38.4*F.
Figures 3.1 and 3.2 also show, in shaded areas, the maximum and minimum hourly mean temperature that has been observed for that month in any of the previous years of study.
TEMPERATURE
The shaded area is divided by a line that connects the points of mean monthly temperatures computed from the data of all previous years for that month.
Monthly mean temperatures observed at the downstream location, Station 3, were greater in January through March, May, and October through December than the 14 year mean for those months in the years 1968-1981.
The November and December means exceeded the highest mean that had been observed in any one of the previous g
14 years.
The November 1982 mean was 48.8'F; the prior record mean for that month was 48.7 F, in 1978.
The highest December mean of the years 1968-1981, 38.2 F, was also observed in 1978; the 1982 mean for December was 38.4*F.
TEMPERATURE STATION NO. 3
~
~
STATION NO. 3
*r ac 1982 90
                      *r           ac                                                                                   1982 90     -
- 30 80 -
.                                - 30 80 -                                                                                                     *%
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                                                                                                  /j 32      - -0     '#""                                ~ ~ ~ ~~~" ~ ~ ~ ~ '
/
Q I                           2                 3         4           5         6       7         8         ?           10           11           12 SHADED AREA Maximo,means,and minimo, 1968-1981                                                                 MONTHLY MAXIMUM         -----
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See text.
W
MONTHLY AVERAGE MONTHW MINIMUM           - - - - - -
/
FIGURE 3.1
r 40
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-0
~ ~ ~ ~~~" ~ ~ ~ ~
32 I
2 3
4 5
6 7
8
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10 11 12 SHADED AREA Maximo,means,and minimo, 1968-1981 MONTHLY MAXIMUM See text.
MONTHLY AVERAGE MONTHW MINIMUM FIGURE 3.1


TEMPERATURE STATION NO. 7 ar               ac                                                                               1982 90 -
TEMPERATURE STATION NO. 7 1982 ar ac 90
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- 30
M       -    +..
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80 -
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                                          -/[/./
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                                                                                                                                                                        +          ,
iii[h 40 m
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I I             2               3         4                   5           6       7           8             9                 10                       11                       12 SHADED AREA Maxima,means,and minimo, 1970-1981                                                               MONTHLY MAXIMUM -----
32
-0
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10 11 12 SHADED AREA Maxima,means,and minimo, 1970-1981 MONTHLY MAXIMUM -----
See text
See text
* MONTHLY AVERAGE MONTHLY MINIMUM FIGURE 3.2
* MONTHLY AVERAGE MONTHLY MINIMUM FIGURE 3.2


The maximum hourly means observed in November and December were greater also than the hourly maxima previously observed then.
The maximum hourly means observed in November and December were greater also than the hourly maxima previously observed then.
The November maximum of 58.2*F exceeded that of 57.5'F in 1971 and the December maximum of 46.8*F was higher than the prior record ~for that month, 44.5'F in 1978. No record hourly minima were observed at Station 3 in 1982.
The November maximum of 58.2*F exceeded that of 57.5'F in 1971 and the December maximum of 46.8*F was higher than the prior record ~for that month, 44.5'F in 1978.
At the upstream monitor location, Station 7, monthly mean temperatures were higher than the 12 year means of the years 1970-1981 in May and October through December. The March and June ~means were lower than the monthly mean in any prior year of record. The March 1982 mean was 32.2'F; the previous low monthly mean was 32.6'F in 1971. The June 1982 mean of 63.8*F was lower than the earlier record, 64.l*F in 1972.
No record hourly minima were observed at Station 3 in 1982.
Two record hourly mean temperatures were observed at Station 7 in 1982. The 32.0'F minimum in April was lower than the prior record of 33.0*F, observed in 1978. The 42.4*F December 1982 maximum exceeded the highest hourly mean temperature previously observed at Station 7, 41.7*F in 1979.
At the upstream monitor location, Station 7, monthly mean temperatures were higher than the 12 year means of the years 1970-1981 in May and October through December.
The March and June ~means were lower than the monthly mean in any prior year of record.
The March 1982 mean was 32.2'F; the previous low monthly mean was 32.6'F in 1971.
The June 1982 mean of 63.8*F was lower than the earlier record, 64.l*F in 1972.
Two record hourly mean temperatures were observed at Station 7 in 1982.
The 32.0'F minimum in April was lower than the prior record of 33.0*F, observed in 1978.
The 42.4*F December 1982 maximum exceeded the highest hourly mean temperature previously observed at Station 7, 41.7*F in 1979.
In 1982, Vermont Yankee operated under the conditions of its NPDES permit in the open cycle modes of condenser cooling from January l'through May 15 and October 16 through December 31.
In 1982, Vermont Yankee operated under the conditions of its NPDES permit in the open cycle modes of condenser cooling from January l'through May 15 and October 16 through December 31.
Operation in this mode is permitted in the period October 15 through May 15 under thermal effluent limitations set forth in the permit. These criteria, which define the maximum allowable impact on the Connecticut River of Vermont Yankee's discharge of heated condenser cooling water, are as follow:
Operation in this mode is permitted in the period October 15 through May 15 under thermal effluent limitations set forth in the permit.
A.                         The temperature at Monitor 3 during open cycle                                                                                         '
These criteria, which define the maximum allowable impact on the Connecticut River of Vermont Yankee's discharge of heated condenser cooling water, are as follow:
operation shall not exceed 65*F-l B.                       The rate of change of temperature at Monitor 3 shall not exceed 5 F per hour; and C.                       The increase in temperature above ambient at                                                                                             l Monitor 3 shall not exceed 13.4*F.
A.
The temperature at Monitor 3 during open cycle operation shall not exceed 65*F-l B.
The rate of change of temperature at Monitor 3 shall not exceed 5 F per hour; and C.
The increase in temperature above ambient at l
Monitor 3 shall not exceed 13.4*F..


4 The temperature records at Station 7 and 3 show that these thermal limitations were not exceeded in 1982.                                               The maximum hourly average temperature observed at Monitor.3 in the period January 1 to May.15 and October 16'to' December 31 was.58.5'F on October 25.                           The maximum rate of. change of temperature'at Monitor 3, the difference between successive hourly average temperatures there, was +3.2*F/ hour, on March 8. The-largest rate of temperature decrease was -2.9'F/ hour, on December 13. Tabulations of the hourly rates of change in Monitor 3 temperatures during the periods of NPDES open cycle operation are given in Table 3.3.
4 The temperature records at Station 7 and 3 show that these thermal limitations were not exceeded in 1982.
These' data.are summarized as a frequency distribution in Table l   3.4. The mode, the median, and the mean of these data were all
The maximum hourly average temperature observed at Monitor.3 in the period January 1 to May.15 and October 16'to' December 31 was.58.5'F on October 25.
,  0.0*F.
The maximum rate of. change of temperature'at Monitor 3, the difference between successive hourly average temperatures there, was +3.2*F/ hour, on March 8.
The-largest rate of temperature decrease was -2.9'F/ hour, on December 13.
Tabulations of the hourly rates of change in Monitor 3 temperatures during the periods of NPDES open cycle operation are given in Table 3.3.
These' data.are summarized as a frequency distribution in Table l
3.4.
The mode, the median, and the mean of these data were all 0.0*F.
No direct measure of ambient temperature at Monitor 3 can be
No direct measure of ambient temperature at Monitor 3 can be
  - made at times when Vermont Yankee is discharging heated cooling water into the river upstream of the monitoring _ station.                                               But
- made at times when Vermont Yankee is discharging heated cooling water into the river upstream of the monitoring _ station.
  ! calculations of temperature differences between Monitor 3, down-stream of-Vermont Yankee, and Monitor 7, upstream of the plant, give an indication of the impact of Vermont Yankee's discharge of Connecticut River temperature. Tabulations of these differences for the period of Vermont Yankee's open cycle operation under NPDES
But
                                                                                                    ~
! calculations of temperature differences between Monitor 3, down-stream of-Vermont Yankee, and Monitor 7, upstream of the plant, give an indication of the impact of Vermont Yankee's discharge of Connecticut River temperature.
strictures in 1982 are shown in Table 3.5. These data are reduced to a frequency distribution of temperature differences in Table 3.6.                   The largest temperature difference in the 1982 data was +9.l'F at 1900 on October 29.                                     The mode and median of these 4
Tabulations of these differences for the period of Vermont Yankee's open cycle operation under NPDES strictures in 1982 are shown in Table 3.5.
data were each +1.9'F and the mean difference in temperature
These data are
. between Station 3 and Station 7 was +2.4*F.
~
reduced to a frequency distribution of temperature differences in Table 3.6.
The largest temperature difference in the 1982 data was +9.l'F at 1900 on October 29.
The mode and median of these 4
data were each +1.9'F and the mean difference in temperature between Station 3 and Station 7 was +2.4*F.
e r
e r
1 4
1 4 1
.-l--
. - - - - -.. -..,, -. ~ - - -.
-----.-,---,.v n.
---,,,n,
 
TABLE 3.4 Frequency Distribution of Rate of Change of Temperature at Monitor 3 1982 Rate'of Tem rature JAN FEB MAR APR 1-15 16-31 NOV DEC TOTALS e
MAY OCT
-2.9 1
1
-2.8
-2.7 j.6
-2.4
-2.3
-2,2
-2.1 1
1
-2.0 1
1
-1.9 1
1 2
-1.8 1
1 1
3
-1.7 2
1 2
1 3
9
-1.6 6
4 3
1 14
-1.5 5
2 5
2 1
15
-1.4 5
5 1
2 13
-1.3 9
5 1
1 3
19
-1.2 10 4
2 1
4 21
-1,1 8
3 5
8 2
26
-1.0 5
4 8
2 5
2W
-0.9 8
5 5
9 6
33
-0.8 6
4 4
1 8
4 27
-0.7 6
10 2
1 5
5 29
-0.6 7
7 2
3 5
11 35
-0.5 9
9 5
1 1
1 15 14 55
-0.4 11 12 8
5 7
18 9
70
-0.3 18 18 12 10 3-14 27 24 126
-0.2 38 29 31 41 12 44 66 42 303
-0.1 119 119 141 137 70 85 137 136 944 0.0 22 L_l05_ 316 267 l _25 106 163 200 1606 0.1 74 08 98-'~ ~150-73 -
55 ~104 720 0.2 25 34 30 76 50 30 46 41 332 0.3 23 20 18 25 11 17 25 31 170 0.4 17 11 5
5 4
15 22 24 103 0.5 11 6
7 5
19 15 63 0.6 6
6 6
2 7
16 43 0.7 9
7 3
1 1
7 9
37 0.8 5
5 5
7 11 33 0.9 5
2 1
3 7
18 10 6
2 1
3 2
14 ID.
1 2
1 i
3 4
11 1.2 8
1 2
3 1
15 1.3 4
1 2
1 8
1.4 5
1 2
1 9
1.5 2
1 1
1 5
1.6 1
1 1.7 1
1 1.8 1
2 1
1 5
1.9 4
2 1
7 2.0 1
1
1
    .-l--    . - - - - - . . - . . , , - . ~ - - - .
(
                                                      -- . , _        -----.-,---,.v  -
2.1 J
: n.  ---,,,n, ,  ,-. - . - - , . . . . , -
2.2 2
 
2 4
TABLE 3.4 Frequency Distribution of Rate of Change of Temperature at Monitor 3 1982 Rate'of Tem rature                JAN                                                          FEB                  MAR    APR    1-15 16-31    NOV        DEC TOTALS e                                                                                                          MAY  OCT
l 2.3 1
            -2.9                                                                                                                                                1    1
1 2
            -2.8
            -2.7 j.6                                                                                                                                    ____    __
            -2.4
            -2.3
            -2,2
            -2.1                                                                                                                                                1    1
            -2.0                                1                                                                                                                      1
            -1.9                                                                                                                                        1        1    2
            -1.8                                1                                                            1                                                  1    3
            -1.7                              2                                                            1        2                                1        3    9
            -1.6                              6                                                          4          3                                        1    14      -
            -1.5                              5                                                            2        5                                2        1    15
            -1.4                              5                                                            5          1                                        2    13
            -1.3                              9                                                            5          1                                1        3    19
            -1.2                      10                                                                    4          2                                1        4    21
            -1,1                              8                                                            3        5                                8        2    26
            -1.0                                5                                                          4          8                                2        5    2W
            -0.9                                8                                                            5        5                                9        6    33
            -0.8                                6                                                          4          4              1                8        4    27
            -0.7                                6                                                  10                  2       1                        5        5    29
            -0.6                                7                                                            7        2                     3          5      11    35
            -0.5                                9                                                            9        5      1      1    1      15        14    55
            -0.4                       11                                                          12                8      5            7      18          9    70
            -0.3                      18                                                          18                12      10      3- 14        27        24  126
            -0.2                      38                                                          29                31      41      12    44      66        42  303
            -0.1            119                                                        119                        141    137      70    85    137        136  944 0.0            22 L_l05_                                                                              316    267 l _25    106    163        200  1606 0.1                      74                                                          08                98-'~ ~150 55        ~104            720 0.2                      25                                                          34                30      76      50    30      46        41  332 0.3                      23                                                          20                18      25      11    17      25        31  170 0.4                      17                                                          11                5      5      4    15      22        24  103 0.5                      11                                                                    6        7                    5      19        15    63 0.6                                6                                                            6        6                    2          7      16    43 0.7                                9                                                            7        3      1      1                7        9    37 0.8                                5                                                            5        5                                7      11    33 0.9                                5                                                            2                        1                3        7    18 10                                  6                                                            2        1                                3        2   14 ID.                                 1                                                          2        1                        i      3       4    11 1.2                                8                                                            1      2                                3        1    15 1.3                                4                                                              1      2                                        1    8 1.4                                                                                              5        1                                2        1    9 1.5                                2                                                            1      1                                1              5 1.6                                  1                                                                                                                    1 1.7                                  1                                                                                                                    1 1.8                                1                                                            2        1                              1              5 1.9                                4                                                              2        1                                              7 2.0                                  1                                                                                                                    1        (
2.1                                                                                                                                                                J 2.2                                2                                                                    2                                              4        l 2.3                                  1                                                            1                                                     2
{
{
2.4                                 4                                                             1       1                                       1     7 2.5                                                                                               1     2                                               3 2.6                                                                                             2       1                                             3       .
2.4 4
2.7                                                                                                       1                                             1       l 2.8 3                                                             2                                                       5 2.9                                 1                                                                                                                   1 30 1                                   1                                                          2       1                                             4 3.1                                 1                                                                                             l                     1 3.2                                                             i                                       1                                 l             1 i
1 1
1 7
2.5 1
2 3
2.6 2
1 3
2.7 1
1 l
2.8 3
2 5
2.9 1
1 30 1
2 1
4 13.1 1
l 1
3.2 i
1 l
1
. i


TABLE 3.6 Frequency Distribution of Differences in Hourly Mean Temperatures Between Monitor 3 and Monitor 7 1982 Hourly Mean       JAN       FEB     MAR     APR   1-15 16-31   NOV   DEC Totals 4T(*F)                                         MAY   OCT
TABLE 3.6 Frequency Distribution of Differences in Hourly Mean Temperatures Between Monitor 3 and Monitor 7 1982 Hourly Mean JAN FEB MAR APR 1-15 16-31 NOV DEC Totals 4T(*F)
    -0.5 - -0.1                           7   26                               33 0.0         2               11     13     1                         27 0.1 - 0.5     50                 10     136     46   16                 258 0.6 -   1.0   14                 64   312     141   14     10     7   562 1.1 - 1.5     38       11     65     208     116     5   25   85   553 1.6 -   2.0 310       342     313       24     47     7   121   213   1377 2.1 - 2.5   110       136     159               2   16   124   173   720 2.6 -   3.0   43         59     35                   34     97   80   348 3.1 - 3.5     16         35     12                   31     79   41   214 3.6 - 4.0     16         15     13                   22     63   31   160 4.1 - 4.5     17         11       5                 20     32   26   111 4.6 - 5.0     12         13       6                 18     33   14     96 5.1     5.5' 15         13     12                   22     31   18   111 5.6 - 6.0     31         10     20                   26     25   13   125 6.1 - 6.5     24         5     11                   26     26     8   100 6.6 -   7.0     8         4       1                 19     15     7     54.
MAY OCT
!  7.1 . 7.5       4                                     27     15   10 1                                                57 7.6 - 8.0       2                                     32             2     36 l
-0.5 - -0.1 7
l  8.1 - 8.5                                             30       1     6     37 8.6 - 9.0                                             18           10     28 l
26 33 0.0 2
9.1 -   9.5                                             1                   1 1                                               I
11 13 1
27 0.1 - 0.5 50 10 136 46 16 258 0.6 -
1.0 14 64 312 141 14 10 7
562 1.1 - 1.5 38 11 65 208 116 5
25 85 553 1.6 -
2.0 310 342 313 24 47 7
121 213 1377 2.1 - 2.5 110 136 159 2
16 124 173 720 2.6 -
3.0 43 59 35 34 97 80 348 3.1 - 3.5 16 35 12 31 79 41 214 3.6 - 4.0 16 15 13 22 63 31 160 4.1 - 4.5 17 11 5
20 32 26 111 4.6 - 5.0 12 13 6
18 33 14 96 5.1 5.5' 15 13 12 22 31 18 111 5.6 - 6.0 31 10 20 26 25 13 125 6.1 - 6.5 24 5
11 26 26 8
100 6.6 -
7.0 8
4 1
19 15 7
54.
7.1. 7.5 4
1 27 15 10 57 7.6 - 8.0 2
32 l
2 36 l
8.1 - 8.5 30 1
6 37 8.6 - 9.0 18 10 28 l
9.1 -
9.5 1
1 1 I


TABLE 3.1-1 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION N0. 3 JANUARY 1982 DAILY DAY                                                                                                         HOUR                                                     4FERACE I         2   3     4                   5                                     6 7 8 9 10   11   12     13   14   15   16 17 18 19 20   21   22   23   24 1
TABLE 3.1-1 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION N0. 3 JANUARY 1982 DAILY DAY HOUR 4FERACE I
33.6 33.7 33.9 34.6 35.2 36.0 37.9 38.1 38.4 38.7 39.0 39.3 39.9 38.7 37.4 36.0 34.8 34.3 34.1 34.0 34.0 33.9 34.0 34.0                                           36.0 2
2 3
33.8 33.5 33.6 34.0 34.7 35.5 37.1 38.1 39.0 38.2 36.8 35.5 34.8 34.5 34.3 34.2 34.0 34.0 34.2 34.2 34.2 34.3 34.1 34.0                                           35.0 3
4 5
34.0 34.0 36.4 37.7 37.8 37.8 37.9 38.1 38.1 38.2 38.3 39.3 39.0 37.8 37.7 37.7 37.7 37.6 38.1 38.1 36.8 35.3 34.5 34.1                                           37.2 4
6 7
34.0 %.0 33.9 33.9 34.0 33.8 33.6 33.9 36.3 37.6 36.3 35.0 34.4 34.2 34.1 34.3 34.4 35.6 34.6 34.2 34.1 34.1 34.0 34.0                                             34.5 5
8 9
33.9 34.0 34.4 34.6 34.0 33.8 33.5 34.4 34.4 34.3 34.3 34.3 34.2 34.2 34.1 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9                                           34.1 6
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.9 34.0 34.0 33.9 33.9 33.9 34.0 34.0 34.0 33.9 34.0 33.9 33.9 33.9 33.9                                           33.9 7
33.6 33.7 33.9 34.6 35.2 36.0 37.9 38.1 38.4 38.7 39.0 39.3 39.9 38.7 37.4 36.0 34.8 34.3 34.1 34.0 34.0 33.9 34.0 34.0 36.0 2
33.9 34.0 33.9 33.9 34.0 34.0 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 34.0 34.0 33.9 33.9 33.9 33.9 33.8 33.9 33.9                                           33.9 8
33.8 33.5 33.6 34.0 34.7 35.5 37.1 38.1 39.0 38.2 36.8 35.5 34.8 34.5 34.3 34.2 34.0 34.0 34.2 34.2 34.2 34.3 34.1 34.0 35.0 3
33.8 33.9 33.8 33.8 33.7 33.7 33.7 33.7 33.7 33.6 33.7 33.8 33.9 34.2 34.4 34.5 34.5 34.3 34.0 33.9 34.0 33.7 33.7 33.7                                           33.9 9
34.0 34.0 36.4 37.7 37.8 37.8 37.9 38.1 38.1 38.2 38.3 39.3 39.0 37.8 37.7 37.7 37.7 37.6 38.1 38.1 36.8 35.3 34.5 34.1 37.2 4
33.7 33.8 33.9 34.0 34.1 34.1 34.2 34.2 34.2 34.2 33.9 33.9 34.2 34.4 34.5 34.6 34.6 34.6 34.4 34.0 33.9 33.8 33.8 33.8                                           34.1 10 1    33.8 33.8 33.9 33.7 34.1 34.3 34.2 34.2 34.2 34.6 34.9 34.9 34.9 35.0 35.0 35.1 36.3 35.3 34.4 34.0 33.8 33.8 33.8 33.7                                           34.4 M 11 33.5 33.4 33.4 33.4 33.7 33.9 34.3 37.4 38.2 37.5 35.9 34.9 34.4 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8                                           34.5 12 f    33.9 33.7 33.6 33.7 33.9 34.4 37.4 38.1 36.6 35.0 34.3 34.1 34.1 34.1 34.1 34.1 34.1 34.0 33.9 33.9 33.9 33.9 33.8 33.7                                           34.4 13 33.6 33.5 33.8 34.8 35.7 36.2 37.5 38.4 38.6 37.4 36.0 34.9 34.5 34.3 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.8                                           35.0 14 34.0 34.I 34.1 34.2 35.9 37.9 37.9 37.6 36.1 34.9 34.3 34.2 34.0 33.7 33.5 33.5 33.9 34.0 33.9 33.9 33.9 33.9 33.9 33.9                                           34.6 15 34.2 34.3 34.4 34.4 34.5 35.0 35.1 37.0 35.8 34.7 34.2 34.1 34.1 34.1 34.0 34.1 34.0 33.9 33.9 33.9 33.9 33.9 33.8 33.9                                           34.4 16 34.1 34.5 34.6 34.6 34.5 34.5 34.6 34.7 37.6 37.9 37.9 36.8 35.4 34.5 34.3 34.2 36.4 35.7 34.8 34.2 34.1 34.0 33.9 33.9                                           35.1 17 33.9 33.9 33.8 33.7 33.8 33.9 34.0 34.2 36.0 37.9 38.2 37.9 37.7 36.9 36.4 36.1 37.2 35.9 34.8 34.3 34.0 33.9 33.9 33.8                                           35.3 18 33.8 33.7 33.7 33.8 34.0 34.2 35.4 37.8 37.8 36.3 35.0 34.3 34.I 34.1 34.0 34.0 34.0 33.9 33.9 33.8 33.8 33.8 33.9 33.8                                           34.5 19 33.8 33.8 33.7 33.7 34.0 34.4 35.1 37.9 38.3 37.1 35.5 34.6 34.2 33.9 33.7 33.7 33.6 33.6 33.5 33.6 33.9 33.9 33.9 33.9                                           34.5 20 33.9 33.9 33.7 33.8 34.1 34.5 36.8 38.3 37.7 36.1 34.8 34.3 34.1 34.1 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8                                           34.6 21 33.9 33.8 33.7 33.7 33.8 34.1 36.9 38.1 37.5 35.9 35.0 34.4 34.2 34.1 34.0 34.0 34.0 35.2 35.9 35.1 34.4 34.1 33.9 33.9                                           34.7 22 33.8 33.8 33.6 33.6 33.6 33.7 34.2 37.0 38.2 37.7 36.2 35.1 34.5 34.2 34.1 34.1 34.0 34.0 34.0 33.9 33.9 33.8 33.8 33.9                                           34.5 23 33.9 33.9 33.9 34.0 34.2 34.5 35.0 36.2 37.7 38.0 38.3 38.1 37.1 35.5 34.6 34.2 34.1 34.0 34.0 33.9 34.0 34.0 33.9 33.9                                           35.0 24 33.9 33.9 33.8 33.8 34.4 35.1 35.7 36.3 37.3 38.1 38.0 38.3 38.7 38.9 39.0 39.3 39.3 39.8 38.6 37.5 36.2 35.0 34.6 34.4                                           36.7 25 34.3 34.3 34.5 35.2 35.6 36.5 37.5 38.3 38.5 37.4 36.1 35.1 34.7 34.5 34.3 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.8                                           35.1 26 33.6 33.5 33.4 33.4 33.5 33.7 35.6 33.6 32.8 32.5 32.5 32.4 32.4 32.5 32.4 32.4 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.3                                           32.9 27 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 33.6 32.7 32.5 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.6 32.3 32.3 32.2 32.3 32.2                                           32.4 28 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 33.5 32.6 32.5 32.4 32.6 32.7 32.7 32.7 33.2 32.9 32.8 32.8 32.8 32.8 32.8 32.7                                           32.6 29 32.7 32.8 33.2 33.6 34.1 34.5 35.0 37.4 36.9 35.2 34.0 33.6 33.5 33.5 33.6 33.7 34.7 35.1 34.0 33.6 33.5 33.4 33.4 33.2                                           34.1 30 33.1 33.1 33.4 33.8 34.3 34.9 35.6 36.3 38.5 38.5 36.8 35.0 34.2 34.0 33.9 34.0                                                       sysTDs INOPERATlvt           35.0 31                                                                                                   SYSTDI INOPERATIVE MONTHLY AVERACE   34.6
34.0 %.0 33.9 33.9 34.0 33.8 33.6 33.9 36.3 37.6 36.3 35.0 34.4 34.2 34.1 34.3 34.4 35.6 34.6 34.2 34.1 34.1 34.0 34.0 34.5 5
33.9 34.0 34.4 34.6 34.0 33.8 33.5 34.4 34.4 34.3 34.3 34.3 34.2 34.2 34.1 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 34.1 6
34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.9 34.0 34.0 33.9 33.9 33.9 34.0 34.0 34.0 33.9 34.0 33.9 33.9 33.9 33.9 33.9 7
33.9 34.0 33.9 33.9 34.0 34.0 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 34.0 34.0 33.9 33.9 33.9 33.9 33.8 33.9 33.9 33.9 8
33.8 33.9 33.8 33.8 33.7 33.7 33.7 33.7 33.7 33.6 33.7 33.8 33.9 34.2 34.4 34.5 34.5 34.3 34.0 33.9 34.0 33.7 33.7 33.7 33.9 9
33.7 33.8 33.9 34.0 34.1 34.1 34.2 34.2 34.2 34.2 33.9 33.9 34.2 34.4 34.5 34.6 34.6 34.6 34.4 34.0 33.9 33.8 33.8 33.8 34.1 1
10 33.8 33.8 33.9 33.7 34.1 34.3 34.2 34.2 34.2 34.6 34.9 34.9 34.9 35.0 35.0 35.1 36.3 35.3 34.4 34.0 33.8 33.8 33.8 33.7 34.4 M
11 33.5 33.4 33.4 33.4 33.7 33.9 34.3 37.4 38.2 37.5 35.9 34.9 34.4 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8 34.5 f
12 33.9 33.7 33.6 33.7 33.9 34.4 37.4 38.1 36.6 35.0 34.3 34.1 34.1 34.1 34.1 34.1 34.1 34.0 33.9 33.9 33.9 33.9 33.8 33.7 34.4 13 33.6 33.5 33.8 34.8 35.7 36.2 37.5 38.4 38.6 37.4 36.0 34.9 34.5 34.3 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.8 35.0 14 34.0 34.I 34.1 34.2 35.9 37.9 37.9 37.6 36.1 34.9 34.3 34.2 34.0 33.7 33.5 33.5 33.9 34.0 33.9 33.9 33.9 33.9 33.9 33.9 34.6 15 34.2 34.3 34.4 34.4 34.5 35.0 35.1 37.0 35.8 34.7 34.2 34.1 34.1 34.1 34.0 34.1 34.0 33.9 33.9 33.9 33.9 33.9 33.8 33.9 34.4 16 34.1 34.5 34.6 34.6 34.5 34.5 34.6 34.7 37.6 37.9 37.9 36.8 35.4 34.5 34.3 34.2 36.4 35.7 34.8 34.2 34.1 34.0 33.9 33.9 35.1 17 33.9 33.9 33.8 33.7 33.8 33.9 34.0 34.2 36.0 37.9 38.2 37.9 37.7 36.9 36.4 36.1 37.2 35.9 34.8 34.3 34.0 33.9 33.9 33.8 35.3 18 33.8 33.7 33.7 33.8 34.0 34.2 35.4 37.8 37.8 36.3 35.0 34.3 34.I 34.1 34.0 34.0 34.0 33.9 33.9 33.8 33.8 33.8 33.9 33.8 34.5 19 33.8 33.8 33.7 33.7 34.0 34.4 35.1 37.9 38.3 37.1 35.5 34.6 34.2 33.9 33.7 33.7 33.6 33.6 33.5 33.6 33.9 33.9 33.9 33.9 34.5 20 33.9 33.9 33.7 33.8 34.1 34.5 36.8 38.3 37.7 36.1 34.8 34.3 34.1 34.1 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8 34.6 21 33.9 33.8 33.7 33.7 33.8 34.1 36.9 38.1 37.5 35.9 35.0 34.4 34.2 34.1 34.0 34.0 34.0 35.2 35.9 35.1 34.4 34.1 33.9 33.9 34.7 22 33.8 33.8 33.6 33.6 33.6 33.7 34.2 37.0 38.2 37.7 36.2 35.1 34.5 34.2 34.1 34.1 34.0 34.0 34.0 33.9 33.9 33.8 33.8 33.9 34.5 23 33.9 33.9 33.9 34.0 34.2 34.5 35.0 36.2 37.7 38.0 38.3 38.1 37.1 35.5 34.6 34.2 34.1 34.0 34.0 33.9 34.0 34.0 33.9 33.9 35.0 24 33.9 33.9 33.8 33.8 34.4 35.1 35.7 36.3 37.3 38.1 38.0 38.3 38.7 38.9 39.0 39.3 39.3 39.8 38.6 37.5 36.2 35.0 34.6 34.4 36.7 25 34.3 34.3 34.5 35.2 35.6 36.5 37.5 38.3 38.5 37.4 36.1 35.1 34.7 34.5 34.3 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.8 35.1 26 33.6 33.5 33.4 33.4 33.5 33.7 35.6 33.6 32.8 32.5 32.5 32.4 32.4 32.5 32.4 32.4 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.3 32.9 27 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 33.6 32.7 32.5 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.6 32.3 32.3 32.2 32.3 32.2 32.4 28 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 33.5 32.6 32.5 32.4 32.6 32.7 32.7 32.7 33.2 32.9 32.8 32.8 32.8 32.8 32.8 32.7 32.6 29 32.7 32.8 33.2 33.6 34.1 34.5 35.0 37.4 36.9 35.2 34.0 33.6 33.5 33.5 33.6 33.7 34.7 35.1 34.0 33.6 33.5 33.4 33.4 33.2 34.1 30 33.1 33.1 33.4 33.8 34.3 34.9 35.6 36.3 38.5 38.5 36.8 35.0 34.2 34.0 33.9 34.0 sysTDs INOPERATlvt 35.0 31 SYSTDI INOPERATIVE MONTHLY AVERACE 34.6


          ./.                                                                                                   -
./.
l l
l l
TABLE 3.1-2 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 FEBRUARY 1982 DAY                                                                                                                             DAILY HOUR AVERACE 1   2   3   4   5   6   7     8     9   10   11   12   13   14   15   16 17 18   19   20   21   22   23   24 1
l TABLE 3.1-2 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 FEBRUARY 1982 DAY DAILY HOUR AVERACE 1
SYSTDf INOPERATIVE 2                                                                                        33.8 33.8 33.8 33.8 33.8 33.8 33.7 3 33.6 33.6 33.7 33.9 34.3 34.6 35.0 38.0 38.9 37.1 35.4 34.7 34.4 34.4 34.4 34.5 36.3 37.1 35.7 34.7 34.3 34.3 34.2 34.1     35.0 4  34.0 33.9 %.! 34.6 36.9 38.0 38.8 38.6 37.9 36.7 35.4 34.6 34.3 34.2 34.1 34.1 34.0 34.0 34.1 34.1 34.1 34.1 34.1 34.1       35.1 5 34.2 34.2 34.2 34.1 34.1 36.0 36.8 35.2 34.3 34.0 33.9 33.9 34.0 34.0 33.9 34.0 35.0 34.7 34.2 33.9 33.8 33.8 33.8 33.8     34.3 6  33.7 33.8 34.1 34.3 34.4 34.2 33.9 33.8 33.7 33.8 33.8 33.8 33.9 33.8 33.9 33.9 33.8 33.8 33.8 33.7 33.8 33.8 33.7 33.8     33.9 7 33.8 33.7 33.7 33.7 33.7 33.7 33.6 33.6 33.6 33.6 33.6 33.6 33.7 33.7 33.8 33.7 33.7 33.6 33.6 33.5 33.6 33.6 33.5 33.5     33.6 8  33.6 33.6 33.7 33.5 33.5 33.5 33.8 33.9 33.9 34.0 33.8 33.8 33.8 33.9 33.9 33.8 33.8 33.7 33.7 33.6 33.6 33.6 33.6 33.7     33.7 9  33.6 33.7 33.9 33.9 34.0 34.0 34.1 34.0 33.8 33.7 33.8 33.9 34.0 34.0 34.0 33.9 34.0 34.7 34.7 34.1 33.8 33.7 33.7 33.9     34.0 l 10  33.7 33.7 33.9 34.2 34.6 34.6 34.1 33.7 33.6 33.7 33.6 33.6 33.6 33.6 33.6 33.7 33.6 33.6 33.7 33.7 33.7 33.7 33.7 33.6     33.8 N !!  33.7 33.8 33.7 33.7 33.7 33.8 33.8 33.7 33.7 33.6 33.8 33.9'33.9 33.9 33.9 33.9 33.8 33.8 33.8 33.8 33.7 33.7 33.7 33.7     33.8 13.7 33.7 33.8 33.9 34.0 %.0 34.0 34.0 33.9 33.8 33.8 33.8 33.8 33.9 33.8 33.9 33.8 33.7 33.8 33.7 33.7 33.7 33.7 33.7       33.8 f 12 13  33.7 33.7 33.8 33.8 34.0 34.6 34.5 34.0 33.8 33.8 33.8 33.9 33.9 33.9 33.9 34.0 33.9 33.8 33.8 33.8 33.8 33.8 33.8 33.8     33.9 14  33.8 33.9 33.9 34.2 34.3 34.4 34.5 34.5 34.7 34.5 34.1 34.0 33.9 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.8     34.1 15  33.8 34.1 34.4 34.5 34.6 34.7 34.8 34.8 34.8 35.0 35.2 35.2 35.3 35.1 35.0 35.0 35.1 34.5 34.1 34.0 33.9 33.9 33.8 33.8     34.6 16  34.1 %.3 34.5 %.9 35.1 35.2 35.3 35.3 35.4 35.7 34.9 34.3 34.1 34.1 34.5 34.9 35.I 35.4 34.7 34.2 34.0 34.0 34.3 34.8       34.7 17  35.1 35.2 35.2 35.3 35.3 35.3 35.3 35.5 35.3 34.6 34.3 34.2 34.2 34.2 34.3 34.4 34.6 %.5 34.3 34.1 34.0 34.0 34.0 34.3     34.6 18  34.5 34.8 35.0 35.0 35.1 35.2 35.2 35.6 35.2 34.5 34.2 34.1 34.1 34.2 34.2 34.3 34.1 34.0 34.0 34.0 34.0 33.9 33.9 33.9     34.5 19  33.8 33.8 33.7 33.9 34.2 34.4 34.9 36.3 38.2 36.8 35.3 34.7 34.4.34.3 34.3 34.2 34.1 34.0 33.9 33.9 33.9 33.9 33.9 33.9     34.5 20  33.9 33.9 33.8 34.0 34.2 34.5 37.0 37.3 36.4 35.2 34.5 34.1 34.1 34.8 34.0 34.1 34.0 34.0 33.9 33.9 34.0 33.9 34.0 34.0     34.4 21  34.0 34.0 34.0 34.0 33.9 34.0 34.2 34.7 37.3 37.3 35.9 34.9 34.5 34.4 34.3 34.3 34.2 34.1 34.2 34.1 34.0 34.1 34.0 34.0     34.5 22  34.0 34.0 34.0 33.9 33.7 33.8 34.4 35.0 35.6 36.1 37.9 38.5 38.5 37.1 35.7 35.1 34.7 34.3 34.2 34.1 34.0 34.1 34.1 34.1     35.0 23  34.1 34.1 34.0 33.9 33.7 33.9 34.6 37.5 38.3 36.7 35.4 34.7 ' 34.5 34.5 34.7 34.9 35.0 35.5 35.9 37.3 35.8 34.7 34.3 34.2   35.1 24  34.2 34.1 34.0 33.8 33.7 34.0 34.4 37.0 37.7 36.6 35.3 34.6 34.3 34.2 34.2 34.I 34.I 34.0 34.1 34.2 34.I 34.1 34.1 34.I     34.5 25  34.0 34.0 33.8 33.6 33.7 34.1 34.8 37.8 37.7 36.1 35.0 34.5 34.3 34.3 34.3 34.3 34.5 34.5 34.5 35.9 36.2 35.4 34.9 34.7     34.9 26  34.4 34.5 35.7 36.5 36.7 36.4 36.4 37.4 37.3 35.7 34.7 24.4 34.2 34.2 34.1 34.2 34.1 34.8 34.6 34.2 34.0 33.9 33.9 33.9     35.0 27  33.9 33.7 33.6 33.6 33.5 33.8 34.6 37.0 37.6 36.4 35.2 34.4 34.5 34.4 34.3 34.3 34.2 34.2 34.2 35.6 34.6 35.9 37.3 36.4     34.9 28  35.7 35.2 34.9 34.9 34.8 34.7 34.7 34.7 35.4 34.7 34.2 34.2 34.3 34.4 34.6 34.7 34.5 36.0 36.7 35.4 34.5 34.2 34.0 34.0     34.8 34.1 %.0 33.9 33.9 34.0 %.2 34.6 37.4 37.6 37.8 38.0 38.2 39.3 38.9 38.1 37.6 36.7 36.4 35.1 34.5 34.2 34.1 34.0 33.9       35.9 MONTHLY AVERACE 34.5
2 3
4 5
6 7
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
SYSTDf INOPERATIVE 33.8 33.8 33.8 33.8 33.8 33.8 33.7 2
33.6 33.6 33.7 33.9 34.3 34.6 35.0 38.0 38.9 37.1 35.4 34.7 34.4 34.4 34.4 34.5 36.3 37.1 35.7 34.7 34.3 34.3 34.2 34.1 35.0 3
34.0 33.9 %.! 34.6 36.9 38.0 38.8 38.6 37.9 36.7 35.4 34.6 34.3 34.2 34.1 34.1 34.0 34.0 34.1 34.1 34.1 34.1 34.1 34.1 35.1 4
34.2 34.2 34.2 34.1 34.1 36.0 36.8 35.2 34.3 34.0 33.9 33.9 34.0 34.0 33.9 34.0 35.0 34.7 34.2 33.9 33.8 33.8 33.8 33.8 34.3 5
33.7 33.8 34.1 34.3 34.4 34.2 33.9 33.8 33.7 33.8 33.8 33.8 33.9 33.8 33.9 33.9 33.8 33.8 33.8 33.7 33.8 33.8 33.7 33.8 33.9 6
33.8 33.7 33.7 33.7 33.7 33.7 33.6 33.6 33.6 33.6 33.6 33.6 33.7 33.7 33.8 33.7 33.7 33.6 33.6 33.5 33.6 33.6 33.5 33.5 33.6 7
33.6 33.6 33.7 33.5 33.5 33.5 33.8 33.9 33.9 34.0 33.8 33.8 33.8 33.9 33.9 33.8 33.8 33.7 33.7 33.6 33.6 33.6 33.6 33.7 33.7 8
33.6 33.7 33.9 33.9 34.0 34.0 34.1 34.0 33.8 33.7 33.8 33.9 34.0 34.0 34.0 33.9 34.0 34.7 34.7 34.1 33.8 33.7 33.7 33.9 34.0 9
33.7 33.7 33.9 34.2 34.6 34.6 34.1 33.7 33.6 33.7 33.6 33.6 33.6 33.6 33.6 33.7 33.6 33.6 33.7 33.7 33.7 33.7 33.7 33.6 33.8 l
10 33.7 33.8 33.7 33.7 33.7 33.8 33.8 33.7 33.7 33.6 33.8 33.9'33.9 33.9 33.9 33.9 33.8 33.8 33.8 33.8 33.7 33.7 33.7 33.7 33.8 N
13.7 33.7 33.8 33.9 34.0 %.0 34.0 34.0 33.9 33.8 33.8 33.8 33.8 33.9 33.8 33.9 33.8 33.7 33.8 33.7 33.7 33.7 33.7 33.7 33.8 f
12 33.7 33.7 33.8 33.8 34.0 34.6 34.5 34.0 33.8 33.8 33.8 33.9 33.9 33.9 33.9 34.0 33.9 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.9 13 33.8 33.9 33.9 34.2 34.3 34.4 34.5 34.5 34.7 34.5 34.1 34.0 33.9 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.8 34.1 14 33.8 34.1 34.4 34.5 34.6 34.7 34.8 34.8 34.8 35.0 35.2 35.2 35.3 35.1 35.0 35.0 35.1 34.5 34.1 34.0 33.9 33.9 33.8 33.8 34.6 15 34.1 %.3 34.5 %.9 35.1 35.2 35.3 35.3 35.4 35.7 34.9 34.3 34.1 34.1 34.5 34.9 35.I 35.4 34.7 34.2 34.0 34.0 34.3 34.8 34.7 16 35.1 35.2 35.2 35.3 35.3 35.3 35.3 35.5 35.3 34.6 34.3 34.2 34.2 34.2 34.3 34.4 34.6 %.5 34.3 34.1 34.0 34.0 34.0 34.3 34.6 17 34.5 34.8 35.0 35.0 35.1 35.2 35.2 35.6 35.2 34.5 34.2 34.1 34.1 34.2 34.2 34.3 34.1 34.0 34.0 34.0 34.0 33.9 33.9 33.9 34.5 18 33.8 33.8 33.7 33.9 34.2 34.4 34.9 36.3 38.2 36.8 35.3 34.7 34.4.34.3 34.3 34.2 34.1 34.0 33.9 33.9 33.9 33.9 33.9 33.9 34.5 19 33.9 33.9 33.8 34.0 34.2 34.5 37.0 37.3 36.4 35.2 34.5 34.1 34.1 34.8 34.0 34.1 34.0 34.0 33.9 33.9 34.0 33.9 34.0 34.0 34.4 20 34.0 34.0 34.0 34.0 33.9 34.0 34.2 34.7 37.3 37.3 35.9 34.9 34.5 34.4 34.3 34.3 34.2 34.1 34.2 34.1 34.0 34.1 34.0 34.0 34.5 21 34.0 34.0 34.0 33.9 33.7 33.8 34.4 35.0 35.6 36.1 37.9 38.5 38.5 37.1 35.7 35.1 34.7 34.3 34.2 34.1 34.0 34.1 34.1 34.1 35.0 22 34.1 34.1 34.0 33.9 33.7 33.9 34.6 37.5 38.3 36.7 35.4 34.7 ' 34.5 34.5 34.7 34.9 35.0 35.5 35.9 37.3 35.8 34.7 34.3 34.2 35.1 23 34.2 34.1 34.0 33.8 33.7 34.0 34.4 37.0 37.7 36.6 35.3 34.6 34.3 34.2 34.2 34.I 34.I 34.0 34.1 34.2 34.I 34.1 34.1 34.I 34.5 24 34.0 34.0 33.8 33.6 33.7 34.1 34.8 37.8 37.7 36.1 35.0 34.5 34.3 34.3 34.3 34.3 34.5 34.5 34.5 35.9 36.2 35.4 34.9 34.7 34.9 25 34.4 34.5 35.7 36.5 36.7 36.4 36.4 37.4 37.3 35.7 34.7 24.4 34.2 34.2 34.1 34.2 34.1 34.8 34.6 34.2 34.0 33.9 33.9 33.9 35.0 26 33.9 33.7 33.6 33.6 33.5 33.8 34.6 37.0 37.6 36.4 35.2 34.4 34.5 34.4 34.3 34.3 34.2 34.2 34.2 35.6 34.6 35.9 37.3 36.4 34.9 27 35.7 35.2 34.9 34.9 34.8 34.7 34.7 34.7 35.4 34.7 34.2 34.2 34.3 34.4 34.6 34.7 34.5 36.0 36.7 35.4 34.5 34.2 34.0 34.0 34.8 28 34.1 %.0 33.9 33.9 34.0 %.2 34.6 37.4 37.6 37.8 38.0 38.2 39.3 38.9 38.1 37.6 36.7 36.4 35.1 34.5 34.2 34.1 34.0 33.9 35.9 MONTHLY AVERACE 34.5


i TABLE 3.1-3 AVERACE ROURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 MARCH 1982 D41LY DAY                                                               HOUR                                                         AVERACE
i TABLE 3.1-3 AVERACE ROURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 MARCH 1982 D41LY DAY HOUR AVERACE I
                                                                                      ~
2 3
I    2 3     4   5     6   7   8   9   10   Il   12   13   14   15 16 17   18   19   20   21   22   .23   ' 24                 ,
4 5
1 E4 El 34.4 E8 37.8 38.0 38.2 38.4 38.6 37.6 36.1 35.0 34.5 34.4 R2 El 34.1 34.0 El 34.0 34.0 34.0 33.9 34.0                   35.4 2 LO 33.P 33.7 33.9 34.4 35.2 37.4 37.9 38.2 37.5 35.9 35.0 E7 34.5 E3 A3 E4 34.6 E S 33.7 34.6 A2 At 33.9                     35.1 3 33.9 33.8 33.8 33.9 35.0 38.0 38.I 38.0 38.4 37.4 35.9 A9 AS E4 34.4 34.4 34.7 34.7 34.4 34.2 A0 33.9 .34.0 At               35.1 4 34.1 34.0 33.9 33.8 EO 35.4 38.1 38.0 38.4 37.0 35.4 - A6 E 3 34.1. E 0 34.0 E3 E5 A2 A0 33.9 34.0 34.0 A2                   34.8 5 E2 34.5 34.8 35.0 35.1 35.0 35.3 35.8 34.8 E3 34.2 A2 - A5 E8 36.0 Al 37.3 37.2 35.7 A7 E2 ' El E4 34.3                       35.0           j 6 34.4 35.1 37.7 38.0 37.8 38.0 38.0 38.3 38.3 37.8 36.3 35.2 34.6 E4 . A2 34.2 El EO EO 34.0 EO 34.0 EO 34.1                   35.6 7 El El EO 33.9 E0 E3 E6 35.1 37.3 37.7 38.0 38.7 37.8' A l A9 E4 E2 El El El EO EO EO A0                                       35.1 8 33.9 33.8 33.6 33.7 33.9 34.4 37.6 38.2 37.9 36.2 35.1 A7 E6 E5 ' A4 E3 E3 E9 35.5'35.4 E4 E2 At 34.3                         34.9           j 9 E4 E3 E2 El E5 37.0 37.0 37.8 36.7 35.5 E8 E6 E5 E4 34.4 E4 34.4 E6 E6 E6 E6 A5 E5 E4                                         35.0           l l 10 E4 E4 34.2 E2 E3 36.1 37.4 38.2 37.2 35.7 E9 A6 A6 E6 A5 E4 E3 A3 34.2 A2 A2 34.4 . 34.5 E4                                   A9             I N !!  E4 E3 El E2 E3 E8 37.3 38.1 37.2 35.7 E7 E4 A2 E2 A2 E3 35.6 35.9 35.0 A4 E2 E2 At El                                         A9 12 E2 El E3 35.1 35.7 36.0 37.5 37.1 35.8 E8 R4 E3 A3 E3 A2 A3 E3 A2 R2 El El Al El El                                           E7 f 13 El R0 34.2 34.8 34.4 Al Al A7 35.4 A6 E2 A0 33.9 33.9 33.9 33.9 33.9 33.8 33.9 33.9 33.9 33.9 34.0 A0                         El .
6 7
l 14 El 33.8 El El E2 E3 E5 E7 E6 A5 E 6 -34.7 A7 E8 34.7 E7 34.5 AS A3 34.3 A2 34.2 A2 A2                                         34.4 15 E2 E2 El E2 E2 El El E2 El 34.2 A4 34.5 34.7 E7 A7 E7 E9 34.5 E4 A2 E2 El E l 34.1                                           A3 16 El El EO E0 E0 33.9 33.9 33.9 33.9 34.0 34.2 E2 R3 E3 A3 A2. El EO A0 33.9 34.0 A0 EO Ao                                     At 17 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.8 33.8 33.8           33.3 18 33.8 33.8 33.9 33.8 33.8 33.8 33.8 33.8 33.9 EO At 34.2 E3 34.3 A2 A2 El 34.0 '33.9 33.9 33.9 E0 EO A0                       A0 19 LO 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 E0 Al E 2-34.2 E2 Al El El A0 34.0 34.0" EO 33.9 33.9 33.9                         E0 20 LO 33.9 33.9 33.9 33.9 33.9 33.9 33.9 EO EO A2 34.3 E4 R4 E4 E4 E3 34.1 A0 34.0 33.9 EO EO 33.9                               34.1 21 34.0 EO 33.9 33.8 33.8 33.8 33.9 33.9 33.9 RO E0 E0 E0 33.9 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9                   33.9 22 33.9 33.9 33.8 33.9 33.9 33.9 33.8 33.9 33.9 33.9 EO A2 A3 34.3 34.2 E2 . E2 El EO 33.9 33.9 33.8 33.8 33.8                   34.0 23 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.9 33.9 E0 Al R2 E3 A3 E3 A2 At 33.9 33.9 33.8 33.8 33.8 33.8'                     33.9 24 33.8 33.8 33.8 33.8 33.8 34.0 33.8 33.8 33.8 33.9 At 34.2 A2 E3 A2 E2 El AD 33.9 33.9 33.8 33.8 33.8 33.8                     33.9 25 33.8 33.8 33.8 33.8 33.8 13.8 33.7 33.7 33.7 33.9 El A2 E2 E3 A3 E3 34.2 34.1 AO 33.9 33.7 33.7 33.7 33.7                     33.9 -
8 9
26 33.7 33.6 33.5 33.5 33.5 31.5 33.6 33.6 33.6 33.5 33.5 33.4 33.3 33.2 33.2 33.2 33.2 33.1 33.0 33.0 32.9 32.9 32.9 32.9       33.3 27 32.9 32.8 32.9 32.8 32.9 32.9 32.9 32.9 32.9 33.0 33.0 33.0 33.1 33.1 33.1 33.1 33.0 32.9 32.9 32.9 32.9 32.9 33.0 32.9       32.9 28 32.9 32.9 32.8 32.9 32.9 32.9 33.0 33.0 33.0 33.1 33.3 33.4 33.4 33.5 33.5 33.5 33.5 33.4 33.3 33.2 33.2 33.2 33.2 33.2       33.2 29 33.2 33.1 33.I 33.1 33.1 33.2 33.2 33.3 33.3 33.4 ~ 33.5 33.5 33.6 33.6 33.7 33.7 33.6 33.5 33.4 33.4 33.3 33.4 33.3 33.3     33.4 30 33.3 33.3 33.3 33.3 33.3 33.2 33.2 33.3 33.3 33.4 33.8 33.7- 33.7 33.8 33.9 33.9 33.9 33.8 33.7 33.6 33.6 33.5 33.2 32.9. 33.5 31 32.8 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.8 32.8 32.8 32.8 32.8 32.8 32.8 32.9 33.0 33.1 33.1 33.2 33.1       32.8 MONTHLY AVERAGE   E3
10 Il 12 13 14 15 16 17 18 19 20 21 22
- _ _ .            t-
.23
' 24
~
1 E4 El 34.4 E8 37.8 38.0 38.2 38.4 38.6 37.6 36.1 35.0 34.5 34.4 R2 El 34.1 34.0 El 34.0 34.0 34.0 33.9 34.0 35.4 2
LO 33.P 33.7 33.9 34.4 35.2 37.4 37.9 38.2 37.5 35.9 35.0 E7 34.5 E3 A3 E4 34.6 E S 33.7 34.6 A2 At 33.9 35.1 3
33.9 33.8 33.8 33.9 35.0 38.0 38.I 38.0 38.4 37.4 35.9 A9 AS E4 34.4 34.4 34.7 34.7 34.4 34.2 A0 33.9.34.0 At 35.1 4
34.1 34.0 33.9 33.8 EO 35.4 38.1 38.0 38.4 37.0 35.4 - A6 E 3 34.1. E 0 34.0 E3 E5 A2 A0 33.9 34.0 34.0 A2 34.8 5
E2 34.5 34.8 35.0 35.1 35.0 35.3 35.8 34.8 E3 34.2 A2 - A5 E8 36.0 Al 37.3 37.2 35.7 A7 E2 ' El E4 34.3 35.0 j
6 34.4 35.1 37.7 38.0 37.8 38.0 38.0 38.3 38.3 37.8 36.3 35.2 34.6 E4. A2 34.2 El EO EO 34.0 EO 34.0 EO 34.1 35.6 7
El El EO 33.9 E0 E3 E6 35.1 37.3 37.7 38.0 38.7 37.8' A l A9 E4 E2 El El El EO EO EO A0 35.1 8
33.9 33.8 33.6 33.7 33.9 34.4 37.6 38.2 37.9 36.2 35.1 A7 E6 E5 ' A4 E3 E3 E9 35.5'35.4 E4 E2 At 34.3 34.9 j
9 E4 E3 E2 El E5 37.0 37.0 37.8 36.7 35.5 E8 E6 E5 E4 34.4 E4 34.4 E6 E6 E6 E6 A5 E5 E4 35.0 l
l 10 E4 E4 34.2 E2 E3 36.1 37.4 38.2 37.2 35.7 E9 A6 A6 E6 A5 E4 E3 A3 34.2 A2 A2 34.4. 34.5 E4 A9 I
N E4 E3 El E2 E3 E8 37.3 38.1 37.2 35.7 E7 E4 A2 E2 A2 E3 35.6 35.9 35.0 A4 E2 E2 At El A9 f
12 E2 El E3 35.1 35.7 36.0 37.5 37.1 35.8 E8 R4 E3 A3 E3 A2 A3 E3 A2 R2 El El Al El El E7 l
13 El R0 34.2 34.8 34.4 Al Al A7 35.4 A6 E2 A0 33.9 33.9 33.9 33.9 33.9 33.8 33.9 33.9 33.9 33.9 34.0 A0 El.
14 El 33.8 El El E2 E3 E5 E7 E6 A5 E 6 -34.7 A7 E8 34.7 E7 34.5 AS A3 34.3 A2 34.2 A2 A2 34.4 15 E2 E2 El E2 E2 El El E2 El 34.2 A4 34.5 34.7 E7 A7 E7 E9 34.5 E4 A2 E2 El E l 34.1 A3 16 El El EO E0 E0 33.9 33.9 33.9 33.9 34.0 34.2 E2 R3 E3 A3 A2. El EO A0 33.9 34.0 A0 EO Ao At 17 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.8 33.8 33.8 33.3 18 33.8 33.8 33.9 33.8 33.8 33.8 33.8 33.8 33.9 EO At 34.2 E3 34.3 A2 A2 El 34.0 '33.9 33.9 33.9 E0 EO A0 A0 19 LO 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 E0 Al E 2-34.2 E2 Al El El A0 34.0 34.0" EO 33.9 33.9 33.9 E0 20 LO 33.9 33.9 33.9 33.9 33.9 33.9 33.9 EO EO A2 34.3 E4 R4 E4 E4 E3 34.1 A0 34.0 33.9 EO EO 33.9 34.1 21 34.0 EO 33.9 33.8 33.8 33.8 33.9 33.9 33.9 RO E0 E0 E0 33.9 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 22 33.9 33.9 33.8 33.9 33.9 33.9 33.8 33.9 33.9 33.9 EO A2 A3 34.3 34.2 E2. E2 El EO 33.9 33.9 33.8 33.8 33.8 34.0 23 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.9 33.9 E0 Al R2 E3 A3 E3 A2 At 33.9 33.9 33.8 33.8 33.8 33.8' 33.9 24 33.8 33.8 33.8 33.8 33.8 34.0 33.8 33.8 33.8 33.9 At 34.2 A2 E3 A2 E2 El AD 33.9 33.9 33.8 33.8 33.8 33.8 33.9 25 33.8 33.8 33.8 33.8 33.8 13.8 33.7 33.7 33.7 33.9 El A2 E2 E3 A3 E3 34.2 34.1 AO 33.9 33.7 33.7 33.7 33.7 33.9 -
26 33.7 33.6 33.5 33.5 33.5 31.5 33.6 33.6 33.6 33.5 33.5 33.4 33.3 33.2 33.2 33.2 33.2 33.1 33.0 33.0 32.9 32.9 32.9 32.9 33.3 27 32.9 32.8 32.9 32.8 32.9 32.9 32.9 32.9 32.9 33.0 33.0 33.0 33.1 33.1 33.1 33.1 33.0 32.9 32.9 32.9 32.9 32.9 33.0 32.9 32.9 28 32.9 32.9 32.8 32.9 32.9 32.9 33.0 33.0 33.0 33.1 33.3 33.4 33.4 33.5 33.5 33.5 33.5 33.4 33.3 33.2 33.2 33.2 33.2 33.2 33.2 29 33.2 33.1 33.I 33.1 33.1 33.2 33.2 33.3 33.3 33.4 ~ 33.5 33.5 33.6 33.6 33.7 33.7 33.6 33.5 33.4 33.4 33.3 33.4 33.3 33.3 33.4 30 33.3 33.3 33.3 33.3 33.3 33.2 33.2 33.3 33.3 33.4 33.8 33.7-33.7 33.8 33.9 33.9 33.9 33.8 33.7 33.6 33.6 33.5 33.2 32.9.
33.5 31 32.8 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.8 32.8 32.8 32.8 32.8 32.8 32.8 32.9 33.0 33.1 33.1 33.2 33.1 32.8 MONTHLY AVERAGE E3 t-


TABLE 3.1-4 AVERACE HOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION N0. 3 APRIL 1982 DAY                                                                                                                           DAILY HOUR AVERACE I   2     3   4   5   6   7   8     9   to       12-
TABLE 3.1-4 AVERACE HOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION N0. 3 APRIL 1982 DAY DAILY HOUR AVERACE I
                                                                    !!        13   14   15   16 17 18   19   20   21   22   23   24 1
2 3
2 33.1 33.1 33.2 33.2 33.2 33.2 33.2 33.3 33.4 33.5 33.8 33.9 14.0 34.0 34.4 34.6 34.6 34.8 34.9 35.0 35.1 35.4 35.5 35.4   34.1 4            3 35.0 14.7 34.7 34.5 34.3 14.1 33.8 33.7 33.6 33.7 33.7 33.8 33.9 34.1 34.2 34.3 34.5 34.5 34.6 34.6 34.7 34.8 34.8 34.9   34.3 4  14.9 34.9 14.9 34.8 34.8 34.9 35.1 35.3 35.7 35.9 36.2 36.3 36.3 36.4 36.5 36.6 36.7 36.7 36.7 36.8 36.8 36.8 36.8 36.8 36.0
4 5
;            5 36.8 36.7 36.6 36.5 36.4 36.3 36.2 36.2 36.2 36.1 36.1 36.2 36.3 36.4 36.4 36.4 36.4 36.5 36.5 36.4 36.3 36.2 36.2 36.1   '36.4 6 35.9 35.7 35.6 35.5 35.4 35.3 35.3 35.2 35.1 35.2 35.4 35.5 35.8 36.0 36.2 36.2 36.2 36.3 36.3 36.3 36.3 36.3 36.3 36.2 35.8 7 36.1 36.1 36.0 35.9 35.9 35.8 35.6 35.5 35.5 35.3 35.2 35.1 14.9 34.7 34.4 14.3 34.2 33.9 33.6 33.5 33.4 33.4 33.4 33.2 34.8 8 31.2 33.0 33.0 33.0 32.9 32.9 32.9 32.9 32.9 32.? 32.9 32.9 32.9 33.1 32.9 32.8 33.0 33.0 33.0 33.0 33.0 33.1 33.0 33.2   33.0
6 7
;            9  33.3 33.4 33.4 33.4 33.5 33.5 33.5 33.4 33.5 33.7 33.7 33.8 33.8 33.8 33.8 33.6 33.6 33.7 33.7 33.6 33.6 33.6 33.6 33.6   33.6 I    10  33.6 33.7 33.6 33.6 33.6 33.6 33.6 33.6 33.7 33.7 33.7 33.7 33.8 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7   33.7
8 9
[j    11  33.7 33.8 33.7 33.8 33.7 33.8 33.9 34.0 34.2 34.3 34.5 34.7 34.9 34.8 14.8 34.8 34.8 34.8 34.9 34.9 34.8 34.9 34.9 34.934.4 35.0 35.0 34.9 34.9 34.9 34.9 35.0 35.0 35.2 35.3 35.5 35.8 36.0 36.1 36.2 36.2 36.1 36.1 36.0 36.1 36.? 36.3 36.5 36.6 g      12                                                                                                                            35.7
to 12-13 14 15 16 17 18 19 20 21 22 23 24 1
        . 13  36.7 36.7 36.8 36.7 36.7 36.6 36.6 36.7 37.0 37.2 37.5 37.8 38.1 38.3 38.4 38.4 38.4 38.3 38.2 38.2 38.1 38.1 38.0 38.0 37.6 14  38.0 37.9 37.9 37.8 37.8 37.7 37.8 37.8 37.9 38.0 38.0 38.2 38.2 38.2 38.2 38.2 18.2 38.3 38.3 38.3 38.3 38.2 38.1 38.038.1 15  38.0 38.0 37.9 37.9 37.8 37.7 37.7 37.7 37.9 38.1 38.4 38.6 38.8 39.0 39.1 39.2 39.3 39.4 39.4 39.4 39.4 39.5 39.6 39.6 38.6 16  39.6 39.5 39.5 39.4 39.3 39.2 39.3 39.4 39.5 39.7 39.9 40.1 40.2 40.2 40.3 40.3.40.4 40.4 40.4 40.4 40.4 40.5 40.6 40.740.0 17  40.8 40.8 40.9 40.9 41.0 41.0 41.0 40.9 40.9 40.9 41.0 41.1 41.2 41.3 41.4 41.5 41.6 41.6 41.6 41.8 41.8 42.0 42.1 42.1   41.3 18  42.1 42.2 42.1 42.1 42.0 41.9 41.8 41.7 41.6 41.6 41.6 41.6 41.6 41.5 41.6 41.7 41.8 41.9 42.0 42.2 42.4 42.5 42.5 42.4 41.9 19  42.2 42.1 41.9 41.9 41.7 41.7 41.7 41.6 41.5 41.5 41.5 41.5 41.4 41.4 41.4 41.4 41.3 41.2 41.2 41.2 41.2 41.3 41.3 41.2 41.5 20  41.1 41.0 40.7 40.5 40.3 40.0 39.8 39.6 39.5 39.5 39.6 39.7 40.0 40.2 40.2 40.3 40.4 40.4 40.3 40.3 40.3 40.3 40.4 40.4   40.2 21  40.4 40.4 40.4 40.3 40.1 40.0 39.9 39.9 39.9 40.1 40.1 40.4 40.5 40.7 40.8 41.1 41.1 41.0 41.2 41.3 41.4 41.5 41.6 41.440.6 22  41.4 41.4 41.5 41.5 41.5 41.6 41.6 41.5 41.5 41.5 41.6 41.5 41.7 41.8 42.0 42.2 42.3 42.3 42.4 42.2 42.0 42.0 42.0 41.941.8 23  41.8 41.8 41.9 41.8 41.6 41.5 41.5 41.4 41.4 41.3 41.5 41.5 41.7 41.7 41.4 41.4 41.4 41.5 41.2 41.2 41.2 41.2 41.3 41.141.5 24  41.1 40.9 40.5 40.3 40.1 40.0 39.8 39.8 40.0 40.0 40.0 40.3 40.3 40.5 40.5 40.7 40.7 40.5 40.5 40.4 40.3 40.3 40.5 40.640.4 25  40.641.6 41.6 40.3 40.1 40.0 39.8 39.8 39.9 39.9 40.0 40.1 40.3 40.6 40.8 41.1 41.3 41.6 41.8 41.9 42.0 41.9 41.7 41.7 41.7 41.740.9 20                41.6 41.8 41.8 41.8 42.1 42.5 42.6 42.5 42.8 43.0 43.7 44.0 44.3 44.4 44.4 44.5 44.6 44.6 44.5 44.5 44.0   43.2 27  43.9 44.1 44.1 44.2 44.2 44.2 44.2 44.3 44.6 45.0 45.0 45.0 45.2 45.2 45.1 45.2 43.4 45.7 45.6 45.5 45.5 45.7 45.3 45.4   44.9 28  45.6 45.7 45.6 45.6 45.7 45.8 45.8 46.0 45.9 46.0 46.0 46.2 46.2 46.0 46.4 46.5 46.5 46.4 46.4 46.4 46.3 46.1 45.7 45.5   46.0 29  45.4 45.1 45.2 45.1 45.2 45.2 45.2 45.0 44.9 44.9 45.0 45.0 45.0 44.9 44.9 45.1 45.3 45.6 45.5 45.5 45.1 45.0 45.0 45.0   45.1
33.1 33.1 33.2 33.2 33.2 33.2 33.2 33.3 33.4 33.5 33.8 33.9 14.0 34.0 34.4 34.6 34.6 34.8 34.9 35.0 35.1 35.4 35.5 35.4 34.1 2
,          13  44.9 44.7 44.6 44.5 44.6 44.5 44.4 44.5 44.6 44.5 44.5 44.7 45.0 45.2 45.4 45.3 45.5 45.6 45.7 45.7 45.6 45.5 45.4 45.3   45.0 45.3 45.2 45.2 45.1 44.9 44.8 44.9 44.9 44.9 45.0 44.3 44.4 44.6 44.9 45.1 45.3 45.5 45.5 45.6 45.5 45.5 45.5 45.4 45.4   45.1 MONTHLY AVERACE   39.2
35.0 14.7 34.7 34.5 34.3 14.1 33.8 33.7 33.6 33.7 33.7 33.8 33.9 34.1 34.2 34.3 34.5 34.5 34.6 34.6 34.7 34.8 34.8 34.9 34.3 3
14.9 34.9 14.9 34.8 34.8 34.9 35.1 35.3 35.7 35.9 36.2 36.3 36.3 36.4 36.5 36.6 36.7 36.7 36.7 36.8 36.8 36.8 36.8 36.8 36.0 4
4 36.8 36.7 36.6 36.5 36.4 36.3 36.2 36.2 36.2 36.1 36.1 36.2 36.3 36.4 36.4 36.4 36.4 36.5 36.5 36.4 36.3 36.2 36.2 36.1
'36.4 5
35.9 35.7 35.6 35.5 35.4 35.3 35.3 35.2 35.1 35.2 35.4 35.5 35.8 36.0 36.2 36.2 36.2 36.3 36.3 36.3 36.3 36.3 36.3 36.2 35.8 6
36.1 36.1 36.0 35.9 35.9 35.8 35.6 35.5 35.5 35.3 35.2 35.1 14.9 34.7 34.4 14.3 34.2 33.9 33.6 33.5 33.4 33.4 33.4 33.2 34.8 7
31.2 33.0 33.0 33.0 32.9 32.9 32.9 32.9 32.9 32.? 32.9 32.9 32.9 33.1 32.9 32.8 33.0 33.0 33.0 33.0 33.0 33.1 33.0 33.2 33.0 8
33.3 33.4 33.4 33.4 33.5 33.5 33.5 33.4 33.5 33.7 33.7 33.8 33.8 33.8 33.8 33.6 33.6 33.7 33.7 33.6 33.6 33.6 33.6 33.6 33.6 9
33.6 33.7 33.6 33.6 33.6 33.6 33.6 33.6 33.7 33.7 33.7 33.7 33.8 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 I
10 33.7 33.8 33.7 33.8 33.7 33.8 33.9 34.0 34.2 34.3 34.5 34.7 34.9 34.8 14.8 34.8 34.8 34.8 34.9 34.9 34.8 34.9 34.9 34.934.4
[j 11 35.0 35.0 34.9 34.9 34.9 34.9 35.0 35.0 35.2 35.3 35.5 35.8 36.0 36.1 36.2 36.2 36.1 36.1 36.0 36.1 36.? 36.3 36.5 36.6 35.7 g
12 36.7 36.7 36.8 36.7 36.7 36.6 36.6 36.7 37.0 37.2 37.5 37.8 38.1 38.3 38.4 38.4 38.4 38.3 38.2 38.2 38.1 38.1 38.0 38.0 37.6 13 38.0 37.9 37.9 37.8 37.8 37.7 37.8 37.8 37.9 38.0 38.0 38.2 38.2 38.2 38.2 38.2 18.2 38.3 38.3 38.3 38.3 38.2 38.1 38.038.1 14 38.0 38.0 37.9 37.9 37.8 37.7 37.7 37.7 37.9 38.1 38.4 38.6 38.8 39.0 39.1 39.2 39.3 39.4 39.4 39.4 39.4 39.5 39.6 39.6 38.6 15 39.6 39.5 39.5 39.4 39.3 39.2 39.3 39.4 39.5 39.7 39.9 40.1 40.2 40.2 40.3 40.3.40.4 40.4 40.4 40.4 40.4 40.5 40.6 40.740.0 16 40.8 40.8 40.9 40.9 41.0 41.0 41.0 40.9 40.9 40.9 41.0 41.1 41.2 41.3 41.4 41.5 41.6 41.6 41.6 41.8 41.8 42.0 42.1 42.1 41.3 17 42.1 42.2 42.1 42.1 42.0 41.9 41.8 41.7 41.6 41.6 41.6 41.6 41.6 41.5 41.6 41.7 41.8 41.9 42.0 42.2 42.4 42.5 42.5 42.4 41.9 18 42.2 42.1 41.9 41.9 41.7 41.7 41.7 41.6 41.5 41.5 41.5 41.5 41.4 41.4 41.4 41.4 41.3 41.2 41.2 41.2 41.2 41.3 41.3 41.2 41.5 19 41.1 41.0 40.7 40.5 40.3 40.0 39.8 39.6 39.5 39.5 39.6 39.7 40.0 40.2 40.2 40.3 40.4 40.4 40.3 40.3 40.3 40.3 40.4 40.4 40.2 20 40.4 40.4 40.4 40.3 40.1 40.0 39.9 39.9 39.9 40.1 40.1 40.4 40.5 40.7 40.8 41.1 41.1 41.0 41.2 41.3 41.4 41.5 41.6 41.440.6 21 41.4 41.4 41.5 41.5 41.5 41.6 41.6 41.5 41.5 41.5 41.6 41.5 41.7 41.8 42.0 42.2 42.3 42.3 42.4 42.2 42.0 42.0 42.0 41.941.8 22 41.8 41.8 41.9 41.8 41.6 41.5 41.5 41.4 41.4 41.3 41.5 41.5 41.7 41.7 41.4 41.4 41.4 41.5 41.2 41.2 41.2 41.2 41.3 41.141.5 23 41.1 40.9 40.5 40.3 40.1 40.0 39.8 39.8 40.0 40.0 40.0 40.3 40.3 40.5 40.5 40.7 40.7 40.5 40.5 40.4 40.3 40.3 40.5 40.640.4 24 40.6 40.3 40.1 40.0 39.8 39.8 39.9 39.9 40.0 40.1 40.3 40.6 40.8 41.1 41.3 41.6 41.8 41.9 42.0 41.9 41.7 41.7 41.7 41.740.9 25 41.6 41.6 41.6 41.8 41.8 41.8 42.1 42.5 42.6 42.5 42.8 43.0 43.7 44.0 44.3 44.4 44.4 44.5 44.6 44.6 44.5 44.5 44.0 43.2 20 43.9 44.1 44.1 44.2 44.2 44.2 44.2 44.3 44.6 45.0 45.0 45.0 45.2 45.2 45.1 45.2 43.4 45.7 45.6 45.5 45.5 45.7 45.3 45.4 44.9 27 45.6 45.7 45.6 45.6 45.7 45.8 45.8 46.0 45.9 46.0 46.0 46.2 46.2 46.0 46.4 46.5 46.5 46.4 46.4 46.4 46.3 46.1 45.7 45.5 46.0 28 45.4 45.1 45.2 45.1 45.2 45.2 45.2 45.0 44.9 44.9 45.0 45.0 45.0 44.9 44.9 45.1 45.3 45.6 45.5 45.5 45.1 45.0 45.0 45.0 45.1 29 44.9 44.7 44.6 44.5 44.6 44.5 44.4 44.5 44.6 44.5 44.5 44.7 45.0 45.2 45.4 45.3 45.5 45.6 45.7 45.7 45.6 45.5 45.4 45.3 45.0 13 45.3 45.2 45.2 45.1 44.9 44.8 44.9 44.9 44.9 45.0 44.3 44.4 44.6 44.9 45.1 45.3 45.5 45.5 45.6 45.5 45.5 45.5 45.4 45.4 45.1 MONTHLY AVERACE 39.2


_- . _ , _          -                ___ _    _    -      m   -
m j -
j-                                                                                                                                                                                     ;
TABLE 3.1-5 AVERAGE NOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION NO. 3 MAY 1982-1 dally DAY NOUR AVERAGE-1 2
;                                                                            TABLE 3.1-5 AVERAGE NOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION NO. 3 MAY 1982-1 dally DAY                                                               NOUR                                                               AVERAGE-1     2   3   4         5 6   7     8   9   10 - 11   12. 13   14   15     16   17 .18 19   20 _ 21   22   23     24 1
3 4
45.4 45.4 45.3 45.3 45.2 45.2 45.1 45.1 45.2 45.2 45.3 45.5 45.7 45.7 45.9 46.1 46.3 46.4 46.4 46.5 46.5 46.6 46.7 46.9             '45.8 2 46.9 46.9 46.8 46.7 46.6 46.5 46.4. 46.4 46.3 46.3 46.3 46.4 46.6 46.8 46.8 46.9 47.1.47.1 47.1 47.1-47.3 47.5 47.6 47.7             46.8 3 47.7 47.8 47.9 47.9 47.8 47.8 47.9 48.0 48.0 47.9 47.9 48.1' 48.3 48.4 48.5 48.5 48.5 48.4 48.4-48.3 48.3 48.3 48.2 48.3             48.1 4 48.3 48.4 48.5 48.5 48.5 48.5 48.4 48.5. 48.6 48.8 59.0 49.2 49.3 49.4. 49.5 49.6 49.5 49.6 49.6 49.5 49.5 49.4 49.4 49.4         s  49.0 5 49.3 49.4 49.4 49.4 49.3 49.2 49.1 49.1 49.1 48.9 48.9 49.6 49.7 49.9 50.1 50.3 50.4 50.4 50.4 50.4 50.5 50.5 50.4 50.4               49.8 6 50.4 50.4 50.3 50.3 50.2 50.2 50.1 50.0 50.0 50.0.49.7 49.7 49.8 50.0 50.1 50.3 50.4 - 50.6 50.7 50.8 '50.9' 51.0 51.2 51.3           50.4 7 51.3 51.4 51.5 51.5 51.4 51.4 51.5 51.4 51.4 51.6.51.7 51.9 52.2 52.2 .52.3 52.4 52.5 52.4 52.3 52.1 52.0 52.0-52.0 52.1             $1.9 I
5 6
8  52.0 52.0 52.0 52.1 52.1 52.2 52.3 52.4 52.6' 52.7 53.0 53.2 53.4 53.6 53.7 53.7 53.7_ 53.7 53.7 53.6 53.7 53.7 53.7 53.7             53.0 9 53.7 53.7 53.6 53.6 53.7 53.7 53.7 53.7 53.7 53.9 %.3 54.5 M.6 54.8 %.8 M.7 54.8 %.8 54.8 54.9 %.7 M.6 54.5 54.4                     54.3 1 10 54.3 54.2 54.1 54.1 54.0 54.0 54.0 54.0 54.0 54.2 54.4 54.6 54.8 55.0. 55.1 55.2 55.2 55.1 54.8 %.6 %.3 54.2 54.1 54.0               %.4
7 8
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TABLE 3.1-6 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 JUNE 1982 DAY                                                                                                                             DAILY HOUR AVERACE I   2   3   4   5     6   7   8   9   10   II   12   13   14 15   16 17   18 . 19   20   21     22   23   24 1
TABLE 3.1-6 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 JUNE 1982 DAY DAILY HOUR AVERACE I
2  M.4 M.4 64.2 64.1 64.1 64.0 64.0 63.9 63.5 63.4 63.4 63.3 63.3 63.3 63.4 63.5 63.6 63.6 63.5 63.5 63.4 63.3 63.4 63.5         63.7 3 63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.4 63.3 63.4 63.5 63.5 63.8 64.2 64.5 64.7 64.9 65.0 64.9 64.7 64.5 64.4 64.2 64.1       64.0
2 3
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6 7
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8 9
10 II 12 13 14 15 16 17 18. 19 20 21 22 23 24 1
M.4 M.4 64.2 64.1 64.1 64.0 64.0 63.9 63.5 63.4 63.4 63.3 63.3 63.3 63.4 63.5 63.6 63.6 63.5 63.5 63.4 63.3 63.4 63.5 63.7 2
63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.4 63.3 63.4 63.5 63.5 63.8 64.2 64.5 64.7 64.9 65.0 64.9 64.7 64.5 64.4 64.2 64.1 64.0 3
M.! 64.1 A4.1 64.1 64.2 64.2 64.2 M.2 64.2 M.2 64.5 M.7 64.9 65.1 65.2 65.2 65.1 64.9 64.7 64.5 64.4 64.2 64.1 64.1 64.5 4
64.1 M.1 M.1 M.0 64.0 63.9 63.8 63.7 63.6 63.5 63.6 63.8 64.1 64.3 64.5 64.8 64.8 64.8 M.8 64.8 64.8 64.7 64.7 64.7 64.2 5
64.6 64.5 M.4 64.3 64.2 64.1 64.0 63.9 63.8 63.8 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.6 63.6 63.6 63.6 63.6 63.4 63.9 6
63.2 62.9 62.6 62.3 62.1. 61.9 61.8 61.6 61.3 61.0 60.6 60.3 60.2 60.1 60.0 59.9 59.9 59.7 59.5 59.6 59.5 59.4 59.2 59.0 60.7 7
58.9 58.9 58.9 58.9 58.9 58.9 58.8 58.7 58.6 58.5 58.5 58.4.58 4 58.3 58.3 58.3 58.3 58.2 58.2 58.2 56.1 58.0 58.0 58.0' 58.5 8
57.9 57.8 57.7 57.5 57.4 57.3 57.3 57.3 57.3 57.4 57.5 57.6 57.9 58.1 58.3 58.5 58.6 58.7 58.7 58.7 58.4 58.5 58.5 58.4 58.0 9
58.5 58.5 58.6 58.6 58.5 58.4 58.3 58.2 58.1 58.1 58.4 58.7 59.0 59.3 59.7 60.0 60.2 60.3 60.4 60.4 60.2 59.9 59.9 59.9 59.2 1
10 60.0 60.1 60.2 60.3 60.3 60.4 60.4 60.4 60.5 60.6 60.8 60.9 61.2 61.5 61.7 62.0 62.1 62.3 62.2 62.0 61.9 61.8 61.7 61.7 61.1 y
11 61.7 61.7 61.6 61.6 61.6 61.5 61.5 61.6 61.7 61.9 62.2 62.5 62.6 62.7 62.9 63.0 63.1 63.1 63.2 63.1 63.0 63.0 63.0 62.9 62.4 g
12 62.7 62.6 62.6 62.5 62.4 62.4 62.3 62.3 62.2 62.1 62.1 62.2 62.3 62.6 63.0 63.3 63.6 63.8 63.9 63.9 63.9 63.8 63.8 63.7 62.9 j
13 63.7 63.6 63.5 63.5 63.4 63.3 63.3 63.3 63.2 63.2 63.1 62.9.62.7 62.5 62.5 62.5 62.4 62.3 62.2 62.2 62.0 61.9 61.8 61.8 62.8 14 61.9 61.9 61.8 61.7 61.7 61.6 61.6 61.6 61.6 61.5 61.5 61.5 61.5 61.6 61.7 61.8 61.9 62.1 62.0 61.9 61.9 62.0 62.0 62.0 61.8 15 61.7 61.5 61.3 61.2 61.1 61.1 61.0 60.9 61.0 61.2 61.6 62.0 62.3 62.6 62.9 63.1 63.1 63.0 62.7 62.5 62.3 62.2 62.0 61.9 61.9 16 61.8 61.8 61.8 61.8 61.8 61.8 61.9 62.0 62.3 62.5 62.7 62.8 63.0 63.3 63.6 63.7 63.9 63.9 63.9 63.8 63.7 63.6 63.5 63.5 62.8 -
17 63.4 63.5 63.4 63.4 63.4 63.4 63.4 63.3 63.2 63.1 63.1 63.1 63.2 63.3 63.6 63.9 64.3 M.6 64.7 64.8 64.8 64.6 64.4 64.2 63.8 18 M.1 63.9 63.8 63.7 63.5 63.4 63.3 63.2 63.2 63.3 63.4 63.6 63.8 64.1 64.4 64.5 64.5 64.7 64.5 64.5 64.3 64.2 64.2 64.1 63.9 19 64.1 64.1 64.1 64.1 64.0 64.0 64.0 64.0 64.1 64.4 64.7 65.1 65.4 65.8 66.1 66.4 66.6 66.7 66.8 66.8 66.7 66.6 66.5 66.4 65.3 20 66.3 66.3 66.2 66.1 65.9 65.8 65.8 65.6 65.5 65.5 65.5 65.6 65.9 66.2 66.6 67.1 67.3 67.6 67.7 67.8 67.8 67.7 67.5 67.3 66.5 21 67.1 67.0 66.9 66.8 66.7 66.6 66.5 66.3 66.1 65.8 65.7 65.9 66.2 66.5 66.8 67.0 67.2 67.3 67.3 67.4 67.4 67.5 67.5 67.5 66.8 22 67.4 67.4 67.3 67.2 67.2 67.1 67.0 66.9 66.9 66.7 66.7 66.9 67.2 67.4 67.7 67.8 67.9 68.0 68.1 68.2 68.1 68.0 68.1 68.1 67.5 i
23 68.0 68.0 68.0 67.9 67.9 67.8 67.9 67.7 67.6 67.6 67.5 67.5 67.6 67.8 68.0 68.1 68.2 68.2 68.2 68.1 68.0 67.9 67.8 67.8 67.9 24 67.6 67.4 67.2 67.1 66.9 66.8 66.6 66.5 66.5 M.6 66.8 66.9 67.2 67.3 67.5 67.6 67.8 67.9 68.0 67.8 67.7 67.4 67.2 67.0 67.2 25 66.7 66.4 66.3 66.2 66.1 66.1 66.1 66.1 66.2 66.4 66.5 66.7 66.9 67.1 67.3 67.5 67.6 67.8 67.9 67.7 67.6 67.4 67.4 67.3 66.9 26 67.2 67.1 67.0 66.8 66.7 66.7 66.8 66.9 67.0 67.1 67.2 67.3 67.4 67.5 67.6 67.8 67.9 68.0 68.0 68.0 67.9 67.8 67.8 67.6 67.4 27 67.4 67.2 67.1 66.9 66.8 66.6 66.6 66.5 66.6 66.7 66.9 67.1 67.2 67.5 67.8 68.1 68.2 68.2 68.1 68.0 67.8 67.6 67.5 67.5 67.3 28 67.6 67.5 67.4 67.4 67.4 67.4 67.3 67.2 67.0 67.0 67.0 67.0 67.2 67.5 67.9 68.1 68.4 68.5 68.7 68.7 68.6 68.6 68.5 68.5 67.8 29 68.5 68.5 68.4 68.4 68.4 68.3 68.3 68.1 68.1 68.1 68.2 68.2 68.4 68.5 68.6 68.7 68.7 68.7 68.6' 68.4 68.3 68.1 68.1 68.0 68.4 30 68.0 68.1 68.1 68.2 68.3' 68.2 68.1 67.9 67.7 67.5 67.3 67.2 67.2 67.4 67.6 67.8 68.1 68.2 68.2 68.1 68.0 67.9 67.7 67.6 67.8 MONTHLY AVERACE 64.2 r
l l
l l
l l
l l
L
L


1 TABLE 3.1-7                                       -
1 TABLE 3.1-7 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 3 JULY 1982 PAILY DAY HOUR AVERACF.
AVERACE HOURLY TEMPERATURE IN *F
I 2
                                          ,.              VERMONT YANKEE SAMPLE STATION No. 3 JULY 1982 PAILY DAY                                                                   HOUR                                                                 AVERACF.
3 4
I   2     3   4   5   6   7     8     9   10   !!    12   13   14   15   16   17   18   19       20   21     22   23   .24 1 67.5 67.3 67.2 67.1 66.8 66.6 66.4 65.9 65.8 65.8 65.8 65.8 65.9 66.0 66.1 66.2 66.2 66.2 66.2 66.1 66.0 65.8 65.8 65.7                   66.3 2 65.6 65.6 65.6 65.5 65.5 65.4 65.4 65.4 65.5 65.7 65.9 66.2 66s4 66.7 66.9 67.0 67.1 67.1 67.0 66.9 66.8 66.6 66.5 66.4                   66.2 3 66.3 66.2 66.1 66.1 66.1 66.1 66.0 65.9 65.9 66.0 66.0 66.1 66.3 66.4 66.6 66.6 66.8 66.7 66.7 66.7 66.7 66.6 66.5 66.5                   ~ 66.3 4 66.3 66.2 66.0 65.8 65.7 65.6 65.6 65.4 65.4 65.4 65.4 65.6 65.7 65.9 66.1 66.4 66.5 66.6 66.7 66.7- 66.6 66.5 66.3 66.2                   66.0 5 66.1 66.1 66.1 65.9 65.8 65.7 65.7 65.7 65.7 65.9 66.1 66.2 66.2 66.5 66.9 67.2 67.4 67.3 66.9 66.5 66.1 65.9 65.9 66.3                   66.3 6 66.6 66.8 66.8 66.7 66.7 66.7 66.7 E6.7 66.7 66.8 67.0 67.2 67.3 67.5 67.5 67.6 67.8 68.0 68.1     67.9 68.2 68.2   68.0   67.9   67.3 7 67.9 68.0 68.1 68.1 68.1 68.0 67.7 67.5 67.6 67.8 68.0 68.3 68.6 68.9 69.1 69.3 69.5 69.7 69.8   69.8   69.8 69.8   69.8   69.6   68.7 8 69.6 69.6 69.6 69.6 69.6 69.5 69.4 69.1 69.2 69.6 70.0 70.3 70.4 70.8 71.2 71.8 72.0 72.7 72.2     72.2 72.1 72.0   71.9   72.0   70.7 9 71.9 71.7 71.7 71.6 71.5 71.3 71.2 71.0 71.0 71.0 71.1 71.2 71.4 71.7 72.2 72.4 72.5 72.5 72.6     72.7 72.7 72.6   72.5   72.3   71.8 10 72.4 72.4 72.3 72.3 72.3 72.3 72.1 72.4 72.1 72.0 72.2 72.3 72.6 72.9 73.2 73.6 74.4 74.8 74.8     74.6 74.4 74.2   74.1   73.9   73.1 og 11 73.7 73.6 73.5 73.5 73.5 73.6 74.0 74.3 74.1 74.3 74.6 74.4 74.3 74.2 74.3 74.3 74.4 74.3 74.3     74.3 74.3 74.3   74.3   74.3   74.1 C3 12 74.3 74.6 74.7 74.7 74.7 74.8 74.8 75.2 75.2 75.1 74.4 74.0 74.0 74.1 74.2 74.4 74.5 74.7 74.7     74.6 74.5 74.4   74.3   74.3   74.6 I 13  74.3 74.3  74.3 74.3 74.2 74.1 74.0  73.9 74.2  74.4 74.7                                                                                 74.9 14  75.6 75.6 75.5 75.4 75.3 75.2 75.1 75.1 75.1 75.4            75.875.7*  74.8 74.8 75.0 75.0 75.3 75.9 76.0                     SYSTEM 75.7  75.9 76.0 76.0 75.9 75.7 75.9 75.7 INOPERATIVE                   75.5 15                                       SYSTEM INOPERATIVE                                     77.1 77.0 77.0 77.0 77.0 77.0 77.0 16 76.9 76.7 76.6 76.4 76.3 76.2 76.1 76.1 76.2 76.1 76.4 76.6 76.6 76.7 77.0 77.2 77.4 77.4 77.5 77.7 77.7 77.8 77.6 77.4                   76.9 17 77.2 77.0 76.9 76.8 76.8 76.8 76.7 76.8 76.9 77.1 77.5 77.9 78.5 79.0 79.1 . ;. 9 79.4 79.3 78.4 77.7 77.3 77.0 76.9 76.8                 77.7 18 76.8 77.0 77.1 77.3 77.3 77.3 77.4 77.5 77.7 78.0 78.5 78.9 79.4 79.3 79.8 79.6 79.6 79.2 78.6 78.6 79.4 80.1 80.5 80.7                   78.6 19 80.7 80.2 79.9 79.6 79.4 79.1 79.0 78.9 78.7 79.1 79.9 80.2 80.2 80.4 80.8 81.1 81.3 81.3 81.3 81.2 81.2 81.1 80.9 80.6                   80.3 20 80.5 80.4 80.4 80.3 80.2 80.1 80.0 79.8 79.5 79.7 80.0 80.0 79.6 79.3 79.1 79.0 79.0 78.9 78.7 78.6 78.5 78.3 78.1 7A.0                   79.4 21 78.0 77.9 77.7 77.5 77.4 77.2 77.1 77.0 76.9 77.1 77.1 77.0 77.0 77.2 77.3 77.6 77.9 78.3 78.2 78.5 78.4 78.3 78.2 78.1                   77.6 22 78.1 78.1 78.0 78.0 77.5 77.8 77.6 77.7 77.7 77.6 77.6 77.5 77.5 77.8 78.0 78.4 78.5 78.5 78.4 78.3 78.1 77.9 77.8 77.7                   77.9 23 77.6 77.5 77.5 77.3 77.3 77.2 77.1 77.2 77.3 77.4 77.4 77.5 77.7 78.0 78.2 78.4 78.7 78.9 78.9 78.7 78.5 78.4 78.4 78.3                   77.9 24 78.1 78.0 77.9 77.8 77.7 77.5 77.4 77.3 77.3 77.4 77.7 78.0 78.3 78.4 78.8 79.0 79.3 79.5 79.6 79.5 79.3 .79.1 78.9 78.8                 78.4 25 78.6 78.6 78.5 78.5 78.4 78.3 78.2 78.2 78.2 78.4 79.0 79.3 79.7 80.1 80.5 80.5 79.7 79.1 78.8 78.5 78.2 78.1 77.9 .77.8                 78.8 l
5 6
26 77.7 77.7 77.6 71.6 77.6 77.6 77.6 77.6 77.8 78.1 78.7 79.1 79.3 79.3 79.2 79.0 78.6 78.6 78.5 78.4 78.3 78.2 78.2 78.2                   78.3 i   27 78.3 78.3 78.4 78.3 78.3 78.3 78.3 78.3 78.4 78.8 79.3 79.6 80.0 80.0 79.9 80.2 80.3 80.3 80.1 79.9 79.8 79.7 79.6 79.5                   79.2 l   2M 19.5 19.5 19.4 79.4 79.3 79.2 79.0 78.9 78.8 78.7 78.4 78.4 78.2 78.1 78.0 77.8 17.7 77.7 77.7 77.6.77.5 77.3 77.2 77.2                     78.4                       -l' 29 77.1 77.0 76.9 76.8 76.6 76.5 76.4 76.3 76.3 76.2 76.1 76.4 76.4 76.3 76.4 76.5 76.5 76.5 76.5 76.4 76.5 76.5 76.5 76.5                   76.5 l   30 76.5 76.5 76.4 76.4 76.3 76.1 76.1 76.1 76.1 76.2 76.4 76.5 76.6 76.6 76.6 76.6 76.6 76.6 76.7 76.7 76.6 76.5 76.4 76.2                     76.4 l
7 8
31 76.1 76.3 76.2 76.1 76.1 76.1 76.1 76.1 76.1 76.1 76.3 76.5 76.6 76.7 76.7 76.8 76.9 76.3 76.4 76.6 76.7 76.6 76.7 76.7                   76.4 MONTHLY AVERACE     74.4
9 10 12 13 14 15 16 17 18 19 20 21 22 23
.24 1
67.5 67.3 67.2 67.1 66.8 66.6 66.4 65.9 65.8 65.8 65.8 65.8 65.9 66.0 66.1 66.2 66.2 66.2 66.2 66.1 66.0 65.8 65.8 65.7 66.3 2
65.6 65.6 65.6 65.5 65.5 65.4 65.4 65.4 65.5 65.7 65.9 66.2 66s4 66.7 66.9 67.0 67.1 67.1 67.0 66.9 66.8 66.6 66.5 66.4 66.2 3
66.3 66.2 66.1 66.1 66.1 66.1 66.0 65.9 65.9 66.0 66.0 66.1 66.3 66.4 66.6 66.6 66.8 66.7 66.7 66.7 66.7 66.6 66.5 66.5
~ 66.3 4
66.3 66.2 66.0 65.8 65.7 65.6 65.6 65.4 65.4 65.4 65.4 65.6 65.7 65.9 66.1 66.4 66.5 66.6 66.7 66.7-66.6 66.5 66.3 66.2 66.0 5
66.1 66.1 66.1 65.9 65.8 65.7 65.7 65.7 65.7 65.9 66.1 66.2 66.2 66.5 66.9 67.2 67.4 67.3 66.9 66.5 66.1 65.9 65.9 66.3 66.3 6
66.6 66.8 66.8 66.7 66.7 66.7 66.7 E6.7 66.7 66.8 67.0 67.2 67.3 67.5 67.5 67.6 67.8 68.0 68.1 67.9 68.2 68.2 68.0 67.9 67.3 7
67.9 68.0 68.1 68.1 68.1 68.0 67.7 67.5 67.6 67.8 68.0 68.3 68.6 68.9 69.1 69.3 69.5 69.7 69.8 69.8 69.8 69.8 69.8 69.6 68.7 8
69.6 69.6 69.6 69.6 69.6 69.5 69.4 69.1 69.2 69.6 70.0 70.3 70.4 70.8 71.2 71.8 72.0 72.7 72.2 72.2 72.1 72.0 71.9 72.0 70.7 9
71.9 71.7 71.7 71.6 71.5 71.3 71.2 71.0 71.0 71.0 71.1 71.2 71.4 71.7 72.2 72.4 72.5 72.5 72.6 72.7 72.7 72.6 72.5 72.3 71.8 10 72.4 72.4 72.3 72.3 72.3 72.3 72.1 72.4 72.1 72.0 72.2 72.3 72.6 72.9 73.2 73.6 74.4 74.8 74.8 74.6 74.4 74.2 74.1 73.9 73.1 11 73.7 73.6 73.5 73.5 73.5 73.6 74.0 74.3 74.1 74.3 74.6 74.4 74.3 74.2 74.3 74.3 74.4 74.3 74.3 74.3 74.3 74.3 74.3 74.3 74.1 og C3 12 74.3 74.6 74.7 74.7 74.7 74.8 74.8 75.2 75.2 75.1 74.4 74.0 74.0 74.1 74.2 74.4 74.5 74.7 74.7 74.6 74.5 74.4 74.3 74.3 74.6 I
14 75.6 75.6 75.5 75.4 75.3 75.2 75.1 75.1 75.1 75.4 75.7* 74.8 74.8 75.0 75.0 75.3 75.7 75.9 76.0 76.0 75.9 75.7 75.9 75.7 74.9 13 74.3 74.3 74.3 74.3 74.2 74.1 74.0 73.9 74.2 74.4 74.7 75.8 75.9 76.0 SYSTEM INOPERATIVE 75.5 15 SYSTEM INOPERATIVE 77.1 77.0 77.0 77.0 77.0 77.0 77.0 16 76.9 76.7 76.6 76.4 76.3 76.2 76.1 76.1 76.2 76.1 76.4 76.6 76.6 76.7 77.0 77.2 77.4 77.4 77.5 77.7 77.7 77.8 77.6 77.4 76.9 17 77.2 77.0 76.9 76.8 76.8 76.8 76.7 76.8 76.9 77.1 77.5 77.9 78.5 79.0 79.1. ;. 9 79.4 79.3 78.4 77.7 77.3 77.0 76.9 76.8 77.7 18 76.8 77.0 77.1 77.3 77.3 77.3 77.4 77.5 77.7 78.0 78.5 78.9 79.4 79.3 79.8 79.6 79.6 79.2 78.6 78.6 79.4 80.1 80.5 80.7 78.6 19 80.7 80.2 79.9 79.6 79.4 79.1 79.0 78.9 78.7 79.1 79.9 80.2 80.2 80.4 80.8 81.1 81.3 81.3 81.3 81.2 81.2 81.1 80.9 80.6 80.3 20 80.5 80.4 80.4 80.3 80.2 80.1 80.0 79.8 79.5 79.7 80.0 80.0 79.6 79.3 79.1 79.0 79.0 78.9 78.7 78.6 78.5 78.3 78.1 7A.0 79.4 21 78.0 77.9 77.7 77.5 77.4 77.2 77.1 77.0 76.9 77.1 77.1 77.0 77.0 77.2 77.3 77.6 77.9 78.3 78.2 78.5 78.4 78.3 78.2 78.1 77.6 22 78.1 78.1 78.0 78.0 77.5 77.8 77.6 77.7 77.7 77.6 77.6 77.5 77.5 77.8 78.0 78.4 78.5 78.5 78.4 78.3 78.1 77.9 77.8 77.7 77.9 23 77.6 77.5 77.5 77.3 77.3 77.2 77.1 77.2 77.3 77.4 77.4 77.5 77.7 78.0 78.2 78.4 78.7 78.9 78.9 78.7 78.5 78.4 78.4 78.3 77.9 24 78.1 78.0 77.9 77.8 77.7 77.5 77.4 77.3 77.3 77.4 77.7 78.0 78.3 78.4 78.8 79.0 79.3 79.5 79.6 79.5 79.3.79.1 78.9 78.8 78.4 25 78.6 78.6 78.5 78.5 78.4 78.3 78.2 78.2 78.2 78.4 79.0 79.3 79.7 80.1 80.5 80.5 79.7 79.1 78.8 78.5 78.2 78.1 77.9.77.8 78.8 l
26 77.7 77.7 77.6 71.6 77.6 77.6 77.6 77.6 77.8 78.1 78.7 79.1 79.3 79.3 79.2 79.0 78.6 78.6 78.5 78.4 78.3 78.2 78.2 78.2 78.3 i
27 78.3 78.3 78.4 78.3 78.3 78.3 78.3 78.3 78.4 78.8 79.3 79.6 80.0 80.0 79.9 80.2 80.3 80.3 80.1 79.9 79.8 79.7 79.6 79.5 79.2 l
2M 19.5 19.5 19.4 79.4 79.3 79.2 79.0 78.9 78.8 78.7 78.4 78.4 78.2 78.1 78.0 77.8 17.7 77.7 77.7 77.6.77.5 77.3 77.2 77.2 78.4
-l 29 77.1 77.0 76.9 76.8 76.6 76.5 76.4 76.3 76.3 76.2 76.1 76.4 76.4 76.3 76.4 76.5 76.5 76.5 76.5 76.4 76.5 76.5 76.5 76.5 76.5 l
30 76.5 76.5 76.4 76.4 76.3 76.1 76.1 76.1 76.1 76.2 76.4 76.5 76.6 76.6 76.6 76.6 76.6 76.6 76.7 76.7 76.6 76.5 76.4 76.2 76.4 l
31 76.1 76.3 76.2 76.1 76.1 76.1 76.1 76.1 76.1 76.1 76.3 76.5 76.6 76.7 76.7 76.8 76.9 76.3 76.4 76.6 76.7 76.6 76.7 76.7 76.4 MONTHLY AVERACE 74.4


                                                                                                                                                    -n         .
-n 4
4
* i TABLE-3.1-8.
* i TABLE-3.1-8.
AVERACE HOURLY TEMPERATURE IM 'F VERMONT YANEEE SAMPLE STATION HO. 3 AUGUST 1982 '
AVERACE HOURLY TEMPERATURE IM 'F VERMONT YANEEE SAMPLE STATION HO. 3 AUGUST 1982 '
DAY                                                                                                                                           DAILY j                                                                                  MOUR .
j DAY DAILY MOUR.
AVERACE 2     3     4     5     6         8 i
AVERACE 1
1                                  7        9    10   11     12   13     14 ' 15       16 17   le   19 20   21   22   23   24 2
2 3
76.8 76.9 '76.8 76.7 76.6 76.6 76.6 76.6. 76.6 76.6 76.7 76.9 77.2 77.2 77.3 77.5 77.6 77.6 77.7 77.8 .78.1 78.3 78.4 78.4               77.2 3  78.4 78.2 78.0 77.8 77.6 77.6 77.6 77.5 77.4 77.4 77.3 77.1 77.0 76.9 76.9 77.0 77.1 77.1 76.8 76.8 76.6 76.6 .76.6 '76.7                 77.2 4  76.8 76.8 76.8 76.7 76.6 76.6 76.6 76.6 76.5 76.4 76.4 76.4 76.4 76.4 76.3 76.4 76.6 76.6 76.7 76.8 76.6 76.5 76.3 76.2                   76.5 1
4 5
5  76.2 76.2 76.2 76.1 76.1 76.1 76.0 76.1 76.1 76.1 76.2 76.4 76.5 76.7 76.8 76.8 76.8 76.7 76.8 76.7 76.5 76.3 76.2.76.1                   76.4 6  76.0 76.1 76.0 75.9 75.9 75.9 75.9 76.0 76.0 76.1 76.7 76.9 76.9 77.0 77.2 77.2 77.4 77.5 77.5 77.5 77.4 77.2 77.1 77.1                   76.7 7  77.1 77.0 76.9 76.8 76.9 76.8 76.7 76.8 76.8 76.9 77.1 77.4 77.7 77.7. 77.4 77.5 77.6 77.7 77.8 77.7 77.7 77.8 77.9 - 77.8               77.3 8
6 7
77.7 77.5 77.4 77.2 77.3 77.2 77.1 77.0 76.9 76.9 77.0 77.1 77.2 77.3 77.3 77.3 77.4 77.4 77.4 77.3 77.3 77.3 77.3 77.4                   77.3 9  77.4 77.4 77.2 77.0 77.1    77.3 77.I 77.2 77.1 77.0 77.0 76.9 76.9 77.0 77.2 77.4 77.6 77.8 77.8 77.8 77.7 77.6 77.4 77.1 77.0 77.0 77.0 77.0               77.3 1   10                            77.0" 76.9 76.8 76.7 76.7 76.7 76.8 76.8 76.9 77.0 77.1 77.3 77.4 77.4 77.3 77.4 77.5 77.4 77.4 77.2             77.1 W  11 77.2 77.2 77.1 77.1 77.1 77.0 76.9 77.0 77.1 77.1 77.2 77.3 77.6 77.9 77.8 78.2 78.2 78.1 78.1 78.1 '78.0 78.0 77.9 77.8                 77.5 77.7 77.6 77.5 77.4 77.3 77.1 77.1 77.0 76.9 76.9 76.8 76.7 76.9 77.0 77.1 .77.3 77.5 77.7 77.8 77.7 77.5 77.4 77.2 77.1                 77.3 Y   12 76.9 76.7 76.5 76.5 76.4 76.3 76.2 76.1 76.0 76.1 76.1 76.2 76.3 76.4 76.4 76.6' 76.7 76.8 76.7 76.7 76.7 76.6 76.5 76.4                 76.4 j       13 l      14 76.3 76.2 76.1 76.0 75.9 75.9 75.8 75.6 75.5 75.6 75.6 75.6 75.7 75.6 75.7 75.6 75.6 75.5 .75.5 75.5 75.4 75.3 75.2 75.1                 75.7 j        15    74.9 74.9 74.8 74.7 74.6 74.5 74.4 74.4 74.3 74.3 74.5 74.5 74.6 74.8 . 74.7 74.6 74.5 74.5 74.5 74.5 74.6 74.6 74.7 74.8                 74.6 j
8 9
74.9 74.8 74.8 74.8 74.7 74.5 74.5 74.4 74.4 74.4 74.3                                                                                   74.6 l
10 11 12 13 14 ' 15 16 17 le 19 20 21 22 23 24 i
16 73.2 75.3 75.3 75.3 75.3 75.3 75.3 75.2 75.1 75.2             75.375.3 75.2 ~   74.4 75.2        74.5 74.5 75.2.75.2    75.2 74.8  . 74.9 75.2 75.1 75.074.7 74.774.5 74.474.9 74.6 74.6  74.3 74.3 75.1 74.5 74.5 75.2 17 18 75.2 75.2 75.2 75.2 75.0 74.7 74.7 74.5 74.5 74.5 74.5 74.6 74.8 74.8 74.6 74.5 74.5 74.6 74.7 74.8 74.7 74.7 74.7 74.7                 74.7 19 74.8 74.8 74.7 74.6 74.5 74.4 74.4 74.4 74.4 74.4 74.4 74.3 74.4 74.6 74.8 75.1 75.2 75.3 75.4 75.3 75.2 75.1 75.0 74.9                 74.8, 20 74.8 74.7 74.7 74.6 74.5 74.5 74.6 74.6 74.5 74.2 74.3 74.2 74.3 74.4 74.4 74.5 74.7 74.9 74.9 74.9 74.7 74.7 74.7 74.8                 74.6 i      21 74.6 74.6 74.5 74.5 74.5 74.3 14.2 74.2 74 . 2 74.2 74.2 74.3 74. 2 74.2 74.2 74.1 74.1 74. 2 74.1 74.0 73.9 73.8 73.8 73.8             74.2 j        22    73.7 73.6 73.6 73.6 73.5 73.4 73.3 73.2 73.0 73.0 73.0 72.9 72.9 73.0 73.2 73.3 73.3 73.2 73.1 72.9 72.6 72.5 72.3 72.2                 73.1 23 72.1 71.9 71.8 71.6 71.5 71.5 71.4 71.2 71.2 71.3 71.7 71.9 72.1 72.2 72.1 72.1 72.4 72.4 12.1 71.9 71.6 71.4 71.3 71.2                 71.7
76.8 76.9 '76.8 76.7 76.6 76.6 76.6 76.6. 76.6 76.6 76.7 76.9 77.2 77.2 77.3 77.5 77.6 77.6 77.7 77.8.78.1 78.3 78.4 78.4 77.2 2
]             71.1 71.1 71.2 71.1 71.1 71.1 71.0 71.0 71. 1 71.2 71.4 71.4 71.5. 71.7 11.8 71.9 72.0 71.9 71.8 71.7 71.6 71.4 71.4 71.4               71.4 24 71.3 71.3 71.3 71.3 71.2 71.2 71.1 71.1 71.2 71.4 71.7 71.9 72.1 72.1 72.1 72.3 72.3 72.3 72.4 72.3 72.2. 72.2 72.1 72.1 '
78.4 78.2 78.0 77.8 77.6 77.6 77.6 77.5 77.4 77.4 77.3 77.1 77.0 76.9 76.9 77.0 77.1 77.1 76.8 76.8 76.6 76.6.76.6 '76.7 77.2 3
]        25                                                                                                                                            71.8 26 72.0 72.0 71.8 71.6 71.2 71.1 71.0 70.9 70.9 70.9 70.9 70.8 70.8 70.9 71.0 71.1 71.2 71.2 71. 2 71. 2 71.1 71.0 70.8 70.7               71 . 1 27 70.5 70.4 70.3 70.2 70.0 69.8 69.7 69.6 69.6 69.7 70.2 70.2 70.2 70.4 70.7 70.9 71.0 71.1 71.2 71.3 71.2 71.2 71.2 71.2                 70.5-28 78.2 71.1 71.1 71.0 70.9 70.9 70.8 70.7 70.6 70.6 70.6 70.7 70.8 71.0 71.2 71.3 71.3 71.3 71.3 71.3 71.2 71.3 71.3 71.2                 71.0 i      29
76.8 76.8 76.8 76.7 76.6 76.6 76.6 76.6 76.5 76.4 76.4 76.4 76.4 76.4 76.3 76.4 76.6 76.6 76.7 76.8 76.6 76.5 76.3 76.2 76.5 4
: 71. 2 71.2 71.1 71. 0 70.9 70.8 70.7 70.6 70.5 70.5 70.8 71.1 71.3 71.5 71.7 71. 7 71.6 71.4 71.1 70.9 70.6 70.5 70.4 70.3               71.0
76.2 76.2 76.2 76.1 76.1 76.1 76.0 76.1 76.1 76.1 76.2 76.4 76.5 76.7 76.8 76.8 76.8 76.7 76.8 76.7 76.5 76.3 76.2.76.1 76.4 1
;      30 70.3 70.2 70.1 70.0 69.8 69.6 69.4 69.4 69.3 69.3 69.7 70.0 70.1 70.2 70.4 70.4 70.5 70.5 70.2 69.9 69.7 69.5 69.4 69.2                 69.9
5 76.0 76.1 76.0 75.9 75.9 75.9 75.9 76.0 76.0 76.1 76.7 76.9 76.9 77.0 77.2 77.2 77.4 77.5 77.5 77.5 77.4 77.2 77.1 77.1 76.7 6
;        31 69.1 69.0 68.9 68.8 68.7 68.6 68.5 68.6 68.5 68.2 68.6 68.7 68.9- 69.1 69.3 69.3 69.3 69.2 69.1 69.0 68.9 68.8 68.7 68.7                 68.9               -
77.1 77.0 76.9 76.8 76.9 76.8 76.7 76.8 76.8 76.9 77.1 77.4 77.7 77.7. 77.4 77.5 77.6 77.7 77.8 77.7 77.7 77.8 77.9 - 77.8 77.3 7
68.6 68.5 68.5 68.4 68.4 68.4 68.4 68.4 68.2 68.2 68.2 68.3 68.3 68.5.68.6 68.7 68.7 68.8 68.8 68.9 68.9 69.0 69.2 69.2'                 68.6 MONTHLY AVERACE     74.2
77.7 77.5 77.4 77.2 77.3 77.2 77.1 77.0 76.9 76.9 77.0 77.1 77.2 77.3 77.3 77.3 77.4 77.4 77.4 77.3 77.3 77.3 77.3 77.4 77.3 8
  )
77.4 77.4 77.3 77.2 77.1 77.0 77.0 76.9 76.9 77.0 77.2 77.4 77.6 77.8 77.8 77.8 77.7 77.6 77.4 77.1 77.0 77.0 77.0 77.0 77.3 9
77.0 77.1 77.2 77.I 77.0" 76.9 76.8 76.7 76.7 76.7 76.8 76.8 76.9 77.0 77.1 77.3 77.4 77.4 77.3 77.4 77.5 77.4 77.4 77.2 77.1 1
10 77.2 77.2 77.1 77.1 77.1 77.0 76.9 77.0 77.1 77.1 77.2 77.3 77.6 77.9 77.8 78.2 78.2 78.1 78.1 78.1 '78.0 78.0 77.9 77.8 77.5 W
11 77.7 77.6 77.5 77.4 77.3 77.1 77.1 77.0 76.9 76.9 76.8 76.7 76.9 77.0 77.1.77.3 77.5 77.7 77.8 77.7 77.5 77.4 77.2 77.1 77.3 Y
12 76.9 76.7 76.5 76.5 76.4 76.3 76.2 76.1 76.0 76.1 76.1 76.2 76.3 76.4 76.4 76.6' 76.7 76.8 76.7 76.7 76.7 76.6 76.5 76.4 76.4 j
13 76.3 76.2 76.1 76.0 75.9 75.9 75.8 75.6 75.5 75.6 75.6 75.6 75.7 75.6 75.7 75.6 75.6 75.5.75.5 75.5 75.4 75.3 75.2 75.1 75.7 l
14 74.9 74.9 74.8 74.7 74.6 74.5 74.4 74.4 74.3 74.3 74.5 74.5 74.6 74.8. 74.7 74.6 74.5 74.5 74.5 74.5 74.6 74.6 74.7 74.8 74.6 j
15 74.9 74.8 74.8 74.8 74.7 74.5 74.5 74.4 74.4 74.4 74.3 j
16 73.2 75.3 75.3 75.3 75.3 75.3 75.3 75.2 75.1 75.2 75.3 ~ 74.4 74.5 74.5 74.8. 74.9 74.7 74.5 74.4 74.3 74.3 74.5 74.5 75.2 74.6 75.3 75.2 75.2 75.2.75.2 75.2 75.2 75.1 75.0 74.7 74.6 74.6 74.9 75.1 l
17 75.2 75.2 75.2 75.2 75.0 74.7 74.7 74.5 74.5 74.5 74.5 74.6 74.8 74.8 74.6 74.5 74.5 74.6 74.7 74.8 74.7 74.7 74.7 74.7 74.7 18 74.8 74.8 74.7 74.6 74.5 74.4 74.4 74.4 74.4 74.4 74.4 74.3 74.4 74.6 74.8 75.1 75.2 75.3 75.4 75.3 75.2 75.1 75.0 74.9 74.8, 19 74.8 74.7 74.7 74.6 74.5 74.5 74.6 74.6 74.5 74.2 74.3 74.2 74.3 74.4 74.4 74.5 74.7 74.9 74.9 74.9 74.7 74.7 74.7 74.8 74.6 20 74.6 74.6 74.5 74.5 74.5 74.3 14.2 74.2 74. 2 74.2 74.2 74.3 74. 2 74.2 74.2 74.1 74.1 74. 2 74.1 74.0 73.9 73.8 73.8 73.8 74.2 i
21 73.7 73.6 73.6 73.6 73.5 73.4 73.3 73.2 73.0 73.0 73.0 72.9 72.9 73.0 73.2 73.3 73.3 73.2 73.1 72.9 72.6 72.5 72.3 72.2 73.1 j
22 72.1 71.9 71.8 71.6 71.5 71.5 71.4 71.2 71.2 71.3 71.7 71.9 72.1 72.2 72.1 72.1 72.4 72.4 12.1 71.9 71.6 71.4 71.3 71.2 71.7
]
23 71.1 71.1 71.2 71.1 71.1 71.1 71.0 71.0 71. 1 71.2 71.4 71.4 71.5. 71.7 11.8 71.9 72.0 71.9 71.8 71.7 71.6 71.4 71.4 71.4 71.4 24 71.3 71.3 71.3 71.3 71.2 71.2 71.1 71.1 71.2 71.4 71.7 71.9 72.1 72.1 72.1 72.3 72.3 72.3 72.4 72.3 72.2. 72.2 72.1 72.1 '
71.8
]
25 72.0 72.0 71.8 71.6 71.2 71.1 71.0 70.9 70.9 70.9 70.9 70.8 70.8 70.9 71.0 71.1 71.2 71.2 71. 2 71. 2 71.1 71.0 70.8 70.7 71. 1 26 70.5 70.4 70.3 70.2 70.0 69.8 69.7 69.6 69.6 69.7 70.2 70.2 70.2 70.4 70.7 70.9 71.0 71.1 71.2 71.3 71.2 71.2 71.2 71.2 70.5-27 78.2 71.1 71.1 71.0 70.9 70.9 70.8 70.7 70.6 70.6 70.6 70.7 70.8 71.0 71.2 71.3 71.3 71.3 71.3 71.3 71.2 71.3 71.3 71.2 71.0 28
: 71. 2 71.2 71.1 71. 0 70.9 70.8 70.7 70.6 70.5 70.5 70.8 71.1 71.3 71.5 71.7 71. 7 71.6 71.4 71.1 70.9 70.6 70.5 70.4 70.3 71.0 i
29 70.3 70.2 70.1 70.0 69.8 69.6 69.4 69.4 69.3 69.3 69.7 70.0 70.1 70.2 70.4 70.4 70.5 70.5 70.2 69.9 69.7 69.5 69.4 69.2 69.9 30 69.1 69.0 68.9 68.8 68.7 68.6 68.5 68.6 68.5 68.2 68.6 68.7 68.9-69.1 69.3 69.3 69.3 69.2 69.1 69.0 68.9 68.8 68.7 68.7 68.9 31 68.6 68.5 68.5 68.4 68.4 68.4 68.4 68.4 68.2 68.2 68.2 68.3 68.3 68.5.68.6 68.7 68.7 68.8 68.8 68.9 68.9 69.0 69.2 69.2' 68.6 MONTHLY AVERACE 74.2
)


I TABLE 3.1-9 AVERACE HOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION No. 3 SEPTEMBER 1982 DAILY DAY                                                                                                                                             HOUR                                                       AVERACE 1     2         3         4                 5   6                         7                     8     9             10     11   12     13   14   15 16 17   18   19   20   21   22   23   24 1
I TABLE 3.1-9 AVERACE HOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION No. 3 SEPTEMBER 1982 DAILY DAY HOUR AVERACE 1
69.3 69.3 69.3 69.3 69.2 69.2 69.1 69.1 69.0 68.9 68.8 68.8 68.7 68.6 68.6 68.7 68.7 68.7 68.7 68.6 68.5 68.4 68.4 68.3                                                                                   68.8 2 68.4 68.5                                       SYSTDt INOPERATIVE                                                             68.0 69.5 69.I 69.1 69.1 69.1 68.8 68.4 68.2 68.2 68.1 68.1 68.1 68.1   68.6 3 68.1 68.0 68.3 68.3 68.2 68.2 68.2 68.I 68.1 68.1 68.2 68.5 68.7 68.8 68.9 69.1 69.2 69.2 69.2 69.1 68.9 68.9 68.8 68.7                                                                                   68.6 4 68.6 68.5 68.3 68.2 68.1 68.0 67.9 67.9 67.8 67.7 67.7 67.7 67.7 67.8 68.0 68.2 68.5 68.5 68.5 68.4 68.2 68.1 68.1 68.0 -                                                                                 68.1 5 68.0 68.0 67.9 67.9 67.9 67.9 67.8 67.7 67.7 67.7 67.9 68.3 68.7 69.0 69.3 69.5 69.8 69.7 69.4 69.0 68.7 68.4 68.2 68.1                                                                                   68.4 6 67.9 67.9 67.9 68.0 68.0 68.0 68.0 68.0 68.0 68.1 68.2 68.5 69.0 69.4 69.7 70.0 70.1 70.2 69.9 69.5 69.2 68.9 68.7 68.5                                                                                   68.7 7
2 3
68.3 68.2 68.2 68.1 68.1 68.0 68.0 67.8 67.7 67.8 67.9 68.0 68.2 68.4 68.6 68.8 69.0 69.1 69.1 69.2 69.1 69.1 69.0 69.0                                                                                   68.4 8 69.0                                                                                                                                 SYSTDI INOPERATIVE l
4 5
9                                                                                                                                       SYSTDI INOPERATIVE i 10                                                                                                                                       SYSTDI INOPERATIVE 11                                                                                                                                       SYSTDI INOPERATIVE g 12                                                                                                                                       SYSTDt INOPERATIVE 13                                                                                                     SYS1Df INOPERATIVE                                               70.1 70.1 70.2 70.2 70.1 70.0 69.9 14 69.8 69.8 69.7 69.6 69.5 69.4 69.3 69.2 69.2 69.2 69.1 69.2 69.4 69.6 69.9 70.1 70.2 70.1 70.0 69.9 69.7 69.5 69.3 69.2                                                                                   69.6 15 69.2 69.1 69.1 69.2 69.2 69.3 69.3 69.4 69.5 69.5 69.6 69.7 69.9 70.0 70.2 70.3 70.3 70.2 70.4 70.5 70.6 70.8 70.8 70.8                                                                                 69.9 16 70.8 70.7 70.7 70.6 70.5 70.4 70.3 70.2 70.1 70.0 69.9 69.8 69.8 69.8 69.8 69.7 69.6 69.6 69.6 69.6 69.5 69.4 69.2 69.3                                                                                   70.0 17 69.2 69.1 69.0 69.0 68.9 68.9 68.7 68.6 68.5 68.5 68.3 68.1 68.0 67.9 67.8.67.8 67.6 67.4 67.2 67.2 67.1 67.0 67.0 M.9                                                                                   68.1 18 66.8 66.8 66.7 66.7 66.6 66.5 66.4 66.3 66.2 66.0 66.2 66.3 66.4 M.4 66.5 66.5 66.6 M.8 66.9 66.9 M.9 66.8 M.7 M.6                                                                                       66.6 19 M.6 66.6 66.5 66.4 66.3 66.2 66.0 66.0 65.8 65.8 65.9 65.9 65.9 67.9 68.1 68.3 68.5 68.5 68.5 68.5 68.4 68.3 68.I 67.9                                                                                   67.1 20 67.7 67.6 67.5 67.2 67.1 67.0 66.8 66.6 66.5 66.5 66.5 66.5 66.5 66.6 66.6 M.6 66.5 M.4 M.4 66.3 66.2 66.1 66.1 H.1                                                                                     M.7 21 66.1 66.1 66.1 66.1 66.0 66.0 66.0 66.0 65.9 66.0 66.1 M. I 66.1 M. I M.2 66.2 M. 2 66.2 66.2 M.1 66.0 M.0 65.9 65.9                                                                                     66.1 22 65.9 65.9 65.9 65.9 65.9 65.9 65.8 65.8 65.7 65.6 65.7 65.7 65.6 65.6 65.7 65.7 65.6 65.6 65.5 65.5 65.4 65.4 65.3 65.2                                                                                 65.7 23 65.2 65.2 65.2 65.2 65.2 65.I 65.1 65.0 64.9 64.9 64.9 65.0 65.1 65.1 65.2 65.5 65.6 65.6 65.6 65.5 65.3 65.1 65.0 M.9                                                                                   65.2 24 64.8 64.8 64.7 64.6 64.6 64.6 64.5 64.5 64.5 64.6 64.8 65.1 65.4 65.7 65.9 65.8 65.8 65.8 65.7 65.7 65.7 65.7 65.7 65.8                                                                                 65.2 25 65.8 65.7 65.6 65.5 65.5 65.4 65.4 65.3 65.2 65.2 65.3 65.3 65.5 65.7 65.8 65.9 66.1 M.1 65.9 65.7 65.6 65.3 65.1 65.1                                                                                   65.5 26 65.0 65.0 64.9 64.9 65.0 65.1 65.2 65.2 65.3 65.4 65.5 65.6 65.7 65.9 M.0 66.0 66.0 65.9 65.8 65.7 65.6 65.5 65.3 65.1                                                                                   65.4 27 65.0 M.8 64.6 64.6 64.6 64.6 64.5 64.6 64.6 64.5 64.5 64.5 64.6 64.7 64.8 64.7 64.7 64.8 64.8 64.7 M.7 M.7 64.6 64.6                                                                                     64.7 28 64.6 64.5 64.5 64.4 64.3 64.I 64.0 63.8 63.8 63.8 64.0 64.1 64.4 64.5 64.6 64.6 64.7 M.7 64.7 M.6 64.7 M.7 M.7 64.6                                                                                     64.4 29 64.6 64.6 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.6 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.6 64.6 M.5 64.4 M.3 64.1                                                                                   M.6 30 M.0 63.8 63.7 63.9 63.6 63.6 63.6 63.6 63.6 63.5 63.6 63.8 64.3 64.4 64.3 64.4 64.5 M.5 64.6 64.4 64.3 M.1 M.0 63.8                                                                                     64.0 MONTHLY AVERACE 67.0
6 7
              ~ ~ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ - --                                  - - - - - - -
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
69.3 69.3 69.3 69.3 69.2 69.2 69.1 69.1 69.0 68.9 68.8 68.8 68.7 68.6 68.6 68.7 68.7 68.7 68.7 68.6 68.5 68.4 68.4 68.3 68.8 2
68.4 68.5 SYSTDt INOPERATIVE 68.0 69.5 69.I 69.1 69.1 69.1 68.8 68.4 68.2 68.2 68.1 68.1 68.1 68.1 68.6 3
68.1 68.0 68.3 68.3 68.2 68.2 68.2 68.I 68.1 68.1 68.2 68.5 68.7 68.8 68.9 69.1 69.2 69.2 69.2 69.1 68.9 68.9 68.8 68.7 68.6 4
68.6 68.5 68.3 68.2 68.1 68.0 67.9 67.9 67.8 67.7 67.7 67.7 67.7 67.8 68.0 68.2 68.5 68.5 68.5 68.4 68.2 68.1 68.1 68.0 -
68.1 5
68.0 68.0 67.9 67.9 67.9 67.9 67.8 67.7 67.7 67.7 67.9 68.3 68.7 69.0 69.3 69.5 69.8 69.7 69.4 69.0 68.7 68.4 68.2 68.1 68.4 6
67.9 67.9 67.9 68.0 68.0 68.0 68.0 68.0 68.0 68.1 68.2 68.5 69.0 69.4 69.7 70.0 70.1 70.2 69.9 69.5 69.2 68.9 68.7 68.5 68.7 7
68.3 68.2 68.2 68.1 68.1 68.0 68.0 67.8 67.7 67.8 67.9 68.0 68.2 68.4 68.6 68.8 69.0 69.1 69.1 69.2 69.1 69.1 69.0 69.0 68.4 8
69.0 SYSTDI INOPERATIVE l
9 SYSTDI INOPERATIVE i
10 SYSTDI INOPERATIVE 11 SYSTDI INOPERATIVE g
12 SYSTDt INOPERATIVE 13 SYS1Df INOPERATIVE 70.1 70.1 70.2 70.2 70.1 70.0 69.9 14 69.8 69.8 69.7 69.6 69.5 69.4 69.3 69.2 69.2 69.2 69.1 69.2 69.4 69.6 69.9 70.1 70.2 70.1 70.0 69.9 69.7 69.5 69.3 69.2 69.6 15 69.2 69.1 69.1 69.2 69.2 69.3 69.3 69.4 69.5 69.5 69.6 69.7 69.9 70.0 70.2 70.3 70.3 70.2 70.4 70.5 70.6 70.8 70.8 70.8 69.9 16 70.8 70.7 70.7 70.6 70.5 70.4 70.3 70.2 70.1 70.0 69.9 69.8 69.8 69.8 69.8 69.7 69.6 69.6 69.6 69.6 69.5 69.4 69.2 69.3 70.0 17 69.2 69.1 69.0 69.0 68.9 68.9 68.7 68.6 68.5 68.5 68.3 68.1 68.0 67.9 67.8.67.8 67.6 67.4 67.2 67.2 67.1 67.0 67.0 M.9 68.1 18 66.8 66.8 66.7 66.7 66.6 66.5 66.4 66.3 66.2 66.0 66.2 66.3 66.4 M.4 66.5 66.5 66.6 M.8 66.9 66.9 M.9 66.8 M.7 M.6 66.6 19 M.6 66.6 66.5 66.4 66.3 66.2 66.0 66.0 65.8 65.8 65.9 65.9 65.9 67.9 68.1 68.3 68.5 68.5 68.5 68.5 68.4 68.3 68.I 67.9 67.1 20 67.7 67.6 67.5 67.2 67.1 67.0 66.8 66.6 66.5 66.5 66.5 66.5 66.5 66.6 66.6 M.6 66.5 M.4 M.4 66.3 66.2 66.1 66.1 H.1 M.7 21 66.1 66.1 66.1 66.1 66.0 66.0 66.0 66.0 65.9 66.0 66.1 M. I 66.1 M. I M.2 66.2 M. 2 66.2 66.2 M.1 66.0 M.0 65.9 65.9 66.1 22 65.9 65.9 65.9 65.9 65.9 65.9 65.8 65.8 65.7 65.6 65.7 65.7 65.6 65.6 65.7 65.7 65.6 65.6 65.5 65.5 65.4 65.4 65.3 65.2 65.7 23 65.2 65.2 65.2 65.2 65.2 65.I 65.1 65.0 64.9 64.9 64.9 65.0 65.1 65.1 65.2 65.5 65.6 65.6 65.6 65.5 65.3 65.1 65.0 M.9 65.2 24 64.8 64.8 64.7 64.6 64.6 64.6 64.5 64.5 64.5 64.6 64.8 65.1 65.4 65.7 65.9 65.8 65.8 65.8 65.7 65.7 65.7 65.7 65.7 65.8 65.2 25 65.8 65.7 65.6 65.5 65.5 65.4 65.4 65.3 65.2 65.2 65.3 65.3 65.5 65.7 65.8 65.9 66.1 M.1 65.9 65.7 65.6 65.3 65.1 65.1 65.5 26 65.0 65.0 64.9 64.9 65.0 65.1 65.2 65.2 65.3 65.4 65.5 65.6 65.7 65.9 M.0 66.0 66.0 65.9 65.8 65.7 65.6 65.5 65.3 65.1 65.4 27 65.0 M.8 64.6 64.6 64.6 64.6 64.5 64.6 64.6 64.5 64.5 64.5 64.6 64.7 64.8 64.7 64.7 64.8 64.8 64.7 M.7 M.7 64.6 64.6 64.7 28 64.6 64.5 64.5 64.4 64.3 64.I 64.0 63.8 63.8 63.8 64.0 64.1 64.4 64.5 64.6 64.6 64.7 M.7 64.7 M.6 64.7 M.7 M.7 64.6 64.4 29 64.6 64.6 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.6 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.6 64.6 M.5 64.4 M.3 64.1 M.6 30 M.0 63.8 63.7 63.9 63.6 63.6 63.6 63.6 63.6 63.5 63.6 63.8 64.3 64.4 64.3 64.4 64.5 M.5 64.6 64.4 64.3 M.1 M.0 63.8 64.0 MONTHLY AVERACE 67.0
~ ~ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ - --


TABLE 3.1-10 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 3 OCTOBER 1982 DAY                                                                                                                           DAILY HCUR AVERACE I   2               3 4 5 6   7   8   9   10   Il   12   13   14   15   16 17   18   19   20   21   22   23   24 1
TABLE 3.1-10 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 3 OCTOBER 1982 DAY DAILY HCUR AVERACE I
2  63.7 63.7 63.6 63.6 63.6 63.5 63.5 63.6 63.6 63.7 63.9 64.4 64.6 64.8 64.9 65.0 65.1 65.1 65.1 65.1 65.1 65.0 65.0         M.3 M.7 3 M.5 M.6 M.8 64.7 64.6 64.5 64.3 64.0 63.8 63.7 63.7 63.7 63.9 64.0 64.1 M.1 H.1 M.0 63.8 63.6 63.5 63.4 63.34.0              63.3 4 63.2 63.1 63.1 63.0 62.9 62.8 62.8 62.7 62.6 62.6 62.6 62.9 62.9 63.0 63.2 63.4 63.3 63.2 63.0 62.8 62.6 62.4 62.362.9      62.3 5  62.3 62.3 62.3 62.3 62.2 62.2 62.2 62.2 62.2 62.4 63.0 63.7 64.3 64.5 M.6 64.5 64.5 64.4 64.4 M.3 4.2 M.I M.0 63.9         63.4 6  63.9 63.7 63.6 63.4 63.5 63.1 62.9 62.8 62.7 62.7 62.7 62.9 63.0 63.1 63.2 63.3 63.5 63.4 63.2 63.0 62.7 62.5 63.1        62.3 62.2 7  62.2 62.2 62.2 62.2 62.2 62.2 62.3 62.3 62.5 62.7 63.2 63.5 63.7 63.8 64.0 64.1 64.3 64.3 64.3 M.3 64.1 M.0 63.8 63.3      63.7 8  63.6 63.6 63.5 63.4 63.4 63.3 63.3 63.2 63.2 63.2 63.4 63.6 63.S 64.1 64.3 64.5 64.6 64.5 64.4 64.2 63.9 63.7 63.5         63.7 63.3 9  63.1 63.0 63.0 62.9 62.9 62.9 62.8 62.7 62.1 62.7 62.8 62.9 63.4 63.9 64.0 63.9 63.8 63.7 63.7 63.7 63.5 63.4 63.3        63.5 63.4 10  63.3 63.2 63.0 62.8 62.6 62.4 62.3 62.2 62.1 62.1 62.2 62.9 63.3 63.1 63.0 63.0 62.9 62.9 62.8 62.7 62.4 62.2 62.6        62.1 61.9 b
2 3
w 11  61.7 61.7 61.6 61.5 61.3 61.1 61.0 60.8 60.7 60.6 60.6 60.8 61.1 61.5 61.8 61.9 61.9 61.7 61.4 61.3 61.4 61.7 61.4        61.7 61.6 12  61.4 61.3 61.1 61.0 60.8 60.6 60.4 60.2 60.2 60.1 60.2 60.3 60.6 61.0 61.5 61.8 61.9 61.8 61.4 60.9 61.0 61.2 61.2         61.0 61.2 3
4 5
13  61.1 61.1 61.0 60.8 60.6 60.4 60.2 60.0 59.9 59.9 59.9' 60.3 60.9 61.3 61.6 61.6 61.5 61.2 60.7 60.9 61.1 61.2 61.2       60.8 61.1 14  61.1 60.7 60.3 59.9 59.6 59.3 59.1 59.0 59.0 59.0 59.1. 59.2 59.1 59.0 59.0 58.9 58.9 58.8 58.7 58.6 58.5 58.559.2          58.5 58.5 15  58.5 58.4 58.4 58.3 58.3 58.2 58.1 58.1 58.2 58.6 58.7 58.6 58.4 58.4 58.4 58.5 58.5 58.5 58.4 58.4 58.3 58.2 58.4        58.1 58.0 16  58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.1 58.2 58.2 58.2 58.2 58.2 58.1 58.0 57.9 57.9 57.8 57.7 57.755.0      57.6 17  57.5 57.5 57.4 57.4 57.3 57.3 57.2 57.1 57.0 57.0 56.9 57.0 57.0 57.0 57.0 57.1 57.0 56.9 56.7 56.7 56.6 56.6 56.7       57.0 56.8 18  56.8 56.8 56.8 56.8 56.9 56.9 56.7 56.6 56.6 56.6 56.7 57.0 57.2 57.3 57.3 57.4 57.5 57.5 57.3 57.2 57.1 57.I 57.1       57.0 57.0 19  57.0 56.9 56.9 56.8 56.7 56.5 56.5 56.4 56.3 56.3 56.4 56.5 56.7 56.9 57.0 57.1 57.2 57.1 56.9 57.1 57.2 57.2             56.857.0 56.9 23  56.8 56.7 56.7 56.8 56.9 57.0 57.0 57.4 57.7 57.5 57.1 56.8 56.5 56.5 56.5 56.6 56.7 56.7 56.5 56.5 56.8 56.7             56.856.6 56.6 -
6 7
21  56.4 56.3 56.3 56.5 56.6 56.8 57.0 57.1 57.3 57.8 58.2 58.2 57.9 57.7 57.4 57.3 57.3 57.1 57.2 57.5 57.8 57.6 57.2         57.2 57.0 22  56.8 56.8 56.7 56.6 56.6 56.7 56.8 57.0 57.1 57.7 58.1 58.2 57.9 57.5 57.2 57.0 56.9 56.6 56.8 57.3 57.5 57.4             57.2 57.3 57.2 23  57.1 57.1 57.1 57.1 57.2 57.2 57.3 57.4 57.5 57.8 57.9 57.6 57.0 56.4 55.9 55.6 55.5 55.5 55.6 55.9 56.1 55.9             56.6 55.7 55.5 24  55.4 55.3 55.3 55.1 55.1 55.1 55.1 55.2 55.2 55.4 55.7 56.1 56.5 56.6 56.8 57.0 57.0 57.1 57.1 56.9 56.9 56.9 56.1        56.9 56.9 25  56.8 56.8 56.8 56.7 56.7 56.7 56.6 56.6 56.6 56.6 56.8 56.9 57.2 57.5 57.8 58.0 58.0 57.9 57.7 57.6 57.6 57.5             57.2 57.4 57.3 26  57,3 57.2 57.2 57.1 57.0 56.9 56.8 56.7 56.8 57.1 57.6 58.1 58.3 58.5 58.5 58.3 58.1 57.9 57.7 57.4 57.2 57.0 56.7 56.4   57.4 27  56.2 56.1 56.1 56.0 55.9 55.7 55.7 55.7 55.7 56.1 56.5 56.3 55.9 55.6 55.2 55.0 54.8 54.7 55.0 55.2 55.2 55.0             55.6 54.9 54.8 28  54.6 54.5 54.5 54.5 54.5 54.6 54.7 54.9 55.1 55.2 55.6 56.0 56.0 %.4 %.8 56.9 56.7 56.3 55.9 55.7 55.6 55.5               55.5 55.5 55.3 29  55.2 55.2 $5.2 55.2 55.6 55.7 55.6 55.4 55.3 55.7 56.1 56.2 56.6 56.9 57.0 57.I 57.0 56.9 56.7 56.5 56.456.1                56.3 56.2 56.1 33  56.1 56.0 56.0 56.0 55.9 55.9 55.9 55.9 56.0 56.0 56.5 56.8 57.0 57.2 57.8 57.9 58.0 57.9 57.8 57.6 57.456.8                57.4 57.3 57.2 31  57.2 57.0 57.0 56.9 56.9 56.9 56.8 56.8 56.7 56.7 56.8 56.8 57.0 57.3 57.6 57.7 57.7 57.6 57.4 57.2 57.1 57.0             57.1  57.0 57.0 57.0 57.0 57.0 57.1 57.2 57.2 57.3 57.4 $7.4 57.3 57.5 57.7 57.9 58.0 58.2 58.2 58.1 58.0 57.8 57.9 57.3 57.2             57.5 57.2 57.3 MONTHLY AVERACE 59.3
8 9
10 Il 12 13 14 15 16 17 18 19 20 21 22 23 24 1
63.7 63.7 63.6 63.6 63.6 63.5 63.5 63.6 63.6 63.7 63.9 64.4 64.6 64.8 64.9 65.0 65.1 65.1 65.1 65.1 65.1 65.0 65.0 M.7 M.3 2
M.5 M.6 M.8 64.7 64.6 64.5 64.3 64.0 63.8 63.7 63.7 63.7 63.9 64.0 64.1 M.1 H.1 M.0 63.8 63.6 63.5 63.4 63.3 63.3 4.0 3
63.2 63.1 63.1 63.0 62.9 62.8 62.8 62.7 62.6 62.6 62.6 62.9 62.9 63.0 63.2 63.4 63.3 63.2 63.0 62.8 62.6 62.4 62.3 62.3 62.9 4
62.3 62.3 62.3 62.3 62.2 62.2 62.2 62.2 62.2 62.4 63.0 63.7 64.3 64.5 M.6 64.5 64.5 64.4 64.4 M.3 4.2 M.I M.0 63.9 63.4 5
63.9 63.7 63.6 63.4 63.5 63.1 62.9 62.8 62.7 62.7 62.7 62.9 63.0 63.1 63.2 63.3 63.5 63.4 63.2 63.0 62.7 62.5 62.3 62.2 63.1 6
62.2 62.2 62.2 62.2 62.2 62.2 62.3 62.3 62.5 62.7 63.2 63.5 63.7 63.8 64.0 64.1 64.3 64.3 64.3 M.3 64.1 M.0 63.8 63.7 63.3 7
63.6 63.6 63.5 63.4 63.4 63.3 63.3 63.2 63.2 63.2 63.4 63.6 63.S 64.1 64.3 64.5 64.6 64.5 64.4 64.2 63.9 63.7 63.5 63.3 63.7 8
63.1 63.0 63.0 62.9 62.9 62.9 62.8 62.7 62.1 62.7 62.8 62.9 63.4 63.9 64.0 63.9 63.8 63.7 63.7 63.7 63.5 63.4 63.5 63.4 63.3 9
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I 12 49.7 49.9 50.4 51.0 St.4 51.6 51.8 52.1 52.3 52.8 53.0,52.1 51.0 50.2 49.6 49.4 49.4 49.4 49.4 49.6 49.6 49.7 49.8 49.9 50.6.
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e 13 49.9 49.8 49.8 49.9 49.9 49.7 49.6 50.5 52.0 51.8 55.7'' 49.8 49.5' 49.0 48.9' 3.7 48.5 48.5-48.4 48.3 48.2 48.0 48.0 48.0 49.4 1-14 47.9 47.7 47.6 47.5 48.2 48.5 48.7 48.7 48.2 47.6' 48.1 48.3 48.5 48.4 '48. i 48.2 48.0 47.8 47.7 47.5 47.3.47.1 47.1[47.8 47.9 15 47.2 47.1 46.8 46.7 46.5
: 4. 6
: 4. 7 46.7 46.8 4. 8 4.9 47.0 47.0 47.1 47.2 47,2 48.0 49.8 47.9 47.4 :47.2 47.2 47.2 47.2 "
47.2 I
~
16 47.2 47.1 46.9 47.0 47.0 47.4 48.0 49.1 50.0 49.1 48.4 47.8 47.8 47.5 47.5 47.3 47.4 47.3 46.7 4'4 44.1 45.8 45.7 45.6 47.3 17 45.7 45.7 46.0 46.3 46.5 47.1 47.4 47.9 48.4 47.9
$YSTDs INOPERATIVE,
18 SYSTDt IMOliRATIVE 46.5 45.6. 45.5 45.4 45.3 45.6 45.8 45.8 45.4 45.1 44.9 45.0 45.0 45.4 45 4 45.5 19 45.8 45.9 45.9 45.8 46.1 46.5 46.6 47.0 47.4 47.3 46.2 45.7 45.3 45.2 45.6 45.5 45.6 45.1 44.6 44.5 44.4 44.4 44.6 45.0 45.7 20 45.3 45.4 45.2 45.2 45.5 45.7 46.4 4.9 47.3 47.4 47.5 47.4 47.4 47.2 46.8 46.5 46.5 46.6 45.5 44.9 44.5 44.3 44.5 45.0 46.0 21 45.2 45.3 45.4 45.5 45.9 46.4 46.7 46.8 46.8 47.0 47.2 47.5 48.2 47.9 47.8 47.6 47.5 - 47'7 47.3 46.8 46.0 45.8 45.9 46.0 46.7 22 46.4 46.3 46.2 4.0 46.0 46.1 46.3 46.8 47.2 47.0 46.6 46.0 45.8 45.6 45.5 45.4 45.5 45.5 45.5 45.5 45.4 45.4 45.5 45.5 46.0 23 45.5 45.5 45.6 45.9 46.1 46.2 46.3 46.4 4.5 %.3 46.1 '46.0 46.0 45.9 45.6 45.5 45.4 45.4 45.4 45.3 45.3 45.2 45.2 45.2 45.7 24 45.2 45.2 45.3 45.4 45.7 46.3 4.8 47.3 47.8 48.5 47.7 46.6 46.1 45.9 45.8 45.5 45.5 45.4 45.3 45.2 45.1 45.0 44.8 44.7 45.9 2%
44.7 44.7 44.5 44.4 44.2 44.3 44.6 45.1 46.2 47.2 46.1 45.3 45.0 44.9 44.7 44.7 44.6 44.5 44.5 44.3 44.2 44.2 44.2' 44.2 44.8 20 44.2 44.3 44.2 44.3 44.4 44.4 45.6 46.1 47.1 47.1 46.0 45.0 44.5 44.3 44.4 44.0 43.9 43.8 43.8 43.7 43.5 43.4 43.3 43.4 44.5 27 43.4 43.4 43.4 43.2 43.3 43.3 43.8 44.6 45.8 47.2 45.7 44.6 43.8 43.6 43.4 43.3 43.0 42.8 42.7 42.6 42.4 42.1 42.0 42.0 43.6 28 42.1 42.0 42.0 42.0 41.9 41.9 42.1 42.6 43.0 43.4 44.2 45.1 44.3 42.8 42.0 41.7 41.5 41.5 41.4 41.3 41.2 41.1 41.0 40.9 42.2 29 40.8 40.7 40.6 41.0 41.2 41.0 41.2 41.3 41.0 40.7 40.6 40.6 40.7.40.7 40.7 40.7 41.0 41.6 41.2 40.0 40.7 40.6 40.6 41.0 40.9 33 41.0 41.3 42.0 42.7 43.4 43.9 44.2 44.6 45.4 45.4 45.0 43.3 42.4,42.4.42.0 41.8 41.7 41.7 41.6 41.6 41.5 41.5 41.6 41.5 42.6 MONTHLY AVERACE 48.8 l
1


s TABLE 3.1-12                                                             -
s TABLE 3.1-12 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANK!E SAMPIE' STATION NO. 3 DECEMBER 1982 DAT DAILY HOUR AVERACE I
AVERACE HOURLY TEMPERATURE IN *F VERMONT YANK!E SAMPIE' STATION NO. 3 DECEMBER 1982 DAT                                                                                                                                 DAILY HOUR AVERACE
2 3
  ,.                  I    2   3     4     5     6   7   8     9   10   11   12   13   14   15   16 17 18   19   20   21   22   23   24 1
4 5
2  41.6 41.6 41.6 41.8 42.7 43.5 44.1 44.4 44.7 45.1 44.3 43.4 42.I 42.0 41.9 41.8 41.8 41.7 41.7 41.6 41.6 41.5 41.5 41.4         42.5 3  '4!.5 41.3 41.4 41.7 42.2 42.8 43.5 43.8 44.5 45.3 44.4 42.7 42.0 41.8 41.7 41.8 41.8 41.7 41.7 41.6 41.5 41.4 41.3 41.3         42.3 4  41.3 41.4 41.6 41.8 41.9 42.3 42.9 43.7 44.3 43.9 42.7 42.3 42.2 42.1 42.2 42.2 42.2 42.2 42.2 42.1 42.2 42.2 42.2 42.2         42.3 5  42.3 42.3 42.6 42.9 43.0 42.9 42.8 42.6 42.5 42.5 42.5 42.5 42.5 42.7 42.6 42.6 42.6 42.5 42.5 42.4 42.5 42.5 42.6 42.6         42.6 6  42.7 42.7 42.7 42.7 42.7 42.6 42.7 43.2 44.4 45.1 44.2 43.6 43.3 43.1 43.0 42.9 42.9 42.9 42.8 42.7 42.7 42.7 42.7 42.7         43.1 7  42.7 42.6 42.6 42.8 43.2 44.1 45.0 45.7 46.1 45.5 44.4 43.9 43.7 43.7 43.6 43.6 43.6 43.4 43.4 43.3 43.2 43.2 43.2 43.2         43.7 8  43.3 43.2 43.2 43.3 43.3 43.5 44.3 45.0 45.8 46.8 45.8 44.4 43.8 43.8 43.9 44.0 44.0 43.9 43.9 43.8 43.7 43.6 43.6 43.6         44.1 9  43.7 43.7 43.6 43.7 43.6 44.1 44.7 45.6 46.7 45.7 44.5 44.1 44.1 44.3 44.4 44.6 44.5 44.6 43.7 43.4 43.3 43.1 42.9 42.9         44.1 I    10  42.9 41.2 41.2 43.0 41.1 43.4*,
6 7
411% 44.5 45.0 45.5 45.6 46.1 46.6 45.6 44.3 43.5 43.2 42.9 43.2 43.5 43.1 42.1 41.8 41.7 41.5 41.4 41.2         43.6 y    11  40.3 40.2 40.3 s.      .l.5 42.0 42.5 43.4 43.8 42.5 40.8 40.5 40.7 40.8 40.9 40.7 40.8 41.6 41.1 40.8 40.5 40.5 40.5 40.4 A.9   42.2 42.6 42.9 43.2 43.5 43.9 44.2 44.8 44.9 45.0 45.0 44.9 44.7 44.6 43.2 41.5 40.8 40.6 40.4 41.3 42.8 3     12   40.4 40.4 40.2 4' 13  44.5 44.4 44.2 4 * #
8 9
* 40.7 41.4 41.9 42.1 42.2 42.4 42.7 42.9 43.2 43.6 43.8 43.9 44.2 44.5 44.6 44.6 44.6 44.6 44.6           42.6 14  36.6 36.8 36.7  *    -T1* * - 43.9 43.9 44.2 43.6 40.7 38.5 38.0 37.9 37.9 37.8 37.5 37.2 37.1 37.1 37.0 36.7 36.5 36.5 36.5     40.0 15  37.1 37.1 37.2                i9 38.5 39.3 40.4 39.7 38.2 38.0 37.5 37.2 37.2 37.6 37.8 38.6 3?.8 37.7 37.4 37.1 37.0 36.9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
                                                  ** .a 37.8 16                                      38.7 39.0 39.6 40.7 40.9 40.7 40.2 39.6 39.0 38.9 39.3 39.4 37.5 36.6 36.2 36.0 35.9 35.6   38.3 35.4 35.5 35.4, u,4 35.i n.1 36.1 36.6 37.7 38.4 37.5 36.9 36.5 36.3 36.3 36.2 36.1 35.8 35.7 35.7 35.5 35.5 35.5 35.4           36.1 17   35.3 35.3 35.5 35.
41.6 41.6 41.6 41.8 42.7 43.5 44.1 44.4 44.7 45.1 44.3 43.4 42.I 42.0 41.9 41.8 41.8 41.7 41.7 41.6 41.6 41.5 41.5 41.4 42.5 2
18                        O h.J 35.3 35.2 35.2 35.3 35.4 35.5 35.5 35.6 35.6 35.6 35.6 35.4 35.3 35.1 35.0 34.8 34.7 34.7           35.3 19  %.6 34.5 %.4 34.3 32 33.8 33.7 33.4 33.3 33.5 33.7 33.8 34.0 34.1 34.1 33.8 33.5 33.3 33.3 33.3 33.2 33.2 33.3 33.3             33.7 20  33.5 33.8 33.9 34.5 34.8 34.9 34.9 35.0 35.4 35.2 34.7 34.3 34.2 34.2 34.2 34.2 34.2 34.1 34.2 34.1 34.1 34.1 34.1 34.1         34.4 21  34.2 34.2 34.5 34.9 35.1 35.0 35.0 35.1 34.9 34.4 34.2 34.1 34.2 34.2 34.4 34.6 34.5 34.4 34.2 34.1 34.0 34.1 34.0 34.1         34.4 22  %.2 34.4 34.6 34.9 35.0 35.0 35.0 35.1 35.1 35.0 34.5 34.3 34.3 34.4 34.5 34.6 34.7 34.7 34.4 34.3 34.2 34.2 34.1 34.1           34.6 23  34.2 %.3 34.6 34.9 35.0 34.9 35.0 35.1 35.1 35.1 34.6 34.4 34.4 34.4 34.4 34.3 34.3 34.3 34.2 34.2 34.1 34.0 34.0 34.0           34.5 24  33.9 33.9 33.8 33.9 34.1 34.3 35.2 37.6 38.2 36.4 35.2 34.7 34.4 34.4 34.3 34.3 34.6 35.6 34.8 34.3 34.1 34.1 34.1 34.0         34.8 25  33.9 %.0 34.2 34.6 35.2 35.8 36.5 37.1 37.9 39.2 38.6 37.0 35.8 35.1 34.9 34.9 35.2 35.4 34.9 34.4 34.3 34.2 34.2 34.3           35.5 26  %.4 %.3 %.5 34.7 35.1 35.6 36.0 36.4 36.8 37.4 38.8 39.2 38.5 37.5 36.7 36.1 35.8 35.4 35.2 34.7 34.4 34.2 34.1 34.2             35.8 27  34.4 %.5 34.6 34.7 35.0 35.3 35.7 36.0 36.5 36.9 36.7 36.1 35.5 35.2 35.0 35.0 34.9 34.8 34.7 34.6 34.5 34.5 34.6 34.6         35.2 26  %.5 %.5 34.5 %.5 34.5 34.5 34.5 34.5 34.6 34.5 34.4 34.4 34.5 34.5 34.5 34.5 34.5 34.4 34.3 34.3 34.3 34.2 34.2 34.2             34.4 29  34.3 34.3 34.3 34.4 34.5 34.5 34.6 34.6 34.6 34.7 34.9 34.8 34.9 34.9 35.0 35.0 35.0 35.0 34.9 34.9 35.0 35.0 35.1 35.2         34.8 30  35.3 35.4 35.8 35.9 36.0 36.1 36.1 36.1 36.0 35.9 35.9 36.0 36.0 36.1 36.1 36.1 36.0 36.0 35.9 35.9 35.8 35.7 35.7 35.7         35.9 31  35.7 35.6 35.6 35.7 35.6 35.6 35.6 35.6 35.6 35.6 35.7 35.8 35.8 35.8 35.8 35.8 35.7 35.6 35.5 35.4 35.3 35.1 35.1 35.1         35.6 35.1 35.1 35.1 35.1 35.3 35.4 35.4 35.4 35.3 35.2 35.2 35.3 35.3 35.4 35.5 35.6 35.6 35.6 35.7 35.8 35.9 35.9 35.9 36.0         35.5 MONTHLY AVERACE 38.4
'4!.5 41.3 41.4 41.7 42.2 42.8 43.5 43.8 44.5 45.3 44.4 42.7 42.0 41.8 41.7 41.8 41.8 41.7 41.7 41.6 41.5 41.4 41.3 41.3 42.3 3
41.3 41.4 41.6 41.8 41.9 42.3 42.9 43.7 44.3 43.9 42.7 42.3 42.2 42.1 42.2 42.2 42.2 42.2 42.2 42.1 42.2 42.2 42.2 42.2 42.3 4
42.3 42.3 42.6 42.9 43.0 42.9 42.8 42.6 42.5 42.5 42.5 42.5 42.5 42.7 42.6 42.6 42.6 42.5 42.5 42.4 42.5 42.5 42.6 42.6 42.6 5
42.7 42.7 42.7 42.7 42.7 42.6 42.7 43.2 44.4 45.1 44.2 43.6 43.3 43.1 43.0 42.9 42.9 42.9 42.8 42.7 42.7 42.7 42.7 42.7 43.1 6
42.7 42.6 42.6 42.8 43.2 44.1 45.0 45.7 46.1 45.5 44.4 43.9 43.7 43.7 43.6 43.6 43.6 43.4 43.4 43.3 43.2 43.2 43.2 43.2 43.7 7
43.3 43.2 43.2 43.3 43.3 43.5 44.3 45.0 45.8 46.8 45.8 44.4 43.8 43.8 43.9 44.0 44.0 43.9 43.9 43.8 43.7 43.6 43.6 43.6 44.1 8
43.7 43.7 43.6 43.7 43.6 44.1 44.7 45.6 46.7 45.7 44.5 44.1 44.1 44.3 44.4 44.6 44.5 44.6 43.7 43.4 43.3 43.1 42.9 42.9 44.1 9
42.9 43.0 43.4 41 % 44.5 45.0 45.5 45.6 46.1 46.6 45.6 44.3 43.5 43.2 42.9 43.2 43.5 43.1 42.1 41.8 41.7 41.5 41.4 41.2 43.6 I
10 41.2 41.2 41.1 *, 1
.l.5 42.0 42.5 43.4 43.8 42.5 40.8 40.5 40.7 40.8 40.9 40.7 40.8 41.6 41.1 40.8 40.5 40.5 40.5 40.4 41.3 y
11 40.3 40.2 40.3 s.
A.9 42.2 42.6 42.9 43.2 43.5 43.9 44.2 44.8 44.9 45.0 45.0 44.9 44.7 44.6 43.2 41.5 40.8 40.6 40.4 42.8 3
12 40.4 40.4 40.2 4'
#
* 40.7 41.4 41.9 42.1 42.2 42.4 42.7 42.9 43.2 43.6 43.8 43.9 44.2 44.5 44.6 44.6 44.6 44.6 44.6 42.6 13 44.5 44.4 44.2 4
- * * - 43.9 43.9 44.2 43.6 40.7 38.5 38.0 37.9 37.9 37.8 37.5 37.2 37.1 37.1 37.0 36.7 36.5 36.5 36.5 40.0 14 36.6 36.8 36.7 T1 i9 38.5 39.3 40.4 39.7 38.2 38.0 37.5 37.2 37.2 37.6 37.8 38.6 3?.8 37.7 37.4 37.1 37.0 36.9 37.8 15 37.1 37.1 37.2
**.a 38.7 39.0 39.6 40.7 40.9 40.7 40.2 39.6 39.0 38.9 39.3 39.4 37.5 36.6 36.2 36.0 35.9 35.6 38.3 16 35.4 35.5 35.4, u,4 35.i n.1 36.1 36.6 37.7 38.4 37.5 36.9 36.5 36.3 36.3 36.2 36.1 35.8 35.7 35.7 35.5 35.5 35.5 35.4 36.1 17 35.3 35.3 35.5 35.
O h.J 35.3 35.2 35.2 35.3 35.4 35.5 35.5 35.6 35.6 35.6 35.6 35.4 35.3 35.1 35.0 34.8 34.7 34.7 35.3 18
%.6 34.5 %.4 34.3 32 33.8 33.7 33.4 33.3 33.5 33.7 33.8 34.0 34.1 34.1 33.8 33.5 33.3 33.3 33.3 33.2 33.2 33.3 33.3 33.7 19 33.5 33.8 33.9 34.5 34.8 34.9 34.9 35.0 35.4 35.2 34.7 34.3 34.2 34.2 34.2 34.2 34.2 34.1 34.2 34.1 34.1 34.1 34.1 34.1 34.4 20 34.2 34.2 34.5 34.9 35.1 35.0 35.0 35.1 34.9 34.4 34.2 34.1 34.2 34.2 34.4 34.6 34.5 34.4 34.2 34.1 34.0 34.1 34.0 34.1 34.4 21
%.2 34.4 34.6 34.9 35.0 35.0 35.0 35.1 35.1 35.0 34.5 34.3 34.3 34.4 34.5 34.6 34.7 34.7 34.4 34.3 34.2 34.2 34.1 34.1 34.6 22 34.2 %.3 34.6 34.9 35.0 34.9 35.0 35.1 35.1 35.1 34.6 34.4 34.4 34.4 34.4 34.3 34.3 34.3 34.2 34.2 34.1 34.0 34.0 34.0 34.5 23 33.9 33.9 33.8 33.9 34.1 34.3 35.2 37.6 38.2 36.4 35.2 34.7 34.4 34.4 34.3 34.3 34.6 35.6 34.8 34.3 34.1 34.1 34.1 34.0 34.8 24 33.9 %.0 34.2 34.6 35.2 35.8 36.5 37.1 37.9 39.2 38.6 37.0 35.8 35.1 34.9 34.9 35.2 35.4 34.9 34.4 34.3 34.2 34.2 34.3 35.5 25
%.4 %.3 %.5 34.7 35.1 35.6 36.0 36.4 36.8 37.4 38.8 39.2 38.5 37.5 36.7 36.1 35.8 35.4 35.2 34.7 34.4 34.2 34.1 34.2 35.8 26 34.4 %.5 34.6 34.7 35.0 35.3 35.7 36.0 36.5 36.9 36.7 36.1 35.5 35.2 35.0 35.0 34.9 34.8 34.7 34.6 34.5 34.5 34.6 34.6 35.2 27
%.5 %.5 34.5 %.5 34.5 34.5 34.5 34.5 34.6 34.5 34.4 34.4 34.5 34.5 34.5 34.5 34.5 34.4 34.3 34.3 34.3 34.2 34.2 34.2 34.4 26 34.3 34.3 34.3 34.4 34.5 34.5 34.6 34.6 34.6 34.7 34.9 34.8 34.9 34.9 35.0 35.0 35.0 35.0 34.9 34.9 35.0 35.0 35.1 35.2 34.8 29 35.3 35.4 35.8 35.9 36.0 36.1 36.1 36.1 36.0 35.9 35.9 36.0 36.0 36.1 36.1 36.1 36.0 36.0 35.9 35.9 35.8 35.7 35.7 35.7 35.9 30 35.7 35.6 35.6 35.7 35.6 35.6 35.6 35.6 35.6 35.6 35.7 35.8 35.8 35.8 35.8 35.8 35.7 35.6 35.5 35.4 35.3 35.1 35.1 35.1 35.6 31 35.1 35.1 35.1 35.1 35.3 35.4 35.4 35.4 35.3 35.2 35.2 35.3 35.3 35.4 35.5 35.6 35.6 35.6 35.7 35.8 35.9 35.9 35.9 36.0 35.5 MONTHLY AVERACE 38.4


TABLE 3.2-1 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKIE SAMPLE STATION NO. 7 JANUARY 1982 DAILY DAY                                                               HOUR                                                                     AVERACE             !
TABLE 3.2-1 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKIE SAMPLE STATION NO. 7 JANUARY 1982 DAILY DAY HOUR AVERACE l
l 1   2     3 4   5   6     7   8   9   10   11   12   13   14 15     16 17   18   19       20 21   22             23   24 1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0                   32.0 2 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0                   32.0 3 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1                   32.0 4 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0                   32.0 5 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0                   32.0 6 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0                   32.0 7 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0                   32.0 8 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0                   32.0 9 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.2 32.0 32.1 32.0 32.0 32.1                   32.0
1 2
        , 10   32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 v3 11   32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2                   32.1 c4 12   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.1 32.2 32.2 32.2 32.1 32.1 32.1                   32.1 3
3 4
13   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 14   32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1                   32.0 15   32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 16   32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1                   32.1 17   32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.0 18   32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1                   32.1 19   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 20   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 21   32.1 32.1 32.1 32.0 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 22   32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1                   32.1 23   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1                   32.1 24   32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1                   32.I 25   32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 26   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1                   32.1 27   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 3*.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2                   32.1 28   32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1                   32.2 29   32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.1 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.1                   32.1 30   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 . 32.1 32.1 32.1                 32.1 31   32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.0                   32.1 MONTHLY AVERACE             32.1
5 6
______                  m__~                                                                                   _ _ _ _ . _. . . . . . . . . __            _ ________a
7 8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 2
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 3
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 4
32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 5
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 6
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 7
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 8
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 9
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.2 32.0 32.1 32.0 32.0 32.1 32.0 10 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 11 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 v3 c4 12 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.1 32.2 32.2 32.2 32.1 32.1 32.1 32.1 3
13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 14 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.0 15 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 16 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 17 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 18 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1 19 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 20 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 21 32.1 32.1 32.1 32.0 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 22 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 24 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.I 25 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 26 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 27 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 3*.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.1 28 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.2 29 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.1 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.1 32.1 30 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1. 32.1 32.1 32.1 32.1 31 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.0 32.1 MONTHLY AVERACE 32.1 m__~
________a


TABLE 3.2-2 AVERACE NOURLY TRMPERATURE IN 'F VERMONT YANKEE SAMP!.E STATION NO. 7 FEBRUARY 1982 DAY DAILY HOUR                                                         AVERAGE 1   2   3   4   5     6   7     8   9   10   11   12   13   14   15   16 17   18   19   20   21   22   23 - 24 1
TABLE 3.2-2 AVERACE NOURLY TRMPERATURE IN 'F VERMONT YANKEE SAMP!.E STATION NO. 7 FEBRUARY 1982 DAILY DAY HOUR AVERAGE 1
2 32.0 32.0 32.0 32.1 .32.1 32.1. 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 ~ 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1   32.1 3
2 3
32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.0 32.0 .       32.0 4
4 5
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.0 32.1 32.0 32.1 32.0 32.0       -32.0 5
6 7
32.0 32.0 32.0 32.0 32.0 32.0 32.0.32.0 32.0 32.0 32.0 32.0 32.0 '32.0 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0       32.0 6
8 9
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0         32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 .32.0 32.0 ,32.0 32.0,32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0. 32.0 32.0 32.0     32.0 7
10 11 12 13 14 15 16 17 18 19 20 21 22 23 - 24 1
8 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 .32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0       32.0 9
32.0 32.0 32.0 32.1.32.1 32.1. 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 ~ 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 2
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0       32.0 10 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 '32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0- 32.0     32.0 g
32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.0 32.0.
La  11 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1       32.0
32.0 3
%J  12 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 I
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.0 32.1 32.0 32.1 32.0 32.0
13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 '32.1 32.1 32.1 32.2 32.1 32.2 32.2 32.1 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1       32.1 14 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 15 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 16 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 17 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 18 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 19 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 -32.1 .32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1     32.1 20 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.0 32.1- 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 21 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 22 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I       32.1 24 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 J2.1 32.1 32.1 32.1 32.1 32.l 32.1 32.1 32.1 32.1 32.1       32.1 25 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 : 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1. 32.1 26 32.1 32.1 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.2 32.1 32.1 32.1 32.1       32.1 27 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 .32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 28 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1       32.1 32.1 32.1 32.1 32.1 32.1 34.1 32.1 32.1 32.1 32.1 .32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1       32.1 MONTHLY AVERACE   32.1
-32.0 4
32.0 32.0 32.0 32.0 32.0 32.0 32.0.32.0 32.0 32.0 32.0 32.0 32.0 '32.0 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 5
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 6
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0.32.0 32.0,32.0 32.0,32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0. 32.0 32.0 32.0 32.0 7
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0.32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 8
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 9
32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 '32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0- 32.0 32.0 10 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.0 g
La 11 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1
%J 12 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 '32.1 32.1 32.1 32.2 32.1 32.2 32.2 32.1 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 I
13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 14 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 15 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 16 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 17 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 18 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 -32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 19 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.0 32.1-32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 20 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 21 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 22 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 J2.1 32.1 32.1 32.1 32.1 32.l 32.1 32.1 32.1 32.1 32.1 32.1 24 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 : 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1.
32.1 25 32.1 32.1 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 26 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 27 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 28 32.1 32.1 32.1 32.1 32.1 34.1 32.1 32.1 32.1 32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 MONTHLY AVERACE 32.1


s e
s e
TABLE 3.2-3 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 NARCH 1982 DAILY DAY                                                               HOUR                                                           AVERACE 1     2             3' 4 5 6   7   8   9   10   11   12   13     14 15   16 17   18_     19 20   21   22   23 , 24 -
TABLE 3.2-3 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 NARCH 1982 DAILY DAY HOUR AVERACE 1
1 32.1 32.1 32.1 32.1 ~32.1 32.1 32.1 32.1 32.1.32.1 32.2 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 2
2 3'
32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 3
4 5
32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1'32.1 32.1 32.1 32.1         32.1 4 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 5
6 7
32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 '32.1 32.1 32.1 32.1 32.1 32.0         32.1 6
8 9
32.1 32.0 32.0 32.0 .32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 7
10 11 12 13 14 15 16 17 18_
32.1 32.1 32.1 32.0 32.0 - 32.0 32.0 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1       32.1 8 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.0 '32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 9
19 20 21 22 23, 24 -
32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.!'32.1 32.1 32.1 32.1 .32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 g   10 32.1 32.1 32.1 32.!_ 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1         32.8 La   11 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.0 32.4 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1         32.0 00
1 32.1 32.1 32.1 32.1 ~32.1 32.1 32.1 32.1 32.1.32.1 32.2 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 2
            '  12 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1         32.1 -
32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 3
14 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 ^32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1         32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I' 32.1 32.2 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.2 32.2 32.2 32.2 15                                                                                                                                  32.2 16 32.2 32.2 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2         32.2 17 32.2 32.2 32.1 32.1 32.1 3J.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1         32.1 18 32.1 32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2         32.1 19 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 ~32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1         32.1 20 32.1 32.1 32.1 32.2 32.2 32.1 32.1 32.2 .32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2         32.2 -
32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1'32.1 32.1 32.1 32.1 32.1 4
21 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.1 32.2 32.1 32.2 32.1 32.1 32.1         32.1 22 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2         32.2 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.2         32.2 24 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 -32.3 32.3 32.3 32.3 32.4 32.3 32.3 32.3 32.3 32.3 32.2         32.2 25 32.2 32.2 32.2 32.1 32.1 32.1 32.1 32.2 32.2 32.3 32.3 32.2 32.3 32.3 32.3 32.4 32.4 32.4 32.4 32.4 32.3 32.3 32.2 32.2       .32.3 26 32.2 32.2 32.2 32.3 32.2 32.2 32.2 32.2 32.1 32.2 32.3 '32.3 32.3 32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 32.1 32.1 32.1         32.2 27 32.1 32.0 32.0 .32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1         32.1 28 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.2 32.2 32.2 32.2 32.3 32.3 32.2'32.2 32.1 32.1 '32.1 32.1 '32.1 32.1       -32.1 29 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.3 32.4 32.4 32.4 32.4 32.4 32.5 32.6 32.6 32.6 32.6 32.5         32.3 30 32.4 32.4 32.3 32.3 32.2 32.1 32.1 32.1 32.2 32.2 32.4 32.5 32.7 32.8 32.9 33.0 33.0 33.0 33.0 33.0 33.1 33.1 33.2 33.1         32.6' 31 33.0 33.0 32.9 32.9 32.8 32.7 32.7 32.7 32.7 32.7 32.7 32.6. 32.7 32.8 32.8 32.8 32.8 32.9 32.8 32.9 33.0 33.1 33.1 33.0         32.8 MONTHLY AVERACE     32.2
32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 5
32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 '32.1 32.1 32.1 32.1 32.1 32.0 32.1 6
32.1 32.0 32.0 32.0.32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 7
32.1 32.1 32.1 32.0 32.0 - 32.0 32.0 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 8
32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.0 '32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 9
32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.!'32.1 32.1 32.1 32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 g
10 32.1 32.1 32.1 32.!_ 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.8 La 11 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.0 32.4 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.0 00 12 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 -
14 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 ^32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 15 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I' 32.1 32.2 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 16 32.2 32.2 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 17 32.2 32.2 32.1 32.1 32.1 3J.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 18 32.1 32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 19 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 ~32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 20 32.1 32.1 32.1 32.2 32.2 32.1 32.1 32.2.32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2 -
21 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.1 22 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2 24 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 -32.3 32.3 32.3 32.3 32.4 32.3 32.3 32.3 32.3 32.3 32.2 32.2 25 32.2 32.2 32.2 32.1 32.1 32.1 32.1 32.2 32.2 32.3 32.3 32.2 32.3 32.3 32.3 32.4 32.4 32.4 32.4 32.4 32.3 32.3 32.2 32.2
.32.3 26 32.2 32.2 32.2 32.3 32.2 32.2 32.2 32.2 32.1 32.2 32.3 '32.3 32.3 32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 32.1 32.1 32.1 32.2 27 32.1 32.0 32.0.32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1 32.1 28 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.2 32.2 32.2 32.2 32.3 32.3 32.2'32.2 32.1 32.1 '32.1 32.1 '32.1 32.1
-32.1 29 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.3 32.4 32.4 32.4 32.4 32.4 32.5 32.6 32.6 32.6 32.6 32.5 32.3 30 32.4 32.4 32.3 32.3 32.2 32.1 32.1 32.1 32.2 32.2 32.4 32.5 32.7 32.8 32.9 33.0 33.0 33.0 33.0 33.0 33.1 33.1 33.2 33.1 32.6' 31 33.0 33.0 32.9 32.9 32.8 32.7 32.7 32.7 32.7 32.7 32.7 32.6. 32.7 32.8 32.8 32.8 32.8 32.9 32.8 32.9 33.0 33.1 33.1 33.0 32.8 MONTHLY AVERACE 32.2


TABLE 3.2-4 AVERACE HOURLY TEMPERATURE IN *F VERMONT YAFKEE SAMPLE STATION NO. 7 APRIL 1982 DAY                                                                                                                             DAILY HOUR AVERACE I     2   3   4   5     6   7     8 9   10   11   12   13   14 15   16 17   18   19   20   21   22   23   24 1
TABLE 3.2-4 AVERACE HOURLY TEMPERATURE IN *F VERMONT YAFKEE SAMPLE STATION NO. 7 APRIL 1982 DAY DAILY HOUR AVERACE I
2  32.9 32.9 32.9 32.9 32.9 33.0 32.8 32.9 33.1 33.3 33.5 33.8 34.1 34.4 34.7 34.9 35.1 35.2 35.1 34.9 34.7 34.6 34.5 34.4     33.9 3  34.2 33.9 33.6 33.4 33.2 33.0 32.9 32.8 '32.8' 33.0 33.0 33.3 33.6 33.8 34.1 34.4 34.6 34.6 34.7 34.7 34.7 34.7 34.7 34.6   33.8 4  34.5 34.4 34.4. 34.6 34.8 34.9 35.0 35.0 35.1 35.3 35.4 35.4 35.5 35.6 35.7 35.8 35.8 35.9 35.9 36.1 36.1 36.0 35.9 35.8     35.4 5  35.7 35.5 35.4 35.3 35.3 35.3 35.3 35.3 35.3 35.4 35.5 35.6 35.8 35.8 35.8 35.9 35.9 35.9 35.8 35.7 35.6 35.4 35.2 35.0     35.5 6  34.8 34.7 34.6 34.5 34.3 34.2 34.2 34.1 34.0 34.1 34.3 34.5 34.8 35.0 35.2 35.5 35.5 35.6 35.6 35.5 35.4 35.3 35.2 35.0     34.8 7  34.9 34.8 34.7 34.6 34.6 34.4 34.3 34.2 34.1 33.9 33.7 33.6 33.4 33.3 33.2 33.1 32.9 32.8 32.7 32.6 32.5 32.5 32.4 32.4     33.6 8  32.4 32.3 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.3 32.2 32.2 32.1 32.I 32.1 32.1 32.0 32.1     32.2 9  12.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.2 32.3 32.4 32.5 32.5 32.6 32.5 32.4 32.4 32.3 32.3 32.3 32.3 32.3 32.3     32.2 10  32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.5 32.6 32.8 32.9 33.0 33.1 33.1 33.1 33.1 33.0 33.1 33.1 33.2 33.2     32.7 h  !!
2 3
33.3 33.3 33.4 33.4 33.4 33.4 33.3 33.2 33.0 32.9 32.9 33.0 33.2 33.3 33.4 33.5 33.7 33.8 33.9 34.0 34.0 33.9 33.9 33.8     33.5 W  12  33.9 34.0 34.1 34.0 33.9 33.8 33.6 33.5 33.5 33.5 33.7 33.8 34.0 34.3 34.7 35.0 35.4 35.6 35.8 35.9 35.8 35.8 35.7 35.7     34.5 5
4 5
13  35.7 35.7 35.8 35.9 36.0 35.9 36.0 36.0 36.0 35.9 36.0 36.2 36.4 36.4 36.6 36.8 36.9 37.I 37.1 37.0 36.9 36.8 36.7 36.7     36.4 14  36.6 36.7 36.7 36.7 36.7 36.7 36.6 36.6 36.5 36.5 36.6 36.7 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.7 36.6 36.5     36.7 15  36.5 36.5 36.6 36.7 36.7 36.7 36.6 36.6 36.7 36.8 37.0 37.2 37.5 37.8 38.1 38.5 38.7 38.9 39.0 38.9 38.9 38.9 38.8 38.7     37.6 16  38.6 38.6 38.5 38.5 38.4 38.2 38.0 37.9 37.9 37.9 38.1 38.3 38.5 38.8 39.1 39.4 39.6 39.9 40.1 40.3 40.4 40.5 40.4 40.5     39.0 17  40.4 40.3 40.2 40.0 39.8 39.6 39.4 39.2 39.2 39.2 39.4 39.6 39.9 40.2 40.5 40.8 41.1 41.3 41.6 41.8 42.0 42.1 42.0 41.8     40.5 18  41.6 41.3 41.1 40.8 40.7 40.5 40.4 40.3 40.3 40.3 40.4 40.5 40.6 40.8 41.0 41.1 41.3 41.5 41.6 41.5 41.4 41.3 41.2 41.2     40.9 19  41.2 41.1 41.1 41.1 40.9 40.8 40.6 40.5 40.5 40.5 40.5 40.5 40.5 40.6 40.7 40.8 40.9 40.9 41.0 41.0 40.9 40.8 40.7 40.5     40.8 20  40.3 40.0 39.7 39.4 39.2 39.0 38.9 38.8 38.8 38.9 39.1 39.3 39.4 39.6 39.7 39.8 39.9 40.0 40.1 40.2 40.3 40.4 40.5 40.4     39.7 21 40.2 40.1 39.9 39.7 39.5 39.4 39.3 39.2 39.2 39.3 39.5 39.6 39.9 40.1 40.3 40.6 40.9 41.0 41.2 41.3 41.2 41.2 41.2 41.2     40.2 22  41.1 41.0 41.0 41.0 41.0 41.0 41.0 40.9 40.9 40.9 ~ 40.9 41.0 41.2 41.3 41.4 41.6 41.7 41.7 41.8 41.7 41.6 41.5 41.4 41.2   41.2 23  41.1 41.0 40.8 40.6 40.5 40.4 40.3 40.3 40.3 40.5 40.6 40.7 40.8 40.8 40.9 40.9 40.9 40.9 40.8 40.7 40.6 40.4 40.3 40.1     40.6 24  39.9 39.7 39.5 39.4 39.2 39.1 39.1 38.9 38.9 39.0 39.1 39.3 39.5 39.7 39.9 40.2 40.3 40.3 40.3 40.1 40.0 39.9 39.8 39.7     39.6 25  39.6 41.2 41.3 39.6 39.5 39.4 39.4 39.4 39.4 39.5 39.6 39.8 40.2 40.6 40.9 41.4 41.7 42.0 42.1 42.1 42.1 42.0 41.8 41.8 41.6' 41.4   40.7 26                  41.1 41.1 41.0 41.0 41.1 41.3 41.6 41.9 42.3 42.6 43.0 43.4 43.7 43.8 43.9 43.9 43.8 43.7 43.5 43.3 43.2     42.5 27  43.1 43.1 43.1 43.0 43.1 43.1 43.1 43.3 43.4 43.6 43.8 44.0 44.2 44.4 44.5 44.6 44.6 44.5 44.5 44.5 44.5 44.6 44.7 44.8     43.9 28  44.8 44.9 44.9 44.8 44.8 44.8 44.7 44.7 44.7 44.8 44.9 45.0 45.2 45.3 45.4 45.4 45.4 45.4 45.3 45.2 45.1 45.0 44.9 44.8     45.0 29  44.7 44.6 44.5 44.5 44.4 44.3 44.3 44.3 44.2 44.2 44.I 44.1 44.1 44.2 44.4'44.5 44.6 44.7 44.6 44.5 44.4 44.2 44.1 44.0     44.4 30  43.9 43.8 43.7 43.6 43.6 43.5 43.4 43.4 43.4 43.5 43.6 43.7 43.9 44.2 44.4 44.6 44.7 44.8 44.8 44.7 44.6 44.4 44.3 44.3     44.0 44.0 43.9 43.8 43.7 43.6 43.5 43.5 43.5 43.5 43.6 43.7 43.9 44.1 44.4 44.6 44.8 44.9 44.9 44.9 45.0 45.0 45.0 45.0 44.9     44.2
6 7
                                              .                                                                    MONTHLY AVERACE 38.3
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
32.9 32.9 32.9 32.9 32.9 33.0 32.8 32.9 33.1 33.3 33.5 33.8 34.1 34.4 34.7 34.9 35.1 35.2 35.1 34.9 34.7 34.6 34.5 34.4 33.9 2
34.2 33.9 33.6 33.4 33.2 33.0 32.9 32.8 '32.8' 33.0 33.0 33.3 33.6 33.8 34.1 34.4 34.6 34.6 34.7 34.7 34.7 34.7 34.7 34.6 33.8 3
34.5 34.4 34.4. 34.6 34.8 34.9 35.0 35.0 35.1 35.3 35.4 35.4 35.5 35.6 35.7 35.8 35.8 35.9 35.9 36.1 36.1 36.0 35.9 35.8 35.4 4
35.7 35.5 35.4 35.3 35.3 35.3 35.3 35.3 35.3 35.4 35.5 35.6 35.8 35.8 35.8 35.9 35.9 35.9 35.8 35.7 35.6 35.4 35.2 35.0 35.5 5
34.8 34.7 34.6 34.5 34.3 34.2 34.2 34.1 34.0 34.1 34.3 34.5 34.8 35.0 35.2 35.5 35.5 35.6 35.6 35.5 35.4 35.3 35.2 35.0 34.8 6
34.9 34.8 34.7 34.6 34.6 34.4 34.3 34.2 34.1 33.9 33.7 33.6 33.4 33.3 33.2 33.1 32.9 32.8 32.7 32.6 32.5 32.5 32.4 32.4 33.6 7
32.4 32.3 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.3 32.2 32.2 32.1 32.I 32.1 32.1 32.0 32.1 32.2 8
12.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.2 32.3 32.4 32.5 32.5 32.6 32.5 32.4 32.4 32.3 32.3 32.3 32.3 32.3 32.3 32.2 9
32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.5 32.6 32.8 32.9 33.0 33.1 33.1 33.1 33.1 33.0 33.1 33.1 33.2 33.2 32.7 10 33.3 33.3 33.4 33.4 33.4 33.4 33.3 33.2 33.0 32.9 32.9 33.0 33.2 33.3 33.4 33.5 33.7 33.8 33.9 34.0 34.0 33.9 33.9 33.8 33.5 h
33.9 34.0 34.1 34.0 33.9 33.8 33.6 33.5 33.5 33.5 33.7 33.8 34.0 34.3 34.7 35.0 35.4 35.6 35.8 35.9 35.8 35.8 35.7 35.7 34.5 W
12 35.7 35.7 35.8 35.9 36.0 35.9 36.0 36.0 36.0 35.9 36.0 36.2 36.4 36.4 36.6 36.8 36.9 37.I 37.1 37.0 36.9 36.8 36.7 36.7 36.4 5
13 36.6 36.7 36.7 36.7 36.7 36.7 36.6 36.6 36.5 36.5 36.6 36.7 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.7 36.6 36.5 36.7 14 36.5 36.5 36.6 36.7 36.7 36.7 36.6 36.6 36.7 36.8 37.0 37.2 37.5 37.8 38.1 38.5 38.7 38.9 39.0 38.9 38.9 38.9 38.8 38.7 37.6 15 38.6 38.6 38.5 38.5 38.4 38.2 38.0 37.9 37.9 37.9 38.1 38.3 38.5 38.8 39.1 39.4 39.6 39.9 40.1 40.3 40.4 40.5 40.4 40.5 39.0 16 40.4 40.3 40.2 40.0 39.8 39.6 39.4 39.2 39.2 39.2 39.4 39.6 39.9 40.2 40.5 40.8 41.1 41.3 41.6 41.8 42.0 42.1 42.0 41.8 40.5 17 41.6 41.3 41.1 40.8 40.7 40.5 40.4 40.3 40.3 40.3 40.4 40.5 40.6 40.8 41.0 41.1 41.3 41.5 41.6 41.5 41.4 41.3 41.2 41.2 40.9 18 41.2 41.1 41.1 41.1 40.9 40.8 40.6 40.5 40.5 40.5 40.5 40.5 40.5 40.6 40.7 40.8 40.9 40.9 41.0 41.0 40.9 40.8 40.7 40.5 40.8 19 40.3 40.0 39.7 39.4 39.2 39.0 38.9 38.8 38.8 38.9 39.1 39.3 39.4 39.6 39.7 39.8 39.9 40.0 40.1 40.2 40.3 40.4 40.5 40.4 39.7 20 40.2 40.1 39.9 39.7 39.5 39.4 39.3 39.2 39.2 39.3 39.5 39.6 39.9 40.1 40.3 40.6 40.9 41.0 41.2 41.3 41.2 41.2 41.2 41.2 40.2 21 41.1 41.0 41.0 41.0 41.0 41.0 41.0 40.9 40.9 40.9 ~ 40.9 41.0 41.2 41.3 41.4 41.6 41.7 41.7 41.8 41.7 41.6 41.5 41.4 41.2 41.2 22 41.1 41.0 40.8 40.6 40.5 40.4 40.3 40.3 40.3 40.5 40.6 40.7 40.8 40.8 40.9 40.9 40.9 40.9 40.8 40.7 40.6 40.4 40.3 40.1 40.6 23 39.9 39.7 39.5 39.4 39.2 39.1 39.1 38.9 38.9 39.0 39.1 39.3 39.5 39.7 39.9 40.2 40.3 40.3 40.3 40.1 40.0 39.9 39.8 39.7 39.6 24 39.6 39.6 39.5 39.4 39.4 39.4 39.4 39.5 39.6 39.8 40.2 40.6 40.9 41.4 41.7 42.0 42.1 42.1 42.1 42.0 41.8 41.8 41.6' 41.4 40.7 25 41.3 41.2 41.1 41.1 41.0 41.0 41.1 41.3 41.6 41.9 42.3 42.6 43.0 43.4 43.7 43.8 43.9 43.9 43.8 43.7 43.5 43.3 43.2 42.5 26 43.1 43.1 43.1 43.0 43.1 43.1 43.1 43.3 43.4 43.6 43.8 44.0 44.2 44.4 44.5 44.6 44.6 44.5 44.5 44.5 44.5 44.6 44.7 44.8 43.9 27 44.8 44.9 44.9 44.8 44.8 44.8 44.7 44.7 44.7 44.8 44.9 45.0 45.2 45.3 45.4 45.4 45.4 45.4 45.3 45.2 45.1 45.0 44.9 44.8 45.0 28 44.7 44.6 44.5 44.5 44.4 44.3 44.3 44.3 44.2 44.2 44.I 44.1 44.1 44.2 44.4'44.5 44.6 44.7 44.6 44.5 44.4 44.2 44.1 44.0 44.4 29 43.9 43.8 43.7 43.6 43.6 43.5 43.4 43.4 43.4 43.5 43.6 43.7 43.9 44.2 44.4 44.6 44.7 44.8 44.8 44.7 44.6 44.4 44.3 44.3 44.0 30 44.0 43.9 43.8 43.7 43.6 43.5 43.5 43.5 43.5 43.6 43.7 43.9 44.1 44.4 44.6 44.8 44.9 44.9 44.9 45.0 45.0 45.0 45.0 44.9 44.2 MONTHLY AVERACE 38.3


TABLE 3.2-5 AVERACE HOURLY TEHFERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 KAY 1982 DAILY DAY                                                               H0UR                                                         . AVERACF.
TABLE 3.2-5 AVERACE HOURLY TEHFERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 KAY 1982 DAILY DAY H0UR
I   2   3   4         5 6   7   8   9   10   11   12   13   14   15   16 17 18   19   20   21   22   23   24 1
. AVERACF.
2 44.9 44.8 44.7 44.7 44.6 44.5 44.3 44.2 44.2 44.2 44.4 44.5 44.7 44.9 45.3 45.6 45.8 46.0 46.3 46.4 46.4 46.5 46.4 46.4       45.2 3
I 2
46.3 46.2 45.9 45.8 45.6 45.4 45.3 45.1 45.1 45.1 45.2 45.5 45.9 46.1 46.1 46.2 46.4 46.7 46.9 47.0 47.1 47.1 47.1 47.0       46.1 4
3 4
46.9 46.9 47.0 47.0 47.0 46.9 46.8 46.8 46.8 46.8 46.9 47.0 47.1 47.3 47.4 47.4 47.5 47.5 47.5 47.5 47.5 47.6 47.7 47.7       47.2 5
5 6
47.7 47.7 47.6 47.6 47.6 47.7 47.7 47.8 47.8 47.9 48.3 48.1 48.2 48.3 48.4 48.4 48.4 48.4 48.4 48.5 48.5 48.6 48.5 48.5       48.1 48.5 48.4 48.3 48.2 48.1 48.0 47.8 47.8 47.7 47.9 48.0 48.1 48.3 48.5 48.7 48.9 49.1 49.2 49.3 49.4 49.3 49.3 49.3 49.1       48.6 6 49.1 49.0 48.9 48.8 48.6 48.5 48.3 48.2 48,1 48.1 48.1 48.3 48.6 48.9 49.2 49.6 49.8 50.1 50.2 50.4 50.4 50.5 50.5 50.5       49.2 7
7 8
50.5 50.5 50.4 50.3 50.3 50.3 50.2 50.1 50.0 50.0 50.0 50.0 50.2 50.2' 50.4 50.6 50.8 51.0 51.0 51.1 51.1 51.2 51.3 51.4       50.5 8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
51.4 51.5 31.6 51.7 51.7 51.7 51.6 51.6 51.5 51.5 51.5 51.6 51.8 52.0 52.2 52.3 52.4 52.6 52.6 52.7 52.7 52.7 52.7 52.8       52.0 9
44.9 44.8 44.7 44.7 44.6 44.5 44.3 44.2 44.2 44.2 44.4 44.5 44.7 44.9 45.3 45.6 45.8 46.0 46.3 46.4 46.4 46.5 46.4 46.4 45.2 2
52.8 52.9 53.0 53.0 53.1 53.1 53.0 53.1 53.2 53.3 53.3 53.4 53.4 53.5 53.6 53.7 53.8 53.7 53.6 53.6 53.5 53.5 53.5 53.5       53.3 10 53.5 53.5 53.4 53.4 53.4 53.3 53.3 $3.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.2 53.2 53.3 53.2 53.2 53.3 53.3 53.3 53.2 j ,        11 53.3 53.4 53.3 53.3 53.2 53.2 53.0 52.9 52.8 52.8 52.9 53.0 53.2 53.4 53.6 53.8 54.1 54.1 54.1 54.1 54.2 54.2 54.3 54.4 53.3 53.5 Cp           12 54.5 54.5 54.4 54.3 54.2 54.0 53.6 53.4 53.1 53.0 53.0 52.9 53.0 53.2 53.5 53.7 53.9 54.0 54.0 54.0 53.9 54.1 53.9 54.0       53.8 1           13 54.1 54.1 54.2 54.2 54.3 54.2 54.2 54.1 54.0 53.8 53.8 53.8 53.8 53.8 53.9 54.1 54.3 54.2 54.1 54.0 54.0 53.9 53.8 53.9       54.0 14 53.9 54.0 54.1 54.2 54.1 54.0 $3.9 54.0 53.8 53.9 54.0 '54.2 54.3 54.5 54.7 55.0 55.1 55.2 55.2 55.1 55.1 55.0 55.0 54.9       54.5 15
46.3 46.2 45.9 45.8 45.6 45.4 45.3 45.1 45.1 45.1 45.2 45.5 45.9 46.1 46.1 46.2 46.4 46.7 46.9 47.0 47.1 47.1 47.1 47.0 46.1 3
: 54. 8 54.7 54.7 54.6 54.5 54.5 54.5 54.6 54.7 54.9 54.9 55.0 55.2 55.4 55.6 55.8 56.0 56.2 56.3 56.3 56.3 56.3 56.3 56.4       55.4 16 56.4 56.4 56.3 56.3 56.3 56.2 56.1 56.2 56.2 56.3 56.3 56.5 56.8 57.2 57.5 57.5 57.5 57.5 57.4 57.4 57.4 57.3 57.3 57.2       56.8 17 57.1 57.0 56.9 56.9 56.8 56.8 56.8 56.8 56.9 .57.2 57.6 57.8 58.2 58.7 58.8 58.8 58.9 58.9. 58.9 58.8 58.8 58.7 58.5 58.2     57.9 18   57.9 57.8 57.7 57.7 57.7 57.6 57.6 57.5 57.6 57.7 57.9 58.2 58.5 59.1 59.4 60.0 60.5 60.7 60.8 60.8 60.6 60.5 60.2 59.9       58.9 19 59.6 59.3 59.I $9.0 58.9 58.7 58.6 58.6 58.7 58.7 59.0 59.3 59.7 60.2 60.6 60.7 60.8 60.9 60.8 60.7 60.6 60.4 60.3 60.3       59.7 20   60.2 60.1 60.0 59.8 59.7 59.6 59.5 59.5 59.6 59.7 59.8 59.9 59.9 60.1 60.3 60.4 60.9 62.3 62.6 62.8 62.8 62.8 62.6 62.4       60.7 21 62.2 62.2 62.0 61.9 61.8 61.7 61.6 61.6 61.7 61.9 62.1 62.5 62.7 62.9 63.1 63.4 63.6 63.6 63.4 63.1 62.8 62.5 62.4 62.3       62.5 22 62.2 62.1 62.0 61.9 61.8 61.8 61.9 62.2 62.3 62.5 62.7 62.8 62.8 62.9 63.0 63.0 63.0 62.8 62.6 62.4 62.3 62.2 62.2 62.I       62.4 23   62.1 62.0 62.0 62.0 61.9 61.9 61.8 61.8 61.8 61.8 61.7 61.7 61.7 61.8 61.7 61.6 61.5 61.3 61.2 61.0 60.8 60.6 60.5 60.3       61.5 24   60.2 60.1 60.0 60.0 59.9 59.9 59.8 59.8 59.7 59.6 59.6 59.5 59.3 59.I 59.1 59.I 59.I 59.1 59.0 58.8 58.7 58.6 58.4 58.3       59.4 25   58.3 58.2 58.2 58.1 58.1 58.1 58.1 58.2 58.2 58.2 58.3 58.3 58.1 58.6 58.7 58.8 58.9 58.9 58.9 58.9 58.7 58.5 58.4 58.2       58.4 26   58.2 58.1 58.1 58.0 57.9 57.8 57.7 57.7 57.7 57.8 58.0 58.1 58.3 58.6 59.0 59.3 59.3 59.7 59.8 59.7 59.7 59.8 59.7 59.5       58.6 27   59.4 39.3 59.I 59.0 58.9 58.8 58.8 58.8 58.8 58.9 59.0 59.0 59.2 59.5 59.7 59.9 60.1 60.2 60.4 60.5 60.5 60.5 60.4 60.2       59.5 28   60.1 60.0 60.0 60.0 60.0 59.9 60.0 60.0 60.0 60.1 60.2 60.5 60.8 61.1 61.3 61.6 61.9 62.1 62.2 62.3 62.3 62.2 62.1 62.1       61.0 29   62.1 62.1 62.1 62.0 62.0 62.0 62.0 62.0 62.0 62.0 62.0 61.9 61.7 61.8 62.0 62.1 61.9 61.8 61.8 61.7 61.7 61.8 61.8 61.8       61.9 30   61.8 61.8 61.8 61.8 61.8 61.8 61.9 61.9 62.0 62.0 62.2 62.3 62.4 62.6 62.7 62.7 62.6 62.5 62.4 62.6 62.7 62.7 62.6 62.4       62.2 31   62.4 62.5 62.5 62.5 62.4 62.4 62.4 62.4 62.4 62.4 62.4 '62.4 62.4 62.4 62.3 62.3 62.2 62.2 62.2 62.1 62.2 62.3 62.3 62.4       62.4 MONTHLY AVERACE     55.8 L.       .__ -                            -
46.9 46.9 47.0 47.0 47.0 46.9 46.8 46.8 46.8 46.8 46.9 47.0 47.1 47.3 47.4 47.4 47.5 47.5 47.5 47.5 47.5 47.6 47.7 47.7 47.2 4
47.7 47.7 47.6 47.6 47.6 47.7 47.7 47.8 47.8 47.9 48.3 48.1 48.2 48.3 48.4 48.4 48.4 48.4 48.4 48.5 48.5 48.6 48.5 48.5 48.1 5
48.5 48.4 48.3 48.2 48.1 48.0 47.8 47.8 47.7 47.9 48.0 48.1 48.3 48.5 48.7 48.9 49.1 49.2 49.3 49.4 49.3 49.3 49.3 49.1 48.6 6
49.1 49.0 48.9 48.8 48.6 48.5 48.3 48.2 48,1 48.1 48.1 48.3 48.6 48.9 49.2 49.6 49.8 50.1 50.2 50.4 50.4 50.5 50.5 50.5 49.2 7
50.5 50.5 50.4 50.3 50.3 50.3 50.2 50.1 50.0 50.0 50.0 50.0 50.2 50.2' 50.4 50.6 50.8 51.0 51.0 51.1 51.1 51.2 51.3 51.4 50.5 8
51.4 51.5 31.6 51.7 51.7 51.7 51.6 51.6 51.5 51.5 51.5 51.6 51.8 52.0 52.2 52.3 52.4 52.6 52.6 52.7 52.7 52.7 52.7 52.8 52.0 9
52.8 52.9 53.0 53.0 53.1 53.1 53.0 53.1 53.2 53.3 53.3 53.4 53.4 53.5 53.6 53.7 53.8 53.7 53.6 53.6 53.5 53.5 53.5 53.5 53.3 10 53.5 53.5 53.4 53.4 53.4 53.3 53.3 $3.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.2 53.2 53.3 53.2 53.2 53.3 53.3 53.3 53.2 53.3 j
11 53.3 53.4 53.3 53.3 53.2 53.2 53.0 52.9 52.8 52.8 52.9 53.0 53.2 53.4 53.6 53.8 54.1 54.1 54.1 54.1 54.2 54.2 54.3 54.4 53.5 Cp 12 54.5 54.5 54.4 54.3 54.2 54.0 53.6 53.4 53.1 53.0 53.0 52.9 53.0 53.2 53.5 53.7 53.9 54.0 54.0 54.0 53.9 54.1 53.9 54.0 53.8 1
13 54.1 54.1 54.2 54.2 54.3 54.2 54.2 54.1 54.0 53.8 53.8 53.8 53.8 53.8 53.9 54.1 54.3 54.2 54.1 54.0 54.0 53.9 53.8 53.9 54.0 14 53.9 54.0 54.1 54.2 54.1 54.0 $3.9 54.0 53.8 53.9 54.0 '54.2 54.3 54.5 54.7 55.0 55.1 55.2 55.2 55.1 55.1 55.0 55.0 54.9 54.5 15
: 54. 8 54.7 54.7 54.6 54.5 54.5 54.5 54.6 54.7 54.9 54.9 55.0 55.2 55.4 55.6 55.8 56.0 56.2 56.3 56.3 56.3 56.3 56.3 56.4 55.4 16 56.4 56.4 56.3 56.3 56.3 56.2 56.1 56.2 56.2 56.3 56.3 56.5 56.8 57.2 57.5 57.5 57.5 57.5 57.4 57.4 57.4 57.3 57.3 57.2 56.8 17 57.1 57.0 56.9 56.9 56.8 56.8 56.8 56.8 56.9.57.2 57.6 57.8 58.2 58.7 58.8 58.8 58.9 58.9. 58.9 58.8 58.8 58.7 58.5 58.2 57.9 18 57.9 57.8 57.7 57.7 57.7 57.6 57.6 57.5 57.6 57.7 57.9 58.2 58.5 59.1 59.4 60.0 60.5 60.7 60.8 60.8 60.6 60.5 60.2 59.9 58.9 19 59.6 59.3 59.I $9.0 58.9 58.7 58.6 58.6 58.7 58.7 59.0 59.3 59.7 60.2 60.6 60.7 60.8 60.9 60.8 60.7 60.6 60.4 60.3 60.3 59.7 20 60.2 60.1 60.0 59.8 59.7 59.6 59.5 59.5 59.6 59.7 59.8 59.9 59.9 60.1 60.3 60.4 60.9 62.3 62.6 62.8 62.8 62.8 62.6 62.4 60.7 21 62.2 62.2 62.0 61.9 61.8 61.7 61.6 61.6 61.7 61.9 62.1 62.5 62.7 62.9 63.1 63.4 63.6 63.6 63.4 63.1 62.8 62.5 62.4 62.3 62.5 22 62.2 62.1 62.0 61.9 61.8 61.8 61.9 62.2 62.3 62.5 62.7 62.8 62.8 62.9 63.0 63.0 63.0 62.8 62.6 62.4 62.3 62.2 62.2 62.I 62.4 23 62.1 62.0 62.0 62.0 61.9 61.9 61.8 61.8 61.8 61.8 61.7 61.7 61.7 61.8 61.7 61.6 61.5 61.3 61.2 61.0 60.8 60.6 60.5 60.3 61.5 24 60.2 60.1 60.0 60.0 59.9 59.9 59.8 59.8 59.7 59.6 59.6 59.5 59.3 59.I 59.1 59.I 59.I 59.1 59.0 58.8 58.7 58.6 58.4 58.3 59.4 25 58.3 58.2 58.2 58.1 58.1 58.1 58.1 58.2 58.2 58.2 58.3 58.3 58.1 58.6 58.7 58.8 58.9 58.9 58.9 58.9 58.7 58.5 58.4 58.2 58.4 26 58.2 58.1 58.1 58.0 57.9 57.8 57.7 57.7 57.7 57.8 58.0 58.1 58.3 58.6 59.0 59.3 59.3 59.7 59.8 59.7 59.7 59.8 59.7 59.5 58.6 27 59.4 39.3 59.I 59.0 58.9 58.8 58.8 58.8 58.8 58.9 59.0 59.0 59.2 59.5 59.7 59.9 60.1 60.2 60.4 60.5 60.5 60.5 60.4 60.2 59.5 28 60.1 60.0 60.0 60.0 60.0 59.9 60.0 60.0 60.0 60.1 60.2 60.5 60.8 61.1 61.3 61.6 61.9 62.1 62.2 62.3 62.3 62.2 62.1 62.1 61.0 29 62.1 62.1 62.1 62.0 62.0 62.0 62.0 62.0 62.0 62.0 62.0 61.9 61.7 61.8 62.0 62.1 61.9 61.8 61.8 61.7 61.7 61.8 61.8 61.8 61.9 30 61.8 61.8 61.8 61.8 61.8 61.8 61.9 61.9 62.0 62.0 62.2 62.3 62.4 62.6 62.7 62.7 62.6 62.5 62.4 62.6 62.7 62.7 62.6 62.4 62.2 31 62.4 62.5 62.5 62.5 62.4 62.4 62.4 62.4 62.4 62.4 62.4 '62.4 62.4 62.4 62.3 62.3 62.2 62.2 62.2 62.1 62.2 62.3 62.3 62.4 62.4 MONTHLY AVERACE 55.8 L.


TABLE 3.2-6 AVERACE HOURLY TEMPERATURE IN *F ~
TABLE 3.2-6 AVERACE HOURLY TEMPERATURE IN *F ~
VERMONT YANKEE SAMPLE STATION NO. 7 JUNE 1982 DAILY DAY                                                               HOUR                                                       AVERACE I   2   3   4   5   6     7   8     9   10   11   12   13   14 15     16 17   18 19   20   21   22   23   24 1
VERMONT YANKEE SAMPLE STATION NO. 7 JUNE 1982 DAILY DAY HOUR AVERACE I
62.6 62.6 62.6 62.5 62.5 62.6 62.6 62.6 62.6 62.7 62.8 62.8 62.8 62.9 63.1 63.2 63.2 63.2 63.2 63.2 63.2 63.2 63.2 63.2     62.9 2 63.1 63.2 63.1 63.1 63.1 63.1 63.1 63.0 63.1 63.1 63.1 63.1 63.1 63.2 63.7 64.0 64.4 M.6 M.7 64.6 64.5 64.5 64.4 M.3       63.6 3 64.3 M.2 64.1 64.0 63.8 63.7 63.5 63.5 63.4 63.4 63.4 (3.5 63.6 63.8 63.9 64.1 64.1 64.1 64.2 M. I 64.1 64.0 63.9 63.8     63.9 4 63.7 63.6 63.5 63.5 63.4 63.4 63.4 63.4 63.6 63.7 63.9 M.1 64.2 64.4 64.5 64.5 64.4 M.3 64.2 64.1 M.0 63.9 63.9 63.8       63.9 5
2 3
63.8 63.8 63.8 63.8 63.8 63.7 63.7 63.7 63.6 63.7 63.7 63.7 63.7 63.7 63.5 63.4 63.2 63.0 62.8 62.6 62.5 62.3 62.2 62.1     63.3 6 62.1 62.0 61.8 61.5 61.2 60.9 60.4 60.2 60.1 60.0 59.9 59.8 59.8 59.7 59.7 59.5 59.3 59.1 59.0 58.9 58.9 59.0 59.0 59.0     60.0 7 58.9 58.8 58.7 58.5 58.5 58.4 58.3 53.3 58.3 58.3 58.3 58.2 58.2 58.1 58.0 58.1 58.1 58.1 57.9 57.8 57.7 57.6 57.5 57.4     58.2 8 57.4 57.4 57.4 57.3 57.3 57.2 57.1 57.1 57.0 57.0 57.0 57.1 57.3 57.5 57.8 58.0 58.1 58.3 58.5 58.5 58.5 58.5 58.4 58.3     57.7 9 58.! 57.9 57.8 57.8 57.8 57.9 58.0 58.1 58.2 58.3 58.4 58.5 58.6 58.7 59.0 59.7 60.1 60.3 60.4 60.5 60.6 60.7 60.7 60.6     59.0   i
4 5
            ,  10 60.6 60.5 60.4 60.2 59.9 59.9 59.8 60.0 60.0 60.0 60.2 60.3 60.4 60.7 60.9 61.6 62.1 62.5 62.7 62.7 62.7 62.6 62.5 62.4     61.1 l         ,p. 11 62.2 62.1 62.0 62.0 61.9 61.8 61.7 61.7 61.7 61.7 61.6 61.6 61.7 61.8 61.5 61.4 61.9 62.3 62.5 62.6 62.7 62.8 62.9 62.8     62.0   l Fd 12 62.9 62.9 62.9 62.9 62.9 62.9 62.9 63.0 63.0 63.1 63.0 62.9 62.9 62.8 62.6 62.5 62.9 63.1 63.1 63.1 63.0 62.9 62.9 62.8     62.9 3
6 7
13 62.7 62.7 62.7 62.6 62.6 62.5 62.4 62.4 62.4 62.3 62.3 62.3 .62.2 62.0 61.9 61.8 61.7 61.7 61.6 61.6 61.5 61.4 61.4 61.2   62.1 14 61.2 61.3 61.3 61.4 61.4 61.5 61.5 61.1 60.9 60.9 61.2 61.5 61.5 61.3 61.2 61.4 61.5 61.8 62.1 62.3 62.2 62.1 62.0 61.9     61.5 15 61.7 61.7 bl.6 61.4 61.4 61.4 61.2 61.2 61.1 60.9 60.9 60.9 60.8 60.8 60.8 61.4 61.9 62.3 62.4 62.4 62.4 62.5 62.7 62.8     61.6 16 62.9 62.9 62.9 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.7 62.8 63.0 62.9 62.8 62.0 63.0 63.0 63.0 63.2 63.4 63.6 63.7     63.0 17 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.8 63.8 63.7 63.6 63.4 63.2 62.9 62.9 G3.0 63.1 63.1 63.1 62.9 62.8 62.7 62.6     63.3 18 62.6 62.5 62.5 62.4 62.4 62.3 , 62.3 62.2 62.2 62.1 62.2 62.4 62.6 63.0 63.2 63.6 63.9 64.4 M. 7 64.9 65.0 65.2 65.3 65.4   63.3
8 9
,              19 65.4 65.3 65.3 65.2 65.2 65.2 65.1 65.1 65.1 65.1 64.9 64.9 M.8 64.5 64.4 65.0 65.5 65.7 65.8 66.0 66.1 66.1 66.2 66.3     65.3 l             20 66.4 66.5 66.5 66.5 66.5 66.5 66.5 66.5 66.6 66.7 66.7 66.6 66.5 66.5 66.3 66.1 65.9 66.0 66.4 66.5 66.4 66.4 66.4 66.4     66.4 21 66.4 66.3 66.3 66.3 M. 2 66.2 66.2 66.3 66.4 66.4 66.3 66.5 66.7 66.7 66.1 65.9 66.4 66.7 66.9 66.9 66.8 66.8 66.8 66.7   M. 5 22 66.7 66.7 66.6 66.6 66.6 66.6 66.6 66.7 66.9 66.9 66.8 66.9 66.9 67.0 66.7 M.7 67.1 67.3 67.3 67.3 67.3 67.3 67.3 67.2     66.9 23 67.1 67.1 67.1 67.1 67.0 67.0 67.0 67.1 67.2 67.3 67.4 67.5 67.6 67.6 67.3 67.1 67.1 67.1 67.0 M.8 66.6 66.5 66.3 66.3     67.0 24 66.3 66.4 66.5 66.5 66.4 66.4 66.3 66.2 66.2 66.2 66.1 65.9 65.9 65.8 65.5 65.7 66.1 M.4 66.4 66.4 66.4 66.4 66.3 66.3     66.2 25 66.2 66.1 66.0 65.9 65.8 65.7 65.7 65.7 65.7 65.6 65.7 65.7 65.8 65.8 65.8 65.8 66.2 M.5 66.7 M.9 67.0 67.0 67.0 H.9       66.1 26 66.9 67.0 67.1 67.1 67.1 67.0 66.9 66.7 66.5 66.4 66.3 66.2 66.2 66.2 66.2 M.3 66.3 66.3 66.3 H.4 66.5 66.6 66.5 66.5     66.6 27 66.2 66.2 66.3 66.3 66.2 66.2 66.1 66.0 65.9 65.8 65.7 65.7 65.7 65.7 65.8 66.0 '66.1 66.2 M.5 66.6 M.8 66.9 66.9 66.9     66.2 28 66.8 66.9 66.9 67.0 67.0 67.0 67.0 67.0 67.1 67.1 67.1 67.1 67.0 67.1 67.3 67.5 67.5 67.7 67.8 67.8 67.8 67.8 67.8 67.9   67.3 29 68.0 68.1 68.1 68.1 68.0 67.8 67.7 67.5 67.5 67.4 67.4 67.5 67.5 67.5 67.5 67.6 67.6 67.7 67.8 67.7 67.6 67.5 67.4 67.2   67.7 30 67.0 66.8 66.6 66.5 66.3 66.3 66.2 66.3 66.4 66.5 66.7 66.9 67.1 67.2 67.3 67.5 67.6 67.5 67.6 67.5 67.6 67.2 67.0 66.9   66.9 MONTHLY AVERAGE 63.8 u_.___ ___
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
62.6 62.6 62.6 62.5 62.5 62.6 62.6 62.6 62.6 62.7 62.8 62.8 62.8 62.9 63.1 63.2 63.2 63.2 63.2 63.2 63.2 63.2 63.2 63.2 62.9 2
63.1 63.2 63.1 63.1 63.1 63.1 63.1 63.0 63.1 63.1 63.1 63.1 63.1 63.2 63.7 64.0 64.4 M.6 M.7 64.6 64.5 64.5 64.4 M.3 63.6 3
64.3 M.2 64.1 64.0 63.8 63.7 63.5 63.5 63.4 63.4 63.4 (3.5 63.6 63.8 63.9 64.1 64.1 64.1 64.2 M. I 64.1 64.0 63.9 63.8 63.9 4
63.7 63.6 63.5 63.5 63.4 63.4 63.4 63.4 63.6 63.7 63.9 M.1 64.2 64.4 64.5 64.5 64.4 M.3 64.2 64.1 M.0 63.9 63.9 63.8 63.9 5
63.8 63.8 63.8 63.8 63.8 63.7 63.7 63.7 63.6 63.7 63.7 63.7 63.7 63.7 63.5 63.4 63.2 63.0 62.8 62.6 62.5 62.3 62.2 62.1 63.3 6
62.1 62.0 61.8 61.5 61.2 60.9 60.4 60.2 60.1 60.0 59.9 59.8 59.8 59.7 59.7 59.5 59.3 59.1 59.0 58.9 58.9 59.0 59.0 59.0 60.0 7
58.9 58.8 58.7 58.5 58.5 58.4 58.3 53.3 58.3 58.3 58.3 58.2 58.2 58.1 58.0 58.1 58.1 58.1 57.9 57.8 57.7 57.6 57.5 57.4 58.2 8
57.4 57.4 57.4 57.3 57.3 57.2 57.1 57.1 57.0 57.0 57.0 57.1 57.3 57.5 57.8 58.0 58.1 58.3 58.5 58.5 58.5 58.5 58.4 58.3 57.7 9
58.! 57.9 57.8 57.8 57.8 57.9 58.0 58.1 58.2 58.3 58.4 58.5 58.6 58.7 59.0 59.7 60.1 60.3 60.4 60.5 60.6 60.7 60.7 60.6 59.0 i
10 60.6 60.5 60.4 60.2 59.9 59.9 59.8 60.0 60.0 60.0 60.2 60.3 60.4 60.7 60.9 61.6 62.1 62.5 62.7 62.7 62.7 62.6 62.5 62.4 61.1 l
,p.
11 62.2 62.1 62.0 62.0 61.9 61.8 61.7 61.7 61.7 61.7 61.6 61.6 61.7 61.8 61.5 61.4 61.9 62.3 62.5 62.6 62.7 62.8 62.9 62.8 62.0 l
Fd 12 62.9 62.9 62.9 62.9 62.9 62.9 62.9 63.0 63.0 63.1 63.0 62.9 62.9 62.8 62.6 62.5 62.9 63.1 63.1 63.1 63.0 62.9 62.9 62.8 62.9 3
13 62.7 62.7 62.7 62.6 62.6 62.5 62.4 62.4 62.4 62.3 62.3 62.3.62.2 62.0 61.9 61.8 61.7 61.7 61.6 61.6 61.5 61.4 61.4 61.2 62.1 14 61.2 61.3 61.3 61.4 61.4 61.5 61.5 61.1 60.9 60.9 61.2 61.5 61.5 61.3 61.2 61.4 61.5 61.8 62.1 62.3 62.2 62.1 62.0 61.9 61.5 15 61.7 61.7 bl.6 61.4 61.4 61.4 61.2 61.2 61.1 60.9 60.9 60.9 60.8 60.8 60.8 61.4 61.9 62.3 62.4 62.4 62.4 62.5 62.7 62.8 61.6 16 62.9 62.9 62.9 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.7 62.8 63.0 62.9 62.8 62.0 63.0 63.0 63.0 63.2 63.4 63.6 63.7 63.0 17 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.8 63.8 63.7 63.6 63.4 63.2 62.9 62.9 G3.0 63.1 63.1 63.1 62.9 62.8 62.7 62.6 63.3 18 62.6 62.5 62.5 62.4 62.4 62.3, 62.3 62.2 62.2 62.1 62.2 62.4 62.6 63.0 63.2 63.6 63.9 64.4 M. 7 64.9 65.0 65.2 65.3 65.4 63.3 19 65.4 65.3 65.3 65.2 65.2 65.2 65.1 65.1 65.1 65.1 64.9 64.9 M.8 64.5 64.4 65.0 65.5 65.7 65.8 66.0 66.1 66.1 66.2 66.3 65.3 l
20 66.4 66.5 66.5 66.5 66.5 66.5 66.5 66.5 66.6 66.7 66.7 66.6 66.5 66.5 66.3 66.1 65.9 66.0 66.4 66.5 66.4 66.4 66.4 66.4 66.4 21 66.4 66.3 66.3 66.3 M. 2 66.2 66.2 66.3 66.4 66.4 66.3 66.5 66.7 66.7 66.1 65.9 66.4 66.7 66.9 66.9 66.8 66.8 66.8 66.7 M. 5 22 66.7 66.7 66.6 66.6 66.6 66.6 66.6 66.7 66.9 66.9 66.8 66.9 66.9 67.0 66.7 M.7 67.1 67.3 67.3 67.3 67.3 67.3 67.3 67.2 66.9 23 67.1 67.1 67.1 67.1 67.0 67.0 67.0 67.1 67.2 67.3 67.4 67.5 67.6 67.6 67.3 67.1 67.1 67.1 67.0 M.8 66.6 66.5 66.3 66.3 67.0 24 66.3 66.4 66.5 66.5 66.4 66.4 66.3 66.2 66.2 66.2 66.1 65.9 65.9 65.8 65.5 65.7 66.1 M.4 66.4 66.4 66.4 66.4 66.3 66.3 66.2 25 66.2 66.1 66.0 65.9 65.8 65.7 65.7 65.7 65.7 65.6 65.7 65.7 65.8 65.8 65.8 65.8 66.2 M.5 66.7 M.9 67.0 67.0 67.0 H.9 66.1 26 66.9 67.0 67.1 67.1 67.1 67.0 66.9 66.7 66.5 66.4 66.3 66.2 66.2 66.2 66.2 M.3 66.3 66.3 66.3 H.4 66.5 66.6 66.5 66.5 66.6 27 66.2 66.2 66.3 66.3 66.2 66.2 66.1 66.0 65.9 65.8 65.7 65.7 65.7 65.7 65.8 66.0 '66.1 66.2 M.5 66.6 M.8 66.9 66.9 66.9 66.2 28 66.8 66.9 66.9 67.0 67.0 67.0 67.0 67.0 67.1 67.1 67.1 67.1 67.0 67.1 67.3 67.5 67.5 67.7 67.8 67.8 67.8 67.8 67.8 67.9 67.3 29 68.0 68.1 68.1 68.1 68.0 67.8 67.7 67.5 67.5 67.4 67.4 67.5 67.5 67.5 67.5 67.6 67.6 67.7 67.8 67.7 67.6 67.5 67.4 67.2 67.7 30 67.0 66.8 66.6 66.5 66.3 66.3 66.2 66.3 66.4 66.5 66.7 66.9 67.1 67.2 67.3 67.5 67.6 67.5 67.6 67.5 67.6 67.2 67.0 66.9 66.9 MONTHLY AVERAGE 63.8 u_.___


TABLE 3.2-7 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 JULY 1982 DAILY DAY                                                               HOUR                                                       AVERAGE 1   2     3   4   5   6   7   8   9   10   11   12   13   14 15   16 17   18   19   20   21   22   23   24 1
TABLE 3.2-7 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 JULY 1982 DAILY DAY HOUR AVERAGE 1
66.6 66.4 66.1 65.9 65.7 65.4 65.2 65.4 65.3 65.2 65.1 65.0 64.9 65.0 65.1 65.2 65.4 65.5 65.6 65.6 65.6 65.6 65.5 65.5     65.5 2 65.5 65.4 65.4 65.4 65.4 65.4 65.3 65.3 65.2 65.2 65.3 65.4 65.5 65.6 65.7 65.8 65.9 65.9 65.9 .66.0 65.9 65.9 65.8 65.7     65.6 3 65.6 65.5 65.5 65.4 65.4 65.4 65.4 65.4 65.5 65.6 65.7 65.8 65.8 65.9 65.9 65.9 .65.8 65.8 65.7 65.7 65.6 65.5 65.4 65.3     65.6 4 65.1 65.0 65.0 64.6 64.4 64.4 64.3 64.2 64.2 64.2 64.3 64.3 64.5 64.6 64.9 64.8 65.1 65.3 65.4 65.3 65.1 65.3 65.4 65.4     64.8 5 65.3 65.2 65.1 65.0 65.0 64.9 64.9 65.0 65.0 65.1 65.1 65.2 65.2 65.2 65.1 65.1 65.2 65.3 65.4 65.5 65.5 65.6 65.8 65.9     65.2 6 66.1 66.2 66.1 66.0 66.0 65.9 65.9 65.8 65.8 65.9 66.0 66.1 66.1 66.3 66.6 67.0 67.4 67.7 67.9 68.0 68.0 68.1 68.1 68.1     66.7 7 68.0 67.8 67.7 67.7 67.6 67.6 67.5 67.5 67.4 67.3 67.1 67.1 67.2 67.5 67.8 68.2 68.5 68.7 69.0 69.2 69.2 69.1 69.0 69.1     68.0 8 69.1 69.0 68.9 68.9 68.9 68.9 68.9 68.9 69.1 69.2 69.5 69.7 69.9 70.0 69.9 70.2 70.2 70.3 70.3 70.3 70.3 70.4 70.3 70.3     69.6 9 70.2 70.1 70.1 70.0 69.9 69.9 70.0 70.0 70.1 70.2 70.3 70.5 70.7 70.8 71.4 72.2 71.9 72.0 72.1 72.3 72.3 72.2 72.1 71.9     71.0         ,
2 3
      ,  10 71.8 71.8 71.7 71.7 71.6 71.6 71.5 71.6 71.6 71.7 71.8 71.9 72.0 72.3 72.4 73.0 72.9 72.4 72.2 72.4 72.4 72.5 72.6 72.6     72.1         l 43 11 72.7 72.5 72.4 72.5 72.8 73.0 72.9 72.9 73.0 73.2 73.1 73.1 73.1 73.3 73.4 73.6 73.9 74.1 74.3 74.5 74.5 74.5 74.4 74.3     73.4 bJ 12 74 . 2 74.1 74.0 73.9 73.9 73.9 74.0 74.1 74.1 74.1 74.1 74.0 73.9 73.8 73.7 73.6 73.7 73.7 73.7 73.7 73.7 73.7 73.7 73.7   73.9 I 13   73.7 73.7 73.7 73.9 73.9 73.9 73.9 73.8 73.8 73.8 73.8 73.8 73.8 73.9 74.0 74.1 73.7 73.6 73.7 73.6 73.7 73.9 73.7 73.7     73.8 14   73.8 73.8 73.7 73.7 74.1 74.3 74.3 74. 2 74.2 74.4 74.2 74.3 74.3 74.1 74.1 74.3 74.5 74.5 74.5 74.5 74.5 74.6 74.8 74.7     74.3 15   74.7 74.9 74.9 74.9 74.8 74.9 74.9 74.9 74.7 74.6 74.8 75.0 74.8 74.9 74.8 74.8 74.8 75.1 75.1 75.1 75.3 75.3 75.0 75.0     74.9 16   75.1 75.2 75.2 75.3 75.3 75.3 75.3 75.3 75.3 75.2 75.3 75.2 75.3 75.4 75.6 75.8 75.9 76.3 76.5 76.2 76.2 76.0 76.2 76.2     75.6 17   76.2 76.2 76.1 76.3 76.5 76.5 76.5 76.5 76.6 76.6 76.6 76.5 76.5 76.5 76.4 76.4 76.4 76.5 76.5 76.6 76.6 76.6 76.6 76.7     76.5 18   76.5 76.4 76.5 76.4 76.5 76.5 76.5 76.5 76.5 76.5 76.6 76.7 76.7 76.6 76.7 76.6 76.7 76.7 76.7 76.8 76.8 77.3 77.5 77.0     76.7 19   76.8 77.2 77.1 76.8 76.9 77.0 77.1 77.2 77.3 77.4 77.5 77.6 77.8 78.1 78.2 78.6 78.5 78.7 .78.5 78.5 78.2 78.2 78.1 78.2     77.7 20   78.2 78.2 78.3 78.4 78.2 78.3 78.2 78.4 78.4 78.8 78.8 78.8 78.8 78.9 78.9 78.9 78.9 78.9 78.9 78.9 78.8 78.7 78.7 78.4     78.6 21   78.5 78.4 78.4 78.3 78.2 78.2 78.2 78.1 78.1 78.2 78.1 77.9 77.6 77.7 78.3 78.6 18.9 78.9 78.8 78.4 78.5 78.4 78.4 78.3     78.3 22   78.2 78.1 78.0 78.0 77.9 77.8 77.7 77.7 77.6 77.4 77.3 77.2 77.2 77.4 77.4 77.4 77.8 77.9 77.9 78.0 78.1 78.1 78.1 78.1     77.8 23   78.1 78.1 78.0 78.0 77.8 77.7 77.6 77.4 77.4 77.3 77.3 77.6 77.7 77.4 77.2 '77.1 77.2 77.9 78.1 78.1 78.2 78.1 78.0 77.9     77.7 24   77.8 77.7 77.6 77.5 77.4 77.4 77.2 77.1 77.1 77.0 76.9 76.9 76.9 77.0 77.0 77.0 77.0 76.9 76.7 76.7 76.7 76.6 76.6 76.6     77.1 25   76.5 76.6 76.6 76.6 76.7 76.7 76.6 76.7 76.7 76.6 76.7 76.8 76.7 76.6 76.6 76.6 76.7 76.6 76.7 76.8 76.7 76.8 76.7 76.8     76.7 26   76.6 76.7 76.6 76.6 76.7 76.7 76.7 76.8 76.7 76.6 76.5 76.6 76.5 76.6 76.6 76.6 76.5 76.6 76.8 76.7 76.6 76.6 76.6 76.6     76.6 27   76.7 76.6 76.5 76.6 76.6 76.7 76.5 76.6 76.6 76.6 76.7 76.5 76.5 76.5 76.5 76.1 76.3 76.3 76.4 76.6 76.3 76.3 76.4 76.5     76.5 26   76.6 76.6 76.4 76.5 76.6 76.5 76.4 76.3 76.2 76.3 76.2 .76.3 76.4 76.3 76.3 76.6 76.5 76.3 76.1 76.3 76.3 76.2 76.0 75.9     76.3 29   75.9 76.0 75.9 75.9 75.9 75.8 75.8 75.8 75.9 75.9 75.9 75.8 75.7 75.6 75.6 75.7 75.8 75.8 76.0 76.2 76.1 76.0 76.1 76.1     75.9 30   76.0 76.0 75.9 75.8 75.8 75.9 75.6 75.6 75.6 75.5 75.2 75.2 75.1 75.1 75.2 75.3 75.2 75.2 75.2 75.5 75.6 75.6 75.6 75.6     75.5 31   75.6 75.6 75.6 75.6 75.6 75.6 75.6 75.5 75.4 75.3 75.3 75.3 75.3 75.1 74.9 74.8 74.7 74.6 74.8 75.0 75.1 75.6 75.7 75.7     75.3 MONTHLY AVERACE 73.3
4 5
6 7
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
66.6 66.4 66.1 65.9 65.7 65.4 65.2 65.4 65.3 65.2 65.1 65.0 64.9 65.0 65.1 65.2 65.4 65.5 65.6 65.6 65.6 65.6 65.5 65.5 65.5 2
65.5 65.4 65.4 65.4 65.4 65.4 65.3 65.3 65.2 65.2 65.3 65.4 65.5 65.6 65.7 65.8 65.9 65.9 65.9.66.0 65.9 65.9 65.8 65.7 65.6 3
65.6 65.5 65.5 65.4 65.4 65.4 65.4 65.4 65.5 65.6 65.7 65.8 65.8 65.9 65.9 65.9.65.8 65.8 65.7 65.7 65.6 65.5 65.4 65.3 65.6 4
65.1 65.0 65.0 64.6 64.4 64.4 64.3 64.2 64.2 64.2 64.3 64.3 64.5 64.6 64.9 64.8 65.1 65.3 65.4 65.3 65.1 65.3 65.4 65.4 64.8 5
65.3 65.2 65.1 65.0 65.0 64.9 64.9 65.0 65.0 65.1 65.1 65.2 65.2 65.2 65.1 65.1 65.2 65.3 65.4 65.5 65.5 65.6 65.8 65.9 65.2 6
66.1 66.2 66.1 66.0 66.0 65.9 65.9 65.8 65.8 65.9 66.0 66.1 66.1 66.3 66.6 67.0 67.4 67.7 67.9 68.0 68.0 68.1 68.1 68.1 66.7 7
68.0 67.8 67.7 67.7 67.6 67.6 67.5 67.5 67.4 67.3 67.1 67.1 67.2 67.5 67.8 68.2 68.5 68.7 69.0 69.2 69.2 69.1 69.0 69.1 68.0 8
69.1 69.0 68.9 68.9 68.9 68.9 68.9 68.9 69.1 69.2 69.5 69.7 69.9 70.0 69.9 70.2 70.2 70.3 70.3 70.3 70.3 70.4 70.3 70.3 69.6 9
70.2 70.1 70.1 70.0 69.9 69.9 70.0 70.0 70.1 70.2 70.3 70.5 70.7 70.8 71.4 72.2 71.9 72.0 72.1 72.3 72.3 72.2 72.1 71.9 71.0 10 71.8 71.8 71.7 71.7 71.6 71.6 71.5 71.6 71.6 71.7 71.8 71.9 72.0 72.3 72.4 73.0 72.9 72.4 72.2 72.4 72.4 72.5 72.6 72.6 72.1 l
43 11 72.7 72.5 72.4 72.5 72.8 73.0 72.9 72.9 73.0 73.2 73.1 73.1 73.1 73.3 73.4 73.6 73.9 74.1 74.3 74.5 74.5 74.5 74.4 74.3 73.4 bJ 12 74. 2 74.1 74.0 73.9 73.9 73.9 74.0 74.1 74.1 74.1 74.1 74.0 73.9 73.8 73.7 73.6 73.7 73.7 73.7 73.7 73.7 73.7 73.7 73.7 73.9 I
13 73.7 73.7 73.7 73.9 73.9 73.9 73.9 73.8 73.8 73.8 73.8 73.8 73.8 73.9 74.0 74.1 73.7 73.6 73.7 73.6 73.7 73.9 73.7 73.7 73.8 14 73.8 73.8 73.7 73.7 74.1 74.3 74.3 74. 2 74.2 74.4 74.2 74.3 74.3 74.1 74.1 74.3 74.5 74.5 74.5 74.5 74.5 74.6 74.8 74.7 74.3 15 74.7 74.9 74.9 74.9 74.8 74.9 74.9 74.9 74.7 74.6 74.8 75.0 74.8 74.9 74.8 74.8 74.8 75.1 75.1 75.1 75.3 75.3 75.0 75.0 74.9 16 75.1 75.2 75.2 75.3 75.3 75.3 75.3 75.3 75.3 75.2 75.3 75.2 75.3 75.4 75.6 75.8 75.9 76.3 76.5 76.2 76.2 76.0 76.2 76.2 75.6 17 76.2 76.2 76.1 76.3 76.5 76.5 76.5 76.5 76.6 76.6 76.6 76.5 76.5 76.5 76.4 76.4 76.4 76.5 76.5 76.6 76.6 76.6 76.6 76.7 76.5 18 76.5 76.4 76.5 76.4 76.5 76.5 76.5 76.5 76.5 76.5 76.6 76.7 76.7 76.6 76.7 76.6 76.7 76.7 76.7 76.8 76.8 77.3 77.5 77.0 76.7 19 76.8 77.2 77.1 76.8 76.9 77.0 77.1 77.2 77.3 77.4 77.5 77.6 77.8 78.1 78.2 78.6 78.5 78.7.78.5 78.5 78.2 78.2 78.1 78.2 77.7 20 78.2 78.2 78.3 78.4 78.2 78.3 78.2 78.4 78.4 78.8 78.8 78.8 78.8 78.9 78.9 78.9 78.9 78.9 78.9 78.9 78.8 78.7 78.7 78.4 78.6 21 78.5 78.4 78.4 78.3 78.2 78.2 78.2 78.1 78.1 78.2 78.1 77.9 77.6 77.7 78.3 78.6 18.9 78.9 78.8 78.4 78.5 78.4 78.4 78.3 78.3 22 78.2 78.1 78.0 78.0 77.9 77.8 77.7 77.7 77.6 77.4 77.3 77.2 77.2 77.4 77.4 77.4 77.8 77.9 77.9 78.0 78.1 78.1 78.1 78.1 77.8 23 78.1 78.1 78.0 78.0 77.8 77.7 77.6 77.4 77.4 77.3 77.3 77.6 77.7 77.4 77.2 '77.1 77.2 77.9 78.1 78.1 78.2 78.1 78.0 77.9 77.7 24 77.8 77.7 77.6 77.5 77.4 77.4 77.2 77.1 77.1 77.0 76.9 76.9 76.9 77.0 77.0 77.0 77.0 76.9 76.7 76.7 76.7 76.6 76.6 76.6 77.1 25 76.5 76.6 76.6 76.6 76.7 76.7 76.6 76.7 76.7 76.6 76.7 76.8 76.7 76.6 76.6 76.6 76.7 76.6 76.7 76.8 76.7 76.8 76.7 76.8 76.7 26 76.6 76.7 76.6 76.6 76.7 76.7 76.7 76.8 76.7 76.6 76.5 76.6 76.5 76.6 76.6 76.6 76.5 76.6 76.8 76.7 76.6 76.6 76.6 76.6 76.6 27 76.7 76.6 76.5 76.6 76.6 76.7 76.5 76.6 76.6 76.6 76.7 76.5 76.5 76.5 76.5 76.1 76.3 76.3 76.4 76.6 76.3 76.3 76.4 76.5 76.5 26 76.6 76.6 76.4 76.5 76.6 76.5 76.4 76.3 76.2 76.3 76.2.76.3 76.4 76.3 76.3 76.6 76.5 76.3 76.1 76.3 76.3 76.2 76.0 75.9 76.3 29 75.9 76.0 75.9 75.9 75.9 75.8 75.8 75.8 75.9 75.9 75.9 75.8 75.7 75.6 75.6 75.7 75.8 75.8 76.0 76.2 76.1 76.0 76.1 76.1 75.9 30 76.0 76.0 75.9 75.8 75.8 75.9 75.6 75.6 75.6 75.5 75.2 75.2 75.1 75.1 75.2 75.3 75.2 75.2 75.2 75.5 75.6 75.6 75.6 75.6 75.5 31 75.6 75.6 75.6 75.6 75.6 75.6 75.6 75.5 75.4 75.3 75.3 75.3 75.3 75.1 74.9 74.8 74.7 74.6 74.8 75.0 75.1 75.6 75.7 75.7 75.3 MONTHLY AVERACE 73.3


                                                ^
^
ww TABLE 3. 2--8 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKKE SAMPLE STAY 10N No. 7 AUGUST 1982                                                             I D41LY DAY                                                                                     HOUR                                                   AVERAGE I     2     3   4   5     6   7   8       9 to               !!    12   13J I4 15 16 17 18 19 20       21     22   23   34 1
ww TABLE 3. 2--8 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKKE SAMPLE STAY 10N No. 7 AUGUST 1982 I
75.6 75.6 75.6 75.5 75.4 75.4' 75.3 75.3 75.3 75.2 75.2. 75.2 75.2 75.2 75.1 74.9 74.9 74.9 74.9 74.8 74.8 74.8'74.8 74.9               75.2 2     -74.7 74.9 74.8 74.8 74.8 . 74.8 74.9 74.9 74.9 74.9 75.0 75.1 75.1 75.3 .75.4 75.6 75.5 75.6 75.8 75.7 75.7 76.2 76.3 76.1             75.3 3     76.0 76.0 75.9 75.9 75.8 75.8 75.7 75.7 75.6 -75.6 75.6 75.6 75.4 '75.4 75.3 75.1 '75.1 75.1 75.1 75.1 75.0 75.0 75.1 75.3             75.5 4       75.1 75.0 75.1 75.2 75.3 - 75.5 75.4 75.4 75.3 75.4 75.3 75.4 75.5 75.4 75.3 75.2 75.2 75.2 75.4 75.4 75.4 75.3 75.4 75.6               75.3 5     75.7 75.7 75.7 75.7 75.7 75.7 75.7 75.6 75.7 75.7 75.8 75.8 75.9 76.0 76.0 76.0 76.1 76.2 76.4 76.3 76.3 76.3 76.3 '76.2               75.9 6       76.2 76.2 76.1 76.1 76.5 76.1 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 75.9 75.8 75.8 75.7 75.7 75.7 75.8 75.7 75.7                 75.9         I 7     75.6 75.8 75.8 75.8 75.6 75.9 75.8 75.8 75.8 75.9 75.8 76.0 76.0 76.0 75.9 75.8 75.8 75.9 76.1 76.3 76.3 76.3 76.3 76.3                 76.0 8       76.1 76.1 76.3 76.4 76.5 76.5 76.5 76.5 76.5 76.4 76.4 76.4 76.3 76.1 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0                 76.2 9       76.1 76.1 76.1 76.2 76.3 76.3 76.4 76.4 76.5 76.5 76.6 76.5 76.5 76.5 76.5 76.4 76.5 76.5 76.5 76.6 76.7 77.0 77.1 77.1                 76.5 g
D41LY DAY HOUR AVERAGE I
to       77.0 76.8 76.6 76.5 76.5 76.6 76.5 76.6 76.6 76.6 76.6 76.6 76.5 76.6 76.8 76.9 76.9 77.1 77.2 77.4 77.3 77.2 77.0 76.9                 76.8 as             11       76.7 76.5 76.4 76.3 76.2 75.0 75.9 75.9 75.8 75.8 75.7 .75.8 75.7 75.6 75.5 75.5 75.5 75.4 75.6 75.7 75.9 75.9 75.7 75.6               75.9 bJ I
2 3
12       75.5 75.4 75.3 75.3 75.2 75.1 75.0 74.9 74.9 74.8 74.7 74.5 74.2 74.0 74.0 74.1 74.3 74.3 74.4 74.4 74.3 74.5 74.2 74 .3               74.6 13       74.4 74.4 74.3 74.2 74.1 74.1 74.0 74.0 73.9 73.8 73.7 73.6 73.5 73.7 74.1 74.0 74.2 74.3 74.4 74.3 74.3 74.2 74.1 . 74. 0             74.1 -
4 5
14       73.9 73.8 73.8 73.6 73.5 73.6 73.3 73.2 73.1 73.0 73.0 72.9 72.9 72.9 72.8 72.8 72.7 72.8 72.7 72.7 72.7 72.8 72.7 72.7                 73.1 15       72.8 72.8 72.8 72.8 72.8 72.9 72.8 72.8 72.9 72.9 72.9 .72.9 72.9 72.9 72.9 72.9 72.9 72.8 72.7 72.7 72.7 72.6 72.6 72.7               72.8 -
6 7
16       72.7 72.7 72.7 72.6 72.5 72.6 72.6 72.6 72.7 72.7 72.7 72.7 72.8 72.8 72.8 72.9 72.8 72.7 72.7 72.9 72.8 72.7 72.9 73.1                 72.7 17       73.1 73.0 73.2 73.1 73.3 73.3 S3.3 73.3'73.3 73.3 73.4 73.5 73.6 73.5 73.5 73.7 73.7 73.5 73.5 73.7 73.7 73.6 73.7 73.9                 73.4 18       74 . 0 73.9 73.9 73.8 73.8 73.7 73.7 73.7 73.6 73.6 73.7 73.6 73.5 '73.4 73.3 73.4 73.5 73.3 73.3 73.2 73.3 73.4 73.5 73.5             73.6 19       73.4 73.6 73.7 73.6 73.5 73.5 73.4 73.4 73.2 73.4 73.4 73.3 73.1 73.1 73.1 73.1 73.2 73.1 73.2 73.4 73.4 73.5 73.5 73.6                 73.4 20       73.8 73.8 73.9 73.9 73.9 73.9 73.8 73.8 73.8 .73.8 73.8 73.7 73.6 73.6 73.6 73.5 73.5 73.5 73.5 73.5 73.5 73.4 73.4 73.4               73.7 21       73.5 73.4 73.4 73.3 73.2 73.1 73.8 73.0 72.9 72.8 72.8 72.7 72.6 72.5 72.5 72.5 72.5 72.4 72.4 72.3 72.1 72.1 72.0 72.0               72.7 22       71.9 71.8 71.7 71.7 71.7 71.6 71.6 71.5 71.5 71.6 71.6 71.7 71.7 71.8 71.7 71.6 71.4 71.3 71.2 71.3 71.3 71.4 71.4 71.4                 71.6 23       71.5 71.4 71.3 71.2 71.1 71.1 71.0 71.0 71.0 71.1 71.1 71.0 70.9 70.8 70.6 70.4 70.2 70.1 69.9 69.8 69.6 69.5 69.5 69.5                 70.6 24 f
8 9
69.6 69.6 69.5 69.5 69.4 69.5 69.5 69.6 69.5 69.6 69.7 69.7 69.5 69.8 70.1 70.3 70.7 70.9 70.9 70.8 71.0 70.9 70.7 70.7                 70.0 25       71.0 71.1 71.1 71.1 71.1 71.1 70.9 10.8 70.7 70.6 70.5 70.3 70.3'-70.2 70.1 70.1 70.1 70.1 70.1 70.0 70.0 69.9 69.9 69.8               70.5 l                         26       69.8 69.3 69.8 69.8 69.7 69.6 69.5 69.5 69.5 69.4 69.4 69.3 69.3 69.5 70.0 70.0 70.2 70.2 70.3 70.2- 70.1 70.2 70.3 70.5               69.8 l
to 12 13J I4 15 16 17 18 19 20 21 22 23 34 1
27       70.4 70.6 70.6 70.5 70.4 70.2 70.1 69.9 69.8 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.8 69.9 70.0 70.3 70.2 70.1 70.2.               70.0
75.6 75.6 75.6 75.5 75.4 75.4' 75.3 75.3 75.3 75.2 75.2. 75.2 75.2 75.2 75.1 74.9 74.9 74.9 74.9 74.8 74.8 74.8'74.8 74.9 75.2 2
!                        28       70.1 70.1 70.0 69.9 69.9 69.9 69.8 69.9 69.7 69.7 69.7 69.6 .69.6 69.5 69.2 69.1 69.1 69.1 69.1 69.1 69.0 69.3 69.4 69.5               69.6 29       69.4 69.3 69.2 69.0. 69.0 68.8 68.8 68.7 68.7 68.6 68.6 .68.7 68.7 68.8 68.7 68.5 68.7 68.8 68.8 68.7 68.9 69.0 69.0 68.9             68.8 30 68.8 68.8 68.7 68.6 68.6 68.5 68.4 68.4 68.4 68.4 68.5 68.6 68.6 68.5 68.4 68.3 68.4 68.4 68.3 68.4 68.4 68.5 68.6 68.5               68.5 31         68.5 68.5 68.4 68.4 68.3 68.3 68.2 68.3 68.2 68.1 67.9 67.7 67.6 67.5 67.5 67.4 67.3 67.3 67.3 67.3 67.5 67.7 68.1 68.0               67.9
-74.7 74.9 74.8 74.8 74.8. 74.8 74.9 74.9 74.9 74.9 75.0 75.1 75.1 75.3.75.4 75.6 75.5 75.6 75.8 75.7 75.7 76.2 76.3 76.1 75.3 3
                                                                                                                                                      - MONTHLY AVERACE   73.1 l
76.0 76.0 75.9 75.9 75.8 75.8 75.7 75.7 75.6 -75.6 75.6 75.6 75.4 '75.4 75.3 75.1 '75.1 75.1 75.1 75.1 75.0 75.0 75.1 75.3 75.5 4
                                                                                                                                            -- ~ -                --
75.1 75.0 75.1 75.2 75.3 - 75.5 75.4 75.4 75.3 75.4 75.3 75.4 75.5 75.4 75.3 75.2 75.2 75.2 75.4 75.4 75.4 75.3 75.4 75.6 75.3 5
75.7 75.7 75.7 75.7 75.7 75.7 75.7 75.6 75.7 75.7 75.8 75.8 75.9 76.0 76.0 76.0 76.1 76.2 76.4 76.3 76.3 76.3 76.3 '76.2 75.9 6
76.2 76.2 76.1 76.1 76.5 76.1 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 75.9 75.8 75.8 75.7 75.7 75.7 75.8 75.7 75.7 75.9 I
7 75.6 75.8 75.8 75.8 75.6 75.9 75.8 75.8 75.8 75.9 75.8 76.0 76.0 76.0 75.9 75.8 75.8 75.9 76.1 76.3 76.3 76.3 76.3 76.3 76.0 8
76.1 76.1 76.3 76.4 76.5 76.5 76.5 76.5 76.5 76.4 76.4 76.4 76.3 76.1 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.2 9
76.1 76.1 76.1 76.2 76.3 76.3 76.4 76.4 76.5 76.5 76.6 76.5 76.5 76.5 76.5 76.4 76.5 76.5 76.5 76.6 76.7 77.0 77.1 77.1 76.5 to 77.0 76.8 76.6 76.5 76.5 76.6 76.5 76.6 76.6 76.6 76.6 76.6 76.5 76.6 76.8 76.9 76.9 77.1 77.2 77.4 77.3 77.2 77.0 76.9 76.8 g
as 11 76.7 76.5 76.4 76.3 76.2 75.0 75.9 75.9 75.8 75.8 75.7.75.8 75.7 75.6 75.5 75.5 75.5 75.4 75.6 75.7 75.9 75.9 75.7 75.6 75.9 bJ 12 75.5 75.4 75.3 75.3 75.2 75.1 75.0 74.9 74.9 74.8 74.7 74.5 74.2 74.0 74.0 74.1 74.3 74.3 74.4 74.4 74.3 74.5 74.2 74.3 74.6 I
13 74.4 74.4 74.3 74.2 74.1 74.1 74.0 74.0 73.9 73.8 73.7 73.6 73.5 73.7 74.1 74.0 74.2 74.3 74.4 74.3 74.3 74.2 74.1. 74. 0 74.1 -
14 73.9 73.8 73.8 73.6 73.5 73.6 73.3 73.2 73.1 73.0 73.0 72.9 72.9 72.9 72.8 72.8 72.7 72.8 72.7 72.7 72.7 72.8 72.7 72.7 73.1 15 72.8 72.8 72.8 72.8 72.8 72.9 72.8 72.8 72.9 72.9 72.9.72.9 72.9 72.9 72.9 72.9 72.9 72.8 72.7 72.7 72.7 72.6 72.6 72.7 72.8 -
16 72.7 72.7 72.7 72.6 72.5 72.6 72.6 72.6 72.7 72.7 72.7 72.7 72.8 72.8 72.8 72.9 72.8 72.7 72.7 72.9 72.8 72.7 72.9 73.1 72.7 17 73.1 73.0 73.2 73.1 73.3 73.3 S3.3 73.3'73.3 73.3 73.4 73.5 73.6 73.5 73.5 73.7 73.7 73.5 73.5 73.7 73.7 73.6 73.7 73.9 73.4 18 74. 0 73.9 73.9 73.8 73.8 73.7 73.7 73.7 73.6 73.6 73.7 73.6 73.5 '73.4 73.3 73.4 73.5 73.3 73.3 73.2 73.3 73.4 73.5 73.5 73.6 19 73.4 73.6 73.7 73.6 73.5 73.5 73.4 73.4 73.2 73.4 73.4 73.3 73.1 73.1 73.1 73.1 73.2 73.1 73.2 73.4 73.4 73.5 73.5 73.6 73.4 20 73.8 73.8 73.9 73.9 73.9 73.9 73.8 73.8 73.8.73.8 73.8 73.7 73.6 73.6 73.6 73.5 73.5 73.5 73.5 73.5 73.5 73.4 73.4 73.4 73.7 21 73.5 73.4 73.4 73.3 73.2 73.1 73.8 73.0 72.9 72.8 72.8 72.7 72.6 72.5 72.5 72.5 72.5 72.4 72.4 72.3 72.1 72.1 72.0 72.0 72.7 22 71.9 71.8 71.7 71.7 71.7 71.6 71.6 71.5 71.5 71.6 71.6 71.7 71.7 71.8 71.7 71.6 71.4 71.3 71.2 71.3 71.3 71.4 71.4 71.4 71.6 23 71.5 71.4 71.3 71.2 71.1 71.1 71.0 71.0 71.0 71.1 71.1 71.0 70.9 70.8 70.6 70.4 70.2 70.1 69.9 69.8 69.6 69.5 69.5 69.5 70.6 f
24 69.6 69.6 69.5 69.5 69.4 69.5 69.5 69.6 69.5 69.6 69.7 69.7 69.5 69.8 70.1 70.3 70.7 70.9 70.9 70.8 71.0 70.9 70.7 70.7 70.0 25 71.0 71.1 71.1 71.1 71.1 71.1 70.9 10.8 70.7 70.6 70.5 70.3 70.3'-70.2 70.1 70.1 70.1 70.1 70.1 70.0 70.0 69.9 69.9 69.8 70.5 l
26 69.8 69.3 69.8 69.8 69.7 69.6 69.5 69.5 69.5 69.4 69.4 69.3 69.3 69.5 70.0 70.0 70.2 70.2 70.3 70.2-70.1 70.2 70.3 70.5 69.8 l
27 70.4 70.6 70.6 70.5 70.4 70.2 70.1 69.9 69.8 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.8 69.9 70.0 70.3 70.2 70.1 70.2.
70.0 28 70.1 70.1 70.0 69.9 69.9 69.9 69.8 69.9 69.7 69.7 69.7 69.6.69.6 69.5 69.2 69.1 69.1 69.1 69.1 69.1 69.0 69.3 69.4 69.5 69.6 29 69.4 69.3 69.2 69.0. 69.0 68.8 68.8 68.7 68.7 68.6 68.6.68.7 68.7 68.8 68.7 68.5 68.7 68.8 68.8 68.7 68.9 69.0 69.0 68.9 68.8 30 68.8 68.8 68.7 68.6 68.6 68.5 68.4 68.4 68.4 68.4 68.5 68.6 68.6 68.5 68.4 68.3 68.4 68.4 68.3 68.4 68.4 68.5 68.6 68.5 68.5 31 68.5 68.5 68.4 68.4 68.3 68.3 68.2 68.3 68.2 68.1 67.9 67.7 67.6 67.5 67.5 67.4 67.3 67.3 67.3 67.3 67.5 67.7 68.1 68.0 67.9
- MONTHLY AVERACE 73.1 l
L________
L________
-- ~ -


TABLE 3.2-9 AVERACE HOURLY TDIPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 SEPTEMBER 1982 DA!LY DAY                                                               HOUR                                                         AVERACE I   2         3 4 5     6   7   8   9   10   11   12   13   14   15   16 17   18   19   20 21   22   23   24 1 67.9 68.0 68.0 68.0 68.0 68.0 68.0 67.9 67.9 67.9 67.9 67.9 67.8 67.8 67.7 67.5 67.5 67.4 67.4 67.4 67.4 67.4 67.4 67.3       67.7 2 67.3 67.3 67.3 67.3 67.2 67.1 67.1 67.1 67.0 66.9 66.7 66.5 66.5 66.6 66.6 66.6 66.7 66.8 66.8 66.9 66.9 67.0 67.0 67.0       66.9 3 67.0 67.0 67.0 67.0 67.1 67.0 67.0 67.1 67.0 67.0 67.1 67.0 66.9 67.1 67.4 67.4 67.7 68.3 68.3 68.5 68.4 68.2 68.2 68.2       67.5 4 68.1 68.1 68.0 68.0 67.9 67.9 67.9 67.8 67.9 67.9 67.9 67.9 67.9 68.0 68.0 68.1 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.1       68.0 5 68.0 68.0 67.9 67.9 67.8 67.8 67.7 67.6 67.6 67.5 67.5 67.4 67.4 67.4 67.3 67.2 67.1 67.0 67.1 67.1 67.1 67.1 67.2 67.4       67.5 6 67.4 67.3 67.4 67.5 67.6 67.7 67.6 67.7 67.8 67.8 67.6 67.8 67.9 68.0 67.9 67.9 67.9 67.9 67.9 67.9 67.9 68.0 68.0 67.9       67.8 7 67.9 67.8 67.6 67.8 68.2 68.2 68.1 68.1 68.0 68.1 68.1 68.0 67.9 67.8 67.8 67.6 67.5 67.8 67.9 67.8 67.6 67.5 67.7 67.7       67.9 8 67.7 67.8 67.8 67.7 67.7 67.7 67.7 67.8 67.7 67.6 67.5 67.4 67.4 67.3 67.1 66.9 66.9 66.9 67.1 67.0 66.9 66.9 66.9 67.0       67.4 9 67.0 67.0 67.1 67.0 67.0 67.0 67.0 66.9 66.9 66.9 67.0 66.9 66.9 66.8 66.8 65.8 66.8 66.9 66.9 66.9 66.9 66.9 67.0 67.0       66.9 y    10 67.2 67.1 67.1 67.1 67.3 67.3 67.3 67.3 67.5 67.5 67.5 67.5 67.4 67.3 67.3 67.2 67.2 67.3 67.3 67.5 67.5 67.3 67.5 67.3       67.3
TABLE 3.2-9 AVERACE HOURLY TDIPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 SEPTEMBER 1982 DA!LY DAY HOUR AVERACE I
                          = 11 67.5 67.6 67.5 67.6 67.6 67.6 67.8 67.8 67.8 67.7 67.7 67.8 67.7 67.7 67.7 67.6 67.5 67.4 67.4 67.3 67.3 67.3 67.3 67.3       66%
2 3
I 12 67.3 67.3 67.2 67.3 67.3 67.2 67.3 67.3 67.3 67.2 67.3 . 67.3 67.2 67.3 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4     67.3 13 67.3 67.3 67.4 67.4 67.4 67.4 67.4 67.4 67.5 67.5 67.5 67.6 67.6 67.9 67.8 67.8 67.9 67.9 68.0 68.2 68.3 68.5 68.7 68.8       67.8 14 68.6 68.3 68.5 68.8 68.9 68.9 68.9 68.9 68.9 68.9 68.9 68.9 69.0 69.0 69.1 69.1 69.! 69.1 69.1 69.I 69.2 69.2 69.2 69.2       69.0 15 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.3 69.3 69.3 69.3 69.2 69.2 69.2 69.2 69.2 69.1 69.1 69.2 69.2 69.2 69.2       69.2 16 69.3 69.3 69.4 69.3 69.3 69.2 69.2 69.2 69.2 69.1 69.2 69.1 69.1 69.1 69.1 69.1 61.0 69.1 - 69.0 69.0 69.0 69.0 68.9 68.9     69.1 17 68.9 68.9 68.8 68.9 68.8 68.8 68.8 68.7 68.7 68.8 68.8 68.9 69.1 69.2 69.4 69.5 69.5 69.5 69.4 69.3 69.2 69.2 69.1 69.1       69.1 18 69.0 69.0 68.9 68.8 68.7 68.6 68.6 68.5 68.5 68.4 68.4 68.3 68.1 68.0 67.9 68.0 68.1 68.1 68.0 67.9 67.7 67.5 67.3 67.0       68.2 19 66.9 66.8 66.7 66.5 66.4 66.3 66.2 66.2 66.3 66.3 66.4 66.5 66.6 66.6 66.6 66.6 66.6 66.8 66.9 67.1 67.1 67.1 67.0 66.7       66.6 20 66.6 66.5 66.4 66.3 66.1 65.9 65.7 65.6 65.5 65.6 65.6 65.7 65.6 65.5 65.6 65.5 65.6 65.7 65.8 65.7 65.9 65.8 65.8 65.8       65.8 21 65.8 65.7 65.7 65.7 65.6 65.6 65.5 65.5 65.5 65.6 65.6 65.5 65.4 65.4 65.2 65.2 65.0 64.9 65.0 65.0 65.0 64.9 65.0 65.1     ' 65.4 22 65.1 65.1 65.0 65.0 65.0 65.0 65.0 65.0 65.0 64.9 64.9 64.9 64.8 64.7 64.6 64.5 64.4 64.5 64.5 64.5 64.5 64.5 64.5 64.5       64.8 23 64.5 64.5 64.5 64.5 64.5 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.3 64.2 64.2 64.1 64.0 64.0 64.0 64.1 64.0 64.0 64.0 64.0       64.3 24 63.9 63.9 63.8 63.8 63.8 63.7 63.8 63.7 63.7 63.7 63.7 63.6 63.5 63.4 63.4 63.4 63.4 63.3 63.3 63.2 63.2 63.4 63.6 63.7       63.6 25 63.7 63.6 63.6 63.5 63.5 63.4 63.4 63.4 63.3 63.3 63.4 63.4 63.5 63.4 63.4 63.4 63.4 63 4 63.4 63.3 63.3 63.2 63.2 63.2       63.4 26 63.2 63.2 63.2 63.2 63.2 63.4 63.4 63.4 63.4 63.3 63.4 63.4 63.4 63.4 63.3 63.3 63.3 63.2 63.2 63.2 63.1 63.1 63.1 63.0       63.3 27 63.1 63.1 63.1 63.1 63.2 63.2 63.2 63.3 63.3 63.2 63.1 63.1 63.1 63.1 63.0 62.8 62.7 62.7 62.7 62.8 62.8 62.9 62.9 62.9       63.0 28 62.9 62.9 62.9 62.9 62.9 62.8 62.8 62.8 62.8 62.9 62.9 62.9 62.8 .62.8 62.9 63.0 63.1 63.1 63.1 63.0 63.0 62.9 62.8 62.8     62.9 29 62.7 62.6 62.6 62.6 62.5 62.5 62.5 62.4 62.5 62.5 62.5 62.6 62.6 62.7 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.7       62.7 30 62.7 62.7 62.6 62.6 62.6 62.6 62.5 62.5 62.5 62.4 52.4 62.3 .62.3 62.3 62.3 62.4 62.5 62.6 t2.6 62.7 62.7 62.7 62.7 62.7     62.5 MONTHLY AVERACE   66.3
4 5
6 7
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
67.9 68.0 68.0 68.0 68.0 68.0 68.0 67.9 67.9 67.9 67.9 67.9 67.8 67.8 67.7 67.5 67.5 67.4 67.4 67.4 67.4 67.4 67.4 67.3 67.7 2
67.3 67.3 67.3 67.3 67.2 67.1 67.1 67.1 67.0 66.9 66.7 66.5 66.5 66.6 66.6 66.6 66.7 66.8 66.8 66.9 66.9 67.0 67.0 67.0 66.9 3
67.0 67.0 67.0 67.0 67.1 67.0 67.0 67.1 67.0 67.0 67.1 67.0 66.9 67.1 67.4 67.4 67.7 68.3 68.3 68.5 68.4 68.2 68.2 68.2 67.5 4
68.1 68.1 68.0 68.0 67.9 67.9 67.9 67.8 67.9 67.9 67.9 67.9 67.9 68.0 68.0 68.1 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.1 68.0 5
68.0 68.0 67.9 67.9 67.8 67.8 67.7 67.6 67.6 67.5 67.5 67.4 67.4 67.4 67.3 67.2 67.1 67.0 67.1 67.1 67.1 67.1 67.2 67.4 67.5 6
67.4 67.3 67.4 67.5 67.6 67.7 67.6 67.7 67.8 67.8 67.6 67.8 67.9 68.0 67.9 67.9 67.9 67.9 67.9 67.9 67.9 68.0 68.0 67.9 67.8 7
67.9 67.8 67.6 67.8 68.2 68.2 68.1 68.1 68.0 68.1 68.1 68.0 67.9 67.8 67.8 67.6 67.5 67.8 67.9 67.8 67.6 67.5 67.7 67.7 67.9 8
67.7 67.8 67.8 67.7 67.7 67.7 67.7 67.8 67.7 67.6 67.5 67.4 67.4 67.3 67.1 66.9 66.9 66.9 67.1 67.0 66.9 66.9 66.9 67.0 67.4 9
67.0 67.0 67.1 67.0 67.0 67.0 67.0 66.9 66.9 66.9 67.0 66.9 66.9 66.8 66.8 65.8 66.8 66.9 66.9 66.9 66.9 66.9 67.0 67.0 66.9 10 67.2 67.1 67.1 67.1 67.3 67.3 67.3 67.3 67.5 67.5 67.5 67.5 67.4 67.3 67.3 67.2 67.2 67.3 67.3 67.5 67.5 67.3 67.5 67.3 67.3 y
=
11 67.5 67.6 67.5 67.6 67.6 67.6 67.8 67.8 67.8 67.7 67.7 67.8 67.7 67.7 67.7 67.6 67.5 67.4 67.4 67.3 67.3 67.3 67.3 67.3 66%
12 67.3 67.3 67.2 67.3 67.3 67.2 67.3 67.3 67.3 67.2 67.3. 67.3 67.2 67.3 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.3 I
13 67.3 67.3 67.4 67.4 67.4 67.4 67.4 67.4 67.5 67.5 67.5 67.6 67.6 67.9 67.8 67.8 67.9 67.9 68.0 68.2 68.3 68.5 68.7 68.8 67.8 14 68.6 68.3 68.5 68.8 68.9 68.9 68.9 68.9 68.9 68.9 68.9 68.9 69.0 69.0 69.1 69.1 69.! 69.1 69.1 69.I 69.2 69.2 69.2 69.2 69.0 15 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.3 69.3 69.3 69.3 69.2 69.2 69.2 69.2 69.2 69.1 69.1 69.2 69.2 69.2 69.2 69.2 16 69.3 69.3 69.4 69.3 69.3 69.2 69.2 69.2 69.2 69.1 69.2 69.1 69.1 69.1 69.1 69.1 61.0 69.1 - 69.0 69.0 69.0 69.0 68.9 68.9 69.1 17 68.9 68.9 68.8 68.9 68.8 68.8 68.8 68.7 68.7 68.8 68.8 68.9 69.1 69.2 69.4 69.5 69.5 69.5 69.4 69.3 69.2 69.2 69.1 69.1 69.1 18 69.0 69.0 68.9 68.8 68.7 68.6 68.6 68.5 68.5 68.4 68.4 68.3 68.1 68.0 67.9 68.0 68.1 68.1 68.0 67.9 67.7 67.5 67.3 67.0 68.2 19 66.9 66.8 66.7 66.5 66.4 66.3 66.2 66.2 66.3 66.3 66.4 66.5 66.6 66.6 66.6 66.6 66.6 66.8 66.9 67.1 67.1 67.1 67.0 66.7 66.6 20 66.6 66.5 66.4 66.3 66.1 65.9 65.7 65.6 65.5 65.6 65.6 65.7 65.6 65.5 65.6 65.5 65.6 65.7 65.8 65.7 65.9 65.8 65.8 65.8 65.8 21 65.8 65.7 65.7 65.7 65.6 65.6 65.5 65.5 65.5 65.6 65.6 65.5 65.4 65.4 65.2 65.2 65.0 64.9 65.0 65.0 65.0 64.9 65.0 65.1
' 65.4 22 65.1 65.1 65.0 65.0 65.0 65.0 65.0 65.0 65.0 64.9 64.9 64.9 64.8 64.7 64.6 64.5 64.4 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.8 23 64.5 64.5 64.5 64.5 64.5 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.3 64.2 64.2 64.1 64.0 64.0 64.0 64.1 64.0 64.0 64.0 64.0 64.3 24 63.9 63.9 63.8 63.8 63.8 63.7 63.8 63.7 63.7 63.7 63.7 63.6 63.5 63.4 63.4 63.4 63.4 63.3 63.3 63.2 63.2 63.4 63.6 63.7 63.6 25 63.7 63.6 63.6 63.5 63.5 63.4 63.4 63.4 63.3 63.3 63.4 63.4 63.5 63.4 63.4 63.4 63.4 63 4 63.4 63.3 63.3 63.2 63.2 63.2 63.4 26 63.2 63.2 63.2 63.2 63.2 63.4 63.4 63.4 63.4 63.3 63.4 63.4 63.4 63.4 63.3 63.3 63.3 63.2 63.2 63.2 63.1 63.1 63.1 63.0 63.3 27 63.1 63.1 63.1 63.1 63.2 63.2 63.2 63.3 63.3 63.2 63.1 63.1 63.1 63.1 63.0 62.8 62.7 62.7 62.7 62.8 62.8 62.9 62.9 62.9 63.0 28 62.9 62.9 62.9 62.9 62.9 62.8 62.8 62.8 62.8 62.9 62.9 62.9 62.8.62.8 62.9 63.0 63.1 63.1 63.1 63.0 63.0 62.9 62.8 62.8 62.9 29 62.7 62.6 62.6 62.6 62.5 62.5 62.5 62.4 62.5 62.5 62.5 62.6 62.6 62.7 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.7 62.7 30 62.7 62.7 62.6 62.6 62.6 62.6 62.5 62.5 62.5 62.4 52.4 62.3.62.3 62.3 62.3 62.4 62.5 62.6 t2.6 62.7 62.7 62.7 62.7 62.7 62.5 MONTHLY AVERACE 66.3


i TABLE 3.2-10 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 7 OCTOBER 1982 DAILY DAY                                                                                                   HOUR                                                                                                                               AVERAGE' I     2   3   4   5     6       7     8 9   10                   11                 12   13   14     15             16   17 .. 18                       19                   20         21         22 23   24 I   62.7 62.7 62.6 62.6 62.6 62.6 62.6 62.6 62.6 62.5 ~62.5. 62.4 62.5 62.5 62.6 62.9 63.1 .63.2 63.2 63.2 63.3 63.2 63.1 c3.1 "                                                                                                           62.8 2   62.9 62.9 62.8. 62.8 62.7 62.6 62.5 62.4 62.3 62.3 62.4 62.4 62.4 62.6 62.6 62.6 62.6 62.5 62.5 62.4 62.4 62.3 62.3 '62.3                                                                                                             62.5:
i TABLE 3.2-10 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 7 OCTOBER 1982 DAILY DAY HOUR AVERAGE' I
3   62.3 62.2 62.2 62.1 62.2 62.2 62.1 62.1 62.I 62.1 62.1 62.1 62.2 62.1 62.1 62.I 62.1 62.1 62.0 62.1 62.1 62.1 62.1 62.3                                                                                                               62.1 4   62.1 62.2 62.3 62.2 62.2 62.2 62.2 62.1 62.1 62.1 62.0 62.0 61.8 62.0 62.1. 62.5 62.6 62.5 62.5 62.6 62.7 62.7- 62.7 62.7                                                                                                             62.3' 5   62.7 62.6 62.6 62.5 62.5 62.4 62.3 62.3 .62.3 62.3 62.4 62.4 -62.3 62.1 62.1 62.2 62.3 62.3 62.4 62.4 62.5 62.5 '62.5 62.4                                                                                                             62.4 6   62.5 62.6 62.7 62.7 62.8 62.7 62.6 62.7 62.7 62.7 62.6 62.6 62.4 62.2 62.1 62.1 62.1 62.1 62.0 62.0 62.0 62.1 62.1 62.1                                                                                                               62.4 7   62.2 62.2 62.2 62.1 62.1 62.0 62.0 62.0 61.9 61.9 62.1 62.1 62.2 62.1 62.0 61.9 61.8 61.7 61.9 61.7 .61.7 61.7 61.6 61.6                                                                                                               61.9 8 . 61.7 61.8 61.7 61.7 61.8 61.8 61.7 61.7.61.7 61.7 61.7 61.7 61.7 61.6 61.5 61.5 61.6 61.6 61.6 61.6 61.6 61.5 61.3 61.1                                                                                                                 61.6 9   61.0 60.9 60.9 61.0 61.1 61.1 61.0 61.0 60.9 60.9 61.0 61.1 61.1 61.1 61.1 61.0 60.9 60.9 60.9 .60.8 60.7 60.5 60.4 60.4                                                                                                               60.9 l       10     60.3 60.3 60.2 60.2 60.2 60.2 60.1 60.0 60.0 60.0 60.1 60.1 60.1 60.2 60.2 60.2 60.1 59.9 59.9 60.0 59.9 59.7 59.7 59.6                                                                                                               60.0 -
2 3
A         11     59.6 59.5 59.4 59.2 59.2 59.1 59.0 59.0 58.9 58.9 58.9 58.9 58.7 58.6 58.5 58.1 58.1 58.0 $8.1 58.3 58.6 58.4 58.4 58.4                                                                                                               58.7
4 5
[         12   58.4 58.3 58.2 58.2 58.2 58.2 58.2 58.2 58.2 58.2 58.1 58.0 '57.9 57.7 57.7 57.8 57.9 58.0 58.1 58.1. 58.1 57.9 .57.9 .57.8                                                                                                           58.1 13   57.8 57.8 57.7 57.7 57.7 57.7 57.7 57.7 57.7 57.7 57.8 57.7 57.7 57.6 57.5 57.5 57.7 57.8 57.8 57.5 57.5 57.6 .57.6 .57.6                                                                                                             37.7 ~
6 7
14     57.6 57.6 57.6 57.6 57.5 57.5 57.5 57.5 57.5 57.4 57.5 57.4 57.3 57.3 57.3 57.4 57.5 57.5 57.5 57.5 57.5 57.4 57.4 57.4                                                                                                               57.5 15     57.3 57.3 57.4 57.4 57.3 57.3 57.4 57.4 57.4 57.3 57.4 57.3 57.3 57.2 57.2 57.1 57.0 %.9 %.8 %.8 M.8 %.8 %.8 %.9                                                                                                                       57.2 16     56.8 %.7 56.7 %. 8 56.7 56.6 56.6 56.7 %.6 56.6 ~ %.7 %.6 %. 6 56.6 %.6 %.5 %.5 %.6 %.4 56.4 %.3 - M.3 M.2 M.3                                                                                                                         SL6-17     56.2 56.2 56.1. %.0 55.9 55.7 55.5 55.5 55.6 55.5 55.4 55.4 55.3 55.3 55.4 55.3 55.2 55.1 55.0 54.9 '54.7 54.6 %.6 54.4                                                                                                               55~4
8 9
              .      18     54.4 54.4 54.3 54.3 54.3 54.3 54.4 54.4 54.3 54.3 54.3.54.1 54.0 53.9 53.9 54.0 54.I 54.0 54.1 54.1 54.1 53.9 53.9 53.8                                                                                                               54.2                           l 19     53.8 53.8 53.7 53.6 53.6 53.5 53.5 53.6 53.6 53.6 53.7 - 53.7 53.6 53.9 54.1 54.0 53.9 53.8 53.7 53.6 53.5 53.5 53.5 53.5                                                                                                             53.1 20     53.4 53.5 53.4 53.3 53.3 53.3 53.3 53.3 53.2 53.2 53.1 52.9 52.8 52.7 52.8 52.9 53.0 53.1 53.2 .53.1 53.0 52.9 53.0 52.9                                                                                                               53.1 21     52.9 52.9 52.9 52.8 52.8 52.8 52.8 52.8 52.7 .52.7 52.8 52.8 52.9 53.1 53.3 -53.5 53.6 53.6 53.5 53.5 53.4 53.4 53.3. 53.2                                                                                                             53.1                           ;
10 11 12 13 14 15 16 17.. 18 19 20 21 22 23 24 I
22     53.1 53.1 53.0 53.0 52.9 52.9 52.8 52.8 52.7 52.7 52.5 52.4 52.4 52.4 52.4 52.6 52.7 52.8 52.8 52.8 52.8 52.7 52.7 52.6                                                                                                               52.7                           j 23     52.6 52.6 52.5 52.4 52.2 52.1 52.1 52.1 52.0 52.0 52.1 ,52.0 52.1 52.3 52.3 52.3 52.2 52.1 52.0 52.0 $1.9 51.9 51.9 51.8                                                                                                               52.1                           1 24     51.8 51.7 51.7 51.6 51.5 51.5 51.4 51.4 51.4 51.5-51.5 51.6 51.6 51.8 51.6 51.6 51.6 51.6 51.6 51.6 51.6 51.5 51.5'51.4 -                                                                                                             51.6 25     51.3 51.2 51.2 51.1 51.0 50.9 50.8 50.8 50.7 50.7 50.7 50.8 50.7 50.6 50.5 50.3 50.3 50.2 50.1 50.1 50.0 49.9 49.8 49.8-                                                                                                               50.6 26     49.8 49.7 49.7 49.6 49.6 49.6 49.5 49.5 49.5 49.3 49.3 49.3 49.2 49.0 49.0 49.0 49.1 49.2 49.0 49.0 49.0 49.0 48.9 -48.9                                                                                                             49.3 27     48.8 48.8 48.7 . 48.6 48.6 48.5 48.5 48.5 48.4 48.5 48.7 48.8 48.9 49.0 48.9 48.8 48.8 48.7 48.7 48.7 48.8 48.8 48.7 48.6                                                                                                             48.7 28     48.7 48.7 48.8 48.8 48.7 48.6 48.6 48.6 48.6'48.6 48.6 48.8 48.8 48.8 48.8 48.7 '48.6 48.6 48.6 48.6 48.6 48.6 48.6 48.7                                                                                                             48.7 29     48.7 48.7 48.7 48.7 48.6 48.7 48.8 48.8 48.9 48.9 .48.8 48.8 48.9 48.9 48.9 48.9 48.9 A8.9 48.7 48.8 48.7 48.7 48.6 48.8                                                                                                             48.8 30     48.7 48.7 48.7 48.7 48.7 48.9 48.8 48.7 48.8 48.8 48.8 48.8 48.9 48.9 48.9 48.9 48.9 48.9 48.9 48.9 48.9 49.0 49.2 49.1                                                                                                               48.9 31     49.1 49.2 49.1 49.1 49.1 49.0 49.1 49.1 49.2 49.3 49.4 49.4 49.3 49.3 49.3 49.3 49.3 49.3 49.4 49.5 49.6 49.7 49.8 49.8                                                                                                               49.3 I
62.7 62.7 62.6 62.6 62.6 62.6 62.6 62.6 62.6 62.5 ~62.5. 62.4 62.5 62.5 62.6 62.9 63.1.63.2 63.2 63.2 63.3 63.2 63.1 c3.1 "
                                                                                                                                                                                                                              ' MONTHLY AVERACE                 '55.9 1
62.8 2
1 g __                                                                         _ _ . - - - . . . - . . . . . - . . _ ,            . .
62.9 62.9 62.8. 62.8 62.7 62.6 62.5 62.4 62.3 62.3 62.4 62.4 62.4 62.6 62.6 62.6 62.6 62.5 62.5 62.4 62.4 62.3 62.3 '62.3 62.5:
3 62.3 62.2 62.2 62.1 62.2 62.2 62.1 62.1 62.I 62.1 62.1 62.1 62.2 62.1 62.1 62.I 62.1 62.1 62.0 62.1 62.1 62.1 62.1 62.3 62.1 4
62.1 62.2 62.3 62.2 62.2 62.2 62.2 62.1 62.1 62.1 62.0 62.0 61.8 62.0 62.1. 62.5 62.6 62.5 62.5 62.6 62.7 62.7-62.7 62.7 62.3' 5
62.7 62.6 62.6 62.5 62.5 62.4 62.3 62.3.62.3 62.3 62.4 62.4 -62.3 62.1 62.1 62.2 62.3 62.3 62.4 62.4 62.5 62.5 '62.5 62.4 62.4 6
62.5 62.6 62.7 62.7 62.8 62.7 62.6 62.7 62.7 62.7 62.6 62.6 62.4 62.2 62.1 62.1 62.1 62.1 62.0 62.0 62.0 62.1 62.1 62.1 62.4 7
62.2 62.2 62.2 62.1 62.1 62.0 62.0 62.0 61.9 61.9 62.1 62.1 62.2 62.1 62.0 61.9 61.8 61.7 61.9 61.7.61.7 61.7 61.6 61.6 61.9 8. 61.7 61.8 61.7 61.7 61.8 61.8 61.7 61.7.61.7 61.7 61.7 61.7 61.7 61.6 61.5 61.5 61.6 61.6 61.6 61.6 61.6 61.5 61.3 61.1 61.6 9
61.0 60.9 60.9 61.0 61.1 61.1 61.0 61.0 60.9 60.9 61.0 61.1 61.1 61.1 61.1 61.0 60.9 60.9 60.9.60.8 60.7 60.5 60.4 60.4 60.9 l
10 60.3 60.3 60.2 60.2 60.2 60.2 60.1 60.0 60.0 60.0 60.1 60.1 60.1 60.2 60.2 60.2 60.1 59.9 59.9 60.0 59.9 59.7 59.7 59.6 60.0 -
A 11 59.6 59.5 59.4 59.2 59.2 59.1 59.0 59.0 58.9 58.9 58.9 58.9 58.7 58.6 58.5 58.1 58.1 58.0 $8.1 58.3 58.6 58.4 58.4 58.4 58.7
[
12 58.4 58.3 58.2 58.2 58.2 58.2 58.2 58.2 58.2 58.2 58.1 58.0 '57.9 57.7 57.7 57.8 57.9 58.0 58.1 58.1. 58.1 57.9.57.9.57.8 58.1 13 57.8 57.8 57.7 57.7 57.7 57.7 57.7 57.7 57.7 57.7 57.8 57.7 57.7 57.6 57.5 57.5 57.7 57.8 57.8 57.5 57.5 57.6.57.6.57.6 37.7 ~
14 57.6 57.6 57.6 57.6 57.5 57.5 57.5 57.5 57.5 57.4 57.5 57.4 57.3 57.3 57.3 57.4 57.5 57.5 57.5 57.5 57.5 57.4 57.4 57.4 57.5 15 57.3 57.3 57.4 57.4 57.3 57.3 57.4 57.4 57.4 57.3 57.4 57.3 57.3 57.2 57.2 57.1 57.0 %.9 %.8 %.8 M.8 %.8 %.8 %.9 57.2 16 56.8 %.7 56.7
%. 8 56.7 56.6 56.6 56.7 %.6 56.6 ~ %.7 %.6 %. 6 56.6 %.6 %.5 %.5 %.6 %.4 56.4 %.3 - M.3 M.2 M.3 SL6-17 56.2 56.2 56.1. %.0 55.9 55.7 55.5 55.5 55.6 55.5 55.4 55.4 55.3 55.3 55.4 55.3 55.2 55.1 55.0 54.9 '54.7 54.6 %.6 54.4 55~4 18 54.4 54.4 54.3 54.3 54.3 54.3 54.4 54.4 54.3 54.3 54.3.54.1 54.0 53.9 53.9 54.0 54.I 54.0 54.1 54.1 54.1 53.9 53.9 53.8 54.2 l
19 53.8 53.8 53.7 53.6 53.6 53.5 53.5 53.6 53.6 53.6 53.7 - 53.7 53.6 53.9 54.1 54.0 53.9 53.8 53.7 53.6 53.5 53.5 53.5 53.5 53.1 20 53.4 53.5 53.4 53.3 53.3 53.3 53.3 53.3 53.2 53.2 53.1 52.9 52.8 52.7 52.8 52.9 53.0 53.1 53.2.53.1 53.0 52.9 53.0 52.9 53.1 21 52.9 52.9 52.9 52.8 52.8 52.8 52.8 52.8 52.7.52.7 52.8 52.8 52.9 53.1 53.3 -53.5 53.6 53.6 53.5 53.5 53.4 53.4 53.3. 53.2 53.1 22 53.1 53.1 53.0 53.0 52.9 52.9 52.8 52.8 52.7 52.7 52.5 52.4 52.4 52.4 52.4 52.6 52.7 52.8 52.8 52.8 52.8 52.7 52.7 52.6 52.7 j
23 52.6 52.6 52.5 52.4 52.2 52.1 52.1 52.1 52.0 52.0 52.1,52.0 52.1 52.3 52.3 52.3 52.2 52.1 52.0 52.0 $1.9 51.9 51.9 51.8 52.1 1
24 51.8 51.7 51.7 51.6 51.5 51.5 51.4 51.4 51.4 51.5-51.5 51.6 51.6 51.8 51.6 51.6 51.6 51.6 51.6 51.6 51.6 51.5 51.5'51.4 -
51.6 25 51.3 51.2 51.2 51.1 51.0 50.9 50.8 50.8 50.7 50.7 50.7 50.8 50.7 50.6 50.5 50.3 50.3 50.2 50.1 50.1 50.0 49.9 49.8 49.8-50.6 26 49.8 49.7 49.7 49.6 49.6 49.6 49.5 49.5 49.5 49.3 49.3 49.3 49.2 49.0 49.0 49.0 49.1 49.2 49.0 49.0 49.0 49.0 48.9 -48.9 49.3 27 48.8 48.8 48.7. 48.6 48.6 48.5 48.5 48.5 48.4 48.5 48.7 48.8 48.9 49.0 48.9 48.8 48.8 48.7 48.7 48.7 48.8 48.8 48.7 48.6 48.7 28 48.7 48.7 48.8 48.8 48.7 48.6 48.6 48.6 48.6'48.6 48.6 48.8 48.8 48.8 48.8 48.7 '48.6 48.6 48.6 48.6 48.6 48.6 48.6 48.7 48.7 29 48.7 48.7 48.7 48.7 48.6 48.7 48.8 48.8 48.9 48.9.48.8 48.8 48.9 48.9 48.9 48.9 48.9 A8.9 48.7 48.8 48.7 48.7 48.6 48.8 48.8 30 48.7 48.7 48.7 48.7 48.7 48.9 48.8 48.7 48.8 48.8 48.8 48.8 48.9 48.9 48.9 48.9 48.9 48.9 48.9 48.9 48.9 49.0 49.2 49.1 48.9 31 49.1 49.2 49.1 49.1 49.1 49.0 49.1 49.1 49.2 49.3 49.4 49.4 49.3 49.3 49.3 49.3 49.3 49.3 49.4 49.5 49.6 49.7 49.8 49.8 49.3 I
' MONTHLY AVERACE
'55.9 1
1 g __


TABLE 3.2                                                                           AVERAGE HOURLY TEMPERATURE lN *F VERMONT YANKEE SAMPLE STATION NO. 7 NOVEMBER 1982 D41LY
TABLE 3.2 AVERAGE HOURLY TEMPERATURE lN *F VERMONT YANKEE SAMPLE STATION NO. 7 NOVEMBER 1982 D41LY
                  ' D4Y                                                                                   HOUR                                                                   AVERACE I   2                3 .4- 5' 6 7  8    9    10              11          12  13 ' 14    15  16  17  18 ~ 19            20  21  22    23 ~ 24 1 49.9 49.9 49.9. 49.9 49.9 49.9 49.9 49.9 49.9 . 49.8, 49.9 50.0 50.0 50.1 50.1 50.4 50.3 50.3 50.4 50.6 50.6 50.6 50.6,50.6                                  50.1 2
' D4Y HOUR AVERACE I
50.6 50.5 50.6 50.6 50.6 50.6 50.5 50.*i 50.5 50.5 50.4 50.3 50.3 50.3 50.3 50.4 50.5 50.7 50.9 50.9 51.0.51.0 51.0 51.0                                    50.6 3
2 3
4 50.9 50.9 50.9 50.9 50.9 50.9 50.8 50.7 50.7 50.6 50.6 50.7 50.9 50.9 50.8 50.8 50.8 50.9 51.0' 51.2 51.3 51.2 51.2 51.1                      -
.4-5' 6
s 50.9 -
51.0 51.0 51.0 50.9 50.9 50.9 50.9 50.9 50.9 51.0 51.0 51.1 51.3 51.5 51.6 51.8 51.9 52.0 52.1 52.3 52.4 52.5 52.7 52.7                                      51.5 5
52.9 52.9 53.0 53.0 53.0 53.0 53.0 53.0 53.0 53.1 53.0 52.9 52.9 53.0 53.2 53.2 53.3 53.3 53.2- 53.2 53.0 53.0 53.0 52.9                                    53.0 6
52.8 52.7 52.7 52.7 52.6 52.5 52.6 52.6 52.6 52.6 52.5 52.5 52.6 52.6 52.6 52.6 52.6 52.6 52.5 52.4 52.4 52.4 52.3 52.2                                    ' 52.6 -
7 8
7 8
52.0 51.9 51.9 .51.8 51.6 51.5 51.4 51.4 51.5 51.6 51.7 51.8 51.8 51.8 51.7 51.6 51.4 51.1 50.9 50.7 50.6 50.4 50.1 49.9                                    51.3 49.6 49.2 49.2 48.9 48.7 48.5 48.4 48.3 48.3 48.3 48.4 48.5 48.5 48.5 =8.6 48.6 48.6 48.6 48.6 48.6 48.6 48.7 48.7 48.7                                      48.6 9
9 10 11 12 13 ' 14 15 16 17 18 ~ 19 20 21 22 23 ~ 24 1
48.7 48.7. 48.7 48.7 48.7 48.7 48.6 48.6 48.6 48.6 48.7 48.8 48.9 49.1 49.1 49.2 49.1 49.0 48.9 48.9 48.8 48.8 48.8 48.8                                    48.8 10 g          48.8 48.8 48.7 48.6 48.6 48.5.48.5 48.4 48.4 48.5 48.4 48.5 48.7 48.8 48.9 48.9 48.8 48.7 48.5 48.3 48.2 48.1- 48.1 48.0                                    48.5
49.9 49.9 49.9. 49.9 49.9 49.9 49.9 49.9 49.9. 49.8, 49.9 50.0 50.0 50.1 50.1 50.4 50.3 50.3 50.4 50.6 50.6 50.6 50.6,50.6 50.1 2
            .c. 11 C5 48.0 47.9 47.8 47.7 47.7 47.6 47.6 47.5 47.5 47.5 47.4 47.1 47.0 47.0 47.0 47.0 47.0 46.9 46.7 46.6 46.5 46.5 46.6 46.7 _                                    47.2 12
50.6 50.5 50.6 50.6 50.6 50.6 50.5 50.*i 50.5 50.5 50.4 50.3 50.3 50.3 50.3 50.4 50.5 50.7 50.9 50.9 51.0.51.0 51.0 51.0 50.6 3
            '          46.7 46.8 46.8 46.7 46.7 46.7 46.8 46.7 46.8 46.8 46.8 46.9 47.0 47.1 47.2 -47.1 47.0 46.9 46.9 46.9 46.9 46.8 46.8 46.8                                    46.9 13 46.8 46.8 46.8 46.8 46.8 46.8 46.8 46.8 46.9 46.9 47.0 47.0 47.0 47.0 47.0 47.0 46.9 46.9 46.8 46.8 46.8 46.8 46.8 46.8                                      46.9 14 46.8 46.7 46.6 46.5. 46.4 46.3 .46.2 46.1 46.0 46.0 46.0 46.0 46.0 46.0 46.0 45.9 45.8 45.7 45.6 45.6 45.5 45.4 45.4 45.3                                    46.0 15  45.3 45.3 45.2 45.3 45.3 45.4 45.5 45.5 45.7 45.9 46.0 46.2 46.3, 46.4 46.4 46.4 46.4 46.3 46.2 46.1 45.9 45.8 45.8 45.6                                    45.8 16 45.4 45.3 45.1 45.1 44.9 44.9 44.8 44.7 44.5 44.4 44.1 44.0 44.1 44.0 43.9 43.9 43.8 43.8 43.7 43.7 43.5 43.6 43.4 43.3                                     44.2 17 43.3 43.2 43.2 43.2 43.2 43.1 43.0 42.9 42.8 42.8 42.6 42.7 42.8 42.8 42.9 42.8 42.7 42.7 42.6 42.6 42.6 42.8 42.8 42.8                                      42.9 18 42.8 42.7 42.6 42.6 42.7 42.6 42.6 42.6 42.6 42.6 42.6 42.7 42.7 42.7 42.6 42.5 42.5 42.3 42.2 42.1 41.9 42.0 41.9 41.9                                     42.5 i                  19  41.9 41.9 41.9 41.9 41.9 41.8 41.8 41.8 41.9 , 41.9 41.9 42.0 42.2 42.3 42.4 42.3 42.1 41.9 41.9 41.9 41.8 41.8 41.8 41.8                                   42.0
50.9 50.9 50.9 50.9 50.9 50.9 50.8 50.7 50.7 50.6 50.6 50.7 50.9 50.9 50.8 50.8 50.8 50.9 51.0' 51.2 51.3 51.2 51.2 51.1 s 50.9 -
!                  20 41.8 41.8 41.8 41.8 41.8 41.8 41.9 41.9 .41.9 42.0 42.1 42.2 42.3 42.3 42.3 42.4 42.4 42.4 42.4 42.2 42.1 42.0 41.9 41.9                                     42.1 21
4 51.0 51.0 51.0 50.9 50.9 50.9 50.9 50.9 50.9 51.0 51.0 51.1 51.3 51.5 51.6 51.8 51.9 52.0 52.1 52.3 52.4 52.5 52.7 52.7 51.5 5
,                      41.9 41.9 41.8 41.8 41.8 41.8 41.8 .41.8 41.8 41.8 41.8 41.8 41.8 41.9 41.9 42.0 42.0 42.1 42.2 42.3 42.3 42.4 42.3 42.4                                     42.0-22 l                      42.4 42.4 42.4 42.4 42.4 42.4 42.5 42.5 42.5 42.5 42.6 42.6 42.7 42.7 42.7 42.8 42.6 42.3 42.3 42.4 42.4 42.4 42.4 42.4                                      42.5 23 42.3 42.4 42.3 42.3 42.3 42.3 42.3 42.4 42.3 :42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.3 42.3 42.4. 42.4 42.4 42.4 42.5 42.5                                    42.4 24 42.5 42.5 42.5 42.5 42.5 42.5 42.5 42.4 42.4 42.4 42.4 42.4 42.5 42.5 42.6 42.6 42.6 42.6 42.7 42.7 42.7 42.7 42.6 42.6                                      42.5 25 2
52.9 52.9 53.0 53.0 53.0 53.0 53.0 53.0 53.0 53.1 53.0 52.9 52.9 53.0 53.2 53.2 53.3 53.3 53.2-53.2 53.0 53.0 53.0 52.9 53.0 6
42.7 42.8 43.0 42.9 42.9 42.8 42.7 42.7 42.7 42.6 42.6 42.7 42.8 .42.9 43.0 43.0 43.0 42.8 42.7 42.5 42.4 42.3 42.3 42.2                                    42.7 26  42.1 42.1 42.0 41.9 41.9 41.8 41.8 41.7 41.6 . 41.5                                                                                                          41.6.
52.8 52.7 52.7 52.7 52.6 52.5 52.6 52.6 52.6 52.6 52.5 52.5 52.6 52.6 52.6 52.6 52.6 52.6 52.5 52.4 52.4 52.4 52.3 52.2
I                  27  41.4 41.3 41.3 41.3 41.2 41.1 41.1 40.8 40.8               40.4    40.5        ~41.5 40.3      41.440.6 40.4 40.6 41.5  41.6 40.6 40.641.6 40.441.5 40.2 40.1      41.440.0 41.439.9 41.5  41.5 39.8 39.741.5 40.6 41.5 41.5 41.5 l                 28   39.6 39.6 39.5 39.3 39.3 39.4 39.2 39.2 39.I '39.2 39.2 39.2 39.1 39.0 38.9 38.9 38.6 38.4 38.5 38.4 38.4 38.3 38.3 38.3                                     39.0 29 f                      38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.4 38.4 38.4 38.5 38.5 38.5 38.6 38.7 38.8 38.8 38.8 38.8                                     38.4 j                 30   38.8 38.9 38.9 38.9 38.9 38.9 38.9 38.9 39.0 39.0 39.1 39.2 39.2 39.3 39.4 ,39.4 39.3 39.3 39.3 39.3 39.4 39.4 39.5 39.5                                     39.2 1
' 52.6 -
;                                                                                                                                                              MONTHLY AVERACE     45.4 I
7 52.0 51.9 51.9.51.8 51.6 51.5 51.4 51.4 51.5 51.6 51.7 51.8 51.8 51.8 51.7 51.6 51.4 51.1 50.9 50.7 50.6 50.4 50.1 49.9 51.3 8
49.6 49.2 49.2 48.9 48.7 48.5 48.4 48.3 48.3 48.3 48.4 48.5 48.5 48.5
=8.6 48.6 48.6 48.6 48.6 48.6 48.6 48.7 48.7 48.7 48.6 9
48.7 48.7. 48.7 48.7 48.7 48.7 48.6 48.6 48.6 48.6 48.7 48.8 48.9 49.1 49.1 49.2 49.1 49.0 48.9 48.9 48.8 48.8 48.8 48.8 48.8 g
10 48.8 48.8 48.7 48.6 48.6 48.5.48.5 48.4 48.4 48.5 48.4 48.5 48.7 48.8 48.9 48.9 48.8 48.7 48.5 48.3 48.2 48.1-48.1 48.0 48.5
.c.
11 48.0 47.9 47.8 47.7 47.7 47.6 47.6 47.5 47.5 47.5 47.4 47.1 47.0 47.0 47.0 47.0 47.0 46.9 46.7 46.6 46.5 46.5 46.6 46.7 _
47.2 C5 12 46.7 46.8 46.8 46.7 46.7 46.7 46.8 46.7 46.8 46.8 46.8 46.9 47.0 47.1 47.2 -47.1 47.0 46.9 46.9 46.9 46.9 46.8 46.8 46.8 46.9 13 46.8 46.8 46.8 46.8 46.8 46.8 46.8 46.8 46.9 46.9 47.0 47.0 47.0 47.0 47.0 47.0 46.9 46.9 46.8 46.8 46.8 46.8 46.8 46.8 46.9 14 46.8 46.7 46.6 46.5. 46.4 46.3.46.2 46.1 46.0 46.0 46.0 46.0 46.0 46.0 46.0 45.9 45.8 45.7 45.6 45.6 45.5 45.4 45.4 45.3 46.0 15 45.3 45.3 45.2 45.3 45.3 45.4 45.5 45.5 45.7 45.9 46.0 46.2 46.3, 46.4 46.4 46.4 46.4 46.3 46.2 46.1 45.9 45.8 45.8 45.6 45.8 16 45.4 45.3 45.1 45.1 44.9 44.9 44.8 44.7 44.5 44.4 44.1 44.0 44.1 44.0 43.9 43.9 43.8 43.8 43.7 43.7 43.5 43.6 43.4 43.3 44.2 17 43.3 43.2 43.2 43.2 43.2 43.1 43.0 42.9 42.8 42.8 42.6 42.7 42.8 42.8 42.9 42.8 42.7 42.7 42.6 42.6 42.6 42.8 42.8 42.8 42.9 18 42.8 42.7 42.6 42.6 42.7 42.6 42.6 42.6 42.6 42.6 42.6 42.7 42.7 42.7 42.6 42.5 42.5 42.3 42.2 42.1 41.9 42.0 41.9 41.9 42.5 i
19 41.9 41.9 41.9 41.9 41.9 41.8 41.8 41.8 41.9, 41.9 41.9 42.0 42.2 42.3 42.4 42.3 42.1 41.9 41.9 41.9 41.8 41.8 41.8 41.8 42.0 20 41.8 41.8 41.8 41.8 41.8 41.8 41.9 41.9.41.9 42.0 42.1 42.2 42.3 42.3 42.3 42.4 42.4 42.4 42.4 42.2 42.1 42.0 41.9 41.9 42.1 21 41.9 41.9 41.8 41.8 41.8 41.8 41.8.41.8 41.8 41.8 41.8 41.8 41.8 41.9 41.9 42.0 42.0 42.1 42.2 42.3 42.3 42.4 42.3 42.4 42.0-l 22 42.4 42.4 42.4 42.4 42.4 42.4 42.5 42.5 42.5 42.5 42.6 42.6 42.7 42.7 42.7 42.8 42.6 42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.5 23 42.3 42.4 42.3 42.3 42.3 42.3 42.3 42.4 42.3 :42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.3 42.3 42.4. 42.4 42.4 42.4 42.5 42.5 42.4 24 42.5 42.5 42.5 42.5 42.5 42.5 42.5 42.4 42.4 42.4 42.4 42.4 42.5 42.5 42.6 42.6 42.6 42.6 42.7 42.7 42.7 42.7 42.6 42.6 42.5 2
25 42.7 42.8 43.0 42.9 42.9 42.8 42.7 42.7 42.7 42.6 42.6 42.7 42.8.42.9 43.0 43.0 43.0 42.8 42.7 42.5 42.4 42.3 42.3 42.2 42.7 26 42.1 42.1 42.0 41.9 41.9 41.8 41.8 41.7 41.6. 41.5 I
27 41.4 41.3 41.3 41.3 41.2 41.1 41.1 40.8 40.8 40.5 ~41.5 41.4 41.5 41.6 41.6 41.5 41.4 41.4 41.5 41.5 41.5 41.5 41.5 41.5 41.6.
40.4 40.3 40.4 40.6 40.6 40.6 40.6 40.4 40.2 40.1 40.0 39.9 39.8 39.7 40.6 l
28 39.6 39.6 39.5 39.3 39.3 39.4 39.2 39.2 39.I '39.2 39.2 39.2 39.1 39.0 38.9 38.9 38.6 38.4 38.5 38.4 38.4 38.3 38.3 38.3 39.0 f
29 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.4 38.4 38.4 38.5 38.5 38.5 38.6 38.7 38.8 38.8 38.8 38.8 38.4 j
30 38.8 38.9 38.9 38.9 38.9 38.9 38.9 38.9 39.0 39.0 39.1 39.2 39.2 39.3 39.4,39.4 39.3 39.3 39.3 39.3 39.4 39.4 39.5 39.5 39.2 1
MONTHLY AVERACE 45.4 I
I
I


TABLE 3.2-12 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 DECEMBER 1982 DAY                                                                                                                             DAILY HOUR                                                         AVERAGE I   2   3   4   5   6     7   8   9   10   11   12   13   14   15   16 17   18   19   20   21   22   23   24 1
TABLE 3.2-12 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 DECEMBER 1982 DAY DAILY HOUR AVERAGE I
2  39.5 39.6 39.5 39.6 39.5 39.5 39.6 39.5 39.5 39.5 39.5 39.4 39.4 39.3 39.2 39.2 39.1 39.1 39.1 39.2 39.2 39.3 39.3 39.4     39.4 3  39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.3 39.3 39.4 39.4 39.5 39.6 39.6 39.7 39.7 39.8 39.8 39.9 40.0 40.1 40.1     39.6 4  40.1 40.1 40.1 40.1 40.1 40.0 40.0 40.0 39.9 40.0 39.9 40.0 40.0 40.0 40.1 40.2 40.2 40.3 40.4 40.4 40.5 40.5 40.5 40.6     40.2 5  40.6 40.6 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.6 40.7 40.9 41.0 41.1 41.2 41.3 41.4 41.4 41.4 41.5 41.5 41.5 41.5     40.9 6  41.4 41.3 41.2 41.1 41.0 41.0 41.0 40.9 40.9 40.9 40.9 40.9 40.8 40.8 40.7 40.8 40.8 40.9 41.0 41.0 41.0 41.0 41.0 41.0     41.0 7  41.0 41.0 40.9 40.9 40.9 40.9 40.8 40.9 41.0 41.0 41.0 41.1 41.2 41.3 41.5 41.5 41.6 41.7 41.8 41.8 41.9 42.0 42.0 42.1     41.3 8  42.1 42.1 42.1 42.1 42.1 42.1 42.1 42.0 42.0 42.0 42.0 42.0 42.1 42.2 42.2 42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.3 42.3     42.2 9  42.2 42.1 42.1 42.0 42.0 41.9 41.7 41.6 41.4 41.4 41.3 41.3 41.3 41.3 41.3 41.3 41.3 41.2 41.2 41.2 41.2 41.2 41.2 41.2     41.5 10  41.1 41.1 41.1 41.1 41.1 41.1 41.1 41.1 41.0 40.9 40.9 40.8 40.7 40.6 40.6 40.5 40.3 40.1 40.0 39.9 39.8 39.9 40.0 39.9     40.6 43  !!
2 3
39.9 39.8 39.8 39.6 39.5 39.6 39.7 39.6 39.3 39.1 39.0 39.0 38.9 38.9 38.8 38.7 38.7 38.7 38.6 38.4 38.3 38.2 38.2 38.1     39.0
4 5
-J  12 38.1 38.1 38.1 38.0 38.0 38.0 38.1 38.0 38.0 37.9 37.9 37.8 37.8 37.8 37.8 37.7 37.7 37.6 37.5 37.4 37.3 37.3 37.2 37.2     37.8 8
6 7
13 37.1 37.2 37.1 36.9 37.0 36.9 36.8 36.7 36.6 36.4 36.3 36.3 36.2 36.2 36.1 36.0 36.0 36.0 36.0 36.0 35.9 35.9 35.9 35.8     36.4 14 35.8 35.6 35.6 35.6 35.5 35.4 35.3 35.3 35.2 35.2 35.1 35.0 34.9 34.9 34.9 35.0 35.0 35.1 35.1 35.2 35.0 34.9 34.8 34.7     35.2 15  34.6 34.5 34.3 34.3 34.2 34.3 34.3 34.2 14.2 34.2 34.2 34.1 34.1 34.0 34.0 33.9 33.9 33.9 33.8 33.7 33.6 33.5 33.6 33.5     34.0 16 33.5 33.4 33.5 33.5 33.5 33.5 33.6 33.5 33.6 33.6 33.6 33.5 33.5 33.5 33.4 33.3 33.3 33.2 33.1 33.1 33.1 33.1 33.0 33.0     33.4 11 32.9 32.9 32.9 32.9 32.8 32.9 32.9 33.0 33.0 32.9 33.0 33.1 33.1 33.2 33.2 33.3 33.3 33.3 33.3 33.3 33.3 33.4 33.4 33.5     33.1 18  33.6 33.6 33.7 33.7 33.7 33.6 33.6 33.5 33.5 33.5 33.4 33.4 33.5 33.5 33.5 33.5 33.4 33.4 33.3 33.2 32.9 32.8 32.6 32.5     33.4 19 32.4 32.3 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.3 32.2 32.2 32.2     32.2 20  32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2     32.2 21 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2     32.2 22 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3     32.2 23  32.3 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.3 32.3 32.3     32.3 24  32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.2 32.2 32.2 32.2 32.2     32.2 25 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2     32.2 26  32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3     32.2 27 32.3 32.3 32.3 32.3 32.2 32.3 32.3 32.3 32.3 32.4 32.4 32.4 32.5 32.6 32.7 32.7 32.7 32.7 32.7 32.6 32.6 32.6 32.5 32.5     32.5 28  32.4 32.4 32.4 32.4 32.4 32.4 32.5 32.5 32.5 32.5 32.6 32.7 32.8 32.8 32.9 32.8 32.8 32.9 32.8 32.9 32.9 32.9 32.9 32.9     32.7 29  33.0 33.0 32.9 32.9 32.7 32.7 32.6 32.6 32.6 . 32.6 32.6 32.6 32.6 32.7 32.7 32.9 33.0 33.1 33.2 33.3 33.4 33.5 33.5 33.7   32.9 30 33.7 33.8 33.8 33.8 33.7 33.7 33.6 33.5 33.5 33.4 33.5 33.5 33.7 33.7 33.8 33.8 33.8 33.9 33.9 33.9 33.9 34.0 34.1 14.1     33.8 31  14.2 34.1 14.1 34.0 33.8 33.7 33.6 33.5 33.4 33.4 33.4 33.4 33.5 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6     33.7 33.7 33.6 33.6 33.5 33.5 33.5 33.5 33.6 33.6 33.7 33.8 34.0 34.1 34.2 14.3 34.4 34.4 34.4 34.4 34.4 34.3 34.4 34.4 34.4     34.0 MONTHLY AVERAGE 35.7
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
39.5 39.6 39.5 39.6 39.5 39.5 39.6 39.5 39.5 39.5 39.5 39.4 39.4 39.3 39.2 39.2 39.1 39.1 39.1 39.2 39.2 39.3 39.3 39.4 39.4 2
39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.3 39.3 39.4 39.4 39.5 39.6 39.6 39.7 39.7 39.8 39.8 39.9 40.0 40.1 40.1 39.6 3
40.1 40.1 40.1 40.1 40.1 40.0 40.0 40.0 39.9 40.0 39.9 40.0 40.0 40.0 40.1 40.2 40.2 40.3 40.4 40.4 40.5 40.5 40.5 40.6 40.2 4
40.6 40.6 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.6 40.7 40.9 41.0 41.1 41.2 41.3 41.4 41.4 41.4 41.5 41.5 41.5 41.5 40.9 5
41.4 41.3 41.2 41.1 41.0 41.0 41.0 40.9 40.9 40.9 40.9 40.9 40.8 40.8 40.7 40.8 40.8 40.9 41.0 41.0 41.0 41.0 41.0 41.0 41.0 6
41.0 41.0 40.9 40.9 40.9 40.9 40.8 40.9 41.0 41.0 41.0 41.1 41.2 41.3 41.5 41.5 41.6 41.7 41.8 41.8 41.9 42.0 42.0 42.1 41.3 7
42.1 42.1 42.1 42.1 42.1 42.1 42.1 42.0 42.0 42.0 42.0 42.0 42.1 42.2 42.2 42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.3 42.3 42.2 8
42.2 42.1 42.1 42.0 42.0 41.9 41.7 41.6 41.4 41.4 41.3 41.3 41.3 41.3 41.3 41.3 41.3 41.2 41.2 41.2 41.2 41.2 41.2 41.2 41.5 9
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13 35.8 35.6 35.6 35.6 35.5 35.4 35.3 35.3 35.2 35.2 35.1 35.0 34.9 34.9 34.9 35.0 35.0 35.1 35.1 35.2 35.0 34.9 34.8 34.7 35.2 14 34.6 34.5 34.3 34.3 34.2 34.3 34.3 34.2 14.2 34.2 34.2 34.1 34.1 34.0 34.0 33.9 33.9 33.9 33.8 33.7 33.6 33.5 33.6 33.5 34.0 15 33.5 33.4 33.5 33.5 33.5 33.5 33.6 33.5 33.6 33.6 33.6 33.5 33.5 33.5 33.4 33.3 33.3 33.2 33.1 33.1 33.1 33.1 33.0 33.0 33.4 16 32.9 32.9 32.9 32.9 32.8 32.9 32.9 33.0 33.0 32.9 33.0 33.1 33.1 33.2 33.2 33.3 33.3 33.3 33.3 33.3 33.3 33.4 33.4 33.5 33.1 11 33.6 33.6 33.7 33.7 33.7 33.6 33.6 33.5 33.5 33.5 33.4 33.4 33.5 33.5 33.5 33.5 33.4 33.4 33.3 33.2 32.9 32.8 32.6 32.5 33.4 18 32.4 32.3 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 19 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 20 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 21 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 22 32.3 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.3 32.3 32.3 32.3 23 32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.2 32.2 32.2 32.2 32.2 32.2 24 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 25 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 26 32.3 32.3 32.3 32.3 32.2 32.3 32.3 32.3 32.3 32.4 32.4 32.4 32.5 32.6 32.7 32.7 32.7 32.7 32.7 32.6 32.6 32.6 32.5 32.5 32.5 27 32.4 32.4 32.4 32.4 32.4 32.4 32.5 32.5 32.5 32.5 32.6 32.7 32.8 32.8 32.9 32.8 32.8 32.9 32.8 32.9 32.9 32.9 32.9 32.9 32.7 28 33.0 33.0 32.9 32.9 32.7 32.7 32.6 32.6 32.6. 32.6 32.6 32.6 32.6 32.7 32.7 32.9 33.0 33.1 33.2 33.3 33.4 33.5 33.5 33.7 32.9 29 33.7 33.8 33.8 33.8 33.7 33.7 33.6 33.5 33.5 33.4 33.5 33.5 33.7 33.7 33.8 33.8 33.8 33.9 33.9 33.9 33.9 34.0 34.1 14.1 33.8 30 14.2 34.1 14.1 34.0 33.8 33.7 33.6 33.5 33.4 33.4 33.4 33.4 33.5 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.7 31 33.7 33.6 33.6 33.5 33.5 33.5 33.5 33.6 33.6 33.7 33.8 34.0 34.1 34.2 14.3 34.4 34.4 34.4 34.4 34.4 34.3 34.4 34.4 34.4 34.0 MONTHLY AVERAGE 35.7


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J TABLE 3.5-1 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F s
J TABLE 3.5-1 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F s
BETWEEN MONITOR 3 AND MONITOR 7 JANUARY 1982 i
BETWEEN MONITOR 3 AND MONITOR 7 JANUARY 1982 i
DAY                                                                 HOUR 1   2     3     '4   5   6     7     8     9   10     11     12 13     14   15 16 17     18     19 20 ' 21   22 23   24 1   1.6 I.7   1.9     2.6 3.2 4.0   5.9   6.1   6.4 6.7   7.0     7.3 7.9   6.7   5.4 4.0 2.8     2.3     2.1 2.0   2.0 1.9 2.0   2.0 2   1.8 1.5   1.6     2.0 2.7 3.5   5.1   6.1   7.0 6.2   4.8   3.5 2.8   2.4   2.3 2.1 1.9     1.9     2.1 2.1   2.1 2.2 2.0   2.0 3   2.0 2.0   4.4     5.7 5.8 5.8   5.9   6.1   6.1 6.2   6.1   7.3 7.0   5.8   5.7 5.7 5.7     5.6     6.1 6.1   4.8 3.3 2.5   2.0 4   1.9 2.0   1.9     1.9 2.0 1.8   1.6   1.9   4.3 5.6   4.3   2.9 2.4   2.1   2.1 2.2 2.4     3.6     2.6 2.2   2.1 2.1 2.0 - 2.0 5   L.9 2.0   2.4     2.6 2.0 1.8   1.5   2.4   2.4 2.3   2.3   2.3 2.2   2.2   2.1 2.2 2.1     2.0     2.0 1.9   1.9 1.9 1.9   1.9 6   2.0 1.9   1.9     1.9 1.9 1.9 . 1. 9   1.9   1.8 1.9   2.0   2.0 1.9   1.9   1.9 2.0 2.0     2.0     1.9 2.0   1.9 1.9 l.9   1.9 7   1.9 2.0   1.9     I.9 2.0 2.0   2.0   2.0   2.0 1.9   1.9   1.9 1.9   1.9   1.9 2.0 2.0   .t.9     1.9 1.9   1.9 1.8 1.9   1.8 8   1.8 1.9   L.8     1.8 1.7 1.7   1.7   1.7   1.7 1.6   1.7   1.8 1.9   2.2   2.4 2.5 2.5     2.3     2.0 1.9   2.0 1.7 1.7   1.7
DAY HOUR 1
;      9    1.7 1.8   1.9     2.0 2.1 2.1   2.2   2.2   2.2 2.2   1.9   1.9 2.2   2.4   2.5 2.6 2.6     2.6     2.2 2.0   1.8 1.8 1.8   1.7 10   1.8 1.8   1.9     1.7 2.1 2.3   2.1   2.1   2.2 2.6   2.9   2.8 2.8   2.9   2.8 3.0 4.2     3.2     2.3 !.9   1.7 1.7 1.7   1.5 g 11   1.4 1.3   1.4     1.4 1.7 1.9   2.3   5.4   6.1 5.3   1.7   2.7 2.2   2.0   1.9 1.8 1.8     1.7     1.7 1.7   1.7 1.7 1.7   1.6 Ln 12   1.8 1.6   1.5     1.6 1.8 2.3   5.3   6.0   4.5 2.9   2.2   2.0 1.9   1.9   1.9 1.9 1.9     1.9     1.7 1.7   1.7 1.8 1.7   1.6 ch 13   1.5 1.4   1.7     2.7 3.6 4.1   5.4   6.3   6.5 5.3   3.9   2.8 2.4   2.2   2.1 2.0 1.9     1.9     1.8 1.8   1.8 1.8 1.8   1.7 1 14   1.9 2.0   2.1     2.2 3.9 5.8   5.8 - 5.5   4.1 2.9   2.3   2.1 2.0   1.7   1.5 1.5 1.9     2.0     1.8 1.8   1.7 1.8 1.8   1.8 15   2.2 2.3   2.4     2.4 2.5 3.0   3.1   5.0   3.8 2.7   2.1   2.0 2.0   2.0   1.9 2.0 1.9     1.8     1.8 1.8   1.8 1.8 1.7   1.8 16   2.0 2.4   2.5     2.5 2.4 2.5   2.5   2.7   5.6 5.9   5.9   4.7 3.4   2.4   2.2 2.2 4.4     3.6     2.8 2.1   2.0 1.9 1.8   1.8 17   1.8 1.9   1.8     1.7 1.8 1.9   2.0   2.2   4.0 5.9   6.2   5.9 5.6   4.9   4.4 4.1 5.2     3.8     2.7 2.2   1.9 1.8 1.8   1.7 18   1.7 1.7   1.7     1.8 2.0 2.2   3.4   5.8   5.7 4.2   2.9   2.2 2.0   2.0   1.9 1.9 1.8     1.7     l.7 1.6   1.6 1.6 1.8   1.7 3,
2 3
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'4 5
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6 7
:    23   1.8 1.8   1.8     1.9 2.1 2.4   2.9   4.1   5.6 5.9   6.2   6.0 5.0   3.4   2.5 2.1 2.0     1.9     1.8 1.8   1.9 1.9 1.8   1.8
8 9
!    24   1.8 1.8   1.7     1.7 2.3 2.1   3.7   4.2   5.2 6.0   5.9   6.2 6.7   6.8   6.9 7.2 7.2     7.7     6.5 5.4   4.1 2.9 2.5   2.3 25   2.2 2.2   2.4     3.1 3.5 4.4   5.5   6.2   6.4 5.3   4.0   3.0 2.6   2.4   2.2 2.1 2.0     1.9     1.9 1.8   1.8 1.8 1.8   1.7 26   1.5 1.4   1.3     1.3 1.4 1.6   3.5   1.5   0.7 0.4   0.4   0.3 0.3   0.4   0.3 0.3 0.2     0.2     0.2 0.2   0.2 0.2 0.1   0.2 27   0.2 0.2   0.2     0.2 0.2 0.2   0.2   0.2   1.5 0.6   0.4   0.3 0.3   0.3   0.3 0.3 0.3   0.3     0.4 0.1   0.1 0.0 0.1   0.0 i     28   0.1 0.1   0.1     0.1 0.1 0.1   0.1   0.1   1.3 0.4   0.3   0.2 0.4   0.5   0.5 0.5 1.0   0.7     0.6 0.6   0.6 0.6 0.6   0.6 29   0.6 0.7   1.1     1.5 1.9 2.3   2.8   5.2   4.8 3.0   1.8   1.4 1.3   1.3   1.5 1.6 2.6     2.9     1.9 1.4   1.3 1.3 1.3   1.1 30   1.0 1.0   1.3     1.7 2.2 2.8   3.5   4.2   6.4 6.4   4.7   2.9 2.1   1.9   1.8 1.9       SYSTEM INOPERATIVE 31                                                               SYSTEM INOPERATIVE
10 11 12 13 14 15 16 17 18 19 20 ' 21 22 23 24 1
1.6 I.7 1.9 2.6 3.2 4.0 5.9 6.1 6.4 6.7 7.0 7.3 7.9 6.7 5.4 4.0 2.8 2.3 2.1 2.0 2.0 1.9 2.0 2.0 2
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2.0 2.0 4.4 5.7 5.8 5.8 5.9 6.1 6.1 6.2 6.1 7.3 7.0 5.8 5.7 5.7 5.7 5.6 6.1 6.1 4.8 3.3 2.5 2.0 4
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.t.9 1.9 1.9 1.9 1.8 1.9 1.8 8
1.8 1.9 L.8 1.8 1.7 1.7 1.7 1.7 1.7 1.6 1.7 1.8 1.9 2.2 2.4 2.5 2.5 2.3 2.0 1.9 2.0 1.7 1.7 1.7 9
1.7 1.8 1.9 2.0 2.1 2.1 2.2 2.2 2.2 2.2 1.9 1.9 2.2 2.4 2.5 2.6 2.6 2.6 2.2 2.0 1.8 1.8 1.8 1.7 10 1.8 1.8 1.9 1.7 2.1 2.3 2.1 2.1 2.2 2.6 2.9 2.8 2.8 2.9 2.8 3.0 4.2 3.2 2.3
!.9 1.7 1.7 1.7 1.5 11 1.4 1.3 1.4 1.4 1.7 1.9 2.3 5.4 6.1 5.3 1.7 2.7 2.2 2.0 1.9 1.8 1.8 1.7 1.7 1.7 1.7 1.7 1.7 1.6 g
Ln 12 1.8 1.6 1.5 1.6 1.8 2.3 5.3 6.0 4.5 2.9 2.2 2.0 1.9 1.9 1.9 1.9 1.9 1.9 1.7 1.7 1.7 1.8 1.7 1.6 ch 13 1.5 1.4 1.7 2.7 3.6 4.1 5.4 6.3 6.5 5.3 3.9 2.8 2.4 2.2 2.1 2.0 1.9 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1
14 1.9 2.0 2.1 2.2 3.9 5.8 5.8 - 5.5 4.1 2.9 2.3 2.1 2.0 1.7 1.5 1.5 1.9 2.0 1.8 1.8 1.7 1.8 1.8 1.8 15 2.2 2.3 2.4 2.4 2.5 3.0 3.1 5.0 3.8 2.7 2.1 2.0 2.0 2.0 1.9 2.0 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1.8 16 2.0 2.4 2.5 2.5 2.4 2.5 2.5 2.7 5.6 5.9 5.9 4.7 3.4 2.4 2.2 2.2 4.4 3.6 2.8 2.1 2.0 1.9 1.8 1.8 17 1.8 1.9 1.8 1.7 1.8 1.9 2.0 2.2 4.0 5.9 6.2 5.9 5.6 4.9 4.4 4.1 5.2 3.8 2.7 2.2 1.9 1.8 1.8 1.7 3,
18 1.7 1.7 1.7 1.8 2.0 2.2 3.4 5.8 5.7 4.2 2.9 2.2 2.0 2.0 1.9 1.9 1.8 1.7 l.7 1.6 1.6 1.6 1.8 1.7 19 1.7 1.7 1.6 1.6 1.9 2.3 3.0 5.8 6.2 5.0 3.4 2.5 2.1 1.8 1.6 1.6 1.5 1.4 1.4 1.5 1.8 1.8 1.8 1.8 20 1.8 1.8 1.6 1.7 2.0 2.4 4.7 6.2 5.6 4.0 2.7 2.2 2.1 2.0 1.9 1.9 1.9 1.8 1.8 1.8
!.8 1.8 1.8 1.7 21 1.8 1.7 1.6 1.7 1.7 2.1 4.9 6.0. 5.5 3.8 2.9 2.3 2.1 2.0 1.9 1.9 1.9 3.2 3.8 3.0 2.3 2.0 1.8 1.8 22 1.7 1.7 1.5 1.5 1.6 1.7 2.1 4.9 6.2 5.6 4.1 3.0 2.4 2.1 2.0 2.0 1.9 1.9 1.9 1.8 1.7 1.6 1.7 1.7 23 1.8 1.8 1.8 1.9 2.1 2.4 2.9 4.1 5.6 5.9 6.2 6.0 5.0 3.4 2.5 2.1 2.0 1.9 1.8 1.8 1.9 1.9 1.8 1.8 24 1.8 1.8 1.7 1.7 2.3 2.1 3.7 4.2 5.2 6.0 5.9 6.2 6.7 6.8 6.9 7.2 7.2 7.7 6.5 5.4 4.1 2.9 2.5 2.3 25 2.2 2.2 2.4 3.1 3.5 4.4 5.5 6.2 6.4 5.3 4.0 3.0 2.6 2.4 2.2 2.1 2.0 1.9 1.9 1.8 1.8 1.8 1.8 1.7 26 1.5 1.4 1.3 1.3 1.4 1.6 3.5 1.5 0.7 0.4 0.4 0.3 0.3 0.4 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.5 0.6 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.1 0.1 0.0 0.1 0.0 i
28 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.3 0.4 0.3 0.2 0.4 0.5 0.5 0.5 1.0 0.7 0.6 0.6 0.6 0.6 0.6 0.6 29 0.6 0.7 1.1 1.5 1.9 2.3 2.8 5.2 4.8 3.0 1.8 1.4 1.3 1.3 1.5 1.6 2.6 2.9 1.9 1.4 1.3 1.3 1.3 1.1 30 1.0 1.0 1.3 1.7 2.2 2.8 3.5 4.2 6.4 6.4 4.7 2.9 2.1 1.9 1.8 1.9 SYSTEM INOPERATIVE 31 SYSTEM INOPERATIVE


e i
e i
t i                                                                                                                                               .
t i
TABLE 3.5-2 DIFFERENCES IN NOURLY MEAN TEMPERATURES IN *F 4
TABLE 3.5-2 DIFFERENCES IN NOURLY MEAN TEMPERATURES IN *F 4
SETWEEN MONITOR 3 AND MONITOR 7 I
SETWEEN MONITOR 3 AND MONITOR 7 I
FEBRUARY 1982                                                                   -
FEBRUARY 1982 I
I DAY                                                                           .MOUR
DAY
:                                                                            1  2     3     4           5 6   7     8     9     to     11     12     13     14         15     16         17             18   19     20     21 22       23     24 i
.MOUR 1
1                                                 SYSTEM INOFERATIVE '
2 3
1.7   1.7     1.7   1.7 1.7     1.7   1.6 i                                                                   2       1.5 1.6   1.7   1.9     2.3   2.6 3.0 - 6.0   6.9   5.0 3.3       2.6   2.3     2.3       2.3   .2.4-     4.1             5.1   3.6           2.2 2.1 2.6                2.2    2.1 2.0 3            1.9   2.1   2.6     4.9   6.0 6.8 6.6     5.9 4.6       3.4   2.5   2.2   .2.1       2.1     2.0                       1.9   2.1     2.0   2.1 2.0     2.1 I                                                                 4         2.2       2.2
4 5
                                                                                                                                                                                                't.9                                                      2.1 2.2          2.1     2.1   4.0 4.8   3.2   2.3   2.0     1.9   1.9   2.0     2.0       1.8     1.9       3.0             2.7   2.2     1.9   1.8 1.8     1.8   1.8 5       1.7 1.8   2.1   2.3'   2.4   2.2 1.9   1.8   1.7   1.8     1. 8 - 1.8   1.9     1.8 ~     1.9     1.9       1.4           1.8   1.8     1.7   1.8 1.8     1.7   1.7 l                                                                   6       1.8 1.7   1.7   1.7     1.7   1.7 1.6   1.6   1.6 - 1. 6     1.6   1.6   1.7     1.7       1.8     1.7       1.7           1.6   1.6     1. 5 - 1.6 1.6 1.6    1.7   1.5      1.5  1.5 1.6      1.5 ' 1. 5 1
6 7
7                                            1.8   1.9   1.9   2.0     1.8   1.8   1.8     1.9       1.9     1.8       1.8           1.7   1.7     1.6   1.6 1.6     1.6   1.6 8       1.6 1.7   1.8   1.9     2.0   2.0 2.1   2.0   1.8   1.7     1.8   1.9   2.0     2.0       2.0     1.9       2.0             2.7   2.7     2.1   1.8 1.7     1.7   1.9
8 9
,                                                                  9        1.7 1.7   1.9   2.2     2.6   2.6 2.1   1.7   1.6   1.7     1.6   1.6   1.6     1.6       1.6     1.7       1.6           1.6   1.7     1.7   1.7 1.7     1.7   1.6
to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 i
!                                                                10         1.7 1.8   1.7   1.7     1.7   1.8 1.8   1.7   1.7   1.6     1.7   1.9   1.9     1.9       1.9     1.9       1.8           1.8   1.8     1.8   1.7 I                                                                                                                                                                                                1.6     1.6   1.6
1 SYSTEM INOFERATIVE '
,                                                                11         1.7 1.6   1.7   1.8     1.9   1.9 1.9   1.9   1.8   1.7     1.7   1.7   1.7     1.8       -1.7     1.8       1.7           1.6   1.7     1.6   1.6 1.6     1.6   1.6
1.7 1.7 1.7 1.7 1.7 1.7 1.6 i
[]                         12 13 1.6 1.7 1.6 1.8 1.7 1.8 1.7 - 1. 9 2.1    2.2 2.5 2.3 2.4 2.4 1.9   1.7   1.7 . 1. 7     1.7-   1.8     1.7       .1.7     1.9       1.7             1.6   1.7     1.7   1.7 1.7     1.7   1.7 3                                                                               2.4   2.6   2.4     2.0   1. 9 ' !.8 - 1.9         1.9     1.9       1.8             1.8   1.8     1.8   1.7 1.8     1.7   1.7 1                                                               14         1.7 2.0   2.3 - 2.4     2.5   2.6 2.7   2.7   2.7   2.9     3.1   3.1   3.2     3.0       2.9                               2.4   2.0     1.9   1.8 1.8 2.9 ' 3.0                                                  1.7   1.7
2 1.5 1.6 1.7 1.9 2.3 2.6 3.0 - 6.0 6.9 5.0 3.3 2.6 2.3 2.3 2.3
.2.4-4.1 5.1 3.6 2.6 2.2 2.1 2.2 2.1 3
2.0 1.9 2.1 2.6 4.9 6.0 6.8 6.6 5.9 4.6 3.4 2.5 2.2
.2.1 2.1 2.0
't.9 1.9 2.1 2.0 2.1 2.0 2.1 2.1 I
4 2.2 2.2 2.2 2.1 2.1 4.0 4.8 3.2 2.3 2.0 1.9 1.9 2.0 2.0 1.8 1.9 3.0 2.7 2.2 1.9 1.8 1.8 1.8 1.8 5
1.7 1.8 2.1 2.3' 2.4 2.2 1.9 1.8 1.7 1.8
: 1. 8 - 1.8 1.9 1.8 ~
1.9 1.9 1.4 1.8 1.8 1.7 1.8 1.8 1.7 1.7 l
6 1.8 1.7 1.7 1.7 1.7 1.7 1.6 1.6 1.6 - 1. 6 1.6 1.6 1.7 1.7 1.8 1.7 1.7 1.6 1.6
: 1. 5 - 1.6 1.6 1.5 ' 1. 5 1
7 1.6 1.6 1.7 1.5 1.5 1.5 1.8 1.9 1.9 2.0 1.8 1.8 1.8 1.9 1.9 1.8 1.8 1.7 1.7 1.6 1.6 1.6 1.6 1.6 8
1.6 1.7 1.8 1.9 2.0 2.0 2.1 2.0 1.8 1.7 1.8 1.9 2.0 2.0 2.0 1.9 2.0 2.7 2.7 2.1 1.8 1.7 1.7 1.9 9
1.7 1.7 1.9 2.2 2.6 2.6 2.1 1.7 1.6 1.7 1.6 1.6 1.6 1.6 1.6 1.7 1.6 1.6 1.7 1.7 1.7 1.7 1.7 1.6 10 1.7 1.8 1.7 1.7 1.7 1.8 1.8 1.7 1.7 1.6 1.7 1.9 1.9 1.9 1.9 1.9 1.8 1.8 1.8 1.8 1.7 1.6 1.6 1.6 I
11 1.7 1.6 1.7 1.8 1.9 1.9 1.9 1.9 1.8 1.7 1.7 1.7 1.7 1.8
-1.7 1.8 1.7 1.6 1.7 1.6 1.6 1.6 1.6 1.6
[]
12 1.6 1.6 1.7 1.7 - 1. 9 2.5 2.4 1.9 1.7 1.7. 1. 7 1.7-1.8 1.7
.1.7 1.9 1.7 1.6 1.7 1.7 1.7 1.7 1.7 1.7 3
13 1.7 1.8 1.8 2.1 2.2 2.3 2.4 2.4 2.6 2.4 2.0
: 1. 9 ' !.8 - 1.9 1.9 1.9 1.8 1.8 1.8 1.8 1.7 1.8 1.7 1.7 1
14 1.7 2.0 2.3 - 2.4 2.5 2.6 2.7 2.7 2.7 2.9 3.1 3.1 3.2 3.0 2.9 2.9 ' 3.0 2.4 2.0 1.9 1.8 1.8 1.7 1.7
}
}
15         2.0 2. 2 ' 2.4   2.8     3.0   3.1 3.2   3.2   3.3   '3.6     2.8   2.2   2.0     2.0       2.4     2.8       3.0             3.3   2.6     2.1   1.9 1.9     2.2   2.7 16         3.0 3.1   3.1   3.2     3.2   3.2 3.2 - 3.4   3.2   2.5     2.2   2.1   2.1-   2.1       2.2     2.3       2.5                   2.2    2.0 2.4 2.7    2.9 2.4                  1.9 1.9     1.9   2.2 17                           2.9     3.0   3.1 3.1   3.5   3.1   2.4     2.1   2.0   2.0     2.1       2.1     2.2       1.9           1.9   1.9     1.9   1.9 1.8     1.8   1.7 18         1.7 1.7   1.6   1.8     2.1   2.3 2.8   4.2 , 6.1   4.7     3.2   2.6   2.3     2.2       2.2     2.1       2.0           1.9   1.8     1.8   1.8 1.8 1.8   1.7                                                                                                                                              1.8     1.8   1.8 19                          2.0     2.2   2.4 4.9   5.3 . 4.3     3.1     2.4   2.0   -2.0     2.0 . 1.9         2.0       1.9           1.9   1.8     1.8   1.9 1.8     1.9   1.9 20         1.9 1.9   1.9   1.9     1.8   2.0 2.2   2.7   5.2   5.3     3.8   2.8   2.4     2.3               2.2       2.1             2.0 2.2                                    2.1     2.0   1.9 2.0     1.9   1.9 21         1.9 1.9   1.9   1.8     1.6   1.7 2.4   2.9   3.5   .4.0     5.8   6.4   6.4     5.0       3.6     3.0       2.6             2.2   2.1     2.0 2.0 2.0                                                                                                                                                 1.9 2.0     2.0   2.0 22                    1.9   1.8     1.6   1.8 2.5   5.3   6.2   4.6     3.3   2.6   2.4     2.4       2.6     2.8       2.9           3.4   3.8     5.2   3.7 2.0                                                                                                                                                      2.6     2.2   2.1 23         tot       1.9   1.7     1.6   1.9 2.3   4.9   5.6   4.5     3.2   2.5   2.2     2.1       -2.1     2.0       2.0             1.9   2.0     2.1   2.0 2.0     2.0 1.9                                                                                                                                                                          2.0
15 2.0
;                                                              24             1.9   1.7   1.5     1.6   2.0 2.7   5.7   5.6                   2.4    2.2                2.2 25          2.3 2.4    3.6  4.4    4.6    4.3 4.0 ' 2.9                    2.2               2.2       2.4             2.4   2.4 ' 3.8     4.1 3.3     2.8   2.6' "
: 2. 2 ' 2.4 2.8 3.0 3.1 3.2 3.2 3.3
4.3   5.3   5.2   3.6     2.6   2.3   2.1     2.1       2.0     2.1       1.9           2.7   2.5     2.0   1.9 1.8     1.8   1.8 26         1.8 1.6   1.5   1.5     1.4   1.7 2.5   4.9   5.5   4.3     3.1   2.5   2.4 ~ 2.3         2.1     2.2       2.1             2.1 3.6 2.1     3.5   2.5 3.8     5.2   4.3 i                                                             27             3.1   2.8   2.8     2.7   2.6 2.6   2.6   3.3   2.6     2.1   2.1   2.2     2.2       2.5     2.5       2.4           3.9   4.6 3
'3.6 2.8 2.2 2.0 2.0 2.4 2.8 3.0 3.3 2.6 2.1 1.9 1.9 2.2 2.7 16 3.0 3.1 3.1 3.2 3.2 3.2 3.2 - 3.4 3.2 2.5 2.2 2.1 2.1-2.1 2.2 2.3 2.5 2.4 2.2 2.0 1.9 1.9 1.9 2.2 17 2.4 2.7 2.9 2.9 3.0 3.1 3.1 3.5 3.1 2.4 2.1 2.0 2.0 2.1 2.1 2.2 1.9 1.9 1.9 1.9 1.9 1.8 1.8 1.7 18 1.7 1.7 1.6 1.8 2.1 2.3 2.8 4.2
2.0 1.9                                                                                                                                          3.2   2.4 2.0     1.9   1.9 28                     1.8   1.8     1.9   2.1 2.5   5.3   5.5   5.7     5.9   6.1   7.2     6.8       6.0     5.5       4.6           4.3   2.9     2.4   2.1 2.0     1.9   1.8 4
, 6.1 4.7 3.2 2.6 2.3 2.2 2.2 2.1 2.0 1.9 1.8 1.8 1.8 1.8 1.8 1.8 19 1.8 1.8 1.7 2.0 2.2 2.4 4.9 5.3. 4.3 3.1 2.4 2.0
-2.0 2.0. 1.9 2.0 1.9 1.9 1.8 1.8 1.9 1.8 1.9 1.9 20 1.9 1.9 1.9 1.9 1.8 2.0 2.2 2.7 5.2 5.3 3.8 2.8 2.4 2.3 2.2 2.2 2.1 2.0 2.1 2.0 1.9 2.0 1.9 1.9 21 1.9 1.9 1.9 1.8 1.6 1.7 2.4 2.9 3.5
.4.0 5.8 6.4 6.4 5.0 3.6 3.0 2.6 2.2 2.1 2.0 1.9 2.0 2.0 2.0 22 2.0 2.0 1.9 1.8 1.6 1.8 2.5 5.3 6.2 4.6 3.3 2.6 2.4 2.4 2.6 2.8 2.9 3.4 3.8 5.2 3.7 2.6 2.2 2.1 23 tot 2.0 1.9 1.7 1.6 1.9 2.3 4.9 5.6 4.5 3.2 2.5 2.2 2.1
-2.1 2.0 2.0 1.9 2.0 2.1 2.0 2.0 2.0 2.0 24 1.9 1.9 1.7 1.5 1.6 2.0 2.7 5.7 5.6 4.0 ' 2.9 2.4 2.2 2.2 2.2 2.2 2.4 2.4 2.4 ' 3.8 4.1 3.3 2.8 2.6' 25 2.3 2.4 3.6 4.4 4.6 4.3 4.3 5.3 5.2 3.6 2.6 2.3 2.1 2.1 2.0 2.1 1.9 2.7 2.5 2.0 1.9 1.8 1.8 1.8 26 1.8 1.6 1.5 1.5 1.4 1.7 2.5 4.9 5.5 4.3 3.1 2.5 2.4 ~ 2.3 2.1 2.2 2.1 2.1 2.1 3.5 2.5 3.8 5.2 4.3 i
27 3.6 3.1 2.8 2.8 2.7 2.6 2.6 2.6 3.3 2.6 2.1 2.1 2.2 2.2 2.5 2.5 2.4 3.9 4.6 3.2 2.4 2.0 1.9 1.9 3
28 2.0 1.9 1.8 1.8 1.9 2.1 2.5 5.3 5.5 5.7 5.9 6.1 7.2 6.8 6.0 5.5 4.6 4.3 2.9 2.4 2.1 2.0 1.9 1.8 4
4,
4,


t TABLE 3.5-3 DIFFERENCES IN N0URLY NEAN TEMPERATURES IN *F SETWEEN NONITOR 3 AND NONITOR 7 MARCH 1982 DAY                                                                     NOUR 1     2       3     4-   5   6     7     8       9   to     11     12   13 14 15   16 17   18   19     20       21     22     23     24 1   2.3   2.0     2.3   4.7   5.7 5.9   6.1   6.3   6.5   5.5   3.9   2.9 . 2.4 2.3 2.1   2.0 2.0 1.9 2.0   1.9     1.9   1.9   1.8   1.9 2   1.9   1.7     1.6   1.8   2.3 3.2   5.3   5.8   6.1   ~ 5.4   3.8   2.9   2.6 2.4 2.2   2.2 2.3 2.5 4.4   3.6     2.5   2.1   2.0   1.8 3   1.8   1.7     1.7   1.8   3.0 5.9   6.0- 5.9   6.3   5.3   3.8   2.8   2.4 2.3 2.3   2.3 2.6 2.6 2.3   2.1     1.9   1.8   1.9   2.0   l 4   2.0   1.9     1.7   1.7   1.9 3.3   6.0   6.0 6.3       4.9   3.3   2.5   2.2 2.0 1.9 ' !.9 2.2 2.4. 2.1   1.9     1.8 - 1.9     1.9   2.1   !
t TABLE 3.5-3 DIFFERENCES IN N0URLY NEAN TEMPERATURES IN *F SETWEEN NONITOR 3 AND NONITOR 7 MARCH 1982 DAY NOUR 1
5  2.1   2.4     2.7   2.9   3.0 2.9   3.2   3.7   2.7   2.2   2.1   2.1   2.4 2.7 3.9   4.1 5.2 5.1 3.5.
2 3
2.6 - 2.1       2.0   2.3   2.3 6   2.3   3.1     5.7   6.0   5.8 6.0   6.0   6.3   6.2   5.8   4.3   3.1   2.6 2.3 2.1   2.1 2.0 1.9 1.9   1.9     1.9   1.9   1.9   2.0 7   2.0   2.0     1.9   1.9   2.0 2.3   2.6   3.0   5.2   5.7   6.0   6.7   5.7 4.0 2.8   2.3 2.1 2.0 2.0   2.0     1.9   1.9   1.9   1. 9 -
4-5 6
8   1.8   1.7     1.5   1.6   1.8 2.4   5.6   6.2   5.9   4.1   3.0   2.6   2.5 2.4 2.3   2.2 2.2 2.8 3.4   3.3     2.3   2.1   2.0 - 2.2 9   2.3   2.2     2.1   2.0   2.4 4.9   4.9   5.7 4.6       3.4   2.7   2.5   2.4 2.3 2.3. 2.3 2.3 2.5 2.5   2.5     2.5   2.4   2.4   2.3 10   2.3   2.3     2.1   2.1   2.2 4.1   5.3   6.1   5.1   3.6   2.8   2.5   2.5 2.5 2.4   2.3 2.2 2.2 2.1   2.1     2.1   2.4   2.4   2.3
7 8
[n 11   2.3   2.3     2.1   2.2   2.3 2.8   5.3   6.1   5.2   3.7   2.7   2.3   2.1 2.2 2.1   2.2 3.5 3.9 2.9   2.3     2.1   2.1-   2.0   2.0 oo 12   2.1   2.0     2.3   3.0   3.6 3.9   5.4   5.0   3.7   2.7   2.3   2.2   2.2 2.2 2.1   2.2 2.2 2.1 2.1   2.0     2.0   2.0   2.0   2.0 I 13   2.0   1.9     2.1   2.7   2.3 2.0   2.0   2.6 3.3       2.5   2.1   1.9   1.8 1.8 1.8   1.8 1.8 1.7 1.7   1.8     1.8   1.8   1.9   1.9 14   2.0   1.7     2.0   2.0   2.1 2.2   2.4   2.6 -2.5     2.4   2.5   2.6   2.6 2.6 2.5   2.5 2.3 2.3 2.1   2.1     2.0 - 2.0     2.0   2.1 15   2.1   2.1     2.0   2.1   2.1 2.0   2.0   2.1   2.0   2.1 , 2. 2   2.4   2.5 2.5 2.5   2.5 2.7 2.2 2.1   1.9     2.0   1.9   1.9   -1.9 16   1.9   1.9     1.9   1.9   1.9 1.8   1.8   1. 8 ~ 1.8   1.9   2.1   2.1   2.2 2.1 2.1   2.0 1.9 1.8 1.8   1.7     1.8   1.8   1.8   1.8 17   1. 8 - 1.7     1.8   1.8   1.8 1.4   1.8   1.8 .l.8     1.8   1.8   1.8   1.9 1.8 1.8   1.8 1.8 1.8 1.8   1.8     1.7   1.7   1.7   1.7 18   1.7   1.7     1.7   1.7   1.7 1.7   1.7   1.7   1.8   1.9   2.0   2.1   2.2 2.2 2.1   2.0 1.9 1.8 1.7   1.7     1.7   1.8   1.8   1.8 19   1.9   1.9     1.9   1.8   1.8 1.8   1.8 - 1.8   1.8   1.9   2.0   2.1   2.0 2.0 1.9   1.9 1.9 I.8 1.8   1.8     1.8   1.7   1.7   1.8 20   1.9   1.8     1.8   1.7   1.7 1.8   1.8   1.7   1.9   1.9   2.1   2.1   2.2 2.2 2.2   2.2 1.9 1.8 1.7   1.7     1.6   1.8   1.8   1.7 21   1.8   1.8     1.7   1.7   1.7 1.7   1.8   1.8   1.8   1.9   1.9   1.9   1.9 1.7 1.8   1.7 1.7 1.8 -1.7   1.8             1. 8 . 1.8   1.8 22   1.8   1.8     1.7   1.8   1.8 1.7   1.7   1.8   1.8   1.8   1.9   2.0   2.1 2.1 2.0   2.0 1.9 1.8 1.7   1.6     1.7 1.7 ~ 1.6    1.6    1.6 23   1.7   1.7     1.7   1.7   1.7 1.7   1.7 . l.7   1.8   1.8   1.9   1.9   2.0 2.1 2.0   2.0 1.9 1.8 1.6   1.6     1.5   1.5   1.6   1.6 24   1.6   1.7     1.7   t.7   1.7 1.9   1.7   1.7   1.7   1.8   2.0   2.0   2.0 2.0 1.9   1.9 1.8 1.6 1.6   1. 6 . 1.5     1.5   1.5   1.6 25   1.6   1.6     1.6   1.7   1.7 1.7   1.6   1.5   1.5   1.6   1.8   2.0   1.9 2.0 2.0   1.9 1.8 1.7 1.6   1.5     1.4   1.4   1.5   1.5 26   1.5   1.4     1.3   1.2   1.3 1.3   1.4   1.4   1.5   1.3   1.2   1.1   1.0 0.9 0.9   1.0 0.9 0.9 - 0.8   0.8     0.7   0.8     0.8   0.8 27   0.8   0.8   0.9   0.8   0.9 0.9   0.9   0.9 . 0.9     0.9   0.9   0.9   0.9 0.9 0.9   0.9 0.8 0.7 0.7     0.7     0.7   0.8     0.9   0.8 28   0.9   0.9   0.8   0.9   0.9 0.9   1.0   1.0   -0.9   1.0   1.1   1.1   1.2 1.3 1.2   1.2 1.3 1.2 1.2   1.1     1.1   1.1   1.1   1.1 29   1.1   1.1     1.1   1.1   1.1 1.2   1.2   1.3   1.2-   1.3   1.4   1.3   1.3 1.2 1.3   1.3 1.2 1.1 0.9   0.8     0.7   0.8     0.7   0.8 30   0.9   0.9     1.0   1.0   1.1 1.1   1.1   1.2   .l.1   1.2   1.4   1.1   1.0 1.0 1.0   0.9 0.9 0.8 0.7     0.6     0.5 - 0.4     0.0 -0.2 31 -0.2   -0.3 -0.2   -0.2   -0.1 0.0   0.1   0.0   0.0   0.0   0.0   0.2   0.1 0.0 0.0   0.0 0.0 -0.1 0.1   0.1     0.1 ' O.0     0.1   0.1
9 to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
2.3 2.0 2.3 4.7 5.7 5.9 6.1 6.3 6.5 5.5 3.9 2.9. 2.4 2.3 2.1 2.0 2.0 1.9 2.0 1.9 1.9 1.9 1.8 1.9 2
1.9 1.7 1.6 1.8 2.3 3.2 5.3 5.8 6.1
~ 5.4 3.8 2.9 2.6 2.4 2.2 2.2 2.3 2.5 4.4 3.6 2.5 2.1 2.0 1.8 3
1.8 1.7 1.7 1.8 3.0 5.9 6.0-5.9 6.3 5.3 3.8 2.8 2.4 2.3 2.3 2.3 2.6 2.6 2.3 2.1 1.9 1.8 1.9 2.0 l
4 2.0 1.9 1.7 1.7 1.9 3.3 6.0 6.0 6.3 4.9 3.3 2.5 2.2 2.0 1.9 ' !.9 2.2 2.4.
2.1 1.9 1.8 - 1.9 1.9 2.1 5
2.1 2.4 2.7 2.9 3.0 2.9 3.2 3.7 2.7 2.2 2.1 2.1 2.4 2.7 3.9 4.1 5.2 5.1 3.5.
2.6 - 2.1 2.0 2.3 2.3 6
2.3 3.1 5.7 6.0 5.8 6.0 6.0 6.3 6.2 5.8 4.3 3.1 2.6 2.3 2.1 2.1 2.0 1.9 1.9 1.9 1.9 1.9 1.9 2.0 7
2.0 2.0 1.9 1.9 2.0 2.3 2.6 3.0 5.2 5.7 6.0 6.7 5.7 4.0 2.8 2.3 2.1 2.0 2.0 2.0 1.9 1.9 1.9
: 1. 9 -
8 1.8 1.7 1.5 1.6 1.8 2.4 5.6 6.2 5.9 4.1 3.0 2.6 2.5 2.4 2.3 2.2 2.2 2.8 3.4 3.3 2.3 2.1 2.0 - 2.2 9
2.3 2.2 2.1 2.0 2.4 4.9 4.9 5.7 4.6 3.4 2.7 2.5 2.4 2.3 2.3.
2.3 2.3 2.5 2.5 2.5 2.5 2.4 2.4 2.3 10 2.3 2.3 2.1 2.1 2.2 4.1 5.3 6.1 5.1 3.6 2.8 2.5 2.5 2.5 2.4 2.3 2.2 2.2 2.1 2.1 2.1 2.4 2.4 2.3
[n 11 2.3 2.3 2.1 2.2 2.3 2.8 5.3 6.1 5.2 3.7 2.7 2.3 2.1 2.2 2.1 2.2 3.5 3.9 2.9 2.3 2.1 2.1-2.0 2.0 oo 12 2.1 2.0 2.3 3.0 3.6 3.9 5.4 5.0 3.7 2.7 2.3 2.2 2.2 2.2 2.1 2.2 2.2 2.1 2.1 2.0 2.0 2.0 2.0 2.0 I
13 2.0 1.9 2.1 2.7 2.3 2.0 2.0 2.6 3.3 2.5 2.1 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1.7 1.8 1.8 1.8 1.9 1.9 14 2.0 1.7 2.0 2.0 2.1 2.2 2.4 2.6
-2.5 2.4 2.5 2.6 2.6 2.6 2.5 2.5 2.3 2.3 2.1 2.1 2.0 - 2.0 2.0 2.1 15 2.1 2.1 2.0 2.1 2.1 2.0 2.0 2.1 2.0 2.1, 2. 2 2.4 2.5 2.5 2.5 2.5 2.7 2.2 2.1 1.9 2.0 1.9 1.9
-1.9 16 1.9 1.9 1.9 1.9 1.9 1.8 1.8
: 1. 8 ~ 1.8 1.9 2.1 2.1 2.2 2.1 2.1 2.0 1.9 1.8 1.8 1.7 1.8 1.8 1.8 1.8 17
: 1. 8 - 1.7 1.8 1.8 1.8 1.4 1.8 1.8
.l.8 1.8 1.8 1.8 1.9 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.7 1.7 1.7 1.7 18 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.8 1.9 2.0 2.1 2.2 2.2 2.1 2.0 1.9 1.8 1.7 1.7 1.7 1.8 1.8 1.8 19 1.9 1.9 1.9 1.8 1.8 1.8 1.8 - 1.8 1.8 1.9 2.0 2.1 2.0 2.0 1.9 1.9 1.9 I.8 1.8 1.8 1.8 1.7 1.7 1.8 20 1.9 1.8 1.8 1.7 1.7 1.8 1.8 1.7 1.9 1.9 2.1 2.1 2.2 2.2 2.2 2.2 1.9 1.8 1.7 1.7 1.6 1.8 1.8 1.7 21 1.8 1.8 1.7 1.7 1.7 1.7 1.8 1.8 1.8 1.9 1.9 1.9 1.9 1.7 1.8 1.7 1.7 1.8
-1.7 1.8 1.7 ~ 1.6 1.6 1.6
: 1. 8. 1.8 1.8 22 1.8 1.8 1.7 1.8 1.8 1.7 1.7 1.8 1.8 1.8 1.9 2.0 2.1 2.1 2.0 2.0 1.9 1.8 1.7 1.6 1.7 23 1.7 1.7 1.7 1.7 1.7 1.7 1.7. l.7 1.8 1.8 1.9 1.9 2.0 2.1 2.0 2.0 1.9 1.8 1.6 1.6 1.5 1.5 1.6 1.6 24 1.6 1.7 1.7 t.7 1.7 1.9 1.7 1.7 1.7 1.8 2.0 2.0 2.0 2.0 1.9 1.9 1.8 1.6 1.6
: 1. 6. 1.5 1.5 1.5 1.6 25 1.6 1.6 1.6 1.7 1.7 1.7 1.6 1.5 1.5 1.6 1.8 2.0 1.9 2.0 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.4 1.5 1.5 26 1.5 1.4 1.3 1.2 1.3 1.3 1.4 1.4 1.5 1.3 1.2 1.1 1.0 0.9 0.9 1.0 0.9 0.9 - 0.8 0.8 0.7 0.8 0.8 0.8 27 0.8 0.8 0.9 0.8 0.9 0.9 0.9 0.9. 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.8 0.7 0.7 0.7 0.7 0.8 0.9 0.8 28 0.9 0.9 0.8 0.9 0.9 0.9 1.0 1.0
-0.9 1.0 1.1 1.1 1.2 1.3 1.2 1.2 1.3 1.2 1.2 1.1 1.1 1.1 1.1 1.1 29 1.1 1.1 1.1 1.1 1.1 1.2 1.2 1.3 1.2-1.3 1.4 1.3 1.3 1.2 1.3 1.3 1.2 1.1 0.9 0.8 0.7 0.8 0.7 0.8 30 0.9 0.9 1.0 1.0 1.1 1.1 1.1 1.2
.l.1 1.2 1.4 1.1 1.0 1.0 1.0 0.9 0.9 0.8 0.7 0.6 0.5 - 0.4 0.0
-0.2 31
-0.2
-0.3
-0.2
-0.2
-0.1 0.0 0.1 0.0 0.0 0.0 0.0 0.2 0.1 0.0 0.0 0.0 0.0
-0.1 0.1 0.1 0.1 ' O.0 0.1 0.1


TABLE 3.5-4 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F SETWEEN MONITOR 3 AND MONITOR 7 APPIL 1982' DAY                                                                                                                   HOUR I                     2                       3                 4   5   6   7     8     9   10     11     12   13     14   15                 16                       18 17          19   20       21         22     23           24 1         0.2               0.2                     0.3                   0.3 0.3 0.2 0.4   0.4   0.3 0.2     0.3   0.1 -0.1   -0.4                   -0.3 -0.5 0.8                0.8                      1.1                  1.1 1.1     0.9 0.9
TABLE 3.5-4 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F SETWEEN MONITOR 3 AND MONITOR 7 APPIL 1982' DAY HOUR I
                                                                                                                                                                  -0.3                                        -0.4 -0.2  0.1       0.4      0.8    1.0          1.0 2                                                                                  1.1             0.8 0.7     0.7   0.5   0.3     0.3   0.1             -0.1 -0.1                   -0.1       -0.1                 0.1     0.1 3         0.4               0.5                     0.5                       0.0 0.0       0.3
2 3
                                                                                                                                                                                                                    -0.1             0.0                           0.3 0.2        0.1          0.6  0.6    0.8   0.9   0.8     0.8   0.8               0.8               0.9     0.8 0.8   0.7       0.7       0.8     0.9 4         1.1                 1.2                     1.2                   1.2 1.1 1.0 0.9 - 0.9   0.9 0.7                                                                                                                                 1.0 0.6   0.6   0.5     0.6   0.6               0.5 0.5                   0.6 0.7   0.7       0.7       0.8     1.0         1.1 5         1.1                 1.0                     1.0                   1.1 1.1 1.1 1.1   1.1   1.1 1.1     1.1   1.0   1.0     1.0   1.0               0.7 0.7                   0.7 0.7   0.8       0.9.     1.0     1.1         1.2-6         1.2                 1.3                     1.3                   1.3 1.4 1.4 1.3   1.3   1.4 1.4     1.5   1.5   1.5     1.4   1.2 0.8                                        0.8 1.2               1.3   1.1 0.9   0.9       0.9       0.9     1.0         0.8 7                           0.7                                           0.8 0.8 0.8 0.8   0.8   0.8 0.8     0.8   0.7   0.7     0.9   0.7               0.5               0. 8 . 0.8   0.9   0.9 8         1.3                 1.4                     1.4                   1.4 1.5 1.5 1.5   1.4   1.4 0.9        1. 0 ' t.0          1.1 1.5     1.4   1.4   1.3     1.3   1.2               1.1               1.2   1.2   1.4 1.3       1.3       1.3     1.3         1.3 9         1.3                 1.4                   1.3                   1.4 1.4 1.4 1.4   1.4   1.4 1.4     1.2   1.1                 0.7 10        0.4                0.5 l'. 0   0.8                     0.6               0.6     0.6 0.6   0.7       0.6       0.6     0.5         0.5 0.3 - 0.4                 0.3 0.4 0.6   0.8   1.2 1.4     1. 6 . 1.7   1.7     1.5   1.4               1.3               1.1   1.0   1.0 0.9 1
4 5
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6 7
1.2   1.2   1.4 1.5     1.4   1.5   1.4     1.4   1.4               1.4               1.4   1.5 1.5   1.5       1.5 14         1.5                 1.5                   1.3                   1.2 1.1 1.0 1.1                                                                                                                             1.5    1.5        1.5 1.1   1.2 1.3     1.4   1.4   1.3     1.2   1.0               0.7               0.6     0.5       0.5       0.5       0.6     0.8 15         1.0               0.9                     1.0                   0.9 0.9 1.0 1.3   1.5 0.4                                          0.9 1.6 1.8     1.9   1.8   1.7     1.4   1.2               0.9               0.8     0.5 0.3   0.1                 0.0     0.2 16         0.4               0.5                     0.7                   0.9 1.2 1.4 1.6   1.7   1.7 1.7 0.0                          0.2 1.7    1.5   1.3     1.1   0.9               0.7               0.5     0.3 0.0   0.0   -0.2       -0.1   0.1         0.3 17         0.5               0.9                     1.0                   1.3 1.3 1.4 1.4   1.4   1.3 1.3     1.2   1.1   1.0 1.0 0.7   0.6               0.6               0.5     0.4 0.4   0.7       1.0       1.2     1.3         1.2 18                             1.0                   0.8                   0.8 0.8 0.9 1.1   1.1   1.0 1.0     1.0   1.0   0.9     0.8   0.7               0.6                       0.3 19        0.8                1.0                     1.0                   1.1 1.1    0.9 0.4          0.2  0.2      0.3      0.5 0.6            0.7 1.0       0.8   0.7 0.6     0.5   0.4   0.6     0.6   0.5               0.5               0.5     0.4       0.1               -0.1 -0.1 20         0.2               0.3                     0.5                   0.6 0.6 0.6 0.6   0.7   0.7 0.8 0.2            0.0                            0.0 0.6   0.7   0.7     0.6   0.5               0.5               0.2     0.0 0.0   0.0     0.2       0.3 0.4             0.2 21         0.3               0.4                     0.5                   0.5 0.5 0.6 0.6   0.6   0.6 0.6     0.7   0.5   0.5     0.5   0.6 22        0.7                0.8                      1.1                  1.2 1.1 1.1 1.2    1.1 0.6                0.6    0.6  0.6  0.5     0.4       0.5 0.6           0.7 1.1  0.8     0.9   0.8   0. 9 . 0.9- 0.5               0.5                       0.6 0.4   0.5     0.6 23        1.2                 1.2                     1.0                   0.9 0.9 0.9 0.7   0.9 0.5                                    0.8    1.0        1.0 1.1 1.0     0.9   1.0   0.8     0.8   0.6               0.5               0.4     0.2 0.2   0.3     0.3       0.4 0.7           0.9 24         1.0               0.7                     0.6                   0.6 0.4 0.4 0.5   0.4   0.4 0.3     0.1   0.0 -0.1 25        0.3                0.4
8 9
                                                                                                                                                            -0.3 -0.4           -0.4               -0.3     -0.2 -0.1 -0.1   -0.1       -0.1 0.1           0.3 0.5 0.7 0.8 0.8   1.0   1.2 1.0     0.6   0.5   0.4     0.7   0.6               0.6               0.6     0.5 0.6   0.8 26        0.8                1.0                     1.0                   1.2 1.1 1.1                                                                                                                      0.9        1.0     1.2       0.8 1.1   1.0   1.2 1.4     1.2   1.0   1.0     0.8   0.6               0.6               0.8     1.2 1.1   1.0 27         0.8               0.8                     0.7                   0.8 0.9 1.0 1.0      1.1 ~ 0.6          0.6 1.1   1.3   1.2 1.2     1.1   1.2   1.0     0.7   1.0               1.1               1.1     1.0 1.0   1.2       1.2 28        0.7                0.6                     0.7                   0.6 0.8 0.9 0.9   0.7   0.7 1.1    0.8        0.7 0.7    0.9   0.9   0.9     0.7   0.5               0.6               0.7     0.9 0.9   1.0     0.7       0.8   0.9 29         1.0               0.9                     0.9                   0.9 1.0 1.0 L.0   1.1   1.2 1.0     0.9   1.0 I.0 1.1     1.0   1.0               0.7               0.8     0.8 0.9   1.0       1.0       1.1     1.1         1.0 30         1.3                 1.3                     1.4                  1.4 1.3 1.3 1.4    1.4  1.4  1.4    0.6          0.5     0.3 0.5                 0.5              0.5               0.6     0.6 0.7   0.5     0.5       0.5   0.4         0.5
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
                                        . _ _ -                  s_--               .
0.2 0.2 0.3 0.3 0.3 0.2 0.4 0.4 0.3 0.2 0.3 0.1
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-0.2
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-0.1
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: 0. 9.
0.9-0.5 0.5 0.5 0.6 0.4 0.5 0.6 0.8 1.0 1.0 23 1.2 1.2 1.0 0.9 0.9 0.9 0.7 0.9 1.1 1.0 0.9 1.0 0.8 0.8 0.6 0.5 0.4 0.2 0.2 0.3 0.3 0.4 0.7 0.9 24 1.0 0.7 0.6 0.6 0.4 0.4 0.5 0.4 0.4 0.3 0.1 0.0
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b                        emmedeeMNe@ mmhe e                 e       e         o e e e                             e o e o e             eH e o e m     OOmmmommmmm 4mmm E                                                                                                 N
OOOOmOOmmOOOomm m.heNeeOmmeece.
          =                                                                                                   W b
N e e e e e e e
m                         ehmm4mOenhdomh >
o e e a
W   h             4       e         e e e e o e e                                   e e o g e e                 e a                 m     OOmmmmNammmmmma 3   m M   O                                                                                             E 4   H                                                                                             W m   m                   OhNm4NOWNemHeed Y    W   Z             M       e         o               e o e e e e e e e m                                 e   o e b   O             m     mOmmmmNummm >mmm l   E W
e N
E                                                                                              M O w       O z
OOOOH OOmHOOOmmm m N e O N e e O. N.o m e c e m e e e e e e e e
e e e e N. DOOmmOOmmmOOmmm f
mmoOO<OmmechNeh O
e e o e e o e o e o e e e e e N
OOommomommmOmmm mNeNmemmNmONNh e e
a e
e e e e o e o e e o e o e m
DOOmmommmmmmmmm d o e N N e d a m e. O.
m, e Oe e
e e
e e e e e
e m
OOOmmOmm mmm mmN o m M e h m O. O O.
mh emo h
e e
e e o e e e e
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OOmmmOmmmNm mONe mhmMWhedOON eh O e
e o e e.
e e e o e e e e m
DOmmmOmmmNm mmM W
e b
emmedeeMNe@ mmhe e
e e
o e e e e o e o e eH e o e m
OOmmmommmmm 4mmm E
N
=
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W h
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a m
OOmmmmNammmmmma 3
m M
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W m
m OhNm4NOWNemHeed W
Z M
e o
e o e e e e e e e m e
o e Y
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E E
M W
O w O
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e Ommmeweemme 444 3
4 e
N e
N e
        ,                          Ommmeweemme                                                                  444 3    4 e          N        e         e e e e e e e                                  o e       e         e e e M <   W    M m W D
e e e e e e e o e e
                            =     mOmmmmmmmma                                                                   mmm E     > O Q     >
e e e M <
m O
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4 z
=
5 emOheemmOM4NNmM
mOmmmmmmmma mmm W
    &    J    >            m       o           e e o e o e e                                   e o e e e e e m    a D
M D
m 2
E O
m      OmmOOmmmmmmNm==
Q m
4 O
4 5
          = x O
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M                              ONmeOmeNe.edmome E   E             O       e e e e e o e o                                                           e e     o e m   W             M     mmmOmmmmOOmNamo W
emOheemmOM4NNmM J
e   3 W   H U    W Z
m o
W e            e    O e eN N mm=Ommm=OOmMOmm o ee d         e o eede ae en k m c e O O.
e e o e o e e e o e e e e e a
e     e   e e M
m m
W b
OmmOOmmmmmmNm==
b                       emMhmemee>M hmem m                 o       e           o e o e e o e                                 e     e e     e     e e   e O                       OmmOmmmOOOmmOOm m    ee m. u h. m. e m                                   e eM h e eh Oe me m      e me me OmmommmOOOmmOOm he emeeNhkeehemNmd e                                 o e e e e e                     e     e   e   o e     e   e OmOOmmmOOOOmOOm e     e Oo m e N ee ue d. e.e m ee m e                         e e e                                 e   e       e m  e e e OmOOmomOOOOOOOm q    emmeNemmehehM.Om e         e OOOOmamOOOOOOOm e e e o e e                     o     e e                   e emmememdeheteNmW m       o         e             e e e               o e     o   e     o   e   o e     e   e OOOOmmmOOOOOOOm eh N      e         e        ee he o d ee. m e he m e d m e.
m D
e               e         e   e   e   e l
2 4
OOOOmmOOOOOOOOm m     me ee me ee m me e. d. e. m. he edede        o                             e   e   e OOOOOmOOOOOOOOm
O O
                  <              mMMdmeh meOm M m et e Q                                                                               - m mm m m
= x M
ONmeOmeNe.edmome E
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mmmOmmmmOOmNamo W
e 3
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O N N e d e d a n k m c e O O.
U W
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mm=Ommm=OOmMOmm MW b
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o e
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e e
e O
OmmOmmmOOOmmOOm e m. u h. m. e m M h h O m m m m m
e e e e e e
e e e
e OmmommmOOOmmOOm h meeNhkeehemNmd e
e e o e e e e e e
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o e e
e OmOOmmmOOOOmOOm e O m e N e u d. e.e m e m m e e
e o
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e e e e
e OmOOmomOOOOOOOm emmeNemmehehM.Om q
e e
e e e o e e o
e e e
OOOOmamOOOOOOOm emmememdeheteNmW m
o e
e e e o e o
e o
e o e e
e OOOOmmmOOOOOOOm e h o d e. m e h m e d m e.
l eh N
e e
e e e
e e
e e
e e
e OOOOmmOOOOOOOOm m e m e m m e. d. e. m. he eded m
e e
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e OOOOOmOOOOOOOOm mMMdmeh meOm M m et e Q
- m mm m m. _.


TABLE 3.5-6 DIFFELENCES IN HOURLY MEAN TEMPEEATURES IN 'T
TABLE 3.5-6 DIFFELENCES IN HOURLY MEAN TEMPEEATURES IN 'T SETWEEN MONITOR 3 AND MONITOR 7 OCTOSER 1982 CAY HOUR I
,                                                                                                              SETWEEN MONITOR 3 AND MONITOR 7 OCTOSER 1982 CAY                                                         .
2 3
HOUR I                               2       3   4     5   6           7 8     9   10   11     .12   13   14   15 16'                 18 17                  19 20 21 22 23 24 16 0.7                       0.8             0.7 0.6   0.6 0.7       0.6 0.4   0.4   0.4   0.3     0.4 0.4 0.4   0.4 0.6 0.5             0.3 0.3 0.2 0.3 0.3 0.4 0.5 17 0.6                       0.6             0.7 0.8   1.0 1.2       1.2 1.1   1.0   1.1   1.3     1.6 1.9 2.0   1.9 2.1 2.5             2.4 2.3 2.3 2.4 2.5 2.5 2.6 18 2.6                       2.5             2.6 2.5   2.3 2.2       2.1 2.0   2.0   2.0   2.1     2.4 2.7 3.0   3.1 3.1 3.1             3.1 2.8 3.0 3.1 3.3 3.1 3.1 19 3.0                       2.9           3.0 3. 2 - 3.3 3.5       3.5 3.8   4.1   3.9   3.4     3.1 2.9 2.6   2.4 2.6 2.8             2.9 2.8 2.9 3.3 3.2 3.1 3.1 20 3.0                       2.8           2.9 3.2   3.3 3.5       3.7 3.8   4.1   4.6   5.2     5.3 5.1 5.0   4.6 4.4 4.3             4.0 4.0 4.4 4.8 4.7 4.2 4.0 21 3.9                       3.9           3.8 3.8   3.8 3.9       4.0 4.2   4.4   5.0   5.3     5.4 5.0 4.5   3.9 3.5 3.3             3.0 3.3 3.8 4.1 4.0 4.0 4.1 22 4.0                       4.0           4.1 4.1   4.3 4.3       4.5 4.6   4.8   5.1   5.4     5.2 '4.6 4.0   3.5 3.0 2.8             2.7. 2.8 3.1 3.3 5.2 3.0 2.9 23 2.8                       2.7           2.8 2.7   2.9 3.0       3.0 3.1   3.2   3.4   3.6     4.1 4.4 4.3   4.5 4.7 4.8             5.0 5.1 4.9 5.0 5.0 5.0 5.1 24 5.0                       5.1           5.1 5.1   5.2 5.2       5.2 5.2   5.2   5.1   5.3     5.3 5.6 5.7   6.2 6.4 6.4             6.3 6.1 6.0 6.0 6.0 5.9 6.0                       6.0                                                                                                                                       5.9 25                                            6.0 6.0   6.0 6.0       6.0 5.9   6.1   6.4   6.9     7.3 7.6 7.9   8.0 8.0 7.8             7. 7 7.6 7.3 7.2 7.1 6.9 6.6 1
4 5
26 6.4                       6.4           6.4 6.4   6.3 6.1       6.2 6.2   6.2   6.8   7.2     7.0 6.7 6.6   6.2 6.0 5.7             5.5 6.0 6.2 6.2 6.0 6.0 5.9 cm 27 5.8                       5.7           5.8 5.9   5.9 6.1       6.2 6.4   6.7   6.7   6.9     7.2 7.1 7.4   7.9 8.1 7.9             7.6 7.2 7.0 6.8 Fd                                                                                                                                                                  6.7 6.8 6.7 28 6.5                       6.5           6.4 6.4   6.9 7.1       7.0 6.8   6.7   7.1   7.5     7.4 7.8 8.1   8.2 8.4 8.4             8.3 3                                                                                                                                                      8.1 7.9 7.8 7.7 7.6 7.4 29 7.4                         7.3           7.3 7.3   7.3 7.2       7.1 7.1   7.1   7.1   7.7     8.0 8.1 8.3   8.9 9.0 9.0             9.0 9.1 8.8 8.7 8.7 8.7 8.4 30 8.5                         8.3           8.3 8.2   8.2 8.0       8.0 8.1   7.9   7.9   8.0     8.0 8.1 8.4   8.7 8.8 8.8             8.7 8.5 8.3 7.9                        7.8 8.2 8.0 7.8 7.9
6 7
;                          31                                           7.9 8.0   8.1 8.2       8.2 8.3   8.2   8.0   8.1     8.3 8.6 8.7   8.9 8.9 8.8             8.7 8.4 *4 7.7 7.5 7.4
8 9
                                                                                                                                                                                      .            7.5 i
10 11
.12 13 14 15 16' 17 18 19 20 21 22 23 24 16 0.7 0.8 0.7 0.6 0.6 0.7 0.6 0.4 0.4 0.4 0.3 0.4 0.4 0.4 0.4 0.6 0.5 0.3 0.3 0.2 0.3 0.3 0.4 0.5 17 0.6 0.6 0.7 0.8 1.0 1.2 1.2 1.1 1.0 1.1 1.3 1.6 1.9 2.0 1.9 2.1 2.5 2.4 2.3 2.3 2.4 2.5 2.5 2.6 18 2.6 2.5 2.6 2.5 2.3 2.2 2.1 2.0 2.0 2.0 2.1 2.4 2.7 3.0 3.1 3.1 3.1 3.1 2.8 3.0 3.1 3.3 3.1 3.1 19 3.0 2.9 3.0
: 3. 2 - 3.3 3.5 3.5 3.8 4.1 3.9 3.4 3.1 2.9 2.6 2.4 2.6 2.8 2.9 2.8 2.9 3.3 3.2 3.1 3.1 20 3.0 2.8 2.9 3.2 3.3 3.5 3.7 3.8 4.1 4.6 5.2 5.3 5.1 5.0 4.6 4.4 4.3 4.0 4.0 4.4 4.8 4.7 4.2 4.0 21 3.9 3.9 3.8 3.8 3.8 3.9 4.0 4.2 4.4 5.0 5.3 5.4 5.0 4.5 3.9 3.5 3.3 3.0 3.3 3.8 4.1 4.0 4.0 4.1 22 4.0 4.0 4.1 4.1 4.3 4.3 4.5 4.6 4.8 5.1 5.4 5.2
'4.6 4.0 3.5 3.0 2.8 2.7.
2.8 3.1 3.3 5.2 3.0 2.9 23 2.8 2.7 2.8 2.7 2.9 3.0 3.0 3.1 3.2 3.4 3.6 4.1 4.4 4.3 4.5 4.7 4.8 5.0 5.1 4.9 5.0 5.0 5.0 5.1 24 5.0 5.1 5.1 5.1 5.2 5.2 5.2 5.2 5.2 5.1 5.3 5.3 5.6 5.7 6.2 6.4 6.4 6.3 6.1 6.0 6.0 6.0 5.9 5.9 25 6.0 6.0 6.0 6.0 6.0 6.0 6.0 5.9 6.1 6.4 6.9 7.3 7.6 7.9 8.0 8.0 7.8
: 7. 7 7.6 7.3 7.2 7.1 6.9 6.6 1
26 6.4 6.4 6.4 6.4 6.3 6.1 6.2 6.2 6.2 6.8 7.2 7.0 6.7 6.6 6.2 6.0 5.7 5.5 6.0 6.2 6.2 6.0 6.0 5.9 cm 27 5.8 5.7 5.8 5.9 5.9 6.1 6.2 6.4 6.7 6.7 6.9 7.2 7.1 7.4 7.9 8.1 7.9 7.6 7.2 7.0 6.8 6.7 6.8 6.7 Fd 28 6.5 6.5 6.4 6.4 6.9 7.1 7.0 6.8 6.7 7.1 7.5 7.4 7.8 8.1 8.2 8.4 8.4 8.3 8.1 7.9 7.8 7.7 7.6 7.4 3
29 7.4 7.3 7.3 7.3 7.3 7.2 7.1 7.1 7.1 7.1 7.7 8.0 8.1 8.3 8.9 9.0 9.0 9.0 9.1 8.8 8.7 8.7 8.7 8.4 30 8.5 8.3 8.3 8.2 8.2 8.0 8.0 8.1 7.9 7.9 8.0 8.0 8.1 8.4 8.7 8.8 8.8 8.7 8.5 8.3 8.2 8.0 7.8 7.9 31 7.9 7.8 7.9 8.0 8.1 8.2 8.2 8.3 8.2 8.0 8.1 8.3 8.6 8.7 8.9 8.9 8.8 8.7 8.4
*4 7.7 7.5 7.4 7.5 i


s i
s i
4
4 TABLE 3.5-7 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F BEW EEN MONITOR 3 AND MONITOR 7 NOVEMBER 1982 DAY SOUR I
                                          ,',                TABLE 3.5-7 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F BEW EEN MONITOR 3 AND MONITOR 7 NOVEMBER 1982 DAY                                                             SOUR I   2   3   4     5     6     7     8     9   to     11     12   13   14   15   16     17   18     19 20 21   22 23 24 1 7.4 7.4 7.4 7.4   7.4   7.4   7.3   7.4   7.4   8.3   7.3   7.2 6.9 6.8   6.9   6.4   6.3   6.3   6.7 6.5 6.5 6.4 6.3 6.2 2 6.1 6.1 5.9 5.9   5.9   5.9   6.1   6.1   6.3   6.6   6.8   7.0 7.1 7.2 7.0   6.6   6.2   5.8   5.2 4.8 4.6 4.6 4.6 4.6 3 4.9 5.0 5.2 5.3   5.5   5.7   6.0   6.2   6.4   7.0   7.2   7.1 6.6 6.7   7.0   6.9   6.2   5. 6 . 5.1 4.5 3.7x 3.6 3.6 3.7 4 4.1 4.5 4.8 5.2   5.4   5.6   5.7   5.8   6.2 6.3     6.2   4.9 3.8 3.1 3.0   2.8   2.6   2.5'   2.5 2.3 2.2 2.2 2.2 2.2 5 2.0 1.7 1.5 1.7   1.9   2.3   2.8   3.8   5.2 4.6     3.6   3.2 2.9 2.7 2.3   2.2   1.9   1.7   1.7 1.7 2.0 2.0 1.9 1.9 6 1.9 2.0 1.9 1.8   1.6   1.5   1.4   1.5   1.5   1.6   1.7   1.8 1.9 2.0 2.1   2.3   2.1   2.0   2.1 2.1 2.0 2.0 2.0 2.1 7 2.2 2.2 2.2 2.2   2.4   2.4   2.4   2.3   2.2   2.0   1.9   1.7 1.7 1.7   1.8   1.9   2.1   2.4   2.6 2.8 2.9 3.1 3.2 3.2     .
2 3
8  3.4 3.6 3.4 3.5   3.5   3.5   3.4   3.2   3.1   3.0   2.8   2.7 2.6 2.6 2.5   2.4   2.4   2.4   2.2 2.1 2.0 1.9 1.8 1.8 9 1.7 1.7 1.7 1.7   1.6   1.6   1.7   1.7   1.7   1.7   1.6   1.6 1.7 1.6   1.7   1.6   1.7   1.7   1.8 1.7 1.8 1.7 1.7 1.7 10 1.7 1.7 1.7 1.8   1.9   2.0   2.3   2.8   3.6 4.6     4.0   3.0 2.1 1.9   1.8   1.8   2.2   2.5     2.7 2.4 2.2 2.1 1.9 1.8 I 11 1.7 1.9 2.4 3.1   3.7   4.1   4.3 4.6     4.8 6.0     6.0   6.1 4.9 3.9 3.6   3.5   3.5   4.4     4.5 3.8 3.5 3.3 3.1 3.0 Ch     3.0     3.6 12      3.1    4.3   4.7   4.9   5.0   5.4   5.6   6.0   6.2   5.2 4.0 3.1 2.4   2.3   2.4   2.5     2.5 2.7 2.7 2.9 3.0 3.1
4 5
  )# 13 3.1 3.0 3.0 3.1   3.1   2.9   2.8   3.7   5.1 4.2     3.7   2.8 2.5 2.0 2.0   1.7   1.6   1.6   1.6 1.5 1.4 1.2 1.2 1.2 to 1.1 1.0 1.0 1.0   1.8   2.2   2.5   2.6   2.2   1.8   2.1   2.3 2.5 2.4 2.3   2.3   2.2   2.1     2.1 1.9 1.8 1.7 1.7 1.8 15 1.9 1.8 1.6 1.4   1.2   1.2   1.2 4 1.2   1.1 u.9 ' O.9     0.8 0.7 0.7 0.9   0.8   1.6   3.5     1.7 1.3 1.3 1.4 1.4 1.6 16 1.8 1.8 1.8 1.9   2.1   2.5   3.2 4.4     5.5 4.7   4.3     3.8 3.7 3.5 3.6   3.4   3.6   3.5     3.0 2.7 2.6 2.2 2.3 2.3 17 2.4 2.5 2.8 3.1   3.3   4.0   4.4 5.0     5.6 5.1                             SYSTEN INOPERATIVE 18                 SYSTEM INOPERATIVE               3.9     3.0   2.8 2.7 2.6 3.0   3.3   3.1   3.1     2.9 2.8 3.1 3.0 3.5 3.7 19 3.9 4.0 4.0 3.9   4.2   4.7   4.8   5.2   5.5   5.4   4.3   3.7 3.1 2.9 3.2   3.2   3.5   3.2     2.7 2.6 2.6 2.6 2.8 3.2 20 3.5 3.6 3.4 3.4   3.7   3.9   4.5   5.0   5.4 5.4     5.4   5.2 5.1 4.9 4.5   4.1   4.1   4.2     3.1 2.7 2.4 2.3 2.6 3.1 21 3.3 3.4 3.6 3.7   4.1   4.6   4.9   5.0   5.0   5.2   5.4   5.7 6.4 6.0 5.9   5.6   5.5   5.6     5.1 4.5 3.7 3.4 3.6 3.6 22 4.0 3.9 3.8 3.6   3.6   3.7   3.8   4.3   4.7 4.5     4.0   3.4 3.1 2.9 2.8   2.6   2.9   3.2     3.2 3.1 3.0 3.0 3.1 3.1 23 3.2 3.1 3.3 3.6   3.8   3.9   4.0   4.0   4.2 4.0     3.8   3.6 3.6 3.5 3.2   3.1   3.1   3.1     3.0 2.9 2.9 2.8 2.7 2.7 24 2.7 2.7 2.8 2.9   3.2   3.8   4.3   4.9   5.4 6.1     5.3   4.2 3.6 3.4 3.2   2.9   2.9   2.8     2.6 2.5 2.4 2.3 2.2 2.1 25 2.0 1.9 1.5 1.5   1.3   1.5   1.9   2.4   3.5 4.6     3.5   2.6 2.2 2.0 1.7   1.7   1.6   1.7     1.9 1.8 1.8 1.9 1.9 2.0 .
6 7
26 2.1 2.2 2.2 2.4   2.5   2.6   3.8   4.4   5.5 5.6   4.5     3.6 3.0 2.7 2.8   2.5   2.5   2.4     2.3 2.2 2.0 1.9 1.8 1.9 27 2.0 2.1 2.1 1.9   2.1   2.2   2.8   3.8   5.0 6.7     5.3   4.3 3.4 3.0 2.8   2.7   2.4   2.4     2.5 2.5 2.4 2.2 2.2 2.3 28 2.5 2.4 2.5 2.7   2.6   2.5   2.9   3.4   3.9 4.2     5.0   5.9 5.2 3.8 3.1   2.8   2.9   3.1     2.9 2.9 2.8 2.8 2.7 2.6 29 2.5 2.4 2.3 2.7   2.9   2.7   2.9   3.0   2.7 2.4     2.3   2.3 2.3 2.3 2.3   2.2   2.5   3.1     2.6 2.1 1.9 1.8 1.8 2.2 30 2.2 2.4 3.1 3.8   4.5   5.0   5.3   5.7   6.4 6.4     3.9   4.1 3.2 3.1 2.6   2.4   2.4   2.4     2.3 2.3 2.1 2.1 2.1 2.0
8 9
to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
7.4 7.4 7.4 7.4 7.4 7.4 7.3 7.4 7.4 8.3 7.3 7.2 6.9 6.8 6.9 6.4 6.3 6.3 6.7 6.5 6.5 6.4 6.3 6.2 2
6.1 6.1 5.9 5.9 5.9 5.9 6.1 6.1 6.3 6.6 6.8 7.0 7.1 7.2 7.0 6.6 6.2 5.8 5.2 4.8 4.6 4.6 4.6 4.6 3
4.9 5.0 5.2 5.3 5.5 5.7 6.0 6.2 6.4 7.0 7.2 7.1 6.6 6.7 7.0 6.9 6.2
: 5. 6. 5.1 4.5 3.7x 3.6 3.6 3.7 4
4.1 4.5 4.8 5.2 5.4 5.6 5.7 5.8 6.2 6.3 6.2 4.9 3.8 3.1 3.0 2.8 2.6 2.5' 2.5 2.3 2.2 2.2 2.2 2.2 5
2.0 1.7 1.5 1.7 1.9 2.3 2.8 3.8 5.2 4.6 3.6 3.2 2.9 2.7 2.3 2.2 1.9 1.7 1.7 1.7 2.0 2.0 1.9 1.9 6
1.9 2.0 1.9 1.8 1.6 1.5 1.4 1.5 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.3 2.1 2.0 2.1 2.1 2.0 2.0 2.0 2.1 7
2.2 2.2 2.2 2.2 2.4 2.4 2.4 2.3 2.2 2.0 1.9 1.7 1.7 1.7 1.8 1.9 2.1 2.4 2.6 2.8 2.9 3.1 3.2 3.2 8
3.4 3.6 3.4 3.5 3.5 3.5 3.4 3.2 3.1 3.0 2.8 2.7 2.6 2.6 2.5 2.4 2.4 2.4 2.2 2.1 2.0 1.9 1.8 1.8 9
1.7 1.7 1.7 1.7 1.6 1.6 1.7 1.7 1.7 1.7 1.6 1.6 1.7 1.6 1.7 1.6 1.7 1.7 1.8 1.7 1.8 1.7 1.7 1.7 10 1.7 1.7 1.7 1.8 1.9 2.0 2.3 2.8 3.6 4.6 4.0 3.0 2.1 1.9 1.8 1.8 2.2 2.5 2.7 2.4 2.2 2.1 1.9 1.8 I
11 1.7 1.9 2.4 3.1 3.7 4.1 4.3 4.6 4.8 6.0 6.0 6.1 4.9 3.9 3.6 3.5 3.5 4.4 4.5 3.8 3.5 3.3 3.1 3.0 Ch 12 3.0 3.1 3.6 4.3 4.7 4.9 5.0 5.4 5.6 6.0 6.2 5.2 4.0 3.1 2.4 2.3 2.4 2.5 2.5 2.7 2.7 2.9 3.0 3.1
)#
13 3.1 3.0 3.0 3.1 3.1 2.9 2.8 3.7 5.1 4.2 3.7 2.8 2.5 2.0 2.0 1.7 1.6 1.6 1.6 1.5 1.4 1.2 1.2 1.2 to 1.1 1.0 1.0 1.0 1.8 2.2 2.5 2.6 2.2 1.8 2.1 2.3 2.5 2.4 2.3 2.3 2.2 2.1 2.1 1.9 1.8 1.7 1.7 1.8 15 1.9 1.8 1.6 1.4 1.2 1.2 1.2 4 1.2 1.1 u.9 ' O.9 0.8 0.7 0.7 0.9 0.8 1.6 3.5 1.7 1.3 1.3 1.4 1.4 1.6 16 1.8 1.8 1.8 1.9 2.1 2.5 3.2 4.4 5.5 4.7 4.3 3.8 3.7 3.5 3.6 3.4 3.6 3.5 3.0 2.7 2.6 2.2 2.3 2.3 17 2.4 2.5 2.8 3.1 3.3 4.0 4.4 5.0 5.6 5.1 SYSTEN INOPERATIVE 18 SYSTEM INOPERATIVE 3.9 3.0 2.8 2.7 2.6 3.0 3.3 3.1 3.1 2.9 2.8 3.1 3.0 3.5 3.7 19 3.9 4.0 4.0 3.9 4.2 4.7 4.8 5.2 5.5 5.4 4.3 3.7 3.1 2.9 3.2 3.2 3.5 3.2 2.7 2.6 2.6 2.6 2.8 3.2 20 3.5 3.6 3.4 3.4 3.7 3.9 4.5 5.0 5.4 5.4 5.4 5.2 5.1 4.9 4.5 4.1 4.1 4.2 3.1 2.7 2.4 2.3 2.6 3.1 21 3.3 3.4 3.6 3.7 4.1 4.6 4.9 5.0 5.0 5.2 5.4 5.7 6.4 6.0 5.9 5.6 5.5 5.6 5.1 4.5 3.7 3.4 3.6 3.6 22 4.0 3.9 3.8 3.6 3.6 3.7 3.8 4.3 4.7 4.5 4.0 3.4 3.1 2.9 2.8 2.6 2.9 3.2 3.2 3.1 3.0 3.0 3.1 3.1 23 3.2 3.1 3.3 3.6 3.8 3.9 4.0 4.0 4.2 4.0 3.8 3.6 3.6 3.5 3.2 3.1 3.1 3.1 3.0 2.9 2.9 2.8 2.7 2.7 24 2.7 2.7 2.8 2.9 3.2 3.8 4.3 4.9 5.4 6.1 5.3 4.2 3.6 3.4 3.2 2.9 2.9 2.8 2.6 2.5 2.4 2.3 2.2 2.1 25 2.0 1.9 1.5 1.5 1.3 1.5 1.9 2.4 3.5 4.6 3.5 2.6 2.2 2.0 1.7 1.7 1.6 1.7 1.9 1.8 1.8 1.9 1.9 2.0.
26 2.1 2.2 2.2 2.4 2.5 2.6 3.8 4.4 5.5 5.6 4.5 3.6 3.0 2.7 2.8 2.5 2.5 2.4 2.3 2.2 2.0 1.9 1.8 1.9 27 2.0 2.1 2.1 1.9 2.1 2.2 2.8 3.8 5.0 6.7 5.3 4.3 3.4 3.0 2.8 2.7 2.4 2.4 2.5 2.5 2.4 2.2 2.2 2.3 28 2.5 2.4 2.5 2.7 2.6 2.5 2.9 3.4 3.9 4.2 5.0 5.9 5.2 3.8 3.1 2.8 2.9 3.1 2.9 2.9 2.8 2.8 2.7 2.6 29 2.5 2.4 2.3 2.7 2.9 2.7 2.9 3.0 2.7 2.4 2.3 2.3 2.3 2.3 2.3 2.2 2.5 3.1 2.6 2.1 1.9 1.8 1.8 2.2 30 2.2 2.4 3.1 3.8 4.5 5.0 5.3 5.7 6.4 6.4 3.9 4.1 3.2 3.1 2.6 2.4 2.4 2.4 2.3 2.3 2.1 2.1 2.1 2.0


                      ~       ~
~
~
2 5
2 5
2 TABLE 3.5-8 DIFFERENCES IN NOUBLY MEAN TDtFteATURES IN *F BETWEEN MONITOS 3 AND MONITOR 7 DECEMBER 1982 DAY                                                                             NOUR 1   2     3   4                     5   6   7 8     9   to     11       12   13   14           15     16 17   18 19 20 21   22 23   24 1 2.1 2.0     2.1 2.2                   3.2 4.0 4.5 4.9   5.2 5.6   4.8     4.0   2.7 2.7         2.7     2.6 2.7   2.6 2.6 2.4 2.4 2.2 2.2 2.0 2 2.1 1.9     2.0 2.3                   2.8 3.4 4.1 4.4   5.1 6.0   5.1     3.3   2.6 2.3           2.1     2.2 2.1   2.0 1.9 1.8 1.6 1.4 1.2 1.2 3 1.2 1.3     1.5 1.7                   1.8 2.3 2.9 3.7   4.4 3.9   2.8     2.3   2.2 2.1           2.1     2.0 2.0   1.9 1.8 1.7 1.7 1.7 1.7 1.6 4 1.7 1.7     2.1 2.4                   2.5 2.4 2.3 2.1   2.0 2.0   1.9     1.8   1.6 1.7         1.5     1.4 1.3   1.1 1.1 1.0 1.0 1.0 1.1 1.1 5 1.3 1.4     1.5 1.6                   1.7 1.6 1.7 2.3   3.5 4.2   3.3     2.7   2.5 2.3           2.3     2.1 2.1   2.0 1.8 1.7 1.7 1.7 1.7 1.7   ,
2 TABLE 3.5-8 DIFFERENCES IN NOUBLY MEAN TDtFteATURES IN *F BETWEEN MONITOS 3 AND MONITOR 7 DECEMBER 1982 DAY NOUR 1
6 1.7 1.6     1.7 1.9                   2.3 3.2 4.2 4.8   5.1 4.5   3.4     2.8   2.5 2.4           2.1     2.1 2.0   1.7 1.6 1.5 1.3 1.2 1.2 1.1 7 1.2 1.1     1.1 1.2                   1.2 1.4 2.2 3.0   3.8 4.8   3.8     2.4   1.7 1.6         1.7     1.7 1.7   1.5 1.5 1.4 1.3 1.2 1.3 1.3 8 1.5 1.6     1.5 1.7                   1.6 2.2 3.0 4.0   5.3 4.3   3.2     2.8   2.8 3.0           3.1     3.3 3.2   3.4 2.5 2.2 2.1 1.9 1.7 1.7 9 1.8 1.9     2.3 2.8                   3.4 3.9 4.4 4.5   5.1 5.7   4.7     3.6   2.8 2.6           2.3     2.7 3.2   3.0 2.1 1.9 1.9 1.6 1.4 1.3 to   1.3 1.4     1.3 1.5                   2.0 2.4 2.8 3.8   4.5 3.4   1.8     1.5   1.8 1.9         2.1     2.0 2.1   2.9 2.5 2.4 2.2 2.3 2.3 2.3 8 11   2.2 2.1     2.2 3.0                   3.9 4.2 4.5 4.9   5.2 5.6   6.0     6.4   7.0 7.1           7.2     7.3 7.2   7.1 7.1 5.8 4.2 3.5 3.4 3.2
2 3
[) 12   3.3 3.2     3.1 3.2                   2.9 3.8 4.6 5.2   5.5 5.8   6.1     6.4   6.7 7.0         7.5     7.8 7.9   8,2 8.5 8.6 8.7 8.7 8.7' 8.8
4 5
,  g 13   8.7 8.8     8.6 8.5                   8.5 8.5 8.6 8.9   8.4 5.5   3.4     3.0   3.0 3.0           2.9     2.5 2.2   2.0 2.0 1.8 1.7 1.6 1.7 1.8
6 7
!    14   2.0 2.3     2.4 2.4                   2.9 3.6 4.2 5.1   6.2 5.5   4.0     3.9   3.4 3.2           3.2     3.7 3.9   4.7 5.0 4.0 3.8 3.6 3.4 3.4 15   3.6 3.7     3.7 4.2                   4.4 4.6 5.1 5.5   6.0 7.1   7.3     7.2   6.7 6.1           5.6     5.6 6.0   6.2 4.4 3.5 3.1 2.9 2.9 2.6 16   2.5 2.6     2.5 2.5                   2.9 3.0 3.2 3.6   4.7 5.5   4.5     3.8   3.4 3.1           3.1     2.9 2.5   2.5 2.4 2.4 2.2 2.1 2.1 1.9 17   1.7 1.7     1.6 1.7                   1.6 1.7 1.7 1.7   1.7 1.8   2.0     2.5   2.0 2.1           2.1     2.1 2.2   2.0 2.0 1.9 2.1 2.0 2.1 2.2 18   2.2 2.2     2.2 2.1                   2.1 1.7 1.7 1.3   1.2 1.4   1.6     1.6   1.7 1.8           1.8     1.5 1.2   1.0 1.0 1.1 0.9 1.0 1.8 1.1 19   1.3 1.6     1.7 2.3                   2.6 2.7 2.7 2.8   3.2 3.0   2.5     2.1   I.9 1.9           1.9     1.9 1.9   1.8 1.9 1.8 1.9 1.9 1.9 1.9
8 9
!    20   2.0 2.0     2.3 2.7                   2.9 2.8 2.8 2.9   2.7 2.2   2.0     1.9   2.3 2.0           2.2     2.4 2.3   2.2 2.0 1.9 1.8 1.9 1.8 1.9 l   21   2.0 2.2     2.4 2.7                   2.8 2.8 2.8 2.9   2.9 2.8   2.3     2.1   2.0 2.1           2.2     2.3 2.4   2.4 2.1 2.0 1.9 1.9 1.8 1.8 l   22   1.9 2.1     2.4 2.7                   2.8 2.7 2.8 2.9   2.9 2.9   2.3     2.1   2.0 2.0           2.0     1.9 1.9   1.9 1.8 1.8 1.7 1.7 1.7 1.7
to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1
!    23   1.6 1.6     1.6 1.6                   1.9 2.1 3.0 5.4   6.0 4.2   3.0     2.5   2.2 2.2           2.1     2.1 2.4   3.4 2.5 2.1 1.9 1.9 1.9 1.8 24   1.6 1.8     2.0 2.4                   3.0 3.6 4.3 4.9   5.7 7.0   6.4     4.8   3.6 2.9           2.7     2.7 3.0   3.2 2.7 2.2 2.1 2.0 2.0 2.1       1 25   2.2 2.1     2.3 2.5                   2.9 3.4 3.8 4.2   4.6 5.2   6.6     7.0   6.3 5.2           4.4     3.8 3.5   3.1 2.9 2.4 2.1 ~1.9 1.8 1.9       i 26   2.1 2.2     2.3 2.4                   2.8 3.0 3.4 3.7   4.2 4.5   4.3     3.7   3.0 2.6           2.3     2.3 2.2   2.1 2.0 2.0 1.9 1.9 2.1 2.1       l 27   2.1 2.1     2.1 2.1                   2.1 2.1 2.0 2.0   2.1 2.0   1.8     1.7   1.7 1.7           1.6     1.7 1.7   1.5 1.5 1.4 1.4 1.3 1.3 1.3       I l   2S   1.3 1.3     1.4 1.6                   1.8 1.8 2.0 2.0   2.0 2.1   2.3     2.2   2.3 2.2           2.3     2.1 2.0   1.9 1.7 1.6 1.6 1.5 1.6 1.6       j l   29   1.6 1.6     2.0 2.1                   2.3 2.4 2.5 2.6   2.5 2.5   2.4     2.5   2.3 2.4           2.3     2.3 2.2   2.1 2.0 2.0 1.9 1.7 1.6 1.6       l 33   1.5 1.5     1.5 1.6                   1.8 1.9 2.0 2.1   2.2 2.2   2.3     2.4   2.3 2.2           2.2     2.2 2.1   2.0 1.9 1.8 8.7 1.5 1.5 1.5 i   31   1.4 1.5     1.5 1.6                   I.8 1.9 1.9 1.7   1.7 1.5   1.4     1.3   1.2 1.2           1.2     1.2 1.2   1.2 1.3 1.4 1.6 1.5 1.5 1.6 l                                                                                                                                                                       l l
2.1 2.0 2.1 2.2 3.2 4.0 4.5 4.9 5.2 5.6 4.8 4.0 2.7 2.7 2.7 2.6 2.7 2.6 2.6 2.4 2.4 2.2 2.2 2.0 2
2.1 1.9 2.0 2.3 2.8 3.4 4.1 4.4 5.1 6.0 5.1 3.3 2.6 2.3 2.1 2.2 2.1 2.0 1.9 1.8 1.6 1.4 1.2 1.2 3
1.2 1.3 1.5 1.7 1.8 2.3 2.9 3.7 4.4 3.9 2.8 2.3 2.2 2.1 2.1 2.0 2.0 1.9 1.8 1.7 1.7 1.7 1.7 1.6 4
1.7 1.7 2.1 2.4 2.5 2.4 2.3 2.1 2.0 2.0 1.9 1.8 1.6 1.7 1.5 1.4 1.3 1.1 1.1 1.0 1.0 1.0 1.1 1.1 5
1.3 1.4 1.5 1.6 1.7 1.6 1.7 2.3 3.5 4.2 3.3 2.7 2.5 2.3 2.3 2.1 2.1 2.0 1.8 1.7 1.7 1.7 1.7 1.7 6
1.7 1.6 1.7 1.9 2.3 3.2 4.2 4.8 5.1 4.5 3.4 2.8 2.5 2.4 2.1 2.1 2.0 1.7 1.6 1.5 1.3 1.2 1.2 1.1 7
1.2 1.1 1.1 1.2 1.2 1.4 2.2 3.0 3.8 4.8 3.8 2.4 1.7 1.6 1.7 1.7 1.7 1.5 1.5 1.4 1.3 1.2 1.3 1.3 8
1.5 1.6 1.5 1.7 1.6 2.2 3.0 4.0 5.3 4.3 3.2 2.8 2.8 3.0 3.1 3.3 3.2 3.4 2.5 2.2 2.1 1.9 1.7 1.7 9
1.8 1.9 2.3 2.8 3.4 3.9 4.4 4.5 5.1 5.7 4.7 3.6 2.8 2.6 2.3 2.7 3.2 3.0 2.1 1.9 1.9 1.6 1.4 1.3 to 1.3 1.4 1.3 1.5 2.0 2.4 2.8 3.8 4.5 3.4 1.8 1.5 1.8 1.9 2.1 2.0 2.1 2.9 2.5 2.4 2.2 2.3 2.3 2.3 8
11 2.2 2.1 2.2 3.0 3.9 4.2 4.5 4.9 5.2 5.6 6.0 6.4 7.0 7.1 7.2 7.3 7.2 7.1 7.1 5.8 4.2 3.5 3.4 3.2
[)
12 3.3 3.2 3.1 3.2 2.9 3.8 4.6 5.2 5.5 5.8 6.1 6.4 6.7 7.0 7.5 7.8 7.9 8,2 8.5 8.6 8.7 8.7 8.7' 8.8 13 8.7 8.8 8.6 8.5 8.5 8.5 8.6 8.9 8.4 5.5 3.4 3.0 3.0 3.0 2.9 2.5 2.2 2.0 2.0 1.8 1.7 1.6 1.7 1.8 g
14 2.0 2.3 2.4 2.4 2.9 3.6 4.2 5.1 6.2 5.5 4.0 3.9 3.4 3.2 3.2 3.7 3.9 4.7 5.0 4.0 3.8 3.6 3.4 3.4 15 3.6 3.7 3.7 4.2 4.4 4.6 5.1 5.5 6.0 7.1 7.3 7.2 6.7 6.1 5.6 5.6 6.0 6.2 4.4 3.5 3.1 2.9 2.9 2.6 16 2.5 2.6 2.5 2.5 2.9 3.0 3.2 3.6 4.7 5.5 4.5 3.8 3.4 3.1 3.1 2.9 2.5 2.5 2.4 2.4 2.2 2.1 2.1 1.9 17 1.7 1.7 1.6 1.7 1.6 1.7 1.7 1.7 1.7 1.8 2.0 2.5 2.0 2.1 2.1 2.1 2.2 2.0 2.0 1.9 2.1 2.0 2.1 2.2 18 2.2 2.2 2.2 2.1 2.1 1.7 1.7 1.3 1.2 1.4 1.6 1.6 1.7 1.8 1.8 1.5 1.2 1.0 1.0 1.1 0.9 1.0 1.8 1.1 19 1.3 1.6 1.7 2.3 2.6 2.7 2.7 2.8 3.2 3.0 2.5 2.1 I.9 1.9 1.9 1.9 1.9 1.8 1.9 1.8 1.9 1.9 1.9 1.9 20 2.0 2.0 2.3 2.7 2.9 2.8 2.8 2.9 2.7 2.2 2.0 1.9 2.3 2.0 2.2 2.4 2.3 2.2 2.0 1.9 1.8 1.9 1.8 1.9 l
21 2.0 2.2 2.4 2.7 2.8 2.8 2.8 2.9 2.9 2.8 2.3 2.1 2.0 2.1 2.2 2.3 2.4 2.4 2.1 2.0 1.9 1.9 1.8 1.8 l
22 1.9 2.1 2.4 2.7 2.8 2.7 2.8 2.9 2.9 2.9 2.3 2.1 2.0 2.0 2.0 1.9 1.9 1.9 1.8 1.8 1.7 1.7 1.7 1.7 23 1.6 1.6 1.6 1.6 1.9 2.1 3.0 5.4 6.0 4.2 3.0 2.5 2.2 2.2 2.1 2.1 2.4 3.4 2.5 2.1 1.9 1.9 1.9 1.8 24 1.6 1.8 2.0 2.4 3.0 3.6 4.3 4.9 5.7 7.0 6.4 4.8 3.6 2.9 2.7 2.7 3.0 3.2 2.7 2.2 2.1 2.0 2.0 2.1 1
25 2.2 2.1 2.3 2.5 2.9 3.4 3.8 4.2 4.6 5.2 6.6 7.0 6.3 5.2 4.4 3.8 3.5 3.1 2.9 2.4 2.1
~1.9 1.8 1.9 i
26 2.1 2.2 2.3 2.4 2.8 3.0 3.4 3.7 4.2 4.5 4.3 3.7 3.0 2.6 2.3 2.3 2.2 2.1 2.0 2.0 1.9 1.9 2.1 2.1 l
I 27 2.1 2.1 2.1 2.1 2.1 2.1 2.0 2.0 2.1 2.0 1.8 1.7 1.7 1.7 1.6 1.7 1.7 1.5 1.5 1.4 1.4 1.3 1.3 1.3 l
2S 1.3 1.3 1.4 1.6 1.8 1.8 2.0 2.0 2.0 2.1 2.3 2.2 2.3 2.2 2.3 2.1 2.0 1.9 1.7 1.6 1.6 1.5 1.6 1.6 j
l 29 1.6 1.6 2.0 2.1 2.3 2.4 2.5 2.6 2.5 2.5 2.4 2.5 2.3 2.4 2.3 2.3 2.2 2.1 2.0 2.0 1.9 1.7 1.6 1.6 l
33 1.5 1.5 1.5 1.6 1.8 1.9 2.0 2.1 2.2 2.2 2.3 2.4 2.3 2.2 2.2 2.2 2.1 2.0 1.9 1.8 8.7 1.5 1.5 1.5 i
31 1.4 1.5 1.5 1.6 I.8 1.9 1.9 1.7 1.7 1.5 1.4 1.3 1.2 1.2 1.2 1.2 1.2 1.2 1.3 1.4 1.6 1.5 1.5 1.6 l
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1 1
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SECTION 4 WATER QUALITY STUDIES t
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!                            SECTION 4 WATER QUALITY STUDIES t
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WATER QUALITY STUDIES Dissolved oxygen concentration and pH, in addition to temperature, have been monitored continuously by Honeywell l
l
W-20 Water Quality Water Collection Systems since 1968 at Station 3, downstream of Vermont Yankee, and since 1970 at Station 7, upstream of the plant.
: 4. WATER QUALITY STUDIES Dissolved oxygen concentration and pH, in addition to temperature, have been monitored continuously by Honeywell l W-20 Water Quality Water Collection Systems since 1968 at
Summaries of the dissolved oxygen and pH data collected in 1982 are shown in Table 4.1 for Station 3 and Table 4.2 for Station 7.
! Station 3, downstream of Vermont Yankee, and since 1970 at Station 7, upstream of the plant.                   Summaries of the dissolved oxygen and pH data collected in 1982 are shown in Table 4.1 for Station 3 and Table 4.2 for Station 7.                   The dissolved oxygen data are reduced to daily means and daily maxima and minima with times of occurrence; the pH data are shown as daily maxima and minima.
The dissolved oxygen data are reduced to daily means and daily maxima and minima with times of occurrence; the pH data are shown as daily maxima and minima.
The tabulated dissolved oxygen and pH data of Tables 4.1 and 4.2 are presented graphically in Figures 4.1 through 4.4.
The tabulated dissolved oxygen and pH data of Tables 4.1 and 4.2 are presented graphically in Figures 4.1 through 4.4.
The shaded areas in those figures show the largest maximum and smallest minimum observed in that month in any one of the years of record prior to 1982. The shaded areas in the dissolved
The shaded areas in those figures show the largest maximum and smallest minimum observed in that month in any one of the years of record prior to 1982.
, oxygen graphs are divided by lines connecting the average D.O.
The shaded areas in the dissolved oxygen graphs are divided by lines connecting the average D.O.
for each month calculated from the monthly means in all the
for each month calculated from the monthly means in all the previous years of observation.
; previous years of observation.
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No record monthly minimum D.O. concentrations were l observed in 1982, but maxima were recorded in March, April,
No record monthly minimum D.O. concentrations were l
{ and June that were greater than had been observed in earlier years of study. At upstream Station 7, the April maximum of i 14.9 mg/l exceeded the earlier maximum of 14.5 mg/l in 1979, 1
observed in 1982, but maxima were recorded in March, April,
and the June 1982 maximum of 10.0 mg/l was greater than the previously observed June maximum, 9.9 mg/l in 1973. At I Monitor 3, downstream of Vermont Yankee, the March and April l
{
and June that were greater than had been observed in earlier years of study.
At upstream Station 7, the April maximum of 14.9 mg/l exceeded the earlier maximum of 14.5 mg/l in 1979, i
1 and the June 1982 maximum of 10.0 mg/l was greater than the previously observed June maximum, 9.9 mg/l in 1973.
At I
Monitor 3, downstream of Vermont Yankee, the March and April l


maximum of 14.9 mg/l in each month was 0.1 mg/l greater than the previous records in those months, 14.8 mg/l in 1979.
maximum of 14.9 mg/l in each month was 0.1 mg/l greater than the previous records in those months, 14.8 mg/l in 1979.
At both monitoring locations the mean monthly D.O.
At both monitoring locations the mean monthly D.O.
concentrations in November and December were lower than                                                                                                   ,
concentrations in November and December were lower than the average concentrations observed for those months in all the years of earlier studies.
the average concentrations observed for those months in all the years of earlier studies. The mean August D.O. concentra-tion at Station 3 was also lower than the 14 year mean of the earlier August data.                                                           The April and the June means at both locations were higher than the means observed in any single                                                                                               l year of prior study. The Monitor 3 mean of 14.0 mg/l in April exceeded the highest April mean of 13.6 mg/l observed in former years and the June mean of 9.6 mg/l was 0.1 mg/l greater than the previously observed June maximum there.
The mean August D.O.
concentra-tion at Station 3 was also lower than the 14 year mean of the earlier August data.
The April and the June means at both locations were higher than the means observed in any single l
year of prior study.
The Monitor 3 mean of 14.0 mg/l in April exceeded the highest April mean of 13.6 mg/l observed in former years and the June mean of 9.6 mg/l was 0.1 mg/l greater than the previously observed June maximum there.
The Monitor 7 April mean was also 14.0 mg/1; the highest April mean observed there in prior years was 13.5 mg/l in 1978.
The Monitor 7 April mean was also 14.0 mg/1; the highest April mean observed there in prior years was 13.5 mg/l in 1978.
The June mean of 9.0 mg/l was 0.1 mg/l greater than the highest mean June D.O. concentration previously at Monitor 7.
The June mean of 9.0 mg/l was 0.1 mg/l greater than the highest mean June D.O. concentration previously at Monitor 7.
The pH minimum of 6.8 recorded at Monitor 3 in May was lower than the previous record minimum of 6.9, observed in 1978 and'1979. All other pH minima and all maxima of 1982 were within the pH extremes that have been previously observed.
The pH minimum of 6.8 recorded at Monitor 3 in May was lower than the previous record minimum of 6.9, observed in 1978 and'1979.
Grab samples for water quality analysis were collected on 4 dates in 1982 at the two monitor stations and from Vermont Yankee's cooling water discharge to the river. These samples were analyzed for sixteen parameters by the procedures of Standard Methods for the Examination of Water and Wastewater, 14th edition (APHA et al. 1976). The analytical results are shown in Table 4.3. With two exceptions, all concentrations observed for all parameters in 1982 at both Station 3 and f Station 7 were within extremes that had been observed in samples of earlier years of study. The exceptions were the total iron concentration, 0.08 mg/1, in the Monitor 3 sample 7
All other pH minima and all maxima of 1982 were within the pH extremes that have been previously observed.
1 of' September 9 and the chloride concentration, 11.3 mg/1, in the Monitor 7 sample of March 11.                                                   The lowest concentration       l of iron observed at Monitor 3 in earlier' years was 0.'10 mg/l and the highest concentration of chloride found in earlier Monitor 7 samples.was 10.8 mg/1.
Grab samples for water quality analysis were collected on 4 dates in 1982 at the two monitor stations and from Vermont Yankee's cooling water discharge to the river.
These samples were analyzed for sixteen parameters by the procedures of Standard Methods for the Examination of Water and Wastewater, 14th edition (APHA et al.
1976).
The analytical results are shown in Table 4.3.
With two exceptions, all concentrations observed for all parameters in 1982 at both Station 3 and f
Station 7 were within extremes that had been observed in samples of earlier years of study.
The exceptions were the total iron concentration, 0.08 mg/1, in the Monitor 3 sample 7
1 of' September 9 and the chloride concentration, 11.3 mg/1, in the Monitor 7 sample of March 11.
The lowest concentration l
of iron observed at Monitor 3 in earlier' years was 0.'10 mg/l and the highest concentration of chloride found in earlier Monitor 7 samples.was 10.8 mg/1.
On occasion, Vermont Yankee adds the following chemicals to.its cooling water discharge.to the Connecticut River:
On occasion, Vermont Yankee adds the following chemicals to.its cooling water discharge.to the Connecticut River:
sodium sulfate, as demineralizer regenerant; sodium hypochlorite, to control _ biological fouling of the condenser cooling system; I
sodium sulfate, as demineralizer regenerant; sodium hypochlorite, to control _ biological fouling of the condenser cooling system; I
and sulfuric acid, for'pH control.                                                   The amounts of these chemicals-discharged to the river are relatively small and not likely to significantly alter the river's water quality.                                                       r
and sulfuric acid, for'pH control.
;                          However, to provide a quantitative basis for assessing the impact of Vermont Yankee's operation on Connecticut River water quality, data on the concentrations of sodium ion, chloride ion, sulfate ion, and alkalinity concentrations were subjected
The amounts of these chemicals-discharged to the river are relatively small and not likely to significantly alter the river's water quality.
r However, to provide a quantitative basis for assessing the impact of Vermont Yankee's operation on Connecticut River water quality, data on the concentrations of sodium ion, chloride ion, sulfate ion, and alkalinity concentrations were subjected
~
~
to statistical analysis.
to statistical analysis.
The statistical methods used with these four paramoters have been detailed in Reports IV and,V of this series (Aquatec l                       '1975, 1976). Data collected for.these four parameters at Stations 3fand'7 before Vermont Yankee began operation and during-the times of closed cycle operation-through 1974 were
The statistical methods used with these four paramoters have been detailed in Reports IV and,V of this series (Aquatec l
,                          combined and subjected to linear regression analysis. These analyses, using Station 7 concentrations as the independent j                           variable, resulted in the statistics summarized in Table 4.4.
'1975, 1976).
The regression lines generated by these analyses are
Data collected for.these four parameters at Stations 3fand'7 before Vermont Yankee began operation and during-the times of closed cycle operation-through 1974 were combined and subjected to linear regression analysis.
These analyses, using Station 7 concentrations as the independent j
variable, resulted in the statistics summarized in Table 4.4.
[
[
plotted as solid lines in Figure 4.5 for sodium ion, Figure 4.6 for sulfate ion, Figure 4.7 for chloride ion, and Figure 4.8 for alkalinity. Each figure also shows, as dashed lines, the 95%
The regression lines generated by these analyses are plotted as solid lines in Figure 4.5 for sodium ion, Figure 4.6 for sulfate ion, Figure 4.7 for chloride ion, and Figure 4.8 for alkalinity.
Each figure also shows, as dashed lines, the 95%
confidence limits for station 3 concentrations predicted by
confidence limits for station 3 concentrations predicted by
                          .the regression equation from new observations at Station 7.
.the regression equation from new observations at Station 7.
These confidence limits were drawn from limits calculated for I                           the minimum, mean, and maximum Station 7 concentrations used
These confidence limits were drawn from limits calculated for I
!                                                                                                           l
the minimum, mean, and maximum Station 7 concentrations used
    , _ . _ . _ _ ~ . . _ _ - . - - . _ _ . . . _ . . _ . . _ . . _ - . . . . _ _ _ , , _ . . . _ , . . _ _                  - _ _,_,..._ __ ._
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_ _ ~.. _ _ -. - -. _ _... _.. _.. _.. _ -.... _ _ _,, _... _,.. _ _


TABLE 4.4
TABLE 4.4


==SUMMARY==
==SUMMARY==
OF STATISTICS FROM LINEAR REGRESSION ANALYSIS OF PREOPERATIONAL AND CLOSED CYCLE DATA AT STATIONS 7 AND 3 FOR FOUR PARAMETERS PARAMETER Sodium Sulfate   Chloride Alkalinity Sample size                     70       72       79     80 Intercept                     0.23     0.96     1.1     4.9 Regression coefficient       0.925   0.927   0.795   0.844 Standard error of regression coefficient     0.041   0.054   0.053   0.049 Correlation coefficient       0.941   0.899   0.861   0.890 Standard error of estimate                   0.348   0.987   0.841     2.95 for each parameter in the regression analyses. The applicable range of Station 7 concentrations for each regression equation is indicated on the figure by the vertical dashed lines at the minimum and maximum value of Station 7 concentrations used to develop the equation.
OF STATISTICS FROM LINEAR REGRESSION ANALYSIS OF PREOPERATIONAL AND CLOSED CYCLE DATA AT STATIONS 7 AND 3 FOR FOUR PARAMETERS PARAMETER Sodium Sulfate Chloride Alkalinity Sample size 70 72 79 80 Intercept 0.23 0.96 1.1 4.9 Regression coefficient 0.925 0.927 0.795 0.844 Standard error of regression coefficient 0.041 0.054 0.053 0.049 Correlation coefficient 0.941 0.899 0.861 0.890 Standard error of estimate 0.348 0.987 0.841 2.95 for each parameter in the regression analyses.
The applicable range of Station 7 concentrations for each regression equation is indicated on the figure by the vertical dashed lines at the minimum and maximum value of Station 7 concentrations used to develop the equation.
On each of the figures, points for the data from samples collected in March, May, and November, when Vermont Yankee was using open cycle condenser cooling, are plotted as open circles.
On each of the figures, points for the data from samples collected in March, May, and November, when Vermont Yankee was using open cycle condenser cooling, are plotted as open circles.
Points for the data of September, when Vermont Yankee was operating in the closed cycle cooling mode, are plotted in the figures as filled circles.
Points for the data of September, when Vermont Yankee was operating in the closed cycle cooling mode, are plotted in the figures as filled circles.
Fifteen of the plotted points lie within the applicable
Fifteen of the plotted points lie within the applicable
(
(
range of concentrations from which the regression lines were developed and are well within the 95% confidence limits for Station 3 concentrations predicted by the regression equations from the observed Station 7 concentrations. The Station 7 chloride concentration in March (11.3'mg/1) is greater than the maximum Station 7 concentration used in the regression analysis j
range of concentrations from which the regression lines were developed and are well within the 95% confidence limits for Station 3 concentrations predicted by the regression equations from the observed Station 7 concentrations.
The Station 7 chloride concentration in March (11.3'mg/1) is greater than the maximum Station 7 concentration used in the regression analysis j
f
f
    - (10.2 mg/1), but the plotted point for the March chloride data would fall within the 95% confidence-limits of;an_ extrapolated regression line.
- (10.2 mg/1), but the plotted point for the March chloride data would fall within the 95% confidence-limits of;an_ extrapolated regression line.
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Line 1,224: Line 2,865:
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DISSOLVED OXYGEN STATION NO.3 1982 15                       .,s.___..
DISSOLVED OXYGEN STATION NO.3 1982 15
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FIGURE 4.1


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P H STATION NO. 3 1982 9.0 s
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5.0 1                         2                   3       4         5                 6           7         8                   9                       10                 11           12 l
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MONTH SHADED AREA Maximo and minimo, 1968-1981 See text.                                                                                                 MONTHLY MAXIMUM                                 ---
2 3
MONTHLY MINIMUM FIGURE 4.3
4 5
6 7
8 9
10 11 12 l
MONTH SHADED AREA Maximo and minimo, 1968-1981 See text.
MONTHLY MAXIMUM MONTHLY MINIMUM FIGURE 4.3


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                                                                                                      )
)
COMPARISON OF OBSERVED STATION 3                         SODIUM ION                 CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM                                               l PREOPERATIONAL/ CLOSED CYCLE DATA , STATIONS 7 AND 3,1969 - 74                                     l y
COMPARISON OF OBSERVED STATION 3 SODIUM ION CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM l
PREOPERATIONAL/ CLOSED CYCLE DATA, STATIONS 7 AND 3,1969 - 74 y
15 -
15 -
14 -
14 -
13 -
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/
REGRESS?ON EQUATION ( y = .23 + .925m )
E 8
95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES           - - - - - - - - - -
s' s'
VERMONT YANKEE OPEN CYCLE,1982                                           o VERMONT YANKEE CLOSED CYCLE OR NOT OPERATING,1982
5-E
* FIGURE 4.5
/
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7 8
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STATION 7 SODIUM ION CONCENTRATION ( MG/L)
REGRESS?ON EQUATION ( y =.23 +.925m )
95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o
VERMONT YANKEE CLOSED CYCLE OR NOT OPERATING,1982 FIGURE 4.5 -.


COMPARISON OF OBSERVED STATION                   3 SULFATE               lON CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL/ CLOSED CYCLE DATA , STATIONS 7 AND 3,1969 - 74 i
COMPARISON OF OBSERVED STATION 3 SULFATE lON CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL/ CLOSED CYCLE DATA, STATIONS 7 AND 3,1969 - 74 i
                                                                                                / l y                                                                             /         l 15 ~                                                                       ,/
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SULFATE lON CONCENTRATION ( MG/ L )
o 8-(
I REGRESSION EQUATION ( y * .96 +.9 27s )
gg o
95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES                 - - - - - - - - - -
7-o
VERMONT YANKEE OPEN CYCLE,1982                                               o VERMONT YANKE E CLOSED CYCLE OR NOT OPERATING ,1982
/
* FIGURE 4.6 COMPARISON OF OBSERVED STATION 3 CHLORIDE ION CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL/ CLOSED CYCLE DATA , STATIONS 7 AND 3,1967 - 74 y                                                                                                                               ;
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l I
REGRESSION EQUATION
( y *.96 +.9 27s )
95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o
VERMONT YANKE E CLOSED CYCLE OR NOT OPERATING,1982 FIGURE 4.6 COMPARISON OF OBSERVED STATION 3 CHLORIDE ION CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL/ CLOSED CYCLE DATA, STATIONS 7 AND 3,1967 - 74 y
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,/
R E GR E S SION EQUATION ( y s 1.1 + .795x) 95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES                                                   - - - - - - - - - -
s 9
VERMONT YANKEE OPEN CYCLE,1982                                                                                     o VERMONT YANKE E CLOSED CYCLE OR NOT OPERATING ,1982
,/
* FIGURE 4.7
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.x 0
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9 10 il 12 13 14 15 STATION 7 l
CHLORIDE 10N CONCENTRATION (MG/L )
R E GR E S SION EQUATION ( y s 1.1 +.795x) 95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o
VERMONT YANKE E CLOSED CYCLE OR NOT OPERATING,1982 FIGURE 4.7 <


COMPARISON OF OBSERVED STATION                     3 ALKALINITY                     CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM                                               i PREOPERATIONAL / CLOSED CYCLE DATA , STATIONS 7 AND 3,1967 - 74 s0 -
COMPARISON OF OBSERVED STATION 3 ALKALINITY CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL / CLOSED CYCLE DATA, STATIONS 7 AND 3,1967 - 74
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I 0                                                                                       i*
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(                         i                               i             a O             10           20                 30           40                     50 STATION 7 ALK ALINITY       (MG/L)
i*
REGRE SSION EQUATION ( y 4.9 + .844 a )
(
95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES               - - - - - - - - - -
i i
!          VERMONT YANKEE OPEN CYCLE,1982                                             o VERMONT YANMEE CLOSED CELE OR NOT OPERATING,1982                           e FIGURE 4.8 TABLE 4.1-1 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JANUARY 1982 DISSOLVED OXYGEN (MG/L)                           pH Day   Maximum   Time     Minimum       Time   Mean Maximum     Minimum 1   14.1     2000       12.6       1300     13.5   7.5         7.3 2   14.1     0100       12.7       0900     13.7   7.5         7.4 3   13.7     0130       12.4       1200     13.3   7.5         7.3 4   13.9     2200       12.6       1000     13.5-   7.4         7.3-5   13.8     1330       13.5       0200   13.7     7.4         7.3 6   13.8     2030       13.6       1100   13.7   7.5         7.4 7   13.8     0500       13.6       1400   13.7   7.5         7.4 8   13.7     0230       13.4       1530   13.6     7.5         7.3 L   9   13.9     2330       13.5       1530   13.7   7.5         7.3
a O
              ? 10     13.9     0330       13.5       1500   13.7   7.5         7.3 11     13.9     1800       12.6-       0900   13.6   7.4           7.2 12     13.9     2000       12.7       0800   13.7   7.5         7.3 13     14.0     2300       12.8       0900   13.8   7.4         7.3 14     14.1     1600       13.1       0700   13.8   7.4         7.2 15     14.1     1800       13.8       0800   14.0   7.5         7.4 16     14.0     0000       13.1       1000   13.7   7.5         7.3 17     13.9     0200       13.0       1100   13.6   7.4         7.3 18     13.8     1900       13.0       0800   13.6   7.4         7.2 19     14.1     1400       12.7       0900   13.8   7.3         7.2 20     14.1     1700       13.1       0800   13.9   7.3         7.2 21     14.1     1600       13.3       0800   13.9   7.4         7.2 22     14.1     2030       13.3       0900   13.9   7.3         7.2 23     14.4     2400       13.1       1100   13.9   7.3         7.2 24     14.4     0300       13.0       1800   13.7   7.3         7.1 25                   No Valid Data                       No Valid Data 26                       "  "      "                      "  "    "
10 20 30 40 50 STATION 7 ALK ALINITY (MG/L)
27                       "  "      "                      "  "    "
REGRE SSION EQUATION ( y 4.9 +.844 a )
28                       "  "      "                      "  "    "
95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o
29                       "  "    "
VERMONT YANMEE CLOSED CELE OR NOT OPERATING,1982 e
7.3         7.2 30     13.7     1800       12.7       0930     13.4   7.3         7.2 31                   No Valid Data                   Sensor 8n?pe89RAwm     _ _ _
FIGURE 4.8 TABLE 4.1-1 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JANUARY 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
14.1 2000 12.6 1300 13.5 7.5 7.3 2
14.1 0100 12.7 0900 13.7 7.5 7.4 3
13.7 0130 12.4 1200 13.3 7.5 7.3 4
13.9 2200 12.6 1000 13.5-7.4 7.3-5 13.8 1330 13.5 0200 13.7 7.4 7.3 6
13.8 2030 13.6 1100 13.7 7.5 7.4 7
13.8 0500 13.6 1400 13.7 7.5 7.4 8
13.7 0230 13.4 1530 13.6 7.5 7.3 L
9 13.9 2330 13.5 1530 13.7 7.5 7.3
?
10 13.9 0330 13.5 1500 13.7 7.5 7.3 11 13.9 1800 12.6-0900 13.6 7.4 7.2 12 13.9 2000 12.7 0800 13.7 7.5 7.3 13 14.0 2300 12.8 0900 13.8 7.4 7.3 14 14.1 1600 13.1 0700 13.8 7.4 7.2 15 14.1 1800 13.8 0800 14.0 7.5 7.4 16 14.0 0000 13.1 1000 13.7 7.5 7.3 17 13.9 0200 13.0 1100 13.6 7.4 7.3 18 13.8 1900 13.0 0800 13.6 7.4 7.2 19 14.1 1400 12.7 0900 13.8 7.3 7.2 20 14.1 1700 13.1 0800 13.9 7.3 7.2 21 14.1 1600 13.3 0800 13.9 7.4 7.2 22 14.1 2030 13.3 0900 13.9 7.3 7.2 23 14.4 2400 13.1 1100 13.9 7.3 7.2 24 14.4 0300 13.0 1800 13.7 7.3 7.1 25 No Valid Data No Valid Data 26 27 28 29 7.3 7.2 30 13.7 1800 12.7 0930 13.4 7.3 7.2 31 No Valid Data Sensor 8n?pe89RAwm


_= --
_=
TABLE 4.1-2 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 FEBRUARY 1982.
TABLE 4.1-2 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 FEBRUARY 1982.
DISSOLVED OXYGEN (MG/L)                           pH -
DISSOLVED OXYGEN (MG/L) pH -
Day   Maximum     Time         Minimum       Time   Mean Maximum       Minimum 1                         No Valid Data-                 Sensor Inoperative 2     12.9       0100         11.9       .0900 _12.6   "
Day Maximum Time Minimum Time Mean Maximum Minimum 1
3      12.6       0200         11.8         0700   12.4 4     12.4       0030         11.7         0700- 12.2 5             Chart Drive Motor Inoperative               Chart Drive Motor 6               "      "      "        "
No Valid Data-Sensor Inoperative 2
Inoperative 7               "      "      "-        "                        "
12.9 0100 11.9
8               a       a       a         a                       =
.0900
l b 9               a       a       a         a                       a y 10               a       a       a         a                       a 11     14.4       1800         13.7         0200   14.0   7.4,           7.2 12     14.6       1900         13.8~       0530   14.3   7.4           7.1 13     14.5       0100-         14.3         0830   14.4   7.3           7.1 14     14.6       1800         14.1         1000   14.3   7.3           -7.1 15     14.5       1930-         14.0         0730   14.2   7.3           7.1 16     14.4       1030         14.0         0330   14.2   7.2           7.0 17     14.1       1500         13.7         0800 '14.0-   7.2           7.0 18     14.1       1800         13.0         0830   13.8-   7.2           7.0 19     13,9       1630         13.0         0730   13.7   7.1           6.9 20     13.9       0130         12.8         0900   13.7   7.1           6.9 21     13.8       0430         12.5         1200   13.5   7.1           6.9 22     13.6       0430         12.3         0800   13.3   7.0           6.9 23     13.3       0030         12.4         0830   13.1   7.0           6.9 24     13.2       0030         12.0         0800   12.8   7'.0     -
_12.6 3
6.9 25     13.0       0100     '
12.6 0200 11.8 0700 12.4 4
12.3         0430   12.6   7.1           6. 9 -
12.4 0030 11.7 0700-12.2 5
26      13.1        2000        12.1         0800   12.8   7.1           6.9 27     13.3       2100         12.6         1800   13.1   7.1           6.9 28     13.4       0100         12.3         1230   13.0   7.0           6.9
Chart Drive Motor Inoperative Chart Drive Motor 6
Inoperative 7
8 a
a a
a
=
b 9
a a
a a
a l
y 10 a
a a
a a
11 14.4 1800 13.7 0200 14.0 7.4, 7.2 12 14.6 1900 13.8~
0530 14.3 7.4 7.1 13 14.5 0100-14.3 0830 14.4 7.3 7.1 14 14.6 1800 14.1 1000 14.3 7.3
-7.1 15 14.5 1930-14.0 0730 14.2 7.3 7.1 16 14.4 1030 14.0 0330 14.2 7.2 7.0 17 14.1 1500 13.7 0800
'14.0-7.2 7.0 18 14.1 1800 13.0 0830 13.8-7.2 7.0 19 13,9 1630 13.0 0730 13.7 7.1 6.9 20 13.9 0130 12.8 0900 13.7 7.1 6.9 21 13.8 0430 12.5 1200 13.5 7.1 6.9 22 13.6 0430 12.3 0800 13.3 7.0 6.9 23 13.3 0030 12.4 0830 13.1 7.0 6.9 24 13.2 0030 12.0 0800 12.8 7'.0 6.9 25 13.0 0100 26 13.1 2000 12.3 0430 12.6 7.1
: 6. 9 -
12.1 0800 12.8 7.1 6.9 27 13.3 2100 12.6 1800 13.1 7.1 6.9 28 13.4 0100 12.3 1230 13.0 7.0 6.9


4 i
4 i
TABLE 4.1-3                   ,
TABLE 4.1-3 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 MARCH 1982 DISSOLVED OXYGEN (MG/L) pH d
DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 MARCH 1982 DISSOLVED OXYGEN (MG/L)                       pH d
Day Maximum Time Minimum Time Mean Maximum Minimum 1
Day Maximum   Time     Minimum         Time Mean   Maximum   Minimum 1   13.5     0000         12.5       0830 13.2     7.1       6.9 2   13.8     0030         12.8       0830 13.4     7.0       6.8 3   13.9     1830         13.0       0830 13.7     7.1       6.9 4   13.6     1500         12.8       0830 13.4     7.2       7.0 5   13.6     0030         12.8       1630 13.3     7.2       7.0 6   13.3     0030         12.3       0830 13.0     7.1       7.0 7   13.3     1930         12.2       1130 13.0     7.1       7.0 8   13.4     0100         12.2       0800 13.1     7.1       6.9 5 9   13.3     0100         12.5       0730 13.1   7.1         6.9 10   13.3     0300         12.5       0730 13.2     7.2       6.9 11   13.5     2330         12.6-       0730 13.3   7.3         7.2 12   13.3     2030         12.7       0730 13.1   7.3         7.2 13   13.4     2000         13.0       0830 13.3   7.3         7.2 14   13.5     2300         13.3       1400 13.4   7.3         7.2 15   13.5     2400         13.3       1500 13.4   7.2         7.1 16   13.8     1930       13.5         0030 13.7   7.2         7.0 17   14.0     1130       13.8         0000 13.9-   7.3         7.1 18   13.9     0100       13.7         1200 13.8   7.2         7.1 19   14.0     1830       13.9         1300 14.0   7.3         7.1 20   14.0     1900       13.9         1100 14.0   7.3         7.2
13.5 0000 12.5 0830 13.2 7.1 6.9 2
,          21                 No Valid Data                   7.3         7.2 22                 "      "      "
13.8 0030 12.8 0830 13.4 7.0 6.8 3
7.3         7.2 23   13.8     2330       13.6         0930 13.7   7.3         7.1 i
13.9 1830 13.0 0830 13.7 7.1 6.9 4
24   13.8     1800       13.7         0100 13.8   7.1-       7.0 25   13.9     1930       13.7         0330 13.8   7.2         7.0-26                 No Valid Data                   7.2         7.0 27                 "    "      "
13.6 1500 12.8 0830 13.4 7.2 7.0 5
7.2         7.0 28                 "    "      "
13.6 0030 12.8 1630 13.3 7.2 7.0 6
7.2         7.0 29   14.9     -
13.3 0030 12.3 0830 13.0 7.1 7.0 7
14.9           -
13.3 1930 12.2 1130 13.0 7.1 7.0 8
14.9   7.1         7.0 30   14.9     -
13.4 0100 12.2 0800 13.1 7.1 6.9 5
14.9           -
9 13.3 0100 12.5 0730 13.1 7.1 6.9 10 13.3 0300 12.5 0730 13.2 7.2 6.9 11 13.5 2330 12.6-0730 13.3 7.3 7.2 12 13.3 2030 12.7 0730 13.1 7.3 7.2 13 13.4 2000 13.0 0830 13.3 7.3 7.2 14 13.5 2300 13.3 1400 13.4 7.3 7.2 15 13.5 2400 13.3 1500 13.4 7.2 7.1 16 13.8 1930 13.5 0030 13.7 7.2 7.0 17 14.0 1130 13.8 0000 13.9-7.3 7.1 18 13.9 0100 13.7 1200 13.8 7.2 7.1 19 14.0 1830 13.9 1300 14.0 7.3 7.1 20 14.0 1900 13.9 1100 14.0 7.3 7.2 21 No Valid Data 7.3 7.2 22 7.3 7.2 23 13.8 2330 13.6 0930 13.7 7.3 7.1 i
14.9   7.2         7.0
24 13.8 1800 13.7 0100 13.8 7.1-7.0 25 13.9 1930 13.7 0330 13.8 7.2 7.0-26 No Valid Data 7.2 7.0 27 7.2 7.0 28 7.2 7.0 29 14.9 14.9 14.9 7.1 7.0 30 14.9 14.9 14.9 7.2 7.0 31 14.9 14.9 14m0 Ts2 Won
,          31   14.9     -
14.9           -
14m0   Ts2         Won     ___


l TABLE 4.1-4
l TABLE 4.1-4
                                                                ' DISSOLVED OXYGEN AND pH DATA-VERMONT YANKEE SAMPLE STATION NO. 3 l                                                                           APRIL 1982 DISSOLVED OXYGEN (MG/L)                                     EH Day   Maximum                 Time       Minimum             Time Mean Maximum'             Minimum 1       14.9                 -
' DISSOLVED OXYGEN AND pH DATA-VERMONT YANKEE SAMPLE STATION NO. 3 l
14.9               -  14.9         7.3               7.1 2       14.9                 -          14.9               -
APRIL 1982 DISSOLVED OXYGEN (MG/L)
14.9         7.3               7.1 i                           3                                   No Valid Data                           7.3               7.0       ,
EH Day Maximum Time Minimum Time Mean Maximum' Minimum 1
4                                     "    "            "                                                '
14.9 14.9 14.9 7.3 7.1 2
7.1               7.0 5       14.9                 1400         14.6             2200 14.7         7.2               7.1 3
14.9 14.9 14.9 7.3 7.1 i
6      14.9                 1200         14.6             0000 14.8-       7.3               7.1       ;
3 No Valid Data 7.3 7.0 4
7                                   No. Valid Data                           7.4               7.2 8                                     "    "-            "
7.1 7.0 5
7.2               7.0 1               9       14.1                 0930         13.9             1600 14.0         7.2               7.0 y               10       14.0                 0400         13.7             1730 13.8         7.2               7.1 i                           11                                   No' Valid Data.                         7'. 2             7.1 12                                     "    "            "
14.9 1400 14.6 2200 14.7 7.2 7.1 6
7.3               7.1
14.9 1200 14.6 0000 14.8-7.3 7.1 3
!                            13       13.5                 0430         13.3             1200 13.4         7.3               7.2
7 No. Valid Data 7.4 7.2 8
!                            14       13.6                 0800         13.4             2400 13.5         7,3               7.1 15       13.5                 2000         13.3             1100 13.4         7.2               7.1 16       13.4                 0000         13.2             1800 13.3         7.2               7.1 17       13.3                 1500         12.9             2300 13,1         7.2               7.1 18                                   No Valid Data                           7,2             .7. 0 19                                     "    "            "
7.2 7.0 1
7.1             '7.0 20                                     "    "            "-
9 14.1 0930 13.9 1600 14.0 7.2 7.0 y
7.1               7.0 21                                     "    "            "
10 14.0 0400 13.7 1730 13.8 7.2 7.1 i
7.2               7.0' 22                                     "    "            "
11 No' Valid Data.
7.2               7.0 23                                     "    "            "
7' 2 7.1 12 7.3 7.1 13 13.5 0430 13.3 1200 13.4 7.3 7.2 14 13.6 0800 13.4 2400 13.5 7,3 7.1 15 13.5 2000 13.3 1100 13.4 7.2 7.1 16 13.4 0000 13.2 1800 13.3 7.2 7.1 17 13.3 1500 12.9 2300 13,1 7.2 7.1 18 No Valid Data 7,2
7.2               6.9 24                                     "    "            "
.7. 0 19 7.1
7.1               6.9 25                                 Pump Inoperative                     Pump Inoperative 26                                     "                "                        "          "
'7.0 20 7.1 7.0 21 7.2 7.0' 22 7.2 7.0 23 7.2 6.9 24 7.1 6.9 25 Pump Inoperative Pump Inoperative 26 27 28 No Valid Data 7.0 6.8 29 6.9 6.8 30 6.9 6.8 e.
27                                     "              "                        "          "
28                                   No Valid Data                           7.0             6.8 29                                     "    "            "
6.9             6.8 30                                     "    "            "
6.9             6.8
                                                                                                    .          e.


O TABLE 4.1-5 DISSOLVED OXYGEN AND pH DATA i
O TABLE 4.1-5 DISSOLVED OXYGEN AND pH DATA i
VERMONT YANKEE SAMPLE STATION NO. 3 MAY 1982 DISSOLVED OXYGEN (MG/L)                         pH Day   Maximum   Time     Minimum       Time   Mean   Maximum   Minimum -
VERMONT YANKEE SAMPLE STATION NO. 3 MAY 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
1                    No Valid Data                     7.0       15 .;8 2                                                     7.1         6.9 3                                                     7.1         7.0 4                                                     7.1         7.0 5                                                     7.1         6.9 6     12.0     1130       11.5         2400   11.8     7.2         7.0 7     12.2     0000       12.0         1130   12.1     7.2         7.0 8                   No Valid Data                     7.2         7.0
No Valid Data 7.0 15.;8 2
                                ,                                                        9                                                      7.1         7.0 m                                                                                 "  "      "
7.1 6.9 3
10                                                     7.2         7.0 7                                                         11 7.2         7.0 12                                                     7.2         7.0 13     11.2     0330       10.5       1700   10.8     7.2         7.0 14     11.1     0430       10.5         1430   10.8   7.1         7.0 15     10.9     0900       10.5         1830   10.7     7.1         7.0 16     10.7     0330       10.2       1030   10.5     7.1         7.0 I                                                                                       17     10.6     1100       10.0         1630   10.3     7.2         7.0 18     10.5     1200       10.2       2400   10.4     7.2         7.0 1                                                                                       19     10.6     0730         9.8       1730 10.2     7.3         7.1 20     10.2     0730         9.7       2300   10.0   7.3         7.1 21       9.8   0830         9.6       1500     9.7   7.3         7.1 22     10.1   1130         9.7       0030     9.9   7.3         7.1 23     10.0   2200         9.7       0700     9.8   7.3         7.1 24     10.1     1530         9.8       1000     9.9   7.3         7.1 25     10.2   2000       10.0       0600   10.1   7.3         7.1 26     10.1   0030         9.8       1830     9.9   7.4         7.1 27     10.0   0000         9.6       1400     9.8   7.4         7.1 28       9.8   0000         9.4       0830     9.6   7.4         7.1 29       9.7   0300         9.4       1130   9.6   7.4         7.2 30       9.8   1830         9.3       0800     9.6   7.4         7.2 31       9.7   2030         9.3       0500     9.5   7.5         7.2
7.1 7.0 4
7.1 7.0 5
7.1 6.9 6
12.0 1130 11.5 2400 11.8 7.2 7.0 7
12.2 0000 12.0 1130 12.1 7.2 7.0 8
No Valid Data 7.2 7.0 9
7.1 7.0 m
10 7.2 7.0 7
11 7.2 7.0 12 7.2 7.0 13 11.2 0330 10.5 1700 10.8 7.2 7.0 14 11.1 0430 10.5 1430 10.8 7.1 7.0 15 10.9 0900 10.5 1830 10.7 7.1 7.0 16 10.7 0330 10.2 1030 10.5 7.1 7.0 I
17 10.6 1100 10.0 1630 10.3 7.2 7.0 18 10.5 1200 10.2 2400 10.4 7.2 7.0 1
19 10.6 0730 9.8 1730 10.2 7.3 7.1 20 10.2 0730 9.7 2300 10.0 7.3 7.1 21 9.8 0830 9.6 1500 9.7 7.3 7.1 22 10.1 1130 9.7 0030 9.9 7.3 7.1 23 10.0 2200 9.7 0700 9.8 7.3 7.1 24 10.1 1530 9.8 1000 9.9 7.3 7.1 25 10.2 2000 10.0 0600 10.1 7.3 7.1 26 10.1 0030 9.8 1830 9.9 7.4 7.1 27 10.0 0000 9.6 1400 9.8 7.4 7.1 28 9.8 0000 9.4 0830 9.6 7.4 7.1 29 9.7 0300 9.4 1130 9.6 7.4 7.2 30 9.8 1830 9.3 0800 9.6 7.4 7.2 31 9.7 2030 9.3 0500 9.5 7.5 7.2


TABLE 4.1-6 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JUNE 1982 DISSOLVED OXYGEN (MG/L)                       pH Day Maximum   Time     Minimum     Time   Mean   Maximum   Minimum 1   9.8     1600       9.4       0600   9.6       7.5       7.3 2 10.0     0000       9.5       2400   9.8       7.5       7.3 3   9.7     1730       9.4       0700   9.5       7.5       7.2 4   9.8     1900       9.5       1200   9.7       7.5       7.3 5   9.7     0000       9.4       1100   9.5       7.5       7.2 6   10.1     2130       9.5       0000   9.9       7.3       7.1 7   9.9     2400       9.7       0600. 9.8       7.2       7.1 8   10.2     2300       9.9       0500   10.1       7.3       7.1 5 9   10.3     0430       9.9       1630   10.1       7.3       7.1 y 10   9.9     2230       9.7       1230   9.8       7.3       7.1 11   9.9     0100       9.5       2230   9.7       7.3       7.0 12   9.8     1630       9.5       0530   9.6       7.3       7.1 13   9.6     2030       9.4       0830   9.5       7.3       7.2 14   9.8     1930       9.4       0930   9.6       7.3       7.1 15   9.8     2030       9.6       1030   9.7       7.4       7.2 16   9.7     0030       9.5       0830   9.6       7.4       7.2 17   9.5     1630       9.2       0500   9.3       7.5       7.2 18   9.6     1400       9.1       0200   9.3       7.6       7.3 19   9.4     0000       9.2       2400   9.3       7.6       7.4 20   9.5     1830       9.0       0600   9.2       7.6       7.4 21   9.3     2230       9.0       0530   9.2       7.5       7.3 22   9.6     2000       9.1       0600   9.3       7.6       7.4 23   9.6     1800       9.3       0600   9.4       7.6       7.4 24   9.7     1800       9.3       0600   9.5       7.6     7.4 25   9.8     2200       9.4       0400   9.6     7.6       7.4 26   10.0     1800       9.8       0100   9.9       7.6     7.4 27   9.9     1900       9.6       0500   9.7       7.7     7.4 28   10.0     1930       9.3       0530   9.5       7.8     7.3 29   9.6     1500       9.2       2400   9.4     7.6       7.4 30   9.5     1500       9.2       0000   9.3     7.5       7.2
TABLE 4.1-6 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JUNE 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
9.8 1600 9.4 0600 9.6 7.5 7.3 2
10.0 0000 9.5 2400 9.8 7.5 7.3 3
9.7 1730 9.4 0700 9.5 7.5 7.2 4
9.8 1900 9.5 1200 9.7 7.5 7.3 5
9.7 0000 9.4 1100 9.5 7.5 7.2 6
10.1 2130 9.5 0000 9.9 7.3 7.1 7
9.9 2400 9.7 0600.
9.8 7.2 7.1 8
10.2 2300 9.9 0500 10.1 7.3 7.1 5
9 10.3 0430 9.9 1630 10.1 7.3 7.1 y
10 9.9 2230 9.7 1230 9.8 7.3 7.1 11 9.9 0100 9.5 2230 9.7 7.3 7.0 12 9.8 1630 9.5 0530 9.6 7.3 7.1 13 9.6 2030 9.4 0830 9.5 7.3 7.2 14 9.8 1930 9.4 0930 9.6 7.3 7.1 15 9.8 2030 9.6 1030 9.7 7.4 7.2 16 9.7 0030 9.5 0830 9.6 7.4 7.2 17 9.5 1630 9.2 0500 9.3 7.5 7.2 18 9.6 1400 9.1 0200 9.3 7.6 7.3 19 9.4 0000 9.2 2400 9.3 7.6 7.4 20 9.5 1830 9.0 0600 9.2 7.6 7.4 21 9.3 2230 9.0 0530 9.2 7.5 7.3 22 9.6 2000 9.1 0600 9.3 7.6 7.4 23 9.6 1800 9.3 0600 9.4 7.6 7.4 24 9.7 1800 9.3 0600 9.5 7.6 7.4 25 9.8 2200 9.4 0400 9.6 7.6 7.4 26 10.0 1800 9.8 0100 9.9 7.6 7.4 27 9.9 1900 9.6 0500 9.7 7.7 7.4 28 10.0 1930 9.3 0530 9.5 7.8 7.3 29 9.6 1500 9.2 2400 9.4 7.6 7.4 30 9.5 1500 9.2 0000 9.3 7.5 7.2


TABLE 4.1-7 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JULY 1982 DISSOLVED OXYGEN (MG/L)                       gli Day   Maximum   Time       Minimum     Time Mean   Maximum     Minimum 1                   No Valid Data                     7.3         7.1 2                                                     7.4         7.1 3     8.8     1830         8.4       1030   8.6     7.5         7.2 4     9.0     2100         8.3       0400   8.7     7.6         7.2 5     9.4     1900         8.6       0600   9.0     7.9         7.3 6     9.1     0000         8.2       2400   8.6     7.6         7.3 7     8.4     1930         7.9       0600   8.2     7.6         7.2 8     9.4     2030         8.0       0600   8.7     8.0         7.3 5 9     9.4     1630         8.7       0600   9.0     8.0         7.5 f 10                   Pump Inoperative                 Pump Inoperative 11                                                       "      "
TABLE 4.1-7 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JULY 1982 DISSOLVED OXYGEN (MG/L) gli Day Maximum Time Minimum Time Mean Maximum Minimum 1
12                                                       "      "
No Valid Data 7.3 7.1 2
13                                                       "      "
7.4 7.1 3
14                                                       "      "
8.8 1830 8.4 1030 8.6 7.5 7.2 4
15                                                       "      "
9.0 2100 8.3 0400 8.7 7.6 7.2 5
16     8.8     1730         8.3       0700   8.5     7.4         7.0 17     8.8     1730         8.3       0630   8.5     7.4         7.0 18     8.6     2130         8.0       0630   8.3     7.4         7.1 19     8.7     1600         7.8       0600   8.3     7.6         7.1 20     7.9     0000         7.1       2400   7.5     7.3         6.9 21     7.2     1800         6.9       0700   7.0     7.1         6.9 22     7.4     1900         6.8       0730   7.1     7.2         7.0 23     7.5     1830         6.8       0530   7.1     7.3         7.0 24     7.5     1730         6.9       0700   7.2     7.4         7.0 25     7.4     1830         7.0       0630   7.2     7.3         7.1 26     7.1     1330         6.6       2230   6.9     7.3         7.0 27     8.0     1700         6.8       0200   7.4     7.5         7.1 28     7.9     0000         7.2       2400   7.5     7.3         7.1 29     7.2     0000         6.5       2400   6.9     7.2         7.1 30     7.0     1800         6.4       0600   6.7     7.2         7.1 31 _
9.4 1900 8.6 0600 9.0 7.9 7.3 6
7.5     2030         6.6       0600   7.1     7.3         7.1 ___
9.1 0000 8.2 2400 8.6 7.6 7.3 7
8.4 1930 7.9 0600 8.2 7.6 7.2 8
9.4 2030 8.0 0600 8.7 8.0 7.3 5
9 9.4 1630 8.7 0600 9.0 8.0 7.5 f
10 Pump Inoperative Pump Inoperative 11 12 13 14 15 16 8.8 1730 8.3 0700 8.5 7.4 7.0 17 8.8 1730 8.3 0630 8.5 7.4 7.0 18 8.6 2130 8.0 0630 8.3 7.4 7.1 19 8.7 1600 7.8 0600 8.3 7.6 7.1 20 7.9 0000 7.1 2400 7.5 7.3 6.9 21 7.2 1800 6.9 0700 7.0 7.1 6.9 22 7.4 1900 6.8 0730 7.1 7.2 7.0 23 7.5 1830 6.8 0530 7.1 7.3 7.0 24 7.5 1730 6.9 0700 7.2 7.4 7.0 25 7.4 1830 7.0 0630 7.2 7.3 7.1 26 7.1 1330 6.6 2230 6.9 7.3 7.0 27 8.0 1700 6.8 0200 7.4 7.5 7.1 28 7.9 0000 7.2 2400 7.5 7.3 7.1 29 7.2 0000 6.5 2400 6.9 7.2 7.1 30 7.0 1800 6.4 0600 6.7 7.2 7.1 31 7.5 2030 6.6 0600 7.1 7.3 7.1


TABLE 4.1-8 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 AUGUST 1982 t
TABLE 4.1-8 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 AUGUST 1982 t
DISSOLVED OXYGEN (MG/L)                             pH Day       Maximum         Time         Minimum       Time Mean Maximum       Minimum 1   7.5           2200           6.8         0630   7.1       7.4       7.1 2   7.6           1630           7.2         2300   7.4       7.3       7.1 3   7.3           1500           7. 0.       2400   7.1       7.3       7.1 4   7.5           1630           7.0         0500   7.2       7.3       7.0 5                 1800 7.5                           6.9         0700   7.2       7.3       7.0 6   7.6           1930           7.2         0800   7.4       7.4     .7.2 7   7.3           1500           7.1         0730   7.2       7.3       7 .1 -
DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
,                                8   7.2           0000           6.8         0730   7.0       7.3 7.1 9                             No Valid Data-                   7.4       7.1 E       10       7.5           1630           7.0         0700   7.2       7.3       7.1 y       11       7.5           1830           6.9         0630   7.2     -7.3'     7.1 12       7.7           2030           7.1         0430   7.4       7.3       7.2       '
7.5 2200 6.8 0630 7.1 7.4 7.1 2
,                        13         7.6           0000           7.3         2400   7.5       7.3       7.1 i
7.6 1630 7.2 2300 7.4 7.3 7.1 3
14       7.4           1830           7.1         0800   7.2       7.2       7.1 15       7.6           1500           7.3         0600   7.4       7.3       7.1-16       8.1           1400           7.4         0600   7.7       7.4       7.1 17       8.0           1800           7.5         1100   7.7       7.4       7.1 18       7.7           1830           7.3         0600   7.5       7.3       7.1 19       7.6           1030           7.3         2400   7.5       7.3     .7.1 20       7.5           1800           7.2         0630   7.3       7.2       7.1 21         7.9           1730           7.2         0700   7.5       7.3       7.1 22       8.2           1800           7.6         0700- 7.9       7.5'     7.3 23       8.2           1700           7.9         0000   8.1       7.5       7.3 24                                 No Valid Data                     7.6       7.3 25                                   "    "      "
7.3 1500
7.5       7.3 26                                   "    "      "
: 7. 0.
7.5       7.3 27                                   "    "      "
2400 7.1 7.3 7.1 4
7.5       7.3 28                                   "    "      "
7.5 1630 7.0 0500 7.2 7.3 7.0 5
7.5       7.3 29                                       "      "
7.5 1800 6.9 0700 7.2 7.3 7.0 6
7.5       7.4 30                                   "    "      "
7.6 1930 7.2 0800 7.4 7.4
7.5       7.4 31                                       "
.7.2 7
7.5       7.4     ;
7.3 1500 7.1 0730 7.2 7.3 7.1 -
1
8 7.2 0000 6.8 0730 7.0 7.3 7.1 9
No Valid Data-7.4 7.1 E
10 7.5 1630 7.0 0700 7.2 7.3 7.1 y
11 7.5 1830 6.9 0630 7.2
-7.3' 7.1 12 7.7 2030 7.1 0430 7.4 7.3 7.2 13 7.6 0000 7.3 2400 7.5 7.3 7.1 i
14 7.4 1830 7.1 0800 7.2 7.2 7.1 15 7.6 1500 7.3 0600 7.4 7.3 7.1-16 8.1 1400 7.4 0600 7.7 7.4 7.1 17 8.0 1800 7.5 1100 7.7 7.4 7.1 18 7.7 1830 7.3 0600 7.5 7.3 7.1 19 7.6 1030 7.3 2400 7.5 7.3
.7.1 20 7.5 1800 7.2 0630 7.3 7.2 7.1 21 7.9 1730 7.2 0700 7.5 7.3 7.1 22 8.2 1800 7.6 0700-7.9 7.5' 7.3 23 8.2 1700 7.9 0000 8.1 7.5 7.3 24 No Valid Data 7.6 7.3 25 7.5 7.3 26 7.5 7.3 27 7.5 7.3 28 7.5 7.3 29 7.5 7.4 30 7.5 7.4 31 7.5 7.4 1


TABLE 4.1-9 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 SEPTEMBER 1982 DISSOLVED OXYGEN (MG/L)                       M Day Maximum   Time     Minimum     Time   Mean   Maximum     Minimum 1               No Valid Data                     7.5         7.3 2                 Pump Inoperative                 Pump Inoperative
TABLE 4.1-9 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 SEPTEMBER 1982 DISSOLVED OXYGEN (MG/L)
    }                   99       n                       H       "
M Day Maximum Time Minimum Time Mean Maximum Minimum 1
4                   "        "                      "      "
No Valid Data 7.5 7.3 2
5                   "        "                      "      "
Pump Inoperative Pump Inoperative
6                             "
}
7                   "        "                      "      "
99 n
8                   "        "                      "      "
H 4
9
5 6
  $ 10                   "        "                      "      "
7 8
f 11                   "        "                      "      "
9 10 f
12                   "        "                      "      "
11 12 13 14 15 9.0 1700 8.6 0600 8.8 7.6 7.2 16 8.8 0000 8.3 2400 8.5 7.5 7.2 17 8.5 1630 8.2 0530 8.4 7.3 7.1 18 8.4 1300 8.1 0700 8.3 7.3 7.1 19 8.6 2200 8.0 0600 8.3 7.2 7.1 20 8.6 1730 8.3 0600 8.4 7.2 7.0 21 8.6 1630 8.3 0700 8.5 7.1 6.9 22 8.5 1430 8.3 2330 8.4 7.1 6.9 23 8.3 0000 8.1 1230 8.2 7.0 6.8 24 8.4 1730 8.1 0600 8.3 7.1 6.9 25 8.6 1700 8.3 0230 8.5 7.2 7.1 26 8.7 1700 8.4 0730 8.6 7.3 7.2 27 8.7 1100 8.5 2400 8.6 7.3 7.2 28 8.7 2000 8.4 0500 8.5 7.3 7.2 29 8.7 1430 8.5 0630 8.6 7.4 7.3 30 8.7 1030 8.4 2230 8.6 7.4 7.2
13                             "                      "      "
14                             "                      "      "
15   9.0     1700       8.6       0600   8.8     7.6         7.2 16   8.8     0000       8.3       2400   8.5     7.5         7.2 17   8.5     1630       8.2       0530   8.4     7.3         7.1 18   8.4     1300       8.1       0700   8.3     7.3         7.1 19   8.6     2200       8.0       0600   8.3     7.2         7.1 20   8.6     1730       8.3       0600   8.4     7.2         7.0 21   8.6     1630       8.3       0700   8.5     7.1         6.9 22   8.5     1430       8.3       2330   8.4   7.1         6.9 23   8.3     0000       8.1       1230   8.2   7.0         6.8 24   8.4     1730       8.1       0600   8.3   7.1         6.9 25   8.6     1700       8.3       0230   8.5   7.2         7.1 26   8.7     1700       8.4       0730   8.6   7.3         7.2 27   8.7     1100       8.5       2400   8.6   7.3         7.2 28   8.7     2000       8.4       0500   8.5   7.3         7.2 29   8.7     1430       8.5       0630   8.6   7.4         7.3 30   8.7     1030       8.4       2230   8.6   7.4         7.2


TABLE.4.1-10' DISSOLVED. OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 OCTOBER 1982 DISSOLVED OXYGEN (MG/L)                                 pH Day   Maximum           Time     Minimum       Time       Mean     Maximum       Minimum 1         9.0         1830       8.3         0730       8.7         7.5       7.3 2         9.3         1630       8.7         0530       9.0         7.6       7.3 3         9.2         1630       8.6         0600       8.9         7.6       7.4 4         9.1         1730     '8.7         1100       8.9         7.6       7.4.
TABLE.4.1-10' DISSOLVED. OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 OCTOBER 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
5         9.4         1630       8.7         0700       9.0         7.7       7.4 6         9.5         1730       8. 9 '     0730       9.2         7.7       7.4 7         9.9         1530       9.3         0800       9.5         7.9       7.6 8         9.7         2300       9.5         0900       9.6         7.6       7.5 E 9         9.8         2130       9.6       '0730       9.7         7.5       7.4 y 10         9.9         1630       9.6         0830       9.7         7.6       7.4 11         9.9         2000       9.7         0800       9.8         7.6       7.4 12         9.8         0000       9.6'       2400       9.7         7.5'       7.4 13         9.8         2000       9.6-       '0730       9.7         7.5.       7.3 14         9.9         1500       9.7         0600       9.8         7.6       7.41 15         9.8         1630       9.6         0630       9.7         7.6       7.4 16         9.8         1630       9.5         0700       9.6         7.6       7.4                 r 17         9.6         1600       9.4         0830       9.5         7.7       7.4 18         9.7         1630       9.4         0630       9.5         7.6       7.4                 ,
9.0 1830 8.3 0730 8.7 7.5 7.3 2
19         9.7         1900       9.2         0830       9.4         7.4       7.3 20         9.7         1630       9.4         0930       9.5         7.5       7.3 21     10.0             1700       9.5         0800       9.7         7.5       7.4 22     10.2             1630       9.5         0730       9.8         7.4       7.3 23     10.1             0400       9.8         2400       9.9         7.5       7.3 24         9.8         1630       9.7         0730       9.7         7.4       7.3                 I 25         9.9         2400       9.6         1200       9.7         7.4       7.2 26     10.2             1830       9.7         1000       9.9         7.4       7.3 27     10.2             2030       9.9         1030       10.0         7.4       7.2
9.3 1630 8.7 0530 9.0 7.6 7.3 3
* 28     10.1             0330       9.9         2400       10.0         7.5       7.3 29     10.0             1530       9.8         2400       9.9         7.5       7.3 30     10.0             1630       9.7         0500       9.8         7.5         7.3 31       9.9           1800       9.7         0700       9.8         7.4       7.3 p
9.2 1630 8.6 0600 8.9 7.6 7.4 4
9.1 1730
'8.7 1100 8.9 7.6 7.4.
5 9.4 1630 8.7 0700 9.0 7.7 7.4 6
9.5 1730
: 8. 9 '
0730 9.2 7.7 7.4 7
9.9 1530 9.3 0800 9.5 7.9 7.6 8
9.7 2300 9.5 0900 9.6 7.6 7.5 E
9 9.8 2130 9.6
'0730 9.7 7.5 7.4 y
10 9.9 1630 9.6 0830 9.7 7.6 7.4 11 9.9 2000 9.7 0800 9.8 7.6 7.4 12 9.8 0000 9.6' 2400 9.7 7.5' 7.4 13 9.8 2000 9.6-
'0730 9.7 7.5.
7.3 14 9.9 1500 9.7 0600 9.8 7.6 7.41 15 9.8 1630 9.6 0630 9.7 7.6 7.4 16 9.8 1630 9.5 0700 9.6 7.6 7.4 r
17 9.6 1600 9.4 0830 9.5 7.7 7.4 18 9.7 1630 9.4 0630 9.5 7.6 7.4 19 9.7 1900 9.2 0830 9.4 7.4 7.3 20 9.7 1630 9.4 0930 9.5 7.5 7.3 21 10.0 1700 9.5 0800 9.7 7.5 7.4 22 10.2 1630 9.5 0730 9.8 7.4 7.3 23 10.1 0400 9.8 2400 9.9 7.5 7.3 24 9.8 1630 9.7 0730 9.7 7.4 7.3 I
25 9.9 2400 9.6 1200 9.7 7.4 7.2 26 10.2 1830 9.7 1000 9.9 7.4 7.3 27 10.2 2030 9.9 1030 10.0 7.4 7.2 28 10.1 0330 9.9 2400 10.0 7.5 7.3 29 10.0 1530 9.8 2400 9.9 7.5 7.3 30 10.0 1630 9.7 0500 9.8 7.5 7.3 31 9.9 1800 9.7 0700 9.8 7.4 7.3 p
t
t


TABLE 4.1-11 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 NOVEMBER 1982 DISSOLVED OXYGEN (MG/L)                       pij Day     Maximum   Time     Minimum     Time   Mean   Maximum     Minimum 1       10.3     1600       9.8       0500     10.0   7.5         7.3 2       10.3     2030       9.9       0930     10.1   7.4         7.3 3       10.5     2230       9.8       0930     10.1   7.4         7.2 4       10.6     1600     10.0       0900     1G.3   7.5         7.3 5       10.5     1700       9.8       0930     10.3   7.5         7.4 6       10.5     2000     10.3       0130     10.4   7.4         7.3 7       10.5     0200     10.4       0900     10.4   7.4         7.3 8       11.1     2400     10.5       0000     10.8   7.4         7.2 i 9       11.2     2000     11.1       1300     11.1   7.4         7.3
TABLE 4.1-11 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 NOVEMBER 1982 DISSOLVED OXYGEN (MG/L) pij Day Maximum Time Minimum Time Mean Maximum Minimum 1
$ 10       11.2     0000     10.6       0830     11.0   7.4         7.2 I 11       11.0     0000     10.4       1130     10.7   7.3         7.2 12       10.9     2400     10.2       1000     10.7   7.3         7.1 13       11.1     2400     10.4       0830     10.8   7.3         7.2 14       11.2     2400     10.9       0800     11.0   7.2         7.1 15       11.3     0600     10.6       1730     11.0   7.2         7.1 16       11.3     2200     10.6       0830     11.0   7.2         7.1 17       11.3     2200     10.8       0830     11.0   7.2         7.0 18       11.5     2000     11.0       0830     11.2   7.2         7.1 19       11.6     2000     10.9       0900     11.3   7.3         7.2 20       11.5     2100     11.0       1030     11.2   7.3         7.2 21       11.4     0000     10.9       1230     11.1   7.3         7.2 22       11.4     1530     11.0       0900     11.2   7.3         7.2 23       11.5     2400     11.2       0600     11.3   7.2         7.1 24       11.7     2330     10.8       0930     11.4   7.3         7.1 25       11.6     2100     11.1       0930     11.4   7.3         7.2 26       11.7     2000     11.0       0830   11.5   7.3         7.2 27       12.1     2230     11.1       0930   11.7   7.4         7.2 28       12.3     2400     11.5       1130   12.1   7.4         7.3 29       12.5     1200     12.2       1700   12.4   7.4         7.3 30       12.3     0000     11.3       1000   12.0   7.4         7.3
10.3 1600 9.8 0500 10.0 7.5 7.3 2
10.3 2030 9.9 0930 10.1 7.4 7.3 3
10.5 2230 9.8 0930 10.1 7.4 7.2 4
10.6 1600 10.0 0900 1G.3 7.5 7.3 5
10.5 1700 9.8 0930 10.3 7.5 7.4 6
10.5 2000 10.3 0130 10.4 7.4 7.3 7
10.5 0200 10.4 0900 10.4 7.4 7.3 8
11.1 2400 10.5 0000 10.8 7.4 7.2 i
9 11.2 2000 11.1 1300 11.1 7.4 7.3 10 11.2 0000 10.6 0830 11.0 7.4 7.2 I
11 11.0 0000 10.4 1130 10.7 7.3 7.2 12 10.9 2400 10.2 1000 10.7 7.3 7.1 13 11.1 2400 10.4 0830 10.8 7.3 7.2 14 11.2 2400 10.9 0800 11.0 7.2 7.1 15 11.3 0600 10.6 1730 11.0 7.2 7.1 16 11.3 2200 10.6 0830 11.0 7.2 7.1 17 11.3 2200 10.8 0830 11.0 7.2 7.0 18 11.5 2000 11.0 0830 11.2 7.2 7.1 19 11.6 2000 10.9 0900 11.3 7.3 7.2 20 11.5 2100 11.0 1030 11.2 7.3 7.2 21 11.4 0000 10.9 1230 11.1 7.3 7.2 22 11.4 1530 11.0 0900 11.2 7.3 7.2 23 11.5 2400 11.2 0600 11.3 7.2 7.1 24 11.7 2330 10.8 0930 11.4 7.3 7.1 25 11.6 2100 11.1 0930 11.4 7.3 7.2 26 11.7 2000 11.0 0830 11.5 7.3 7.2 27 12.1 2230 11.1 0930 11.7 7.4 7.2 28 12.3 2400 11.5 1130 12.1 7.4 7.3 29 12.5 1200 12.2 1700 12.4 7.4 7.3 30 12.3 0000 11.3 1000 12.0 7.4 7.3


t j                                                                   TABLE 4.1-12 DISSOLVED OXYGEN AND pH DATA l                                               VERMONT YANKEE SAMPLE STATION NO. 3 DECEMBER 1982                                                                 4 1
t j
5 DISSOLVED OXYGEN (MG/L)                                                 pH _
TABLE 4.1-12 DISSOLVED OXYGEN AND pH DATA l
Day       Maximum         Time           Minimum           Time       Mean         Maximum             Minimum t
VERMONT YANKEE SAMPLE STATION NO. 3 DECEMBER 1982 4
i                   1         12.2           2200           11.5             0930       12.0           7.4                   7.3 2         12.4           2000           11.5             0930       12.2           7.5                   7.3
1 5
;                    3          12.3           0000           11.7             0800       12.1           7.4                   7.3 4
DISSOLVED OXYGEN (MG/L) pH _
4         12.3           1030           12.0             0330       12.2           7.4                   -7.3 5         12.3           2300           11.7             0900       12.1.           7.4                   7.3 6         12.4           0130           11.6             0830       12.1           7.4                   7.2 7         12.1           0200           11.3             0930       11.9           7.4                   7.3 8         12.0           2230           11.2             0830       11.8           7.3                   7.2
Day Maximum Time Minimum Time Mean Maximum Minimum t
;            a      9         12.3           2300           11.3             0930       11.9           7.5                   7.2 i           e     10         12.3           2300           11.6             0800       12.1           7.5                   7.3
i 1
                '  11         12.4           0100           11.4             1830       11.9-           7.4                   7.3 12         12.4           0430           11.5             2200       11.9           7.4                   7.3
12.2 2200 11.5 0930 12.0 7.4 7.3 2
!                  13         13.0           2300           11.6             0830       12.4           7.5                   7.3 l                   14         13.0           0000           12.0             0900-       12.6-           7.5                   7.4 a
12.4 2000 11.5 0930 12.2 7.5 7.3 3
15         13.0           2400           12.0             1630       12.4           7.4                   7.3 16         13.2           2330           12.6             0930       12.9           7.5                   7.3           i i                   17         13.4           2330           13.1             1300       13.2           -7.5                   7.4           '
12.3 0000 11.7 0800 12.1 7.4 7.3 4
l                  18         13.7           0730           13.4'             1400       13.5           7.6                   7.4           ;
4 12.3 1030 12.0 0330 12.2 7.4
19         13.6           2130           13.2             0800       13.4           7.5                   7.4 20         13.6           2200           13.4             0330       13.5           7.5                   7.4 21         13.6           2030           13.4             0700       13.5           7.4                   7.3
-7.3 5
,                  22         13.7           1830           13.4             0730       13.5           7.5                   7.4 23         13.7           0230           12.6             0800       13.4           7.5                   7.4 24         13.6           0030           12.5             0930       13.3           7.5.                   7.3 25         13.5           2230           12.5             1100       13.2           7.4                   7.3 26         13.5           2000           12.9             0900       13.3           7.4                   7.3 27         13.7           2200           13.5             0130       13.6           7.5.                   7.4
12.3 2300 11.7 0900 12.1.
:                  28         13.6           0130           13.5             2400       13.6           7.5                   7.4           ,
7.4 7.3 6
!                  29         13.5           0000           13.3             1700-       13.4           7.5                   7.4           "
12.4 0130 11.6 0830 12.1 7.4 7.2 7
l                  30         13.7           2330           13.3             1200       13.4             7.6                   7.4 l                   31         13.6           0100           13.4             1500       13.5           7.5                   7.4 i
12.1 0200 11.3 0930 11.9 7.4 7.3 i
: l.         _ _                              .              .              _. .                    .            -
8 12.0 2230 11.2 0830 11.8 7.3 7.2 a
9 12.3 2300 11.3 0930 11.9 7.5 7.2 t
i e
10 12.3 2300 11.6 0800 12.1 7.5 7.3 11 12.4 0100 11.4 1830 11.9-7.4 7.3 12 12.4 0430 11.5 2200 11.9 7.4 7.3 13 13.0 2300 11.6 0830 12.4 7.5 7.3 l
14 13.0 0000 12.0 0900-12.6-7.5 7.4 a
15 13.0 2400 12.0 1630 12.4 7.4 7.3 16 13.2 2330 12.6 0930 12.9 7.5 7.3 i
i 17 13.4 2330 13.1 1300 13.2
-7.5 7.4 l
18 13.7 0730 13.4' 1400 13.5 7.6 7.4 19 13.6 2130 13.2 0800 13.4 7.5 7.4 h
20 13.6 2200 13.4 0330 13.5 7.5 7.4 21 13.6 2030 13.4 0700 13.5 7.4 7.3 22 13.7 1830 13.4 0730 13.5 7.5 7.4 23 13.7 0230 12.6 0800 13.4 7.5 7.4 24 13.6 0030 12.5 0930 13.3 7.5.
7.3
[
25 13.5 2230 12.5 1100 13.2 7.4 7.3 l
26 13.5 2000 12.9 0900 13.3 7.4 7.3 27 13.7 2200 13.5 0130 13.6 7.5.
7.4 28 13.6 0130 13.5 2400 13.6 7.5 7.4 29 13.5 0000 13.3 1700-13.4 7.5 7.4 l
30 13.7 2330 13.3 1200 13.4 7.6 7.4 l
31 13.6 0100 13.4 1500 13.5 7.5 7.4 i
l.


t TABLE 4.2-1 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JANUARY 1982 DISSOLVED OXYGEN (MG/L)                       pH Day Maximum   Time       Minimum       Time Mean Maximum     ' Minimum 1                 Pump Inoperative                 Pump Inoperative 2
t TABLE 4.2-1 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JANUARY 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum
' Minimum 1
Pump Inoperative Pump Inoperative 2
3 4
3 4
5 6               Sensor Inoperative                 7.3           7.2 7                                                 7.3           7.1 8                                                 7.3           7.2 1 9                                                 7.3           7.2
5 6
? 10                 Pump Inoperative                 Pump Inoperative 11 12 13                   No Valid Data                 7.2           7.1 14                                                 7.3           7.2 15                                                 7.3           7.1 16   13.9     0600         13.4         2400 13.7 7.2           7.1 17   13.7     0300         13.4         2400 13.6 7.2           7.1 18   13.4     0000         13.1         2400 13.3 7.1           7.0 19   13.3     0300         13.1'         1600 13.2 7.1           7.0 20   13.3     0430         13.1         1500 13.2 7.1           7.0 21   13.3     0330         13.1         1300 13.2 7.1           7.0 22   13.4     0500         13.2         2200 13.3 7.1           6.9 23   13.3     0130         13.2         1930 13.3 7.1           7.0 24   13.4     0000         13.2         2130 13.4 7.0           6.9 25   13.5     0300         13.0         2400 13.3 7.0           6.9 26   13.3     1400         13.1         0000 13.2 7.0           6.9 27   13.3     0500         13.1         2100 13.2 7.0           6.9 28   13.3     0730         12.9         1900 13.1 7.0           6.9 29   13.3     1530         12.9         0100 13.1 7.0           6.9 30   13.1     1630         12.8         0730 13.0 7.0           6.9 31   13.4     0400         13.0         2000 13.2 7.0           6.9
Sensor Inoperative 7.3 7.2 7
7.3 7.1 8
7.3 7.2 1
9 7.3 7.2
?
10 Pump Inoperative Pump Inoperative 11 12 13 No Valid Data 7.2 7.1 14 7.3 7.2 15 7.3 7.1 16 13.9 0600 13.4 2400 13.7 7.2 7.1 17 13.7 0300 13.4 2400 13.6 7.2 7.1 18 13.4 0000 13.1 2400 13.3 7.1 7.0 19 13.3 0300 13.1' 1600 13.2 7.1 7.0 20 13.3 0430 13.1 1500 13.2 7.1 7.0 21 13.3 0330 13.1 1300 13.2 7.1 7.0 22 13.4 0500 13.2 2200 13.3 7.1 6.9 23 13.3 0130 13.2 1930 13.3 7.1 7.0 24 13.4 0000 13.2 2130 13.4 7.0 6.9 25 13.5 0300 13.0 2400 13.3 7.0 6.9 26 13.3 1400 13.1 0000 13.2 7.0 6.9 27 13.3 0500 13.1 2100 13.2 7.0 6.9 28 13.3 0730 12.9 1900 13.1 7.0 6.9 29 13.3 1530 12.9 0100 13.1 7.0 6.9 30 13.1 1630 12.8 0730 13.0 7.0 6.9 31 13.4 0400 13.0 2000 13.2 7.0 6.9


TABLE 4. 2'     .
TABLE 4.
DISSOLVED OXYGEN AND pH DATA VERMONT. YANKEE SAMPLE STATION.NO. 7                                                 ,
2' DISSOLVED OXYGEN AND pH DATA VERMONT. YANKEE SAMPLE STATION.NO. 7 FEBRUARY 1982
FEBRUARY 1982
~.,
                                                                    ~.,
.f
    .f                                                           -r.                                                           f'
-r.
                ~
f'
DISSOLVED OXYGEN (MG/L)                                       pH y       .
~
__ Day Maximum       Time         Minimum       Time ~' Mean   Maximum             Minimum                               ,,-
DISSOLVED OXYGEN (MG/L) pH y
1  13.7         0830           13.3         2000     13.5       7.0                       76.8,1
. __ Day Maximum Time Minimum Time ~'
              ~
Mean Maximum Minimum 1
2   13.5         0230       '- 13.1         2130     13.3       7.0           cL 6'.9?
13.7 0830 13.3 2000 13.5 7.0 76.8,1
* s 3   13.5         2200           13.2         1000     13.3       7.0                         6.9                         ,
~
4   13.6         2200           13.3         1100 /   13.4       6.9                       -6.8 5   13.6         0300           13.4         1400     13.5       6.9                         6.8 6   14.0         2000           13.5         0000     13.7       6.9                         6.8         '
2 13.5 0230
7  14.0         0800           13.7         2300     13.8       7.0                         6~.'8 -
'- 13.1 2130 13.3 7.0 cL 6'.9?
        ,              8   13.9         0730'         13.5.       2400     .13,.7 ,- 7 0 , __.
3 13.5 2200 13.2 1000 13.3 7.0 6.9 s
                                                                                                      ~~
4 13.6 2200 13.3 1100 /
6.8-o               9   13.8         2230           13.4         0600     13.6 '
13.4 6.9
                                                                                        . 6.9                         6.8 Y               10   14.0         2400           13.8         0900     13.9       7. 0.                       6.9 11   14.1         0300'         13.9         1300     14.0       7 . 0 . .,                 6.9 12   14.2         0430           13.7         2400     13.9       7.0-                       6.9 13   13.9         0230           13.7         2400     13.8       7.0                         6.9 14   13.7         0700           13.5         2300     13.6       7.0                         6.9 15   13.6         0000           13.4         1930     13.5       7.0                         6.8 16   13.6         0000           13.4         1600     13.5       6.9                         6.8 17   13.5         0000           13.3         2200     .13.4       6.9                         6.8 18   13.6         2230           13.4         0000     13.5       6.9                         6.8 19   13.8         2300           13.6         1100     13.7       6.9                         6.8 20   13.8         2000           13.6         1200     13.7       6.9                         6.8 21   13.8         0730           13.5         2130     13.7       6.9                         6.8 22   13.7         0400           13.2         2200     13.5       6.9                         6.8 23   13.4         1200           13.2         0000     13.3       7.0                         6.8 24   13.4         0600           13.2         0130     13.3       7.0                         6.9 25   13.3         0230         .13.0         2300     13.2       7.0                         6.9 26   13.2         2100           13.0         0000     13.1       7.0                         6.9 27   13.2         1730           13.0         2200     13.1       7.0                         6.9 28   13.2         0600           13.0         1900     13.1       7.0                         6.9
-6.8 5
13.6 0300 13.4 1400 13.5 6.9 6.8 6
14.0 2000 13.5 0000 13.7 6.9 6.8 7
14.0 0800 13.7 2300 13.8 7.0 6~.'8 -
8 13.9 0730' 13.5.
2400
.13,.7
,- 7 0, __.
6.8-6.8 o
9 13.8 2230 13.4 0600 13.6
. 6.9
~~
Y 10 14.0 2400 13.8 0900 13.9
: 7. 0.
6.9 11 14.1 0300' 13.9 1300 14.0 7. 0..,
6.9 12 14.2 0430 13.7 2400 13.9 7.0-6.9 13 13.9 0230 13.7 2400 13.8 7.0 6.9 14 13.7 0700 13.5 2300 13.6 7.0 6.9 15 13.6 0000 13.4 1930 13.5 7.0 6.8 16 13.6 0000 13.4 1600 13.5 6.9 6.8 17 13.5 0000 13.3 2200
.13.4 6.9 6.8 18 13.6 2230 13.4 0000 13.5 6.9 6.8 19 13.8 2300 13.6 1100 13.7 6.9 6.8 20 13.8 2000 13.6 1200 13.7 6.9 6.8 21 13.8 0730 13.5 2130 13.7 6.9 6.8 22 13.7 0400 13.2 2200 13.5 6.9 6.8 23 13.4 1200 13.2 0000 13.3 7.0 6.8 24 13.4 0600 13.2 0130 13.3 7.0 6.9 25 13.3 0230
.13.0 2300 13.2 7.0 6.9 26 13.2 2100 13.0 0000 13.1 7.0 6.9 27 13.2 1730 13.0 2200 13.1 7.0 6.9 28 13.2 0600 13.0 1900 13.1 7.0 6.9


TABLE 4.2-3 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 MARCH 1982 DISSOLVED OXYGEN (MG/L)                       pil Day Maximum     Time     Minimum     Time   Mean   Maximum     Minimum l   1   13.1       0400     12.9       1000   13.0   7.0         6.9 2   13.3       1900     13.1       1000   13.2   6.9         6.9 3   13.4       0430     13.2       1430   13.3   7.0         6.9 4   13.5       1600     13.2       0900   13.4   7.1         6.9 5   13.7       1400     13.4       0430   13.6   7.0         6.9 6   13.7       2330     13.5       0500   13.6   7.1         6.9 7   14.1       2300     13.7       0100   13.9   7.0         6.9 4 8   14.1       0400     13.5       2130   13.8   7.0         6.9 v 9   13.6       0600     13.3       2130   13.5   7.0         6.9 10   13.7       1930     13.4       0100   13.6   7.1         6.9 11   13.9       1700     13.5       0600   13.7   7.0         6.9 12   13.9       0230     13.7       2400   13.8   7.0         6.9 13   13.8       1530     13.6       0830   13.7   7.0         6.8 14   13.7       0200     13.3       2300   13.5   6.9         6.7 15   13.6       2230     13.2       0600   13.4   7.0         6.7 16   14.0       2400     13.5       0400   13.7   7.0         6.9 17   14.1       0800     13.6       2400   13.9   7.0         6.9 18   13.6       0000     13.2       2400   13.4   6.9         6.B 19   13.7       2400     13.3       0100   13.5   6.9         6.8 20   13.7       2330     13.6       0600   13.7   7.0         6.9 21   13.9       2400     13.7       0000   13.8   7.0         6.9 22   14.0       0600     13.7       2400   13.8   7.0         6.9 23   13.7       0000     13.3       2300   13.5   7.0         6.9 24   13.4       0700     13.2       2200   13.3   7.0         6.9 25   13.6       0530     13.2       2130   13.4   7.0         6.9 26   13.7       2400     13.1       0130   13.3   7.0         6.8 27   14.3       1200     13.7       0000   14.0   7.1         6.9 28   14.3       1300     14.0       0100   14.2   7.1         7.0 29   14.3       1500     14.1       0130   14.2   7.1         7.0 30   14.3       1600     14.0       2400   14.2   7.2         7.0 31   14.5       2330     13.9       0330   14.2   7.2         7.0
TABLE 4.2-3 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 MARCH 1982 DISSOLVED OXYGEN (MG/L) pil Day Maximum Time Minimum Time Mean Maximum Minimum l
1 13.1 0400 12.9 1000 13.0 7.0 6.9 2
13.3 1900 13.1 1000 13.2 6.9 6.9 3
13.4 0430 13.2 1430 13.3 7.0 6.9 4
13.5 1600 13.2 0900 13.4 7.1 6.9 5
13.7 1400 13.4 0430 13.6 7.0 6.9 6
13.7 2330 13.5 0500 13.6 7.1 6.9 7
14.1 2300 13.7 0100 13.9 7.0 6.9 4
8 14.1 0400 13.5 2130 13.8 7.0 6.9 v
9 13.6 0600 13.3 2130 13.5 7.0 6.9 10 13.7 1930 13.4 0100 13.6 7.1 6.9 11 13.9 1700 13.5 0600 13.7 7.0 6.9 12 13.9 0230 13.7 2400 13.8 7.0 6.9 13 13.8 1530 13.6 0830 13.7 7.0 6.8 14 13.7 0200 13.3 2300 13.5 6.9 6.7 15 13.6 2230 13.2 0600 13.4 7.0 6.7 16 14.0 2400 13.5 0400 13.7 7.0 6.9 17 14.1 0800 13.6 2400 13.9 7.0 6.9 18 13.6 0000 13.2 2400 13.4 6.9 6.B 19 13.7 2400 13.3 0100 13.5 6.9 6.8 20 13.7 2330 13.6 0600 13.7 7.0 6.9 21 13.9 2400 13.7 0000 13.8 7.0 6.9 22 14.0 0600 13.7 2400 13.8 7.0 6.9 23 13.7 0000 13.3 2300 13.5 7.0 6.9 24 13.4 0700 13.2 2200 13.3 7.0 6.9 25 13.6 0530 13.2 2130 13.4 7.0 6.9 26 13.7 2400 13.1 0130 13.3 7.0 6.8 27 14.3 1200 13.7 0000 14.0 7.1 6.9 28 14.3 1300 14.0 0100 14.2 7.1 7.0 29 14.3 1500 14.1 0130 14.2 7.1 7.0 30 14.3 1600 14.0 2400 14.2 7.2 7.0 31 14.5 2330 13.9 0330 14.2 7.2 7.0


TABLE 4.2-4 DISSOLVED OXYGEN AND.pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 APRIL 1982 DISSOLVED OXYGEN (MG/L)                                                                               pH Day Maximum           Time       Minimum           Time                 Mean                       Maximum               Minimum 1   14.9             2400         14.6           0100                 14.8                         7.2                   7.0 2   14.9             -
TABLE 4.2-4 DISSOLVED OXYGEN AND.pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 APRIL 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
14.9             -                  -14,9                         7.1'                 '6.9 3   14.9             1230         14.7           2000                 14.8                         7.0                   6.9 4   14.9             0200         14.4           1900                 14.7                         7.0                   6.9
14.9 2400 14.6 0100 14.8 7.2 7.0 2
:    5  14.7             1630         14.5           0100                 14.6                         7.1                   6.9
14.9 14.9
!    6  14.6             0130         14.2           2100                 14.4                         7.1                   7.0 7   14.4             2400         14.2             0500                 14.3                         7.2 1
-14,9 7.1'
7.0 8                           No Valid Data                                                           -7.1                   7.0
'6.9 3
' 1  9   14.3           1530         14.0           1000                 14.2                           7.2                   7.0 w 10   14.2           0000
14.9 1230 14.7 2000 14.8 7.0 6.9 4
  '                                    13.8           2400                 14.0                           7.2                   7.0 11   13.8           0000         13.5           2400           -
14.9 0200 14.4 1900 14.7 7.0 6.9 5
13.7                           7.1                   7.0 12   13.5           0000                         2400                 13.4 13 13.3                                                                7.1                 7.0 13.5           2030         13.2           0900                 13.4                           7.1                 7.0 14   13.5           0230         13.3           2400                 13.4                           7.2                 7.0       '
14.7 1630 14.5 0100 14.6 7.1 6.9 6
15   13.5           1500         13.1           2400                 13.3                           7.2                 7.0 16   13.4           1530         13.1-           0500                 13.3                           7.2                 7.1 17                           HNo Valid Data                                                           7.2                   7.0 18                             "  "      "
14.6 0130 14.2 2100 14.4 7.1 7.0 1
7.2                   6.9 19                             "  "      "
7 14.4 2400 14.2 0500 14.3 7.2 7.0 8
7.1                   6.9 20                             "  "      "
No Valid Data
7.0                   6.9 21                             "  "      "
-7.1 7.0 1
7.0                   6.9 22   14.8           2400         14.3           0100                 14.5                         7.0                   6.8 23                           No Valid Data                                                             7.0                   6.9 24   14.9             1030         14.6           1800                 14.7                         7.0                   6.8 25   14.9             0800         14.2           1830                 14.6                         7.0                   6.9 26   14.4             0400         13.7           2330                 14.0                         . 7. 0                 6.9 27   13.7             0000         13.4           2400.                 13.6                         7.0                   6.9 28   13.7             1130         13.4           2400                 13.5                         6.9                   6.7 29   13.3             0100         13.0           1830                 13.1                         6.9-                 6.7 30   13.2             1530         12.9           0200                 13.1                         6.9                   6.8
9 14.3 1530 14.0 1000 14.2 7.2 7.0 w
10 14.2 0000 13.8 2400 14.0 7.2 7.0 11 13.8 0000 13.5 2400 13.7 7.1 7.0 12 13.5 0000 13.3 2400 13.4 7.1 7.0 13 13.5 2030 13.2 0900 13.4 7.1 7.0 14 13.5 0230 13.3 2400 13.4 7.2 7.0 15 13.5 1500 13.1 2400 13.3 7.2 7.0 16 13.4 1530 13.1-0500 13.3 7.2 7.1 17 HNo Valid Data 7.2 7.0 18 7.2 6.9 19 7.1 6.9 20 7.0 6.9 21 7.0 6.9 22 14.8 2400 14.3 0100 14.5 7.0 6.8 23 No Valid Data 7.0 6.9 24 14.9 1030 14.6 1800 14.7 7.0 6.8 25 14.9 0800 14.2 1830 14.6 7.0 6.9 26 14.4 0400 13.7 2330 14.0
. 7. 0 6.9 27 13.7 0000 13.4 2400.
13.6 7.0 6.9 28 13.7 1130 13.4 2400 13.5 6.9 6.7 29 13.3 0100 13.0 1830 13.1 6.9-6.7 30 13.2 1530 12.9 0200 13.1 6.9 6.8


TABLE 4.2-5 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 MAY 1982 l
TABLE 4.2-5 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 MAY 1982 l
DISSOLVED OXYGEN (MG/L)                       pH Day Maximum   Time     Minimum       Time   Mean   Maximum   Minimum 1   13.0     1000       12.4       2400   12.7     7.0       6.9 i
DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
2    12.4     0000       11.8       2330   12.1     7.0       6.9 3   12.0     0930       11.7       2400   11.8     7.0       6.9 l     4   11.7     0000       11.5       1830   11.6     7.1       6.9 l     5   11.6     0730       11.4       2230   11.5     7.1       6.9 l
13.0 1000 12.4 2400 12.7 7.0 6.9 2
6   11.6     1030       10.9       2400   11.3     7.1       6.9 7   10.9     0000       10.6       2400   10.8     7.0       6.9 1     8   10.6     0100       10.4       2130   10.5     7.1       7.0 9   10.6     0400       10.3       2400   10.4     7.1       7.0 1 10   10.5     0530       10.3       1300   10.4     7.1       7.0
12.4 0000 11.8 2330 12.1 7.0 6.9 i
    ^
3 12.0 0930 11.7 2400 11.8 7.0 6.9 l
11   10.6     0200       10.4       1300   10.5     7.1       7.0 12   10.7     1730       10.5       0330   10.6     7.1       7.0 13   10.7     0330       10.4       1600   10.5     7.1       7.0 14   10.5     1300       10.1       2300   10.3     7.1       7.0 15   10.1     1300         9.7       2400   9.9     7.1       6.9 16   10.0     2300         9.6       0630   9.8     7.1       7.0 17   10.2     2330         9.6       0500   9.9     7.2       7.0 18   10.2     0000         9.7       1500   9.9     7.3       7.0 19     9.9     0130         9.6       2400   9.7     7.3       7.1 20     9.9     2030         9.5       0900   9.7     7.4       7.2 21     9.7     0000         9.2       0800   9.4     7.5       7.2 22     9.5     0030         9.2       2400   9.3     7.4       7.2 23     9.2     0000         9.0       2300   9.1     7.4       7.3 24     9.4     2100         9.0       0130   9.2     7.3       7.2 25     9.8     1930         9.3       0100   9.5     7.3       7.2 26   10.0     1630         9.5       0400   9.7     7.3       7.2 27   10.0     1800         9.7       2300   9.8     7.3       7.2 28   10.0     2030         9.5       0700   9.7     7.4       7.3 29   10.1     2230         9.6       1600   9.8     7.4       7.2 30   10.6     1630       10.0       0000   10.3     7.4     7.2 31   10.4     0000       9.9       1700   10.2     7.3       7.2
4 11.7 0000 11.5 1830 11.6 7.1 6.9 l
5 11.6 0730 11.4 2230 11.5 7.1 6.9 l
6 11.6 1030 10.9 2400 11.3 7.1 6.9 7
10.9 0000 10.6 2400 10.8 7.0 6.9 1
8 10.6 0100 10.4 2130 10.5 7.1 7.0 9
10.6 0400 10.3 2400 10.4 7.1 7.0 1
10 10.5 0530 10.3 1300 10.4 7.1 7.0
^
11 10.6 0200 10.4 1300 10.5 7.1 7.0 12 10.7 1730 10.5 0330 10.6 7.1 7.0 13 10.7 0330 10.4 1600 10.5 7.1 7.0 14 10.5 1300 10.1 2300 10.3 7.1 7.0 15 10.1 1300 9.7 2400 9.9 7.1 6.9 16 10.0 2300 9.6 0630 9.8 7.1 7.0 17 10.2 2330 9.6 0500 9.9 7.2 7.0 18 10.2 0000 9.7 1500 9.9 7.3 7.0 19 9.9 0130 9.6 2400 9.7 7.3 7.1 20 9.9 2030 9.5 0900 9.7 7.4 7.2 21 9.7 0000 9.2 0800 9.4 7.5 7.2 22 9.5 0030 9.2 2400 9.3 7.4 7.2 23 9.2 0000 9.0 2300 9.1 7.4 7.3 24 9.4 2100 9.0 0130 9.2 7.3 7.2 25 9.8 1930 9.3 0100 9.5 7.3 7.2 26 10.0 1630 9.5 0400 9.7 7.3 7.2 27 10.0 1800 9.7 2300 9.8 7.3 7.2 28 10.0 2030 9.5 0700 9.7 7.4 7.3 29 10.1 2230 9.6 1600 9.8 7.4 7.2 30 10.6 1630 10.0 0000 10.3 7.4 7.2 31 10.4 0000 9.9 1700 10.2 7.3 7.2


TABLE 4.2-6 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JUNE'1982-DISSOLVED OXYGEN (MG/L)                                         pH Day   Maximum       Time       Minimum           Time     Mean       Maximum             Minimum 1       10.0       0230       19.5             1130     9.8               7.4           7.2
TABLE 4.2-6 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JUNE'1982-DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
,    2          9.9     2000         9.6             1130     9.7               7.4           7.2 3         9.6     0030         9.0             1200     9.3               7.4           7.2 4 1       9.4     1800         9.0             2400     9.2               7.6           7.3 5         9.0     0000         8.8             2200     8l . 9           7.4           7.3 6         9.0     0130         8.7             2200     8.9               7.4           7.l'
10.0 0230 19.5 1130 9.8 7.4 7.2 2
!    7          8.9     0000         8.6             2400     8.8               7.2           7.1 i     8         8.8. 0730         8.5             1500     8.7               7.1           ,.0 t  E 9         8.8     0100         8.6             2300     8.7               7.1           7.0 y 10         8.9     1900         8.6             0800     8.8               7.1           -7. 0 11         8.9     1830         8.4             1000     8.7               7.1           7.0 i   12         8.7     '500
9.9 2000 9.6 1130 9.7 7.4 7.2 3
                          .          8.5             0430     8.6               7.2           7.0-
9.6 0030 9.0 1200 9.3 7.4 7.2 4
{   13         8.8     1400         8.3             1230     8.5               7.1           7.0 14         9.2     2000         8.5             0000     8.8               7.2           7.0     '
1 9.4 1800 9.0 2400 9.2 7.6 7.3 5
15         9.3     2130         8.7       -
9.0 0000 8.8 2200 8l. 9 7.4 7.3 6
0700     9.0               7.2           7.0 16         9.4     2200         9.0             1400     9.2               7.3           7.2 17         9.3     2230         9.0             1200     9.1               7.3           7.2
9.0 0130 8.7 2200 8.9 7.4 7.l' 7
;    18         9.2     0100         8.8             1100     9.0               7.3           7.1     ,
8.9 0000 8.6 2400 8.8 7.2 7.1 i
19         9.2     2000         8.6             1030     8.9               7.3           7.1 20         9.1     0130         8.9-           2230     9.0               7.4           7.2 21         9.2     1900         8.8             1030     9.0               7.4           7.1 22         9.2     2400         8.8             1500     9.0               7.5           7.2 23         9.2     0000         9.0             1630     9.1               7.4           7.3 24         9.2     0000         l8 . 5         1200     8.8               7.4           7.2 25         9.5     2030         8.5             0730     9.0               7.6           7.2 26         9.3     0000         8.7           -1000     9.0             _7.5             7.3 27         9.3     2300         8.4             1100     8.8               7.6           7.2 28         9.4     2400         9.1             0400     9.2               7.5           7.4 29         9.5     0300         9.1             2400     9.3               7.5             7.3 30         9.1     0000         8.8             1800     8.9               7.4           7.1
8 8.8.
0730 8.5 1500 8.7 7.1
,.0 E
9 8.8 0100 8.6 2300 8.7 7.1 7.0 t
y 10 8.9 1900 8.6 0800 8.8 7.1
-7. 0 11 8.9 1830 8.4 1000 8.7 7.1 7.0 i
12 8.7
'500 8.5 0430 8.6 7.2 7.0-
{
13 8.8 1400 8.3 1230 8.5 7.1 7.0 14 9.2 2000 8.5 0000 8.8 7.2 7.0 15 9.3 2130 8.7 0700 9.0 7.2 7.0 16 9.4 2200 9.0 1400 9.2 7.3 7.2 17 9.3 2230 9.0 1200 9.1 7.3 7.2 18 9.2 0100 8.8 1100 9.0 7.3 7.1 19 9.2 2000 8.6 1030 8.9 7.3 7.1 20 9.1 0130 8.9-2230 9.0 7.4 7.2 21 9.2 1900 8.8 1030 9.0 7.4 7.1 22 9.2 2400 8.8 1500 9.0 7.5 7.2 23 9.2 0000 9.0 1630 9.1 7.4 7.3 24 9.2 0000 l8. 5 1200 8.8 7.4 7.2 25 9.5 2030 8.5 0730 9.0 7.6 7.2 26 9.3 0000 8.7
-1000 9.0
_7.5 7.3 27 9.3 2300 8.4 1100 8.8 7.6 7.2 28 9.4 2400 9.1 0400 9.2 7.5 7.4 29 9.5 0300 9.1 2400 9.3 7.5 7.3 30 9.1 0000 8.8 1800 8.9 7.4 7.1


O TABLE 4.2-7 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JULY 1982 DISSOLVED OXYGEN (MG/L)                         pli Day Maximum     Time         Minimum       Time Mean Maximum     Minimum 1       8.9   0600           8.4         2400   8.6   7.2       7.1 2       8.8   2200           8.2         0800   8.5   7.3       7.1 3       9.3   1500           8.7         0000   9.0   7.4       7.2 4       9.2   1830           8.8         0900   9.0   7.4       7.2 5       8.9   0030           8.1         1330   8.4   7.3       7.1 6       8.5   2400           7.8         1030   8.2   7.4       7.1 7       9.3   1930           8.3         0700   8.8   7.6       7.2 8       9.5   1300           9.0         0400   9.3   7.8       7.5   -
O TABLE 4.2-7 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JULY 1982 DISSOLVED OXYGEN (MG/L) pli Day Maximum Time Minimum Time Mean Maximum Minimum 1
9        9.6   1700           9.1         0530   9.3   7.9       7.5 1 10       9.6   1530           9.1         2400   9.3   8.0       7.6 f 11       9.2   1600           8.8         1030   9.0   7.8       7.5 12       8.9   0030           8.2         2330   8.5   7.6       7.3 13       8.4   0430           7.8         1200   8.1   7.4       7.2 14       8.1   0100           7.6         1430   7.9   7.3       7.1 15       8.1   0130           7.4         1130   7.7   7.3       7.1 16       8.2   1800           7.6         1130   7.9   7.4       7.1 17       8.0   0900           7.3         2400   7.7   7.3       7.1 18       7.3   0100           6.7         2400   7.0   7.1       7.0 19                       No Valid Data                 7.2       7.0 20       6.7   1200           6.5         0230   6.6   7.1       7.0 21       7.4   1730           6.4         0900   6.9   7.4       7.0 22       7.4   1630           6.4         0830   6.9   7.4       7.1 23       7.3   0000           6.3         1600   6.8   7.4       7.1 24       7.0   0000           6.4         1800   6.7   7.3       7.1 25                       No Valid Data                 7.2       7.1 26                         "            "
8.9 0600 8.4 2400 8.6 7.2 7.1 2
7.2       7.0 a     "
8.8 2200 8.2 0800 8.5 7.3 7.1 3
27                                     "
9.3 1500 8.7 0000 9.0 7.4 7.2 4
7.1       7.0 28                         "            "
9.2 1830 8.8 0900 9.0 7.4 7.2 5
7.0       6.9 29       6.8   2000           6.3         1000   6.5   7.2       7.0 30                       No Valid Data                 7.1       7.0 31                             "      "
8.9 0030 8.1 1330 8.4 7.3 7.1 6
7.2       6.9
8.5 2400 7.8 1030 8.2 7.4 7.1 7
9.3 1930 8.3 0700 8.8 7.6 7.2 8
9.5 1300 9.0 0400 9.3 7.8 7.5 9
9.6 1700 9.1 0530 9.3 7.9 7.5 1
10 9.6 1530 9.1 2400 9.3 8.0 7.6 f
11 9.2 1600 8.8 1030 9.0 7.8 7.5 12 8.9 0030 8.2 2330 8.5 7.6 7.3 13 8.4 0430 7.8 1200 8.1 7.4 7.2 14 8.1 0100 7.6 1430 7.9 7.3 7.1 15 8.1 0130 7.4 1130 7.7 7.3 7.1 16 8.2 1800 7.6 1130 7.9 7.4 7.1 17 8.0 0900 7.3 2400 7.7 7.3 7.1 18 7.3 0100 6.7 2400 7.0 7.1 7.0 19 No Valid Data 7.2 7.0 20 6.7 1200 6.5 0230 6.6 7.1 7.0 21 7.4 1730 6.4 0900 6.9 7.4 7.0 22 7.4 1630 6.4 0830 6.9 7.4 7.1 23 7.3 0000 6.3 1600 6.8 7.4 7.1 24 7.0 0000 6.4 1800 6.7 7.3 7.1 25 No Valid Data 7.2 7.1 26 7.2 7.0 a
27 7.1 7.0 28 7.0 6.9 29 6.8 2000 6.3 1000 6.5 7.2 7.0 30 No Valid Data 7.1 7.0 31 7.2 6.9


TABLE 4.2-8 DISSOLVED-OXYGEN.AND pH DATA VERMONT. YANKEE SAMPLE STATION NO.! 7 AUGUST-1982 DISSOLVED OXYGEN (MG/L)                             pH Day   Maximum   Time     Minimum       Time Mean     ' Maximum     Minimum   j 1       7.3     0000         7.0         2400   7.2         7.2       7.0 2       7.5     1530         7.0         1000   7.2         7.2       7.0 3       7.2     0000         6.6         1300   6.9         7.2       7.0'     1 4       7.6     2400 -
TABLE 4.2-8 DISSOLVED-OXYGEN.AND pH DATA VERMONT. YANKEE SAMPLE STATION NO.! 7 AUGUST-1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean
6.6         1330   7.2         7.2       7.1 5       7.7     1330         7.1         2400   7.3         7.4       7.1 6       7.1     0000         6.8         1300   7.0         7.3       7.2 7                     No Valid Data                         7.3       7.2 8       7.0     1700         6.8         0130   6.9         7.3       7.2
' Maximum Minimum j
, i    9       7.2     0330         6.6         1230   6.9         7.3       7.2 l $l   10       6.9     0100         6.7         2400   6.8.       7.3       7.2 I   11                     No Valid Data                         7.3       7.1
1 7.3 0000 7.0 2400 7.2 7.2 7.0 2
                                "    "      "                      7.2       7.0 12 7.2       7.0 13
7.5 1530 7.0 1000 7.2 7.2 7.0 3
                                "    "      "                      7.1       7.0 14
7.2 0000 6.6 1300 6.9 7.2 7.0' 1
                                                                  . 7 .1     7.0 15                                                                              1
4 7.6 2400 6.6 1330 7.2 7.2 7.1 5
                                "    "      "                      7.2       7.0 16
7.7 1330 7.1 2400 7.3 7.4 7.1 6
                                "    "-      "                      7.2       7.1 17
7.1 0000 6.8 1300 7.0 7.3 7.2 7
                                "    "      "                                7.1 18                                                           7.2
No Valid Data 7.3 7.2 8
                                "    "      "                                7.1 19                                                           7.3 20       7.3     2100         6.7         0000   7.0         7.2       7.1 21                     No Valid Data                         7.3       7 .1 L 22       7.1     0300         6.9         0300   7.0         7.2       7.0 23       7.2     2100         6.7         0500   7.0         7.3       7.1 24       7.6     1630         7.0         0730   7.3         7.5       7.2 25                     No Valid Data                         7.5       7.4 26       7.5     1600         7.2         1100   7.3         7.5       7.4 27       7.2     0000         7.0         1000   7.1         7.5       7.3 28       7.4     2400       16 . 9       1630   7.1         7.4       7.3 29       7.7     2130         7.1         0900   7.3         7.5       7.3 30       7.6     2230         7.2         1030   7.4         7.5       7.2 31       8.1     2300         '2.        1000   7.5         7.7       7.3
7.0 1700 6.8 0130 6.9 7.3 7.2 i
9 7.2 0330 6.6 1230 6.9 7.3 7.2 l
$l 10 6.9 0100 6.7 2400 6.8.
7.3 7.2 I
11 No Valid Data 7.3 7.1 7.2 7.0 12 7.2 7.0 13 7.1 7.0 14
. 7.1 7.0 1
15 7.2 7.0 16 7.2 7.1 17 7.2 7.1 18 7.3 7.1 19 20 7.3 2100 6.7 0000 7.0 7.2 7.1 21 No Valid Data 7.3 7.1 L 22 7.1 0300 6.9 0300 7.0 7.2 7.0 23 7.2 2100 6.7 0500 7.0 7.3 7.1 24 7.6 1630 7.0 0730 7.3 7.5 7.2 25 No Valid Data 7.5 7.4 26 7.5 1600 7.2 1100 7.3 7.5 7.4 27 7.2 0000 7.0 1000 7.1 7.5 7.3 28 7.4 2400 16. 9 1630 7.1 7.4 7.3 29 7.7 2130 7.1 0900 7.3 7.5 7.3 30 7.6 2230 7.2 1030 7.4 7.5 7.2 31 8.1 2300
'2 1000 7.5 7.7 7.3


TABLE 4.2-9 1
TABLE 4.2-9 1
DISSOLVED OXYGEN AND pH DATA                         i VERMONT YANKEE SAMPLE STATION NO. 7                     l l                             SEPTEMBER 1982 DISSOLVED OXYGEN (MG/L)                         pH Day Maximum   Time     Minimum       Time   Mean   Maximum   Minimum 1   8.2     2400       8.0       0130   6.3     7.6       7.4 2   8.3     1500       8.0       0900   8.2     7.5       7.4 l     3                   No Valid Data                   7.6       7.4 4   8.3     2130       8.1       1000   8.2     7.5       7.4 l     5   8.2     0000       7.7       1930   7.9     7.4       7.3 l
DISSOLVED OXYGEN AND pH DATA i
6  8.3     1830       7.9       0000   8.1     7.4       7.3 7   8.7     1830       8.0       0100   8.3     7.6       7.4 8   8.7     0130       8.3       1730   8.5     7.6       7.5 E   9   8.7     1730       8.4       0000   8.5     7.6       7.4 y 10   8.7     1930       8.4       1100   8.5     7.5       7.4 11   8.7     0130       8.4       2400   8.6     7.5       7.3 12                   No Valid Data                   7.4       7.2
VERMONT YANKEE SAMPLE STATION NO. 7 l
                          "    "      "                            7.2 13                                                    7.6 14   9.1     2030       8.6       1030   8.8     7.6       7.4 15   .9.4     0600       9.0       2200   9.2     7.5       7.3 16   9.3     1400       8.9       0900   9.1     7.4       7.3 17   9.0     0000       8.2       0930   8.6     7.4       7.2 18                   No Valid Data                   7.3       7.2 19   8.2     2330       7.8       0830   8.0     7.2       7.1 20   8.5     2100       7.9       0730   8.2     7.3       7.0 21   8.2     0000       7.8       1700   8.0     7.2       7.0 22   8.3     2100       7.9       1800   8.1     7.1       7.0 23   8.3     2000       7.9       0830   8.1     7.1       7.0 24   8.3     0000       7.8       1200   8.0     7.1       7.0 25   8.7     1230       8.1       2400   8.4     7.2       7.1 26   8.6     0730       8.1       1400   8.4     7.2       7.1 27   8.8     2230       8.3       0000   8.5     7.3       7.1 28   8.7     2300       8.3       1300   8.5     7.4       7.3 29   8.7     1600       8.4       0600   8.5     7.4       7.3 30   B.5     2030       8.1       1130   8.3     7.4       7.3
l SEPTEMBER 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
8.2 2400 8.0 0130 6.3 7.6 7.4 2
8.3 1500 8.0 0900 8.2 7.5 7.4 l
3 No Valid Data 7.6 7.4 4
8.3 2130 8.1 1000 8.2 7.5 7.4 l
5 8.2 0000 7.7 1930 7.9 7.4 7.3 6
8.3 1830 7.9 0000 8.1 7.4 7.3 l
7 8.7 1830 8.0 0100 8.3 7.6 7.4 8
8.7 0130 8.3 1730 8.5 7.6 7.5 E
9 8.7 1730 8.4 0000 8.5 7.6 7.4 y
10 8.7 1930 8.4 1100 8.5 7.5 7.4 11 8.7 0130 8.4 2400 8.6 7.5 7.3 12 No Valid Data 7.4 7.2 13 7.6 7.2 14 9.1 2030 8.6 1030 8.8 7.6 7.4 15
.9.4 0600 9.0 2200 9.2 7.5 7.3 16 9.3 1400 8.9 0900 9.1 7.4 7.3 17 9.0 0000 8.2 0930 8.6 7.4 7.2 18 No Valid Data 7.3 7.2 19 8.2 2330 7.8 0830 8.0 7.2 7.1 20 8.5 2100 7.9 0730 8.2 7.3 7.0 21 8.2 0000 7.8 1700 8.0 7.2 7.0 22 8.3 2100 7.9 1800 8.1 7.1 7.0 23 8.3 2000 7.9 0830 8.1 7.1 7.0 24 8.3 0000 7.8 1200 8.0 7.1 7.0 25 8.7 1230 8.1 2400 8.4 7.2 7.1 26 8.6 0730 8.1 1400 8.4 7.2 7.1 27 8.8 2230 8.3 0000 8.5 7.3 7.1 28 8.7 2300 8.3 1300 8.5 7.4 7.3 29 8.7 1600 8.4 0600 8.5 7.4 7.3 30 B.5 2030 8.1 1130 8.3 7.4 7.3


TABLE 4.2-10 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 i
TABLE 4.2-10 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 OCTOBER 1982 i
OCTOBER 1982 DISSOLVED OXYGEN (MG/L)                           pH Day Maximum   Time     Minimum       Time   Mean   Maximum     Minimum 1     8.6     1630       8.1       0900   8.3     7.4           7.3 2     8.8     2100       8.4         0800   8.6     7.5           7.3 3     8.8     2400       8.6       0300   8.7     7.5           7.3 4     9.3     1500       8.7       0830   9.0     No Valid Data 5     9.1     1830       8.8       0630   8.9     "    "    "
DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
6    9.3     1800       9.0       1000   9.1     7.7           7.5
8.6 1630 8.1 0900 8.3 7.4 7.3 2
. 7    9.4     1230       9.0       0700   9.2     7.7           7.5 8     9.6     0100       9.2       1130   9.4     7.7           7.5 E 9     9.1     0000       8.8       2400   9.0     7.5           7.4 y 10     9.1     1100       8.7       1830   8.9     7.5           7.4
8.8 2100 8.4 0800 8.6 7.5 7.3 3
;    11     9.3     0100       9.0       1830   9.1     7.5           7.4 12     9.5     2200       8.9         0730   9.2     7.5           7.4 13     9.7     2330       9.3         0730   9.5     7.5           7.4
8.8 2400 8.6 0300 8.7 7.5 7.3 4
. 14     9.8     1900       9.3       1300   9.5     7.5           7.4
9.3 1500 8.7 0830 9.0 No Valid Data 5
;    15     9.7     1000       9.3       2400   9.5     7.5           7.3
9.1 1830 8.8 0630 8.9 6
,    16     9.3     0200       9.0       2400   9.2     7.4           7.3 17   ' 9. 0   1030       8.8       0430   8.9     7.4           7.3 18     9.5     2030       8.9       0430   9.2     7.4           7.3 19     9.8     2030       9.3       1000   9.5     7.4           7.3 20     9.9     2130       9.6       1200   9.7     7.4           7.3 21   10.0     1730       9.7       0700   9.9     7.5           7.3 22   10.0     2000       9.7       0930   9.8     7.4           7.3 23     9.9     0000       9.7       0800   9.8     7.4           7.3 24   10.1     2330       9.7       0830   9.9     7.5           7.3 25   10.2     2330       8.9       0700   10.0   7.4           7.3 26   10.5     2100       10.2       0100   10.3   7.5           7.4 27   10.5     1230       10.3       1830   10.4   7.5           7.3 28   10.5     1300       10.2       0700   10.3   7.4           7.3 29   10.6     0430       10.2       1030   10.4   7.4-         7.3 30   10.5     1900       10.3       1100   10.4   7.4           7.3 31   10.4     1600       10.2       2400   10.3   7.4           7.2
9.3 1800 9.0 1000 9.1 7.7 7.5 7
9.4 1230 9.0 0700 9.2 7.7 7.5 8
9.6 0100 9.2 1130 9.4 7.7 7.5 E
9 9.1 0000 8.8 2400 9.0 7.5 7.4 y
10 9.1 1100 8.7 1830 8.9 7.5 7.4 11 9.3 0100 9.0 1830 9.1 7.5 7.4 12 9.5 2200 8.9 0730 9.2 7.5 7.4 13 9.7 2330 9.3 0730 9.5 7.5 7.4 14 9.8 1900 9.3 1300 9.5 7.5 7.4 15 9.7 1000 9.3 2400 9.5 7.5 7.3 16 9.3 0200 9.0 2400 9.2 7.4 7.3 17
' 9. 0 1030 8.8 0430 8.9 7.4 7.3 18 9.5 2030 8.9 0430 9.2 7.4 7.3 19 9.8 2030 9.3 1000 9.5 7.4 7.3 20 9.9 2130 9.6 1200 9.7 7.4 7.3 21 10.0 1730 9.7 0700 9.9 7.5 7.3 22 10.0 2000 9.7 0930 9.8 7.4 7.3 23 9.9 0000 9.7 0800 9.8 7.4 7.3 24 10.1 2330 9.7 0830 9.9 7.5 7.3 25 10.2 2330 8.9 0700 10.0 7.4 7.3 26 10.5 2100 10.2 0100 10.3 7.5 7.4 27 10.5 1230 10.3 1830 10.4 7.5 7.3 28 10.5 1300 10.2 0700 10.3 7.4 7.3 29 10.6 0430 10.2 1030 10.4 7.4-7.3 30 10.5 1900 10.3 1100 10.4 7.4 7.3 31 10.4 1600 10.2 2400 10.3 7.4 7.2


TABLE 4.2-11 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 NOVEMBER 1982 DISSOLVED' OXYGEN (MG/L)                       pH Day Maximum   Time     Minimum     Time   Mean   Maximum   Minimum 1 10.4     2030     10.2         0000   10.3     7.4       7.2 2 10.7     2300     10.3         0530   10.5     7.5       7.3 3 11.2     2230     10.4         1030   10.7     7.5       7.4 4 11.1     0300     10.5         2100   10.8     7.5       7.4 5 10.7     0400       9.6         2400   10.4     7.5       7.3 6   9.9     0130       9.6         2400   9.7     7.4       7.3 7 10.0     2400       9.5       0700   9.7     7.3       7.1 1   8 10.6     1300     10.0         0000   10.3     7.3       7.1 o   9 10.5     0000     10.1         2330   10.3     7.2       7.1 10   10.2     0300       9.9       1730   10.1     7.2       7.0 11   10.3     2130     10.0         0600   10.2     7.1       7.0 12   10.7     1930     10.1         0900   10.4     7.2       7.1 13   10.8     0530     10.5         1800   10.6     7.1       7.0 14   11.2     2200     10.8         0500   11.0     7.1       6.9 15   11.2     1930     10.9         0800   11.1     7.1       7.0 16   11.2     0300     10.9         1600   11.0     7.1       7.0 17   11.2     2400     11.0         0430   11.1     7.1       7.0 18   11.5     1600     11.2         0000   11.3     7.1       7.0 19 11.7     1600     11.3         0730   11.5     7.1       7.0 20   11.6     1000     11.3         1700   11.5     7.1       7.0 21 11.6     0700     11.3         1730   11.5     7.1       7.0 22 11.5     0100     11.2         1230   11.3     7.1       6.9 23   11.4     0030     11.0         1000   11.2     7.0       6.9 24 11.4     0730     10.9         2000   11.2     7.1       7.0 25 11.1     2300     10.9         1300   11.0     7.1       7.0 26 11.3     2130     11.0         0900   11.1     7.2       7.0 27 11.6     2330     11.2         0930   11.4     7.2       7.1 28 12.1     2330     11.6         0930   11.9     7.3       7.2 29 12.2     0300     11.9         1830   12.1     7.2       7.1 30 12.1     0100     11.6         2200   11.8     7.2       7.1
TABLE 4.2-11 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 NOVEMBER 1982 DISSOLVED' OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
10.4 2030 10.2 0000 10.3 7.4 7.2 2
10.7 2300 10.3 0530 10.5 7.5 7.3 3
11.2 2230 10.4 1030 10.7 7.5 7.4 4
11.1 0300 10.5 2100 10.8 7.5 7.4 5
10.7 0400 9.6 2400 10.4 7.5 7.3 6
9.9 0130 9.6 2400 9.7 7.4 7.3 7
10.0 2400 9.5 0700 9.7 7.3 7.1 1
8 10.6 1300 10.0 0000 10.3 7.3 7.1 o
9 10.5 0000 10.1 2330 10.3 7.2 7.1 10 10.2 0300 9.9 1730 10.1 7.2 7.0 11 10.3 2130 10.0 0600 10.2 7.1 7.0 12 10.7 1930 10.1 0900 10.4 7.2 7.1 13 10.8 0530 10.5 1800 10.6 7.1 7.0 14 11.2 2200 10.8 0500 11.0 7.1 6.9 15 11.2 1930 10.9 0800 11.1 7.1 7.0 16 11.2 0300 10.9 1600 11.0 7.1 7.0 17 11.2 2400 11.0 0430 11.1 7.1 7.0 18 11.5 1600 11.2 0000 11.3 7.1 7.0 19 11.7 1600 11.3 0730 11.5 7.1 7.0 20 11.6 1000 11.3 1700 11.5 7.1 7.0 21 11.6 0700 11.3 1730 11.5 7.1 7.0 22 11.5 0100 11.2 1230 11.3 7.1 6.9 23 11.4 0030 11.0 1000 11.2 7.0 6.9 24 11.4 0730 10.9 2000 11.2 7.1 7.0 25 11.1 2300 10.9 1300 11.0 7.1 7.0 26 11.3 2130 11.0 0900 11.1 7.2 7.0 27 11.6 2330 11.2 0930 11.4 7.2 7.1 28 12.1 2330 11.6 0930 11.9 7.3 7.2 29 12.2 0300 11.9 1830 12.1 7.2 7.1 30 12.1 0100 11.6 2200 11.8 7.2 7.1


F
F
                                                  -TABLE 4.2-12 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE' SAMPLE STATION NO.         7.
-TABLE 4.2-12 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE' SAMPLE STATION NO.
DECEMBER 1982 DISSOLVEDLOXYGEN (MG/L)                                         pH Day       Maximum           Time       Minimum       Time     Mean             Maximum   Minimum 1           12.1           2330         11.7       0800     11.9               7.2       7.1 2           12.1           0200         11.7       2200     11.9               7.1       7.0 3           12.1           2400           11.7       1030     11.9               7.1       7.0 4           12.2           0200         11.8       2000-   12.0               7.1       6.9:
7.
5           12.2           1530         11.7       0900     12.0               7.1       6.9' 6           12.2           0630         11.7       2400     11.9               7.1       7.0 7           11.7           0000         11.3       1830     11.5-               7.1       7.0 i   8           11.6           2300         11.2       1000     11.4               7.1       7.0
DECEMBER 1982 L
  $  9            11.8           1230         11.6       0000     11.7               7.2       7.1 y 10             12.0           1500         11.7       0730     11.8               7.2       7.1 11             12.0           2330         11.8       1030     11.9               7.2 7.1 12             12.1           0500         12.0       0100     12.1               73         7.2 13             12.2           2400         11.9       0730     12 ~. 0 -           i.3       7.2 14             12.6           2300         12.1       0800     12.3               7.3       7.2 15             12.8           2030         12.6       0200     12.7               7.3       7.2 16             13.0           1700         12.7       2330     12.9               7.2       7.1 17             13.1           1700         12.7       0430     12.9               7.3-       7.1 18             13.2           1700         12.8       0400     13.0               7.2       7.1
DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1
12.1 2330 11.7 0800 11.9 7.2 7.1 2
12.1 0200 11.7 2200 11.9 7.1 7.0 3
12.1 2400 11.7 1030 11.9 7.1 7.0 4
12.2 0200 11.8 2000-12.0 7.1 6.9:
5 12.2 1530 11.7 0900 12.0 7.1 6.9' 6
12.2 0630 11.7 2400 11.9 7.1 7.0 7
11.7 0000 11.3 1830 11.5-7.1 7.0 i
8 11.6 2300 11.2 1000 11.4 7.1 7.0 9
11.8 1230 11.6 0000 11.7 7.2 7.1 y
10 12.0 1500 11.7 0730 11.8 7.2 7.1 11 12.0 2330 11.8 1030 11.9 7.2 7.1 12 12.1 0500 12.0 0100 12.1 73 7.2 13 12.2 2400 11.9 0730 12 ~. 0 -
i.3 7.2 14 12.6 2300 12.1 0800 12.3 7.3 7.2 15 12.8 2030 12.6 0200 12.7 7.3 7.2 16 13.0 1700 12.7 2330 12.9 7.2 7.1 17 13.1 1700 12.7 0430 12.9 7.3-7.1 18 13.2 1700 12.8 0400 13.0 7.2 7.1 19 13.4 1530 13.2 0000 13.3 7.2 7.1
~
~
19            13.4          1530          13.2        0000    13.3                7.2        7.1 20             13.4           1230         13.1       0730     13.3               7.2       7.1 21             13.3           0230         13.2       1900     13.2               7.2       7.1 22             13.3           0100         13.0:       2100   .13.1'               7.2       7.1 23             13.1           0100         12.7       2100     12.9               7.2       7.1 24           12.9           2330         12.8       1030     12.9               7.2       7.1 25           13.2           2400         12.9       1000     13.0'               7.2       7.1 26           13.3           0130         13.1       2100     13.2               7.1       7.0 27           13.4           1900.       13.1       0500     13.2               7.2       7.1 28           13.5           1730.       13.3       0130     13.4               7.2       7.0 29           13.5           0030         12.9       2300     13.2'               7.1       7.0 30           13.4           1300         12.9       0100   -13.2               7.2       7.0 31           13.3           1400         13.0       0200     13.2               7.2       7.0:
20 13.4 1230 13.1 0730 13.3 7.2 7.1 21 13.3 0230 13.2 1900 13.2 7.2 7.1 22 13.3 0100 13.0:
2100
.13.1' 7.2 7.1 23 13.1 0100 12.7 2100 12.9 7.2 7.1 24 12.9 2330 12.8 1030 12.9 7.2 7.1 25 13.2 2400 12.9 1000 13.0' 7.2 7.1 26 13.3 0130 13.1 2100 13.2 7.1 7.0 27 13.4 1900.
13.1 0500 13.2 7.2 7.1 28 13.5 1730.
13.3 0130 13.4 7.2 7.0 29 13.5 0030 12.9 2300 13.2' 7.1 7.0 30 13.4 1300 12.9 0100
-13.2 7.2 7.0 31 13.3 1400 13.0 0200 13.2 7.2 7.0:


TABLE 4.3-1.
TABLE 4.3-1.
              ' VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS SAMPLE LOCATION                             Monitor 3 Monitor 7 Discharge Date                                       3/11/82 3/11/82 3/11/82 Dissolved Oxygen                             13.40     13.70       12.85 Turbidity (Formazin Units)                   0.78     0.64         0.80 pH (pH Units)                                 7.32     7.35         7.55 Alkalinity (as Ca CO3 )                       30.7     33.3         32.0 Total Hardness (as Ca CO3 )                   37.1     39.3         37.1 Calcium Hardness (as Ca CO3 )                 30.7     32.5       30.7 Chloride                                       9.4     11.3         10.0 Sulfate                                       8.5       8.2         8.2 Total Phosphate (as'P)                       0.022     0.027       0.029 Total Solids                                     96     100           98 Suspended Solids                               1.1       1.0         1.3 Chromium (Total)                           <0.002   <0.002     <0.002 Copper                                       <0.02     <0.02       <0. 02-Iron (Total)                                 0.20     0.16       0.18
' VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS SAMPLE LOCATION Monitor 3 Monitor 7 Discharge Date 3/11/82 3/11/82 3/11/82 Dissolved Oxygen 13.40 13.70 12.85 Turbidity (Formazin Units) 0.78 0.64 0.80 pH (pH Units) 7.32 7.35 7.55 Alkalinity (as Ca CO )
* Sodium                 ,                      6.3       7.1         6.6 Zinc                                         <0.02     <0.02       <0.02 All Results in mg/l Unless otherwise Noted
30.7 33.3 32.0 3
                                            -102-(
Total Hardness (as Ca CO )
l                     _                  -.                        --
37.1 39.3 37.1 3
Calcium Hardness (as Ca CO )
30.7 32.5 30.7 3
Chloride 9.4 11.3 10.0 Sulfate 8.5 8.2 8.2 Total Phosphate (as'P) 0.022 0.027 0.029 Total Solids 96 100 98 Suspended Solids 1.1 1.0 1.3 Chromium (Total)
<0.002
<0.002
<0.002 Copper
<0.02
<0.02
<0. 02-Iron (Total) 0.20 0.16 0.18 Sodium 6.3 7.1 6.6 Zinc
<0.02
<0.02
<0.02 All Results in mg/l Unless otherwise Noted
-102-(
l


l TABLE 4.3-2 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS P "'
TABLE 4.3-2 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS P "'
SAMPLE LOCATION                                 Monitor 3 Monitor 7 oisc arge Date                                           5/13/82 5/13/82 5/13/82 Dissolved Oxygen                                 8.90     10.70     10.55 Turbidity (Formazin Units)                         2.3           2.9     2.4 pH (pH Units)                                     7.20           7.46   7.32 Alkalinity (as Ca CO3 )                           23.7           22.5   23.1 Total Hardness (as Ca CO3 )                       27.1           27.1   27.2 Calcium Hardness (as Ca CO3 )                     23.0           22.-7 23.0 Chloride                                           3.2           3.4     3.2 Sulfate                                             8.6           8.6   10.1 Total Phosphate (as P)                           0.016       0.023     0.017 Total Solids'                                         72             78     68 Suspended Solids                                       9           12     10 Chromium (Total)                                 0.004       0.005     0.005 Copper                                           <0.02       <0.02   <0.02 fron (Total)                                       0.48         0.96   0.19 Sodium                                               3.2           3.2     3.4 l           Zinc                                             <0.02       <0.02   <0.02 l
SAMPLE LOCATION Monitor 3 Monitor 7 oisc arge Date 5/13/82 5/13/82 5/13/82 Dissolved Oxygen 8.90 10.70 10.55 Turbidity (Formazin Units) 2.3 2.9 2.4 pH (pH Units) 7.20 7.46 7.32 Alkalinity (as Ca CO )
23.7 22.5 23.1 3
Total Hardness (as Ca CO )
27.1 27.1 27.2 3
Calcium Hardness (as Ca CO )
23.0 22.-7 23.0 3
Chloride 3.2 3.4 3.2 Sulfate 8.6 8.6 10.1 Total Phosphate (as P) 0.016 0.023 0.017 Total Solids' 72 78 68 Suspended Solids 9
12 10 Chromium (Total) 0.004 0.005 0.005 Copper
<0.02
<0.02
<0.02 fron (Total) 0.48 0.96 0.19 Sodium 3.2 3.2 3.4 l
Zinc
<0.02
<0.02
<0.02 l
All Results in mg/l Unless otherwise Noted
All Results in mg/l Unless otherwise Noted
                                                  -103-                                      -
-103-


TABLE 4.3-3 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS P'
TABLE 4.3-3 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS P'
SAMPLE LOCATION                           Monitor 3 Monitor 7 oisch0 ge Date                                       9/9/82   9/9/82   9/9/82 Dissolved Oxygen                             9.80     8.60       7.80 Turbidity (Formazin Units)                   1.7       1.5         2.6 pH (pH Units)                               7.90     7.64       8.28 Alkalinity (as Ca CO3 )                     43.7     44.8       61.2 Total Hardness (as Ca CO3 )                 45.6     46.8       85.0 Calcium Hardness (as Ca CO3 )               38.8     40.0       72.5 Chloride                                     8.4       9.0       17.0 Sulfate                                       8.5       8.2       26.5
SAMPLE LOCATION Monitor 3 Monitor 7 oisch0 ge Date 9/9/82 9/9/82 9/9/82 Dissolved Oxygen 9.80 8.60 7.80 Turbidity (Formazin Units) 1.7 1.5 2.6 pH (pH Units) 7.90 7.64 8.28 Alkalinity (as Ca CO )
  -Total Phosphate (as P)                       0.023     0.028     0.038 Total Solids                                 140       130         204 Suspended. Solids                             3.6       4.0         6.0 Chromium (Total)                             <0.02     <0.02     <0.02 Copper                                       <0.02     <0.02       0.16 Iron (Total)                                 0.08     0.14       0.24 .
43.7 44.8 61.2 3
Sodium                                         6.2       6.4         14 Zinc                                         <0.02     <0.02       0.05 All Results in mg/l Unless otherwise Noted I
Total Hardness (as Ca CO )
45.6 46.8 85.0 3
Calcium Hardness (as Ca CO )
38.8 40.0 72.5 3
Chloride 8.4 9.0 17.0 Sulfate 8.5 8.2 26.5
-Total Phosphate (as P) 0.023 0.028 0.038 Total Solids 140 130 204 Suspended. Solids 3.6 4.0 6.0 Chromium (Total)
<0.02
<0.02
<0.02 Copper
<0.02
<0.02 0.16 Iron (Total) 0.08 0.14 0.24 Sodium 6.2 6.4 14 Zinc
<0.02
<0.02 0.05 All Results in mg/l Unless otherwise Noted I
i
i
                                        -104-L
-104-L


TABLE 4.3-4 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS SAMPLE LOCATION                                                                               Monitor 3 Monitor 7 D[cNr'ge Date                                                                                           11/19/81 11/19/82 11/19/82 Dissolved Oxygen                                                                                 11.40   11.30 Turbidity (Formazin Units)                                                                         1.5       1.5       1.8 pH (pH Units)                                                                                     7.40     7.38       7.30 Alkalinity (as Ca CO3 )                                                                           29.0     32.0       29.0 Total Hardness (as Co CO3 )                                                                       30.6     29.5       29.5 Calcium Hardness (as Ca CO3 )                                                                     25.0     23.7       23.7 Chloride                                                                                           4.4       4.6       4.4 Sulfate                                                                                           6.9       7.5       6.6
TABLE 4.3-4 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS SAMPLE LOCATION Monitor 3 Monitor 7 D[cNr'ge Date 11/19/81 11/19/82 11/19/82 Dissolved Oxygen 11.40 11.30 Turbidity (Formazin Units) 1.5 1.5 1.8 pH (pH Units) 7.40 7.38 7.30 Alkalinity (as Ca CO )
                      -Total Phosphate (as P)                                                                           0.021   0.022     0.024 Total Solids                                                                                         50       40       56 Suspended Solids                                                                                   2.4       1.6       3.0 Chromium (Total)                                                                                 <0.02   <0.02     <0.02 Copper                                                                                           <0.02   <0.02     <0.02
29.0 32.0 29.0 3
;                    Iron (Total)                                                                                     0.10     0.08       0.13 Sodium                                                                                             4.4       4.6       4.5 I
Total Hardness (as Co CO )
Zinc                                                                                             <0.02   <0.02     <0.02 All Results in mg/l Unless otherwise Noted
30.6 29.5 29.5 3
                                                                                                                -105-l
Calcium Hardness (as Ca CO )
25.0 23.7 23.7 3
Chloride 4.4 4.6 4.4 Sulfate 6.9 7.5 6.6
-Total Phosphate (as P) 0.021 0.022 0.024 Total Solids 50 40 56 Suspended Solids 2.4 1.6 3.0 Chromium (Total)
<0.02
<0.02
<0.02 Copper
<0.02
<0.02
<0.02 Iron (Total) 0.10 0.08 0.13 Sodium 4.4 4.6 4.5 I
Zinc
<0.02
<0.02
<0.02 All Results in mg/l Unless otherwise Noted
-105-l


?
?
Line 1,804: Line 3,841:
9 SECTION 5 PLANKTON STUDIES t
9 SECTION 5 PLANKTON STUDIES t
I
I
: 5. PLANKTON STUDIES Plankton samples were collected, as required by Vermont Yankee's NPDES permit, once each month in 1982 at the downstream and upstream water quality monitors, Stations 3 and 7 (Figure 5.1). In addition, subsurface samples from the river at Vermont Yankee's condenser cooling water intake structure were collected on the nine dates in 1982 when entrainment studies were con-ducted.
 
The monitor samples, preserved in formalin, were collected by pumping river water through a No. 20 mesh Wisconsin plankton net. Subsequently the sample volume was adjusted to 20 ml and an aliquot of the sample was examined in a Sedgewick-Rafter counting cell. Plankton were identified to the lowest feasible taxonomic level and were counted as their normally occurring unit, i.e., phytoplankters as cells, colonies, or filaments and zooplankters as individuals or colonies. The results of these analyses are presented below.
5.
5.1   Phytoplankton Studies A summary of the counting results of the analysis of the 1982 phytoplankton samples is given in Table 5.1. This table shows for each sample the dominant species observed, when one taxon was found in greater numbers than any other one, the con-centration in units per liter of that dominant organism, and the total count in units per liter of all algae in the sample.
PLANKTON STUDIES Plankton samples were collected, as required by Vermont Yankee's NPDES permit, once each month in 1982 at the downstream and upstream water quality monitors, Stations 3 and 7 (Figure 5.1).
The, concentrations of phytoplankters found in the 1982 monitor samples are also shown graphically in Figures 5.2 and 5.3. To permit ready comparison of the 1982 monitor sample data with that of earlier years, Figures 5.2 and 5.3 also carry plots of the monthly mean phytoplankton counts observed in the years
In addition, subsurface samples from the river at Vermont Yankee's condenser cooling water intake structure were collected on the nine dates in 1982 when entrainment studies were con-ducted.
                              -107-
The monitor samples, preserved in formalin, were collected by pumping river water through a No. 20 mesh Wisconsin plankton net.
Subsequently the sample volume was adjusted to 20 ml and an aliquot of the sample was examined in a Sedgewick-Rafter counting cell.
Plankton were identified to the lowest feasible taxonomic level and were counted as their normally occurring
: unit, i.e., phytoplankters as cells, colonies, or filaments and zooplankters as individuals or colonies.
The results of these analyses are presented below.
5.1 Phytoplankton Studies A summary of the counting results of the analysis of the 1982 phytoplankton samples is given in Table 5.1.
This table shows for each sample the dominant species observed, when one taxon was found in greater numbers than any other one, the con-centration in units per liter of that dominant organism, and the total count in units per liter of all algae in the sample.
The, concentrations of phytoplankters found in the 1982 monitor samples are also shown graphically in Figures 5.2 and 5.3.
To permit ready comparison of the 1982 monitor sample data with that of earlier years, Figures 5.2 and 5.3 also carry plots of the monthly mean phytoplankton counts observed in the years
-107-


l 1'
l 1'
hl                                         PLANKTON i l SAMPLE STATION LOCATIONS kk 4
hl PLANKTON i
                            ~
l SAMPLE STATION LOCATIONS k k 4
O       l/2       i SCALE iN MILES NEW     H AM PSHIRE
~
                          \
O l/2 i
SCALE iN MILES NEW H AM PSHIRE
\\
\\
VERMONT
VERMONT
                          \          /
/
6 Vermont Yankee h                         ,  ,
6 Vermont Yankee h
bi 3
bi 3
FIGURE 5.1
FIGURE 5.1
                              -108-
-108-


)
)
TABLE 5.1 DOMINANT PHYTOPLANKTON SPECIES                                                 -
TABLE 5.1 DOMINANT PHYTOPLANKTON SPECIES (Dominanti Species Count / Total Count in Units per Liter) 1982 e
(Dominanti Species Count / Total Count in Units per Liter) 1982 e
SAMPLE. LOCATION River at
SAMPLE. LOCATION River at
              -Date                     Monitor 7                             VY Intake                                 Monitor 3 1/5                                                     Tabe11 aria fenestrata l                                                                                   (6/32)'
-Date Monitor 7 VY Intake Monitor 3 1/5 Tabe11 aria fenestrata l
1/19           Melosira varians                                                             Oscillatoria sp.
(6/32)'
(22/119)                                                                           (4/16) 2/17                                                     Tabe11 aria fenestrata (6/27) 2/18           Oscillatoria sp.'                                                                                 None (11/67)                                                                            -(-/46) 3/11           Stigeoclonium sp.                               Diatoma sp.                           Diatoma sp.
1/19 Melosira varians Oscillatoria sp.
(5/71)                               (2/14)                                   -(11/53)
(22/119)
,              4/8-                                                       Melosira italica (4/28) 4/9-               Ulothrix sp.                                                                   Ulothrix sp. .
(4/16) 2/17 Tabe11 aria fenestrata (6/27) 2/18 Oscillatoria sp.'
(9/111)'                                                                         (9/51)
-(-/46)
~ '
None (11/67) 3/11 Stigeoclonium sp.
5/20     _ Asterionella formosa                         Asterionella formosa               Melosira italica (49/136)                               (466/822)                                 (52/220) 6/8             Melosira italica                                                           Melosira italica (14/209)                                                                         (64/137)
Diatoma sp.
.              7/19       Tabe11 aria fenestrata                                                       Tabe11 aria . fenestrata (257/383)                                                                   (4575/6406) 8/26       Tabe11 aria fenestrata                                                       Tabe11 aria fenestrata (52/128)                                                                     (110/223) i               9/28     Fragilaria crotonensis                                                       Fragilaria crotonensis
Diatoma sp.
[-                                     (142/274)                                                                       (162/409) 10/7-                                                 Fragilaria crotonensis (231/1160) l 10/26-         Melosira italica                           Melosira italica           Fragilaria crotonensis l                                         (66/140)                               (60/134)                                 (29/164) l               11/18           Melosira italica                           Melosira italica               Melosira italica 1
(5/71)
(38/188)                               (46/190)                                 (49/207)
(2/14)
"              12/15           Melosira italica                           Melosi ra . italica                                 None
-(11/53) 4/8-Melosira italica (4/28) 4/9-Ulothrix sp.
                                        -(12/30)                                 (56/162)                                     (-/45)
Ulothrix sp..
                                                                          -109-i
(9/111)'
(9/51)
~ '
5/20
_ Asterionella formosa Asterionella formosa Melosira italica (49/136)
(466/822)
(52/220) 6/8 Melosira italica Melosira italica (14/209)
(64/137) 7/19 Tabe11 aria fenestrata Tabe11 aria. fenestrata (257/383)
(4575/6406) 8/26 Tabe11 aria fenestrata Tabe11 aria fenestrata (52/128)
(110/223) i 9/28 Fragilaria crotonensis Fragilaria crotonensis
[-
(142/274)
(162/409) 10/7-Fragilaria crotonensis (231/1160) l 10/26-Melosira italica Melosira italica Fragilaria crotonensis l
(66/140)
(60/134)
(29/164) l 11/18 Melosira italica Melosira italica Melosira italica (38/188)
(46/190)
(49/207) 1 12/15 Melosira italica Melosi ra. italica None
-(12/30)
(56/162)
(-/45)
-109-i


                                                                                                                                                                                              =
=
SEASONAL PHYTOPLANKTON DISTRIBUTION STATION N O .7 - MONITOR 50                                                                                                                                                                               :
SEASONAL PHYTOPLANKTON DISTRIBUTION STATION N O.7
40 -
- MONITOR 50 40 -
j %,
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30 -                                                                                         I         '.
30 -
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        ~ 20 -                                                                               #                                  i I           ,                        s t
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10 -
                                                                                                    ,I              \                      \
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E                                                                                                                       _:
x
O                                                             I                         I                                 \                 g
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6 MONTHS 1982
- - - - ~ ~ "
1970 - 74 MEAN MEAN + 2 STO. DEV.
1970 - 74 MEAN MEAN + 2 STO. DEV.
FIGURE 5.2
FIGURE 5.2
                                                                    -110-
-110-


I SEASONAL PHYTOPLANKTON DISTRIBUTION STATION NO.3 - MONITOR 50 It
I SEASONAL PHYTOPLANKTON DISTRIBUTION STATION NO.3 - MONITOR 50 It
                                                                                                                                                            't
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,                                                                              FIGURE 5.3 l                                                                                   -111-y-v-- ,i---g - v -r-     w   , -pp-y                 yw           - - - +   -
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l8 l
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1 2
3 4
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7 9
MONTHS 1982 1970 - 74 MEAN MEAN + 2 STD. DEV.
FIGURE 5.3 l
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++-e+i yw yw--,-1y-
- - - +
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-r r-wy 3w-
--r ww


1970-74, excluding data collected in 1974 during Vermont Yankee's open cycle testing. Variability of algal concentrations about these means is' indicated on the graphs by points which are two standard deviations greater than each monthly mean.
1970-74, excluding data collected in 1974 during Vermont Yankee's open cycle testing.
Algal concentrations in the net collections of 1982 were below the mean concentrations observed in 1970-74 in all months but July at Station 3. The concentration at Station 7 in Jan-uary, 119 units / liter,-was more than two standard deviations greater than the 1970-74 means for January at Station 7. The algal counts at Station 7 in February and at Station 3 in July exceeded the means of 1970-74, but by less than two standard deviations..
Variability of algal concentrations about these means is' indicated on the graphs by points which are two standard deviations greater than each monthly mean.
In earlier reports of this series (Aquatec 1975, 1976), a statistical analysis of the phytoplankton data collected prior to Vermont Yankee's operation and during closed cycle operation at the two monitor stations was presented. This analysis developed linear regression equations which predicted Monitor 3 counts from three ranges of observed Monitor 7 counts. Moni-tor 7 counts observed on all twelve sample dates in 1982 lie within the low range, 0-772 units per liter, for which the regression equation has an intercept of 29.3, a regression coefficient of 0.802, and a standard error of estimate of 193.
Algal concentrations in the net collections of 1982 were below the mean concentrations observed in 1970-74 in all months but July at Station 3.
A comparison of the phytoplankton counts observed at Monitor.3 in 1982 with counts predicted by this regression equation from counts observed at Monitor 7 is shown in Table 5.2. The only difference between the observed and the predicted concentrations for Station 3 that exceeds two standard errors of estimate is that caluclated from the data of the July 19 samples. Vermont       ]
The concentration at Station 7 in Jan-uary, 119 units / liter,-was more than two standard deviations greater than the 1970-74 means for January at Station 7.
The algal counts at Station 7 in February and at Station 3 in July exceeded the means of 1970-74, but by less than two standard deviations..
In earlier reports of this series (Aquatec 1975, 1976), a statistical analysis of the phytoplankton data collected prior to Vermont Yankee's operation and during closed cycle operation at the two monitor stations was presented.
This analysis developed linear regression equations which predicted Monitor 3 counts from three ranges of observed Monitor 7 counts.
Moni-tor 7 counts observed on all twelve sample dates in 1982 lie within the low range, 0-772 units per liter, for which the regression equation has an intercept of 29.3, a regression coefficient of 0.802, and a standard error of estimate of 193.
A comparison of the phytoplankton counts observed at Monitor.3 in 1982 with counts predicted by this regression equation from counts observed at Monitor 7 is shown in Table 5.2.
The only difference between the observed and the predicted concentrations for Station 3 that exceeds two standard errors of estimate is that caluclated from the data of the July 19 samples.
Vermont
]
Yankee had operated in the closed cycle condenser cooling mode for seven weeks prior to July 19.
Yankee had operated in the closed cycle condenser cooling mode for seven weeks prior to July 19.
                            -112-
-112-


A TABLE 5.2
A TABLE 5.2
                              ' COMPARISON OF OBSERVED MONITOR 3 PHYTOPLANKTON COUNT WITH MONITOR 3 COUNT PREDICTED BY REGRESSION ANALYSIS OF LOW RANGE PREOPERATIONAL/ CLOSED CYCLE MONITOR DATA OF 1970-74 Monitor 7 Count                                     Monitor 3 Count Date                         Observed                           Observed-Predicted = Difference                                       .
' COMPARISON OF OBSERVED MONITOR 3 PHYTOPLANKTON COUNT WITH MONITOR 3 COUNT PREDICTED BY REGRESSION ANALYSIS OF LOW RANGE PREOPERATIONAL/ CLOSED CYCLE MONITOR DATA OF 1970-74 Monitor 7 Count Monitor 3 Count Date Observed Observed-Predicted = Difference 1/19/82 119 16 125
1/19/82                             119                                 16           125                 -109 2/18/82                                 67                               46             83                   -37 3/11/82                               . 71'                               53             86                   -33 4/9/82                               111                                 51           118                     -67 5/20/82                             136                                 220           138                     +82 6/8/82                               209                                 137           197                     -60 7/19/82                             383                             6406             336               +6070 8/26/82                             128                                 223           132                     +91
-109 2/18/82 67 46 83
;                            9/28/82                             274                                 409           249                 +160 4
-37 3/11/82
10/26/82                             140                                 164           142                     +22
. 71' 53 86
                            '11/18/82                             188                                 207           180                   '+27 12/15/82 >           i 30                               4b             53                       -8
-33 4/9/82 111 51 118
_a Forty-five species of phytoplankton were identified in the i                         twelve' net samples at Stations 3 and 7 in 1982. Small numbers of' twelve additional species were observed in the samples of
-67 5/20/82 136 220 138
...                      river water collected at Vermont-Yankee's intake structure 4
+82 6/8/82 209 137 197
during''entrainment studies. A checklist of the net phytoplank-ton identified in these samples is shown in Table 5.3. Follow-ing-the name of each taxon in the list are three numbers in parenthesis.                   The first is the number of Monitor 3 samples in
-60 7/19/82 383 6406 336
;                        which the alga was observed; the second is the number of Monitor
+6070 8/26/82 128 223 132
!                        7 samples in which it was found; the third is the number of entrainment sample dates on which the taxon was found in a river intake sample.
+91 9/28/82 274 409 249
The average number of identified species found in the twelve upstream Station 7 samples of 1982 was 7.2; in the down-stream Station 3 samples, the mean number was 8.3. The number per sample at Station 7 ranged from only 1 identified species in
+160 10/26/82 140 164 142
:                        April to 15 in the November sample. At Station 3, the largest number of identified species was 15, in the samples of July and I
+22 4
                                                                            -113-
'11/18/82 188 207 180
'+27 12/15/82 >
30 4b 53
-8 i
_a Forty-five species of phytoplankton were identified in the i
twelve' net samples at Stations 3 and 7 in 1982.
Small numbers of' twelve additional species were observed in the samples of river water collected at Vermont-Yankee's intake structure during''entrainment studies.
A checklist of the net phytoplank-4 ton identified in these samples is shown in Table 5.3.
Follow-ing-the name of each taxon in the list are three numbers in parenthesis.
The first is the number of Monitor 3 samples in which the alga was observed; the second is the number of Monitor 7 samples in which it was found; the third is the number of entrainment sample dates on which the taxon was found in a river intake sample.
The average number of identified species found in the twelve upstream Station 7 samples of 1982 was 7.2; in the down-stream Station 3 samples, the mean number was 8.3.
The number per sample at Station 7 ranged from only 1 identified species in April to 15 in the November sample.
At Station 3, the largest number of identified species was 15, in the samples of July and I
-113-


September; the smallest number was 5, in the samples of Jan-uary, February, and December.
September; the smallest number was 5, in the samples of Jan-uary, February, and December.
In all earlier years of Vermont Yankee studies species of diatoms have been the predominant type of algae' observed in the monitor samples collected'by plankton net. This was the case in 1982 also. Diatoms constituted 50% or more of all the Moni-tor 7 samples, all the Monitor 3 samples except that of January, and all nine of the sets of entrainment intake samples. A sum-mary of the percentages of diatoms, flagellates, green, and blue-green algae found in these 1982 net phytoplankton samples is given in Table 5.4.
In all earlier years of Vermont Yankee studies species of diatoms have been the predominant type of algae' observed in the monitor samples collected'by plankton net.
TABLE 5.4 MEAN PERCENTAGES AND PERCENTAGE RANGES DIATOMS, FLAGELLATES, GREEN, AND BLUE-GREEN ALGAE 1982 Diatoms     Flagellates       Greens     Blue-Greens Sample     Percentage     Percentage     Percentage   Percentage Location   Range Mean     Range Mean     Range Mean   Range Mean Monitor 7   50-94   78     0-3.2   0.4     0-28   8.2   0-30   7.7 VY Intake   63-100 84     0-9.0   1.5     0-22   4.8   0-16   6.0 Monitor 3   38-100 77     0-5.5   1.0     0-26   6.6   0-27   8.2 The more commonly observed species in 1982 were the same as those that have been found to predominate in the Monitor 3 and 7 samples of former years. Predominant diatoms were Aster-ionella formosa, Fragilaria-capucina and Fragilaria crotonensis,
This was the case in 1982 also.
[   Melosira italica and Melosira varians, and Tabellaria fenestrata.
Diatoms constituted 50% or more of all the Moni-tor 7 samples, all the Monitor 3 samples except that of January, and all nine of the sets of entrainment intake samples.
Melosira italica was found in all but 3 of the 24 monitor samples and in all 9 of the intake samples. The more common flagellates were again Dinobryon spp. and the more frequently observed green algae were Pediastrum spp., particularly Pediastrum simplex.
A sum-mary of the percentages of diatoms, flagellates, green, and blue-green algae found in these 1982 net phytoplankton samples is given in Table 5.4.
Species of the blue-green algae oscillatoria were found in 50%
TABLE 5.4 MEAN PERCENTAGES AND PERCENTAGE RANGES DIATOMS, FLAGELLATES, GREEN, AND BLUE-GREEN ALGAE 1982 Diatoms Flagellates Greens Blue-Greens Sample Percentage Percentage Percentage Percentage Location Range Mean Range Mean Range Mean Range Mean Monitor 7 50-94 78 0-3.2 0.4 0-28 8.2 0-30 7.7 VY Intake 63-100 84 0-9.0 1.5 0-22 4.8 0-16 6.0 Monitor 3 38-100 77 0-5.5 1.0 0-26 6.6 0-27 8.2 The more commonly observed species in 1982 were the same as those that have been found to predominate in the Monitor 3 and 7 samples of former years.
or more of the samples at all three locations.
Predominant diatoms were Aster-ionella formosa, Fragilaria-capucina and Fragilaria crotonensis,
                                  -115-l
[
Melosira italica and Melosira varians, and Tabellaria fenestrata.
Melosira italica was found in all but 3 of the 24 monitor samples and in all 9 of the intake samples.
The more common flagellates were again Dinobryon spp. and the more frequently observed green algae were Pediastrum spp., particularly Pediastrum simplex.
Species of the blue-green algae oscillatoria were found in 50%
or more of the samples at all three locations.
-115-l


                                    .. . - . . . -            .-      ~   . - . __  .      .        - ..
~
I
I TABLE 5.3-1 CHECKLIST OF NET PHYTOPLANKTON OF THE CONNECTICUT RIVER NEAR:VERNON, VERMONT 1982 l'
;                                                    TABLE 5.3-1 CHECKLIST OF NET PHYTOPLANKTON OF THE CONNECTICUT RIVER NEAR:VERNON, VERMONT 1982 l'                         -The numbers in parenthesis after each listed taxon-are:       (the-number of Station 3 Monitor samples of 12 -              -
-The numbers in parenthesis after each listed taxon-are:
(the-number of Station 3 Monitor samples of 12 -
the number of Station 7 Monitor-samples of 12/the number of entrainment intake sample sets of 9 in which the taxon was observed).
the number of Station 7 Monitor-samples of 12/the number of entrainment intake sample sets of 9 in which the taxon was observed).
BACILLARIOPHYCEAE Asterionella formosa (5-7/8)
BACILLARIOPHYCEAE Asterionella formosa (5-7/8)
Ceratoneis sp. . (0-1/1)
Ceratoneis sp.. (0-1/1)
Cyclotella sp. (0-0/1)
Cyclotella sp. (0-0/1)
Diatoma sp. .(1-1/3)-
Diatoma sp..(1-1/3)-
Fragilaria capucina (5-4/5).
Fragilaria capucina (5-4/5).
Fragilaria crotonensis (9-8/9)
Fragilaria crotonensis (9-8/9)
Line 2,017: Line 4,256:
Melosira'varians (5-5/4)
Melosira'varians (5-5/4)
Meridion sp. (0-1/0)
Meridion sp. (0-1/0)
;                        Nitzschia sp. (3-1/5)
Nitzschia sp. (3-1/5)
Surirella.sp. (1-0/2)
Surirella.sp. (1-0/2)
-                        Synedra sp. (4-5/2)
Synedra sp. (4-5/2)
Tabellaria fenestrata (5-4/5)
Tabellaria fenestrata (5-4/5)
!                        Tabellaria flocculosa (2-0/1)
Tabellaria flocculosa (2-0/1)
                  'CHRYSOPHYCEAE
'CHRYSOPHYCEAE
                        'Cladomonas fruticulosa (0-0/1) l                         Dinobryon sertularia (0-0/1)
'Cladomonas fruticulosa (0-0/1) l Dinobryon sertularia (0-0/1)
Dinobryon sp. (3-2/5)                                                                         i Hydrurus foetidus (1-0/0)
Dinobryon sp. (3-2/5) i Hydrurus foetidus (1-0/0)
Mallomonas sp. (0-1/1)
+
+
Mallomonas sp. (0-1/1) 6 Synura sp. (0-0/1)
Synura sp. (0-0/1) 6 PYRRHOPHYCEAE
PYRRHOPHYCEAE                                                                                         ;
,Ceratium hirundinella (3-2/0) 1 1
                      ,Ceratium hirundinella (3-2/0) 1 1
-116-
                                                                      -116-


TABLE 5.3-1 CHLOROPHYCEAE-Ankistrodesmus falcatus-(0-1/0)                                   '
TABLE 5.3-1 CHLOROPHYCEAE-Ankistrodesmus falcatus-(0-1/0)
Chodatella-sp. (0-0/1)
Chodatella-sp. (0-0/1)
Closterium sp. (0-0/1)
Closterium sp. (0-0/1)
Line 2,045: Line 4,284:
Pediastrum simplex var..duodenarium (3-7/3)-
Pediastrum simplex var..duodenarium (3-7/3)-
Pediastrum tetras-(1-0/0)
Pediastrum tetras-(1-0/0)
        .Scenedesmus quadricauda (4-2/5)
.Scenedesmus quadricauda (4-2/5)
        ~Scenedesmus quadricauda var. westii (1-2/2)
~Scenedesmus quadricauda var. westii (1-2/2)
Scenedesmus sp..(1-0/4)
Scenedesmus sp..(1-0/4)
Schroederia sp. (1-0/0)
Schroederia sp. (1-0/0)
Line 2,058: Line 4,297:
Ulothrix zonata (1-1/1)
Ulothrix zonata (1-1/1)
Ulothrix sp. (2-1/1)
Ulothrix sp. (2-1/1)
    - CYANOPHYCEAE.
- CYANOPHYCEAE.
I           Anabaena~sp. (1-0/0)
I Anabaena~sp. (1-0/0)
Aphanizomenon gracile (2-0/0)
Aphanizomenon gracile (2-0/0)
Aphanocapsa sp.-(0-0/1)
Aphanocapsa sp.-(0-0/1)
!          Gomphosphaeria sp. (2-1/3)
Gomphosphaeria sp. (2-1/3)
Merismopedia elegans (1-0/0)
Merismopedia elegans (1-0/0)
..          Microcystis aeruginosa (0-0/3)
Microcystis aeruginosa (0-0/3)
!        'Oscillatoria splendida_(1-0/0)
'Oscillatoria splendida_(1-0/0)
Oscillatoria sp. (8-6/5) l i
Oscillatoria sp. (8-6/5) l i
1 2
1 2
                                          -117-
-117-
- ~ -


5.2   Zooplankton Studies The results of the analysis of zooplankton samples collect-ed in 1982 at the two monitor stations and at Vermont Yankee's intake structure are summarized in Table 5.5 and in Figures 5.4 and 5.5. Table 5.5 shows the concentration, in units per liter, of zooplankters observed in each sample and the name and concen-tration of the predominant taxon in the sample, when one taxon was observed in greater concentration than any other. In the figures, total zooplankton counts observed in 1982 at the two monitor stations are plotted, along with monthly mean counts ob-served at these stations in the years 1970-74, excluding times of open cycle testing. To show variability about the means, the figures also carry plots of the means plus two standard devia-tions.
5.2 Zooplankton Studies The results of the analysis of zooplankton samples collect-ed in 1982 at the two monitor stations and at Vermont Yankee's intake structure are summarized in Table 5.5 and in Figures 5.4 and 5.5.
Zooplankton concentrations in the monitor samples were relatively low throughout the year 1982. In all months at both monitor stations the zooplankton counts were less than the 1970-74 means for the corresponding months.
Table 5.5 shows the concentration, in units per liter, of zooplankters observed in each sample and the name and concen-tration of the predominant taxon in the sample, when one taxon was observed in greater concentration than any other.
Statistical analysis of zooplankton data collected at the two monitor stations in the years 1970-74, prior to Vermont Yan-kee's operation and during closed cycle operation, has provided a basis for comparison of zooplankton counts observed at Monitor 3, downstream of Vermont Yankee, with counts predicted from the zooplankton concentrations observed at Monitor 7 upstream. This analysis, analogous to that used for phytoplankton, resulted in a linear regression equation relating Monitor 3 count, as depen-dent variable, to the observed Monitor 7 count. For Monitor 7     g counts ranging from 0.5 to 418.5, the equation has a regression coefficient of 0.918, an intercept of 15.7, and a standard error of estimate of 83.8. A comparison of the zooplankton concentra- W tions observed in 1982 at Monitor 3 with those predicted by this equation is given in Table 5.6. All differences between the observed and the predicted concentrations for Station 3 are less than two standard errors of estimate (167.6).
In the figures, total zooplankton counts observed in 1982 at the two monitor stations are plotted, along with monthly mean counts ob-served at these stations in the years 1970-74, excluding times of open cycle testing.
                            -118-
To show variability about the means, the figures also carry plots of the means plus two standard devia-tions.
Zooplankton concentrations in the monitor samples were relatively low throughout the year 1982.
In all months at both monitor stations the zooplankton counts were less than the 1970-74 means for the corresponding months.
Statistical analysis of zooplankton data collected at the two monitor stations in the years 1970-74, prior to Vermont Yan-kee's operation and during closed cycle operation, has provided a basis for comparison of zooplankton counts observed at Monitor 3, downstream of Vermont Yankee, with counts predicted from the zooplankton concentrations observed at Monitor 7 upstream.
This analysis, analogous to that used for phytoplankton, resulted in a linear regression equation relating Monitor 3 count, as depen-dent variable, to the observed Monitor 7 count.
For Monitor 7 g
counts ranging from 0.5 to 418.5, the equation has a regression coefficient of 0.918, an intercept of 15.7, and a standard error of estimate of 83.8.
A comparison of the zooplankton concentra-W tions observed in 1982 at Monitor 3 with those predicted by this equation is given in Table 5.6.
All differences between the observed and the predicted concentrations for Station 3 are less than two standard errors of estimate (167.6).
-118-


t
t
(
(
      .                                                  TABLE 5.5 DOMINANT ZOOPLANKTON TAXA (Dominant Taxon Count / Total Count in Units Per Liter) 1982 SAMPLE LOCATION' River at Date                   Monitor 7:                     VY Intake           Monitor 3 1/5     ,,                                              None
TABLE 5.5 DOMINANT ZOOPLANKTON TAXA (Dominant Taxon Count / Total Count in Units Per Liter) 1982 SAMPLE LOCATION' River at Date Monitor 7:
(-/0.8) 1/19 '.             Philodina sp.                                           None L                                   (1.5/3.5)                                           (-/1.0)-
VY Intake Monitor 3 1/5 None
(-/0.8) 1/19 '.
Philodina sp.
None L
(1.5/3.5)
(-/1.0)-
2/17 Ascomorpha sp.
2/17 Ascomorpha sp.
(1.2/3.2) 2/18         Keratella cochlearis                                           None (0.5/0.7)                                           (-/4.0)
(1.2/3.2) 2/18 Keratella cochlearis None (0.5/0.7)
            .3/111               Philodina sp.                       None               None (1.0/1.5).                     (-/0.8)             (-/3.5) is           4/8                                             Indet. Nematoda (0.1/0.1) 4/9                       None                                       Philodina sp.
(-/4.0)
: t.                                    (-/1.0)                                         (1.0/1.0).
.3/111 Philodina sp.
5/20             Vorticella sp.               Conochilus unicornis   Ploesoma sp.
None None (1.0/1.5).
(1.5/3.5)
(-/0.8)
(4.0/6.5)                     (4.0/6.0) 6/8-         Bosmina longirostris                                     Philodina sp.
(-/3.5) is 4/8 Indet. Nematoda (0.1/0.1) t.
l (6.0/9.0)                                         (1.5/5.5)
4/9 None Philodina sp.
'            7/19               Ploesoma sp.                                       Ploesoma sp.
(-/1.0)
(2.5/5.0)                             ,          (14.0/40.5) _
(1.0/1.0).
8/26               Philodina sp.                                           None (29.0/32.5).-                                         (-/8.5) 9/28              'Synchaeta sp.                                    .
5/20 Vorticella sp.
Conochilus unicornis Ploesoma sp.
(4.0/6.5)
(4.0/6.0)
(1.5/3.5) 6/8-Bosmina longirostris Philodina sp.
l (6.0/9.0)
(1.5/5.5) 7/19 Ploesoma sp.
Ploesoma sp.
(2.5/5.0)
(14.0/40.5) 8/26 Philodina sp.
None (29.0/32.5).-
(-/8.5)
L
'Synchaeta sp.
Synchaeta sp.
Synchaeta sp.
(9.0/14.0)
9/28
L                                  -(4.5/7.0)       -
-(4.5/7.0)
10/7                                               Synchaeta sp.
(9.0/14.0) 10/7 Synchaeta sp.
(6.2/10.0)
(6.2/10.0)
(           10/26               Philodina sp.                 -Synchaeta sp.           None
(
                                - (9.5/21.5)                     (0.8/1.8)             (-/2.0) 11/18               Phi'lodina sp.                 Campanella sp.           None (26.5/29.0)                   (1.0/2.0)             (-/2.0) 12/15         ' Vorticella sp.           ,
10/26 Philodina sp.
Campanella sp. Vorticella sp.
-Synchaeta sp.
(17.0/19.5)                   (1.0/2.5)           (9.0/10.0)
None
                                                          -119-l
- (9.5/21.5)
  &l l'       .,
(0.8/1.8)
(-/2.0) 11/18 Phi'lodina sp.
Campanella sp.
None (26.5/29.0)
(1.0/2.0)
(-/2.0) 12/15
' Vorticella sp.
Campanella sp.
Vorticella sp.
(17.0/19.5)
(1.0/2.5)
(9.0/10.0)
-119-l
&l l'


SEASONAL ZOOPL ANKTON DISTRIBUTION
SEASONAL ZOOPL ANKTON DISTRIBUTION STATION NO. 7 - MONITOR n,
.                                                                          STATION NO. 7 - MONITOR n,         e i
e i
4                                                               1, 7-i b
4 1,
1, 8i il 6-                                       i                                                       81 Ii Ii 8
7-i b
I i 1 0:                                                                                                           I i kJ                                                                                                         l I b                                                                                                           8
1, 8i il 6-81 i
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                      ;                                                                                                                                                          \
,h 1970 -74 MEAN MEAN + 2 STO. DEV.
                                                                                          /
l f
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\                 \            >,                                                  ,-
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                                                                                  ,-                                                                  \
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l                             ,
                                        ------                    .;:n ,: --- 4'bC' _, / . N D,__*__                                                                                                   -
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        ;      ,'                                                                    MONTHS                                                                         Ig g9,
      ,!    ,h 1970 -74 MEAN                             ""                " " "
MEAN + 2 STO. DEV.                                 - ' - - - - - -
FIGURE 5.4 4
FIGURE 5.4 4
s
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3 4
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12 11 MONTHS 1982 1970 - 74 MEAN MEAN + 2 STD. DEV.
                                  .                                                                                s
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            \                -l
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    ,      N ' '_ w n _.
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                                                                                                                                                          ' [.
l   12 MONTHS                                                                   1982 1970 - 74 MEAN MEAN + 2 STD. DEV.                             - - - - - - -
FIGURE 5.5
FIGURE 5.5
                                            -121-
-121-


.,                                          TABLE 5.6 COMPARISON OF OBSERVED MONITOR 3 ZOOPLANKTON COUNT WITH MONITOR 3 COUNT PREDICTED BY REGRESSION ANALYSIS OF PREOPERATIONAL/ CLOSED CYCLE MONITOR DATA OF 1970-74 Monitor 7 Count                     Monitor 3 Count Date             observed         Observed-Predicted = Difference 1/19/82               3.5             1.0               18.9     -17.9 2/18/82               0.7             4.0               16.3     -12.3 3/11/82               1.5             3.5               17.1     -13.6 4/9/82                 1.0             1.0               16.6     -15.6 5/20/82               6.5             3.5               21.7     -18.2 6/8/82                 9.0             5.5               24.0     -18.5 7/19/82               5.0           40.5               20.3     +20.2 8/26/82.             32.5             8.5               45.5     -37.0 9/28/82               7.0           14.0               22.1       -8.1 10/26/82             21.5             2.0               35.4     -33.4 11/18/82             29.0             2.0               42.3     -40.3 12/15/82             19.5           10.0               33.6     -23.6 A checklist of the zooplankton observed in the 1982 monitor samples is given in Table 5.7 at the end of this section of the report. Organisms observed in entrainment samples collected from the river at Vermont Yankee's intake structure are included, also. The three numbers in parenthesis following the name of each taxon in the list are:     the number of Station 3 Monitor samples, of 12; the number of Station 7 Monitor samples, of 12; and the number of entrainment intake samples, of 9, in which i
TABLE 5.6 COMPARISON OF OBSERVED MONITOR 3 ZOOPLANKTON COUNT WITH MONITOR 3 COUNT PREDICTED BY REGRESSION ANALYSIS OF PREOPERATIONAL/ CLOSED CYCLE MONITOR DATA OF 1970-74 Monitor 7 Count Monitor 3 Count Date observed Observed-Predicted = Difference 1/19/82 3.5 1.0 18.9
the taxon was observed. Of the 46 taxa listed, 11 were observed         -
-17.9 2/18/82 0.7 4.0 16.3
only in entrainment intake samples, 6 only in Monitor 3 samples, and 8 taxa were found only in the Monitor 7 samples.
-12.3 3/11/82 1.5 3.5 17.1
The number of taxa observed in the Monitor 3 samples ranged from 1 in April to 9 in July; the average number of taxa in             ~
-13.6 4/9/82 1.0 1.0 16.6
the twelve samples was 4.4. The mean number of taxa found in the twelve Monitor 7 samples was 4.7. The largest number found was 10 in the October sample; the smallest number, 2, was ob-served in the samples of February through April.
-15.6 5/20/82 6.5 3.5 21.7
-18.2 6/8/82 9.0 5.5 24.0
-18.5 7/19/82 5.0 40.5 20.3
+20.2 8/26/82.
32.5 8.5 45.5
-37.0 9/28/82 7.0 14.0 22.1
-8.1 10/26/82 21.5 2.0 35.4
-33.4 11/18/82 29.0 2.0 42.3
-40.3 12/15/82 19.5 10.0 33.6
-23.6 A checklist of the zooplankton observed in the 1982 monitor samples is given in Table 5.7 at the end of this section of the report.
Organisms observed in entrainment samples collected from the river at Vermont Yankee's intake structure are included, also.
The three numbers in parenthesis following the name of each taxon in the list are:
the number of Station 3 Monitor samples, of 12; the number of Station 7 Monitor samples, of 12; and the number of entrainment intake samples, of 9, in which i
the taxon was observed.
Of the 46 taxa listed, 11 were observed only in entrainment intake samples, 6 only in Monitor 3 samples, and 8 taxa were found only in the Monitor 7 samples.
The number of taxa observed in the Monitor 3 samples ranged from 1 in April to 9 in July; the average number of taxa in
~
the twelve samples was 4.4.
The mean number of taxa found in the twelve Monitor 7 samples was 4.7.
The largest number found was 10 in the October sample; the smallest number, 2, was ob-served in the samples of February through April.
Relatively large percentages of the organisms observed in samples of fall and winter were protozoans; particularly
Relatively large percentages of the organisms observed in samples of fall and winter were protozoans; particularly
                                            -122-
-122-


Vortice11a sp. Copepods were less commonly' observed than in some prior years, but were found in monitor samples of May through December and in 6 of the 9 intake samplea collected during entrainment studies.
Vortice11a sp.
As has been found in all earlier years of zooplankton studies, rotifers were the dominant group of organisms in the majority of the samples. They constituted at least 50% of the zooplankters found in 11 of the Station 3 samples, 8 of the Sta-tion 7 samples, and 7 of the 9 entrainment samples. The more commonly observed rotifers were Keratella cochlearis, Ploesoma sp.,
Copepods were less commonly' observed than in some prior years, but were found in monitor samples of May through December and in 6 of the 9 intake samplea collected during entrainment studies.
As has been found in all earlier years of zooplankton studies, rotifers were the dominant group of organisms in the majority of the samples.
They constituted at least 50% of the zooplankters found in 11 of the Station 3 samples, 8 of the Sta-tion 7 samples, and 7 of the 9 entrainment samples.
The more commonly observed rotifers were Keratella cochlearis, Ploesoma sp.,
Synchaeta sp., and Philodina sp., which was found in 18 of the 24 monitor samples.
Synchaeta sp., and Philodina sp., which was found in 18 of the 24 monitor samples.
A summary of the percentages of protozoa, copepoda, clado-cera, and rotatoria found in the monitor and intake entrainment samples of 198'2 is given in Table 5.8.
A summary of the percentages of protozoa, copepoda, clado-cera, and rotatoria found in the monitor and intake entrainment samples of 198'2 is given in Table 5.8.
TABLE 5.8 MEAN PERCENTAGES AND PERCENTAGE RANGES PROTOZOA, COPEPODA, CLADOCERA, AND ROTATORIA 1982 Protozoa       Copepoda       Cladocera     Rotatoria Sample   Percentage     Percentage   Percentage     Percentage Location   Range Mean     Range Mean     Range Mean   Range Mean Monitor 7   0-72   23     0-23   4.7   0-100   15   0-100   57 VY Intake   0-50   12     0-29   8.4   0-7.5   0.8   0-100   68 Monitor 3   0-90   14     0-50   8.8   0-25   5.5   5-100   71 i
TABLE 5.8 MEAN PERCENTAGES AND PERCENTAGE RANGES PROTOZOA, COPEPODA, CLADOCERA, AND ROTATORIA 1982 Protozoa Copepoda Cladocera Rotatoria Sample Percentage Percentage Percentage Percentage Location Range Mean Range Mean Range Mean Range Mean Monitor 7 0-72 23 0-23 4.7 0-100 15 0-100 57 VY Intake 0-50 12 0-29 8.4 0-7.5 0.8 0-100 68 Monitor 3 0-90 14 0-50 8.8 0-25 5.5 5-100 71 i
                                    -123-
-123-


              .-                    -                                      .  ..    --    . .  .=_ . - ~ .    . . _ . .
.=_
~.
i
i
                                                                                          ~
~
TABLE 5.7-1 CHECKLIST OF ZOOPLANKTON OF CHE CONNECTICUT' RIVER                         '
TABLE 5.7-1 CHECKLIST OF ZOOPLANKTON OF CHE CONNECTICUT' RIVER t
t                                                                            NEAR VERNON, VERMONT                           '
NEAR VERNON, VERMONT 1982 1
1982                                   -
i The numbers in parenthesis after each listed taxon-are:
1 i
(the number-of Station 3 Monitor samples of 12 - the number of Station 7 Monitor samples of 12/the number of entrainment intake sample sets of.9 in which the taxon was observed).
  .                                The numbers in parenthesis after each listed taxon-are:
(the number-of Station 3 Monitor samples of 12 - the number
!                of Station 7 Monitor samples of 12/the number of entrainment
            . intake sample sets of.9 in which the taxon was observed).
PROTOZA Acineta sp. (0-1/0)
PROTOZA Acineta sp. (0-1/0)
Campanella sp. (0-3/2)
Campanella sp. (0-3/2) 0-0/1)
Carchesium sp. ( 0-0/1)
(
Carchesium sp.
Vortice11a sp. (4-4/2)
Vortice11a sp. (4-4/2)
                      -Indet. (0-1/2)
-Indet. (0-1/2)
NEMATODA
NEMATODA
{                       Indet. (1-0/1)
{
ROTATORIA Ascomorpha prob. ovalis (0-0/1)                                     '
Indet. (1-0/1)
ROTATORIA Ascomorpha prob. ovalis (0-0/1)
Ascomor?ha sp. (1-0/3)
Ascomor?ha sp. (1-0/3)
Asplancina sp. (2-1/2)
Asplancina sp. (2-1/2)
Line 2,253: Line 4,635:
Conochilus unicornis (0-0/3)
Conochilus unicornis (0-0/3)
Euchlanis calpidia (1-0/0)
Euchlanis calpidia (1-0/0)
Euchlanis dilatata (0-1/0)                                                                         <
Euchlanis dilatata (0-1/0)
Euchlanis sp. (1-1/1)
Euchlanis sp. (1-1/1)
_Filinia sp. (2-1/0)
_Filinia sp. (2-1/0)
Kellicottia bostoniensis (0-0/1)
Kellicottia bostoniensis (0-0/1)
Kellicottia longispina (0-1/0)
Kellicottia longispina (0-1/0)
;                        Keratella cochlearis (6-3/4)
Keratella cochlearis (6-3/4)
Keratella quadrata (1-0/1)
Keratella quadrata (1-0/1)
Keratella sp. (1-0/1)                                                                             -
Keratella sp. (1-0/1)
Lecane luna (0-0/1)
Lecane luna (0-0/1)
Monostyla bulla (1-0/0)
Monostyla bulla (1-0/0)
                      .Notholca sp. (0-0/1)
.Notholca sp. (0-0/1)
Philodina sp. - (8-10/0)
Philodina sp. - (8-10/0)
Ploesoma sp. (3-5/1) 4
Ploesoma sp. (3-5/1) 4
;                                                                                    -124-
-124-


TABLE 5.7-1 ROTATORIA (continued)
TABLE 5.7-1 ROTATORIA (continued)
Line 2,277: Line 4,659:
TARDIGRADA Indet. (0-1/1)
TARDIGRADA Indet. (0-1/1)
ANNELIDA Indet. Aeolosomatidae (0-1/0)
ANNELIDA Indet. Aeolosomatidae (0-1/0)
ARTHROPODA Crustacea
ARTHROPODA Crustacea Cladocera Alona gutatta (0-0/1)
;      Cladocera Alona gutatta (0-0/1)
Alona sp. (1-1/0)
Alona sp. (1-1/0)
,        Bosmina longirostris (2-1/0)
Bosmina longirostris (2-1/0)
Bosmina sp. (1-1/0)
Bosmina sp. (1-1/0)
Ceriodaphnia (1-0/0)
Ceriodaphnia (1-0/0)
Chydorus sphaericus (0-1/l)                     .
Chydorus sphaericus (0-1/l)
Chydorus sp. (0-0/1)     '
Chydorus sp. (0-0/1)
Daphnia pulex (0-1/0)
Daphnia pulex (0-1/0)
Daphnia sp. (1-0/0)
Daphnia sp. (1-0/0)
Line 2,293: Line 4,674:
Insecta Diptera Chironomidae Indet. larvae (0-0/1)
Insecta Diptera Chironomidae Indet. larvae (0-0/1)
R' l
R' l
                              -125-w-
-125-w-


?
?
Line 2,299: Line 4,680:
i SECTION 6 ENTRAINMENT STUDIES i
i SECTION 6 ENTRAINMENT STUDIES i
l
l
: 6. ENTRAINMENT STUDIES                                           u To assess the impact of entrainment on phytoplankton and zooplankton in Vermont Yankee's condenser cooling water, nine sets of condenser cooling water intake and discharge samples were collected in 1982 at times when Vermont Yankee was utiliz-ing open cycle condenser cooling.         Eight were collected during times of Vermont Yankee's open cycle operation under the condi-tions of its NPDES permit.     The sample of October 7 was collect-ed during the September 15 to October 15 operation in hybrid /
 
6.
ENTRAINMENT STUDIES u
To assess the impact of entrainment on phytoplankton and zooplankton in Vermont Yankee's condenser cooling water, nine sets of condenser cooling water intake and discharge samples were collected in 1982 at times when Vermont Yankee was utiliz-ing open cycle condenser cooling.
Eight were collected during times of Vermont Yankee's open cycle operation under the condi-tions of its NPDES permit.
The sample of October 7 was collect-ed during the September 15 to October 15 operation in hybrid /
open cycle operation during the special study program termed Project SAVE.
open cycle operation during the special study program termed Project SAVE.
For each sample, 40 liters of water, collected by bucket, were poured through a No. 20 mesh plankton net. A portion of the fresh sample concentrate was examined within the hour to determine the identity and relative numbers of living and dead organisms. Zooplankters were tabulated as living if they were observed to move or showed internal movement within one minute.
For each sample, 40 liters of water, collected by bucket, were poured through a No. 20 mesh plankton net.
Phytoplankters were listed as living if they had normal pigmenta-tion ~and no signs of plasmolysis.       The remaining portion of each sample was preserved with formalin for subsequent identi-fication and enumeration of the organisms present.
A portion of the fresh sample concentrate was examined within the hour to determine the identity and relative numbers of living and dead organisms.
The taxa of phytoplankton and zooplankton found in the en-trainment intake samples in 1982 are indicated in the two check-lists, Tables 5.3 and 5.7, of the previous section of this re-
Zooplankters were tabulated as living if they were observed to move or showed internal movement within one minute.
-      port. In those lists, the third number in parenthesis after each taxon is the number of sample dates, of a total of 9, on which the taxon was observed in an intake sample. In general, the same taxa were observed in discharge samples as were found in river samples. Twelve algal genera, however, were observed in discharge samples in 1982 that were not found in the intake
Phytoplankters were listed as living if they had normal pigmenta-tion ~and no signs of plasmolysis.
                                          -127-
The remaining portion of each sample was preserved with formalin for subsequent identi-fication and enumeration of the organisms present.
  ----y                   e- ,yn-  -- w-  . -
The taxa of phytoplankton and zooplankton found in the en-trainment intake samples in 1982 are indicated in the two check-lists, Tables 5.3 and 5.7, of the previous section of this re-port.
* v- r ---- + - P           '=r*e -' *
In those lists, the third number in parenthesis after each taxon is the number of sample dates, of a total of 9, on which the taxon was observed in an intake sample.
* r-e+ -'
In general, the same taxa were observed in discharge samples as were found in river samples.
Twelve algal genera, however, were observed in discharge samples in 1982 that were not found in the intake
-127-
----y e-
,yn-w-
v-r ---- + -
4'r-v^~rM P
P
--s-ew7 7-'=r*e r-e+


samples. Of these twelve, three were diatoms, two were flag-ellates, five were green algae, and two were blue-greens. Two genera of zooplankton, Conochiloides and Bosmina, were found in discharge samples, but not in intake samples.
samples.
The counting results of the analysis of the fresh and pre-served entrainment samples are summarized in Table 6.1. The data of Table 6.1 have been used to calculate the percent changes in live plankton concentrations between intake and dis-charge samples shown in Table 6.2.
Of these twelve, three were diatoms, two were flag-ellates, five were green algae, and two were blue-greens.
The impact of Vermont Yankee's entrainment of plankton on the river's concentration of live plankton is dependent upon the proportion of river. flow, Og, which is utilized as conden-ser cooling water. During open cycle operation, plant discharge flow rate, QD , equals the rate of intake from the river, thus percent change of plankton concentration in the mixed river is the percent change through the plant, Table 6.2, multiplied by the ratio of Q D to Q R. Calculations of the percent changes in river plankton concentrations due to entrainment on the 9 study dates of 1982 are shown in Table 6.3. These calculations assume uniform distribution of river plankton at the intake structure and complete mixing of plant discharge into the river.
Two genera of zooplankton, Conochiloides and Bosmina, were found in discharge samples, but not in intake samples.
All calculated percentage decreases in river plankton con-centrations were less than 10%. Higher concentrations of living organisms in discharge samples than in intake samples were found on 6 of the 9 dates for phytoplankton and on 4 of l
The counting results of the analysis of the fresh and pre-served entrainment samples are summarized in Table 6.1.
l the 9 dates for zooplankton. Such increases in live plankton concentration, which have been observed in all prior years of study, are attributable to the sloughing off into Vermont Yan-   l kee's circulating cooling water of algal growth attached to the walls of the cooling water system, growth that supports a community of microinvertebrates.                               ,
The data of Table 6.1 have been used to calculate the percent changes in live plankton concentrations between intake and dis-charge samples shown in Table 6.2.
                              -128-
The impact of Vermont Yankee's entrainment of plankton on the river's concentration of live plankton is dependent upon the proportion of river. flow, Og, which is utilized as conden-ser cooling water.
During open cycle operation, plant discharge flow rate, Q, equals the rate of intake from the river, thus D
percent change of plankton concentration in the mixed river is the percent change through the plant, Table 6.2, multiplied by the ratio of Q to Q.
Calculations of the percent changes in D
R river plankton concentrations due to entrainment on the 9 study dates of 1982 are shown in Table 6.3.
These calculations assume uniform distribution of river plankton at the intake structure and complete mixing of plant discharge into the river.
All calculated percentage decreases in river plankton con-centrations were less than 10%.
Higher concentrations of living organisms in discharge samples than in intake samples l
were found on 6 of the 9 dates for phytoplankton and on 4 of l
the 9 dates for zooplankton.
Such increases in live plankton concentration, which have been observed in all prior years of study, are attributable to the sloughing off into Vermont Yan-kee's circulating cooling water of algal growth attached to the walls of the cooling water system, growth that supports a community of microinvertebrates.
-128-


TABLE 6.1
TABLE 6.1


==SUMMARY==
==SUMMARY==
OF RESULTS VERMONT YANKEE ENTRAINMENT STUDIES 1982 Power                     Percent Living. Organisms     Number Organisms / Liter Level Condenser   Sample         (Fresh Sample)             (Preserved Sample)
OF RESULTS VERMONT YANKEE ENTRAINMENT STUDIES 1982 Power Percent Living. Organisms Number Organisms / Liter Level Condenser Sample (Fresh Sample)
Date   (%)   AT (
(Preserved Sample)
* F) Location Phytoplankton Zooplankton   Phytoplankton Zooplankton 1/15 99.7       27.1 Intake           59           100           32           0.8 Discharge       93             25         566           2.2 2/17 99.8       22.0 Intake           83           100           27           3.2-Discharge       78             77         694           6.8
Date
, 3/11 99.6       22.0 Intake           69           100           14           0.8 Discharge        98            50          934          -0.8
(%)
AT (
* F)
Location Phytoplankton Zooplankton Phytoplankton Zooplankton 1/15 99.7 27.1 Intake 59 100 32 0.8 Discharge 93 25 566 2.2 2/17 99.8 22.0 Intake 83 100 27 3.2-Discharge 78 77 694 6.8 3/11 99.6 22.0 Intake 69 100 14 0.8
[
[
4/8   99.9       21.5 Intake           53           100           28           0.1-Discharge       78             83         515           1.5 5/20 96.2       21.5 Intake           91             88-         822           6.0 Discharge       85             40         192           0.8 10/7 99.7       22.0 Intake           98             39         1160           10.0 Discharge       99             35         436           5.8 10/26 99.2       20.5 Intake-         99             42         134           1.8 Discharge       96             57         234           5.5 11/18 99.7       21.6 Intake           98             80         190           2.0 Discharge       97             75         138           0.5 12/15 99.6       26.9 Intake           94             75         162           2.5 Discharge       99             80         853           4.5
Discharge 98 50 934
-0.8 4/8 99.9 21.5 Intake 53 100 28 0.1-Discharge 78 83 515 1.5 5/20 96.2 21.5 Intake 91 88-822 6.0 Discharge 85 40 192 0.8 10/7 99.7 22.0 Intake 98 39 1160 10.0 Discharge 99 35 436 5.8 10/26 99.2 20.5 Intake-99 42 134 1.8 Discharge 96 57 234 5.5 11/18 99.7 21.6 Intake 98 80 190 2.0 Discharge 97 75 138 0.5 12/15 99.6 26.9 Intake 94 75 162 2.5 Discharge 99 80 853 4.5


TABLE 6.2 PERCENT CHANGES IN LIVE PLANKTON CONCENTRATIONS BETWEEN ENTRAINMENT INTAKE AND DISCHARGE SAMPLES 1982 Living Organisms per Liter         % Change Date       Parameter       Discharge   -
TABLE 6.2 PERCENT CHANGES IN LIVE PLANKTON CONCENTRATIONS BETWEEN ENTRAINMENT INTAKE AND DISCHARGE SAMPLES 1982 Living Organisms per Liter
Intake = Difference   Thru Plant
% Change Date Parameter Discharge Intake Difference Thru Plant
.            1/15     Phytoplankton         526           19       +507       +2700 Zooplankton           0.6           d.8       -0.2         -25 2/17     Phytoplankton         541           22       +519       +2400 Zooplankton           5.2           3.2       +2.0         +62 3/11     Phytoplankton         915           10       +905       +9000 Zooplankton           0.4           0.8       -0.4         -50 4/8     Phytoplankton         402           15       +387       +2600
=
[l         Zooplankton           1.2           0.1       +1.1       +1100 i 5/20     Phytoplankton         163           748       -585         -78 Zooplankton           0.3           5.3       -5.0         -94 10/7     Phytoplankton         432         1137       -705         -62 Zooplankton           2.0           3.9       -1.9         -49 10/26   Phytoplankton         225           133       +92         +69 Zooplankton           3.1           0.8       +2.3         +290 i
1/15 Phytoplankton 526 19
11/18   Phytoplankton         134           186       -52         -28 i
+507
Zooplankton           0.4           1.6       -1.2         -75 12/15   Phytoplankton         844           152       +692         +460 Zooplankton           3.6           1.9       +1.7           +89 i
+2700 Zooplankton 0.6 d.8
-0.2
-25 2/17 Phytoplankton 541 22
+519
+2400 Zooplankton 5.2 3.2
+2.0
+62 3/11 Phytoplankton 915 10
+905
+9000 Zooplankton 0.4 0.8
-0.4
-50 4/8 Phytoplankton 402 15
+387
+2600
[l Zooplankton 1.2 0.1
+1.1
+1100 i
5/20 Phytoplankton 163 748
-585
-78 Zooplankton 0.3 5.3
-5.0
-94 10/7 Phytoplankton 432 1137
-705
-62 Zooplankton 2.0 3.9
-1.9
-49 10/26 Phytoplankton 225 133
+92
+69 Zooplankton 3.1 0.8
+2.3
+290 i
11/18 Phytoplankton 134 186
-52
-28 Zooplankton 0.4 1.6
-1.2
-75 i
12/15 Phytoplankton 844 152
+692
+460 Zooplankton 3.6 1.9
+1.7
+89 i


L
L TABLE 6.3 CALCULATED PERCENT CHANGES IN LIVE PLANKTON CONCENTRATIONS OF RIVER EFFECTED BY ENTRAINMENT
                                        -                                        TABLE 6.3 CALCULATED PERCENT CHANGES IN LIVE PLANKTON CONCENTRATIONS OF RIVER EFFECTED BY ENTRAINMENT
'1982 River Percent Change in-Live Plankton Percent Discharge Flow Concentrations in Mixed River Date Recirculation OD (cfs)
                                                                                    '1982 River       Percent Change in-Live Plankton Percent             Discharge         Flow         Concentrations in Mixed River Date       Recirculation         OD (cfs)       OR (cfs)       Phytoplankton   Zooplankton 1/15               0               590             10140             +160           -1.5 4
OR (cfs)
2/17             18                 595             10790             +130           +3.4 3/11               0               726             11060             +590           -3.3 l                                   4/8             20                 593             15670               +98             +42 i
Phytoplankton Zooplankton 1/15 0
    #                              5/20               0               720             7720             -7.3           -8.8 i                                   10/7             20                 620             4060             -9.5           -7.5 10/26               0               776             5740             +9.3             +39 11/18               0               741             10680             -1.9           -5.2 12/15               0               594             5640               +48           +9.4 i
590 10140
+160
-1.5 2/17 18 595 10790
+130
+3.4 4
3/11 0
726 11060
+590
-3.3 l
4/8 20 593 15670
+98
+42 5/20 0
720 7720
-7.3
-8.8 i
10/7 20 620 4060
-9.5
-7.5 i
10/26 0
776 5740
+9.3
+39 11/18 0
741 10680
-1.9
-5.2 12/15 0
594 5640
+48
+9.4 i
i I
i I


Line 2,344: Line 4,818:
SECTION 7 BENTHIC FAUNA STUDIES t
SECTION 7 BENTHIC FAUNA STUDIES t
L i
L i
  -m--- - -
-m---
: 7. BENTHIC FAUNA STUDIES In compliance with the conditions of Vermont Yankee's NPDES permit, samples of Connecticut River benthos were collected by Ekman dredge and Henson trap at four sample stations shown in Figure 7.1. Ekman dredge samples were collected monthly, from May through November, at each of the four stations. Each Ekman dredge sample consisted of the organisms collected in 30 dredge hauls, 10 from each quarter point of the river, except that high river flows in May precluded collection of the 10 mid-river hauls at Station 3. Henson traps, wire cages filled with 2 to 3 inch diameter rocks, were set at each location in May, July, and Sep-tember and left in place for 7 to 11 weeks. The traps set at Station 3 in May and at Station 5 in July were vandalized before retrieval.
 
The material collected by either sample method was washed through a set of standard sieves and organisms and debris retain-ed by a No. 30 mesh sieve were preserved in 70% alcohol for sub-sequent analysis. Identification was made to the lowest practi-cable taxonomic level, usually to genus.
7.
A list of the benthic fauna found in these 1982 samples is given in Table 7.1 at the end of this section of the report. The number of samples in which a listed taxon was found is shown in the table for each sampling technique at each station.
BENTHIC FAUNA STUDIES In compliance with the conditions of Vermont Yankee's NPDES permit, samples of Connecticut River benthos were collected by Ekman dredge and Henson trap at four sample stations shown in Figure 7.1.
Excluding the organisms listed as indeterminate that are not known positively to be different from other identified taxa, 145 taxa were found in the 1982 samples. Fifty-six taxa were observed in the Station 2 samples, 57 in the Station 3 samples, 77 in the Station 4 samples, and 85 taxa were found in the samples at Sta-tion 5. Of the 120 genera found in the 1982 samples, 73 were observed in the 10 Henson trap samples, and 99 were found in the
Ekman dredge samples were collected monthly, from May through November, at each of the four stations.
                                -133-
Each Ekman dredge sample consisted of the organisms collected in 30 dredge hauls, 10 from each quarter point of the river, except that high river flows in May precluded collection of the 10 mid-river hauls at Station 3.
Henson traps, wire cages filled with 2 to 3 inch diameter rocks, were set at each location in May, July, and Sep-tember and left in place for 7 to 11 weeks.
The traps set at Station 3 in May and at Station 5 in July were vandalized before retrieval.
The material collected by either sample method was washed through a set of standard sieves and organisms and debris retain-ed by a No. 30 mesh sieve were preserved in 70% alcohol for sub-sequent analysis.
Identification was made to the lowest practi-cable taxonomic level, usually to genus.
A list of the benthic fauna found in these 1982 samples is given in Table 7.1 at the end of this section of the report.
The number of samples in which a listed taxon was found is shown in the table for each sampling technique at each station.
Excluding the organisms listed as indeterminate that are not known positively to be different from other identified taxa, 145 taxa were found in the 1982 samples.
Fifty-six taxa were observed in the Station 2 samples, 57 in the Station 3 samples, 77 in the Station 4 samples, and 85 taxa were found in the samples at Sta-tion 5.
Of the 120 genera found in the 1982 samples, 73 were observed in the 10 Henson trap samples, and 99 were found in the
-133-


n                                     r BENTHIC FAUNA yl t l   l SAMPLE STATION LOCATIONS O
n r
g                               -
yl BENTHIC FAUNA t
o                   I SCALE IN MILES i '
l l
en 9.
SAMPLE STATION LOCATIONS O
vermont Yankee               S NEW HAMPSHIRE L
g i
o I
SCALE IN MILES en 9.%;
vermont Yankee S
NEW HAMPSHIRE L
VERMONT 3
VERMONT 3
2 i
2 i
1 M A SS ACHUSETTS FIGURE 7.1
M A SS ACHUSETTS FIGURE 7.1
                                                -134-
-134-


28 samples collected by Ekman dredge. Fifty-two genera were collected by both sampling techniques, 21 were observed only in the Henson trap collections, and 47 were found only in the Ekman dredge samples.
28 samples collected by Ekman dredge.
The number of samples collected by Ekman dredge in 1982 was comparable to the numbers collected at Stations 2 through 5 in the years 1969 and 1977-81. A comparison of the number of genera collected by Ekman dredge in these years with the results of the 1982 collections is shown in Table 7.2.
Fifty-two genera were collected by both sampling techniques, 21 were observed only in the Henson trap collections, and 47 were found only in the Ekman dredge samples.
TABLE 7.2 COMPARISON OF NUMBER OF SAMPLES AND NUMBER OF GENERA OF BENTHOS COLLECTED BY EKMAN DREDGE Station                 Number of Samples / Number of Genera Number           1969   1977   1978   1979   1980   1981   1982 2             6/23   8/20   8/22   7/27   7/36   7/40   7/39 3             6/24   8/25   8/13   7/26   7/39   6/41   7/43 4             7/16   8/19   8/17   7/26   7/30   7/35   7/54 5             8/18   8/20   6/14   7/28   7/25   7/44   7/56 The number of genera observed in 1982 was greater at Stations 3, 4, and 5 than in earlier years. The number observed in 1982 at Station 2 was only one less than the 40 genera observed there in the 1981 samples.
The number of samples collected by Ekman dredge in 1982 was comparable to the numbers collected at Stations 2 through 5 in the years 1969 and 1977-81.
The results of the analysis of the 1982 benthic fauna samples l are summarized in Table 7.3. The summary shows, for each sample, the number of organisms and taxa observed and lists the predominant l type of benthos in the sample and the percentage of that form in the sample. A diversity index is also tabulated for each sample.
A comparison of the number of genera collected by Ekman dredge in these years with the results of the 1982 collections is shown in Table 7.2.
TABLE 7.2 COMPARISON OF NUMBER OF SAMPLES AND NUMBER OF GENERA OF BENTHOS COLLECTED BY EKMAN DREDGE Station Number of Samples / Number of Genera Number 1969 1977 1978 1979 1980 1981 1982 2
6/23 8/20 8/22 7/27 7/36 7/40 7/39 3
6/24 8/25 8/13 7/26 7/39 6/41 7/43 4
7/16 8/19 8/17 7/26 7/30 7/35 7/54 5
8/18 8/20 6/14 7/28 7/25 7/44 7/56 The number of genera observed in 1982 was greater at Stations 3, 4, and 5 than in earlier years.
The number observed in 1982 at Station 2 was only one less than the 40 genera observed there in the 1981 samples.
The results of the analysis of the 1982 benthic fauna samples l
are summarized in Table 7.3.
The summary shows, for each sample, the number of organisms and taxa observed and lists the predominant l
type of benthos in the sample and the percentage of that form in the sample.
A diversity index is also tabulated for each sample.
the index was calculated with the following equation:
the index was calculated with the following equation:
d=h(Nlog10 N       < ni log 10 ni) where C is a constant which converts logarithms from base 10 to
d=h(Nlog10 N
                                  -135-
< ni log 10 ni) where C is a constant which converts logarithms from base 10 to
-135-


i base 2; N is the number of_ organisms; and ni is the number of organisms in the i kh taxon.
i base 2; N is the number of_ organisms; and ni is the number of organisms in the i h taxon.
Chironomid larvae were the predominant organisms in 18 of L
k L
1
Chironomid larvae were the predominant organisms in 18 of 1
  ~ the 38 samples. They were relatively more numerous in the samples collected upstream of Vernon Dam than in the samples of Stations 2 and 3, downstream of the dam. At Station 5, chironomids were the l
~ the 38 samples.
predominant form observed in 8 of the 9 samples collected; at Station 4, in-7 of the 10 samples. Caddis fly larvae were the I
They were relatively more numerous in the samples collected upstream of Vernon Dam than in the samples of Stations 2 l
more numerous forms in 6 downstream samples, but in only one up-
and 3, downstream of the dam.
,  stream ~ sample,-the Henson trap collection at Station 4 in November.
At Station 5, chironomids were the predominant form observed in 8 of the 9 samples collected; at Station 4, in-7 of the 10 samples.
Caddis fly larvae were the I
more numerous forms in 6 downstream samples, but in only one up-stream ~ sample,-the Henson trap collection at Station 4 in November.
Cladocerans predominated in downstream samples of August and Sep-tember and planarians and amnicolid snails appeared as the dominant forms in some fall samples at all stations.
Cladocerans predominated in downstream samples of August and Sep-tember and planarians and amnicolid snails appeared as the dominant forms in some fall samples at all stations.
i i
i i
i l
i l
d
d
                                  -137-
-137-


TABLE 7.3-1
TABLE 7.3-1


==SUMMARY==
==SUMMARY==
OF RESULTS OF ANALYSIS BENTHIC FAUNA SAMPLES 1982 Sample Method                             Number of HNumber of   Number Diversity     Predominant Form (s)
OF RESULTS OF ANALYSIS BENTHIC FAUNA SAMPLES 1982 Sample Method Number of HNumber of Number Diversity Predominant Form (s)
HT (# Days)       Sample                 Benthic   Organisms     of     Index                     4 of Date ED (# Hauls)       Station               Organisms   per m2     Taxa     d         Names         Total 5/21 Ed (30 hauls)                   2             22         14         9     2.99   Caddis' flies         36 ED (20 hauls)                   3             42         40       18     3.81   Chironomids           6 T' 5/11 ED (30 hauls)                   4             4=         3         2     0.81   Clams.               100 ED (30 hauls)                   5             20         13       13     3.45   Chironomids           30 6/11 ED (30 hauls)                   2             28         1P.       7     1.91   Caddis flies         21 m             ED (30. hauls)                 3             43         27       12     3.01   Caddis flies         56 6/7   ED (30 hauls)                   4-             9           6         7     2.64   Chironomids           67 ED (30 hauls)                   5             90         57       15     3.58   Chironomids           69 7/28 HT (78 days)                   2             14           -
HT (# Days)
5    1.99   Alderflies           43 7/29 HT (79 days)                   4             87           -
Sample Benthic Organisms of Index 4 of Date ED (# Hauls)
14     2.94   Chironomids           70 HT (79 days).                   5           587           -
Station Organisms per m2 Taxa d
20     2.26   Chironomids           62 7/29 ED (30 hauls)                   2             66         42       18     3.62   Caddis flies         39 ED (30 hauls)                   3             20         13       12     3.48   Chironomids           50 ED (30 hauls)                   4           128         82       21     3.77   'Chironomids.         43 ED (30 hauls)                   5             63         40       13     3.09   Chironomids           44 8/24 ED (30 hauls)                   2           402         256       27     3.55   Cladocerans           25 ED (30 hauls)                   3           124         79         9     2.15   Cladocerans           52 ED (30 hauls)                   4           244       156         30     3.93   Chironomids           36 ED (30 hauls)                   5           170       108         27-   3.84   Chironomids           39'
Names Total 5/21 Ed (30 hauls) 2 22 14 9
                      -t__._ _ - , _ .- ~ ~ ' ' ~ ~ ~ '
2.99 Caddis' flies 36 ED (20 hauls) 3 42 40 18 3.81 Chironomids 6 T' 5/11 ED (30 hauls) 4 4=
3 2
0.81 Clams.
100 ED (30 hauls) 5 20 13 13 3.45 Chironomids 30 6/11 ED (30 hauls) 2 28 1P.
7 1.91 Caddis flies 21 m
ED (30. hauls) 3 43 27 12 3.01 Caddis flies 56 6/7 ED (30 hauls) 4-9 6
7 2.64 Chironomids 67 ED (30 hauls) 5 90 57 15 3.58 Chironomids 69 7/28 HT (78 days) 2 14 5
1.99 Alderflies 43 7/29 HT (79 days) 4 87 14 2.94 Chironomids 70 HT (79 days).
5 587 20 2.26 Chironomids 62 7/29 ED (30 hauls) 2 66 42 18 3.62 Caddis flies 39 ED (30 hauls) 3 20 13 12 3.48 Chironomids 50 ED (30 hauls) 4 128 82 21 3.77
'Chironomids.
43 ED (30 hauls) 5 63 40 13 3.09 Chironomids 44 8/24 ED (30 hauls) 2 402 256 27 3.55 Cladocerans 25 ED (30 hauls) 3 124 79 9
2.15 Cladocerans 52 ED (30 hauls) 4 244 156 30 3.93 Chironomids 36 ED (30 hauls) 5 170 108 27-3.84 Chironomids 39'
-t
-, _.- ~ ~ ' ' ~ ~ ~ '


                                                        -        .    . ~     - . . -.            .  .        .
. ~
TABLE 7.3-2.                                            .
TABLE 7.3-2.


==SUMMARY==
==SUMMARY==
OF RESULTS OF ANALYSIS BENTHIC FAUNA SAMPLES 1982 Sample Method               Number of   Number of   Number   Diversity           Predominant Form (s)
OF RESULTS OF ANALYSIS BENTHIC FAUNA SAMPLES 1982 Sample Method Number of Number of Number Diversity Predominant Form (s)
HT (l' Days)     Sample     Benthic   Organisms     of         Index                             % of Date ED (4 Hauls)     Station   Organisms     per m2     Taxa           d               Names         Total 9/29 HT (63 days)       2         503           -
HT (l' Days)
                                                              -16        2.45          Cladocerans          45  i HT (63 days)       3         400           -
Sample Benthic Organisms of Index
17         1.84           Caddis flies         55 9/28 HT (61 days)       4         196           -
% of Date ED (4 Hauls)
23         3.29           Planarians           28 i 9/29 ED (30 hauls)       2         184       117         14         2.32           Planarians           54
Station Organisms per m2 Taxa d
[         ED (30 hauls)       3         29         18         10         3.25           Caddis flies         21 e                                                                                         Bryozoans           21 9/28 ED (30 hauls)       4         145         92         19         3.24           Chironomids         35 ED (30 hauls)       5         212       135         27         3.68           Chironomids         50 10/28 ED (30 hauls)       2         60         38         9         1.94           Amnicolid snails     50 ED (30 hauls)       3         22         14         8         2.55           Amnicolid snails     32 10/27 ED (30 hauls)       4         58         37.       14         3.04           Chironomids         29 ED (30 hauls)       5         243       155.         18         2.42           Chironomids         70 11/16 HT (48 days)       2         28           -
Names Total
13         3.14           Chironomids         36 11/17 HT (49 days)       3         106           -
-16 2.45 Cladocerans 45 i
6        1.01           Amnicolid snails     78 HT (50 days)       4         472           -
9/29 HT (63 days) 2 503 HT (63 days) 3 400 17 1.84 Caddis flies 55 9/28 HT (61 days) 4 196 23 3.29 Planarians 28 i
                                                              .26         3.23           Caddis flies         30 HT (50 days)       5         243           -
9/29 ED (30 hauls) 2 184 117 14 2.32 Planarians 54
22         3.23           Planarians           35 11/16 ED (30 hauls)       2         77         49         8         1.03           Planarians           84 11/17 ED (30 hauls)       3         45         29         11         2.66           Caddis flies         38 ED (30 haulo)       4         134         85         22         3.53           Chironomids         37 ED (30 hauls)       5         159       101         19       3.56           Chironomids         39
[
ED (30 hauls) 3 29 18 10 3.25 Caddis flies 21 e
Bryozoans 21 9/28 ED (30 hauls) 4 145 92 19 3.24 Chironomids 35 ED (30 hauls) 5 212 135 27 3.68 Chironomids 50 10/28 ED (30 hauls) 2 60 38 9
1.94 Amnicolid snails 50 ED (30 hauls) 3 22 14 8
2.55 Amnicolid snails 32 10/27 ED (30 hauls) 4 58 37.
14 3.04 Chironomids 29 ED (30 hauls) 5 243 155.
18 2.42 Chironomids 70 11/16 HT (48 days) 2 28 13 3.14 Chironomids 36 11/17 HT (49 days) 3 106 6
1.01 Amnicolid snails 78 HT (50 days) 4 472
.26 3.23 Caddis flies 30 HT (50 days) 5 243 22 3.23 Planarians 35 11/16 ED (30 hauls) 2 77 49 8
1.03 Planarians 84 11/17 ED (30 hauls) 3 45 29 11 2.66 Caddis flies 38 ED (30 haulo) 4 134 85 22 3.53 Chironomids 37 ED (30 hauls) 5 159 101 19 3.56 Chironomids 39


TABLE 7.1-1
TABLE 7.1-1 CHECKLIST OF THE. BENTHIC FAUNA 0F THE CONNECTICUT RIVER NEAR VERNON, VERMONT 1982 Number of samples in which a taxon was observed at each sample location in collections made by Henson trap and Ekman dredge Sample Station Number Collection Method (No. Samples Collected) i 2
  .                                                            CHECKLIST OF THE. BENTHIC FAUNA
3 4
;                                                                  0F THE CONNECTICUT RIVER NEAR VERNON, VERMONT 1982 Number of samples in which a taxon was observed at each sample location in collections made by Henson trap and Ekman dredge Sample Station Number Collection Method (No. Samples Collected) i 2           3           4           5 HT(3) ED(7)   HT(2) ED(7) HT(3) ED(7) HT(2) ED(7)
5 HT(3) ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2) ED(7)
P0RIFERA (Sponges)
P0RIFERA (Sponges)
Demospongea
Demospongea d.
,  d.       Spongillidae
Spongillidae Indet.
    $                              Indet.                                     1     0     0     0     0     0     0     0 I
1 0
C0ELENTERATA (Hydroids, Jellyfish)
0 0
Hydrozoa Hydroidea Hydridae Indet. polyp                                 2     1     1     1     2     0     2     0 4
0 0
0 0
I C0ELENTERATA (Hydroids, Jellyfish)
Hydrozoa Hydroidea Hydridae Indet. polyp 2
1 1
1 2
0 2
0 4
PLATYHELMINTHES Turbellaria ( Fl a two rms )
PLATYHELMINTHES Turbellaria ( Fl a two rms )
Tricladida Planariidae
Tricladida Planariidae Dugesia tigrina 2
;                              Dugesia tigrina                               2     4     2     5     3     3     2     2 BRY0Z0A (Moss Animacules)
4 2
Gymnolaemata Paludicella articulata                         1     0     0     0     0     0     0     0.
5 3
l                               Paludicella sp.                               1     0     0     3     0     0     0     0 Phylactolaemata
3 2
:                            Cristatella sp.                                 1     1     0     0     0     0     0     0
2 BRY0Z0A (Moss Animacules)
          .                    Fredericella _s_ul tana                       0     0     1     0. 0     0     0     0 Fredericella sp.                               0     0     0     1     0     0     0     0
Gymnolaemata Paludicella articulata 1
0 0
0 0
0 0
0.
l Paludicella sp.
1 0
0 3
0 0
0 0
Phylactolaemata Cristatella sp.
1 1
0 0
0 0
0 0
Fredericella _s_ul tana 0
0 1
0.
0 0
0 0
Fredericella sp.
0 0
0 1
0 0
0 0


9
9 TABLE 7.1-2 I
:                                                                TABLE 7.1-2 I                                                                                       Sample Station Number Collection Method (No. Samples Collected) l                                                                               2             3             4             5 l                                                                     HT(3) ED(7)       HT(2) ED(7). HT(3) ED(7)- HT(2) ED(7)
Sample Station Number Collection Method (No. Samples Collected) l 2
3 4
5 l
HT(3) ED(7)
HT(2) ED(7). HT(3) ED(7)- HT(2) ED(7)
BRYOZ0A (continued)
BRYOZ0A (continued)
Hyalinella punctata-                     0     0       1       0     0     0     0     0
Hyalinella punctata-0 0
;                                'Lophopodella sp.                         0-     1       0       0     0     0     0     0
1 0
'                                  Pectinatella magnifica                   0             0       0     0     0             0 1                                _0 Pectinatella sp.                         1-     0       0       0     0     0     0     0 Plumatella repens                         0     0       0       1     0     0     0     0 Plumatella sp.                           0     0       0       2     0     0'     O     O
0 0
;                                  Indet.                .
0 0
0     0       1       1     0     0     0     0 l                                 Indet. BRY0Z0A                           0     2       0       1     0~   -1     0     0 l                       ANNELIDA Oligochaeta (Aquatic Earthworms)
'Lophopodella sp.
0-1 0
0 0
0 0
0 Pectinatella magnifica 0
1 0
0 0
0
_0 0
Pectinatella sp.
1-0 0
0 0
0 0
0 Plumatella repens 0
0 0
1 0
0 0
0 Plumatella sp.
0 0
0 2
0 0'
O O
Indet.
0 0
1 1
0 0
0 0
l Indet. BRY0Z0A 0
2 0
1 0~
-1 0
0 l
ANNELIDA
~
~
d,
d, Oligochaeta (Aquatic Earthworms)
                  $i       Plesiopora
Plesiopora i
!'                            Naididae i                                 Pristina sp.                             1     2       1       2     1     2     0     2 Stylaria sp.                             0     0       0       0     0     1     0     0     i i                                 Indet.                                   0     0       0       0     0     1     0     0 r
Naididae i
Tubificidae Branchiura sowerbyi                       0     0       0       1     0     2     0     1 Limnodrilus sp.                           1     4       0       3     2     6     1     4 i                                 Tubifex sp.                               1     0       0       0     0     1     0     1
Pristina sp.
:                                  Indet.                                   0     0       0       0     0     1     0     O     ;
1 2
1                           Prosopora i                             Lumbriculidae i                                 Lumbriculus inconstans                   0     1       0       0     0     0     0     0 i                                  Lumbriculus sp.                           0     1       0       1     1     1     0     2 Indet. Oligochaeta                       0     l'     0       1     0     0     0     1
1 2
:                          Hirudinea (Leeches)
1 2
Rhynchobdellida Glossiphonidae
0 2
,                                  Helobdella stagnalis                     0     0       0       0     0     1     0     0 Helobdella sp.                           0     0       0       0     0     2     0     1 0.
Stylaria sp.
Placobdella sp.                           0     0       0       0           0     1     1 I                                                                                                                                   e
0 0
0 0
0 1
0 0
i i
Indet.
0 0
0 0
0 1
0 0
Tubificidae r
Branchiura sowerbyi 0
0 0
1 0
2 0
1 Limnodrilus sp.
1 4
0 3
2 6
1 4
i Tubifex sp.
1 0
0 0
0 1
0 1
Indet.
0 0
0 0
0 1
0 O
Prosopora 1
i Lumbriculidae i
Lumbriculus inconstans 0
1 0
0 0
0 0
0 Lumbriculus sp.
0 1
0 1
1 1
0 2
i Indet. Oligochaeta 0
l' 0
1 0
0 0
1 Hirudinea (Leeches)
Rhynchobdellida Glossiphonidae Helobdella stagnalis 0
0 0
0 0
1 0
0 Helobdella sp.
0 0
0 0
0 2
0 1
Placobdella sp.
0 0
0 0
0.
0 1
1 I
e


                                                                                                                                ~                   . _ . . - _-_
~
TABLE 7.1-3 Sample Station Number Collection _ Method (No. Samples Collected) 2                     .
TABLE 7.1-3 Sample Station Number Collection _ Method (No. Samples Collected) 2 3
3                  4                     5 HT(3) ED(7)         HT(2) ED(7)       HT(3) ED(7)             HT(2).ED(7)
4 5
HT(3) ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2).ED(7)
ANNELIDA.(continued)
ANNELIDA.(continued)
Hirudinea (Leeches)
Hirudinea (Leeches)
Rhynchobde111da Piscicolidae Piscicola sp.                                                 0         0             0     1       0           ~0             0   :0 ARTHROPODA Arachnoidea Hydracarina.(Water Mites)
Rhynchobde111da Piscicolidae Piscicola sp.
Hydrachnidae Hydrachna sp.                                                 0         0             0     0       0           0             0     1 4                   Indet. Hydracarina                                           0         0             0     0         1           3-           0-   3 C     Crustacea i      Cladocera_(Water Fleas)
0 0
Daphnidae Indet.                                                       2         2             2     2       2           4-           2     4 Indet. Cladocera                                             0         0             0     0         1-         0             0     0 Isopoda (aquatic Sow Bugs)
0 1
Asellidae Asellus1sp.-                                                 0         0             0     1         3           1             0     2 Amphipoda (Scuds)
0
Taltridae Hyalella azteca                                               0         0             0     0       0-           1             0'   0 Indet. Amphipoda                                             1         0             0     0       2.           0             1     0 Decapoda (Crayfish)
~0 0
Astacidae-Orconectes'limosus                                           0         0             0     0       1           0             1     0 Cambaridae Indet.                                                       2         0             0     0       1           0-           0     0 Insecta Plecoptera (Stoneflies)
:0 ARTHROPODA Arachnoidea Hydracarina.(Water Mites)
Perlidae Neophasganophora sp.                                         0         0             0     0       0           0-           1     0
Hydrachnidae Hydrachna sp.
                  - - - - _            _    _ _ _ _ _ _ _ _ .                    , _            - - .                                      .~.              .        -.
0 0
0 0
0 0
0 1
4 Indet. Hydracarina 0
0 0
0 1
3-0-
3 C
Crustacea Cladocera_(Water Fleas) i Daphnidae Indet.
2 2
2 2
2 4-2 4
Indet. Cladocera 0
0 0
0 1-0 0
0 Isopoda (aquatic Sow Bugs)
Asellidae Asellus1sp.-
0 0
0 1
3 1
0 2
Amphipoda (Scuds)
Taltridae Hyalella azteca 0
0 0
0 0-1 0'
0 Indet. Amphipoda 1
0 0
0 2.
0 1
0 Decapoda (Crayfish)
Astacidae-Orconectes'limosus 0
0 0
0 1
0 1
0 Cambaridae Indet.
2 0
0 0
1 0-0 0
Insecta Plecoptera (Stoneflies)
Perlidae Neophasganophora sp.
0 0
0 0
0 0-1 0
.~.


TABLE 7.1-4 Sample Station Number Collection Method (No. Samples Collected) 2           3           4           5 HT(3) ED(7)   HT(2) ED(7) HT(3) ED(7) HT(2) ED(7)
TABLE 7.1-4 Sample Station Number Collection Method (No. Samples Collected) 2 3
4 5
HT(3) ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2) ED(7)
ARTHROP0DA (continued)
ARTHROP0DA (continued)
Insecta Ephemeroptera (Mayflies)
Insecta Ephemeroptera (Mayflies)
Baetidae Baetis sp.                         0     1     0     1     0     0       0   0 Caenidae Brachycercus sp.                   0     1     0     0     0     1       0   1 Caenis sp.                         0     2     0     1     0     2       1   1 Ephemerellidae Ephemerella sp.                     0     2     0     1     0     0     -0   1 Ephemeridae E         Ephemera sp.                       0     0     0     0     0     0       0   1 0         Hexagenia limbata                   0     0     0     0     0     0       0   1 Hexagenia sp.                       0     1     0     0     0     4       1   4' Heptageniidae Stenonema sp.                       0     1     0     1     0     0       1   2 Indet.                             0     1     0     0     0     0       0   0 Polymitarcidae Ephoron sp.                         0     0     0     0     0     1       0   1 Potamanthidae Potamanthus sp.                     0     0     0     0     0     1       0   0 Tricorythidae Tricorythodes sp.                   0     1     0     0     0     0       1   0 Indet. Ephemeroptera               0     0     0     1     0     0       0   0 Odonata (Dragonflies, Damsel flies)
Baetidae Baetis sp.
Aeschnidae Boyeria sp.                       'O     O     0     0     1     0       0   0 Coenagrionidae Enallagma sp.                       0     0     1     0     0     0       1   0 Ischnura sp.                       1     0     1     0     1     0       1   0
0 1
0 1
0 0
0 0
Caenidae Brachycercus sp.
0 1
0 0
0 1
0 1
Caenis sp.
0 2
0 1
0 2
1 1
Ephemerellidae Ephemerella sp.
0 2
0 1
0 0
-0 1
Ephemeridae E
Ephemera sp.
0 0
0 0
0 0
0 1
0 Hexagenia limbata 0
0 0
0 0
0 0
1 Hexagenia sp.
0 1
0 0
0 4
1 4'
Heptageniidae Stenonema sp.
0 1
0 1
0 0
1 2
Indet.
0 1
0 0
0 0
0 0
Polymitarcidae Ephoron sp.
0 0
0 0
0 1
0 1
Potamanthidae Potamanthus sp.
0 0
0 0
0 1
0 0
Tricorythidae Tricorythodes sp.
0 1
0 0
0 0
1 0
Indet. Ephemeroptera 0
0 0
1 0
0 0
0 Odonata (Dragonflies, Damsel flies)
Aeschnidae Boyeria sp.
'O O
0 0
1 0
0 0
Coenagrionidae Enallagma sp.
0 0
1 0
0 0
1 0
Ischnura sp.
1 0
1 0
1 0
1 0


TABLE 7.1-5 Sample Station Number Collection Method (No. Samples Collected) 2             3           4             5 HT(3) ED(7)   HT(2) ED(7) HT(3) ED(7) HT(2) ED(7)
TABLE 7.1-5 Sample Station Number Collection Method (No. Samples Collected) 2 3
4 5
HT(3) ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2) ED(7)
ARTHROP0DA (continued)
ARTHROP0DA (continued)
Insecta Odonata (Draganflies, Damselflies)
Insecta Odonata (Draganflies, Damselflies)
Gomphidae Dromogomphus sp.                                 0     0       0     0     0     0     2     1 Gomphus sp.                                     0     0       0     0     0     1     0     .0 Libellulidae Libellula sp.                                   0     0       1     0     0     0     0     0 Pantala sp.                                     0     0       1     0     0     0     0     0 Macromiidae Macromia sp.                                     0     0       1     1     0     0     0     0 i                         Megaloptera ( Alderflies, Dobsonflies, 5                             Corydalidae                         Fishflies) i i                                Chauliodes sp.                                   0     1       0     0     0     0     1     0 4                                                                       Sialidae Sialis sp.                                       2     2       0     0     1     2     1     0 Trichoptera (Caddis Flies)
Gomphidae Dromogomphus sp.
Brachycentridae Micrasema sp.                                   0     0       0     1     0     0     0     0 Hydropsychidae Cheumatopsyche sp.                               1     7       2     6     0     0     0     0 Hydropsyche sp.                                 1     5       0     4     0     0     0     0 Macronema sp.                                   0     2       1     0     0     0     0     0 Indet.                                           0     2       0     0     0     0     0     0 Hydroptilidae Agraylea sp.                                     0     0       0     0     0     0     0     1 Hydroptila sp.                                   0     0       0     0     1     0     1     0 Leptoceridae Ceraclea sp.                                     0     1       0     2     0     0     1     0 Mystacides sp.                                   0     0       0     0     2     0     1     0 llectopsyche sp.                                 0     0       0     0     1     1     0     2
0 0
0 0
0 0
2 1
Gomphus sp.
0 0
0 0
0 1
0
.0 Libellulidae Libellula sp.
0 0
1 0
0 0
0 0
Pantala sp.
0 0
1 0
0 0
0 0
Macromiidae Macromia sp.
0 0
1 1
0 0
0 0
i Megaloptera ( Alderflies, Dobsonflies, 5
Corydalidae Fishflies) i Chauliodes sp.
0 1
0 0
0 0
1 0
i Sialidae 4
Sialis sp.
2 2
0 0
1 2
1 0
Trichoptera (Caddis Flies)
Brachycentridae Micrasema sp.
0 0
0 1
0 0
0 0
Hydropsychidae Cheumatopsyche sp.
1 7
2 6
0 0
0 0
Hydropsyche sp.
1 5
0 4
0 0
0 0
Macronema sp.
0 2
1 0
0 0
0 0
Indet.
0 2
0 0
0 0
0 0
Hydroptilidae Agraylea sp.
0 0
0 0
0 0
0 1
Hydroptila sp.
0 0
0 0
1 0
1 0
Leptoceridae Ceraclea sp.
0 1
0 2
0 0
1 0
Mystacides sp.
0 0
0 0
2 0
1 0
llectopsyche sp.
0 0
0 0
1 1
0 2


TABLE 7.1-6 Sample Station Number Collection Method (No. Samples Collected) 2           3           4             5 HT(3) ED(7)   HT(2) ED(7) HT(3) ED(7) HT(2) ED(7)
TABLE 7.1-6 Sample Station Number Collection Method (No. Samples Collected) 2 3
4 5
HT(3) ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2) ED(7)
ARTHROPODA (continued)
ARTHROPODA (continued)
Insecta Trichoptera (Caddis Flies)
Insecta Trichoptera (Caddis Flies)
Leptoceridae Oecetis sp.                           0     4     0     0     2     4     2   5 Triaenodes sp.                       0     0     0     0     1     0     0   0 Indet.                               0     1     0     0     0'     1     0   1 Molannidae Molanna sp.                           0     1     0     0     0     0     0-   0 Polycentropodidae Phylocentropus sp.                   0     0     0     0     2     0     0   2.
Leptoceridae Oecetis sp.
4
0 4
0 0
2 4
2 5
Triaenodes sp.
0 0
0 0
1 0
0 0
Indet.
0 1
0 0
0' 1
0 1
Molannidae Molanna sp.
0 1
0 0
0 0
0-0 Polycentropodidae Phylocentropus sp.
0 0
0 0
2 0
0 2.
4 Polycentropus sp.
0 0
0 1
2 1
2 2
^
^
Polycentropus sp.                    0      0      0    1      2      1      2    2 Sericostomatidae Y         Agarodes sp.  .
Sericostomatidae Y
0     0     0     0     1     0     0   0 Indet. Trichoptera                   0     1     0     1     0     1     1   0 Coleoptera (Beetles)
Agarodes sp.
Elmidae Dubiraphia sp.                       0     1     0     1     0     1     0   1 Optioservus sp.                       0     0     0     0     0     0     0   1 Rhizelmis sp.                         0     0     0     1     0     0'     0   2 Stenelmis sp.                         1     0     0     0     0     0     0   0 Hydrophilidae Berosus sp.                           0     0     1     0     0     0. 0   0 Diptera (Flies, Mosquitoes, Midges)
0 0
0 0
1 0
0 0
Indet. Trichoptera 0
1 0
1 0
1 1
0 Coleoptera (Beetles)
Elmidae Dubiraphia sp.
0 1
0 1
0 1
0 1
Optioservus sp.
0 0
0 0
0 0
0 1
Rhizelmis sp.
0 0
0 1
0 0'
0 2
Stenelmis sp.
1 0
0 0
0 0
0 0
Hydrophilidae Berosus sp.
0 0
1 0
0 0.
0 0
Diptera (Flies, Mosquitoes, Midges)
Chironomidae (Midges)
Chironomidae (Midges)
Tanypodinae Ablabesmyia mallochi                 1     2     0     0     0     0     .0   0 Clinotanypus sp.                     0     0     0     1     0     0     0   0 Natarsia.sp.                         0     0     0     0     0     .1     0   1 Pentaneura sp.                       0     0     0     0     0     0     1   3 Procladius sp.                       0-     0     0     0     1     6     0   5
Tanypodinae Ablabesmyia mallochi 1
2 0
0 0
0
.0 0
Clinotanypus sp.
0 0
0 1
0 0
0 0
Natarsia.sp.
0 0
0 0
0
.1 0
1 Pentaneura sp.
0 0
0 0
0 0
1 3
Procladius sp.
0-0 0
0 1
6 0
5


TABLE 7.1-7 Sample Station Number         .
TABLE 7.1-7 Sample Station Number Collection Method (No. Samples Collected) 2 3
Collection Method (No. Samples Collected) 2           3     . -      4                 5 HT(3) ED(7) HT(2) ED(7)   HT(3) ED(7)     HT(2).ED(7)
4 5
HT(3) ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2).ED(7)
ARTHROP0DA (continued)
ARTHROP0DA (continued)
Insecta Diptera Chironomidae (Midges)
Insecta Diptera Chironomidae (Midges)
Tanypodinae Tanypus sp.                           0     0     0     0       0     1           0     0 Thienemannimyia group                 0     2     0     0       0     1           0     0 Indet.                                 0     0     0     0       0     2           0     1 Diamesinae Diamesa sp.                           0     0     0     0-       0     0           0     1 Monodiamesa sp.                       0     0     0     0       0     3           0     1 <
Tanypodinae Tanypus sp.
1           Potthastia sp.'                       0     0     0     0       0     1-         1     2 g           Orthocladiinae i           Brillia sp.                           0     0     0     0       0     0           0     1 Cricotopus tremulus                   0     0     0     0       0     0           1     0 Cricotopus sp.                         0     0     0     0       0     0           0     1 Eukiefferiella discoloripes           0     0     0     0       1     0.         0     0 Eukiefferiella sp.                     0     0     0     0       0     1           0     0 Heterotrissociadius sp.               0     0     0     0       0     1           0     0 Nanocladius sp.                       0     0     0     0       0     0         'l     0 Orthocladius sp.                       0     0     1     0       0     0           0     1 Parakief feriella sp.                 0     0     0     0       0     0           0     1 Psectrocladius sp.                     0     0     0     0       0     1           0     0 Rheocricotopus sp.                     0     0     0     0       0     1-         0     2 Indet.                                 0     0     0     1       0     0           1     0 C h i ron omi na e --C hi ro nomi ni Chironomus riparius group             0     0     0     0       0     0           0     1 Chironomus sp.                         0     0     0     0       0     2           0     3 Cryptochironomus fulvus group         0     0     0     0       0     0           0     1 Cryptochironomus sp.                   0     0     0     0       1     5           0     4 Dicrotendipes neomodestus             1     1     0     0       3     4           2     4 Dicrotendipes nervosus                 0     0     0     1       1     0           0     0
0 0
0 0
0 1
0 0
Thienemannimyia group 0
2 0
0 0
1 0
0 Indet.
0 0
0 0
0 2
0 1
Diamesinae Diamesa sp.
0 0
0 0-0 0
0 1
Monodiamesa sp.
0 0
0 0
0 3
0 1
1 Potthastia sp.'
0 0
0 0
0 1-1 2
g Orthocladiinae i
Brillia sp.
0 0
0 0
0 0
0 1
Cricotopus tremulus 0
0 0
0 0
0 1
0 Cricotopus sp.
0 0
0 0
0 0
0 1
Eukiefferiella discoloripes 0
0 0
0 1
0.
0 0
Eukiefferiella sp.
0 0
0 0
0 1
0 0
Heterotrissociadius sp.
0 0
0 0
0 1
0 0
Nanocladius sp.
0 0
0 0
0 0
'l 0
Orthocladius sp.
0 0
1 0
0 0
0 1
Parakief feriella sp.
0 0
0 0
0 0
0 1
Psectrocladius sp.
0 0
0 0
0 1
0 0
Rheocricotopus sp.
0 0
0 0
0 1-0 2
Indet.
0 0
0 1
0 0
1 0
C h i ron omi na e --C hi ro nomi ni Chironomus riparius group 0
0 0
0 0
0 0
1 Chironomus sp.
0 0
0 0
0 2
0 3
Cryptochironomus fulvus group 0
0 0
0 0
0 0
1 Cryptochironomus sp.
0 0
0 0
1 5
0 4
Dicrotendipes neomodestus 1
1 0
0 3
4 2
4 Dicrotendipes nervosus 0
0 0
1 1
0 0
0


TABLE 7.1-8
TABLE 7.1-8 Sample Station Number Collection Method (No. Samples Collected) 2 3
:                                                                                      Sample Station Number
4 5
    !                                                                    Collection Method (No. Samples Collected) 2                       3             4               5 HT(3) ED(7)             HT(2) ED(7)     HT(3) ED(7)     HT(2)-ED(7)
HT(3) ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2)-ED(7)
ARTHROPODA (continued)
ARTHROPODA (continued)
Insecta
Insecta Diptera Chironomidae (Midges)
:            Diptera Chironomidae (Midges)
Chi ro nomi na e --C hi ronomi ni Endochironomus nigricans 0
Chi ro nomi na e --C hi ronomi ni Endochironomus nigricans                     0     0             0         0     2       0       0           0 Glyptotendipes lobiferus                     1     1             0         3     3         1       2       .1     ,
0 0
l                    Glyptotendipes sp.                           1     0.           1         1-     3       1     0             1 Harnischia sp.                               0     0             0         0     0       ~2     0             0 Parachironomus abortivus                     0     2             0         2     2       0       1           0 Parachironomus frequens                       0     1             0         1     0         0     0             1 l     4             Parachironomus sp.                           1     1             0         0     0         0       0           1
0 2
* Paralauterborniella sp.                       0     0             0         0     0       0       0           1 Y             Paratendipes sp.                             0     0             0         1     0         1     0             0 Phaenopsectra sp.                             0     0             0         1     0         0     0             0 I                     _P_olypedilum convictum                       0     0             0         0     0         0     0             1 Polypedilum fallax                           0     0             0         1     0         0       0           0 Polypedilum illinoense                       0     1             0         1     0         2     0         -3 Polypedilum sp.                               0     0             0         1     0         0     0             2-Pseudochironomus sp.                         0     0             0         0     2         2       1           2-Tribelos jucundus                             0     0             0         0     0         1     0         'O
0 0
!                      Tribelos sp.                                 0     0             0         1     1       0   'O             1 Xenochironomus xenolabis                     1     0             0         0     0       0       0             0 I
0 Glyptotendipes lobiferus 1
Xenochironomus sp.                           1     0             0         0     0         0     0             0 Indet.                                       0     0             0         0     0         0     0             1 C h i ro nomi n a e --Ta nyta rsi ni Cladotanytarsus sp.                           0     0             0         0     0         2       0           0 Micropsectra sp.                             0     0             0'       'O     O         1       1           0 Pa ratanytarsus sp.                .
1 0
9~     0             0-       -1     0         0       1           0~
3 3
i Rheotanytarsus distinctissimus               1     0-           0.         1     1       0       1           0 Rheotanytarsus sp.                           0     1             0         0     0         1     0             0 Tanytarsus coffmani                           0     0             0         0     0       0       0           1 Tanytarsus glabrescens                       0     .1             0         0     0         1     0             0 Tanytarsus guerlus                           0     0             0         0     0         2     0             2 Tanytarsus sp.                               0     1             0       .0     0         1     0             1 1
1 2
.1 l
Glyptotendipes sp.
1 0.
1 1-3 1
0 1
Harnischia sp.
0 0
0 0
0
~2 0
0 Parachironomus abortivus 0
2 0
2 2
0 1
0 Parachironomus frequens 0
1 0
1 0
0 0
1 l
4 Parachironomus sp.
1 1
0 0
0 0
0 1
Paralauterborniella sp.
0 0
0 0
0 0
0 1
Y Paratendipes sp.
0 0
0 1
0 1
0 0
Phaenopsectra sp.
0 0
0 1
0 0
0 0
I
_P_olypedilum convictum 0
0 0
0 0
0 0
1 Polypedilum fallax 0
0 0
1 0
0 0
0 Polypedilum illinoense 0
1 0
1 0
2 0
-3 Polypedilum sp.
0 0
0 1
0 0
0 2-Pseudochironomus sp.
0 0
0 0
2 2
1 2-Tribelos jucundus 0
0 0
0 0
1 0
'O Tribelos sp.
0 0
0 1
1 0
'O 1
Xenochironomus xenolabis 1
0 0
0 0
0 0
0 I
Xenochironomus sp.
1 0
0 0
0 0
0 0
Indet.
0 0
0 0
0 0
0 1
C h i ro nomi n a e --Ta nyta rsi ni Cladotanytarsus sp.
0 0
0 0
0 2
0 0
Micropsectra sp.
0 0
0'
'O O
1 1
0 Pa ratanytarsus sp.
9~
0 0-
-1 0
0 1
0~
Rheotanytarsus distinctissimus 1
0-0.
1 1
0 1
0 i
Rheotanytarsus sp.
0 1
0 0
0 1
0 0
Tanytarsus coffmani 0
0 0
0 0
0 0
1 Tanytarsus glabrescens 0
.1 0
0 0
1 0
0 Tanytarsus guerlus 0
0 0
0 0
2 0
2 Tanytarsus sp.
0 1
0
.0 0
1 0
1 1


                                                                                                                                                            ~ r v.,
~ r v.,
                                                                                                                                                          ,                                                                ,s'a.
=
                                                                                                                                                                                                                                        =
,s'a
                                                                                                                                        's t                                             ;.
's t t
t   ',
r#
r#                                                 ; ?.',_ ?p.
v.c n
v.c nu
; ?,_ ?p.
                                                                                                                                                                .                                      .          L,.
u L,.
Y f...              ,          . ' '' G ;,,                                                                , ,          s     /         .'
Y
                                                                  >'-                                    ' /,                               TABLE 7.1-9
. ' '' G s
                                                                      -                                                  ,-    -                                                                                  .s s
/
                                                                ~'
f...
                                                                                                              <.. r-                                              I          Sample Station Nudber                '#                              '
' /,
e(-f"A-Collection Method (No. Sai.sples Collected)
TABLE 7.1-9
                            ',                          . j.
.s s Sample Station Nudber
                                                                                                                    ] 4l 4 '                                                                                                              '
~'
C       l..                                                                                                       ?
] 4l 4 ' e(-f"A-r-
                                                                                                                                                -.            2                  3              N.?S)        /-
I Collection Method (No. Sai.sples Collected)
                                                                                                                                                                                                                    ~
. j.
S p>' HT(3)                 ED(7)         HT(2) ED(7)     HT(3')rf6(7)
C l..
HT(2) ED(7)               -
' HT(3) ED(7)
                                                                                                                                                                                                ,    -9           -
HT(2) ED(7)
;2 ' . '                                                                                                                                             ".
HT(3')rf6(7)
ARTHROP0DA''(continued)                             '                                                            , ,r Insecta                                                                 /                                       6 'r'
HT(2) ED(7)
                                                                                                                                    , 'c' /
?
Diptera
2 3
                                                                                                    ''              '                    '                        f
N.?S)
                                                                            ,            f
~
  ,'                                        Chironomidae.(Midges) r j;                                               -
S
C hi ro nomi na e --Ta nyta rs i nij                                          >      -          -r        >
/-
                                                                                                                                                                                        .      0 Zavrelia gr.06p                                                                  -
-9 p>
                                                                                                                                                  -'O               O.       0       0 0         0             'O       l' Indet.,               /               ''                                    .
;2. '
0               0       0-   ,0-'     s1         0               0   ,1 -
ARTHROP0DA''(continued)
Indet.". Chironomidae .                                                                 1             1       'O   '3       '
,,r Insecta
1        4               1       3 Culicidae: (Mosquitoes, Phantom Midges)                                                                                                 '
/
Chaoborus sp.                                                                           0             0       0       0       0         1,             0       0 e                         , Indet.                                                                                                 0             0       0       0       0         0               0       2
6 'r'
                                ^            Rhagionidae (Snipe Flies)>
, 'c' /
4 a
Diptera f
Indet.                             .                                                    0             0       1       0       0         0               0       0 Heleidae (Biting Midges)
f Chironomidae.(Midges) r j;
              ?
C hi ro nomi na e --Ta nyta rs i ni
Palpomyia tibialis-                                                                   0             0         0       0         1       1               0       4 Palpomyia sp.                                                                         0             0         0       0       0         2               0       3 Indet.                                                                                 0             0         0       0       0         1               0       0 Simuliidae (Black Flies)
-'O O.
Indet..                                                                               0             0         0       0       1         0               0       0 Tipulida'e (Crane Flies)
0 0
Tipula sp.                                                                             0             0         0       1       0         0               0   .CL Indet. Diptera                                                                         0             1         0       1       0         0               1       0 Hemiptera (Bugs)
0 0
Indet.                                                                                 0             0         0     0         0         0               0   'l M0LLUSCA Gastropoda (Snails, Limpets)
'O l'
Zavrelia gr.06p 0
-r j
Indet.,
/
0 0
0-
,0-'
s1 0
0
,1 -
Indet.". Chironomidae.
1 1
'O
'3 1
4 1
3 Culicidae: (Mosquitoes, Phantom Midges)
Chaoborus sp.
0 0
0 0
0 1,
0 0
e
, Indet.
0 0
0 0
0 0
0 2
Rhagionidae (Snipe Flies)>
4
^
a Indet.
0 0
1 0
0 0
0 0
?
Heleidae (Biting Midges)
Palpomyia tibialis-0 0
0 0
1 1
0 4
Palpomyia sp.
0 0
0 0
0 2
0 3
Indet.
0 0
0 0
0 1
0 0
Simuliidae (Black Flies)
Indet..
0 0
0 0
1 0
0 0
Tipulida'e (Crane Flies)
Tipula sp.
0 0
0 1
0 0
0
.CL Indet. Diptera 0
1 0
1 0
0 1
0 Hemiptera (Bugs)
Indet.
0 0
0 0
0 0
0
'l M0LLUSCA Gastropoda (Snails, Limpets)
Bassommatophora Ancylidae (Limpets)
Bassommatophora Ancylidae (Limpets)
Ferrissia sp.                                                                         0             0         0       1       0         0               0     0 Physidae (Pouch Snails)
Ferrissia sp.
Physa sp.                                                                             1             2         0     1         1         1               0     0
0 0
0 1
0 0
0 0
Physidae (Pouch Snails)
Physa sp.
1 2
0 1
1 1
0 0


q-       -
q-2, y., _
2, y . , _
----------a---
                                                                                                                                ----------a---
_, ~
_ , ~     -
i7~.,,s
i7
/,-,
~. , ,s         .,    :
-g
                          /,-,
..j"',,,
                                  -g                   ..j"',,,                                                           c, , '   ~
c,, '
e               -
~
.,                                                      p                                                                           %,,,,-      -
e p
                            , .: : - ,.                            ~
~
4 ,7             f,                                         TABLE 7.1-10;.                   ~;--     <# ^ '                      y Sample" Station Number
<# ^ '
* Ok k ~                 -e                                                                        Collection Method'(No. Samples Collected)
4,7 f,
                                                                                                                                                                                    ,s
TABLE 7.1-10;.
                                                                                        ~
~;--
g            '' 3               _ [4 :                     5
y Sample" Station Number
                                                                            ~.        HT_(3);ED(7) s, .,_-
,s Ok k ~
HT(2) ED(7)       HT(3) ED(7)                 HT(2) ED(7)-
Collection Method'(No. Samples Collected)
                                                                            '      ~
-e
~
'' 3
_ [4 :
5 g
HT_(3);ED(7)
HT(2) ED(7)
HT(3) ED(7)
HT(2) ED(7)-
~.
s,.,_-
~
MOLLUSCA (continued)
MOLLUSCA (continued)
Gastropoda                                                                                                                                                           7; Bassommatophora                                                                                                         ~
Gastropoda 7;
Planorbidae (Orb Snails)
Bassommatophora Planorbidae (Orb Snails)
' ' "^~~"/
~
Gyraulus sp.
Gyraulus sp.
                                                                      ' ' "^~~"/0."O                         O         0     1             0' 0           2-Helisoma sp.                                                . ..~     0       3       1         2     0             0         ~
0."O O
0           0 Megagastropoda
0 1
                                                                                              ~
0' 0
Hydrobiidae Amnicola gp.                                                         '2       5       2         4     0             0             1           0 Indet.                   ~                                           0       1       0         0     0             0             0           0 Pelecypoda (Clams, Mu'ssels)                                                                                                                               -
2-Megagastropoda
O       Prionodesmacea
~ 0 3
        $          Sphaeriidae (Fingernail Clams)
1 2
Musculium sp.                                                         0       0       0         0     0             1           'O         .; 0 Pi_sidium sp.                                                                                                                     .0 0      2       0         1     0             5                 ..      6 Sphaerium sp.                                                         0       6       0         5     0             5             0           4       ':
0 0
                                                                                                                            ~~
0 0
Helisoma sp.
~
~
Hydrobiidae Amnicola gp.
'2 5
2 4
0 0
1 0
Indet.
~
0 1
0 0
0 0
0 0
Pelecypoda (Clams, Mu'ssels)
O Prionodesmacea Sphaeriidae (Fingernail Clams)
Musculium sp.
0 0
0 0
0 1
'O
.; 0 Pi_sidium sp.
0 2
0 1
0 5
.0 6
Sphaerium sp.
0 6
0 5
0 5
0 4
Unionidae (Freshwater Mussels)
Unionidae (Freshwater Mussels)
Elliptio sp.                                                          0      .0       0         1     0             0             0           1 Indet.                                                                 0       1       0-       0     0             2             0           3 Indet. Pelecypoda                                                     0       0       0         0     0             1             0           0
. 0 0
1 0
0 0
1
~~
Elliptio sp.
0 Indet.
0 1
0-0 0
2 0
3 Indet. Pelecypoda 0
0 0
0 0
1 0
0


x   - +
7.a x
7.a  --        2 L
- +
2 L
i;
i;
)
)
i L
i L
,                    SECTION 8 e
SECTION 8 e
)
)
FISH STUDIES e
FISH STUDIES e
Line 2,597: Line 5,952:
I f
I f
O h
O h
w -
w


A
A
[
[
:                                                                                    8.             FISH STUDIES 8.1          Fish Impingement' Studies
8.
FISH STUDIES
[
[
L                                   During all five phases of the special open cycle testing
8.1 Fish Impingement' Studies L
:  conducted in the years' 1974-1978, fish impinged on. Vermont Yan-kee's traveling screens at_the intake structure were collected each. day and' identified, counted, weighed, and measured. The results of.these studies, sammarized in the Phase V report (Aquatec 1979), provided the basis for'the schedule of impinge-ment studies, set-forth in Vermont Yankee's current NPDES per-mit, to be conducted during open cycle operation.                                                                       This1 schedule requires a 24 hour sample 3 times per week.in October and the period April'16lthrough May 15,'one' time a' week in November and.'
During all five phases of the special open cycle testing conducted in the years' 1974-1978, fish impinged on. Vermont Yan-kee's traveling screens at_the intake structure were collected each. day and' identified, counted, weighed, and measured.
from March 1 through April' 15, and one'24 hour sample per month 1                   - in. December,~ January, and February.                                                   Impingement studies'during
The results of.these studies, sammarized in the Phase V report (Aquatec 1979), provided the basis for'the schedule of impinge-ment studies, set-forth in Vermont Yankee's current NPDES per-mit, to be conducted during open cycle operation.
                    , Vermont. Yankee's'1982 open cycle operation under the conditions
This1 schedule requires a 24 hour sample 3 times per week.in October and the period April'16lthrough May 15,'one' time a' week in November and.'
!'                    of the NPDES-permit were concacted in accordance with this i                     schedule.               Additional impingement collections were made in the other-five months of 1982 as a part of the special Project SAVE program of studies.
from March 1 through April' 15, and one'24 hour sample per month 1
                                  . A, summary of the weight extremes and the extremes in' total I                     length of the fish species observed in'all the impingement studies in 1982, during both open and closed cycle operation, is given in Table 8.1. In Table 8.2, the numbers and total weight in grams of each' impinged species are shown for each month of the year.                           The fish species are listed in order of the
- in. December,~ January, and February.
                    ' decreasing number of the species impinged in all months of 1982.
Impingement studies'during Vermont. Yankee's'1982 open cycle operation under the conditions of the NPDES-permit were concacted in accordance with this i
[                                 :  Table 8.2 also shows for each month the mean number of fish impinged per test day in 1982. At the bottom of the table I-                     are listed, for the months January through May and October i             ,
schedule.
                                                                                                      -151-t y - -v,,.ri--nr-     -,p     e - e t---.c, .w-,m .,.c~.w,- t   av -e e.w.-+s.w-+-.--3.,-w---.w.e,             -
Additional impingement collections were made in the other-five months of 1982 as a part of the special Project SAVE program of studies.
m-r,~.e. e-w.w.,,.--w.m-e   ----,-4+-e we----e-ow-   - wu- --~-e.-..ee* -r
. A, summary of the weight extremes and the extremes in' total I
length of the fish species observed in'all the impingement studies in 1982, during both open and closed cycle operation, is given in Table 8.1.
In Table 8.2, the numbers and total weight in grams of each' impinged species are shown for each month of the year.
The fish species are listed in order of the
' decreasing number of the species impinged in all months of 1982.
[
Table 8.2 also shows for each month the mean number of fish impinged per test day in 1982.
At the bottom of the table I-are listed, for the months January through May and October i
-151-t y
-v,,.ri--nr-
-,p e - e t---.c,
.w-,m
.,.c~.w,-
t av
-e e.w.-+s.w-+-.--3.,-w---.w.e, m-r,~.e.
e-w.w.,,.--w.m-e
----,-4+-e we----e-ow-
- wu-
--~-e.-..ee*
-r


      -          .  -                        -~         .. --            . . _ .-          -- . -
-~
TABLE 8.1
TABLE 8.1


==SUMMARY==
==SUMMARY==
OF WEIGHT AND TOTAL LENGTH EXTREMES OF FISH SPECIES COLLECTED IN'1982 IMPINGEMENT STUDIES Total'
OF WEIGHT AND TOTAL LENGTH EXTREMES OF FISH SPECIES COLLECTED IN'1982 IMPINGEMENT STUDIES Total'
: Species                           Weight (g)         Length (mm)
: Species Weight (g)
Length (mm)
Alosa aestivalis-(Mitchill)
Alosa aestivalis-(Mitchill)
Blueback herring       . .                          3.0-8.0             77-100 Alosa sapidissima (Wilson)
Blueback herring 3.0-8.0 77-100 Alosa sapidissima (Wilson)
American shad                                           16               126 Salmo salar Linnaeus.
American shad 16 126 Salmo salar Linnaeus.
1            Atlantic salmon                                         87.             213 Osmerus mordax.(Mitchill)
Atlantic salmon 87.
Rainbow smelt                                       1.9-37             75-200 Catostomus canmersoni (Lac 6p4de)
213 1
White sucker                                         3.7-679             73-398-Notemigonus crysoleucas (Mitchill)
Osmerus mordax.(Mitchill)
          . Golden shiner
Rainbow smelt 1.9-37 75-200 Catostomus canmersoni (Lac 6p4de)
                                          ~     ~
White sucker 3.7-679 73-398-Notemigonus crysoleucas (Mitchill)
1.9-91             58-188-Notropis .cornutus (Mitchill)
. Golden shiner
,            Connon shiner                                       1.0-2.3             60-75 Notropis hudsonius (Clinton) .
~
Spottail shiner                                     1.2-12.6           51-117 Hybognathus nuchalis'Agassiz Silvery minnow                                       2.7-12.0           70-105 Ictalurus nebulosus (LeSueur)~
~
Brown bullhead                                       3.4-92             60-187 Ictalurus natalis (LeSueur)
1.9-91 58-188-Notropis.cornutus (Mitchill)
Yellow bullhead             .
Connon shiner Notropis hudsonius (Clinton).
7.0                 82
1.0-2.3 60-75 Spottail shiner 1.2-12.6 51-117 Hybognathus nuchalis'Agassiz Silvery minnow 2.7-12.0 70-105 Ictalurus nebulosus (LeSueur)~
'        Morone americana (Gmelin)
Brown bullhead 3.4-92 60-187 Ictalurus natalis (LeSueur)
          -White perch                                           2.5-258             59-235
Yellow bullhead 7.0 82 Morone americana (Gmelin)
        . Perca flavescens (Mitchill)
-White perch 2.5-258 59-235
Yellow perch -                                       3.5-245             55-264 Stizostedion' vitreum (Mitchill)
. Perca flavescens (Mitchill)
Walleye                                                 96               230 Etheostoma olmstedi Storer Tesse11ated darter                                   0.9-3.2           40-67 Micropterus dolomieui Lac 6p&de Smallmouth-bass                                     3.0-64             62-175
Yellow perch -
:      . Micropterus salmoides (Lacep4de)
3.5-245 55-264 Stizostedion' vitreum (Mitchill)
Largemouth bass                                     6.5-48             79-150 Lepomis gibbosus (Linnaeus)
Walleye 96 230 Etheostoma olmstedi Storer Tesse11ated darter 0.9-3.2 40-67 Micropterus dolomieui Lac 6p&de Smallmouth-bass 3.0-64 62-175
            .Pumpkinseed                                         1.6-137           42-172 Lepomis macrochirus Rafinesque Bluegill                                             0.8-102           45-170 Juvenile Lepomis spp.                                   0.4-5.5           32-69 Ambloplites rupestris (Rafinesque) e          Rock bass                                           0.5-82             25-165 i
. Micropterus salmoides (Lacep4de)
I
Largemouth bass 6.5-48 79-150 Lepomis gibbosus (Linnaeus)
                                                  -153-
.Pumpkinseed 1.6-137 42-172 Lepomis macrochirus Rafinesque Bluegill 0.8-102 45-170 Juvenile Lepomis spp.
                        -e                 ~
0.4-5.5 32-69 Ambloplites rupestris (Rafinesque)
Rock bass 0.5-82 25-165 e
i I
-153-Y vTt-1-7 9--
t
=us==
-e
=rm?n:M 11+-t-v-mv
~
vs-*-
ei-:
+-W-t7-1-m---
t*-e-
**--e m
------=e--
m-re e---


TABLE 8.2-1
TABLE 8.2-1
Line 2,650: Line 6,041:
==SUMMARY==
==SUMMARY==
.BY MONTH OF NUMBER-AND WEIGHT IN GRAMS OF FISH SPECIES' COLLECTED IN IMPINGEMENT STUDIES 1982
.BY MONTH OF NUMBER-AND WEIGHT IN GRAMS OF FISH SPECIES' COLLECTED IN IMPINGEMENT STUDIES 1982
                              .JAN           -FEB           MAR               APR                                 MAY       JUN Species         No.-Wgt.       -No.-Wgt.     No.-Wgt. .         No.-Wgt.                           No.-Wgt. No.-Wat.
.JAN
Pumpkinseed                               1-3.0         3-11.5'           10-63.8                             13-346.6 Juvenile Lepomis spp.                                                     5-13.8                             38-63.6 Bluegill                                               1-3.0             3-107.4                           11-58.0 Yellow perch                                           4-30.5           80-2570.6                           26-424.5' Spottail shiner                                         4-14.7           81-309.3                           35H117.3 Rock bass                                                                 11-284.4                           34-202.8   1-4.8 White perch                                                               11-367.1-                           18-752.5 Rainbow smelt                                                                                                 33-252.9 Golden shiner                                                             5-61.5                             26-318.7 Silvery minnow                                                           16-80.5                             11-41.6 i   Smallmouth bass                                                           5-29.2                             10-176.2 u, Tessellated darter                                     1-2.3             1-1.6                               2-5.0 1" Brown bullhead                                                             4-90.2                             5-180.2   2-48~
-FEB MAR APR MAY JUN Species No.-Wgt.
Blueback herring White sucker                                                               4-19.9                             4-693.1 Largemouth bass Common shiner                                                                                                 3-5.3 Walleye                                                                   1-96.1 Atlantic salmon                                                                                               1-87 American shad Yellow bullhead                                         1-7.0 TOTALS                   0-0             1-3.0       14-69.0           237-4095.4                         270-3725.3 3-52.8 Number of test days         l             1             4               11.                                 18       15
-No.-Wgt.
_Daily means               0-0           1.0-3.0       3.5-17.2         21.5-372.3                         15.0-207.0 0.2-3.5 Phases I-V Daily means         1.0-66.3       1.2-15.3'   23.6-248.0         71.9-692.3                           8.9-113.5 Standard Dev.       1.6-432.9       1.9-42.0   112.4-710.1-     102.8-959.0-                           10.1-215.7
No.-Wgt..
No.-Wgt.
No.-Wgt.
No.-Wat.
Pumpkinseed 1-3.0 3-11.5' 10-63.8 13-346.6 Juvenile Lepomis spp.
5-13.8 38-63.6 Bluegill 1-3.0 3-107.4 11-58.0 Yellow perch 4-30.5 80-2570.6 26-424.5' Spottail shiner 4-14.7 81-309.3 35H117.3 Rock bass 11-284.4 34-202.8 1-4.8 White perch 11-367.1-18-752.5 Rainbow smelt 33-252.9 Golden shiner 5-61.5 26-318.7 Silvery minnow 16-80.5 11-41.6 i
Smallmouth bass 5-29.2 10-176.2 u,
Tessellated darter 1-2.3 1-1.6 2-5.0 1"
Brown bullhead 4-90.2 5-180.2 2-48~
Blueback herring White sucker 4-19.9 4-693.1 Largemouth bass Common shiner 3-5.3 Walleye 1-96.1 Atlantic salmon 1-87 American shad Yellow bullhead 1-7.0 TOTALS 0-0 1-3.0 14-69.0 237-4095.4 270-3725.3 3-52.8 Number of test days l
1 4
11.
18 15
_ ily means 0-0 1.0-3.0 3.5-17.2 21.5-372.3 15.0-207.0 0.2-3.5 Da Phases I-V Daily means 1.0-66.3 1.2-15.3' 23.6-248.0 71.9-692.3 8.9-113.5 Standard Dev.
1.6-432.9 1.9-42.0 112.4-710.1-102.8-959.0-10.1-215.7


TAB'LE.8.2-2 SUPMARY BY MONTH OF NUMBER AND WEIGHT IN GRAMS OF FISH SPECIES. COLLECTED IN IMPINGEMENT STUDIES 1982-JUL           AUG           SEP             OCT         NOV         DEC       TOTAL Species         No.-Wgt.       No.-Wgt.     No.-Wgt.       No.-Wgt.     No.-Wgt. No.-Wgt.     No.-Wgt.
TAB'LE.8.2-2 SUPMARY BY MONTH OF NUMBER AND WEIGHT IN GRAMS OF FISH SPECIES. COLLECTED IN IMPINGEMENT STUDIES 1982-JUL AUG SEP OCT NOV DEC TOTAL Species No.-Wgt.
Pumpkinseed                                         331-1115         1-3.5       23-136.3               382-1679.7' Juvenile Lepomis spp.                               :288-478.5.             .      26-42.6                 357-598.5 Bluegill                                 1-2.1       242-710.9         4-12.4     20-58.6                 282-952.4 Yellow perch             1-51                       17-214.2                     9-468.3     2-136     139-3895.1 Spottail shiner                                                                   13-53.6       3-11.9   136-506.8 Rock bass                 1-14           1-2.0       30-89.7                       3-10.6     .            81-608.3 White perch                                                           3-385       33-232.3     1-7.3     66-1744.2 Rainbow smelt                                                                                               33-252.9 Golden shiner                                                                       1-2.7                   32-382.9 2, Silvery minnow                                                                                             27-122.1 ui Smallmouth bass                                       1-6.5                       4-27.1                 20-239.0 y' Tesse11ated darter                                     8-15.5                                               12-24.4 Brown bullhead                                                                                             11-318.4 Blueback herring                                                     11-48.1                               11-48.1 White sucker                                                                                                 8-71 3.0 Largemouth bass                                       2-26.8                       6-105.3                 8-132.1 Common shiner                                                                                               3-5.3 Walleye                                                                                                     1-96.1 Atlantic salmon                                                                                             1-87 American shad                                                         1-16                                 1-16 Yellow bullhead                                                                                             1-7.0 TOTALS                   2'-65         2-4.1       919-2657.1     20-465.0     138-1137.4     6-155.2 1612-12429.3 Number of test days       11             6             9             15           4           1 Daily means             0.2-5.9       0.3-0.7     102.1-295.2       1 .3-31.0   34.5-284.4   6.0-155.2 Phases I-V Daily means                                                   83.2-662.2     7.7-140.8 2.3-46.0 Standard Dev.                                                 148.8-1019.3 15.7-542.5   5.7-109.6 l
No.-Wgt.
No.-Wgt.
No.-Wgt.
No.-Wgt.
No.-Wgt.
No.-Wgt.
Pumpkinseed 331-1115 1-3.5 23-136.3 382-1679.7' Juvenile Lepomis spp.
:288-478.5.
26-42.6 357-598.5 Bluegill 1-2.1 242-710.9 4-12.4 20-58.6 282-952.4 Yellow perch 1-51 17-214.2 9-468.3 2-136 139-3895.1 Spottail shiner 13-53.6 3-11.9 136-506.8 Rock bass 1-14 1-2.0 30-89.7 3-10.6 81-608.3 White perch 3-385 33-232.3 1-7.3 66-1744.2 Rainbow smelt 33-252.9 Golden shiner 1-2.7 32-382.9 2,
Silvery minnow 27-122.1 ui Smallmouth bass 1-6.5 4-27.1 20-239.0 y'
Tesse11ated darter 8-15.5 12-24.4 Brown bullhead 11-318.4 Blueback herring 11-48.1 11-48.1 White sucker 8-71 3.0 Largemouth bass 2-26.8 6-105.3 8-132.1 Common shiner 3-5.3 Walleye 1-96.1 Atlantic salmon 1-87 American shad 1-16 1-16 Yellow bullhead 1-7.0 TOTALS 2'-65 2-4.1 919-2657.1 20-465.0 138-1137.4 6-155.2 1612-12429.3 Number of test days 11 6
9 15 4
1 Daily means 0.2-5.9 0.3-0.7 102.1-295.2 1.3-31.0 34.5-284.4 6.0-155.2 Phases I-V Daily means 83.2-662.2 7.7-140.8 2.3-46.0 Standard Dev.
148.8-1019.3 15.7-542.5 5.7-109.6 l
l.
l.


through December, the dall'y means and standard deviations, for both~ number and weight of fish impinged, that were observed in-
through December, the dall'y means and standard deviations, for both~ number and weight of fish impinged, that were observed in-
        -those months in'the five phases of the open cycle test program
-those months in'the five phases of the open cycle test program
: conducted'in the years 1974-78.- The:mean' number and weight Limpinged per test day in these months of 1982 were all within two standard deviations of the means observed in-1974-78.
: conducted'in the years 1974-78.- The:mean' number and weight Limpinged per test day in these months of 1982 were all within two standard deviations of the means observed in-1974-78.
A'brief study of impingement was conducted in September 1976, during the Phase IV open cycle testing.                           The mean daily impinge-ment rates observed in 17 days of testing then were 7.1-fish.and 35.2 grams, with' standard deviations of 7.0 fish and 29.3 grams.
A'brief study of impingement was conducted in September 1976, during the Phase IV open cycle testing.
The mean daily impinge-ment rates observed in 17 days of testing then were 7.1-fish.and 35.2 grams, with' standard deviations of 7.0 fish and 29.3 grams.
The. impingement rate in September 1982 was much greater than this.
The. impingement rate in September 1982 was much greater than this.
But, as already noted, the existing data base for September is limited to 17 days of testing in a single year.                             Data for the months January through May and October through December.were collected in 1974-78 in 3 to 5 different years and 66 to 150 days.
But, as already noted, the existing data base for September is limited to 17 days of testing in a single year.
Data for the months January through May and October through December.were collected in 1974-78 in 3 to 5 different years and 66 to 150 days.
During June, July,'and August, 1982, when Vermont Yankee-was operating in the closed cycle mode of condenser cooling,
During June, July,'and August, 1982, when Vermont Yankee-was operating in the closed cycle mode of condenser cooling,
        '7 fish weighing 121.9. grams were impinged on 32 test days; the daily means were 0.2 fish and 3.8 grams. During the other nine months, when condenser cooling was open or hybrid mode, the impinged means per test day.were 25 fish and 192 grams. The means for the five phases of open cycle testing in 1974-78 were
'7 fish weighing 121.9. grams were impinged on 32 test days; the daily means were 0.2 fish and 3.8 grams.
During the other nine months, when condenser cooling was open or hybrid mode, the impinged means per test day.were 25 fish and 192 grams.
The means for the five phases of open cycle testing in 1974-78 were
: 23. fish and 240 grams.
: 23. fish and 240 grams.
One Atlantic salmon was impinged in May during one of the test days.                           An additional salmon (36 grams, T.L.=170 mm) was found on the traveling screens on 5 May 1982 when the screens
One Atlantic salmon was impinged in May during one of the test days.
                ~
An additional salmon (36 grams, T.L.=170 mm) was found on the traveling screens on 5 May 1982 when the screens were being backwashed in preparation for the collection of a v
were being backwashed in preparation for the collection of a                               v 24 hour sample. One American shad was impinged in October.
~
I 8.2 -Resident Finfish Studies A total of 8519 fish were collected in 1982 at Vermont Yankee Sample Stations 2, 3, 4, 5, and 8. The locations of these stations are shown in Figure 8.1.                           The fish were taken in 350 collections by four capture methods--trap net, gill net,
24 hour sample.
                                                                  -156-
One American shad was impinged in October.
I 8.2 -Resident Finfish Studies A total of 8519 fish were collected in 1982 at Vermont Yankee Sample Stations 2, 3,
4, 5, and 8.
The locations of these stations are shown in Figure 8.1.
The fish were taken in 350 collections by four capture methods--trap net, gill net,
-156-


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I i
CHESHIRE_ COUNTY FRANKLIN COUNTY MASSACHUSETTS FIGURE 8. I
"c,.,
                                                                  -157-
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CHESHIRE_ COUNTY FRANKL'IN' COUNTY FRANKLIN COUNTY MASSACHUSETTS FIGURE 8. I
-157-


1 h
1 h
1 I
1 I
                                                                      ~
~
          ' seine haul, andLelectrofishing. The collected fish were iden-
' seine haul, andLelectrofishing.
          'tified~and their weight and total length were usually measured and: recorded. In some instances, however, complete and reliable statistics on weight and length were not obtained for each       ]
The collected fish were iden-
specimen. Occasionally a fish escaped before being weighed or     )
'tified~and their weight and total length were usually measured and: recorded.
measured. Some white perch captured for the Project SAVE sur-vival. studies were not weighed and measured, in order to mini-     l mize trauma to the fish before placing them in holding cages.
In some instances, however, complete and reliable statistics on weight and length were not obtained for each
]
specimen.
Occasionally a fish escaped before being weighed or
)
measured.
Some white perch captured for the Project SAVE sur-vival. studies were not weighed and measured, in order to mini-l mize trauma to the fish before placing them in holding cages.
The statistics' presented in the following tables include only the fish for which weight and length data were collected.
The statistics' presented in the following tables include only the fish for which weight and length data were collected.
A summary, by station 1and capture method, of the fishing effort /and the numbers and weight of fish collected in 1982 is shown in Table 8.3.
A summary, by station 1and capture method, of the fishing effort /and the numbers and weight of fish collected in 1982 is shown in Table 8.3.
The_ data of the 1982 fish collections are-summarized by.
The_ data of the 1982 fish collections are-summarized by.
species in' Tables 8.4, 8.5, and 8.6. ' Table-8.4 shows for all collections'in 1982 the number, the' total weight, and the-extremes in weight and' total length observed for each species.
species in' Tables 8.4, 8.5, and 8.6.
Table 8.5 summarizes--by sample station, capture method, and number of collections in which the species was taken--the numbers and total weights of the species captured north of Ver-non Dam.- Table 8.6 summarizes these data for the fish collected U-         south of Vernon Dam. Frequency 1 distributions by total length
' Table-8.4 shows for all collections'in 1982 the number, the' total weight, and the-extremes in weight and' total length observed for each species.
          -for nine species are shown in. Table 8.7.
Table 8.5 summarizes--by sample station, capture method, and number of collections in which the species was taken--the numbers and total weights of the species captured north of Ver-non Dam.- Table 8.6 summarizes these data for the fish collected U-south of Vernon Dam.
Twenty-six species of' fish were collected in 1982. Four
Frequency 1 distributions by total length
_ species--northern pike, Atlantic salmon, fallfish, and black l-         crappie--were found only in the - collections south of Vernon Dam; ; three species--common shiner, silvery minnow, and tessel-   j lated darter--were captured only in collections north of the dam.                                                               !
-for nine species are shown in. Table 8.7.
g              ~Only one specimen'of northern pike has been captured in prior years of Vermont Yankee fish studies. That fish, weigh-ing 400 grams with a total length of 400 mm, was collected in September 1980 in an experimental gill net set near Stebbin 1-
Twenty-six species of' fish were collected in 1982.
                                          -158-   ,
Four
L .
_ species--northern pike, Atlantic salmon, fallfish, and black l-crappie--were found only in the - collections south of Vernon Dam; ; three species--common shiner, silvery minnow, and tessel-j lated darter--were captured only in collections north of the dam.
~Only one specimen'of northern pike has been captured in g
prior years of Vermont Yankee fish studies.
That fish, weigh-ing 400 grams with a total length of 400 mm, was collected in September 1980 in an experimental gill net set near Stebbin 1-
-158-L.


Island, about 1.25 miles downstream from Vernon Dam.         Blueback herring and American shad, first collected in the Vermont Yankee d
Island, about 1.25 miles downstream from Vernon Dam.
fish stu'ies       in 1981, were observed in 1982 also. These species were introduced into the Vernon area in releases there of Ameri-can shad conducted as part of the continuing effort to restore breeding populations of anadromous fish to the Connecticut River.
Blueback herring and American shad, first collected in the Vermont Yankee fish stu'ies in 1981, were observed in 1982 also.
These species d
were introduced into the Vernon area in releases there of Ameri-can shad conducted as part of the continuing effort to restore breeding populations of anadromous fish to the Connecticut River.
One Atlantic salmon was captured in May in a trap net set south of Vernon Dam.
One Atlantic salmon was captured in May in a trap net set south of Vernon Dam.
The rpecies compositions, by weight and by number, of the 1982 collections are graphed in Figures 8.2 and 8.3.         These compositions are reduced to a percentage basis and shown in Figures 8.4 and 8.5, along with percentage compositions of earlier surveys to permit comparison with previous studies.
The rpecies compositions, by weight and by number, of the 1982 collections are graphed in Figures 8.2 and 8.3.
All percentages by weight in the 1982 study were within extremes that had been observed in earlier surveys, and the per-centages by number were within extremes previously observed, with the exception of that of yellow perch. The number of yellow perch captured in 1982 constituted 22.5% of the total catch.
These compositions are reduced to a percentage basis and shown in Figures 8.4 and 8.5, along with percentage compositions of earlier surveys to permit comparison with previous studies.
All percentages by weight in the 1982 study were within extremes that had been observed in earlier surveys, and the per-centages by number were within extremes previously observed, with the exception of that of yellow perch.
The number of yellow perch captured in 1982 constituted 22.5% of the total catch.
This exceeded the previous maximum of 17.6% in 1981.
This exceeded the previous maximum of 17.6% in 1981.
In the collections downstream of Vernon Dam, rock bass were 23.5% of the total number of fish and white sucker 45.3% of the total weight in the 1982 catch. Upstream of Vernon Dam, yellow perch constituted the largest percentage by number, 26.1%, and the greatest proportion of the biomass was made up of carp, 25.7%
In the collections downstream of Vernon Dam, rock bass were 23.5% of the total number of fish and white sucker 45.3% of the total weight in the 1982 catch.
Upstream of Vernon Dam, yellow perch constituted the largest percentage by number, 26.1%, and the greatest proportion of the biomass was made up of carp, 25.7%
of the total weight of the catch.
of the total weight of the catch.
Scale samples for age determination were taken from white perch, yellow perch, walleye, and smallmouth bass collected j     in 1982 that had a total length of more than 50 mm. The results of the reading of these scales, along with the age-growth data collected in years prior to Vermont Yankee's operation with open cycle cooling, are shwon in Tables 8.8 through 8.11. The data on number of annuli and mean total length from these tables are shown graphically in Figures 8.6 through 8.9.
Scale samples for age determination were taken from white perch, yellow perch, walleye, and smallmouth bass collected j
                                                        ~
in 1982 that had a total length of more than 50 mm.
                                            -159-
The results of the reading of these scales, along with the age-growth data collected in years prior to Vermont Yankee's operation with open cycle cooling, are shwon in Tables 8.8 through 8.11.
The data on number of annuli and mean total length from these tables are shown graphically in Figures 8.6 through 8.9.
-159-
~


                                                                    /
/
For white perch and yellow perch, the age-growth curves of the specimens collected north of Vernon Dam do not differ greatly from those of the years 1969-73. However, the data for these species collected south of the dam appear to indicate an enhanced growth rate relative to that observed in the 1969-73 survey.
For white perch and yellow perch, the age-growth curves of the specimens collected north of Vernon Dam do not differ greatly from those of the years 1969-73.
An increase in growth rate is suggested also in the walleye and smallmouth bass data of 1982, both north and south of Vernon         1 Dam. This indication of an increase in growth rate for these l
However, the data for these species collected south of the dam appear to indicate an enhanced growth rate relative to that observed in the 1969-73 survey.
species was observed also in the walleye data of the previous five years and in the smallmouth bass data of 1981. The possi-bility that the rate of growth of some fish species has changed significantly in recent years will be investigated further in 1983.
An increase in growth rate is suggested also in the walleye and smallmouth bass data of 1982, both north and south of Vernon 1
Scale samples were collected also from 128'largemouth bass in 1982. The number of this species captured in the years 1969-73 was small so no age-growth data from those years is available for comparison with that of 1982. The results of the counting of annuli on the scales collected in 1982 are shown in Table 8.12.
Dam.
TABLE 8.12 AGE-GROWTH DATA-LARGEMOUTH BASS 1982 Number       North of Vernon Dam               South of Vernon Dam of       Number   Total Length (Imn)       Number   Total Length (mm)
This indication of an increase in growth rate for these species was observed also in the walleye data of the previous five years and in the smallmouth bass data of 1981.
Annuli   Specimens Average   Extremes   Specimens Average Extremes 0         30       103       65-165         37       116       72-170 ,
The possi-bility that the rate of growth of some fish species has changed significantly in recent years will be investigated further in 1983.
1          7       151     105-173     '
Scale samples were collected also from 128'largemouth bass in 1982.
0       -          -    ,
The number of this species captured in the years 1969-73 was small so no age-growth data from those years is available for comparison with that of 1982.
2         13       288     224-350         0       -          -
The results of the counting of annuli on the scales collected in 1982 are shown in Table 8.12.
l' 3         11       345     280-395         0       -          -
TABLE 8.12 AGE-GROWTH DATA-LARGEMOUTH BASS 1982 Number North of Vernon Dam South of Vernon Dam of Number Total Length (Imn)
4         14       386     303-435         0       -          -
Number Total Length (mm)
                                                                            )
Annuli Specimens Average Extremes Specimens Average Extremes 0
5         5       409     375-450         0       -          -
30 103 65-165 37 116 72-170 1
6         6       464     420-490         0       -          -
7 151 105-173 0
7         3       485     480-490         0       -          -
2 13 288 224-350 0
8         0       -          -
3 11 345 280-395 0
0       -          -
4 14 386 303-435 0
9          1       467         -
)
0       -          -
5 5
10         1       520         -
409 375-450 0
0       -          -
6 6
                                    -160-
464 420-490 0
7 3
485 480-490 0
8 0
0 9
1 467 0
10 1
520 0
-160-


r_ _                                  ,                                                                . - - . _ _ - _ - - _ _ _
r_
TA8LE 8.3 SUPNARY OF FISHING EFFORT ANO RESULTS 1982 CAPTURE METH00 TRAP NET                   GILL NET                 SEINE HAUL         ELECTROFISHING                     TOTALS No. No.                 No. No.
TA8LE 8.3 SUPNARY OF FISHING EFFORT ANO RESULTS 1982 CAPTURE METH00 TRAP NET GILL NET SEINE HAUL ELECTROFISHING TOTALS No.
SAMPLE       No. Weight Net     Set   No. Weight Net       Set   No. Weight- No.     No. Weight No.                     No. Weight LOCATION       Fish     (g)     Sets Hours   Fish (g)     Sets Hours   Fish   (g)   Coll. Fish     (g)               Coll. Fish   (g)
No.
Station 2       378     90573   44- 1004     3   2337     3     68     0       0   0     11       6407               1 392   99317 Station 3     1160     286677   81   1856     16   5872     7     165   257     137   3   194     95529                 6 1627 388215 i Totals - South
No.
* of Vernon Dam 1538     377250 125     2860     19   8209   10     233   257     137   3   205 101936                     7 2019 487532 a
No.
s
SAMPLE No.
    ' Station 4. 2697     548865 113     2641     7 35220     3     72     80     294   2   1669 234946                     15 4453 819325 Station 5     1809     501603   65   1501     0       0   0       0     7       9   1     82     24827                 1 1898 526439 Station 8           36   3843     4       82   0       0   0       0     0       0   0     12       2611                 1   48   6454 Totals - North of Vernon Dam 4542 1054311 182       4224     7 35220     3     72     87     303   3   1763 262384                     17 6399 1352218 Totals - All Locations     6080 1431561 307       7084     26 43429   13     305   344     440   6   1968 364320                   ' 24 8418 1839750
Weight Net Set No. Weight Net Set No. Weight-No.
No. Weight No.
No. Weight LOCATION Fish (g)
Sets Hours Fish (g)
Sets Hours Fish (g)
Coll.
Fish (g)
Coll.
Fish (g)
Station 2 378 90573 44-1004 3
2337 3
68 0
0 0
11 6407 1
392 99317 Station 3 1160 286677 81 1856 16 5872 7
165 257 137 3
194 95529 6
1627 388215 i
Totals - South of Vernon Dam 1538 377250 125 2860 19 8209 10 233 257 137 3
205 101936 7
2019 487532 as Station 4.
2697 548865 113 2641 7
35220 3
72 80 294 2
1669 234946 15 4453 819325 Station 5 1809 501603 65 1501 0
0 0
0 7
9 1
82 24827 1
1898 526439 Station 8 36 3843 4
82 0
0 0
0 0
0 0
12 2611 1
48 6454 Totals - North of Vernon Dam 4542 1054311 182 4224 7
35220 3
72 87 303 3
1763 262384 17 6399 1352218 Totals - All Locations 6080 1431561 307 7084 26 43429 13 305 344 440 6
1968 364320
' 24 8418 1839750


TABLE 8.4 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT 1982 Total       Weight         Length Total       Weight   Extremes Extremes in Species                   _ Number   In Grams In Grams Millimeters Alosaaestivalis(Mitchill)                                         1.9-8.5             60-102 Blueback herring                          246        1012.2 Alosa sapidissima (Wilson)
TABLE 8.4 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT 1982 Total Weight Length Total Weight Extremes Extremes in Species
American shad                               26         305.4   5.6-14             87-123 Alosa spp.                                   255       2419.2       3-1191         57-520 Salmo salar Linnaeus                                                                   273 Atlantic salmon                               1           162       162 Catostomus connersoni (Lac 6pede)                       .
_ Number In Grams In Grams Millimeters Alosaaestivalis(Mitchill)
i 604        465289        7-1467         83-533 White sucker Cyprinus carpio Linnaeus Carp                                         89       368785       53-9750         150-780 Semottlus corporalis (Mitchill)                                   .
Blueback herring 246 1012.2 1.9-8.5 60-102 Alosa sapidissima (Wilson)
Fallfish                                     3         1272   213-717           277-406 Notemigonus crysoleucas (Mitchill)
American shad 26 305.4 5.6-14 87-123 Alosa spp.
Golden shiner                             1 88   15852.5         2-182           54-245 l
255 2419.2 3-1191 57-520 Salmo salar Linnaeus Atlantic salmon 1
Notropis cornutus (Mitchill) 67           783       7-42           81-123 Common shiner Notropis hudsonius (Clinton)
162 162 273 Catostomus connersoni (Lac 6pede) 7-1467 83-533 White sucker 604 465289 Cyprinus carpio Linnaeus Carp 89 368785 53-9750 150-780 Semottlus corporalis (Mitchill) 277-406 Fallfish 3
Spottail shiner                           347       2006.6   0.9-26             45-130 Hybognathus nuchalis Agassiz Silvery minnow                               33           335     10-20           95-110 Juvenile Cyprinidae                           81           382         -            50-125 Ictalurus nebulosus (LeSueur)                                                       198-362 Brown bullhead                               29         11794   106-705 Ictalurus natalis (LeSueur)                                                         163-318 Yellow bullhead                             2           547     55-492 Esox 17.fus Linnaeus                                                                 705-736 Northern pike                               2         4930 2380-2550 Esox niger LeSueur Chain pickerel                               4         3159   497-915           427-545 Anguilla rostrata (LeSueur)
1272 213-717 Notemigonus crysoleucas (Mitchill)
American eel                               42 ~       21196   8.0-1700         170-1020 Fundulus diaphanus (LeSueur)
Golden shiner 1 88 15852.5 2-182 54-245 Notropis cornutus (Mitchill)
Banded killifish                             2           2.2   0.2-2             27-51 Morone americana (Gmelin)                                                             71-323 White perch                             1691   308503.4       4.7-528 Perca flavescens (Mitchill)                                                           70-305                    l Yellow perch                             1892   161578.7         2-375 l
Common shiner 67 783 7-42 81-123 Notropis hudsonius (Clinton)
Stizostedion vitreum (Mitchill)                                     34-3630         158-715                   j Walleye                                    111        82448 Etheostoma olmstedi Storer Tessellated darter                           4         4.1     0.8-1.6           32-47 Micropterus dolomieui Lacep8de 735   162820.9       2.1-1640         49-480 Smallmouth bass Micropterus salmoides (Lac 6pbde)
Spottail shiner 347 2006.6 0.9-26 45-130 Hybognathus nuchalis Agassiz Silvery minnow 33 335 10-20 95-110 50-125 Juvenile Cyprinidae 81 382 Ictalurus nebulosus (LeSueur)
Largemouth bass                           141   50330.8         3-2180         65-520 Lepomis gibbosus (Linnaeus)
Brown bullhead 29 11794 106-705 198-362 Ictalurus natalis (LeSueur)
Pumpkinseed                               637         59339       2-265           48-225 Lepomis macrochirus Ra'inesque Bluegill                                   163         21436       1-375         45-238                     l Lepomis spp.                                 282           209     0.1-3.2           18-50 Ambloplites rupestris (Rafinesque) 740         92833       4-378           57-265 Rock bass Pomoxis nigromaculatus (LeSueur)
Yellow bullhead 2
Black crappie                                 1           15         15           105 TOTALS       8418       1839750 l
547 55-492 163-318 Esox 17.fus Linnaeus Northern pike 2
                                          -162-
4930 2380-2550 705-736 Esox niger LeSueur Chain pickerel 4
3159 497-915 427-545 Anguilla rostrata (LeSueur)
American eel 42 ~
21196 8.0-1700 170-1020 Fundulus diaphanus (LeSueur)
Banded killifish 2
2.2 0.2-2 27-51 Morone americana (Gmelin)
White perch 1691 308503.4 4.7-528 71-323 Perca flavescens (Mitchill)
Yellow perch 1892 161578.7 2-375 70-305 l
Stizostedion vitreum (Mitchill)
Walleye 111 82448 34-3630 158-715 j
Etheostoma olmstedi Storer Tessellated darter 4
4.1 0.8-1.6 32-47 Micropterus dolomieui Lacep8de Smallmouth bass 735 162820.9 2.1-1640 49-480 Micropterus salmoides (Lac 6pbde)
Largemouth bass 141 50330.8 3-2180 65-520 Lepomis gibbosus (Linnaeus)
Pumpkinseed 637 59339 2-265 48-225 Lepomis macrochirus Ra'inesque Bluegill 163 21436 1-375 45-238 l
Lepomis spp.
282 209 0.1-3.2 18-50 Ambloplites rupestris (Rafinesque)
Rock bass 740 92833 4-378 57-265 Pomoxis nigromaculatus (LeSueur)
Black crappie 1
15 15 105 TOTALS 8418 1839750 l
-162-


TABLE 8.5-1 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM-1982 Station Capture No. of         No. Weight   _ Species Totals Species       No.     Method
TABLE 8.5-1 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM-1982 Station Capture No. of No.
* Coll. Fish     Grams   No.     Weight Blueback herring       4         TN         3       142   572.1 SH         1       42   164.3 EF         2       26       129 5         TN         1       36   146.8   246       1012.2 American shad           4         TN         2       24   282.4 EF         1         2       23   26       305.4 Alosa spp.             4         TN         2         6       37 EF         6     . 245 1177,2 5         TN         1         2       11 253       1225.2
Weight
  . White sucker           4         TN       56       145 103690 EF         7       55   26839 5         TN       38       136 113850   336       244379
_ Species Totals Species No.
  -Carp                   4         TN       16       24 100110 GN         3         7   35220 EF       20       20   82250 5         TN       17       32 128500 EF         1         1     1590   84       347670 Golden shiner         4         TN       23       46     4427 i                                   EF         8       32 1858.5 5-       TN         9       89     8277 i                                   EF         1         9     482   176     15044.5 Common shiner         4         TN         2         5       69 EF         1         1         7 5       TN         3       61     707   67           783 i   Spottail shiner       4         TN         6       24   357.4 EF         7       290 1404.5 5       TN         3       15     185   329       1946.9 Silvery minnow         4       TN         1         1       10 EF         2       31     305 5       TN         1         1       20   33           335 Juvenile Cyprinidae     4         EF       2       81     382   81           382 Brown bullhead         4       TN         2       2     489 5       TN         4         4   1265     6         1754
Method
                                        -163-
* Coll.
Fish Grams No.
Weight Blueback herring 4
TN 3
142 572.1 SH 1
42 164.3 EF 2
26 129 5
TN 1
36 146.8 246 1012.2 American shad 4
TN 2
24 282.4 EF 1
2 23 26 305.4 Alosa spp.
4 TN 2
6 37 EF 6
. 245 1177,2 5
TN 1
2 11 253 1225.2
. White sucker 4
TN 56 145 103690 EF 7
55 26839 5
TN 38 136 113850 336 244379
-Carp 4
TN 16 24 100110 GN 3
7 35220 EF 20 20 82250 5
TN 17 32 128500 EF 1
1 1590 84 347670 Golden shiner 4
TN 23 46 4427 i
EF 8
32 1858.5 5-TN 9
89 8277 i
EF 1
9 482 176 15044.5 Common shiner 4
TN 2
5 69 EF 1
1 7
5 TN 3
61 707 67 783 i
Spottail shiner 4
TN 6
24 357.4 EF 7
290 1404.5 5
TN 3
15 185 329 1946.9 Silvery minnow 4
TN 1
1 10 EF 2
31 305 5
TN 1
1 20 33 335 Juvenile Cyprinidae 4
EF 2
81 382 81 382 Brown bullhead 4
TN 2
2 489 5
TN 4
4 1265 6
1754
-163-


TABLE 8.5-2 i
TABLE 8.5-2 i
                                      ' FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM 1982 Station Capture No. of                         No. Weight               Soecies Totals
' FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM 1982 Station Capture No. of No.
          -Species                 No.                   Method
Weight Soecies Totals
* Coll.       Fish         Grams-         No.             Weight
-Species No.
    -Yellow bullhead               5                     TN               1     1                     55     1                       55 Chain pickerel                 4                     TN               1     1                   497 5                     TN               2     2                 1747       3                 2244 American eel                   4                     TN               3     2                 1954 EF               6   10                 5650 5                     TN               4     3                 2927     15               10531 Banded killifish               4                     EF               1     1                     2   1                         2 White perch                   4                     TN         91       730 135878.9                                               )
Method
EF         13       257     28648.5                                             '
* Coll.
  .                                5                      TN         45       585         115266 EF           .1     26                 4931 8                     TN               3     7                 1579-EF               1     2                   380 1607       2866u3.4 Yellow perch 4                     TN         71       831     72773.9 SH               1     1                   5.8
Fish Grams-No.
                                                          -EF         15       394             22095 5                     TN         35       425             42371 I                                                           EF
Weight
-Yellow bullhead 5
TN 1
1 55 1
55 Chain pickerel 4
TN 1
1 497 5
TN 2
2 1747 3
2244 American eel 4
TN 3
2 1954 EF 6
10 5650 5
TN 4
3 2927 15 10531 Banded killifish 4
EF 1
1 2
1 2
White perch 4
TN 91 730 135878.9 EF 13 257 28648.5 5
TN 45 585 115266 EF
.1 26 4931 8
TN 3
7 1579-EF 1
2 380 1607 2866u3.4 Yellow perch 4
TN 71 831 72773.9 SH 1
1 5.8
-EF 15 394 22095 5
TN 35 425 42371 I
EF 1
11 71 3
^
^
1    11                    71 3 8                     TN               3     8                   383 1670       138341.7 Walleye                       4                     TN         29       58             40365 EF             6     18                 9557 5                     TN         14       15             18136 EF             1     2                 3069     93               71127 Tessellated darter.           4                     SH             1     3                   3.2                                 ;
8 TN 3
: j.                                  5                      SH             1     1                   0.9     4                     4.1   i
8 383 1670 138341.7 Walleye 4
:    Smallmouth bass               4                     TN         59       158             36097 SH             2     28             105.1                                     <
TN 29 58 40365 EF 6
EF         14       96           22693 5                     TN         31       112           32846 EF             1     7                 1175 8                     TN             2     4                   692 EF             1     7                 1770   412         95378.1 I
18 9557 5
                                                              -164-
TN 14 15 18136 EF 1
2 3069 93 71127 Tessellated darter.
4 SH 1
3 3.2 5
SH 1
1 0.9 4
4.1 j.
i Smallmouth bass 4
TN 59 158 36097 SH 2
28 105.1 EF 14 96 22693 5
TN 31 112 32846 EF 1
7 1175 8
TN 2
4 692 EF 1
7 1770 412 95378.1
-164-


TABLE 8.5-3 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM 1982 Station Capture No. of         No. Weight   Species Totals Species         No.       Method
TABLE 8.5-3 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM 1982 Station Capture No. of No.
* Coll. Fish   Grams   No. Weight l Largemouth bass         4         TN         5       6     2558 SH         l       1       4.8 l                                   EF.     11       55     30948 5         TN         5     24   .4245 EF         1     17   11725 103     49480.8 Pumpkinseed             4         TN       46     348   35261 EF         8     49     1370 5         TN       29     127   15056 EF         1       5       469 529     52156 Bluegill                 4         TN         8     16   1332.5 EF         4       7       208 5         TN         4     15       225 EF         1       4       673   42     2438.5 Lepomis spp.             4         SH         1       5     10.6 EF         2       5       6.5 5         SH         1       6       8.0   16       25.1 Rock bass               4         TN       38     122   11497 5         TN       26     124   15767 8         TN         3     17     1189 EF         1       3       461 266     28914 TOTALS NORTH 0F VERNON DAM 6399 1352217.9 s
Weight Species Totals Species No.
Method
* Coll.
Fish Grams No.
Weight l
Largemouth bass 4
TN 5
6 2558 SH l
1 4.8 l
EF.
11 55 30948 5
TN 5
24
.4245 EF 1
17 11725 103 49480.8 Pumpkinseed 4
TN 46 348 35261 EF 8
49 1370 5
TN 29 127 15056 EF 1
5 469 529 52156 Bluegill 4
TN 8
16 1332.5 EF 4
7 208 5
TN 4
15 225 EF 1
4 673 42 2438.5 Lepomis spp.
4 SH 1
5 10.6 EF 2
5 6.5 5
SH 1
6 8.0 16 25.1 Rock bass 4
TN 38 122 11497 5
TN 26 124 15767 8
TN 3
17 1189 EF 1
3 461 266 28914 TOTALS NORTH 0F VERNON DAM 6399 1352217.9 s
* TN--Trap net, GN--Gill net, SH--Seine haul, EF--Electrofishing.
* TN--Trap net, GN--Gill net, SH--Seine haul, EF--Electrofishing.
                                          -165-
-165-


l TABLE 8.6-1 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS SOUTH OF VERNON DAM 1982 Station Capture No. of       No. Weight Species Totals Species       No.       Method
l TABLE 8.6-1 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS SOUTH OF VERNON DAM 1982 Station Capture No. of No.
* Coll. Fish _   Grams   No. Weight   l
Weight Species Totals Species No.
  -Alosa spp.           2         GN       1         1   1191                     j 3         TN       1         1       3   2       1194   1
Method
                                                                                    -l Atlantic '. salmon   3         TN       1       1     162     1       162   1
* Coll.
  -White sucker         2         TN       19       39   33453 GN       1       1     903 EF       1       5   4620 3         TN     41       169 136240 GN       3       3   3137 EF       5       51   42557   268     220910 Carp                 3         TN       1       1     53 EF       2       4   21062     5       21115 Fallfish             3         TN       2       2     555 GN       1       1     71 7   3       1272
Fish _
  -Golden shiner.       2         'TN       1       1     107 3         TN       5       7     257 GN       2       3     314 EF       1       1     130   12         808 Spottail shiner-     2           TN       1       1     10 3         TN       3       3     28 SH       1       14   21.7   18       59.7 Brown bullhead-     2           TN       4       5   1933 3         TN       9       17   7459 GN       1       1     648   23       10040 Yellow bullhead       3         TN       1       1     492     1         492 l'                                                                                   \
Grams No.
  -Northern pike         3         TN       1       1   2550 EF       1       1   2380     2       4930 Chain pickerel       2           TN       1       1     915     1         915 )
Weight l
American eel         2           TN       5       5   2839 EF       1       2     907 3           EF       5       20   6919   27       10665 Banded killifish     3         SH       1       1     0.2     1         0.2 White perch         2           TN       8       25   6469 3           TN     23       50   12532 EF       2       9   2819   84       21820
-Alosa spp.
                                          -166-I
2 GN 1
1 1191 j
3 TN 1
1 3
2 1194 1
-l Atlantic '. salmon 3
TN 1
1 162 1
162 1
-White sucker 2
TN 19 39 33453 GN 1
1 903 EF 1
5 4620 3
TN 41 169 136240 GN 3
3 3137 EF 5
51 42557 268 220910 Carp 3
TN 1
1 53 EF 2
4 21062 5
21115 Fallfish 3
TN 2
2 555 GN 1
1 71 7 3
1272
-Golden shiner.
2
'TN 1
1 107 3
TN 5
7 257 GN 2
3 314 EF 1
1 130 12 808 Spottail shiner-2 TN 1
1 10 3
TN 3
3 28 SH 1
14 21.7 18 59.7 Brown bullhead-2 TN 4
5 1933 3
TN 9
17 7459 GN 1
1 648 23 10040 Yellow bullhead 3
TN 1
1 492 1
492 l'
\\
-Northern pike 3
TN 1
1 2550 EF 1
1 2380 2
4930 Chain pickerel 2
TN 1
1 915 1
915
)
American eel 2
TN 5
5 2839 EF 1
2 907 3
EF 5
20 6919 27 10665 Banded killifish 3
SH 1
1 0.2 1
0.2 White perch 2
TN 8
25 6469 3
TN 23 50 12532 EF 2
9 2819 84 21820
-166-I


TABLE 8.6-2 FISHES OF THE CONNECTICUT.' RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS SOUTH OF-VERNON DAM:
TABLE 8.6-2 FISHES OF THE CONNECTICUT.' RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS SOUTH OF-VERNON DAM:
1982
1982
                      . Station Capture No.-of         No. Weight   Species Totals Species   .
. Station Capture No.-of No.
No.      Method
Weight Species Totals Species No.
* Coll. Fish   Grams     No. Weight i   Yellow perch         -2         TN       16         55   6477 t                                   -GN         1         1     243 L                           3       TN       35     1 51   14645 L                                   GN       .1         3     285 EF         4         12   1587   -222     23237 Walleye                 2       TN         1         2   1218 3-       TN.       11         12   8928-GN         1         1     268 EF         2         3     907     18     11321 4
Method
. Smallmouth bass         2       TN       21       '85   17175 EF         1         4     880 3       TN       45     162     35077 SH.       1         3   16.8 EF       .6         69   14294   323   67442.8
* Coll.
. .Largemouth bass         2       TN-       1         1     39 3       TN       12         37     811     38       850 Pumpkinseed           2       TN         4         11     326-
Fish Grams No.
,                          3       TN       30       .92     6466
Weight i
.                                  GN         1         1     152 i                                   SH         l         1       2
Yellow perch
;-                                  EF-       2         3     237   108     '7183 4
-2 TN 16 55 6477 t
Bluegill-             2       TN         6         8 1252.5
-GN 1
,                          3       TN       33       101   16276 EF         2         12   1469   121   18997.5 4
1 243 L
Lepomis spp.           2       TN         1         6     10 4
3 TN 35 1 51 14645 L
3       TN         4         22     78 SH         3     238     95.9   266     183.9
GN
[   Rock bass             2       TN       26       133   18350 3       TN       -50       329   44050 f
.1 3
GN         2         3     351 EF         4         9   1168   474     63919
285 EF 4
    . Black crappie         3       TN         1         1     15     1         15 TOTALS SOUTH OF VERNON DAM   2019   487532.1
12 1587
-222 23237 Walleye 2
TN 1
2 1218 3-TN.
11 12 8928-GN 1
1 268 EF 2
3 907 18 11321 4
Smallmouth bass 2
TN 21
'85 17175 EF 1
4 880 3
TN 45 162 35077 SH.
1 3
16.8 EF
.6 69 14294 323 67442.8
.Largemouth bass 2
TN-1 1
39 3
TN 12 37 811 38 850 Pumpkinseed 2
TN 4
11 326-3 TN 30
.92 6466 GN 1
1 152 i
SH l
1 2
EF-2 3
237 108
'7183 Bluegill-2 TN 6
8 1252.5 4
3 TN 33 101 16276 EF 2
12 1469 121 18997.5 Lepomis spp.
2 TN 1
6 10 4
3 TN 4
22 78 4
SH 3
238 95.9 266 183.9
[
Rock bass 2
TN 26 133 18350 3
TN
-50 329 44050 f
GN 2
3 351 EF 4
9 1168 474 63919
. Black crappie 3
TN 1
1 15 1
15 TOTALS SOUTH OF VERNON DAM 2019 487532.1
* TN-Trap net, GN-Gill net, SH-Seine haul, EF-Electrofishing.
* TN-Trap net, GN-Gill net, SH-Seine haul, EF-Electrofishing.
                                            -167-
-167-


TABLE     8.7                                                                           FREQUENCY DISTRIBUTION OF FISH SPECIES
TABLE 8.7 FREQUENCY DISTRIBUTION OF FISH SPECIES
                                                                                          -BY TOTAL LENGTH 1982 Total       .                                            .              SMALLM0UTH Length   WHITE PERCH                   ' YELLOW PERCH                       BASS             PUMPKINSEED     BLUEGILL         ROCK BASS' (mm)   No.                 Wgt.(g)-       No.           Wgt.(g)         No. Wgt.(g)       No. Wgt.(g) No. Wgt.(g)   No. Wgt.(g) 0-20 21-40 41-60                                                                       4           'll       3         9   10       21       1.       4 61-80         4                 22         9                 51         9           44     16       106   14       62 81-100     10                     96         43               348         11         120       10       159   1       17       7     117 101-120     16                   229         24               334         5           89     25       695.                   26     736-121-140         1                 35         33               928         4         134       65     3180   2       91     44     2011 4
-BY TOTAL LENGTH 1982 Total SMALLM0UTH Length WHITE PERCH
141-160   24                   1331       170               6291         21'       1071       35     2871   2     137       91     6559
' YELLOW PERCH BASS PUMPKINSEED BLUEGILL ROCK BASS' (mm)
: 2. 161-180   57                   4088       110               6045'       41       2679       152     17682- 20     2272-   181     17855 g; 181-200 153                   14841       211               16383         50       4419       97     15332 -42     6473     210     29437 e   201-220 171                   23350       220               23321         52       6294         9     1699   40     8474     118     21970 221-240 336                   61381       166               23399       120       18294         2       524   12     3810       37     8765 241-260 337                   78072       100           .17985           85       16151                                         11     3215 261-280 156                   44465         48             11001         71       17228                                         4     1433 281-300   64                   22664         9               2369         68     20459 301-320     12                   5164         1               375         43       16707 321-340         2               1051                                       29     .12919 341-360                                                                     12       6582 361-380                                                                     9       5742
No.
_381-400                                                                     9       7002 401-420                                                                     8       6400 421-440                                                                     5       5203 441-460                                                                     1       1130 461-480                                                                     3       4153 481-500                                     -
Wgt.(g)-
TOTALS 1343                 256789       1144           108830           660     152831       414   42257   143   21357     730'   92102
No.
_ ._ --                  ,          1 _.2._      L 9                                                 m
Wgt.(g)
No.
Wgt.(g)
No.
Wgt.(g)
No.
Wgt.(g)
No.
Wgt.(g) 0-20 21-40 41-60 4
'll 3
9 10 21 1.
4 61-80 4
22 9
51 9
44 16 106 14 62 81-100 10 96 43 348 11 120 10 159 1
17 7
117 101-120 16 229 24 334 5
89 25 695.
26 736-121-140 1
35 33 928 4
134 65 3180 2
91 44 2011 141-160 24 1331 170 6291 21' 1071 35 2871 2
137 91 6559 4
2.
161-180 57 4088 110 6045' 41 2679 152 17682-20 2272-181 17855 g;
181-200 153 14841 211 16383 50 4419 97 15332
-42 6473 210 29437 e
201-220 171 23350 220 23321 52 6294 9
1699 40 8474 118 21970 221-240 336 61381 166 23399 120 18294 2
524 12 3810 37 8765 241-260 337 78072 100
.17985 85 16151 11 3215 261-280 156 44465 48 11001 71 17228 4
1433 281-300 64 22664 9
2369 68 20459 301-320 12 5164 1
375 43 16707 321-340 2
1051 29
.12919 341-360 12 6582 361-380 9
5742
_381-400 9
7002 401-420 8
6400 421-440 5
5203 441-460 1
1130 461-480 3
4153 481-500 TOTALS 1343 256789 1144 108830 660 152831 414 42257 143 21357 730' 92102 1
.2.
L 9 m


TABLE 8.7-2 FREQUENCY DISTRIBUTION OF FISH SPECIES BY TOTAL LENGTH 1982 Total Length   WHITE SUCKER                 CARP                     WALLEYE (mm). No.       Wgt.(g)         No.       Wgt.(g)     No.             Wgt.(g) 0-20 21-40 41-60 61-80 81-100     1           7 101-120     1-         11 121-140     7         152 141-160     2           71           1         53         1               34 161-180                                                     1               48 181-200     1           66                                 2         . 140 201-220     1           123                                 4               301 221-240     1           129                                 3'             269 241-260     1           157 261-280     3           665 4
TABLE 8.7-2 FREQUENCY DISTRIBUTION OF FISH SPECIES BY TOTAL LENGTH 1982 Total Length WHITE SUCKER CARP WALLEYE (mm).
281-300     8         2163                                 3               562 301-320     7         2319                                 5             1306 321-340     7         2922                                 7             2115 341-360     6         2763                               10             3555 361-380   28         15524                                 6             2517 381-400   37         23130                                 6             3009 401-420   68       49198                                 9             5013 421-440   -77       62385                                 10             6826 441-460   67       60960           1       1590-       7             5217 461-480   39         39334           1         992         9             8159 481-500   28         30090           2       4790         6             6050
No.
  . 501-520     8         9757                                 4             4380 521-540     1         1467                                 2             2608 541-560                                                     2             3217 561-580                               4       12080         5             7800 581-600                               7       22740         4             7042 601-620                             10       35230         1             2040 621-640                               8       32050         2             4230 641-660                             14       59420         1             2380 661-680-                             11       47380 681-700                               6       27710 701-720                               5       25830         1             3630 721-740                               3       16620 741-760                               4       26200 761-780                               1       9750 781-800 TOTALS   399       303393           78     322435     111             82448
Wgt.(g)
                                    -169-
No.
Wgt.(g)
No.
Wgt.(g) 0-20 21-40 41-60 61-80 81-100 1
7 101-120 1-11 121-140 7
152 141-160 2
71 1
53 1
34 161-180 1
48 181-200 1
66 2
140 201-220 1
123 4
301 221-240 1
129 3'
269 241-260 1
157 261-280 3
665 281-300 8
2163 3
562 4
301-320 7
2319 5
1306 321-340 7
2922 7
2115 341-360 6
2763 10 3555 361-380 28 15524 6
2517 381-400 37 23130 6
3009 401-420 68 49198 9
5013 421-440
-77 62385 10 6826 441-460 67 60960 1
1590-7 5217 461-480 39 39334 1
992 9
8159 481-500 28 30090 2
4790 6
6050 501-520 8
9757 4
4380 521-540 1
1467 2
2608 541-560 2
3217 561-580 4
12080 5
7800 581-600 7
22740 4
7042 601-620 10 35230 1
2040 621-640 8
32050 2
4230 641-660 14 59420 1
2380 661-680-11 47380 681-700 6
27710 701-720 5
25830 1
3630 721-740 3
16620 741-760 4
26200 761-780 1
9750 781-800 TOTALS 399 303393 78 322435 111 82448
-169-


                                -GRAMS i.e s.       gg,0003 1100 - 500
-GRAMS i.e s.
                    ,oon _         4g _                                                   RESI. DENT FISH SPECIES 77                                        COMPOSITION BY WEIGHT 900 - 4oo _                                                                 1982 SURVEY
gg,0003 1100 - 500 77 RESI. DENT FISH SPECIES
                              ~                     '
,oon _
                  -   n-350 -
4g _
                                                      /[ / ,
COMPOSITION BY WEIGHT 900 -
h                E-y 600 -                                               //
4oo _
                                                                        /
1982 SURVEY
a                  250 -                   /
/[ /,
p 500 -
~
S                 200 -
350 -
n-h E-
//
y 600 -
/
250 -
/
a
< 500 -
p S
200 -
400 -
400 -
10     --
10 z
'                     '~ ~                   ~
'~ ~
z o_          o        /             /n        /E /                   /             /
/
n       .
/E /
le
/
                                                                !,=
/
                                                                                  .5 s    i.si          e.    .
~
s" Si Em       1:
/n o_
WE 25     e4       53 i
o n
2 55 er     s8 38       05     =0       2"     rd       58       5     'a   #h FIGURE 8.2 2000 1800 -
s i.
e.
Si le
!,=
WE
.5 si i
55 s"
Em 1:
25 e4 53 2
er s8 38 05
=0 2"
rd 58 5
'a
#h FIGURE 8.2 2000
[/
[/
                                                                                /
RESIDENT FISH SPECIES 1800 -
RESIDENT FISH SPECIES COMPOSITION BY NUMBER
/
                                  '"        ~
COMPOSITION BY NUMBER
1982 SURVEY I400 -                               /
~
1982 SURVEY I400 -
/
en 1200 -
en 1200 -
                                                                                                /
//
g iOOO -
g iOOO -
                            , --                                                                / ,/,
V,/,
V               Y       /                               V
: V Y /
: A AA A/>!/>/1/A E!            .w          ;
: A AA A/>!/>/1/A I_
I_      $    E .,  =
E.,
h   Ne
E!
:=      n
=
                                                                  !      Ih 2-
.w h
                                                                                  < !#    !s       I    kb    $i e=                                                       e     se OS     00     10       ?*     rd e
Ne Ih I
58 2
kb
5    !r!    #3 FIGURE 8.3
$i
                                                                        -171-
!s e=
:=
n 2-e se e
2
!r OS 00 10
?*
rd 58 5
#3 FIGURE 8.3
-171-


        -....w.-.             -
-....w.-.
SEICEPS REHTO LLA M-e
SEICEPS REHTO LLA M-e SIRTSEPUR SETILPOLBMA
                                                                                                            %        SIRTSEPUR SETILPOLBMA
.PPS SIMOPEL A
                                                                                                      -          .PPS SIMOPEL A
H IQ m
H I
n(
Q m                                                                                                 .
IUEIMOLOD SURETPORCIM m
IUEIMOLOD n( $                                                                                            .
g O
g      SURETPORCIM m
DC m.
O   DC m.
T Z
T Z n( O
n(
* S NECSEVALF y]                                                                                                   -
O S NECSEVALF y]
ACREP   -
ACREP I
I  nc b
nc b
E                                                                                                                             o H o                                                                                                                 ANACIREMA   3 z                                                                                             ,
E o
ENOROM m N
H o
. - o n(
3 ANACIREMA z
m  >a 3                                                                                                                   EADINIRPYC O                                                                                                                 SUONEGIDNI
ENOROM m
    )2 m.
No n(
1
>a m
                                                                          '                                                OIPRAC SUNIRPYC J
3 EADINIRPYC O
asse           '
SUONEGIDNI
g,,,       ,"7,,       ,
)2 m.
ers'                                                            INOSREMMOC
1 OIPRAC SUNIRPYC J
                                                    .7,,                                                                             .
asse ers'
                                ,                      sr si *"' 3y,, sevrh 07 - 969 t -                           SUMOTS OTAC I           I         I                     I         I I     I I   I O                   O     O O   O     O           O         O                   o         5         o e     e N   m     a           a         w 5
,"7,,
g,,,
INOSREMMOC
.7,,
sr si *"' 3y,,
SUMOTS OTAC sevrh 07 - 969 t -
I I
I I
I I
I I
I O
O O
O O
O O
O o
5 o
5 e
e N
m a
a w
THGlEW YB TNECREP l
THGlEW YB TNECREP l
                                                        -LLE-
-LLE-


                                                              -ell-PERCENT BY NUMBER a       e n e e 5 o       5               8       o       o           o       o O O O O
-ell-PERCENT BY NUMBER a
                        !              I         l       i         I       I I I I
e n
                          - - t'' * - 70 5* ** '
e e
ists ,
5 o
COMMERSONI                                                   - - **7'
5 8
                        , a ise,                                           ...o s***
o o
o o
O O
O O
I l
i I
I I
I I
- - t'' * - 70 5* ** ' ists,
COMMERSONI
- - **7'
, a ise,
...o s***
CYPRINUS CARPIO
CYPRINUS CARPIO
                                                                                          *U m
*U m
INDIG ENOUS                                                                           2 O
INDIG ENOUS 2
CYPRINIDAE                                                                           M g    g a m O
O CYPRINIDAE Mg g
MORONE
a m
                -                                                                        m  g n AMERICANA                                                                             g 2 5                                                                                         o H c                                                                                         K -
O g
g
m MORONE n
$                                                                                        C  65 71 m                                                                                         SE I PERCA FLAVESCENS                                                                           3 O (/)
AMERICANA g
                                                                                        .Z "U m
2 5
CD O
o H
                =N                                                                       -< -
c K
MICROPTERUS     -                                                                      M Z (f)
g 71 C
DOLOMlEUI                                                                             C E
65 m
[D     !
SE I
m      I 2)
PERCA FLAVESCENS 3
O
(/)
.Z "U
m CD O
=N M
MICROPTERUS Z
(f)
DOLOMlEUI C
E
[D m
2)
LEPOMIS SPP.
LEPOMIS SPP.
A AMBLOPLITES     .-
A AMBLOPLITES RUPESTRIS ALL OTHER SPECIES
RUPESTRIS   %
ALL OTHER         _
SPECIES                       -


TABLE 8.8 AGE-GROWTH DATA - WHITE PERCH-ALL COLLECTIONS Number             1969 - 1973                                       1982 of       Number   Total Length (mm)               Number       Total Length (Imn)
TABLE 8.8 AGE-GROWTH DATA - WHITE PERCH-ALL COLLECTIONS Number 1969 - 1973 1982 of Number Total Length (mm)
Annuli'   Specimens Average Extremes                 Specimens     Average     Extremes
Number Total Length (Imn)
:                0        47.         91         62-130             27         105       71-189 i               1           8       178         169-194             -66           180'       96-222 2         94       202         155-245           434           215     147-263   )
Annuli' Specimens Average Extremes Specimens Average Extremes 0
3        253       231         175-276           308           234       105-293 4       112       244         204-303           212           249     156-305 5         18       267         239-311           153           260       210-310 6         5       284         270-308               76         267     200-305 7         0         -                -
47.
32         271   '230-310 COLLECTIONS NORTH OF VERNON DAM Number 1969-1973                                         1982
91 62-130 27 105 71-189 i
            'of         Number   -Total Length (mm)               Number       Total Length (mm)
1 8
Annuli     Specimens Average Extremes                 Specimens     Average Extremes
178 169-194
                'O         43         90           62-130:           26         105       71-189 1         7       176         169-180               63         180       96-222 2         64       198         155-235           405           213     147-263 3       '118       224         175-276           288           233     105-293 i
-66 180' 96-222 2
4         48       239         204-285           202           248     156-291
94 202 155-245 434 215 147-263 3
: 5.       12       269         247-311           147           260     210-300 1                6         4       278         270-296               76         267     200-305
253 231 175-276 308 234 105-293 4
:            7         0         -                -
112 244 204-303 212 249 156-305 5
29         269     230-310 I
18 267 239-311 153 260 210-310 6
5 284 270-308 76 267 200-305 7
0 32 271
'230-310 COLLECTIONS NORTH OF VERNON DAM Number 1969-1973 1982
'of Number
-Total Length (mm)
Number Total Length (mm)
Annuli Specimens Average Extremes Specimens Average Extremes
'O 43 90 62-130:
26 105 71-189 1
7 176 169-180 63 180 96-222 2
64 198 155-235 405 213 147-263 3
'118 224 175-276 288 233 105-293 i
4 48 239 204-285 202 248 156-291 5.
12 269 247-311 147 260 210-300 6
4 278 270-296 76 267 200-305 1
7 0
29 269 230-310 I
I COLLECTIONS SOUTH OF VERNON DAM i
I COLLECTIONS SOUTH OF VERNON DAM i
l Number             1969-1973                                         1982               :
l Number 1969-1973 1982 of Number Total Length (rmn)
of       Number   Total Length (rmn)             Number       Total Length (Imn)   ;
Number Total Length (Imn)
;          Annuli     Specimens   Average Extremes               Specimens     Average   Extremes
Annuli Specimens Average Extremes Specimens Average Extremes O
!                O          4         94           68-110                 1       109         -
4 94 68-110 1
i
109 i
[.               l'         1       194                 -
3 184 175-200
3      184    175-200 l                2         30       210         178-245               29         239   203-163 l               3       135       235         186-270             20           257   220-281 4         64       247         213-303             10           272   228-305 5         6       263         239-285                   6       274   256-310 6         1       308                 -
[.
0       -          -
l' 1
I l'               7         0         -                -
194 l
3      294   280-302 1
2 30 210 178-245 29 239 203-163 l
                                                    -174-I..______-                                        -        ._-      . - - - -          -. _-
3 135 235 186-270 20 257 220-281 4
64 247 213-303 10 272 228-305 5
6 263 239-285 6
274 256-310 6
1 308 0
l' 7
0 3
294 280-302 1
-174-I..


AGE-GROWTH GRAPHS - WHITE PERCH                                                                         '
AGE-GROWTH GRAPHS - WHITE PERCH
                                                                                                                                        )
)
i mm.       in.
i mm.
in.
350 -
- 13
- 12 300 -
/.*___.
-H sMg/
250 - - 10 f
I 200 --8 e.
e
-7 8
150 --6
,/
-5 100--4 L
-3 1969-1973 50 --2 1982
-l O
O O
I 2
3 4
5 6
7 NUMBER OF ANNULI NORTH AND SOUTH OF VERNON DAM m m.
in, m m.
in.
350 -
350 -
350 -
                                              - 13 300 - - 12
- 13
                                              -H
- 13 '
                                                                                        / .*___.
320 -- 12
250 - - 10 sMg/
- 12 300 -
e.f I 200 --8
- II pe
                                  >-                        e
- 11
                                              -7          8 150 --6
.[,
                                              -5      ,/
/ * ', /
100--4 L
* 250 -- 10 250 -- 10
                                              -3                                                      1969-1973 50 --2                                                        1982      - - - - - - - -
: p..
                                              -l O      O        ,      ,      ,    ,    ,        ,      ,
[,.-
O    I      2      3    4      5        6      7 NUMBER OF ANNULI NORTH AND SOUTH OF VERNON DAM m m. in,                                                          m m.        in.
'.9 x 200 --8 200 --8
350 -                                                                  350 -
-7
          - 13                                                                    - 13 '
/
320 -- 12                                                             300 - - 12
-7
          - II                                       pe                           - 11                                         ""
/
250 -- 10                              .[,
$ 150 --6
* 250 -- 10                        / * ', / *
/
          -,                            p. .                                       -,
150 --6
x 200 --8                   '.9 200 --8                 [ ,.-,
/
          -7               /                                                       -7             /
-5
  $ 150 --6         /
/
                      /                                                    150 --6
-5 f
          -5       /                                                               -5 f
[
130 --4l   /
130 --4l
10 0 --4       [
/
          -3                                                                       -3 50 --2                                                                 50 --2
10 0 --4
          -1                                                                       -1 O     O             ,    ,    ,    ,      ,    ,      ;            0--O               ,      ,  ,    ,      ,      ,  ,
-3
O          1   2     3   4       5     6     7                         0       t     2   3   4     5       6   7 NUMBER OF ANNULl                                                       NUMBER OF ANNULI NORTH OF VERNON DAM                                                   SOUTH OF VERNON DAM FIGUR E 8.6
-3 50 --2 50 --2
                                                              -175-
-1
-1 O
O 0--O O
1 2
3 4
5 6
7 0
t 2
3 4
5 6
7 NUMBER OF ANNULl NUMBER OF ANNULI NORTH OF VERNON DAM SOUTH OF VERNON DAM FIGUR E 8.6
-175-


TABLE 8.9 AGE-GROWTH DATA - YELLOW PERCH ALL COLLECTIONS Number             1969 - 1973                         1982 of     Number       Total Length (mm)       Number Total Length (mm)
TABLE 8.9 AGE-GROWTH DATA - YELLOW PERCH ALL COLLECTIONS Number 1969 - 1973 1982 of Number Total Length (mm)
Annuli Specimens Average Extremes           Specimens Average Extremes 0       45             81       45-118       51     101     70-207 1       44           122       67-183. 223       150     90-223 2       80           192       156-235     370       191     143-288 3       71           216       158-249     288       220     158-276 4       74           234       208-266     120       240     184-287 5       50           251       217-280       34       255     190-295 6       23           270       225-295         9     262     232-280 7         9         281       265-302         6     256     236-267 8         2         285           -
Number Total Length (mm)
1      267          -
Annuli Specimens Average Extremes Specimens Average Extremes 0
9         0           -            -
45 81 45-118 51 101 70-207 1
0         -        -
44 122 67-183.
10         1         305           -
223 150 90-223 2
0          -        -
80 192 156-235 370 191 143-288 3
COLLECTIONS NORTH OF VERNON DAM Number             1969 - 1973                         1982 of     Number       Total Length (mm)       Number Total Length (mm)
71 216 158-249 288 220 158-276 4
Annuli Specimens Average Extremes           Specimens Average Extremes 0       22             83       45-118       36       100     70-207 1       30           126       67-183     194       149     90-223 2       73           190     156-235       326       189     143-288 3       49           218     170-249       261       219     158-276 4       37           232     208-266       90       236     184-278 5       22           251     217-271       29       253     190-295 6'         4         271     261-282         7     269     248-280 7         2         269     265-272         4     254     236-267 8         2         285           -
74 234 208-266 120 240 184-287 5
1      267         -
50 251 217-280 34 255 190-295 6
9         0           -            -
23 270 225-295 9
0          -      -
262 232-280 7
10         1         305           -
9 281 265-302 6
0         -      -
256 236-267 1
COLLECTIONS SOUTH OF VERNON Number           1969 - 1973                           1982 of     Number       Total Length (mm)       Number Total Length (mm)
267 8
Annuli Specimens Average Extremes           Specimens Average   Extremes 0       23             80       47-101       15     103       80-117 1       14           115     101-156       29     156       99-218 2         7         209     174-230       44       210     160-269 3       22           212     158-241       27       235     201-267 4       37           237     211-262       30     253     225-287 5       28           250     230-280         5     270     233-295 6       19           270     225-295         2     237     232-241 7         7         285     267-302         2     259     255-263 8          0           -            -
2 285 0
0         -        -
9 0
9         0           -          -
0 10 1
0         -        -
305 COLLECTIONS NORTH OF VERNON DAM Number 1969 - 1973 1982 of Number Total Length (mm)
10         0           -            -
Number Total Length (mm)
0         -        -
Annuli Specimens Average Extremes Specimens Average Extremes 0
                                    -176-
22 83 45-118 36 100 70-207 1
30 126 67-183 194 149 90-223 2
73 190 156-235 326 189 143-288 3
49 218 170-249 261 219 158-276 4
37 232 208-266 90 236 184-278 5
22 251 217-271 29 253 190-295 6'
4 271 261-282 7
269 248-280 7
2 269 265-272 4
254 236-267 8
2 285 1
267 0
9 0
10 1
305 0
COLLECTIONS SOUTH OF VERNON Number 1969 - 1973 1982 of Number Total Length (mm)
Number Total Length (mm)
Annuli Specimens Average Extremes Specimens Average Extremes 0
23 80 47-101 15 103 80-117 1
14 115 101-156 29 156 99-218 2
7 209 174-230 44 210 160-269 3
22 212 158-241 27 235 201-267 4
37 237 211-262 30 253 225-287 5
28 250 230-280 5
270 233-295 6
19 270 225-295 2
237 232-241 7
7 285 267-302 2
259 255-263 0
8 0
9 0
0 10 0
0
-176-


AGE-GROWTH                             GRAPHS - YELLOW PERCH m m.       in.
AGE-GROWTH GRAPHS - YELLOW PERCH m m.
in.
350 -
350 -
                                                        - 13 300 - - 12                                                           *
- 13 300 - - 12
                                                      - 1I                                   ,. -
- 1I 250 - - 10
250 - - 10
#gf
                                                      -9                           #gf I 200 - -8
-9 I 200 - -8
                                                      ~
~
Z t
Z
,                                         w J 150 --6                 .
,/
                                                                          ,/
t w
                                                                      /
J 150 --6
                                                      -5           j.
/
10 0 --4         <
j.
                                                                ,,                                                  1969-1973 50 --2                                                               1982             ~~     ~~~
-5 10 0 --4 1969-1973 50 --2 1982
                                                      -1 0--O                 g   g   ,  g   g   g   g     g     g     y O I         2 3     4 5 6 7 8 9 10 NUMBER OF ANNULI NORTH AND SOUTH OF VERNON DAM                                                           -
~~
mm. in, mm.       in.
~~~
350   -
-1 0--O g
350 -                                      -
g g
            - 13                                                                               - 13 30 0 -~ 32
g g
* 300 -- 12
g g
            - ll                                               /                             - 11                                       /*
g y
                                                                                                                            ,e, y*' ',e 250 -- 10                                     /*q*,'                             250    - 10                                          .
O I 2 3 4 5 6 7 8 9 10 NUMBER OF ANNULI NORTH AND SOUTH OF VERNON DAM mm.
            -9                      *,e,
in, mm.
                                                /              .
in.
                                                                                              -9                       ,f'./
350 350 -
g
- 13
                                  /
- 13 30 0 -~ 32 300 -- 12
                                                                                                                          /
- ll
Z 200 --8 j        -7              ,
/
                              .',                                                      200 --8
- 11
                                                                                              -7               /
/*
L $ 150 --6             ./                                                             15 0 --6           /
/*q*,'
L                       /                                                                                 !
,e, y*
            -5       ,/ .                                                                     -5       y' 10 0 --4     o 100 --4
250 -- 10 250
            -3                                                                                 -3 50 --2                                                                           50 --2
- 10
            -l                                                 .                              -l
/
        @--O             g  ,    ,        ,  ,    ,    ,      ,    ,              O     O                         ,                    ,
' ',e g
g                           g     g     g     g       g i i O   1   2 3             4 5 6 7 8 9 10                                         O I         2 3 4       5 6 7 8 9 10 NUMBER OF ANNULt                                                                   NUMBER OF ANNULI NORTH OF VERNON DAM                                                                 SOUTH OF VERNON DAM                     "
,f'./
FIGURE 8.7
*,e,
                                                                              -177-
-9
-9
/
/
Z 200 --8 200 --8 j
-7
-7
/
L
$ 150 --6
./
15 0 --6
/
L
/
-5
,/.
-5 y'
10 0 --4 100 --4 o
-3
-3 50 --2 50 --2
-l
-l
@--O O
O g
g g
g g
g g
i i
O 1
2 3 4 5 6 7 8 9 10 O I 2 3 4 5 6 7 8 9 10 NUMBER OF ANNULt NUMBER OF ANNULI NORTH OF VERNON DAM SOUTH OF VERNON DAM FIGURE 8.7
-177-


  .] i ,' [ ;                       3 i         .
.] i,' [ ;
                                                    ,.c               J.,, c .; f.                     " ~- J-'   ; .' M ) *-- g N,; L ;
3 i
* 3 ; .; d '.,* .c,l.; ,.:. . t , . .; . l , h l' p,                               q'(                                                         w                                 "
,.c J.,, c.; f.
          !(             '
" ~- J-'
                                          ..s U
;.' M ) *-- g N,; L ;
                                                                                                            .. \
* 3 ;.; d '.,*.c,l.;,.:.. t,..;. l, h l' p,
:w y
q'(
                      .m                                                             i I                                                                                                           s -c g g                                   TABLE 8.10 3                                         s  s 4                                                                                     /. s . -                 AGE-GROWTH--DATA - WALLEYE
w
                                  ,m                                                                     s '
!(
s                                           ALL COLLECTIONS Number                                          '                1969 - 1973                                                     1982 of                                   Number                     Total Leng T (mm)..                         Number     Total Length (mm).
..s
Annuli                               Specimens                       Average         Extremes             Specimens         Average Extremes 0                                           4                 158       ,
.. \\
129'-186                       6             191           158-208 1                                           8                 216   '
U y
163-275                       17             311           200-420
:w i
                              'o                   2                                       16                   306           246-362                       26             367           318-418 3                                       28                   345           242-392             _s        16             431           330-535 t                   4                   .                    29                   368           021-407               s      12             448           418-492 c                          *'l*I                  5'                       lt            15                   377           303-425 16             503           465-520 6 I'I 6                 436           39 D 2480 "                   9             569           490-610 7                         '
.m I
                                                                                        ,.      3                 484     l '425-527           ,
s -c g g TABLE 8.10 s
6            633           568-715
3 s
_ ._ 3 -
4
                                          <,          ,, t -                                                                               4     p             ~
/. s. -
    ^y,      i                  ,                                                                            COLLECTIONS NORTH GJ VERNON DAM NuhtNtr                                                         1969 - 1973                       '
AGE-GROWTH--DATA - WALLEYE
1982
,m
* i 'E                                 Number                   Total Length (rem),                         Number     Total Length (mm)
's ALL COLLECTIONS s
Annuli                               Specimens                     Averrge         Extremes             Specimens         Average Extremes c       g r        '
1969 - 1973 1982 Number of Number Total Leng T (mm)..
: 0.                                         1, (Lt6                 -
Number Total Length (mm).
6            191           158-208
Annuli Specimens Average Extremes Specimens Average Extremes 0
          \k 1*                                         59                 205"-         163-250                       16             308         '
4 158 129'-186 6
200-420
191 158-208 1
* 2                                         12)                 299           246-362                       23             369.         320-418
8 216 163-275 17 311 200-420
                - I,                               3'                                       16                   346           291-2.92                     10             449           407-535 4                                         13                   370           321/407                       10             450           418-492 5                                       'll                   388           3 6 4 - 4'<' 5               14             504           465-520 t      .
'o 2
6                            N'             5                  446      4  409-430 ,                     7             576           490-610
16 306 246-362 26 367 318-418 3
        \             (                            7i                                           1                 527     h         ~~
28 345 242-392 16 431 330-535
l           6             633           568-715
_s t
                    /             g                                                                            COLLECTIONS SOUTH OF VERNON DAM JAumbetz
4 29 368 021-407 12 448 418-492 s
:l'969 - 1973                                                     1982 3 o f- I ,                             Number                   Total Length (mm)                           Number     Total Length (mm)
*'l 5'
Ahnu,ll                               Specimens                     Average Extremes                     Specimens         Average Extremes s
l t 15 377 303-425 16 503 465-520 c
O                                           3                 149           129-180                       4               -              -
*I 6 I'I 6
1                                           3                 234           176-275                       1             362             -
436 39 D 2480 "
                                          ~!       2,                                           4                 326           303-337                       3             354           318-387 i s
9 569 490-610 7
8 3'                                       12                   338           242-390                       6             402           330-435 l
3 484 l '425-527 6
4'                                       11                   367           331-402                       2             438           432-443 5                                           4                 347           303-383                       >2             500           480-520 5
633 568-715
6                                           1                 390                 -
_._ 3
2              545           530-560 7                                           2                 463           425-501-                       0               -              -
,, t -
                                                                                                                                                                                  ~
4 p
~
COLLECTIONS NORTH GJ VERNON DAM
^y, i
NuhtNtr 1969 - 1973 1982
* i 'E Number Total Length (rem),
Number Total Length (mm)
Annuli Specimens Averrge Extremes Specimens Average Extremes c
g 0.
1, (Lt6 6
191 158-208 r
1*
59 205"-
163-250 16 308 200-420
\\k 2
12) 299 246-362 23 369.
320-418
- I, 3'
16 346 291-2.92 10 449 407-535 4
13 370 321/407 10 450 418-492 5
'll 388 3 6 4 - 4'<' 5 14 504 465-520 N'
409-430,
7 576 490-610 t
6 5
446 4
\\
7i 1
527 h
l 6
633 568-715
~~
(
/
COLLECTIONS SOUTH OF VERNON DAM g
JAumbetz
:l'969 - 1973 1982 3 o f-I,
Number Total Length (mm)
Number Total Length (mm)
Ahnu,ll Specimens Average Extremes Specimens Average Extremes s
O 3
149 129-180 4
1 3
234 176-275 1
362
~!
2, 4
326 303-337 3
354 318-387 i
8 s
3' 12 338 242-390 6
402 330-435 l
4' 11 367 331-402 2
438 432-443 5
4 347 303-383
>2 500 480-520 5
6 1
390 2
545 530-560 7
2 463 425-501-0
~
s
s
(                                                             's' . , (
(
's
(
s.
s.
r6                                 -178-
r6
                                                                                }
-178-v
v                                                                                              '
}


{.--.
{.--.
t                                                                                                                                                                                                                 .
t
  ,j                                                 AGE-GROWTH                                     GRAPHS - WALLEYE                                                                 L.l ' . - ,
,j AGE-GROWTH GRAPHS - WALLEYE L.l '. -,[
',''l.4 m m.
in.
[
[
                                                                                                                                                                                        ' ,''l.4 m m.            in.                                                          ,.                                              t                 : -
t 600
[
/
600           .
v.;
s
s'.
                                                                                                                                    /                                                    v.;                                       s'.
y s
y
- 22
_  - 22                                                     '
/
                                                                                                                              /                                                     '.
7,...., :. i -
7,.             .. ., :. i -
4
                                                                    ,._                                                    ,                                                            ~ ,.                                          4
~,.
                                                                                                                    ,e'
~
                                                                                                                                                                                                                                          ~
,e' 600 - - 20
600 - , - 20                                                                   .
~, '
                                                                                                                                                                                            ~, '
e/
-18 v
400 -
,16
,f
, /.
f.
- 14
."t x
e/
e/
                                                                ,,    -18                                    ,.'                                                                                                        -
~
v 400 -          ,16
=%
                                                                                                      ,f                                                                                                        ,
/
x
g 3o4
                                                                    - 14
- 12
                                                                                                , /.      f.                                                                                  ,                  ."t g 3o4             - 12                   /
/
                                                                                              /
a t
e/                                                                                a
w
                                                                                                                                                                                                        ~
.{. ' L'.
                                                                                                                                                                                                                                =%
E
w                  _                    t E           -  - 80               /
- 80
                                                                                    /
/
i     .                                                                                      .{ . ' L'.*.                .
i
200 --8                   ,,                                                                                                                        ,.
/
                                                                                  ''                                                          1969-1973 150 --6                                                                                                                                         ..
200 --8 1969-1973 150 --6 10 0 --4 1982
10 0 --4                                                                               1982               - - - - - - -
,. j,.
                                                                    -                                                                                                                          , . j, .
50 --2 0--O
50 --2                                                                                                                     : :: .;
[?'- k,..
0--O                             ,       g     g g       i         i       g     g                                     [?'-                          k, . .
g g
O          I       2     3   4       5       6       7     8                                     :
g i
                                                                                                                                                                                      . a. .: -                                 ' .y 4 NUMBER OF AN NULI                                                                         - '                    ' '?
i g
NORTH AND SOUTH OF VERNON DAM                                                                     ; ..                                    -:
g
                                                                                                                                                                                                                              .:5,
'.y 4 O
                                                                                                                                                                                                  %           s..
I 2
3 4
5 6
7 8
. a..: -
NUMBER OF AN NULI
' '?
NORTH AND SOUTH OF VERNON DAM
.:5,
% s..
se
se
                                                .\                                                                                                                                               ,u
.\\
                                                                                                                                                                                                  ,.                              ~
,u
m m.        in.                                                                        ,.              mm.         in.                                                           7'J 600      _
~
                                                                                          *f
mm.
                                                                                              '                600     _                                                              { -' % ^*
in.
                - 22                                                                   /                            -
7'J m m.
                                                                                                                        - 22                                                             :.. .,
in.
                                                                                ,f                .
600 600
s ,.                           -
{ -' %
500 -- 20                                                         ,e                                   500-- 20                                           e'                     . ,l. .
*f
                  -                                                  ,#                                                -                                        /                    -v.                      ..
- 22
: 9.           . .
^*
            -    - 18                                 .--.'                            .                          -  - 18                                 ,f'
- 22
* l              ..              *d'.7 t                              j                                   -
/
                                                                                                                                                      , *' ,s 400 -- 16                               f                            e f                              400 -- 16                           s
s,.
                                                                                                                                                                            ,              i, ,  -
,f 500 -- 20
                                                                                                                                                                                                                            .]
,e 500-- 20 e'
                  -                            t                                                                        -
.,l..
e ' -* '
/
y.7*s
,f'
  .T
-v.
            -- 14
l 9.
                                        /                                                                          -   - 14
*d'.7
                                                                                                                                                      ./*N.                              ..
- 18
                                                                                                                                                                                                                    ,.Jl
- 18 t
' E 300 -- 12                   ,
j
                                            .                                                                  300 -- 12                                                               'q. .(                             .
, ',s i,,
w                                                                                                                     -                                                                      .
.]
2      -- 80                                                                                                  -   - 80                                                           4-                                .*
f f
t 800 --8           /
400 -- 16 400 -- 16 e
7*                                                                                 200 --8                                                                     .,.                                  ..],
s ty.7*s e ' -* '
            -    -6                                                                                                 --6           <                                                          v ''
./*N.
10 0 --4                                                                                               10 0 --4                                                                     -                                -:.
-,.Jl
            -    -2                                                                                                 --2                                                                 ,,,".                                      .
- 14
O--O                   ,          ,          ,        ,            ,          y      g    ,        0--O                     g     g     i     i     g       g   i i       ;. ,.,
.T
O        I         2         3         4           5           6       7     8                         0       1   2     3     4     5       6   7 8           --
-- 14
NUMBER OF ANNULl As'. '
/
i, NUMBER OF ANNULl                                                                                                                                       .
' E 300 -- 12 300 -- 12
NORTH OF VERNON DAM                                                                                           SOUTH OF VERNON DAM                             p C.. (:l
'q.
                                                                                                                                                                                                                                            ~
.(
FIGURE 8.8                                                                                         . . :-;s
w
                                                                                                      -179-                                                                                 .:.,,~ '                               - -
- 80 4-2
                                  .                                                                                                                                                . ; . , 0.          ,                              .
-- 80 t
[ '., . s                                   #        .,-
800 --8
/
..],
7*
200 --8
-6
--6 v ''
10 0 --4 10 0 --4
-2
--2 O--O 0--O y
g g
g i
i g
g i
i O
I 2
3 4
5 6
7 8
0 1
2 3
4 5
6 7
8 As'.
i, NUMBER OF ANNULl NUMBER OF ANNULl NORTH OF VERNON DAM SOUTH OF VERNON DAM p C..
(:l FIGURE 8.8
.. :-;s
~
-179-
.:.,,~ '
. ;., 0.
[ '.,. s


TABLE 8.11 AGE-GROWTH DATA - SMALLMOUTH BASS ALL COLLECTIONS Number                             1969 - 1973                                             1982 of                     Number       Total Length (un)                           Number Total Length (mm)
TABLE 8.11 AGE-GROWTH DATA - SMALLMOUTH BASS ALL COLLECTIONS Number 1969 - 1973 1982 of Number Total Length (un)
Annuli Specimens Average Extremes                             Specimens                     Average Extremes 0                           16         68     45-102                             13     123     86-245 1                           25       164     108-213                             81     178   100-266 2                           31       206     161-255                             195     225   152-284 3                           59       239     197-293                             199     265   192-334 4                           50       275     220-315                             71     308   221-395 5                           36       305     262-350                             22     342   265-412 6                           16       346     305-376                             14     393   335-465 7                           4       370     343-406                               5     382   352-422 8                           1       357         -
Number Total Length (mm)
6      427   410-445 9                           2       412     398-425                               0       -        -
Annuli Specimens Average Extremes Specimens Average Extremes 0
10                             0         -        -
16 68 45-102 13 123 86-245 1
0      -        -
25 164 108-213 81 178 100-266 2
11                             1       411         -
31 206 161-255 195 225 152-284 3
0       -        -
59 239 197-293 199 265 192-334 4
COLLECTIONS NORTH OF VERNON DAM Number                               1969 - 1973                                           1982 of                       Number     Total Length (mm)                           Number Total Length (mm)
50 275 220-315 71 308 221-395 5
Annuli Specimens Average Extremes                               Specimens                   Average Extremes 0                           5           50     45-57                               5     136     88-245 1                           21       161     108-213                             50     179   100-266 2                           29       205     161-255                             80     228   162-282 3                           44       235     197-293                             99     270   193-334 4                           23       272     220-315                             41     310   257-395 5                           23       300     262-339                             13     348   265-412 6                           12       339     305-362                             10     391   345-465 7                           2       386     365-406                             4     372   352-398 8                            0          -        -
36 305 262-350 22 342 265-412 6
5      425   410-445 9                           1       398         -
16 346 305-376 14 393 335-465 7
0       -      -
4 370 343-406 5
10                             0         -          -
382 352-422 8
0       -      -
1 357 6
11                             0          -        -
427 410-445 9
0       -        -
2 412 398-425 0
COLLECTIONS SOUTH OF VERNON DAM Number                               1969 - 1973                                             1982 of                         Number   Total Length (mm)                           Number Total Length (mm)
0 10 0
Annuli Specimens Average Extremes                               Specimens                 Average   Extremes 0                           11           76     51-102                               8     116     86-177 1                           4       173     150-207                             31     176   104-223 2                           2       225     211-238                           115     223   152-284 3                         15         252     232-274                           100     261   192-322 4                         27         279     245-305                             30     305   221-363 5                         13         312     290-350                               9     332   291-383 6                           4       346     352-376                               4     399   335-440 7                           2       334     343-364                               1     422       -
11 1
8                            1       357         -
411 0
1    435       -
COLLECTIONS NORTH OF VERNON DAM Number 1969 - 1973 1982 of Number Total Length (mm)
9                            1       425         -
Number Total Length (mm)
0       -      -
Annuli Specimens Average Extremes Specimens Average Extremes 0
10                             0           -        -
5 50 45-57 5
0        -      -
136 88-245 1
11                             1       411         -
21 161 108-213 50 179 100-266 2
0       -        -
29 205 161-255 80 228 162-282 3
                                                        -180-
44 235 197-293 99 270 193-334 4
23 272 220-315 41 310 257-395 5
23 300 262-339 13 348 265-412 6
12 339 305-362 10 391 345-465 7
2 386 365-406 4
372 352-398 5
425 410-445 8
0 9
1 398 0
0 10 0
0 11 0
COLLECTIONS SOUTH OF VERNON DAM Number 1969 - 1973 1982 of Number Total Length (mm)
Number Total Length (mm)
Annuli Specimens Average Extremes Specimens Average Extremes 0
11 76 51-102 8
116 86-177 1
4 173 150-207 31 176 104-223 2
2 225 211-238 115 223 152-284 3
15 252 232-274 100 261 192-322 4
27 279 245-305 30 305 221-363 5
13 312 290-350 9
332 291-383 6
4 346 352-376 4
399 335-440 7
2 334 343-364 1
422 8
1 357 1
435 9
1 425 0
0 10 0
11 1
411 0
-180-


AGE-GROWTH                     GRAPHS - SM ALLMOUTH 8 ASS m m.         in.
AGE-GROWTH GRAPHS - SM ALLMOUTH 8 ASS m m.
in.
450 -
450 -
400 - -     16                                                     ,    ,/
400 - - 16
                                            -                                                        i
,/
                                                                                                    / j* % ,
i
/ j* %,
350 -- 14
350 -- 14
                                                                              , y/               *
, y/
                                                                                                  /
/
300 -- 12                           ,f
300 -- 12
[ 250 -- 10
,f
                                                                      ,i
,i
                                                                  ' ff U 200 --8 f*/
[ 250 -- 10 ff f*/
U 200 --8
/
150 --6 100 --4 1969-1973
~
1982 50 --2 0
0 O I 2 3 4 5 6 7 8 9 10 11 NUMBER OF ANNUL 1 NORTH AND SOUTH OF VERNON OAM m m.
in, m m.
in.
450 -
450 -'
*N, f
400 -- 16 400 -- 16
.e i
f 350 -- 14 350 -- 14 f
,s'
*,/*,f
~
~
300 -- 12
,f 300 -- 12 f
h 200 -- 10
, f' 250 -- 10 8
,v a 200 --8
/*
200 --8
~
s p
~
100 --6 f
150 --6
150 --6
                                                      /
/
100 --4                                                                                    1969-1973
y
                                            ~
/
1982            -------
10 0 --4 10 0 - -
50 --2 0      0          ,    ,    ,    ,                    ,    ,  ,      ,  ,  ,  ,
00 --2 50 --2 O I 2 3 4 5 6 7 8 9 IO ll 0 1 2
O I        2 3 4                            5 6 7 8 9 10 11 NUMBER OF ANNUL 1 NORTH AND SOUTH OF VERNON OAM m m. in,                                                                            m m.          in.
3 4 5
450 -                                                                                  450 -'
6 7 8 9 10 11 NUMBER OF ANNULI NUMBER OF ANNULI NORTH OF VERNON DAM SOUTH OF VERNON DAM FIGURE 8.9
f
-181-
                                                                                                                                              ,        *N, 400 -- 16                                                  .                          400 -- 16                                          .e f                                                                                              i 350 -- 14                          .'                                                    350 -- 14                                f #.    *"*
                                                                                                                                  *,/*,f
        ~                                                                                              ~
                                  ,s' 300 -- 12                    ,f
                                      .                                              300 -- 12                                f h 200 -- 10              , f'                                                          250 -- 10 8
                        ,v                                                                            -                -
a 200 --8              /*                                                          200 --8
        ~          *                                                                                ~
s                                                                                                p 100 --6      f                                                                          150 --6              y
                                                                                                                  /
                                                                                                                /
10 0 --4                                                                                   10 0 -         -                                                                                            -     ,,
00 --2     ,
50 --2 O I     2 3     4 5       6 7 8 9 IO ll                                                     0 1       2   3 4     5   6 7 8 9 10 11 NUMBER OF ANNULI                                                                               NUMBER OF ANNULI NORTH OF VERNON DAM                                                                             SOUTH OF VERNON DAM FIGURE 8.9
                                                                    -181-


LITERATURE CITED APHA et al. 1976. Standard methods for the examination of water and wastewater. 14th edition. Published jointly by American Public Health Association, American Water Works Association and Water Pollution Control Federation; Washington, D.C.
LITERATURE CITED APHA et al.
Aquatec, Incorporated. 1975. Ecological studies of the Connecti-cut River, Vernon, Vermont. Report IV, January-December 1974.
1976.
Standard methods for the examination of water and wastewater.
14th edition.
Published jointly by American Public Health Association, American Water Works Association and Water Pollution Control Federation; Washington, D.C.
Aquatec, Incorporated.
1975.
Ecological studies of the Connecti-cut River, Vernon, Vermont.
Report IV, January-December 1974.
Report prepared for Vermont Yankee Nuclear Power Corporation.
Report prepared for Vermont Yankee Nuclear Power Corporation.
1976. Ecological studies of the Connecticut River, Vernon, Vermont. Report V, January-December 1975. Report Prepared for Vermont Yankee Nuclear Power Corporation.
1976.
1979. Hydrothermal and biological studies, Connecticut River, Vernon, Vermont. Phase V October 1977-May 1978. Report pre-pared for Vermont Yankee Nuclear Power Corporation.
Ecological studies of the Connecticut River, Vernon, Vermont.
Binkerd, R. C. et al. 1983. Operational and biological studies, the Vermont Yankee / Connecticut River system. First progress report, 1981 and 1982. Aquatec, Inc., South Burlington, Vermont.
Report V, January-December 1975.
                                                                -183-}}
Report Prepared for Vermont Yankee Nuclear Power Corporation.
1979.
Hydrothermal and biological studies, Connecticut River, Vernon, Vermont.
Phase V October 1977-May 1978.
Report pre-pared for Vermont Yankee Nuclear Power Corporation.
: Binkerd, R.
C.
et al.
1983.
Operational and biological studies, the Vermont Yankee / Connecticut River system.
First progress report, 1981 and 1982.
Aquatec, Inc., South Burlington, Vermont.
-183-}}

Latest revision as of 03:28, 15 December 2024

Ecological Studies of Connecticut River,Vernon/Vt, Rept XII for 1982
ML20073P170
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Issue date: 04/20/1983
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Text

_

O

ECOiOG~CA S_J::ES OF HE CONN:EC~~;;C_' R VER VERNON/V ERMON

REPORT XII JANUARY 1982 - DECEMBER 1982 PREPARED FOR VERMONT YANKEE NUCLEAR POWER CORPORATION BY AQUATEC, INC.

SOUTH BURLINGTON, VERMONT 1983

$S04$888AoS$8oS91 R

PDR

ECOLOGICAL STUDIES OF THE CONNECTICUT RIVER REPORT XII VERMONT YANKEE NUCLEAR POWER CORPORATION TABLE OF CONTENTS 1.

INTRODUCTION AND

SUMMARY

l 2.

CONNECTICUT RIVER DISCHARGE 11 3.

RIVER TEMPERATURE 17 4.

WATER QUALITY STUDIES 65 5.

PLANKTON STUDIES 107 5.1.Phytoplankton Studies 107 5.2 Zooplankton Studies 118 6.

ENTRAINMENT STUDIES 127 7.

BENTHIC FAUNA STUDIES 133 8.

FISH STUDIES 151 8.1 Fish Impingement Studies 151 8.2 Resident Finfish Studies 156 LITERATURE CITED 183 iii

LIST OF FIGURES 1.1 Vermont Yankee Power Level Histogram, 1982 3

1.2 Vermont Yankee Sample Stations 4

2.1 Connecticut River Discharge, Vernon, Vermont, 1982 12 3.1 Temperature, Station No.

3, 1982 18 3.2 Temperature, Station No. 7, 1982 19 4.1 Dissolved Oxygen, Station No. 3, 1982 70 4.2 Dissolved Oxygen, Station No. 7, 1982 71 4.3 pH, Station No. 3, 1982 72 4.4 pH, Station No.

7, 1982 73 4.5 Comparison of Observed Station 3 Sodium Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1969-1974 74 4.6 Comparison of Observed Station 3 Sulfate Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1969-1974 75 4.7 Comparison of Observed Station 3 Chloride Ion Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1967-1974 76 4.8 Comparison of Observed Station 3 Alkalinity Concentrations with Station 3 Concentrations Predicted from Preoperational/ Closed Cycle Data, Stations 7 and 3, 1967-1974 77 5.1 Plankton Sample Station Locations 108 5.2 Seasonal Phytoplankton Distribution, Station No. 7 - Monitor 110 5.3 Seasonal Phytoplankton Distribution, Station No. 3 - Monitor 111 5.4 Seasonal Zooplankton Distribution, Station No. 7 - Monitor 120 5.5 seasonal Zooplankton Distribution, Station No. 3 - Monitor 121 7.1 Benthic Fauna Sample Station Locations 134 8.1 Fish Sample Stations 157 8.2 Resident Fish Species.

Composition by Weight, 1982 Survey 171 8.3 Resident Fish Species, Composition by Number, 1982 Survey 171 v

LIST OF FIGURES (CONT'D) 8.4 Resident Fish Species.

Percentage Composition by Weight 172 8.5 Resident Fish Species.

Percentage Composition by Number 173 8.6 Age-Growth Graphs ---White Perch 175 8.7 Age-Growth Graphs ---Yellow Perch 177 8.8 Age-Growth Graphs --- Walleye 179 8.9 Age-Growth Graphs--- Smallmouth Bass 181 LIST OF TABLES 2.1 Connecticut River Discharge Vernon, Vermont, Summary of Daily Means, 1965-1982 13 2.2 Connecticut River Discharge, Vernon, Vermont, Summary of Monthly Means, 1965-1982 13 2.3 Occurrence of Connecticut River Minimum Flow, Vernon, Vermont, 1982 15 3.1 Temperature Data, Station No.

3, 1982 24 3.2 Temperature Data, Station No. 7, 1982 36 3.3 Differences in Successive Hourly Mean Temperatures in F at Monitor 3, 1982 48 3.4 Frequency Distribution of Rate of Change of Temperature at Monitor 3, 1982 22 3.5 Differences in Hourly Mean Temperature in *F at Monitor 3 and Monitor 7, 1982 56 3.6 Frequency Distribution of Differences in Hourly Mean Temperatures Between Monitor 3 and Monitor 7, 1982 23 4.1 Dissolved Oxygen and pH Data, Station No.

3, 1982 78 4.2 Dissolved Oxygen and pH Data, Station No. 7, 1982 90 4.3 Results, Water Quality Analysis, 1982 102 4.4 Sammary of Statistics from Linear Regression Analysis of Preoperational and Closed Cycle Data at Stations 7 and 3 for Four Parameters 68 5.1 Dominant Phytoplankton Species, 1982 109 5.2 Comparison of Observed Monitor 3 Phytoplankton Count with Monitor 3 Count Predicted by Regression Analysis of Low Range Preoperational/ Closed Cycle Monitor Data of 1970-1974 113 5.3 Checklist of Net Phytoplankton of the Connecticut River near Vernon, Vermont, 1982 116 5.4 Mean Percentages and Percentage Ranges of Diatoms, Flagellates, Green, and Blue-Green Algae, 1982 115 vi

LIST OF TABLES (CONT'D) 5.5 Dominant Zooplankton Taxa, 1982 119 5.6 Comparison of observed Monitor 3 Zooplankton Count with Monitor 3 Count Predicted by Regression Analysis of Preoperational/ Closed Cycle Monitor Data of 1970-1974 122 5.7 Checklist of the Zooplankton of the Connecticut River near Vernon, Vermont, 1982 124 5.8 Mean Percentages and Percentage Ranges of Protozoa, Copepoda, Cladocera, and Rotatoria, 1982 123 6.1 Summary of Results, Vermont Yankee Entrainment Studies, 1982 129 6.2 Percent Changes in Live Plankton Concentrations Between Entrainment Intake and Discharge Samples, 1982 130 6.3 Calculated Percent Changes in Live Plankton Concentrations of River Effected by Entrain-ment, 1982 131 7.1 Checklist of the Benthic Fauna of the Connecticut River near Vernon, Vermont, 1982 140 7.2 Comparison of Number of Samples and Number of Genera of Benthos Collected by Ekman Dredge 135 7.3 Summary of Results of Analysis, Benthic Fauna Samples, 1982 138 8.1 Summary of Weight and Total Length Extremes of Fish Species Collected in 1982 Impingement Studies 153 8.2 Summary by Month of Number and Weight in Grams of Fish Species Collected in Impingement Studies, 1982 154 8.3 Summary of Fishing Effort and Results, 1982 161 8.4 Fishes of the Connecticut River in the Vicinity of Vernon, Vermont, 1982 162 8.5 Fishes of the Connecticut River in the Vicinity of Vernon, Vermont, Collections North of Vernon Dam, 1982 163 8.6 Fishes of The Connecticut River in the Vicinity of Vernon, Vermont, Collections South of Vernon Dam, 1982 166 8.7 Frequency Distribution of Fish Species by Total Length, 1982 168 8.8 Age-Growth Data --- White Perch 174 8.9 Age-Growth Data --- Yellow Perch 176 8.10 Age-Growth Data --- Walleye 178 8.11 Age-Growth Data --- Smallmouth Bass 180 8.12 Age-Growth Data --- Largemouth Bass, 1982 160 vii

9 SECTION 1 INTRODUCTION AND

SUMMARY

b

1.

INTRODUCTION AND

SUMMARY

Vermont Yankee Nuclear Power Corporation's generating station in Vernon, Vermont, established four operating records in 1982.

Its thermal capacity factor for 1982 was 94.0%, the best production record for all boiling water reactors in the world in 1982.

The highest capacity factor achieved by Vermont Yankee in prior years was 81.1% in 1981.

Power was generated during 8409 hours0.0973 days <br />2.336 hours <br />0.0139 weeks <br />0.0032 months <br /> of 1982, 96.0% of the time.

During the hours of power generation, the average power level was 98.0%.

Figure 1.1 is a graph of the plant's record of power production in 1982.

Environmental studies of the Connecticut River near Vernon, Vermont, were conducted in 1982 in accordance with a schedule of such studies detailed in Vermont Yankee's NPDES permit.

Addi-tional studies were conducted in 1982 under the study program, approved by the states of Vermont and New Hampshire, for Pro-ject SAVE.

That project has been undertaken to ascertain whether some operation in the period mid-May to mid-October in open or hybrid cycle modes of condenser cooling could be util-ized in order to increase energy production without adversely affecting the Connecticut River ecosystem.

Under the conditions established for this test program, Vermont Yankee utilized hybrid /open cycle cooling for the last two weeks in May and from mid-September to mid-October.

Special biological studies, augmenting the routine NPDES studies, were conducted throughout the five months, May 16 to October 14, when Vermont Yankee's NPDES permit mandates closed cycle con-denser cooling.

The results of these special studies have been reported separately (Binkerd et al. 1983).

This report, the twelfth in a series, details the studies conducted in 1982 to._

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CHESTERFIELD SCALE IN MILES 9

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conform with the conditions-of Vermont Yankee's NPDES permit.

Eight sampling stations in the Connecticut River near Ver-non, Vermont, were used in earlier studies.

The approximate lo-cations of these stations are shown in Figure 1.2.

Collections were made at only six of these stations in the 198 2 studies.

The locations of these six in river miles north and south of Vernon Dam are shown below.

Station No.

Location Relative to Vernon Dam 2

4.70 miles south 3

0.65 miles south 4

0.55 miles north 5

1.25 miles north 7

4.25 miles north 8

8.70 miles north

SUMMARY

OF RESULTS Water Quality Studies The maximum Connecticut River discharge of spring run-off occurred in 1982, as is usually the case at Vernon,'in April.

Mean discharge for that month was 39,503 cfs, a greater April flow rate than the April average for the previous 17 years.

The maximum daily discharge was 70,889 cfs on April 19 and the maximum hourly discharge, 74,695 cfs, occurred on April 18 and 19.

River flow rates in the other months of 1982 were gener-ally low relative to those observed in the previous 17 years.

Flows were particularly low in September and October, when the maximum daily discharge was smaller than had occurred in the previous 17 years.

Despite the relatively low river flow rates in September and October, no new record temperatures of the river were ob-served then, either upstream or downstream of Vermont Yankee..

However, in December record hourly temperature maxima, relative to previous years of study, were observed at both Monitor 7, upstream of Vermont Yankee, and at Monitor 3, downstream of the plant.

At Monitor 3, a record monthly maximum occurred in November also.

The monthly mean temperatures in November and December were also greater than had been recorded in the previous 14 years of temperature data.

l Vermont Yankee operated in 1982, during the period of open cycle operation allowed under its NPDES permit, within the three thermal criteria imposed upon such operation by the permit.

These conditions require that Vermont Yankee's discharge not effect a temperature at Monitor 3 greater than 65*F; the maximum hourly mean temperature observed there during NPDES open cycle operation was 58.5 F on October 25.

The maximum allowable rate of temperature change between successive hourly average tempera-tures at Monitor 3 is 5*F per hour; the maximum observed was 3.2"F per hour on March 8.

The maximum allowable increase in river temperature effected by Vermont Yankee's discharge is 13.4 F; the maximum difference observed between downstream Moni-tor 3 temperature and upstream Monitor 7 temperature was 9.1 F on October 29.

The average dissolved oxygen concentrations for the months of April and June at Monitor 7 were greater in 1982 than had been observed in the prior 12 years.

The monthly maximum D.O.

at that upstream station was also larger for those two months than in earlier years.

At the downstream monitoring station, mean D.O. concentrations for April and June were also greater than in former years.

And record maximum D.O.

concentrations were observed there in March and April.

With one exception, all pH maxima and minima recorded in 1982 were within extremes noted in earlier years.

The May minimum of 6.8 at Monitor 3 was 0.1 pH unit lower than the previous minimum observed there

=

in May..

)

i 4

Grab samples were collected at Stations 3 and 7 on four dates in 1982 and analyzed for sixteen water quality parameters.

With two minor exceptions, the concentrations of all parameters were found to be within ranges observed in former years.

The total iron concentration in the September sample from Monitor 3 was 0.02 mg/l less than the earlier minimum there and the chlor-ide ion concentration in the March sample at Monitor 7 was 0.5 mg/1 greater than the prior maximum there.

Biolotrical Studies Diatoms predominated, as in earlier study years, in the net phytoplankton samples collected via the monitor pumps at Stations 3 and 7.

Diatoms constituted 50% or more of all the Monitor 7 samples and all the Monitor 3 samples except that of January.

In general, the species composition of the 1982 samples was similar to that of earlier years.

Algal concentrations in the net' collections of 1982 were less than the mean concentrations observed in the years 1970-74 in all months but January and February at Station 7 and in all months but July at Station 3.

Only the 119 algal units per liter observed at Monitor 7 in January was more than two stand-ard deviations greater than the monthly means of 1970-74.

The concentrations of phytoplankters observed in the July sample at Monitor 3 exceeded the mean count of the years 1970-74 by less than two standard deviations.

However, this July Monitor 3 count was greater than that predicted by the application of a statistical analysis of the 1970-74 data to the July count ob-served at upstream Station 7 in July.

Zooplankton concentrations in the monitor samples of 1982 were generally low.

All zooplankton counts in 1982 were less than the mean counts observed for the corresponding month in the years 1970-1974.

All Monitor 3 concentrations in 1982 were within the 95% confidence limits for a concentration pre-dicted from. upstream counts by a statistical analysis of 1970-74 zooplankton data..

Rotifers, as in prior years, were the predominant zooplank-ters in the 1982 samples.

They constituted at least 50% of the organisms found in 11 of the 12 Station 3 samples and in 8 of the Station 7 samples.

The most commonly occurring rotifer was Philodina sp., which was found in 18 of the 24 monitor samples.

Relatively large percentages of protozoans, particularly Vorti-cella sp., were found in the fall and winter samples.

A total of 145 taxa were observed in the 1982 benthos collections by Ekman dredge and Henson trap.

Fifty-six taxa were found in Station 2 samples, 57 in Station 3 samples, 77 in Station 4 samples, and 85 in samples collected at Station 5.

Of the 120 genera found in the 1982 samples, 73 genera were observed in the ten Henson trap collections and 99 genera were found in the samples collected by Ekman dredge.

The number of genera observed in 1982 at Stations 3, 4, and 5 was larger than in earlier years.

.The number found in Station 2 samples,'39 genera, was only one less than was found there in 1981.

Chiro-nomid larvae were the predominant organisms in 15 of the 19 samples coll 3;ted upstream of Vernon Dam.

In the downstream samples, caddis fly larvae were dominant in early summer samples.

A variety of forms predominated in late summer and fall--clado-cerans, planarians, and amnicolid snails.

Studies of the extent of fish impingement of Vermont Yan-kee's traveling screens were conducted during both open/ hybrid cycle and closed cycle operations in 1982.

The mean number of fish impinged per test day during open/ hybrid cycle operation was 25; the mean weight per test day was 192 grams.

The great-est impingement rate was observed in September, 102 fish and 29 5 grams per test day.

The average number of fish impinged per closed cycle test day in 1982 was 0.2 fish, the average weight per closed cycle test day was 3.8 grams (0.13 ounces).

i More than 8,000 fiah, weighing approximately 2 tons, were captured in 1982 in 35; ollections made by trap net, gill net, seine haul, and electrofishing.

Twenty-six species were _ - _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ - - _ - _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _

collected at all locations.

Twenty-two species were identified in the collections upstream of Vernon Dam; twenty-one in the collections south of Vernon Dam.

All species observed in 1982 have been collected in the studies of prior years.

Blueback herring and American shad, first observed in 1981, were captured in 1982 also.

These species were introduced into the Vernon reach of the Connecticut River in releases of shad conducted in the program of anadromous fish restoration to the river.

One specimen of Atlantic salmon was taken in a trap net south of Vernon Dam in May, and two salmon were observed to have been impinged, in May also, on Vermont Yankee's circulating water traveling screens.

Comparison of the species composition by number and weight, reduced to a percentage basis, of the fish populations collected in 1982 with such percentages of earlier surveys shows that only the percentage in 1982 of yellow perch by number is outside the extremes observed in prior years.

Yellow perch constituted 22.5% by number of the fishes captured in 1982.

The previous maximum for this species was 17.6% in 1981.

The age-growth data of 1982 for white perch and yellow perch collected north of Vernon Dam are not significantly different from that of the years 1969-73.

However, the data for these species collected south of the dam, and for walleye and small-mouth bass, both north and south of the dam, appear to indicate an increased growth rate relative to the 1969-73 data.

The possibility that Vermont Yankee's discharge of warm condenser cooling water to the river may have contributed to y

an apparent change in growth rate of some fish species will be investigated further in 1983.

No significantly adverse impact of this discharge on the river's ecosystem was discerned by the 1982 ecological studies.,

N G

SECTION 2 CONNECTICUT RIVER DISCHARGE I

l

2.

CONNECTICUT RIVER. DISCHARGE Connecticut River discharge in 1982 at Vernon, Vermont, computed from the records of the Vernon Hydroelectric Station at Vernon Dam, is summarized in Figure 2.1.

The mean flow rate, the maximum daily average flow rate, and the minimum daily average flow rate are plotted for each month of the year.

These data are also shown in Tables 2.1 and 2.2,-along with summary data for the years 1965-81, years for which data have been reported in previous volumes of this series of reports.

Annual maximum discharge rate in 1982 occurred, as is usually the case'at Vernon, in April.

Mean discharge for that month was 39,503 cfs, a flow rate more than one standard deviation greater than the average April discharge recorded in the previous 17. years, 29,200 cfs (Table 2.2).-

The maximum mean daily-discharge in 1982 was 70,889 cfs on April 19 and the maximum hourly discharge, 74,695 cfs, was observed from 2200 on April 18 to 0400 on April 19.

Mean discharge for all months in 1982 was within the extremes observed for the corresponding month in the prior 17 years, but the 1982 means were lower in all months except April, as noted above, and June than the 1965-81 means for each of the months (Table 2.2).

The minimum daily average discharge observed in each month of 1982 was within extremes that had occurred in the previous 17 1

years.

But the maximum daily flow rate in two months, September and October, was smaller than had been observed in those months in the years 1965-81 (Table 2.1)....-

CONNECTICUT RIVER DISCHARGE eo -

VERNON, VERMONT 1982 70 -

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9 10 11 MONTHS M O NTHLY MAXIMUM. --

MONTHLY AVER AGE M O N THLY MINIMUM

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FIGURE 2.1 _

TABLE 2.1

)

~

CONNECTICUT RIVER DISCHARGE VERNON, VERMONT

SUMMARY

OF DAILY MEANS 1965-1982 MAXIMA (cfs)

MINIMA (cfs)

MONTH 1965-81 EXTREMES (YEAR) 1982 1965-81 EXTREMES (YEAR) 1982 JAN 40,567(1973)-5,500(1971) 9,749 7,729(1973)-200(1967) 2,207 FEB 63,883(1981)-5,481(1980) 12,393 10,123(1976)-550(1967) 4,330 MAR 79,300(1968)-14,000(1971)27,364 12,726(1976)-215(1967) 6,243 APR 81,853(1976)-29,685(1981) 70,889 22,771(1974)-7,348(1980) 16,339 MAY 75,900(1972)-16,341(1977) 36,993 16,000(1967)-1,362(1980) 2,204 JUN 39,075(1973)-9,410(1971) 19,631 8,150(1973)-186(1966) 3,419 JUL 80,217(1973)-4,532(1980) 16,514 3,454(1973)-174(1966) 1,331 AUG 38,390(1976)-4,190(1970) 7,013 3,916(1976)-125(1966) 1,340 SEP 25,718(1975)-4,713(1978) 4,697 3,504(1974)-125(1966) 1,345 0CT 60,665(1975)-5,990(1968) 5,308 6,432(1977)-200(1966-68) 1,337 NOV 40,700(1969)-5,930(1971) 10,985 7,835(1977)-128(1965) 3,144 DEC 70,550(1973)-6,128(1978) 9,737 8,608(1973)-240(1967) 1,378 TABLE 2.2 CONNECTICUT RIVER DISCHARGE VERNON, VERMONT

SUMMARY

OF MONTHLY MEANS 1965-1982 MONTH 1965-81 EXTREMES (YEAR) 1965-81 MEANS(STND. DEV.)

1982 JAN 17,532(1973)-2,750(1981) 7,299(4,414) 6,622 FEB 23,999(1981)-2,865(1980) 8,565(6,147) 8,354 MAR 33,588(1979)-5,086(1967) 15,580(8,974) 11,768 APR 51,213(1969)-16,300(1965) 29,200(8,727) 39,503 MAY 42,540(1972)-8,425(1977) 19,900(9,162) 14,339 i

JUN 15,533(1973)-4,421(1980) 8,288(3,304) 8,582 JUL 21,832(1973)-1,800(1965) 5,331(4,794) 4,468 AUG 13,612(1976)-1,759(1970) 4,499(2,999) 2,836 SEP 7,495(1981)-1,846(1978) 4,351(1,953) 2,471 OCT 19,386(1977)-2,388(1968) 7,714(5,354) 2,702 NOV 17,710(1969)-3,138(1971) 9,228(4,243) 6,860 DEC 23,774(1973)-2,990(1978) 9,249(4,884) 6,586 l

t These relatively low flow rates of the late summer and. fall.

of 1982 are evident, also, in the number of hours during which-the Vernon Station passed a minimum. flow rate of 1,250 cfs to comply with a condition of its opera ~ ting license.

A summary by month of the occurrence of minimum flow at Vernon in 1982 is shown in Table 2.3.

For'the year, 248~ periods of minimum flow occurred on 234 days.

Minimum flow was passed during 2,899 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.420695e-4 months <br />, 33.1% of the time.- More than 50% of these hours of minimum flow in 1982 occurred in the months August, September,.and October when a minimum discharge occurred during 1,496 hours0.00574 days <br />0.138 hours <br />8.201058e-4 weeks <br />1.88728e-4 months <br />, 67.8% of the time.

By contrast, in 1981 minimum flow was passed only 28.5% of the hours in these three months.

The duration of the minimum flow periods ranged from one hour to 94 hours0.00109 days <br />0.0261 hours <br />1.554233e-4 weeks <br />3.5767e-5 months <br />; the average duration was 11.7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br />.

By compari-son, the longest period of minimum flow was 47 hours5.439815e-4 days <br />0.0131 hours <br />7.771164e-5 weeks <br />1.78835e-5 months <br /> in 1981,.

62 hours7.175926e-4 days <br />0.0172 hours <br />1.025132e-4 weeks <br />2.3591e-5 months <br /> in 1980, and 65 hours7.523148e-4 days <br />0.0181 hours <br />1.074735e-4 weeks <br />2.47325e-5 months <br /> in 1979.

In September 1978, however, a minimum discharge occurred for 179 hours0.00207 days <br />0.0497 hours <br />2.959656e-4 weeks <br />6.81095e-5 months <br />, more than 1 week.- Mean flow in September 1982 was greater than the mean discharge of September 1978 (Table 2.2) ; but, as noted above, the maximum daily September discharge in 1982 was less than that observed in 1978 (Table 2.1).

1 1

1 __--_

TABLE 2.3 OCCURRENCE OF CONNECTICUT RIVER MINIMUM FLOW VERNON, VERMONT 1982 LONGEST MONTH NO. HOURS

% OF HOURS NO. DAYS NO. PERIODS DURATION (HRS)

JAN 236 31.7 25 29 20 FEB 108 16.1 15 21 11 MAR 77 10.3-11 12 9

APR 0

0 0

0 0

MAY-

~69 9.3-8 10 22 JUN-122 16.9 16 16, 17 JUL 410 55.1 26 24' 94 AUG 481 64.7 31 31 71 SEP 480 66.7 30 25 92 OCT 535 71.9 31 33 85 NOV 202 28.1 23 28 13 DEC 179 24.1 18 19 34

)

(

l k

l SECTION 3 RIVER TEMPERATURE

)

3.

RIVER TEMPERATURE Temperatures. of Connecticut River water are measured continu-ously by temperature monitoring systems, installed in buildings on the Vermont shore of the river at Sample Station 7, upstream of Vermont Yankee, and at Station 3, downstream of the plant.

The temperature data of 1982, reduced to hourly, daily, and monthly means, are shown in Tables 3.1 for Station 3, and in 3.2, for Station 7, at the end of this section of the report.

These data are summarized graphically in Figures 3.1 and 3.2.

-The maxima and minima in those figures are hourly means.

Temperature data have been collected continuously since 1968 at Station 3 and since 1970'at Station 7.

Figures 3.1 and 3.2 also show, in shaded areas, the maximum and minimum hourly mean temperature that has been observed for that month in any of the previous years of study.

The shaded area is divided by a line that connects the points of mean monthly temperatures computed from the data of all previous years for that month.

Monthly mean temperatures observed at the downstream location, Station 3, were greater in January through March, May, and October through December than the 14 year mean for those months in the years 1968-1981.

The November and December means exceeded the highest mean that had been observed in any one of the previous g

14 years.

The November 1982 mean was 48.8'F; the prior record mean for that month was 48.7 F, in 1978.

The highest December mean of the years 1968-1981, 38.2 F, was also observed in 1978; the 1982 mean for December was 38.4*F.

TEMPERATURE STATION NO. 3

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10 11 12 SHADED AREA Maximo,means,and minimo, 1968-1981 MONTHLY MAXIMUM See text.

MONTHLY AVERAGE MONTHW MINIMUM FIGURE 3.1

TEMPERATURE STATION NO. 7 1982 ar ac 90

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  • MONTHLY AVERAGE MONTHLY MINIMUM FIGURE 3.2

The maximum hourly means observed in November and December were greater also than the hourly maxima previously observed then.

The November maximum of 58.2*F exceeded that of 57.5'F in 1971 and the December maximum of 46.8*F was higher than the prior record ~for that month, 44.5'F in 1978.

No record hourly minima were observed at Station 3 in 1982.

At the upstream monitor location, Station 7, monthly mean temperatures were higher than the 12 year means of the years 1970-1981 in May and October through December.

The March and June ~means were lower than the monthly mean in any prior year of record.

The March 1982 mean was 32.2'F; the previous low monthly mean was 32.6'F in 1971.

The June 1982 mean of 63.8*F was lower than the earlier record, 64.l*F in 1972.

Two record hourly mean temperatures were observed at Station 7 in 1982.

The 32.0'F minimum in April was lower than the prior record of 33.0*F, observed in 1978.

The 42.4*F December 1982 maximum exceeded the highest hourly mean temperature previously observed at Station 7, 41.7*F in 1979.

In 1982, Vermont Yankee operated under the conditions of its NPDES permit in the open cycle modes of condenser cooling from January l'through May 15 and October 16 through December 31.

Operation in this mode is permitted in the period October 15 through May 15 under thermal effluent limitations set forth in the permit.

These criteria, which define the maximum allowable impact on the Connecticut River of Vermont Yankee's discharge of heated condenser cooling water, are as follow:

A.

The temperature at Monitor 3 during open cycle operation shall not exceed 65*F-l B.

The rate of change of temperature at Monitor 3 shall not exceed 5 F per hour; and C.

The increase in temperature above ambient at l

Monitor 3 shall not exceed 13.4*F..

4 The temperature records at Station 7 and 3 show that these thermal limitations were not exceeded in 1982.

The maximum hourly average temperature observed at Monitor.3 in the period January 1 to May.15 and October 16'to' December 31 was.58.5'F on October 25.

The maximum rate of. change of temperature'at Monitor 3, the difference between successive hourly average temperatures there, was +3.2*F/ hour, on March 8.

The-largest rate of temperature decrease was -2.9'F/ hour, on December 13.

Tabulations of the hourly rates of change in Monitor 3 temperatures during the periods of NPDES open cycle operation are given in Table 3.3.

These' data.are summarized as a frequency distribution in Table l

3.4.

The mode, the median, and the mean of these data were all 0.0*F.

No direct measure of ambient temperature at Monitor 3 can be

- made at times when Vermont Yankee is discharging heated cooling water into the river upstream of the monitoring _ station.

But

! calculations of temperature differences between Monitor 3, down-stream of-Vermont Yankee, and Monitor 7, upstream of the plant, give an indication of the impact of Vermont Yankee's discharge of Connecticut River temperature.

Tabulations of these differences for the period of Vermont Yankee's open cycle operation under NPDES strictures in 1982 are shown in Table 3.5.

These data are

~

reduced to a frequency distribution of temperature differences in Table 3.6.

The largest temperature difference in the 1982 data was +9.l'F at 1900 on October 29.

The mode and median of these 4

data were each +1.9'F and the mean difference in temperature between Station 3 and Station 7 was +2.4*F.

e r

1 4 1

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TABLE 3.4 Frequency Distribution of Rate of Change of Temperature at Monitor 3 1982 Rate'of Tem rature JAN FEB MAR APR 1-15 16-31 NOV DEC TOTALS e

MAY OCT

-2.9 1

1

-2.8

-2.7 j.6

-2.4

-2.3

-2,2

-2.1 1

1

-2.0 1

1

-1.9 1

1 2

-1.8 1

1 1

3

-1.7 2

1 2

1 3

9

-1.6 6

4 3

1 14

-1.5 5

2 5

2 1

15

-1.4 5

5 1

2 13

-1.3 9

5 1

1 3

19

-1.2 10 4

2 1

4 21

-1,1 8

3 5

8 2

26

-1.0 5

4 8

2 5

2W

-0.9 8

5 5

9 6

33

-0.8 6

4 4

1 8

4 27

-0.7 6

10 2

1 5

5 29

-0.6 7

7 2

3 5

11 35

-0.5 9

9 5

1 1

1 15 14 55

-0.4 11 12 8

5 7

18 9

70

-0.3 18 18 12 10 3-14 27 24 126

-0.2 38 29 31 41 12 44 66 42 303

-0.1 119 119 141 137 70 85 137 136 944 0.0 22 L_l05_ 316 267 l _25 106 163 200 1606 0.1 74 08 98-'~ ~150-73 -

55 ~104 720 0.2 25 34 30 76 50 30 46 41 332 0.3 23 20 18 25 11 17 25 31 170 0.4 17 11 5

5 4

15 22 24 103 0.5 11 6

7 5

19 15 63 0.6 6

6 6

2 7

16 43 0.7 9

7 3

1 1

7 9

37 0.8 5

5 5

7 11 33 0.9 5

2 1

3 7

18 10 6

2 1

3 2

14 ID.

1 2

1 i

3 4

11 1.2 8

1 2

3 1

15 1.3 4

1 2

1 8

1.4 5

1 2

1 9

1.5 2

1 1

1 5

1.6 1

1 1.7 1

1 1.8 1

2 1

1 5

1.9 4

2 1

7 2.0 1

1

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2.2 2

2 4

l 2.3 1

1 2

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2.4 4

1 1

1 7

2.5 1

2 3

2.6 2

1 3

2.7 1

1 l

2.8 3

2 5

2.9 1

1 30 1

2 1

4 13.1 1

l 1

3.2 i

1 l

1

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TABLE 3.6 Frequency Distribution of Differences in Hourly Mean Temperatures Between Monitor 3 and Monitor 7 1982 Hourly Mean JAN FEB MAR APR 1-15 16-31 NOV DEC Totals 4T(*F)

MAY OCT

-0.5 - -0.1 7

26 33 0.0 2

11 13 1

27 0.1 - 0.5 50 10 136 46 16 258 0.6 -

1.0 14 64 312 141 14 10 7

562 1.1 - 1.5 38 11 65 208 116 5

25 85 553 1.6 -

2.0 310 342 313 24 47 7

121 213 1377 2.1 - 2.5 110 136 159 2

16 124 173 720 2.6 -

3.0 43 59 35 34 97 80 348 3.1 - 3.5 16 35 12 31 79 41 214 3.6 - 4.0 16 15 13 22 63 31 160 4.1 - 4.5 17 11 5

20 32 26 111 4.6 - 5.0 12 13 6

18 33 14 96 5.1 5.5' 15 13 12 22 31 18 111 5.6 - 6.0 31 10 20 26 25 13 125 6.1 - 6.5 24 5

11 26 26 8

100 6.6 -

7.0 8

4 1

19 15 7

54.

7.1. 7.5 4

1 27 15 10 57 7.6 - 8.0 2

32 l

2 36 l

8.1 - 8.5 30 1

6 37 8.6 - 9.0 18 10 28 l

9.1 -

9.5 1

1 1 I

TABLE 3.1-1 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION N0. 3 JANUARY 1982 DAILY DAY HOUR 4FERACE I

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

33.6 33.7 33.9 34.6 35.2 36.0 37.9 38.1 38.4 38.7 39.0 39.3 39.9 38.7 37.4 36.0 34.8 34.3 34.1 34.0 34.0 33.9 34.0 34.0 36.0 2

33.8 33.5 33.6 34.0 34.7 35.5 37.1 38.1 39.0 38.2 36.8 35.5 34.8 34.5 34.3 34.2 34.0 34.0 34.2 34.2 34.2 34.3 34.1 34.0 35.0 3

34.0 34.0 36.4 37.7 37.8 37.8 37.9 38.1 38.1 38.2 38.3 39.3 39.0 37.8 37.7 37.7 37.7 37.6 38.1 38.1 36.8 35.3 34.5 34.1 37.2 4

34.0 %.0 33.9 33.9 34.0 33.8 33.6 33.9 36.3 37.6 36.3 35.0 34.4 34.2 34.1 34.3 34.4 35.6 34.6 34.2 34.1 34.1 34.0 34.0 34.5 5

33.9 34.0 34.4 34.6 34.0 33.8 33.5 34.4 34.4 34.3 34.3 34.3 34.2 34.2 34.1 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 34.1 6

34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.9 34.0 34.0 33.9 33.9 33.9 34.0 34.0 34.0 33.9 34.0 33.9 33.9 33.9 33.9 33.9 7

33.9 34.0 33.9 33.9 34.0 34.0 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 34.0 34.0 33.9 33.9 33.9 33.9 33.8 33.9 33.9 33.9 8

33.8 33.9 33.8 33.8 33.7 33.7 33.7 33.7 33.7 33.6 33.7 33.8 33.9 34.2 34.4 34.5 34.5 34.3 34.0 33.9 34.0 33.7 33.7 33.7 33.9 9

33.7 33.8 33.9 34.0 34.1 34.1 34.2 34.2 34.2 34.2 33.9 33.9 34.2 34.4 34.5 34.6 34.6 34.6 34.4 34.0 33.9 33.8 33.8 33.8 34.1 1

10 33.8 33.8 33.9 33.7 34.1 34.3 34.2 34.2 34.2 34.6 34.9 34.9 34.9 35.0 35.0 35.1 36.3 35.3 34.4 34.0 33.8 33.8 33.8 33.7 34.4 M

11 33.5 33.4 33.4 33.4 33.7 33.9 34.3 37.4 38.2 37.5 35.9 34.9 34.4 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8 34.5 f

12 33.9 33.7 33.6 33.7 33.9 34.4 37.4 38.1 36.6 35.0 34.3 34.1 34.1 34.1 34.1 34.1 34.1 34.0 33.9 33.9 33.9 33.9 33.8 33.7 34.4 13 33.6 33.5 33.8 34.8 35.7 36.2 37.5 38.4 38.6 37.4 36.0 34.9 34.5 34.3 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.8 35.0 14 34.0 34.I 34.1 34.2 35.9 37.9 37.9 37.6 36.1 34.9 34.3 34.2 34.0 33.7 33.5 33.5 33.9 34.0 33.9 33.9 33.9 33.9 33.9 33.9 34.6 15 34.2 34.3 34.4 34.4 34.5 35.0 35.1 37.0 35.8 34.7 34.2 34.1 34.1 34.1 34.0 34.1 34.0 33.9 33.9 33.9 33.9 33.9 33.8 33.9 34.4 16 34.1 34.5 34.6 34.6 34.5 34.5 34.6 34.7 37.6 37.9 37.9 36.8 35.4 34.5 34.3 34.2 36.4 35.7 34.8 34.2 34.1 34.0 33.9 33.9 35.1 17 33.9 33.9 33.8 33.7 33.8 33.9 34.0 34.2 36.0 37.9 38.2 37.9 37.7 36.9 36.4 36.1 37.2 35.9 34.8 34.3 34.0 33.9 33.9 33.8 35.3 18 33.8 33.7 33.7 33.8 34.0 34.2 35.4 37.8 37.8 36.3 35.0 34.3 34.I 34.1 34.0 34.0 34.0 33.9 33.9 33.8 33.8 33.8 33.9 33.8 34.5 19 33.8 33.8 33.7 33.7 34.0 34.4 35.1 37.9 38.3 37.1 35.5 34.6 34.2 33.9 33.7 33.7 33.6 33.6 33.5 33.6 33.9 33.9 33.9 33.9 34.5 20 33.9 33.9 33.7 33.8 34.1 34.5 36.8 38.3 37.7 36.1 34.8 34.3 34.1 34.1 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8 34.6 21 33.9 33.8 33.7 33.7 33.8 34.1 36.9 38.1 37.5 35.9 35.0 34.4 34.2 34.1 34.0 34.0 34.0 35.2 35.9 35.1 34.4 34.1 33.9 33.9 34.7 22 33.8 33.8 33.6 33.6 33.6 33.7 34.2 37.0 38.2 37.7 36.2 35.1 34.5 34.2 34.1 34.1 34.0 34.0 34.0 33.9 33.9 33.8 33.8 33.9 34.5 23 33.9 33.9 33.9 34.0 34.2 34.5 35.0 36.2 37.7 38.0 38.3 38.1 37.1 35.5 34.6 34.2 34.1 34.0 34.0 33.9 34.0 34.0 33.9 33.9 35.0 24 33.9 33.9 33.8 33.8 34.4 35.1 35.7 36.3 37.3 38.1 38.0 38.3 38.7 38.9 39.0 39.3 39.3 39.8 38.6 37.5 36.2 35.0 34.6 34.4 36.7 25 34.3 34.3 34.5 35.2 35.6 36.5 37.5 38.3 38.5 37.4 36.1 35.1 34.7 34.5 34.3 34.2 34.1 34.0 34.0 33.9 33.9 33.9 33.9 33.8 35.1 26 33.6 33.5 33.4 33.4 33.5 33.7 35.6 33.6 32.8 32.5 32.5 32.4 32.4 32.5 32.4 32.4 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.3 32.9 27 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 33.6 32.7 32.5 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.6 32.3 32.3 32.2 32.3 32.2 32.4 28 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 33.5 32.6 32.5 32.4 32.6 32.7 32.7 32.7 33.2 32.9 32.8 32.8 32.8 32.8 32.8 32.7 32.6 29 32.7 32.8 33.2 33.6 34.1 34.5 35.0 37.4 36.9 35.2 34.0 33.6 33.5 33.5 33.6 33.7 34.7 35.1 34.0 33.6 33.5 33.4 33.4 33.2 34.1 30 33.1 33.1 33.4 33.8 34.3 34.9 35.6 36.3 38.5 38.5 36.8 35.0 34.2 34.0 33.9 34.0 sysTDs INOPERATlvt 35.0 31 SYSTDI INOPERATIVE MONTHLY AVERACE 34.6

./.

l l

l TABLE 3.1-2 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 FEBRUARY 1982 DAY DAILY HOUR AVERACE 1

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

SYSTDf INOPERATIVE 33.8 33.8 33.8 33.8 33.8 33.8 33.7 2

33.6 33.6 33.7 33.9 34.3 34.6 35.0 38.0 38.9 37.1 35.4 34.7 34.4 34.4 34.4 34.5 36.3 37.1 35.7 34.7 34.3 34.3 34.2 34.1 35.0 3

34.0 33.9 %.! 34.6 36.9 38.0 38.8 38.6 37.9 36.7 35.4 34.6 34.3 34.2 34.1 34.1 34.0 34.0 34.1 34.1 34.1 34.1 34.1 34.1 35.1 4

34.2 34.2 34.2 34.1 34.1 36.0 36.8 35.2 34.3 34.0 33.9 33.9 34.0 34.0 33.9 34.0 35.0 34.7 34.2 33.9 33.8 33.8 33.8 33.8 34.3 5

33.7 33.8 34.1 34.3 34.4 34.2 33.9 33.8 33.7 33.8 33.8 33.8 33.9 33.8 33.9 33.9 33.8 33.8 33.8 33.7 33.8 33.8 33.7 33.8 33.9 6

33.8 33.7 33.7 33.7 33.7 33.7 33.6 33.6 33.6 33.6 33.6 33.6 33.7 33.7 33.8 33.7 33.7 33.6 33.6 33.5 33.6 33.6 33.5 33.5 33.6 7

33.6 33.6 33.7 33.5 33.5 33.5 33.8 33.9 33.9 34.0 33.8 33.8 33.8 33.9 33.9 33.8 33.8 33.7 33.7 33.6 33.6 33.6 33.6 33.7 33.7 8

33.6 33.7 33.9 33.9 34.0 34.0 34.1 34.0 33.8 33.7 33.8 33.9 34.0 34.0 34.0 33.9 34.0 34.7 34.7 34.1 33.8 33.7 33.7 33.9 34.0 9

33.7 33.7 33.9 34.2 34.6 34.6 34.1 33.7 33.6 33.7 33.6 33.6 33.6 33.6 33.6 33.7 33.6 33.6 33.7 33.7 33.7 33.7 33.7 33.6 33.8 l

10 33.7 33.8 33.7 33.7 33.7 33.8 33.8 33.7 33.7 33.6 33.8 33.9'33.9 33.9 33.9 33.9 33.8 33.8 33.8 33.8 33.7 33.7 33.7 33.7 33.8 N

13.7 33.7 33.8 33.9 34.0 %.0 34.0 34.0 33.9 33.8 33.8 33.8 33.8 33.9 33.8 33.9 33.8 33.7 33.8 33.7 33.7 33.7 33.7 33.7 33.8 f

12 33.7 33.7 33.8 33.8 34.0 34.6 34.5 34.0 33.8 33.8 33.8 33.9 33.9 33.9 33.9 34.0 33.9 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.9 13 33.8 33.9 33.9 34.2 34.3 34.4 34.5 34.5 34.7 34.5 34.1 34.0 33.9 34.0 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.8 34.1 14 33.8 34.1 34.4 34.5 34.6 34.7 34.8 34.8 34.8 35.0 35.2 35.2 35.3 35.1 35.0 35.0 35.1 34.5 34.1 34.0 33.9 33.9 33.8 33.8 34.6 15 34.1 %.3 34.5 %.9 35.1 35.2 35.3 35.3 35.4 35.7 34.9 34.3 34.1 34.1 34.5 34.9 35.I 35.4 34.7 34.2 34.0 34.0 34.3 34.8 34.7 16 35.1 35.2 35.2 35.3 35.3 35.3 35.3 35.5 35.3 34.6 34.3 34.2 34.2 34.2 34.3 34.4 34.6 %.5 34.3 34.1 34.0 34.0 34.0 34.3 34.6 17 34.5 34.8 35.0 35.0 35.1 35.2 35.2 35.6 35.2 34.5 34.2 34.1 34.1 34.2 34.2 34.3 34.1 34.0 34.0 34.0 34.0 33.9 33.9 33.9 34.5 18 33.8 33.8 33.7 33.9 34.2 34.4 34.9 36.3 38.2 36.8 35.3 34.7 34.4.34.3 34.3 34.2 34.1 34.0 33.9 33.9 33.9 33.9 33.9 33.9 34.5 19 33.9 33.9 33.8 34.0 34.2 34.5 37.0 37.3 36.4 35.2 34.5 34.1 34.1 34.8 34.0 34.1 34.0 34.0 33.9 33.9 34.0 33.9 34.0 34.0 34.4 20 34.0 34.0 34.0 34.0 33.9 34.0 34.2 34.7 37.3 37.3 35.9 34.9 34.5 34.4 34.3 34.3 34.2 34.1 34.2 34.1 34.0 34.1 34.0 34.0 34.5 21 34.0 34.0 34.0 33.9 33.7 33.8 34.4 35.0 35.6 36.1 37.9 38.5 38.5 37.1 35.7 35.1 34.7 34.3 34.2 34.1 34.0 34.1 34.1 34.1 35.0 22 34.1 34.1 34.0 33.9 33.7 33.9 34.6 37.5 38.3 36.7 35.4 34.7 ' 34.5 34.5 34.7 34.9 35.0 35.5 35.9 37.3 35.8 34.7 34.3 34.2 35.1 23 34.2 34.1 34.0 33.8 33.7 34.0 34.4 37.0 37.7 36.6 35.3 34.6 34.3 34.2 34.2 34.I 34.I 34.0 34.1 34.2 34.I 34.1 34.1 34.I 34.5 24 34.0 34.0 33.8 33.6 33.7 34.1 34.8 37.8 37.7 36.1 35.0 34.5 34.3 34.3 34.3 34.3 34.5 34.5 34.5 35.9 36.2 35.4 34.9 34.7 34.9 25 34.4 34.5 35.7 36.5 36.7 36.4 36.4 37.4 37.3 35.7 34.7 24.4 34.2 34.2 34.1 34.2 34.1 34.8 34.6 34.2 34.0 33.9 33.9 33.9 35.0 26 33.9 33.7 33.6 33.6 33.5 33.8 34.6 37.0 37.6 36.4 35.2 34.4 34.5 34.4 34.3 34.3 34.2 34.2 34.2 35.6 34.6 35.9 37.3 36.4 34.9 27 35.7 35.2 34.9 34.9 34.8 34.7 34.7 34.7 35.4 34.7 34.2 34.2 34.3 34.4 34.6 34.7 34.5 36.0 36.7 35.4 34.5 34.2 34.0 34.0 34.8 28 34.1 %.0 33.9 33.9 34.0 %.2 34.6 37.4 37.6 37.8 38.0 38.2 39.3 38.9 38.1 37.6 36.7 36.4 35.1 34.5 34.2 34.1 34.0 33.9 35.9 MONTHLY AVERACE 34.5

i TABLE 3.1-3 AVERACE ROURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 MARCH 1982 D41LY DAY HOUR AVERACE I

2 3

4 5

6 7

8 9

10 Il 12 13 14 15 16 17 18 19 20 21 22

.23

' 24

~

1 E4 El 34.4 E8 37.8 38.0 38.2 38.4 38.6 37.6 36.1 35.0 34.5 34.4 R2 El 34.1 34.0 El 34.0 34.0 34.0 33.9 34.0 35.4 2

LO 33.P 33.7 33.9 34.4 35.2 37.4 37.9 38.2 37.5 35.9 35.0 E7 34.5 E3 A3 E4 34.6 E S 33.7 34.6 A2 At 33.9 35.1 3

33.9 33.8 33.8 33.9 35.0 38.0 38.I 38.0 38.4 37.4 35.9 A9 AS E4 34.4 34.4 34.7 34.7 34.4 34.2 A0 33.9.34.0 At 35.1 4

34.1 34.0 33.9 33.8 EO 35.4 38.1 38.0 38.4 37.0 35.4 - A6 E 3 34.1. E 0 34.0 E3 E5 A2 A0 33.9 34.0 34.0 A2 34.8 5

E2 34.5 34.8 35.0 35.1 35.0 35.3 35.8 34.8 E3 34.2 A2 - A5 E8 36.0 Al 37.3 37.2 35.7 A7 E2 ' El E4 34.3 35.0 j

6 34.4 35.1 37.7 38.0 37.8 38.0 38.0 38.3 38.3 37.8 36.3 35.2 34.6 E4. A2 34.2 El EO EO 34.0 EO 34.0 EO 34.1 35.6 7

El El EO 33.9 E0 E3 E6 35.1 37.3 37.7 38.0 38.7 37.8' A l A9 E4 E2 El El El EO EO EO A0 35.1 8

33.9 33.8 33.6 33.7 33.9 34.4 37.6 38.2 37.9 36.2 35.1 A7 E6 E5 ' A4 E3 E3 E9 35.5'35.4 E4 E2 At 34.3 34.9 j

9 E4 E3 E2 El E5 37.0 37.0 37.8 36.7 35.5 E8 E6 E5 E4 34.4 E4 34.4 E6 E6 E6 E6 A5 E5 E4 35.0 l

l 10 E4 E4 34.2 E2 E3 36.1 37.4 38.2 37.2 35.7 E9 A6 A6 E6 A5 E4 E3 A3 34.2 A2 A2 34.4. 34.5 E4 A9 I

N E4 E3 El E2 E3 E8 37.3 38.1 37.2 35.7 E7 E4 A2 E2 A2 E3 35.6 35.9 35.0 A4 E2 E2 At El A9 f

12 E2 El E3 35.1 35.7 36.0 37.5 37.1 35.8 E8 R4 E3 A3 E3 A2 A3 E3 A2 R2 El El Al El El E7 l

13 El R0 34.2 34.8 34.4 Al Al A7 35.4 A6 E2 A0 33.9 33.9 33.9 33.9 33.9 33.8 33.9 33.9 33.9 33.9 34.0 A0 El.

14 El 33.8 El El E2 E3 E5 E7 E6 A5 E 6 -34.7 A7 E8 34.7 E7 34.5 AS A3 34.3 A2 34.2 A2 A2 34.4 15 E2 E2 El E2 E2 El El E2 El 34.2 A4 34.5 34.7 E7 A7 E7 E9 34.5 E4 A2 E2 El E l 34.1 A3 16 El El EO E0 E0 33.9 33.9 33.9 33.9 34.0 34.2 E2 R3 E3 A3 A2. El EO A0 33.9 34.0 A0 EO Ao At 17 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.8 33.8 33.8 33.8 33.3 18 33.8 33.8 33.9 33.8 33.8 33.8 33.8 33.8 33.9 EO At 34.2 E3 34.3 A2 A2 El 34.0 '33.9 33.9 33.9 E0 EO A0 A0 19 LO 34.0 34.0 33.9 33.9 33.9 33.9 33.9 33.9 E0 Al E 2-34.2 E2 Al El El A0 34.0 34.0" EO 33.9 33.9 33.9 E0 20 LO 33.9 33.9 33.9 33.9 33.9 33.9 33.9 EO EO A2 34.3 E4 R4 E4 E4 E3 34.1 A0 34.0 33.9 EO EO 33.9 34.1 21 34.0 EO 33.9 33.8 33.8 33.8 33.9 33.9 33.9 RO E0 E0 E0 33.9 E0 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 33.9 22 33.9 33.9 33.8 33.9 33.9 33.9 33.8 33.9 33.9 33.9 EO A2 A3 34.3 34.2 E2. E2 El EO 33.9 33.9 33.8 33.8 33.8 34.0 23 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.9 33.9 E0 Al R2 E3 A3 E3 A2 At 33.9 33.9 33.8 33.8 33.8 33.8' 33.9 24 33.8 33.8 33.8 33.8 33.8 34.0 33.8 33.8 33.8 33.9 At 34.2 A2 E3 A2 E2 El AD 33.9 33.9 33.8 33.8 33.8 33.8 33.9 25 33.8 33.8 33.8 33.8 33.8 13.8 33.7 33.7 33.7 33.9 El A2 E2 E3 A3 E3 34.2 34.1 AO 33.9 33.7 33.7 33.7 33.7 33.9 -

26 33.7 33.6 33.5 33.5 33.5 31.5 33.6 33.6 33.6 33.5 33.5 33.4 33.3 33.2 33.2 33.2 33.2 33.1 33.0 33.0 32.9 32.9 32.9 32.9 33.3 27 32.9 32.8 32.9 32.8 32.9 32.9 32.9 32.9 32.9 33.0 33.0 33.0 33.1 33.1 33.1 33.1 33.0 32.9 32.9 32.9 32.9 32.9 33.0 32.9 32.9 28 32.9 32.9 32.8 32.9 32.9 32.9 33.0 33.0 33.0 33.1 33.3 33.4 33.4 33.5 33.5 33.5 33.5 33.4 33.3 33.2 33.2 33.2 33.2 33.2 33.2 29 33.2 33.1 33.I 33.1 33.1 33.2 33.2 33.3 33.3 33.4 ~ 33.5 33.5 33.6 33.6 33.7 33.7 33.6 33.5 33.4 33.4 33.3 33.4 33.3 33.3 33.4 30 33.3 33.3 33.3 33.3 33.3 33.2 33.2 33.3 33.3 33.4 33.8 33.7-33.7 33.8 33.9 33.9 33.9 33.8 33.7 33.6 33.6 33.5 33.2 32.9.

33.5 31 32.8 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.8 32.8 32.8 32.8 32.8 32.8 32.8 32.9 33.0 33.1 33.1 33.2 33.1 32.8 MONTHLY AVERAGE E3 t-

TABLE 3.1-4 AVERACE HOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION N0. 3 APRIL 1982 DAY DAILY HOUR AVERACE I

2 3

4 5

6 7

8 9

to 12-13 14 15 16 17 18 19 20 21 22 23 24 1

33.1 33.1 33.2 33.2 33.2 33.2 33.2 33.3 33.4 33.5 33.8 33.9 14.0 34.0 34.4 34.6 34.6 34.8 34.9 35.0 35.1 35.4 35.5 35.4 34.1 2

35.0 14.7 34.7 34.5 34.3 14.1 33.8 33.7 33.6 33.7 33.7 33.8 33.9 34.1 34.2 34.3 34.5 34.5 34.6 34.6 34.7 34.8 34.8 34.9 34.3 3

14.9 34.9 14.9 34.8 34.8 34.9 35.1 35.3 35.7 35.9 36.2 36.3 36.3 36.4 36.5 36.6 36.7 36.7 36.7 36.8 36.8 36.8 36.8 36.8 36.0 4

4 36.8 36.7 36.6 36.5 36.4 36.3 36.2 36.2 36.2 36.1 36.1 36.2 36.3 36.4 36.4 36.4 36.4 36.5 36.5 36.4 36.3 36.2 36.2 36.1

'36.4 5

35.9 35.7 35.6 35.5 35.4 35.3 35.3 35.2 35.1 35.2 35.4 35.5 35.8 36.0 36.2 36.2 36.2 36.3 36.3 36.3 36.3 36.3 36.3 36.2 35.8 6

36.1 36.1 36.0 35.9 35.9 35.8 35.6 35.5 35.5 35.3 35.2 35.1 14.9 34.7 34.4 14.3 34.2 33.9 33.6 33.5 33.4 33.4 33.4 33.2 34.8 7

31.2 33.0 33.0 33.0 32.9 32.9 32.9 32.9 32.9 32.? 32.9 32.9 32.9 33.1 32.9 32.8 33.0 33.0 33.0 33.0 33.0 33.1 33.0 33.2 33.0 8

33.3 33.4 33.4 33.4 33.5 33.5 33.5 33.4 33.5 33.7 33.7 33.8 33.8 33.8 33.8 33.6 33.6 33.7 33.7 33.6 33.6 33.6 33.6 33.6 33.6 9

33.6 33.7 33.6 33.6 33.6 33.6 33.6 33.6 33.7 33.7 33.7 33.7 33.8 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 I

10 33.7 33.8 33.7 33.8 33.7 33.8 33.9 34.0 34.2 34.3 34.5 34.7 34.9 34.8 14.8 34.8 34.8 34.8 34.9 34.9 34.8 34.9 34.9 34.934.4

[j 11 35.0 35.0 34.9 34.9 34.9 34.9 35.0 35.0 35.2 35.3 35.5 35.8 36.0 36.1 36.2 36.2 36.1 36.1 36.0 36.1 36.? 36.3 36.5 36.6 35.7 g

12 36.7 36.7 36.8 36.7 36.7 36.6 36.6 36.7 37.0 37.2 37.5 37.8 38.1 38.3 38.4 38.4 38.4 38.3 38.2 38.2 38.1 38.1 38.0 38.0 37.6 13 38.0 37.9 37.9 37.8 37.8 37.7 37.8 37.8 37.9 38.0 38.0 38.2 38.2 38.2 38.2 38.2 18.2 38.3 38.3 38.3 38.3 38.2 38.1 38.038.1 14 38.0 38.0 37.9 37.9 37.8 37.7 37.7 37.7 37.9 38.1 38.4 38.6 38.8 39.0 39.1 39.2 39.3 39.4 39.4 39.4 39.4 39.5 39.6 39.6 38.6 15 39.6 39.5 39.5 39.4 39.3 39.2 39.3 39.4 39.5 39.7 39.9 40.1 40.2 40.2 40.3 40.3.40.4 40.4 40.4 40.4 40.4 40.5 40.6 40.740.0 16 40.8 40.8 40.9 40.9 41.0 41.0 41.0 40.9 40.9 40.9 41.0 41.1 41.2 41.3 41.4 41.5 41.6 41.6 41.6 41.8 41.8 42.0 42.1 42.1 41.3 17 42.1 42.2 42.1 42.1 42.0 41.9 41.8 41.7 41.6 41.6 41.6 41.6 41.6 41.5 41.6 41.7 41.8 41.9 42.0 42.2 42.4 42.5 42.5 42.4 41.9 18 42.2 42.1 41.9 41.9 41.7 41.7 41.7 41.6 41.5 41.5 41.5 41.5 41.4 41.4 41.4 41.4 41.3 41.2 41.2 41.2 41.2 41.3 41.3 41.2 41.5 19 41.1 41.0 40.7 40.5 40.3 40.0 39.8 39.6 39.5 39.5 39.6 39.7 40.0 40.2 40.2 40.3 40.4 40.4 40.3 40.3 40.3 40.3 40.4 40.4 40.2 20 40.4 40.4 40.4 40.3 40.1 40.0 39.9 39.9 39.9 40.1 40.1 40.4 40.5 40.7 40.8 41.1 41.1 41.0 41.2 41.3 41.4 41.5 41.6 41.440.6 21 41.4 41.4 41.5 41.5 41.5 41.6 41.6 41.5 41.5 41.5 41.6 41.5 41.7 41.8 42.0 42.2 42.3 42.3 42.4 42.2 42.0 42.0 42.0 41.941.8 22 41.8 41.8 41.9 41.8 41.6 41.5 41.5 41.4 41.4 41.3 41.5 41.5 41.7 41.7 41.4 41.4 41.4 41.5 41.2 41.2 41.2 41.2 41.3 41.141.5 23 41.1 40.9 40.5 40.3 40.1 40.0 39.8 39.8 40.0 40.0 40.0 40.3 40.3 40.5 40.5 40.7 40.7 40.5 40.5 40.4 40.3 40.3 40.5 40.640.4 24 40.6 40.3 40.1 40.0 39.8 39.8 39.9 39.9 40.0 40.1 40.3 40.6 40.8 41.1 41.3 41.6 41.8 41.9 42.0 41.9 41.7 41.7 41.7 41.740.9 25 41.6 41.6 41.6 41.8 41.8 41.8 42.1 42.5 42.6 42.5 42.8 43.0 43.7 44.0 44.3 44.4 44.4 44.5 44.6 44.6 44.5 44.5 44.0 43.2 20 43.9 44.1 44.1 44.2 44.2 44.2 44.2 44.3 44.6 45.0 45.0 45.0 45.2 45.2 45.1 45.2 43.4 45.7 45.6 45.5 45.5 45.7 45.3 45.4 44.9 27 45.6 45.7 45.6 45.6 45.7 45.8 45.8 46.0 45.9 46.0 46.0 46.2 46.2 46.0 46.4 46.5 46.5 46.4 46.4 46.4 46.3 46.1 45.7 45.5 46.0 28 45.4 45.1 45.2 45.1 45.2 45.2 45.2 45.0 44.9 44.9 45.0 45.0 45.0 44.9 44.9 45.1 45.3 45.6 45.5 45.5 45.1 45.0 45.0 45.0 45.1 29 44.9 44.7 44.6 44.5 44.6 44.5 44.4 44.5 44.6 44.5 44.5 44.7 45.0 45.2 45.4 45.3 45.5 45.6 45.7 45.7 45.6 45.5 45.4 45.3 45.0 13 45.3 45.2 45.2 45.1 44.9 44.8 44.9 44.9 44.9 45.0 44.3 44.4 44.6 44.9 45.1 45.3 45.5 45.5 45.6 45.5 45.5 45.5 45.4 45.4 45.1 MONTHLY AVERACE 39.2

m j -

TABLE 3.1-5 AVERAGE NOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION NO. 3 MAY 1982-1 dally DAY NOUR AVERAGE-1 2

3 4

5 6

7 8

9 10 - 11 12.

13 14 15 16 17

.18 19 20 _ 21 22 23 24 1

45.4 45.4 45.3 45.3 45.2 45.2 45.1 45.1 45.2 45.2 45.3 45.5 45.7 45.7 45.9 46.1 46.3 46.4 46.4 46.5 46.5 46.6 46.7 46.9

'45.8 2

46.9 46.9 46.8 46.7 46.6 46.5 46.4. 46.4 46.3 46.3 46.3 46.4 46.6 46.8 46.8 46.9 47.1.47.1 47.1 47.1-47.3 47.5 47.6 47.7 46.8 3

47.7 47.8 47.9 47.9 47.8 47.8 47.9 48.0 48.0 47.9 47.9 48.1' 48.3 48.4 48.5 48.5 48.5 48.4 48.4-48.3 48.3 48.3 48.2 48.3 48.1 4

48.3 48.4 48.5 48.5 48.5 48.5 48.4 48.5. 48.6 48.8 59.0 49.2 49.3 49.4. 49.5 49.6 49.5 49.6 49.6 49.5 49.5 49.4 49.4 49.4 49.0 s

5 49.3 49.4 49.4 49.4 49.3 49.2 49.1 49.1 49.1 48.9 48.9 49.6 49.7 49.9 50.1 50.3 50.4 50.4 50.4 50.4 50.5 50.5 50.4 50.4 49.8 6

50.4 50.4 50.3 50.3 50.2 50.2 50.1 50.0 50.0 50.0.49.7 49.7 49.8 50.0 50.1 50.3 50.4 - 50.6 50.7 50.8 '50.9' 51.0 51.2 51.3 50.4 7

51.3 51.4 51.5 51.5 51.4 51.4 51.5 51.4 51.4 51.6.51.7 51.9 52.2 52.2.52.3 52.4 52.5 52.4 52.3 52.1 52.0 52.0-52.0 52.1

$1.9 8

52.0 52.0 52.0 52.1 52.1 52.2 52.3 52.4 52.6' 52.7 53.0 53.2 53.4 53.6 53.7 53.7 53.7_ 53.7 53.7 53.6 53.7 53.7 53.7 53.7 53.0 I

9 53.7 53.7 53.6 53.6 53.7 53.7 53.7 53.7 53.7 53.9 %.3 54.5 M.6 54.8 %.8 M.7 54.8 %.8 54.8 54.9 %.7 M.6 54.5 54.4 54.3 1

10 54.3 54.2 54.1 54.1 54.0 54.0 54.0 54.0 54.0 54.2 54.4 54.6 54.8 55.0. 55.1 55.2 55.2 55.1 54.8 %.6 %.3 54.2 54.1 54.0

%.4 11 54.0 53.9 53.9 53.9 53.9 54.0 54.0 54.0 54.1 54.2 54.3 54.5 54.7 54.8 55.0 55.0 55.1 55.1 55.1 55.1 55.0 55.0 55.0 54.9 M.5 l

12 54.9 54.9 54.9 55.0 55.0 55.1 55.1 55.1 55.1 55.1 55.2 -

SYSTEM INOFERATlvE 55.2 %.7 54.7 %.7 54.6 54.6 54.9 13 54.5 54.5 54.4 54.4 54.4 54.4 54.5 54.6 54.6 54.8 55.0 55.2 55.4 55.6 55.6 55.7 55.7 55.5 55.3 55.2 55.0 54.9.54.7 %.6

.54.9 14 54.4 54.3 %.2 54.2 54.2 54.3 54.6 54.6 54.8 55.0 55.3 55.6 55.9 56.2 %.4 %.7 55.9 %.8 %.9 %.9 M.7 56.6 %.5 %.4 55.6 j

15 56.2 56.2 56.1 56.1 56.0 55.9 55.8 55.7 55.7 55.7 %.! %.4 %.8 57.1 57.5 57.8 58.0 58.2 58.1 50.0 57.8 57.7 57.6 57.6 M.8 16 57.6 57.5 57.4 57.3 57.3 57.4 57.4 57.5 $7.8 59.2 59.7 59.6 59.5 59.6 59.6 59.5 59.4 59.3 59.4 59.3 59.3 59.2 59.1 59.0 58.7 17 58.4 58.0 57.9 57.9 57.8 57.7 57.6 57.6 57.9 58.5 58.7 58.9 59.1 59.5 59.9 60.2 60.4 60.6 60.8 60.8 60.5 59.7 59.2 58.8 59.0 l

18 58.8 58.8 58.8 58.8 58.7 58.4 58.7 58.7 58.8 59.3 59.7 59.7 59.9 60.1 60.4 60.7 60.9 60.9 60.8 60.7 60.7 60.6 60.7 60.8 59.8 19 60.9 61.1 61.3 61.6 61.9 62.1 61.4 60.8 61.2 61.3 61.3 61.3.61.5-61.6 61.7 61.7 61.6 61.6 61.6 61.6 61.6 -61.8 62.0 62.3 61.5 20 62.3 62.2 62.1 62.1 62.0 62.1 62.1 62.4 62.5 62.9 62.9 62.8 62.8 63.0 63.0 63.0 62.9 62.9 62.8 62.7 62.6 62.5 62.6 62.8 62.6 21 62.8 63.0 63.0 63.2 63.3 63.3 63.2 63.2 63.2 63.3 63.4 63.7 63.9 64.1 64.3 64.5 64.5 M.6 M.9 64.4 64.2 64.2 64.2 64.2 63.8 22 64.2 64.1 64.0 63.8 63.5 63.2 63.0 62.8 62.8 62.7 62.8 62.9 -63.1 63.5 63.7 64.0 64.2 64.3 64.4 64.4 64.4 64.3 64.2 64.0 63.7 23 63.9 63.7 63.5 63.3 63.2 63.1 63.1 62.9 62.6 62.8 62.8 62.8 62.8 62.9 62.9 62.9 62.9 62.8 62.7 62.6 62.5 62.4 62.3 62.3 62.9 24 62.2 61.9 61.5 61.3 61.1 60.7 60.6 60.4 60.7 60.9 60.8 60.7 60.7 60.7.60.7 60.9 61.3 61.3 61.0 60.9 60.8 60.7 60.6 60.3 60.9 25 60.1 60.0 59.9 59.8 59.7 59.6 59.6 59.6 59.4 59.4 59.4 59.5 59.8 59.9. 60.1 60.2 60.3 60.5 60.5 60.4 60.3 60.2 60,1 60.1 59.9 4

26 60.1 60.1 60.0 59.9 59.9 59.7 59.6 59.5 59.5 59.4 59.6 59.9 60.2 60.5 60.7 60.8 61.0 61.2 61.3 61.2' 61.1 60.9 60.8 60.7 60.3 27 60.7 60.7 60.8 60.8 60.8 60.8 60.7 60.7 60.7 60.8 61.0 61.4 61.9 62.1 - 62.2 62.3 62.3 62.3 62.2 62.1 62.0 61.7 61.5 61.5 -

61.4

}j 28 61.3 61.3 61.5 61.7 61.9 62.0 62.2 62.4 62.5 62.4 62.1 62.2 62.4 62.7 62.9 63.1 63.4 63.4 63.3 63.2 63.2 63.2 63.2 62.9 62.5 t

29 62.8 62.6 62.4 62.3 62.2 62.3 62.3 62.4. 62.5 62.8 63.8 63.8 63.4 63.3 63.3 63.4 63.5 63.7 63.5 63.6 63.6 61.4 63.6 63.7 63.1 30 63.6 63.6 63.6 63.6 63.5 63.4 63.4 63.4 63.4 63.5 63.4 63.6 63.9 63.9 63.9 64.1 64.4. M.0 63.7 M.3 M.3 M. 2 64.2 64.3 63.8 31 64.3 64.3 64.2 64.0 63.9 63.7 63.6 63.6 63.6 63.6 63.9 64.1 64.3 64.5 64.7 64.7 64.7 64.7 64.7 M.3 63.8 64.0 M.2 64.4 M.2 MONTHLY AVERAct 57.1.

l

'f U

T s'

w-

. + -

,e

TABLE 3.1-6 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 3 JUNE 1982 DAY DAILY HOUR AVERACE I

2 3

4 5

6 7

8 9

10 II 12 13 14 15 16 17 18. 19 20 21 22 23 24 1

M.4 M.4 64.2 64.1 64.1 64.0 64.0 63.9 63.5 63.4 63.4 63.3 63.3 63.3 63.4 63.5 63.6 63.6 63.5 63.5 63.4 63.3 63.4 63.5 63.7 2

63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.4 63.3 63.4 63.5 63.5 63.8 64.2 64.5 64.7 64.9 65.0 64.9 64.7 64.5 64.4 64.2 64.1 64.0 3

M.! 64.1 A4.1 64.1 64.2 64.2 64.2 M.2 64.2 M.2 64.5 M.7 64.9 65.1 65.2 65.2 65.1 64.9 64.7 64.5 64.4 64.2 64.1 64.1 64.5 4

64.1 M.1 M.1 M.0 64.0 63.9 63.8 63.7 63.6 63.5 63.6 63.8 64.1 64.3 64.5 64.8 64.8 64.8 M.8 64.8 64.8 64.7 64.7 64.7 64.2 5

64.6 64.5 M.4 64.3 64.2 64.1 64.0 63.9 63.8 63.8 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.6 63.6 63.6 63.6 63.6 63.4 63.9 6

63.2 62.9 62.6 62.3 62.1. 61.9 61.8 61.6 61.3 61.0 60.6 60.3 60.2 60.1 60.0 59.9 59.9 59.7 59.5 59.6 59.5 59.4 59.2 59.0 60.7 7

58.9 58.9 58.9 58.9 58.9 58.9 58.8 58.7 58.6 58.5 58.5 58.4.58 4 58.3 58.3 58.3 58.3 58.2 58.2 58.2 56.1 58.0 58.0 58.0' 58.5 8

57.9 57.8 57.7 57.5 57.4 57.3 57.3 57.3 57.3 57.4 57.5 57.6 57.9 58.1 58.3 58.5 58.6 58.7 58.7 58.7 58.4 58.5 58.5 58.4 58.0 9

58.5 58.5 58.6 58.6 58.5 58.4 58.3 58.2 58.1 58.1 58.4 58.7 59.0 59.3 59.7 60.0 60.2 60.3 60.4 60.4 60.2 59.9 59.9 59.9 59.2 1

10 60.0 60.1 60.2 60.3 60.3 60.4 60.4 60.4 60.5 60.6 60.8 60.9 61.2 61.5 61.7 62.0 62.1 62.3 62.2 62.0 61.9 61.8 61.7 61.7 61.1 y

11 61.7 61.7 61.6 61.6 61.6 61.5 61.5 61.6 61.7 61.9 62.2 62.5 62.6 62.7 62.9 63.0 63.1 63.1 63.2 63.1 63.0 63.0 63.0 62.9 62.4 g

12 62.7 62.6 62.6 62.5 62.4 62.4 62.3 62.3 62.2 62.1 62.1 62.2 62.3 62.6 63.0 63.3 63.6 63.8 63.9 63.9 63.9 63.8 63.8 63.7 62.9 j

13 63.7 63.6 63.5 63.5 63.4 63.3 63.3 63.3 63.2 63.2 63.1 62.9.62.7 62.5 62.5 62.5 62.4 62.3 62.2 62.2 62.0 61.9 61.8 61.8 62.8 14 61.9 61.9 61.8 61.7 61.7 61.6 61.6 61.6 61.6 61.5 61.5 61.5 61.5 61.6 61.7 61.8 61.9 62.1 62.0 61.9 61.9 62.0 62.0 62.0 61.8 15 61.7 61.5 61.3 61.2 61.1 61.1 61.0 60.9 61.0 61.2 61.6 62.0 62.3 62.6 62.9 63.1 63.1 63.0 62.7 62.5 62.3 62.2 62.0 61.9 61.9 16 61.8 61.8 61.8 61.8 61.8 61.8 61.9 62.0 62.3 62.5 62.7 62.8 63.0 63.3 63.6 63.7 63.9 63.9 63.9 63.8 63.7 63.6 63.5 63.5 62.8 -

17 63.4 63.5 63.4 63.4 63.4 63.4 63.4 63.3 63.2 63.1 63.1 63.1 63.2 63.3 63.6 63.9 64.3 M.6 64.7 64.8 64.8 64.6 64.4 64.2 63.8 18 M.1 63.9 63.8 63.7 63.5 63.4 63.3 63.2 63.2 63.3 63.4 63.6 63.8 64.1 64.4 64.5 64.5 64.7 64.5 64.5 64.3 64.2 64.2 64.1 63.9 19 64.1 64.1 64.1 64.1 64.0 64.0 64.0 64.0 64.1 64.4 64.7 65.1 65.4 65.8 66.1 66.4 66.6 66.7 66.8 66.8 66.7 66.6 66.5 66.4 65.3 20 66.3 66.3 66.2 66.1 65.9 65.8 65.8 65.6 65.5 65.5 65.5 65.6 65.9 66.2 66.6 67.1 67.3 67.6 67.7 67.8 67.8 67.7 67.5 67.3 66.5 21 67.1 67.0 66.9 66.8 66.7 66.6 66.5 66.3 66.1 65.8 65.7 65.9 66.2 66.5 66.8 67.0 67.2 67.3 67.3 67.4 67.4 67.5 67.5 67.5 66.8 22 67.4 67.4 67.3 67.2 67.2 67.1 67.0 66.9 66.9 66.7 66.7 66.9 67.2 67.4 67.7 67.8 67.9 68.0 68.1 68.2 68.1 68.0 68.1 68.1 67.5 i

23 68.0 68.0 68.0 67.9 67.9 67.8 67.9 67.7 67.6 67.6 67.5 67.5 67.6 67.8 68.0 68.1 68.2 68.2 68.2 68.1 68.0 67.9 67.8 67.8 67.9 24 67.6 67.4 67.2 67.1 66.9 66.8 66.6 66.5 66.5 M.6 66.8 66.9 67.2 67.3 67.5 67.6 67.8 67.9 68.0 67.8 67.7 67.4 67.2 67.0 67.2 25 66.7 66.4 66.3 66.2 66.1 66.1 66.1 66.1 66.2 66.4 66.5 66.7 66.9 67.1 67.3 67.5 67.6 67.8 67.9 67.7 67.6 67.4 67.4 67.3 66.9 26 67.2 67.1 67.0 66.8 66.7 66.7 66.8 66.9 67.0 67.1 67.2 67.3 67.4 67.5 67.6 67.8 67.9 68.0 68.0 68.0 67.9 67.8 67.8 67.6 67.4 27 67.4 67.2 67.1 66.9 66.8 66.6 66.6 66.5 66.6 66.7 66.9 67.1 67.2 67.5 67.8 68.1 68.2 68.2 68.1 68.0 67.8 67.6 67.5 67.5 67.3 28 67.6 67.5 67.4 67.4 67.4 67.4 67.3 67.2 67.0 67.0 67.0 67.0 67.2 67.5 67.9 68.1 68.4 68.5 68.7 68.7 68.6 68.6 68.5 68.5 67.8 29 68.5 68.5 68.4 68.4 68.4 68.3 68.3 68.1 68.1 68.1 68.2 68.2 68.4 68.5 68.6 68.7 68.7 68.7 68.6' 68.4 68.3 68.1 68.1 68.0 68.4 30 68.0 68.1 68.1 68.2 68.3' 68.2 68.1 67.9 67.7 67.5 67.3 67.2 67.2 67.4 67.6 67.8 68.1 68.2 68.2 68.1 68.0 67.9 67.7 67.6 67.8 MONTHLY AVERACE 64.2 r

l l

l l

L

1 TABLE 3.1-7 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 3 JULY 1982 PAILY DAY HOUR AVERACF.

I 2

3 4

5 6

7 8

9 10 12 13 14 15 16 17 18 19 20 21 22 23

.24 1

67.5 67.3 67.2 67.1 66.8 66.6 66.4 65.9 65.8 65.8 65.8 65.8 65.9 66.0 66.1 66.2 66.2 66.2 66.2 66.1 66.0 65.8 65.8 65.7 66.3 2

65.6 65.6 65.6 65.5 65.5 65.4 65.4 65.4 65.5 65.7 65.9 66.2 66s4 66.7 66.9 67.0 67.1 67.1 67.0 66.9 66.8 66.6 66.5 66.4 66.2 3

66.3 66.2 66.1 66.1 66.1 66.1 66.0 65.9 65.9 66.0 66.0 66.1 66.3 66.4 66.6 66.6 66.8 66.7 66.7 66.7 66.7 66.6 66.5 66.5

~ 66.3 4

66.3 66.2 66.0 65.8 65.7 65.6 65.6 65.4 65.4 65.4 65.4 65.6 65.7 65.9 66.1 66.4 66.5 66.6 66.7 66.7-66.6 66.5 66.3 66.2 66.0 5

66.1 66.1 66.1 65.9 65.8 65.7 65.7 65.7 65.7 65.9 66.1 66.2 66.2 66.5 66.9 67.2 67.4 67.3 66.9 66.5 66.1 65.9 65.9 66.3 66.3 6

66.6 66.8 66.8 66.7 66.7 66.7 66.7 E6.7 66.7 66.8 67.0 67.2 67.3 67.5 67.5 67.6 67.8 68.0 68.1 67.9 68.2 68.2 68.0 67.9 67.3 7

67.9 68.0 68.1 68.1 68.1 68.0 67.7 67.5 67.6 67.8 68.0 68.3 68.6 68.9 69.1 69.3 69.5 69.7 69.8 69.8 69.8 69.8 69.8 69.6 68.7 8

69.6 69.6 69.6 69.6 69.6 69.5 69.4 69.1 69.2 69.6 70.0 70.3 70.4 70.8 71.2 71.8 72.0 72.7 72.2 72.2 72.1 72.0 71.9 72.0 70.7 9

71.9 71.7 71.7 71.6 71.5 71.3 71.2 71.0 71.0 71.0 71.1 71.2 71.4 71.7 72.2 72.4 72.5 72.5 72.6 72.7 72.7 72.6 72.5 72.3 71.8 10 72.4 72.4 72.3 72.3 72.3 72.3 72.1 72.4 72.1 72.0 72.2 72.3 72.6 72.9 73.2 73.6 74.4 74.8 74.8 74.6 74.4 74.2 74.1 73.9 73.1 11 73.7 73.6 73.5 73.5 73.5 73.6 74.0 74.3 74.1 74.3 74.6 74.4 74.3 74.2 74.3 74.3 74.4 74.3 74.3 74.3 74.3 74.3 74.3 74.3 74.1 og C3 12 74.3 74.6 74.7 74.7 74.7 74.8 74.8 75.2 75.2 75.1 74.4 74.0 74.0 74.1 74.2 74.4 74.5 74.7 74.7 74.6 74.5 74.4 74.3 74.3 74.6 I

14 75.6 75.6 75.5 75.4 75.3 75.2 75.1 75.1 75.1 75.4 75.7* 74.8 74.8 75.0 75.0 75.3 75.7 75.9 76.0 76.0 75.9 75.7 75.9 75.7 74.9 13 74.3 74.3 74.3 74.3 74.2 74.1 74.0 73.9 74.2 74.4 74.7 75.8 75.9 76.0 SYSTEM INOPERATIVE 75.5 15 SYSTEM INOPERATIVE 77.1 77.0 77.0 77.0 77.0 77.0 77.0 16 76.9 76.7 76.6 76.4 76.3 76.2 76.1 76.1 76.2 76.1 76.4 76.6 76.6 76.7 77.0 77.2 77.4 77.4 77.5 77.7 77.7 77.8 77.6 77.4 76.9 17 77.2 77.0 76.9 76.8 76.8 76.8 76.7 76.8 76.9 77.1 77.5 77.9 78.5 79.0 79.1. ;. 9 79.4 79.3 78.4 77.7 77.3 77.0 76.9 76.8 77.7 18 76.8 77.0 77.1 77.3 77.3 77.3 77.4 77.5 77.7 78.0 78.5 78.9 79.4 79.3 79.8 79.6 79.6 79.2 78.6 78.6 79.4 80.1 80.5 80.7 78.6 19 80.7 80.2 79.9 79.6 79.4 79.1 79.0 78.9 78.7 79.1 79.9 80.2 80.2 80.4 80.8 81.1 81.3 81.3 81.3 81.2 81.2 81.1 80.9 80.6 80.3 20 80.5 80.4 80.4 80.3 80.2 80.1 80.0 79.8 79.5 79.7 80.0 80.0 79.6 79.3 79.1 79.0 79.0 78.9 78.7 78.6 78.5 78.3 78.1 7A.0 79.4 21 78.0 77.9 77.7 77.5 77.4 77.2 77.1 77.0 76.9 77.1 77.1 77.0 77.0 77.2 77.3 77.6 77.9 78.3 78.2 78.5 78.4 78.3 78.2 78.1 77.6 22 78.1 78.1 78.0 78.0 77.5 77.8 77.6 77.7 77.7 77.6 77.6 77.5 77.5 77.8 78.0 78.4 78.5 78.5 78.4 78.3 78.1 77.9 77.8 77.7 77.9 23 77.6 77.5 77.5 77.3 77.3 77.2 77.1 77.2 77.3 77.4 77.4 77.5 77.7 78.0 78.2 78.4 78.7 78.9 78.9 78.7 78.5 78.4 78.4 78.3 77.9 24 78.1 78.0 77.9 77.8 77.7 77.5 77.4 77.3 77.3 77.4 77.7 78.0 78.3 78.4 78.8 79.0 79.3 79.5 79.6 79.5 79.3.79.1 78.9 78.8 78.4 25 78.6 78.6 78.5 78.5 78.4 78.3 78.2 78.2 78.2 78.4 79.0 79.3 79.7 80.1 80.5 80.5 79.7 79.1 78.8 78.5 78.2 78.1 77.9.77.8 78.8 l

26 77.7 77.7 77.6 71.6 77.6 77.6 77.6 77.6 77.8 78.1 78.7 79.1 79.3 79.3 79.2 79.0 78.6 78.6 78.5 78.4 78.3 78.2 78.2 78.2 78.3 i

27 78.3 78.3 78.4 78.3 78.3 78.3 78.3 78.3 78.4 78.8 79.3 79.6 80.0 80.0 79.9 80.2 80.3 80.3 80.1 79.9 79.8 79.7 79.6 79.5 79.2 l

2M 19.5 19.5 19.4 79.4 79.3 79.2 79.0 78.9 78.8 78.7 78.4 78.4 78.2 78.1 78.0 77.8 17.7 77.7 77.7 77.6.77.5 77.3 77.2 77.2 78.4

-l 29 77.1 77.0 76.9 76.8 76.6 76.5 76.4 76.3 76.3 76.2 76.1 76.4 76.4 76.3 76.4 76.5 76.5 76.5 76.5 76.4 76.5 76.5 76.5 76.5 76.5 l

30 76.5 76.5 76.4 76.4 76.3 76.1 76.1 76.1 76.1 76.2 76.4 76.5 76.6 76.6 76.6 76.6 76.6 76.6 76.7 76.7 76.6 76.5 76.4 76.2 76.4 l

31 76.1 76.3 76.2 76.1 76.1 76.1 76.1 76.1 76.1 76.1 76.3 76.5 76.6 76.7 76.7 76.8 76.9 76.3 76.4 76.6 76.7 76.6 76.7 76.7 76.4 MONTHLY AVERACE 74.4

-n 4

  • i TABLE-3.1-8.

AVERACE HOURLY TEMPERATURE IM 'F VERMONT YANEEE SAMPLE STATION HO. 3 AUGUST 1982 '

j DAY DAILY MOUR.

AVERACE 1

2 3

4 5

6 7

8 9

10 11 12 13 14 ' 15 16 17 le 19 20 21 22 23 24 i

76.8 76.9 '76.8 76.7 76.6 76.6 76.6 76.6. 76.6 76.6 76.7 76.9 77.2 77.2 77.3 77.5 77.6 77.6 77.7 77.8.78.1 78.3 78.4 78.4 77.2 2

78.4 78.2 78.0 77.8 77.6 77.6 77.6 77.5 77.4 77.4 77.3 77.1 77.0 76.9 76.9 77.0 77.1 77.1 76.8 76.8 76.6 76.6.76.6 '76.7 77.2 3

76.8 76.8 76.8 76.7 76.6 76.6 76.6 76.6 76.5 76.4 76.4 76.4 76.4 76.4 76.3 76.4 76.6 76.6 76.7 76.8 76.6 76.5 76.3 76.2 76.5 4

76.2 76.2 76.2 76.1 76.1 76.1 76.0 76.1 76.1 76.1 76.2 76.4 76.5 76.7 76.8 76.8 76.8 76.7 76.8 76.7 76.5 76.3 76.2.76.1 76.4 1

5 76.0 76.1 76.0 75.9 75.9 75.9 75.9 76.0 76.0 76.1 76.7 76.9 76.9 77.0 77.2 77.2 77.4 77.5 77.5 77.5 77.4 77.2 77.1 77.1 76.7 6

77.1 77.0 76.9 76.8 76.9 76.8 76.7 76.8 76.8 76.9 77.1 77.4 77.7 77.7. 77.4 77.5 77.6 77.7 77.8 77.7 77.7 77.8 77.9 - 77.8 77.3 7

77.7 77.5 77.4 77.2 77.3 77.2 77.1 77.0 76.9 76.9 77.0 77.1 77.2 77.3 77.3 77.3 77.4 77.4 77.4 77.3 77.3 77.3 77.3 77.4 77.3 8

77.4 77.4 77.3 77.2 77.1 77.0 77.0 76.9 76.9 77.0 77.2 77.4 77.6 77.8 77.8 77.8 77.7 77.6 77.4 77.1 77.0 77.0 77.0 77.0 77.3 9

77.0 77.1 77.2 77.I 77.0" 76.9 76.8 76.7 76.7 76.7 76.8 76.8 76.9 77.0 77.1 77.3 77.4 77.4 77.3 77.4 77.5 77.4 77.4 77.2 77.1 1

10 77.2 77.2 77.1 77.1 77.1 77.0 76.9 77.0 77.1 77.1 77.2 77.3 77.6 77.9 77.8 78.2 78.2 78.1 78.1 78.1 '78.0 78.0 77.9 77.8 77.5 W

11 77.7 77.6 77.5 77.4 77.3 77.1 77.1 77.0 76.9 76.9 76.8 76.7 76.9 77.0 77.1.77.3 77.5 77.7 77.8 77.7 77.5 77.4 77.2 77.1 77.3 Y

12 76.9 76.7 76.5 76.5 76.4 76.3 76.2 76.1 76.0 76.1 76.1 76.2 76.3 76.4 76.4 76.6' 76.7 76.8 76.7 76.7 76.7 76.6 76.5 76.4 76.4 j

13 76.3 76.2 76.1 76.0 75.9 75.9 75.8 75.6 75.5 75.6 75.6 75.6 75.7 75.6 75.7 75.6 75.6 75.5.75.5 75.5 75.4 75.3 75.2 75.1 75.7 l

14 74.9 74.9 74.8 74.7 74.6 74.5 74.4 74.4 74.3 74.3 74.5 74.5 74.6 74.8. 74.7 74.6 74.5 74.5 74.5 74.5 74.6 74.6 74.7 74.8 74.6 j

15 74.9 74.8 74.8 74.8 74.7 74.5 74.5 74.4 74.4 74.4 74.3 j

16 73.2 75.3 75.3 75.3 75.3 75.3 75.3 75.2 75.1 75.2 75.3 ~ 74.4 74.5 74.5 74.8. 74.9 74.7 74.5 74.4 74.3 74.3 74.5 74.5 75.2 74.6 75.3 75.2 75.2 75.2.75.2 75.2 75.2 75.1 75.0 74.7 74.6 74.6 74.9 75.1 l

17 75.2 75.2 75.2 75.2 75.0 74.7 74.7 74.5 74.5 74.5 74.5 74.6 74.8 74.8 74.6 74.5 74.5 74.6 74.7 74.8 74.7 74.7 74.7 74.7 74.7 18 74.8 74.8 74.7 74.6 74.5 74.4 74.4 74.4 74.4 74.4 74.4 74.3 74.4 74.6 74.8 75.1 75.2 75.3 75.4 75.3 75.2 75.1 75.0 74.9 74.8, 19 74.8 74.7 74.7 74.6 74.5 74.5 74.6 74.6 74.5 74.2 74.3 74.2 74.3 74.4 74.4 74.5 74.7 74.9 74.9 74.9 74.7 74.7 74.7 74.8 74.6 20 74.6 74.6 74.5 74.5 74.5 74.3 14.2 74.2 74. 2 74.2 74.2 74.3 74. 2 74.2 74.2 74.1 74.1 74. 2 74.1 74.0 73.9 73.8 73.8 73.8 74.2 i

21 73.7 73.6 73.6 73.6 73.5 73.4 73.3 73.2 73.0 73.0 73.0 72.9 72.9 73.0 73.2 73.3 73.3 73.2 73.1 72.9 72.6 72.5 72.3 72.2 73.1 j

22 72.1 71.9 71.8 71.6 71.5 71.5 71.4 71.2 71.2 71.3 71.7 71.9 72.1 72.2 72.1 72.1 72.4 72.4 12.1 71.9 71.6 71.4 71.3 71.2 71.7

]

23 71.1 71.1 71.2 71.1 71.1 71.1 71.0 71.0 71. 1 71.2 71.4 71.4 71.5. 71.7 11.8 71.9 72.0 71.9 71.8 71.7 71.6 71.4 71.4 71.4 71.4 24 71.3 71.3 71.3 71.3 71.2 71.2 71.1 71.1 71.2 71.4 71.7 71.9 72.1 72.1 72.1 72.3 72.3 72.3 72.4 72.3 72.2. 72.2 72.1 72.1 '

71.8

]

25 72.0 72.0 71.8 71.6 71.2 71.1 71.0 70.9 70.9 70.9 70.9 70.8 70.8 70.9 71.0 71.1 71.2 71.2 71. 2 71. 2 71.1 71.0 70.8 70.7 71. 1 26 70.5 70.4 70.3 70.2 70.0 69.8 69.7 69.6 69.6 69.7 70.2 70.2 70.2 70.4 70.7 70.9 71.0 71.1 71.2 71.3 71.2 71.2 71.2 71.2 70.5-27 78.2 71.1 71.1 71.0 70.9 70.9 70.8 70.7 70.6 70.6 70.6 70.7 70.8 71.0 71.2 71.3 71.3 71.3 71.3 71.3 71.2 71.3 71.3 71.2 71.0 28

71. 2 71.2 71.1 71. 0 70.9 70.8 70.7 70.6 70.5 70.5 70.8 71.1 71.3 71.5 71.7 71. 7 71.6 71.4 71.1 70.9 70.6 70.5 70.4 70.3 71.0 i

29 70.3 70.2 70.1 70.0 69.8 69.6 69.4 69.4 69.3 69.3 69.7 70.0 70.1 70.2 70.4 70.4 70.5 70.5 70.2 69.9 69.7 69.5 69.4 69.2 69.9 30 69.1 69.0 68.9 68.8 68.7 68.6 68.5 68.6 68.5 68.2 68.6 68.7 68.9-69.1 69.3 69.3 69.3 69.2 69.1 69.0 68.9 68.8 68.7 68.7 68.9 31 68.6 68.5 68.5 68.4 68.4 68.4 68.4 68.4 68.2 68.2 68.2 68.3 68.3 68.5.68.6 68.7 68.7 68.8 68.8 68.9 68.9 69.0 69.2 69.2' 68.6 MONTHLY AVERACE 74.2

)

I TABLE 3.1-9 AVERACE HOURLY TEMPERATURE IN 'F VERMONT YANKEE SAMPLE STATION No. 3 SEPTEMBER 1982 DAILY DAY HOUR AVERACE 1

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

69.3 69.3 69.3 69.3 69.2 69.2 69.1 69.1 69.0 68.9 68.8 68.8 68.7 68.6 68.6 68.7 68.7 68.7 68.7 68.6 68.5 68.4 68.4 68.3 68.8 2

68.4 68.5 SYSTDt INOPERATIVE 68.0 69.5 69.I 69.1 69.1 69.1 68.8 68.4 68.2 68.2 68.1 68.1 68.1 68.1 68.6 3

68.1 68.0 68.3 68.3 68.2 68.2 68.2 68.I 68.1 68.1 68.2 68.5 68.7 68.8 68.9 69.1 69.2 69.2 69.2 69.1 68.9 68.9 68.8 68.7 68.6 4

68.6 68.5 68.3 68.2 68.1 68.0 67.9 67.9 67.8 67.7 67.7 67.7 67.7 67.8 68.0 68.2 68.5 68.5 68.5 68.4 68.2 68.1 68.1 68.0 -

68.1 5

68.0 68.0 67.9 67.9 67.9 67.9 67.8 67.7 67.7 67.7 67.9 68.3 68.7 69.0 69.3 69.5 69.8 69.7 69.4 69.0 68.7 68.4 68.2 68.1 68.4 6

67.9 67.9 67.9 68.0 68.0 68.0 68.0 68.0 68.0 68.1 68.2 68.5 69.0 69.4 69.7 70.0 70.1 70.2 69.9 69.5 69.2 68.9 68.7 68.5 68.7 7

68.3 68.2 68.2 68.1 68.1 68.0 68.0 67.8 67.7 67.8 67.9 68.0 68.2 68.4 68.6 68.8 69.0 69.1 69.1 69.2 69.1 69.1 69.0 69.0 68.4 8

69.0 SYSTDI INOPERATIVE l

9 SYSTDI INOPERATIVE i

10 SYSTDI INOPERATIVE 11 SYSTDI INOPERATIVE g

12 SYSTDt INOPERATIVE 13 SYS1Df INOPERATIVE 70.1 70.1 70.2 70.2 70.1 70.0 69.9 14 69.8 69.8 69.7 69.6 69.5 69.4 69.3 69.2 69.2 69.2 69.1 69.2 69.4 69.6 69.9 70.1 70.2 70.1 70.0 69.9 69.7 69.5 69.3 69.2 69.6 15 69.2 69.1 69.1 69.2 69.2 69.3 69.3 69.4 69.5 69.5 69.6 69.7 69.9 70.0 70.2 70.3 70.3 70.2 70.4 70.5 70.6 70.8 70.8 70.8 69.9 16 70.8 70.7 70.7 70.6 70.5 70.4 70.3 70.2 70.1 70.0 69.9 69.8 69.8 69.8 69.8 69.7 69.6 69.6 69.6 69.6 69.5 69.4 69.2 69.3 70.0 17 69.2 69.1 69.0 69.0 68.9 68.9 68.7 68.6 68.5 68.5 68.3 68.1 68.0 67.9 67.8.67.8 67.6 67.4 67.2 67.2 67.1 67.0 67.0 M.9 68.1 18 66.8 66.8 66.7 66.7 66.6 66.5 66.4 66.3 66.2 66.0 66.2 66.3 66.4 M.4 66.5 66.5 66.6 M.8 66.9 66.9 M.9 66.8 M.7 M.6 66.6 19 M.6 66.6 66.5 66.4 66.3 66.2 66.0 66.0 65.8 65.8 65.9 65.9 65.9 67.9 68.1 68.3 68.5 68.5 68.5 68.5 68.4 68.3 68.I 67.9 67.1 20 67.7 67.6 67.5 67.2 67.1 67.0 66.8 66.6 66.5 66.5 66.5 66.5 66.5 66.6 66.6 M.6 66.5 M.4 M.4 66.3 66.2 66.1 66.1 H.1 M.7 21 66.1 66.1 66.1 66.1 66.0 66.0 66.0 66.0 65.9 66.0 66.1 M. I 66.1 M. I M.2 66.2 M. 2 66.2 66.2 M.1 66.0 M.0 65.9 65.9 66.1 22 65.9 65.9 65.9 65.9 65.9 65.9 65.8 65.8 65.7 65.6 65.7 65.7 65.6 65.6 65.7 65.7 65.6 65.6 65.5 65.5 65.4 65.4 65.3 65.2 65.7 23 65.2 65.2 65.2 65.2 65.2 65.I 65.1 65.0 64.9 64.9 64.9 65.0 65.1 65.1 65.2 65.5 65.6 65.6 65.6 65.5 65.3 65.1 65.0 M.9 65.2 24 64.8 64.8 64.7 64.6 64.6 64.6 64.5 64.5 64.5 64.6 64.8 65.1 65.4 65.7 65.9 65.8 65.8 65.8 65.7 65.7 65.7 65.7 65.7 65.8 65.2 25 65.8 65.7 65.6 65.5 65.5 65.4 65.4 65.3 65.2 65.2 65.3 65.3 65.5 65.7 65.8 65.9 66.1 M.1 65.9 65.7 65.6 65.3 65.1 65.1 65.5 26 65.0 65.0 64.9 64.9 65.0 65.1 65.2 65.2 65.3 65.4 65.5 65.6 65.7 65.9 M.0 66.0 66.0 65.9 65.8 65.7 65.6 65.5 65.3 65.1 65.4 27 65.0 M.8 64.6 64.6 64.6 64.6 64.5 64.6 64.6 64.5 64.5 64.5 64.6 64.7 64.8 64.7 64.7 64.8 64.8 64.7 M.7 M.7 64.6 64.6 64.7 28 64.6 64.5 64.5 64.4 64.3 64.I 64.0 63.8 63.8 63.8 64.0 64.1 64.4 64.5 64.6 64.6 64.7 M.7 64.7 M.6 64.7 M.7 M.7 64.6 64.4 29 64.6 64.6 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.6 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.6 64.6 M.5 64.4 M.3 64.1 M.6 30 M.0 63.8 63.7 63.9 63.6 63.6 63.6 63.6 63.6 63.5 63.6 63.8 64.3 64.4 64.3 64.4 64.5 M.5 64.6 64.4 64.3 M.1 M.0 63.8 64.0 MONTHLY AVERACE 67.0

~ ~ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ - --

TABLE 3.1-10 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 3 OCTOBER 1982 DAY DAILY HCUR AVERACE I

2 3

4 5

6 7

8 9

10 Il 12 13 14 15 16 17 18 19 20 21 22 23 24 1

63.7 63.7 63.6 63.6 63.6 63.5 63.5 63.6 63.6 63.7 63.9 64.4 64.6 64.8 64.9 65.0 65.1 65.1 65.1 65.1 65.1 65.0 65.0 M.7 M.3 2

M.5 M.6 M.8 64.7 64.6 64.5 64.3 64.0 63.8 63.7 63.7 63.7 63.9 64.0 64.1 M.1 H.1 M.0 63.8 63.6 63.5 63.4 63.3 63.3 4.0 3

63.2 63.1 63.1 63.0 62.9 62.8 62.8 62.7 62.6 62.6 62.6 62.9 62.9 63.0 63.2 63.4 63.3 63.2 63.0 62.8 62.6 62.4 62.3 62.3 62.9 4

62.3 62.3 62.3 62.3 62.2 62.2 62.2 62.2 62.2 62.4 63.0 63.7 64.3 64.5 M.6 64.5 64.5 64.4 64.4 M.3 4.2 M.I M.0 63.9 63.4 5

63.9 63.7 63.6 63.4 63.5 63.1 62.9 62.8 62.7 62.7 62.7 62.9 63.0 63.1 63.2 63.3 63.5 63.4 63.2 63.0 62.7 62.5 62.3 62.2 63.1 6

62.2 62.2 62.2 62.2 62.2 62.2 62.3 62.3 62.5 62.7 63.2 63.5 63.7 63.8 64.0 64.1 64.3 64.3 64.3 M.3 64.1 M.0 63.8 63.7 63.3 7

63.6 63.6 63.5 63.4 63.4 63.3 63.3 63.2 63.2 63.2 63.4 63.6 63.S 64.1 64.3 64.5 64.6 64.5 64.4 64.2 63.9 63.7 63.5 63.3 63.7 8

63.1 63.0 63.0 62.9 62.9 62.9 62.8 62.7 62.1 62.7 62.8 62.9 63.4 63.9 64.0 63.9 63.8 63.7 63.7 63.7 63.5 63.4 63.5 63.4 63.3 9

63.3 63.2 63.0 62.8 62.6 62.4 62.3 62.2 62.1 62.1 62.2 62.9 63.3 63.1 63.0 63.0 62.9 62.9 62.8 62.7 62.4 62.2 62.1 61.9 62.6 10 61.7 61.7 61.6 61.5 61.3 61.1 61.0 60.8 60.7 60.6 60.6 60.8 61.1 61.5 61.8 61.9 61.9 61.7 61.4 61.3 61.4 61.7 61.7 61.6 61.4 b

11 61.4 61.3 61.1 61.0 60.8 60.6 60.4 60.2 60.2 60.1 60.2 60.3 60.6 61.0 61.5 61.8 61.9 61.8 61.4 60.9 61.0 61.2 61.2 61.2 61.0 w

12 61.1 61.1 61.0 60.8 60.6 60.4 60.2 60.0 59.9 59.9 59.9' 60.3 60.9 61.3 61.6 61.6 61.5 61.2 60.7 60.9 61.1 61.2 61.2 61.1 60.8 3

13 61.1 60.7 60.3 59.9 59.6 59.3 59.1 59.0 59.0 59.0 59.1. 59.2 59.1 59.0 59.0 58.9 58.9 58.8 58.7 58.6 58.5 58.5 58.5 58.5 59.2 14 58.5 58.4 58.4 58.3 58.3 58.2 58.1 58.1 58.2 58.6 58.7 58.6 58.4 58.4 58.4 58.5 58.5 58.5 58.4 58.4 58.3 58.2 58.1 58.0 58.4 15 58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.0 58.1 58.2 58.2 58.2 58.2 58.2 58.1 58.0 57.9 57.9 57.8 57.7 57.7 57.6 55.0 16 57.5 57.5 57.4 57.4 57.3 57.3 57.2 57.1 57.0 57.0 56.9 57.0 57.0 57.0 57.0 57.1 57.0 56.9 56.7 56.7 56.6 56.6 56.7 56.8 57.0 17 56.8 56.8 56.8 56.8 56.9 56.9 56.7 56.6 56.6 56.6 56.7 57.0 57.2 57.3 57.3 57.4 57.5 57.5 57.3 57.2 57.1 57.I 57.1 57.0 57.0 18 57.0 56.9 56.9 56.8 56.7 56.5 56.5 56.4 56.3 56.3 56.4 56.5 56.7 56.9 57.0 57.1 57.2 57.1 56.9 57.1 57.2 57.2 57.0 56.9 56.8 19 56.8 56.7 56.7 56.8 56.9 57.0 57.0 57.4 57.7 57.5 57.1 56.8 56.5 56.5 56.5 56.6 56.7 56.7 56.5 56.5 56.8 56.7 56.6 56.6 -

56.8 23 56.4 56.3 56.3 56.5 56.6 56.8 57.0 57.1 57.3 57.8 58.2 58.2 57.9 57.7 57.4 57.3 57.3 57.1 57.2 57.5 57.8 57.6 57.2 57.0 57.2 21 56.8 56.8 56.7 56.6 56.6 56.7 56.8 57.0 57.1 57.7 58.1 58.2 57.9 57.5 57.2 57.0 56.9 56.6 56.8 57.3 57.5 57.4 57.3 57.2 57.2 22 57.1 57.1 57.1 57.1 57.2 57.2 57.3 57.4 57.5 57.8 57.9 57.6 57.0 56.4 55.9 55.6 55.5 55.5 55.6 55.9 56.1 55.9 55.7 55.5 56.6 23 55.4 55.3 55.3 55.1 55.1 55.1 55.1 55.2 55.2 55.4 55.7 56.1 56.5 56.6 56.8 57.0 57.0 57.1 57.1 56.9 56.9 56.9 56.9 56.9 56.1 24 56.8 56.8 56.8 56.7 56.7 56.7 56.6 56.6 56.6 56.6 56.8 56.9 57.2 57.5 57.8 58.0 58.0 57.9 57.7 57.6 57.6 57.5 57.4 57.3 57.2 25 57,3 57.2 57.2 57.1 57.0 56.9 56.8 56.7 56.8 57.1 57.6 58.1 58.3 58.5 58.5 58.3 58.1 57.9 57.7 57.4 57.2 57.0 56.7 56.4 57.4 26 56.2 56.1 56.1 56.0 55.9 55.7 55.7 55.7 55.7 56.1 56.5 56.3 55.9 55.6 55.2 55.0 54.8 54.7 55.0 55.2 55.2 55.0 54.9 54.8 55.6 27 54.6 54.5 54.5 54.5 54.5 54.6 54.7 54.9 55.1 55.2 55.6 56.0 56.0 %.4 %.8 56.9 56.7 56.3 55.9 55.7 55.6 55.5 55.5 55.3 55.5 28 55.2 55.2 $5.2 55.2 55.6 55.7 55.6 55.4 55.3 55.7 56.1 56.2 56.6 56.9 57.0 57.I 57.0 56.9 56.7 56.5 56.4 56.3 56.2 56.1 56.1 29 56.1 56.0 56.0 56.0 55.9 55.9 55.9 55.9 56.0 56.0 56.5 56.8 57.0 57.2 57.8 57.9 58.0 57.9 57.8 57.6 57.4 57.4 57.3 57.2 56.8 33 57.2 57.0 57.0 56.9 56.9 56.9 56.8 56.8 56.7 56.7 56.8 56.8 57.0 57.3 57.6 57.7 57.7 57.6 57.4 57.2 57.1 57.0 57.0 57.0 57.1 31 57.0 57.0 57.0 57.1 57.2 57.2 57.3 57.4 $7.4 57.3 57.5 57.7 57.9 58.0 58.2 58.2 58.1 58.0 57.8 57.9 57.3 57.2 57.2 57.3 57.5 MONTHLY AVERACE 59.3

m,

~?-

'/:

r m,

3 i

s 5

J:

hl',

Il j'

-1 y

,(

[

tz

+

e t

[

'/

TABLE 3.1-11 4

(

s AVERACE NOURLY TEMPERATURE IN *F bj '

^l[

VERMONT YANKEE SAMPLE STAfl0N NO. 3 4

-.gj e"

s 4

'4 NOVEM8E8 1982 I

/'

-l 4 f 4

dally.

s LtY /

/

NOUR i 4WE8 ACE -

j e-l-

2 3

.O 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 7

i

\\

l 57.3 57.3 57.3 57.3 57.3 57.3 57.2 57.3 57.3 58.1 57.3 57.2 %.9 M.9 57.0 %.8 %.6 %.6 57.1.57.1 57.1 57.0 %.9 54.8 57.1 %

2

%.7 %.6 %.5 %.5 %.5 56.5 %.6 56.6 %.8 57.1 51.2 57.3 57.4 57.5'57.3 57.0 %.? M.5-56.1 55.7 55.6 55.6 55.6,55.6

%.6 m

3 55.8 55.9 %.i 56.2 56.4 56.6 56.8 57.0 57.1 57.6 57.8 57.8 57.5 57.6 57.8 57.7 57.0 %.5 56.1 55.7' 55.0 %.8 54.8 %.8 MJ 4

55.1 55.5 55.8 56.1 %.3 56.5 56.6 %.7 57.1 57.3, 57.2 56.0.55.1, %.6 54.6.54.6 %.5 %.5 %.6 54.6 %.6. M.7 %.8 M.9 55.5 S

%.9 %.6 %.5 54.7 54.9 55.3 55.8 56.8 58.2 57.'7 5(.6 56.1 55.8 55.7 55.5 55.4 55.2 55.0 %9 M.9. 55.0 55.0 %.9 %.8 55.5 6

%.7 %.7 %.6 RS %.2 54.0 54.4 54.1

%.1' 54.2 %.2 %.3 %.5 %.6 M.7 54.9 %.7 M.6 %.6 54.5 %.4 54.4 54.3 %.3 54.4.

7

%.2 %.1 %.I %.0 54.0 53.9 53.8 53.7 53.7 53.6 53.6 53.5 53.5 53.5 53.5 53.5 53.5 53.5 53.5 53.5 53.5 53.4 53.3 53.1 53.6 8

53.0 52.8 52.6 52.4 52.2 52.0 51.8 51.5 51.4 51.3 ' 51.2. 51.2 51.1 51 <!-

51.1 51.0 51.0 51.0 50.8 50.7 50.6 50.6.50.5 50.5 51.4 9

50.4 50.4 50.4 50.3 50.3s 50.3 50.3 50.3 50.3 50.3 50.3 50.4' 50.6 50.7 50.8 50.8 50.8 50.7 50.7 50.6 50.6 30.5 50.5 50.5 -

50.5 w

10 50.5 50.5 50.4 50.4 50.5 50.5 50.8 51.2 52.0 53.1 52.4 51.5 50.8 50.7 50.7 50.7 51.0 51.2 51.2 50.7 50.4 50.2.50.0 49.8 50.9 A

49.7 49.8 50.2 $0.8 51.4 51.7 51.9 52.1 52.3 53.5 53.4 53.2 51.9 50.9 50.6 50.5 50.5 51.3 51.2 50.4 50.0 49.8 49.7 49.7 51.1

'r i

I 12 49.7 49.9 50.4 51.0 St.4 51.6 51.8 52.1 52.3 52.8 53.0,52.1 51.0 50.2 49.6 49.4 49.4 49.4 49.4 49.6 49.6 49.7 49.8 49.9 50.6.

(

e 13 49.9 49.8 49.8 49.9 49.9 49.7 49.6 50.5 52.0 51.8 55.7 49.8 49.5' 49.0 48.9' 3.7 48.5 48.5-48.4 48.3 48.2 48.0 48.0 48.0 49.4 1-14 47.9 47.7 47.6 47.5 48.2 48.5 48.7 48.7 48.2 47.6' 48.1 48.3 48.5 48.4 '48. i 48.2 48.0 47.8 47.7 47.5 47.3.47.1 47.1[47.8 47.9 15 47.2 47.1 46.8 46.7 46.5

4. 6
4. 7 46.7 46.8 4. 8 4.9 47.0 47.0 47.1 47.2 47,2 48.0 49.8 47.9 47.4 :47.2 47.2 47.2 47.2 "

47.2 I

~

16 47.2 47.1 46.9 47.0 47.0 47.4 48.0 49.1 50.0 49.1 48.4 47.8 47.8 47.5 47.5 47.3 47.4 47.3 46.7 4'4 44.1 45.8 45.7 45.6 47.3 17 45.7 45.7 46.0 46.3 46.5 47.1 47.4 47.9 48.4 47.9

$YSTDs INOPERATIVE,

18 SYSTDt IMOliRATIVE 46.5 45.6. 45.5 45.4 45.3 45.6 45.8 45.8 45.4 45.1 44.9 45.0 45.0 45.4 45 4 45.5 19 45.8 45.9 45.9 45.8 46.1 46.5 46.6 47.0 47.4 47.3 46.2 45.7 45.3 45.2 45.6 45.5 45.6 45.1 44.6 44.5 44.4 44.4 44.6 45.0 45.7 20 45.3 45.4 45.2 45.2 45.5 45.7 46.4 4.9 47.3 47.4 47.5 47.4 47.4 47.2 46.8 46.5 46.5 46.6 45.5 44.9 44.5 44.3 44.5 45.0 46.0 21 45.2 45.3 45.4 45.5 45.9 46.4 46.7 46.8 46.8 47.0 47.2 47.5 48.2 47.9 47.8 47.6 47.5 - 47'7 47.3 46.8 46.0 45.8 45.9 46.0 46.7 22 46.4 46.3 46.2 4.0 46.0 46.1 46.3 46.8 47.2 47.0 46.6 46.0 45.8 45.6 45.5 45.4 45.5 45.5 45.5 45.5 45.4 45.4 45.5 45.5 46.0 23 45.5 45.5 45.6 45.9 46.1 46.2 46.3 46.4 4.5 %.3 46.1 '46.0 46.0 45.9 45.6 45.5 45.4 45.4 45.4 45.3 45.3 45.2 45.2 45.2 45.7 24 45.2 45.2 45.3 45.4 45.7 46.3 4.8 47.3 47.8 48.5 47.7 46.6 46.1 45.9 45.8 45.5 45.5 45.4 45.3 45.2 45.1 45.0 44.8 44.7 45.9 2%

44.7 44.7 44.5 44.4 44.2 44.3 44.6 45.1 46.2 47.2 46.1 45.3 45.0 44.9 44.7 44.7 44.6 44.5 44.5 44.3 44.2 44.2 44.2' 44.2 44.8 20 44.2 44.3 44.2 44.3 44.4 44.4 45.6 46.1 47.1 47.1 46.0 45.0 44.5 44.3 44.4 44.0 43.9 43.8 43.8 43.7 43.5 43.4 43.3 43.4 44.5 27 43.4 43.4 43.4 43.2 43.3 43.3 43.8 44.6 45.8 47.2 45.7 44.6 43.8 43.6 43.4 43.3 43.0 42.8 42.7 42.6 42.4 42.1 42.0 42.0 43.6 28 42.1 42.0 42.0 42.0 41.9 41.9 42.1 42.6 43.0 43.4 44.2 45.1 44.3 42.8 42.0 41.7 41.5 41.5 41.4 41.3 41.2 41.1 41.0 40.9 42.2 29 40.8 40.7 40.6 41.0 41.2 41.0 41.2 41.3 41.0 40.7 40.6 40.6 40.7.40.7 40.7 40.7 41.0 41.6 41.2 40.0 40.7 40.6 40.6 41.0 40.9 33 41.0 41.3 42.0 42.7 43.4 43.9 44.2 44.6 45.4 45.4 45.0 43.3 42.4,42.4.42.0 41.8 41.7 41.7 41.6 41.6 41.5 41.5 41.6 41.5 42.6 MONTHLY AVERACE 48.8 l

1

s TABLE 3.1-12 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANK!E SAMPIE' STATION NO. 3 DECEMBER 1982 DAT DAILY HOUR AVERACE I

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

41.6 41.6 41.6 41.8 42.7 43.5 44.1 44.4 44.7 45.1 44.3 43.4 42.I 42.0 41.9 41.8 41.8 41.7 41.7 41.6 41.6 41.5 41.5 41.4 42.5 2

'4!.5 41.3 41.4 41.7 42.2 42.8 43.5 43.8 44.5 45.3 44.4 42.7 42.0 41.8 41.7 41.8 41.8 41.7 41.7 41.6 41.5 41.4 41.3 41.3 42.3 3

41.3 41.4 41.6 41.8 41.9 42.3 42.9 43.7 44.3 43.9 42.7 42.3 42.2 42.1 42.2 42.2 42.2 42.2 42.2 42.1 42.2 42.2 42.2 42.2 42.3 4

42.3 42.3 42.6 42.9 43.0 42.9 42.8 42.6 42.5 42.5 42.5 42.5 42.5 42.7 42.6 42.6 42.6 42.5 42.5 42.4 42.5 42.5 42.6 42.6 42.6 5

42.7 42.7 42.7 42.7 42.7 42.6 42.7 43.2 44.4 45.1 44.2 43.6 43.3 43.1 43.0 42.9 42.9 42.9 42.8 42.7 42.7 42.7 42.7 42.7 43.1 6

42.7 42.6 42.6 42.8 43.2 44.1 45.0 45.7 46.1 45.5 44.4 43.9 43.7 43.7 43.6 43.6 43.6 43.4 43.4 43.3 43.2 43.2 43.2 43.2 43.7 7

43.3 43.2 43.2 43.3 43.3 43.5 44.3 45.0 45.8 46.8 45.8 44.4 43.8 43.8 43.9 44.0 44.0 43.9 43.9 43.8 43.7 43.6 43.6 43.6 44.1 8

43.7 43.7 43.6 43.7 43.6 44.1 44.7 45.6 46.7 45.7 44.5 44.1 44.1 44.3 44.4 44.6 44.5 44.6 43.7 43.4 43.3 43.1 42.9 42.9 44.1 9

42.9 43.0 43.4 41 % 44.5 45.0 45.5 45.6 46.1 46.6 45.6 44.3 43.5 43.2 42.9 43.2 43.5 43.1 42.1 41.8 41.7 41.5 41.4 41.2 43.6 I

10 41.2 41.2 41.1 *, 1

.l.5 42.0 42.5 43.4 43.8 42.5 40.8 40.5 40.7 40.8 40.9 40.7 40.8 41.6 41.1 40.8 40.5 40.5 40.5 40.4 41.3 y

11 40.3 40.2 40.3 s.

A.9 42.2 42.6 42.9 43.2 43.5 43.9 44.2 44.8 44.9 45.0 45.0 44.9 44.7 44.6 43.2 41.5 40.8 40.6 40.4 42.8 3

12 40.4 40.4 40.2 4'

  • 40.7 41.4 41.9 42.1 42.2 42.4 42.7 42.9 43.2 43.6 43.8 43.9 44.2 44.5 44.6 44.6 44.6 44.6 44.6 42.6 13 44.5 44.4 44.2 4

- * * - 43.9 43.9 44.2 43.6 40.7 38.5 38.0 37.9 37.9 37.8 37.5 37.2 37.1 37.1 37.0 36.7 36.5 36.5 36.5 40.0 14 36.6 36.8 36.7 T1 i9 38.5 39.3 40.4 39.7 38.2 38.0 37.5 37.2 37.2 37.6 37.8 38.6 3?.8 37.7 37.4 37.1 37.0 36.9 37.8 15 37.1 37.1 37.2

    • .a 38.7 39.0 39.6 40.7 40.9 40.7 40.2 39.6 39.0 38.9 39.3 39.4 37.5 36.6 36.2 36.0 35.9 35.6 38.3 16 35.4 35.5 35.4, u,4 35.i n.1 36.1 36.6 37.7 38.4 37.5 36.9 36.5 36.3 36.3 36.2 36.1 35.8 35.7 35.7 35.5 35.5 35.5 35.4 36.1 17 35.3 35.3 35.5 35.

O h.J 35.3 35.2 35.2 35.3 35.4 35.5 35.5 35.6 35.6 35.6 35.6 35.4 35.3 35.1 35.0 34.8 34.7 34.7 35.3 18

%.6 34.5 %.4 34.3 32 33.8 33.7 33.4 33.3 33.5 33.7 33.8 34.0 34.1 34.1 33.8 33.5 33.3 33.3 33.3 33.2 33.2 33.3 33.3 33.7 19 33.5 33.8 33.9 34.5 34.8 34.9 34.9 35.0 35.4 35.2 34.7 34.3 34.2 34.2 34.2 34.2 34.2 34.1 34.2 34.1 34.1 34.1 34.1 34.1 34.4 20 34.2 34.2 34.5 34.9 35.1 35.0 35.0 35.1 34.9 34.4 34.2 34.1 34.2 34.2 34.4 34.6 34.5 34.4 34.2 34.1 34.0 34.1 34.0 34.1 34.4 21

%.2 34.4 34.6 34.9 35.0 35.0 35.0 35.1 35.1 35.0 34.5 34.3 34.3 34.4 34.5 34.6 34.7 34.7 34.4 34.3 34.2 34.2 34.1 34.1 34.6 22 34.2 %.3 34.6 34.9 35.0 34.9 35.0 35.1 35.1 35.1 34.6 34.4 34.4 34.4 34.4 34.3 34.3 34.3 34.2 34.2 34.1 34.0 34.0 34.0 34.5 23 33.9 33.9 33.8 33.9 34.1 34.3 35.2 37.6 38.2 36.4 35.2 34.7 34.4 34.4 34.3 34.3 34.6 35.6 34.8 34.3 34.1 34.1 34.1 34.0 34.8 24 33.9 %.0 34.2 34.6 35.2 35.8 36.5 37.1 37.9 39.2 38.6 37.0 35.8 35.1 34.9 34.9 35.2 35.4 34.9 34.4 34.3 34.2 34.2 34.3 35.5 25

%.4 %.3 %.5 34.7 35.1 35.6 36.0 36.4 36.8 37.4 38.8 39.2 38.5 37.5 36.7 36.1 35.8 35.4 35.2 34.7 34.4 34.2 34.1 34.2 35.8 26 34.4 %.5 34.6 34.7 35.0 35.3 35.7 36.0 36.5 36.9 36.7 36.1 35.5 35.2 35.0 35.0 34.9 34.8 34.7 34.6 34.5 34.5 34.6 34.6 35.2 27

%.5 %.5 34.5 %.5 34.5 34.5 34.5 34.5 34.6 34.5 34.4 34.4 34.5 34.5 34.5 34.5 34.5 34.4 34.3 34.3 34.3 34.2 34.2 34.2 34.4 26 34.3 34.3 34.3 34.4 34.5 34.5 34.6 34.6 34.6 34.7 34.9 34.8 34.9 34.9 35.0 35.0 35.0 35.0 34.9 34.9 35.0 35.0 35.1 35.2 34.8 29 35.3 35.4 35.8 35.9 36.0 36.1 36.1 36.1 36.0 35.9 35.9 36.0 36.0 36.1 36.1 36.1 36.0 36.0 35.9 35.9 35.8 35.7 35.7 35.7 35.9 30 35.7 35.6 35.6 35.7 35.6 35.6 35.6 35.6 35.6 35.6 35.7 35.8 35.8 35.8 35.8 35.8 35.7 35.6 35.5 35.4 35.3 35.1 35.1 35.1 35.6 31 35.1 35.1 35.1 35.1 35.3 35.4 35.4 35.4 35.3 35.2 35.2 35.3 35.3 35.4 35.5 35.6 35.6 35.6 35.7 35.8 35.9 35.9 35.9 36.0 35.5 MONTHLY AVERACE 38.4

TABLE 3.2-1 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKIE SAMPLE STATION NO. 7 JANUARY 1982 DAILY DAY HOUR AVERACE l

1 2

3 4

5 6

7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 2

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 3

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 4

32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 5

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 6

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 7

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 8

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 9

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.2 32.0 32.1 32.0 32.0 32.1 32.0 10 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 11 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 v3 c4 12 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.1 32.2 32.2 32.2 32.1 32.1 32.1 32.1 3

13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 14 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.0 15 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 16 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 17 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 18 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1 19 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 20 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 21 32.1 32.1 32.1 32.0 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 22 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 24 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.I 25 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 26 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 27 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 3*.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.1 28 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.2 29 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.1 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.1 32.1 30 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1. 32.1 32.1 32.1 32.1 31 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.0 32.1 MONTHLY AVERACE 32.1 m__~

________a

TABLE 3.2-2 AVERACE NOURLY TRMPERATURE IN 'F VERMONT YANKEE SAMP!.E STATION NO. 7 FEBRUARY 1982 DAILY DAY HOUR AVERAGE 1

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 - 24 1

32.0 32.0 32.0 32.1.32.1 32.1. 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 ~ 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 2

32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.1 32.1 32.0 32.0.

32.0 3

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.0 32.1 32.0 32.1 32.0 32.0

-32.0 4

32.0 32.0 32.0 32.0 32.0 32.0 32.0.32.0 32.0 32.0 32.0 32.0 32.0 '32.0 32.1 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 5

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 6

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0.32.0 32.0,32.0 32.0,32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0. 32.0 32.0 32.0 32.0 7

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0.32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 8

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 9

32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 '32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0- 32.0 32.0 10 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.0 g

La 11 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1

%J 12 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 '32.1 32.1 32.1 32.2 32.1 32.2 32.2 32.1 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 I

13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 14 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 15 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 16 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 17 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 18 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 -32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 19 32.1 32.1 32.1 32.0 32.0 32.1 32.1 32.0 32.1-32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 20 32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 21 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 22 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 J2.1 32.1 32.1 32.1 32.1 32.l 32.1 32.1 32.1 32.1 32.1 32.1 24 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 : 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1.

32.1 25 32.1 32.1 32.1 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 26 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 27 32.1 32.1 32.5 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.2 32.1 32.2 32.1 32.1 32.1 28 32.1 32.1 32.1 32.1 32.1 34.1 32.1 32.1 32.1 32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 MONTHLY AVERACE 32.1

s e

TABLE 3.2-3 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 NARCH 1982 DAILY DAY HOUR AVERACE 1

2 3'

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18_

19 20 21 22 23, 24 -

1 32.1 32.1 32.1 32.1 ~32.1 32.1 32.1 32.1 32.1.32.1 32.2 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 2

32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 3

32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1'32.1 32.1 32.1 32.1 32.1 4

32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 5

32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 '32.1 32.1 32.1 32.1 32.1 32.0 32.1 6

32.1 32.0 32.0 32.0.32.0 32.0 32.0 32.0 32.1 32.0 32.0 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 7

32.1 32.1 32.1 32.0 32.0 - 32.0 32.0 32.1 32.1 32.0 32.0 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 8

32.1 32.1 32.1 32.1 32.1 32.0 32.0 32.0 32.0 '32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 9

32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.!'32.1 32.1 32.1 32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 g

10 32.1 32.1 32.1 32.!_ 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.0 32.1 32.1 32.8 La 11 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.0 32.4 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.0 00 12 32.1 32.1 32.0 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 13 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.1 32.1 32.1 32.1 32.1 32.1 -

14 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 ^32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 15 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.I' 32.1 32.2 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 16 32.2 32.2 32.1 32.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 17 32.2 32.2 32.1 32.1 32.1 3J.I 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 18 32.1 32.1.32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 19 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 ~32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 20 32.1 32.1 32.1 32.2 32.2 32.1 32.1 32.2.32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2 -

21 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.1 32.2 32.1 32.2 32.1 32.1 32.1 32.1 22 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 23 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2 24 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 -32.3 32.3 32.3 32.3 32.4 32.3 32.3 32.3 32.3 32.3 32.2 32.2 25 32.2 32.2 32.2 32.1 32.1 32.1 32.1 32.2 32.2 32.3 32.3 32.2 32.3 32.3 32.3 32.4 32.4 32.4 32.4 32.4 32.3 32.3 32.2 32.2

.32.3 26 32.2 32.2 32.2 32.3 32.2 32.2 32.2 32.2 32.1 32.2 32.3 '32.3 32.3 32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 32.1 32.1 32.1 32.2 27 32.1 32.0 32.0.32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.1 32.1 32.1 32.1 28 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.2 32.2 32.2 32.2 32.3 32.3 32.2'32.2 32.1 32.1 '32.1 32.1 '32.1 32.1

-32.1 29 32.1 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.1 32.1 32.2 32.3 32.4 32.4 32.4 32.4 32.4 32.5 32.6 32.6 32.6 32.6 32.5 32.3 30 32.4 32.4 32.3 32.3 32.2 32.1 32.1 32.1 32.2 32.2 32.4 32.5 32.7 32.8 32.9 33.0 33.0 33.0 33.0 33.0 33.1 33.1 33.2 33.1 32.6' 31 33.0 33.0 32.9 32.9 32.8 32.7 32.7 32.7 32.7 32.7 32.7 32.6. 32.7 32.8 32.8 32.8 32.8 32.9 32.8 32.9 33.0 33.1 33.1 33.0 32.8 MONTHLY AVERACE 32.2

TABLE 3.2-4 AVERACE HOURLY TEMPERATURE IN *F VERMONT YAFKEE SAMPLE STATION NO. 7 APRIL 1982 DAY DAILY HOUR AVERACE I

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

32.9 32.9 32.9 32.9 32.9 33.0 32.8 32.9 33.1 33.3 33.5 33.8 34.1 34.4 34.7 34.9 35.1 35.2 35.1 34.9 34.7 34.6 34.5 34.4 33.9 2

34.2 33.9 33.6 33.4 33.2 33.0 32.9 32.8 '32.8' 33.0 33.0 33.3 33.6 33.8 34.1 34.4 34.6 34.6 34.7 34.7 34.7 34.7 34.7 34.6 33.8 3

34.5 34.4 34.4. 34.6 34.8 34.9 35.0 35.0 35.1 35.3 35.4 35.4 35.5 35.6 35.7 35.8 35.8 35.9 35.9 36.1 36.1 36.0 35.9 35.8 35.4 4

35.7 35.5 35.4 35.3 35.3 35.3 35.3 35.3 35.3 35.4 35.5 35.6 35.8 35.8 35.8 35.9 35.9 35.9 35.8 35.7 35.6 35.4 35.2 35.0 35.5 5

34.8 34.7 34.6 34.5 34.3 34.2 34.2 34.1 34.0 34.1 34.3 34.5 34.8 35.0 35.2 35.5 35.5 35.6 35.6 35.5 35.4 35.3 35.2 35.0 34.8 6

34.9 34.8 34.7 34.6 34.6 34.4 34.3 34.2 34.1 33.9 33.7 33.6 33.4 33.3 33.2 33.1 32.9 32.8 32.7 32.6 32.5 32.5 32.4 32.4 33.6 7

32.4 32.3 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.2 32.2 32.2 32.3 32.2 32.2 32.1 32.I 32.1 32.1 32.0 32.1 32.2 8

12.0 32.0 32.0 32.0 32.0 32.0 32.0 32.0 32.1 32.2 32.3 32.4 32.5 32.5 32.6 32.5 32.4 32.4 32.3 32.3 32.3 32.3 32.3 32.3 32.2 9

32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.5 32.6 32.8 32.9 33.0 33.1 33.1 33.1 33.1 33.0 33.1 33.1 33.2 33.2 32.7 10 33.3 33.3 33.4 33.4 33.4 33.4 33.3 33.2 33.0 32.9 32.9 33.0 33.2 33.3 33.4 33.5 33.7 33.8 33.9 34.0 34.0 33.9 33.9 33.8 33.5 h

33.9 34.0 34.1 34.0 33.9 33.8 33.6 33.5 33.5 33.5 33.7 33.8 34.0 34.3 34.7 35.0 35.4 35.6 35.8 35.9 35.8 35.8 35.7 35.7 34.5 W

12 35.7 35.7 35.8 35.9 36.0 35.9 36.0 36.0 36.0 35.9 36.0 36.2 36.4 36.4 36.6 36.8 36.9 37.I 37.1 37.0 36.9 36.8 36.7 36.7 36.4 5

13 36.6 36.7 36.7 36.7 36.7 36.7 36.6 36.6 36.5 36.5 36.6 36.7 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.8 36.7 36.6 36.5 36.7 14 36.5 36.5 36.6 36.7 36.7 36.7 36.6 36.6 36.7 36.8 37.0 37.2 37.5 37.8 38.1 38.5 38.7 38.9 39.0 38.9 38.9 38.9 38.8 38.7 37.6 15 38.6 38.6 38.5 38.5 38.4 38.2 38.0 37.9 37.9 37.9 38.1 38.3 38.5 38.8 39.1 39.4 39.6 39.9 40.1 40.3 40.4 40.5 40.4 40.5 39.0 16 40.4 40.3 40.2 40.0 39.8 39.6 39.4 39.2 39.2 39.2 39.4 39.6 39.9 40.2 40.5 40.8 41.1 41.3 41.6 41.8 42.0 42.1 42.0 41.8 40.5 17 41.6 41.3 41.1 40.8 40.7 40.5 40.4 40.3 40.3 40.3 40.4 40.5 40.6 40.8 41.0 41.1 41.3 41.5 41.6 41.5 41.4 41.3 41.2 41.2 40.9 18 41.2 41.1 41.1 41.1 40.9 40.8 40.6 40.5 40.5 40.5 40.5 40.5 40.5 40.6 40.7 40.8 40.9 40.9 41.0 41.0 40.9 40.8 40.7 40.5 40.8 19 40.3 40.0 39.7 39.4 39.2 39.0 38.9 38.8 38.8 38.9 39.1 39.3 39.4 39.6 39.7 39.8 39.9 40.0 40.1 40.2 40.3 40.4 40.5 40.4 39.7 20 40.2 40.1 39.9 39.7 39.5 39.4 39.3 39.2 39.2 39.3 39.5 39.6 39.9 40.1 40.3 40.6 40.9 41.0 41.2 41.3 41.2 41.2 41.2 41.2 40.2 21 41.1 41.0 41.0 41.0 41.0 41.0 41.0 40.9 40.9 40.9 ~ 40.9 41.0 41.2 41.3 41.4 41.6 41.7 41.7 41.8 41.7 41.6 41.5 41.4 41.2 41.2 22 41.1 41.0 40.8 40.6 40.5 40.4 40.3 40.3 40.3 40.5 40.6 40.7 40.8 40.8 40.9 40.9 40.9 40.9 40.8 40.7 40.6 40.4 40.3 40.1 40.6 23 39.9 39.7 39.5 39.4 39.2 39.1 39.1 38.9 38.9 39.0 39.1 39.3 39.5 39.7 39.9 40.2 40.3 40.3 40.3 40.1 40.0 39.9 39.8 39.7 39.6 24 39.6 39.6 39.5 39.4 39.4 39.4 39.4 39.5 39.6 39.8 40.2 40.6 40.9 41.4 41.7 42.0 42.1 42.1 42.1 42.0 41.8 41.8 41.6' 41.4 40.7 25 41.3 41.2 41.1 41.1 41.0 41.0 41.1 41.3 41.6 41.9 42.3 42.6 43.0 43.4 43.7 43.8 43.9 43.9 43.8 43.7 43.5 43.3 43.2 42.5 26 43.1 43.1 43.1 43.0 43.1 43.1 43.1 43.3 43.4 43.6 43.8 44.0 44.2 44.4 44.5 44.6 44.6 44.5 44.5 44.5 44.5 44.6 44.7 44.8 43.9 27 44.8 44.9 44.9 44.8 44.8 44.8 44.7 44.7 44.7 44.8 44.9 45.0 45.2 45.3 45.4 45.4 45.4 45.4 45.3 45.2 45.1 45.0 44.9 44.8 45.0 28 44.7 44.6 44.5 44.5 44.4 44.3 44.3 44.3 44.2 44.2 44.I 44.1 44.1 44.2 44.4'44.5 44.6 44.7 44.6 44.5 44.4 44.2 44.1 44.0 44.4 29 43.9 43.8 43.7 43.6 43.6 43.5 43.4 43.4 43.4 43.5 43.6 43.7 43.9 44.2 44.4 44.6 44.7 44.8 44.8 44.7 44.6 44.4 44.3 44.3 44.0 30 44.0 43.9 43.8 43.7 43.6 43.5 43.5 43.5 43.5 43.6 43.7 43.9 44.1 44.4 44.6 44.8 44.9 44.9 44.9 45.0 45.0 45.0 45.0 44.9 44.2 MONTHLY AVERACE 38.3

TABLE 3.2-5 AVERACE HOURLY TEHFERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 KAY 1982 DAILY DAY H0UR

. AVERACF.

I 2

3 4

5 6

7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

44.9 44.8 44.7 44.7 44.6 44.5 44.3 44.2 44.2 44.2 44.4 44.5 44.7 44.9 45.3 45.6 45.8 46.0 46.3 46.4 46.4 46.5 46.4 46.4 45.2 2

46.3 46.2 45.9 45.8 45.6 45.4 45.3 45.1 45.1 45.1 45.2 45.5 45.9 46.1 46.1 46.2 46.4 46.7 46.9 47.0 47.1 47.1 47.1 47.0 46.1 3

46.9 46.9 47.0 47.0 47.0 46.9 46.8 46.8 46.8 46.8 46.9 47.0 47.1 47.3 47.4 47.4 47.5 47.5 47.5 47.5 47.5 47.6 47.7 47.7 47.2 4

47.7 47.7 47.6 47.6 47.6 47.7 47.7 47.8 47.8 47.9 48.3 48.1 48.2 48.3 48.4 48.4 48.4 48.4 48.4 48.5 48.5 48.6 48.5 48.5 48.1 5

48.5 48.4 48.3 48.2 48.1 48.0 47.8 47.8 47.7 47.9 48.0 48.1 48.3 48.5 48.7 48.9 49.1 49.2 49.3 49.4 49.3 49.3 49.3 49.1 48.6 6

49.1 49.0 48.9 48.8 48.6 48.5 48.3 48.2 48,1 48.1 48.1 48.3 48.6 48.9 49.2 49.6 49.8 50.1 50.2 50.4 50.4 50.5 50.5 50.5 49.2 7

50.5 50.5 50.4 50.3 50.3 50.3 50.2 50.1 50.0 50.0 50.0 50.0 50.2 50.2' 50.4 50.6 50.8 51.0 51.0 51.1 51.1 51.2 51.3 51.4 50.5 8

51.4 51.5 31.6 51.7 51.7 51.7 51.6 51.6 51.5 51.5 51.5 51.6 51.8 52.0 52.2 52.3 52.4 52.6 52.6 52.7 52.7 52.7 52.7 52.8 52.0 9

52.8 52.9 53.0 53.0 53.1 53.1 53.0 53.1 53.2 53.3 53.3 53.4 53.4 53.5 53.6 53.7 53.8 53.7 53.6 53.6 53.5 53.5 53.5 53.5 53.3 10 53.5 53.5 53.4 53.4 53.4 53.3 53.3 $3.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.2 53.2 53.3 53.2 53.2 53.3 53.3 53.3 53.2 53.3 j

11 53.3 53.4 53.3 53.3 53.2 53.2 53.0 52.9 52.8 52.8 52.9 53.0 53.2 53.4 53.6 53.8 54.1 54.1 54.1 54.1 54.2 54.2 54.3 54.4 53.5 Cp 12 54.5 54.5 54.4 54.3 54.2 54.0 53.6 53.4 53.1 53.0 53.0 52.9 53.0 53.2 53.5 53.7 53.9 54.0 54.0 54.0 53.9 54.1 53.9 54.0 53.8 1

13 54.1 54.1 54.2 54.2 54.3 54.2 54.2 54.1 54.0 53.8 53.8 53.8 53.8 53.8 53.9 54.1 54.3 54.2 54.1 54.0 54.0 53.9 53.8 53.9 54.0 14 53.9 54.0 54.1 54.2 54.1 54.0 $3.9 54.0 53.8 53.9 54.0 '54.2 54.3 54.5 54.7 55.0 55.1 55.2 55.2 55.1 55.1 55.0 55.0 54.9 54.5 15

54. 8 54.7 54.7 54.6 54.5 54.5 54.5 54.6 54.7 54.9 54.9 55.0 55.2 55.4 55.6 55.8 56.0 56.2 56.3 56.3 56.3 56.3 56.3 56.4 55.4 16 56.4 56.4 56.3 56.3 56.3 56.2 56.1 56.2 56.2 56.3 56.3 56.5 56.8 57.2 57.5 57.5 57.5 57.5 57.4 57.4 57.4 57.3 57.3 57.2 56.8 17 57.1 57.0 56.9 56.9 56.8 56.8 56.8 56.8 56.9.57.2 57.6 57.8 58.2 58.7 58.8 58.8 58.9 58.9. 58.9 58.8 58.8 58.7 58.5 58.2 57.9 18 57.9 57.8 57.7 57.7 57.7 57.6 57.6 57.5 57.6 57.7 57.9 58.2 58.5 59.1 59.4 60.0 60.5 60.7 60.8 60.8 60.6 60.5 60.2 59.9 58.9 19 59.6 59.3 59.I $9.0 58.9 58.7 58.6 58.6 58.7 58.7 59.0 59.3 59.7 60.2 60.6 60.7 60.8 60.9 60.8 60.7 60.6 60.4 60.3 60.3 59.7 20 60.2 60.1 60.0 59.8 59.7 59.6 59.5 59.5 59.6 59.7 59.8 59.9 59.9 60.1 60.3 60.4 60.9 62.3 62.6 62.8 62.8 62.8 62.6 62.4 60.7 21 62.2 62.2 62.0 61.9 61.8 61.7 61.6 61.6 61.7 61.9 62.1 62.5 62.7 62.9 63.1 63.4 63.6 63.6 63.4 63.1 62.8 62.5 62.4 62.3 62.5 22 62.2 62.1 62.0 61.9 61.8 61.8 61.9 62.2 62.3 62.5 62.7 62.8 62.8 62.9 63.0 63.0 63.0 62.8 62.6 62.4 62.3 62.2 62.2 62.I 62.4 23 62.1 62.0 62.0 62.0 61.9 61.9 61.8 61.8 61.8 61.8 61.7 61.7 61.7 61.8 61.7 61.6 61.5 61.3 61.2 61.0 60.8 60.6 60.5 60.3 61.5 24 60.2 60.1 60.0 60.0 59.9 59.9 59.8 59.8 59.7 59.6 59.6 59.5 59.3 59.I 59.1 59.I 59.I 59.1 59.0 58.8 58.7 58.6 58.4 58.3 59.4 25 58.3 58.2 58.2 58.1 58.1 58.1 58.1 58.2 58.2 58.2 58.3 58.3 58.1 58.6 58.7 58.8 58.9 58.9 58.9 58.9 58.7 58.5 58.4 58.2 58.4 26 58.2 58.1 58.1 58.0 57.9 57.8 57.7 57.7 57.7 57.8 58.0 58.1 58.3 58.6 59.0 59.3 59.3 59.7 59.8 59.7 59.7 59.8 59.7 59.5 58.6 27 59.4 39.3 59.I 59.0 58.9 58.8 58.8 58.8 58.8 58.9 59.0 59.0 59.2 59.5 59.7 59.9 60.1 60.2 60.4 60.5 60.5 60.5 60.4 60.2 59.5 28 60.1 60.0 60.0 60.0 60.0 59.9 60.0 60.0 60.0 60.1 60.2 60.5 60.8 61.1 61.3 61.6 61.9 62.1 62.2 62.3 62.3 62.2 62.1 62.1 61.0 29 62.1 62.1 62.1 62.0 62.0 62.0 62.0 62.0 62.0 62.0 62.0 61.9 61.7 61.8 62.0 62.1 61.9 61.8 61.8 61.7 61.7 61.8 61.8 61.8 61.9 30 61.8 61.8 61.8 61.8 61.8 61.8 61.9 61.9 62.0 62.0 62.2 62.3 62.4 62.6 62.7 62.7 62.6 62.5 62.4 62.6 62.7 62.7 62.6 62.4 62.2 31 62.4 62.5 62.5 62.5 62.4 62.4 62.4 62.4 62.4 62.4 62.4 '62.4 62.4 62.4 62.3 62.3 62.2 62.2 62.2 62.1 62.2 62.3 62.3 62.4 62.4 MONTHLY AVERACE 55.8 L.

TABLE 3.2-6 AVERACE HOURLY TEMPERATURE IN *F ~

VERMONT YANKEE SAMPLE STATION NO. 7 JUNE 1982 DAILY DAY HOUR AVERACE I

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

62.6 62.6 62.6 62.5 62.5 62.6 62.6 62.6 62.6 62.7 62.8 62.8 62.8 62.9 63.1 63.2 63.2 63.2 63.2 63.2 63.2 63.2 63.2 63.2 62.9 2

63.1 63.2 63.1 63.1 63.1 63.1 63.1 63.0 63.1 63.1 63.1 63.1 63.1 63.2 63.7 64.0 64.4 M.6 M.7 64.6 64.5 64.5 64.4 M.3 63.6 3

64.3 M.2 64.1 64.0 63.8 63.7 63.5 63.5 63.4 63.4 63.4 (3.5 63.6 63.8 63.9 64.1 64.1 64.1 64.2 M. I 64.1 64.0 63.9 63.8 63.9 4

63.7 63.6 63.5 63.5 63.4 63.4 63.4 63.4 63.6 63.7 63.9 M.1 64.2 64.4 64.5 64.5 64.4 M.3 64.2 64.1 M.0 63.9 63.9 63.8 63.9 5

63.8 63.8 63.8 63.8 63.8 63.7 63.7 63.7 63.6 63.7 63.7 63.7 63.7 63.7 63.5 63.4 63.2 63.0 62.8 62.6 62.5 62.3 62.2 62.1 63.3 6

62.1 62.0 61.8 61.5 61.2 60.9 60.4 60.2 60.1 60.0 59.9 59.8 59.8 59.7 59.7 59.5 59.3 59.1 59.0 58.9 58.9 59.0 59.0 59.0 60.0 7

58.9 58.8 58.7 58.5 58.5 58.4 58.3 53.3 58.3 58.3 58.3 58.2 58.2 58.1 58.0 58.1 58.1 58.1 57.9 57.8 57.7 57.6 57.5 57.4 58.2 8

57.4 57.4 57.4 57.3 57.3 57.2 57.1 57.1 57.0 57.0 57.0 57.1 57.3 57.5 57.8 58.0 58.1 58.3 58.5 58.5 58.5 58.5 58.4 58.3 57.7 9

58.! 57.9 57.8 57.8 57.8 57.9 58.0 58.1 58.2 58.3 58.4 58.5 58.6 58.7 59.0 59.7 60.1 60.3 60.4 60.5 60.6 60.7 60.7 60.6 59.0 i

10 60.6 60.5 60.4 60.2 59.9 59.9 59.8 60.0 60.0 60.0 60.2 60.3 60.4 60.7 60.9 61.6 62.1 62.5 62.7 62.7 62.7 62.6 62.5 62.4 61.1 l

,p.

11 62.2 62.1 62.0 62.0 61.9 61.8 61.7 61.7 61.7 61.7 61.6 61.6 61.7 61.8 61.5 61.4 61.9 62.3 62.5 62.6 62.7 62.8 62.9 62.8 62.0 l

Fd 12 62.9 62.9 62.9 62.9 62.9 62.9 62.9 63.0 63.0 63.1 63.0 62.9 62.9 62.8 62.6 62.5 62.9 63.1 63.1 63.1 63.0 62.9 62.9 62.8 62.9 3

13 62.7 62.7 62.7 62.6 62.6 62.5 62.4 62.4 62.4 62.3 62.3 62.3.62.2 62.0 61.9 61.8 61.7 61.7 61.6 61.6 61.5 61.4 61.4 61.2 62.1 14 61.2 61.3 61.3 61.4 61.4 61.5 61.5 61.1 60.9 60.9 61.2 61.5 61.5 61.3 61.2 61.4 61.5 61.8 62.1 62.3 62.2 62.1 62.0 61.9 61.5 15 61.7 61.7 bl.6 61.4 61.4 61.4 61.2 61.2 61.1 60.9 60.9 60.9 60.8 60.8 60.8 61.4 61.9 62.3 62.4 62.4 62.4 62.5 62.7 62.8 61.6 16 62.9 62.9 62.9 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.7 62.8 63.0 62.9 62.8 62.0 63.0 63.0 63.0 63.2 63.4 63.6 63.7 63.0 17 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.7 63.8 63.8 63.7 63.6 63.4 63.2 62.9 62.9 G3.0 63.1 63.1 63.1 62.9 62.8 62.7 62.6 63.3 18 62.6 62.5 62.5 62.4 62.4 62.3, 62.3 62.2 62.2 62.1 62.2 62.4 62.6 63.0 63.2 63.6 63.9 64.4 M. 7 64.9 65.0 65.2 65.3 65.4 63.3 19 65.4 65.3 65.3 65.2 65.2 65.2 65.1 65.1 65.1 65.1 64.9 64.9 M.8 64.5 64.4 65.0 65.5 65.7 65.8 66.0 66.1 66.1 66.2 66.3 65.3 l

20 66.4 66.5 66.5 66.5 66.5 66.5 66.5 66.5 66.6 66.7 66.7 66.6 66.5 66.5 66.3 66.1 65.9 66.0 66.4 66.5 66.4 66.4 66.4 66.4 66.4 21 66.4 66.3 66.3 66.3 M. 2 66.2 66.2 66.3 66.4 66.4 66.3 66.5 66.7 66.7 66.1 65.9 66.4 66.7 66.9 66.9 66.8 66.8 66.8 66.7 M. 5 22 66.7 66.7 66.6 66.6 66.6 66.6 66.6 66.7 66.9 66.9 66.8 66.9 66.9 67.0 66.7 M.7 67.1 67.3 67.3 67.3 67.3 67.3 67.3 67.2 66.9 23 67.1 67.1 67.1 67.1 67.0 67.0 67.0 67.1 67.2 67.3 67.4 67.5 67.6 67.6 67.3 67.1 67.1 67.1 67.0 M.8 66.6 66.5 66.3 66.3 67.0 24 66.3 66.4 66.5 66.5 66.4 66.4 66.3 66.2 66.2 66.2 66.1 65.9 65.9 65.8 65.5 65.7 66.1 M.4 66.4 66.4 66.4 66.4 66.3 66.3 66.2 25 66.2 66.1 66.0 65.9 65.8 65.7 65.7 65.7 65.7 65.6 65.7 65.7 65.8 65.8 65.8 65.8 66.2 M.5 66.7 M.9 67.0 67.0 67.0 H.9 66.1 26 66.9 67.0 67.1 67.1 67.1 67.0 66.9 66.7 66.5 66.4 66.3 66.2 66.2 66.2 66.2 M.3 66.3 66.3 66.3 H.4 66.5 66.6 66.5 66.5 66.6 27 66.2 66.2 66.3 66.3 66.2 66.2 66.1 66.0 65.9 65.8 65.7 65.7 65.7 65.7 65.8 66.0 '66.1 66.2 M.5 66.6 M.8 66.9 66.9 66.9 66.2 28 66.8 66.9 66.9 67.0 67.0 67.0 67.0 67.0 67.1 67.1 67.1 67.1 67.0 67.1 67.3 67.5 67.5 67.7 67.8 67.8 67.8 67.8 67.8 67.9 67.3 29 68.0 68.1 68.1 68.1 68.0 67.8 67.7 67.5 67.5 67.4 67.4 67.5 67.5 67.5 67.5 67.6 67.6 67.7 67.8 67.7 67.6 67.5 67.4 67.2 67.7 30 67.0 66.8 66.6 66.5 66.3 66.3 66.2 66.3 66.4 66.5 66.7 66.9 67.1 67.2 67.3 67.5 67.6 67.5 67.6 67.5 67.6 67.2 67.0 66.9 66.9 MONTHLY AVERAGE 63.8 u_.___

TABLE 3.2-7 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 JULY 1982 DAILY DAY HOUR AVERAGE 1

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

66.6 66.4 66.1 65.9 65.7 65.4 65.2 65.4 65.3 65.2 65.1 65.0 64.9 65.0 65.1 65.2 65.4 65.5 65.6 65.6 65.6 65.6 65.5 65.5 65.5 2

65.5 65.4 65.4 65.4 65.4 65.4 65.3 65.3 65.2 65.2 65.3 65.4 65.5 65.6 65.7 65.8 65.9 65.9 65.9.66.0 65.9 65.9 65.8 65.7 65.6 3

65.6 65.5 65.5 65.4 65.4 65.4 65.4 65.4 65.5 65.6 65.7 65.8 65.8 65.9 65.9 65.9.65.8 65.8 65.7 65.7 65.6 65.5 65.4 65.3 65.6 4

65.1 65.0 65.0 64.6 64.4 64.4 64.3 64.2 64.2 64.2 64.3 64.3 64.5 64.6 64.9 64.8 65.1 65.3 65.4 65.3 65.1 65.3 65.4 65.4 64.8 5

65.3 65.2 65.1 65.0 65.0 64.9 64.9 65.0 65.0 65.1 65.1 65.2 65.2 65.2 65.1 65.1 65.2 65.3 65.4 65.5 65.5 65.6 65.8 65.9 65.2 6

66.1 66.2 66.1 66.0 66.0 65.9 65.9 65.8 65.8 65.9 66.0 66.1 66.1 66.3 66.6 67.0 67.4 67.7 67.9 68.0 68.0 68.1 68.1 68.1 66.7 7

68.0 67.8 67.7 67.7 67.6 67.6 67.5 67.5 67.4 67.3 67.1 67.1 67.2 67.5 67.8 68.2 68.5 68.7 69.0 69.2 69.2 69.1 69.0 69.1 68.0 8

69.1 69.0 68.9 68.9 68.9 68.9 68.9 68.9 69.1 69.2 69.5 69.7 69.9 70.0 69.9 70.2 70.2 70.3 70.3 70.3 70.3 70.4 70.3 70.3 69.6 9

70.2 70.1 70.1 70.0 69.9 69.9 70.0 70.0 70.1 70.2 70.3 70.5 70.7 70.8 71.4 72.2 71.9 72.0 72.1 72.3 72.3 72.2 72.1 71.9 71.0 10 71.8 71.8 71.7 71.7 71.6 71.6 71.5 71.6 71.6 71.7 71.8 71.9 72.0 72.3 72.4 73.0 72.9 72.4 72.2 72.4 72.4 72.5 72.6 72.6 72.1 l

43 11 72.7 72.5 72.4 72.5 72.8 73.0 72.9 72.9 73.0 73.2 73.1 73.1 73.1 73.3 73.4 73.6 73.9 74.1 74.3 74.5 74.5 74.5 74.4 74.3 73.4 bJ 12 74. 2 74.1 74.0 73.9 73.9 73.9 74.0 74.1 74.1 74.1 74.1 74.0 73.9 73.8 73.7 73.6 73.7 73.7 73.7 73.7 73.7 73.7 73.7 73.7 73.9 I

13 73.7 73.7 73.7 73.9 73.9 73.9 73.9 73.8 73.8 73.8 73.8 73.8 73.8 73.9 74.0 74.1 73.7 73.6 73.7 73.6 73.7 73.9 73.7 73.7 73.8 14 73.8 73.8 73.7 73.7 74.1 74.3 74.3 74. 2 74.2 74.4 74.2 74.3 74.3 74.1 74.1 74.3 74.5 74.5 74.5 74.5 74.5 74.6 74.8 74.7 74.3 15 74.7 74.9 74.9 74.9 74.8 74.9 74.9 74.9 74.7 74.6 74.8 75.0 74.8 74.9 74.8 74.8 74.8 75.1 75.1 75.1 75.3 75.3 75.0 75.0 74.9 16 75.1 75.2 75.2 75.3 75.3 75.3 75.3 75.3 75.3 75.2 75.3 75.2 75.3 75.4 75.6 75.8 75.9 76.3 76.5 76.2 76.2 76.0 76.2 76.2 75.6 17 76.2 76.2 76.1 76.3 76.5 76.5 76.5 76.5 76.6 76.6 76.6 76.5 76.5 76.5 76.4 76.4 76.4 76.5 76.5 76.6 76.6 76.6 76.6 76.7 76.5 18 76.5 76.4 76.5 76.4 76.5 76.5 76.5 76.5 76.5 76.5 76.6 76.7 76.7 76.6 76.7 76.6 76.7 76.7 76.7 76.8 76.8 77.3 77.5 77.0 76.7 19 76.8 77.2 77.1 76.8 76.9 77.0 77.1 77.2 77.3 77.4 77.5 77.6 77.8 78.1 78.2 78.6 78.5 78.7.78.5 78.5 78.2 78.2 78.1 78.2 77.7 20 78.2 78.2 78.3 78.4 78.2 78.3 78.2 78.4 78.4 78.8 78.8 78.8 78.8 78.9 78.9 78.9 78.9 78.9 78.9 78.9 78.8 78.7 78.7 78.4 78.6 21 78.5 78.4 78.4 78.3 78.2 78.2 78.2 78.1 78.1 78.2 78.1 77.9 77.6 77.7 78.3 78.6 18.9 78.9 78.8 78.4 78.5 78.4 78.4 78.3 78.3 22 78.2 78.1 78.0 78.0 77.9 77.8 77.7 77.7 77.6 77.4 77.3 77.2 77.2 77.4 77.4 77.4 77.8 77.9 77.9 78.0 78.1 78.1 78.1 78.1 77.8 23 78.1 78.1 78.0 78.0 77.8 77.7 77.6 77.4 77.4 77.3 77.3 77.6 77.7 77.4 77.2 '77.1 77.2 77.9 78.1 78.1 78.2 78.1 78.0 77.9 77.7 24 77.8 77.7 77.6 77.5 77.4 77.4 77.2 77.1 77.1 77.0 76.9 76.9 76.9 77.0 77.0 77.0 77.0 76.9 76.7 76.7 76.7 76.6 76.6 76.6 77.1 25 76.5 76.6 76.6 76.6 76.7 76.7 76.6 76.7 76.7 76.6 76.7 76.8 76.7 76.6 76.6 76.6 76.7 76.6 76.7 76.8 76.7 76.8 76.7 76.8 76.7 26 76.6 76.7 76.6 76.6 76.7 76.7 76.7 76.8 76.7 76.6 76.5 76.6 76.5 76.6 76.6 76.6 76.5 76.6 76.8 76.7 76.6 76.6 76.6 76.6 76.6 27 76.7 76.6 76.5 76.6 76.6 76.7 76.5 76.6 76.6 76.6 76.7 76.5 76.5 76.5 76.5 76.1 76.3 76.3 76.4 76.6 76.3 76.3 76.4 76.5 76.5 26 76.6 76.6 76.4 76.5 76.6 76.5 76.4 76.3 76.2 76.3 76.2.76.3 76.4 76.3 76.3 76.6 76.5 76.3 76.1 76.3 76.3 76.2 76.0 75.9 76.3 29 75.9 76.0 75.9 75.9 75.9 75.8 75.8 75.8 75.9 75.9 75.9 75.8 75.7 75.6 75.6 75.7 75.8 75.8 76.0 76.2 76.1 76.0 76.1 76.1 75.9 30 76.0 76.0 75.9 75.8 75.8 75.9 75.6 75.6 75.6 75.5 75.2 75.2 75.1 75.1 75.2 75.3 75.2 75.2 75.2 75.5 75.6 75.6 75.6 75.6 75.5 31 75.6 75.6 75.6 75.6 75.6 75.6 75.6 75.5 75.4 75.3 75.3 75.3 75.3 75.1 74.9 74.8 74.7 74.6 74.8 75.0 75.1 75.6 75.7 75.7 75.3 MONTHLY AVERACE 73.3

^

ww TABLE 3. 2--8 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKKE SAMPLE STAY 10N No. 7 AUGUST 1982 I

D41LY DAY HOUR AVERAGE I

2 3

4 5

6 7

8 9

to 12 13J I4 15 16 17 18 19 20 21 22 23 34 1

75.6 75.6 75.6 75.5 75.4 75.4' 75.3 75.3 75.3 75.2 75.2. 75.2 75.2 75.2 75.1 74.9 74.9 74.9 74.9 74.8 74.8 74.8'74.8 74.9 75.2 2

-74.7 74.9 74.8 74.8 74.8. 74.8 74.9 74.9 74.9 74.9 75.0 75.1 75.1 75.3.75.4 75.6 75.5 75.6 75.8 75.7 75.7 76.2 76.3 76.1 75.3 3

76.0 76.0 75.9 75.9 75.8 75.8 75.7 75.7 75.6 -75.6 75.6 75.6 75.4 '75.4 75.3 75.1 '75.1 75.1 75.1 75.1 75.0 75.0 75.1 75.3 75.5 4

75.1 75.0 75.1 75.2 75.3 - 75.5 75.4 75.4 75.3 75.4 75.3 75.4 75.5 75.4 75.3 75.2 75.2 75.2 75.4 75.4 75.4 75.3 75.4 75.6 75.3 5

75.7 75.7 75.7 75.7 75.7 75.7 75.7 75.6 75.7 75.7 75.8 75.8 75.9 76.0 76.0 76.0 76.1 76.2 76.4 76.3 76.3 76.3 76.3 '76.2 75.9 6

76.2 76.2 76.1 76.1 76.5 76.1 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 75.9 75.8 75.8 75.7 75.7 75.7 75.8 75.7 75.7 75.9 I

7 75.6 75.8 75.8 75.8 75.6 75.9 75.8 75.8 75.8 75.9 75.8 76.0 76.0 76.0 75.9 75.8 75.8 75.9 76.1 76.3 76.3 76.3 76.3 76.3 76.0 8

76.1 76.1 76.3 76.4 76.5 76.5 76.5 76.5 76.5 76.4 76.4 76.4 76.3 76.1 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.0 76.2 9

76.1 76.1 76.1 76.2 76.3 76.3 76.4 76.4 76.5 76.5 76.6 76.5 76.5 76.5 76.5 76.4 76.5 76.5 76.5 76.6 76.7 77.0 77.1 77.1 76.5 to 77.0 76.8 76.6 76.5 76.5 76.6 76.5 76.6 76.6 76.6 76.6 76.6 76.5 76.6 76.8 76.9 76.9 77.1 77.2 77.4 77.3 77.2 77.0 76.9 76.8 g

as 11 76.7 76.5 76.4 76.3 76.2 75.0 75.9 75.9 75.8 75.8 75.7.75.8 75.7 75.6 75.5 75.5 75.5 75.4 75.6 75.7 75.9 75.9 75.7 75.6 75.9 bJ 12 75.5 75.4 75.3 75.3 75.2 75.1 75.0 74.9 74.9 74.8 74.7 74.5 74.2 74.0 74.0 74.1 74.3 74.3 74.4 74.4 74.3 74.5 74.2 74.3 74.6 I

13 74.4 74.4 74.3 74.2 74.1 74.1 74.0 74.0 73.9 73.8 73.7 73.6 73.5 73.7 74.1 74.0 74.2 74.3 74.4 74.3 74.3 74.2 74.1. 74. 0 74.1 -

14 73.9 73.8 73.8 73.6 73.5 73.6 73.3 73.2 73.1 73.0 73.0 72.9 72.9 72.9 72.8 72.8 72.7 72.8 72.7 72.7 72.7 72.8 72.7 72.7 73.1 15 72.8 72.8 72.8 72.8 72.8 72.9 72.8 72.8 72.9 72.9 72.9.72.9 72.9 72.9 72.9 72.9 72.9 72.8 72.7 72.7 72.7 72.6 72.6 72.7 72.8 -

16 72.7 72.7 72.7 72.6 72.5 72.6 72.6 72.6 72.7 72.7 72.7 72.7 72.8 72.8 72.8 72.9 72.8 72.7 72.7 72.9 72.8 72.7 72.9 73.1 72.7 17 73.1 73.0 73.2 73.1 73.3 73.3 S3.3 73.3'73.3 73.3 73.4 73.5 73.6 73.5 73.5 73.7 73.7 73.5 73.5 73.7 73.7 73.6 73.7 73.9 73.4 18 74. 0 73.9 73.9 73.8 73.8 73.7 73.7 73.7 73.6 73.6 73.7 73.6 73.5 '73.4 73.3 73.4 73.5 73.3 73.3 73.2 73.3 73.4 73.5 73.5 73.6 19 73.4 73.6 73.7 73.6 73.5 73.5 73.4 73.4 73.2 73.4 73.4 73.3 73.1 73.1 73.1 73.1 73.2 73.1 73.2 73.4 73.4 73.5 73.5 73.6 73.4 20 73.8 73.8 73.9 73.9 73.9 73.9 73.8 73.8 73.8.73.8 73.8 73.7 73.6 73.6 73.6 73.5 73.5 73.5 73.5 73.5 73.5 73.4 73.4 73.4 73.7 21 73.5 73.4 73.4 73.3 73.2 73.1 73.8 73.0 72.9 72.8 72.8 72.7 72.6 72.5 72.5 72.5 72.5 72.4 72.4 72.3 72.1 72.1 72.0 72.0 72.7 22 71.9 71.8 71.7 71.7 71.7 71.6 71.6 71.5 71.5 71.6 71.6 71.7 71.7 71.8 71.7 71.6 71.4 71.3 71.2 71.3 71.3 71.4 71.4 71.4 71.6 23 71.5 71.4 71.3 71.2 71.1 71.1 71.0 71.0 71.0 71.1 71.1 71.0 70.9 70.8 70.6 70.4 70.2 70.1 69.9 69.8 69.6 69.5 69.5 69.5 70.6 f

24 69.6 69.6 69.5 69.5 69.4 69.5 69.5 69.6 69.5 69.6 69.7 69.7 69.5 69.8 70.1 70.3 70.7 70.9 70.9 70.8 71.0 70.9 70.7 70.7 70.0 25 71.0 71.1 71.1 71.1 71.1 71.1 70.9 10.8 70.7 70.6 70.5 70.3 70.3'-70.2 70.1 70.1 70.1 70.1 70.1 70.0 70.0 69.9 69.9 69.8 70.5 l

26 69.8 69.3 69.8 69.8 69.7 69.6 69.5 69.5 69.5 69.4 69.4 69.3 69.3 69.5 70.0 70.0 70.2 70.2 70.3 70.2-70.1 70.2 70.3 70.5 69.8 l

27 70.4 70.6 70.6 70.5 70.4 70.2 70.1 69.9 69.8 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.8 69.9 70.0 70.3 70.2 70.1 70.2.

70.0 28 70.1 70.1 70.0 69.9 69.9 69.9 69.8 69.9 69.7 69.7 69.7 69.6.69.6 69.5 69.2 69.1 69.1 69.1 69.1 69.1 69.0 69.3 69.4 69.5 69.6 29 69.4 69.3 69.2 69.0. 69.0 68.8 68.8 68.7 68.7 68.6 68.6.68.7 68.7 68.8 68.7 68.5 68.7 68.8 68.8 68.7 68.9 69.0 69.0 68.9 68.8 30 68.8 68.8 68.7 68.6 68.6 68.5 68.4 68.4 68.4 68.4 68.5 68.6 68.6 68.5 68.4 68.3 68.4 68.4 68.3 68.4 68.4 68.5 68.6 68.5 68.5 31 68.5 68.5 68.4 68.4 68.3 68.3 68.2 68.3 68.2 68.1 67.9 67.7 67.6 67.5 67.5 67.4 67.3 67.3 67.3 67.3 67.5 67.7 68.1 68.0 67.9

- MONTHLY AVERACE 73.1 l

L________

-- ~ -

TABLE 3.2-9 AVERACE HOURLY TDIPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 SEPTEMBER 1982 DA!LY DAY HOUR AVERACE I

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

67.9 68.0 68.0 68.0 68.0 68.0 68.0 67.9 67.9 67.9 67.9 67.9 67.8 67.8 67.7 67.5 67.5 67.4 67.4 67.4 67.4 67.4 67.4 67.3 67.7 2

67.3 67.3 67.3 67.3 67.2 67.1 67.1 67.1 67.0 66.9 66.7 66.5 66.5 66.6 66.6 66.6 66.7 66.8 66.8 66.9 66.9 67.0 67.0 67.0 66.9 3

67.0 67.0 67.0 67.0 67.1 67.0 67.0 67.1 67.0 67.0 67.1 67.0 66.9 67.1 67.4 67.4 67.7 68.3 68.3 68.5 68.4 68.2 68.2 68.2 67.5 4

68.1 68.1 68.0 68.0 67.9 67.9 67.9 67.8 67.9 67.9 67.9 67.9 67.9 68.0 68.0 68.1 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.1 68.0 5

68.0 68.0 67.9 67.9 67.8 67.8 67.7 67.6 67.6 67.5 67.5 67.4 67.4 67.4 67.3 67.2 67.1 67.0 67.1 67.1 67.1 67.1 67.2 67.4 67.5 6

67.4 67.3 67.4 67.5 67.6 67.7 67.6 67.7 67.8 67.8 67.6 67.8 67.9 68.0 67.9 67.9 67.9 67.9 67.9 67.9 67.9 68.0 68.0 67.9 67.8 7

67.9 67.8 67.6 67.8 68.2 68.2 68.1 68.1 68.0 68.1 68.1 68.0 67.9 67.8 67.8 67.6 67.5 67.8 67.9 67.8 67.6 67.5 67.7 67.7 67.9 8

67.7 67.8 67.8 67.7 67.7 67.7 67.7 67.8 67.7 67.6 67.5 67.4 67.4 67.3 67.1 66.9 66.9 66.9 67.1 67.0 66.9 66.9 66.9 67.0 67.4 9

67.0 67.0 67.1 67.0 67.0 67.0 67.0 66.9 66.9 66.9 67.0 66.9 66.9 66.8 66.8 65.8 66.8 66.9 66.9 66.9 66.9 66.9 67.0 67.0 66.9 10 67.2 67.1 67.1 67.1 67.3 67.3 67.3 67.3 67.5 67.5 67.5 67.5 67.4 67.3 67.3 67.2 67.2 67.3 67.3 67.5 67.5 67.3 67.5 67.3 67.3 y

=

11 67.5 67.6 67.5 67.6 67.6 67.6 67.8 67.8 67.8 67.7 67.7 67.8 67.7 67.7 67.7 67.6 67.5 67.4 67.4 67.3 67.3 67.3 67.3 67.3 66%

12 67.3 67.3 67.2 67.3 67.3 67.2 67.3 67.3 67.3 67.2 67.3. 67.3 67.2 67.3 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.4 67.3 I

13 67.3 67.3 67.4 67.4 67.4 67.4 67.4 67.4 67.5 67.5 67.5 67.6 67.6 67.9 67.8 67.8 67.9 67.9 68.0 68.2 68.3 68.5 68.7 68.8 67.8 14 68.6 68.3 68.5 68.8 68.9 68.9 68.9 68.9 68.9 68.9 68.9 68.9 69.0 69.0 69.1 69.1 69.! 69.1 69.1 69.I 69.2 69.2 69.2 69.2 69.0 15 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.3 69.3 69.3 69.3 69.2 69.2 69.2 69.2 69.2 69.1 69.1 69.2 69.2 69.2 69.2 69.2 16 69.3 69.3 69.4 69.3 69.3 69.2 69.2 69.2 69.2 69.1 69.2 69.1 69.1 69.1 69.1 69.1 61.0 69.1 - 69.0 69.0 69.0 69.0 68.9 68.9 69.1 17 68.9 68.9 68.8 68.9 68.8 68.8 68.8 68.7 68.7 68.8 68.8 68.9 69.1 69.2 69.4 69.5 69.5 69.5 69.4 69.3 69.2 69.2 69.1 69.1 69.1 18 69.0 69.0 68.9 68.8 68.7 68.6 68.6 68.5 68.5 68.4 68.4 68.3 68.1 68.0 67.9 68.0 68.1 68.1 68.0 67.9 67.7 67.5 67.3 67.0 68.2 19 66.9 66.8 66.7 66.5 66.4 66.3 66.2 66.2 66.3 66.3 66.4 66.5 66.6 66.6 66.6 66.6 66.6 66.8 66.9 67.1 67.1 67.1 67.0 66.7 66.6 20 66.6 66.5 66.4 66.3 66.1 65.9 65.7 65.6 65.5 65.6 65.6 65.7 65.6 65.5 65.6 65.5 65.6 65.7 65.8 65.7 65.9 65.8 65.8 65.8 65.8 21 65.8 65.7 65.7 65.7 65.6 65.6 65.5 65.5 65.5 65.6 65.6 65.5 65.4 65.4 65.2 65.2 65.0 64.9 65.0 65.0 65.0 64.9 65.0 65.1

' 65.4 22 65.1 65.1 65.0 65.0 65.0 65.0 65.0 65.0 65.0 64.9 64.9 64.9 64.8 64.7 64.6 64.5 64.4 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.8 23 64.5 64.5 64.5 64.5 64.5 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.3 64.2 64.2 64.1 64.0 64.0 64.0 64.1 64.0 64.0 64.0 64.0 64.3 24 63.9 63.9 63.8 63.8 63.8 63.7 63.8 63.7 63.7 63.7 63.7 63.6 63.5 63.4 63.4 63.4 63.4 63.3 63.3 63.2 63.2 63.4 63.6 63.7 63.6 25 63.7 63.6 63.6 63.5 63.5 63.4 63.4 63.4 63.3 63.3 63.4 63.4 63.5 63.4 63.4 63.4 63.4 63 4 63.4 63.3 63.3 63.2 63.2 63.2 63.4 26 63.2 63.2 63.2 63.2 63.2 63.4 63.4 63.4 63.4 63.3 63.4 63.4 63.4 63.4 63.3 63.3 63.3 63.2 63.2 63.2 63.1 63.1 63.1 63.0 63.3 27 63.1 63.1 63.1 63.1 63.2 63.2 63.2 63.3 63.3 63.2 63.1 63.1 63.1 63.1 63.0 62.8 62.7 62.7 62.7 62.8 62.8 62.9 62.9 62.9 63.0 28 62.9 62.9 62.9 62.9 62.9 62.8 62.8 62.8 62.8 62.9 62.9 62.9 62.8.62.8 62.9 63.0 63.1 63.1 63.1 63.0 63.0 62.9 62.8 62.8 62.9 29 62.7 62.6 62.6 62.6 62.5 62.5 62.5 62.4 62.5 62.5 62.5 62.6 62.6 62.7 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.8 62.7 62.7 30 62.7 62.7 62.6 62.6 62.6 62.6 62.5 62.5 62.5 62.4 52.4 62.3.62.3 62.3 62.3 62.4 62.5 62.6 t2.6 62.7 62.7 62.7 62.7 62.7 62.5 MONTHLY AVERACE 66.3

i TABLE 3.2-10 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION No. 7 OCTOBER 1982 DAILY DAY HOUR AVERAGE' I

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17.. 18 19 20 21 22 23 24 I

62.7 62.7 62.6 62.6 62.6 62.6 62.6 62.6 62.6 62.5 ~62.5. 62.4 62.5 62.5 62.6 62.9 63.1.63.2 63.2 63.2 63.3 63.2 63.1 c3.1 "

62.8 2

62.9 62.9 62.8. 62.8 62.7 62.6 62.5 62.4 62.3 62.3 62.4 62.4 62.4 62.6 62.6 62.6 62.6 62.5 62.5 62.4 62.4 62.3 62.3 '62.3 62.5:

3 62.3 62.2 62.2 62.1 62.2 62.2 62.1 62.1 62.I 62.1 62.1 62.1 62.2 62.1 62.1 62.I 62.1 62.1 62.0 62.1 62.1 62.1 62.1 62.3 62.1 4

62.1 62.2 62.3 62.2 62.2 62.2 62.2 62.1 62.1 62.1 62.0 62.0 61.8 62.0 62.1. 62.5 62.6 62.5 62.5 62.6 62.7 62.7-62.7 62.7 62.3' 5

62.7 62.6 62.6 62.5 62.5 62.4 62.3 62.3.62.3 62.3 62.4 62.4 -62.3 62.1 62.1 62.2 62.3 62.3 62.4 62.4 62.5 62.5 '62.5 62.4 62.4 6

62.5 62.6 62.7 62.7 62.8 62.7 62.6 62.7 62.7 62.7 62.6 62.6 62.4 62.2 62.1 62.1 62.1 62.1 62.0 62.0 62.0 62.1 62.1 62.1 62.4 7

62.2 62.2 62.2 62.1 62.1 62.0 62.0 62.0 61.9 61.9 62.1 62.1 62.2 62.1 62.0 61.9 61.8 61.7 61.9 61.7.61.7 61.7 61.6 61.6 61.9 8. 61.7 61.8 61.7 61.7 61.8 61.8 61.7 61.7.61.7 61.7 61.7 61.7 61.7 61.6 61.5 61.5 61.6 61.6 61.6 61.6 61.6 61.5 61.3 61.1 61.6 9

61.0 60.9 60.9 61.0 61.1 61.1 61.0 61.0 60.9 60.9 61.0 61.1 61.1 61.1 61.1 61.0 60.9 60.9 60.9.60.8 60.7 60.5 60.4 60.4 60.9 l

10 60.3 60.3 60.2 60.2 60.2 60.2 60.1 60.0 60.0 60.0 60.1 60.1 60.1 60.2 60.2 60.2 60.1 59.9 59.9 60.0 59.9 59.7 59.7 59.6 60.0 -

A 11 59.6 59.5 59.4 59.2 59.2 59.1 59.0 59.0 58.9 58.9 58.9 58.9 58.7 58.6 58.5 58.1 58.1 58.0 $8.1 58.3 58.6 58.4 58.4 58.4 58.7

[

12 58.4 58.3 58.2 58.2 58.2 58.2 58.2 58.2 58.2 58.2 58.1 58.0 '57.9 57.7 57.7 57.8 57.9 58.0 58.1 58.1. 58.1 57.9.57.9.57.8 58.1 13 57.8 57.8 57.7 57.7 57.7 57.7 57.7 57.7 57.7 57.7 57.8 57.7 57.7 57.6 57.5 57.5 57.7 57.8 57.8 57.5 57.5 57.6.57.6.57.6 37.7 ~

14 57.6 57.6 57.6 57.6 57.5 57.5 57.5 57.5 57.5 57.4 57.5 57.4 57.3 57.3 57.3 57.4 57.5 57.5 57.5 57.5 57.5 57.4 57.4 57.4 57.5 15 57.3 57.3 57.4 57.4 57.3 57.3 57.4 57.4 57.4 57.3 57.4 57.3 57.3 57.2 57.2 57.1 57.0 %.9 %.8 %.8 M.8 %.8 %.8 %.9 57.2 16 56.8 %.7 56.7

%. 8 56.7 56.6 56.6 56.7 %.6 56.6 ~ %.7 %.6 %. 6 56.6 %.6 %.5 %.5 %.6 %.4 56.4 %.3 - M.3 M.2 M.3 SL6-17 56.2 56.2 56.1. %.0 55.9 55.7 55.5 55.5 55.6 55.5 55.4 55.4 55.3 55.3 55.4 55.3 55.2 55.1 55.0 54.9 '54.7 54.6 %.6 54.4 55~4 18 54.4 54.4 54.3 54.3 54.3 54.3 54.4 54.4 54.3 54.3 54.3.54.1 54.0 53.9 53.9 54.0 54.I 54.0 54.1 54.1 54.1 53.9 53.9 53.8 54.2 l

19 53.8 53.8 53.7 53.6 53.6 53.5 53.5 53.6 53.6 53.6 53.7 - 53.7 53.6 53.9 54.1 54.0 53.9 53.8 53.7 53.6 53.5 53.5 53.5 53.5 53.1 20 53.4 53.5 53.4 53.3 53.3 53.3 53.3 53.3 53.2 53.2 53.1 52.9 52.8 52.7 52.8 52.9 53.0 53.1 53.2.53.1 53.0 52.9 53.0 52.9 53.1 21 52.9 52.9 52.9 52.8 52.8 52.8 52.8 52.8 52.7.52.7 52.8 52.8 52.9 53.1 53.3 -53.5 53.6 53.6 53.5 53.5 53.4 53.4 53.3. 53.2 53.1 22 53.1 53.1 53.0 53.0 52.9 52.9 52.8 52.8 52.7 52.7 52.5 52.4 52.4 52.4 52.4 52.6 52.7 52.8 52.8 52.8 52.8 52.7 52.7 52.6 52.7 j

23 52.6 52.6 52.5 52.4 52.2 52.1 52.1 52.1 52.0 52.0 52.1,52.0 52.1 52.3 52.3 52.3 52.2 52.1 52.0 52.0 $1.9 51.9 51.9 51.8 52.1 1

24 51.8 51.7 51.7 51.6 51.5 51.5 51.4 51.4 51.4 51.5-51.5 51.6 51.6 51.8 51.6 51.6 51.6 51.6 51.6 51.6 51.6 51.5 51.5'51.4 -

51.6 25 51.3 51.2 51.2 51.1 51.0 50.9 50.8 50.8 50.7 50.7 50.7 50.8 50.7 50.6 50.5 50.3 50.3 50.2 50.1 50.1 50.0 49.9 49.8 49.8-50.6 26 49.8 49.7 49.7 49.6 49.6 49.6 49.5 49.5 49.5 49.3 49.3 49.3 49.2 49.0 49.0 49.0 49.1 49.2 49.0 49.0 49.0 49.0 48.9 -48.9 49.3 27 48.8 48.8 48.7. 48.6 48.6 48.5 48.5 48.5 48.4 48.5 48.7 48.8 48.9 49.0 48.9 48.8 48.8 48.7 48.7 48.7 48.8 48.8 48.7 48.6 48.7 28 48.7 48.7 48.8 48.8 48.7 48.6 48.6 48.6 48.6'48.6 48.6 48.8 48.8 48.8 48.8 48.7 '48.6 48.6 48.6 48.6 48.6 48.6 48.6 48.7 48.7 29 48.7 48.7 48.7 48.7 48.6 48.7 48.8 48.8 48.9 48.9.48.8 48.8 48.9 48.9 48.9 48.9 48.9 A8.9 48.7 48.8 48.7 48.7 48.6 48.8 48.8 30 48.7 48.7 48.7 48.7 48.7 48.9 48.8 48.7 48.8 48.8 48.8 48.8 48.9 48.9 48.9 48.9 48.9 48.9 48.9 48.9 48.9 49.0 49.2 49.1 48.9 31 49.1 49.2 49.1 49.1 49.1 49.0 49.1 49.1 49.2 49.3 49.4 49.4 49.3 49.3 49.3 49.3 49.3 49.3 49.4 49.5 49.6 49.7 49.8 49.8 49.3 I

' MONTHLY AVERACE

'55.9 1

1 g __

TABLE 3.2 AVERAGE HOURLY TEMPERATURE lN *F VERMONT YANKEE SAMPLE STATION NO. 7 NOVEMBER 1982 D41LY

' D4Y HOUR AVERACE I

2 3

.4-5' 6

7 8

9 10 11 12 13 ' 14 15 16 17 18 ~ 19 20 21 22 23 ~ 24 1

49.9 49.9 49.9. 49.9 49.9 49.9 49.9 49.9 49.9. 49.8, 49.9 50.0 50.0 50.1 50.1 50.4 50.3 50.3 50.4 50.6 50.6 50.6 50.6,50.6 50.1 2

50.6 50.5 50.6 50.6 50.6 50.6 50.5 50.*i 50.5 50.5 50.4 50.3 50.3 50.3 50.3 50.4 50.5 50.7 50.9 50.9 51.0.51.0 51.0 51.0 50.6 3

50.9 50.9 50.9 50.9 50.9 50.9 50.8 50.7 50.7 50.6 50.6 50.7 50.9 50.9 50.8 50.8 50.8 50.9 51.0' 51.2 51.3 51.2 51.2 51.1 s 50.9 -

4 51.0 51.0 51.0 50.9 50.9 50.9 50.9 50.9 50.9 51.0 51.0 51.1 51.3 51.5 51.6 51.8 51.9 52.0 52.1 52.3 52.4 52.5 52.7 52.7 51.5 5

52.9 52.9 53.0 53.0 53.0 53.0 53.0 53.0 53.0 53.1 53.0 52.9 52.9 53.0 53.2 53.2 53.3 53.3 53.2-53.2 53.0 53.0 53.0 52.9 53.0 6

52.8 52.7 52.7 52.7 52.6 52.5 52.6 52.6 52.6 52.6 52.5 52.5 52.6 52.6 52.6 52.6 52.6 52.6 52.5 52.4 52.4 52.4 52.3 52.2

' 52.6 -

7 52.0 51.9 51.9.51.8 51.6 51.5 51.4 51.4 51.5 51.6 51.7 51.8 51.8 51.8 51.7 51.6 51.4 51.1 50.9 50.7 50.6 50.4 50.1 49.9 51.3 8

49.6 49.2 49.2 48.9 48.7 48.5 48.4 48.3 48.3 48.3 48.4 48.5 48.5 48.5

=8.6 48.6 48.6 48.6 48.6 48.6 48.6 48.7 48.7 48.7 48.6 9

48.7 48.7. 48.7 48.7 48.7 48.7 48.6 48.6 48.6 48.6 48.7 48.8 48.9 49.1 49.1 49.2 49.1 49.0 48.9 48.9 48.8 48.8 48.8 48.8 48.8 g

10 48.8 48.8 48.7 48.6 48.6 48.5.48.5 48.4 48.4 48.5 48.4 48.5 48.7 48.8 48.9 48.9 48.8 48.7 48.5 48.3 48.2 48.1-48.1 48.0 48.5

.c.

11 48.0 47.9 47.8 47.7 47.7 47.6 47.6 47.5 47.5 47.5 47.4 47.1 47.0 47.0 47.0 47.0 47.0 46.9 46.7 46.6 46.5 46.5 46.6 46.7 _

47.2 C5 12 46.7 46.8 46.8 46.7 46.7 46.7 46.8 46.7 46.8 46.8 46.8 46.9 47.0 47.1 47.2 -47.1 47.0 46.9 46.9 46.9 46.9 46.8 46.8 46.8 46.9 13 46.8 46.8 46.8 46.8 46.8 46.8 46.8 46.8 46.9 46.9 47.0 47.0 47.0 47.0 47.0 47.0 46.9 46.9 46.8 46.8 46.8 46.8 46.8 46.8 46.9 14 46.8 46.7 46.6 46.5. 46.4 46.3.46.2 46.1 46.0 46.0 46.0 46.0 46.0 46.0 46.0 45.9 45.8 45.7 45.6 45.6 45.5 45.4 45.4 45.3 46.0 15 45.3 45.3 45.2 45.3 45.3 45.4 45.5 45.5 45.7 45.9 46.0 46.2 46.3, 46.4 46.4 46.4 46.4 46.3 46.2 46.1 45.9 45.8 45.8 45.6 45.8 16 45.4 45.3 45.1 45.1 44.9 44.9 44.8 44.7 44.5 44.4 44.1 44.0 44.1 44.0 43.9 43.9 43.8 43.8 43.7 43.7 43.5 43.6 43.4 43.3 44.2 17 43.3 43.2 43.2 43.2 43.2 43.1 43.0 42.9 42.8 42.8 42.6 42.7 42.8 42.8 42.9 42.8 42.7 42.7 42.6 42.6 42.6 42.8 42.8 42.8 42.9 18 42.8 42.7 42.6 42.6 42.7 42.6 42.6 42.6 42.6 42.6 42.6 42.7 42.7 42.7 42.6 42.5 42.5 42.3 42.2 42.1 41.9 42.0 41.9 41.9 42.5 i

19 41.9 41.9 41.9 41.9 41.9 41.8 41.8 41.8 41.9, 41.9 41.9 42.0 42.2 42.3 42.4 42.3 42.1 41.9 41.9 41.9 41.8 41.8 41.8 41.8 42.0 20 41.8 41.8 41.8 41.8 41.8 41.8 41.9 41.9.41.9 42.0 42.1 42.2 42.3 42.3 42.3 42.4 42.4 42.4 42.4 42.2 42.1 42.0 41.9 41.9 42.1 21 41.9 41.9 41.8 41.8 41.8 41.8 41.8.41.8 41.8 41.8 41.8 41.8 41.8 41.9 41.9 42.0 42.0 42.1 42.2 42.3 42.3 42.4 42.3 42.4 42.0-l 22 42.4 42.4 42.4 42.4 42.4 42.4 42.5 42.5 42.5 42.5 42.6 42.6 42.7 42.7 42.7 42.8 42.6 42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.5 23 42.3 42.4 42.3 42.3 42.3 42.3 42.3 42.4 42.3 :42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.3 42.3 42.4. 42.4 42.4 42.4 42.5 42.5 42.4 24 42.5 42.5 42.5 42.5 42.5 42.5 42.5 42.4 42.4 42.4 42.4 42.4 42.5 42.5 42.6 42.6 42.6 42.6 42.7 42.7 42.7 42.7 42.6 42.6 42.5 2

25 42.7 42.8 43.0 42.9 42.9 42.8 42.7 42.7 42.7 42.6 42.6 42.7 42.8.42.9 43.0 43.0 43.0 42.8 42.7 42.5 42.4 42.3 42.3 42.2 42.7 26 42.1 42.1 42.0 41.9 41.9 41.8 41.8 41.7 41.6. 41.5 I

27 41.4 41.3 41.3 41.3 41.2 41.1 41.1 40.8 40.8 40.5 ~41.5 41.4 41.5 41.6 41.6 41.5 41.4 41.4 41.5 41.5 41.5 41.5 41.5 41.5 41.6.

40.4 40.3 40.4 40.6 40.6 40.6 40.6 40.4 40.2 40.1 40.0 39.9 39.8 39.7 40.6 l

28 39.6 39.6 39.5 39.3 39.3 39.4 39.2 39.2 39.I '39.2 39.2 39.2 39.1 39.0 38.9 38.9 38.6 38.4 38.5 38.4 38.4 38.3 38.3 38.3 39.0 f

29 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.3 38.4 38.4 38.4 38.5 38.5 38.5 38.6 38.7 38.8 38.8 38.8 38.8 38.4 j

30 38.8 38.9 38.9 38.9 38.9 38.9 38.9 38.9 39.0 39.0 39.1 39.2 39.2 39.3 39.4,39.4 39.3 39.3 39.3 39.3 39.4 39.4 39.5 39.5 39.2 1

MONTHLY AVERACE 45.4 I

I

TABLE 3.2-12 AVERACE HOURLY TEMPERATURE IN *F VERMONT YANKEE SAMPLE STATION NO. 7 DECEMBER 1982 DAY DAILY HOUR AVERAGE I

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

39.5 39.6 39.5 39.6 39.5 39.5 39.6 39.5 39.5 39.5 39.5 39.4 39.4 39.3 39.2 39.2 39.1 39.1 39.1 39.2 39.2 39.3 39.3 39.4 39.4 2

39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.3 39.3 39.4 39.4 39.5 39.6 39.6 39.7 39.7 39.8 39.8 39.9 40.0 40.1 40.1 39.6 3

40.1 40.1 40.1 40.1 40.1 40.0 40.0 40.0 39.9 40.0 39.9 40.0 40.0 40.0 40.1 40.2 40.2 40.3 40.4 40.4 40.5 40.5 40.5 40.6 40.2 4

40.6 40.6 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.6 40.7 40.9 41.0 41.1 41.2 41.3 41.4 41.4 41.4 41.5 41.5 41.5 41.5 40.9 5

41.4 41.3 41.2 41.1 41.0 41.0 41.0 40.9 40.9 40.9 40.9 40.9 40.8 40.8 40.7 40.8 40.8 40.9 41.0 41.0 41.0 41.0 41.0 41.0 41.0 6

41.0 41.0 40.9 40.9 40.9 40.9 40.8 40.9 41.0 41.0 41.0 41.1 41.2 41.3 41.5 41.5 41.6 41.7 41.8 41.8 41.9 42.0 42.0 42.1 41.3 7

42.1 42.1 42.1 42.1 42.1 42.1 42.1 42.0 42.0 42.0 42.0 42.0 42.1 42.2 42.2 42.3 42.3 42.4 42.4 42.4 42.4 42.4 42.3 42.3 42.2 8

42.2 42.1 42.1 42.0 42.0 41.9 41.7 41.6 41.4 41.4 41.3 41.3 41.3 41.3 41.3 41.3 41.3 41.2 41.2 41.2 41.2 41.2 41.2 41.2 41.5 9

41.1 41.1 41.1 41.1 41.1 41.1 41.1 41.1 41.0 40.9 40.9 40.8 40.7 40.6 40.6 40.5 40.3 40.1 40.0 39.9 39.8 39.9 40.0 39.9 40.6 10 39.9 39.8 39.8 39.6 39.5 39.6 39.7 39.6 39.3 39.1 39.0 39.0 38.9 38.9 38.8 38.7 38.7 38.7 38.6 38.4 38.3 38.2 38.2 38.1 39.0 43 38.1 38.1 38.1 38.0 38.0 38.0 38.1 38.0 38.0 37.9 37.9 37.8 37.8 37.8 37.8 37.7 37.7 37.6 37.5 37.4 37.3 37.3 37.2 37.2 37.8

-J 12 37.1 37.2 37.1 36.9 37.0 36.9 36.8 36.7 36.6 36.4 36.3 36.3 36.2 36.2 36.1 36.0 36.0 36.0 36.0 36.0 35.9 35.9 35.9 35.8 36.4 8

13 35.8 35.6 35.6 35.6 35.5 35.4 35.3 35.3 35.2 35.2 35.1 35.0 34.9 34.9 34.9 35.0 35.0 35.1 35.1 35.2 35.0 34.9 34.8 34.7 35.2 14 34.6 34.5 34.3 34.3 34.2 34.3 34.3 34.2 14.2 34.2 34.2 34.1 34.1 34.0 34.0 33.9 33.9 33.9 33.8 33.7 33.6 33.5 33.6 33.5 34.0 15 33.5 33.4 33.5 33.5 33.5 33.5 33.6 33.5 33.6 33.6 33.6 33.5 33.5 33.5 33.4 33.3 33.3 33.2 33.1 33.1 33.1 33.1 33.0 33.0 33.4 16 32.9 32.9 32.9 32.9 32.8 32.9 32.9 33.0 33.0 32.9 33.0 33.1 33.1 33.2 33.2 33.3 33.3 33.3 33.3 33.3 33.3 33.4 33.4 33.5 33.1 11 33.6 33.6 33.7 33.7 33.7 33.6 33.6 33.5 33.5 33.5 33.4 33.4 33.5 33.5 33.5 33.5 33.4 33.4 33.3 33.2 32.9 32.8 32.6 32.5 33.4 18 32.4 32.3 32.2 32.2 32.1 32.1 32.1 32.1 32.1 32.1 32.1 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 19 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 32.2 32.2 32.2 32.2 20 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 21 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 22 32.3 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.3 32.3 32.3 32.3 23 32.3 32.3 32.2 32.3 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.2 32.2 32.2 32.2 32.2 32.2 24 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 25 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.2 26 32.3 32.3 32.3 32.3 32.2 32.3 32.3 32.3 32.3 32.4 32.4 32.4 32.5 32.6 32.7 32.7 32.7 32.7 32.7 32.6 32.6 32.6 32.5 32.5 32.5 27 32.4 32.4 32.4 32.4 32.4 32.4 32.5 32.5 32.5 32.5 32.6 32.7 32.8 32.8 32.9 32.8 32.8 32.9 32.8 32.9 32.9 32.9 32.9 32.9 32.7 28 33.0 33.0 32.9 32.9 32.7 32.7 32.6 32.6 32.6. 32.6 32.6 32.6 32.6 32.7 32.7 32.9 33.0 33.1 33.2 33.3 33.4 33.5 33.5 33.7 32.9 29 33.7 33.8 33.8 33.8 33.7 33.7 33.6 33.5 33.5 33.4 33.5 33.5 33.7 33.7 33.8 33.8 33.8 33.9 33.9 33.9 33.9 34.0 34.1 14.1 33.8 30 14.2 34.1 14.1 34.0 33.8 33.7 33.6 33.5 33.4 33.4 33.4 33.4 33.5 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.6 33.7 31 33.7 33.6 33.6 33.5 33.5 33.5 33.5 33.6 33.6 33.7 33.8 34.0 34.1 34.2 14.3 34.4 34.4 34.4 34.4 34.4 34.3 34.4 34.4 34.4 34.0 MONTHLY AVERAGE 35.7

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J TABLE 3.5-1 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F s BETWEEN MONITOR 3 AND MONITOR 7 JANUARY 1982 i DAY HOUR 1 2 3 '4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ' 21 22 23 24 1 1.6 I.7 1.9 2.6 3.2 4.0 5.9 6.1 6.4 6.7 7.0 7.3 7.9 6.7 5.4 4.0 2.8 2.3 2.1 2.0 2.0 1.9 2.0 2.0 2 1.8 1.5 1.6 2.0 2.7 3.5 5.1 6.1 7.0 6.2 4.8 3.5 2.8 2.4 2.3 2.1 1.9 1.9 2.1 2.1 2.1 2.2 2.0 2.0 3 2.0 2.0 4.4 5.7 5.8 5.8 5.9 6.1 6.1 6.2 6.1 7.3 7.0 5.8 5.7 5.7 5.7 5.6 6.1 6.1 4.8 3.3 2.5 2.0 4 1.9 2.0 1.9 1.9 2.0 1.8 1.6 1.9 4.3 5.6 4.3 2.9 2.4 2.1 2.1 2.2 2.4 3.6 2.6 2.2 2.1 2.1 2.0 - 2.0 5 L.9 2.0 2.4 2.6 2.0 1.8 1.5 2.4 2.4 2.3 2.3 2.3 2.2 2.2 2.1 2.2 2.1 2.0 2.0 1.9 1.9 1.9 1.9 1.9 6 2.0 1.9 1.9 1.9 1.9 1.9. 1. 9 1.9 1.8 1.9 2.0 2.0 1.9 1.9 1.9 2.0 2.0 2.0 1.9 2.0 1.9 1.9 l.9 1.9 7 1.9 2.0 1.9 I.9 2.0 2.0 2.0 2.0 2.0 1.9 1.9 1.9 1.9 1.9 1.9 2.0 2.0 .t.9 1.9 1.9 1.9 1.8 1.9 1.8 8 1.8 1.9 L.8 1.8 1.7 1.7 1.7 1.7 1.7 1.6 1.7 1.8 1.9 2.2 2.4 2.5 2.5 2.3 2.0 1.9 2.0 1.7 1.7 1.7 9 1.7 1.8 1.9 2.0 2.1 2.1 2.2 2.2 2.2 2.2 1.9 1.9 2.2 2.4 2.5 2.6 2.6 2.6 2.2 2.0 1.8 1.8 1.8 1.7 10 1.8 1.8 1.9 1.7 2.1 2.3 2.1 2.1 2.2 2.6 2.9 2.8 2.8 2.9 2.8 3.0 4.2 3.2 2.3 !.9 1.7 1.7 1.7 1.5 11 1.4 1.3 1.4 1.4 1.7 1.9 2.3 5.4 6.1 5.3 1.7 2.7 2.2 2.0 1.9 1.8 1.8 1.7 1.7 1.7 1.7 1.7 1.7 1.6 g Ln 12 1.8 1.6 1.5 1.6 1.8 2.3 5.3 6.0 4.5 2.9 2.2 2.0 1.9 1.9 1.9 1.9 1.9 1.9 1.7 1.7 1.7 1.8 1.7 1.6 ch 13 1.5 1.4 1.7 2.7 3.6 4.1 5.4 6.3 6.5 5.3 3.9 2.8 2.4 2.2 2.1 2.0 1.9 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1 14 1.9 2.0 2.1 2.2 3.9 5.8 5.8 - 5.5 4.1 2.9 2.3 2.1 2.0 1.7 1.5 1.5 1.9 2.0 1.8 1.8 1.7 1.8 1.8 1.8 15 2.2 2.3 2.4 2.4 2.5 3.0 3.1 5.0 3.8 2.7 2.1 2.0 2.0 2.0 1.9 2.0 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1.8 16 2.0 2.4 2.5 2.5 2.4 2.5 2.5 2.7 5.6 5.9 5.9 4.7 3.4 2.4 2.2 2.2 4.4 3.6 2.8 2.1 2.0 1.9 1.8 1.8 17 1.8 1.9 1.8 1.7 1.8 1.9 2.0 2.2 4.0 5.9 6.2 5.9 5.6 4.9 4.4 4.1 5.2 3.8 2.7 2.2 1.9 1.8 1.8 1.7 3, 18 1.7 1.7 1.7 1.8 2.0 2.2 3.4 5.8 5.7 4.2 2.9 2.2 2.0 2.0 1.9 1.9 1.8 1.7 l.7 1.6 1.6 1.6 1.8 1.7 19 1.7 1.7 1.6 1.6 1.9 2.3 3.0 5.8 6.2 5.0 3.4 2.5 2.1 1.8 1.6 1.6 1.5 1.4 1.4 1.5 1.8 1.8 1.8 1.8 20 1.8 1.8 1.6 1.7 2.0 2.4 4.7 6.2 5.6 4.0 2.7 2.2 2.1 2.0 1.9 1.9 1.9 1.8 1.8 1.8 !.8 1.8 1.8 1.7 21 1.8 1.7 1.6 1.7 1.7 2.1 4.9 6.0. 5.5 3.8 2.9 2.3 2.1 2.0 1.9 1.9 1.9 3.2 3.8 3.0 2.3 2.0 1.8 1.8 22 1.7 1.7 1.5 1.5 1.6 1.7 2.1 4.9 6.2 5.6 4.1 3.0 2.4 2.1 2.0 2.0 1.9 1.9 1.9 1.8 1.7 1.6 1.7 1.7 23 1.8 1.8 1.8 1.9 2.1 2.4 2.9 4.1 5.6 5.9 6.2 6.0 5.0 3.4 2.5 2.1 2.0 1.9 1.8 1.8 1.9 1.9 1.8 1.8 24 1.8 1.8 1.7 1.7 2.3 2.1 3.7 4.2 5.2 6.0 5.9 6.2 6.7 6.8 6.9 7.2 7.2 7.7 6.5 5.4 4.1 2.9 2.5 2.3 25 2.2 2.2 2.4 3.1 3.5 4.4 5.5 6.2 6.4 5.3 4.0 3.0 2.6 2.4 2.2 2.1 2.0 1.9 1.9 1.8 1.8 1.8 1.8 1.7 26 1.5 1.4 1.3 1.3 1.4 1.6 3.5 1.5 0.7 0.4 0.4 0.3 0.3 0.4 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.2 27 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.5 0.6 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.1 0.1 0.0 0.1 0.0 i 28 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.3 0.4 0.3 0.2 0.4 0.5 0.5 0.5 1.0 0.7 0.6 0.6 0.6 0.6 0.6 0.6 29 0.6 0.7 1.1 1.5 1.9 2.3 2.8 5.2 4.8 3.0 1.8 1.4 1.3 1.3 1.5 1.6 2.6 2.9 1.9 1.4 1.3 1.3 1.3 1.1 30 1.0 1.0 1.3 1.7 2.2 2.8 3.5 4.2 6.4 6.4 4.7 2.9 2.1 1.9 1.8 1.9 SYSTEM INOPERATIVE 31 SYSTEM INOPERATIVE

e i t i TABLE 3.5-2 DIFFERENCES IN NOURLY MEAN TEMPERATURES IN *F 4 SETWEEN MONITOR 3 AND MONITOR 7 I FEBRUARY 1982 I DAY .MOUR 1 2 3 4 5 6 7 8 9 to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 i 1 SYSTEM INOFERATIVE ' 1.7 1.7 1.7 1.7 1.7 1.7 1.6 i 2 1.5 1.6 1.7 1.9 2.3 2.6 3.0 - 6.0 6.9 5.0 3.3 2.6 2.3 2.3 2.3 .2.4-4.1 5.1 3.6 2.6 2.2 2.1 2.2 2.1 3 2.0 1.9 2.1 2.6 4.9 6.0 6.8 6.6 5.9 4.6 3.4 2.5 2.2 .2.1 2.1 2.0 't.9 1.9 2.1 2.0 2.1 2.0 2.1 2.1 I 4 2.2 2.2 2.2 2.1 2.1 4.0 4.8 3.2 2.3 2.0 1.9 1.9 2.0 2.0 1.8 1.9 3.0 2.7 2.2 1.9 1.8 1.8 1.8 1.8 5 1.7 1.8 2.1 2.3' 2.4 2.2 1.9 1.8 1.7 1.8

1. 8 - 1.8 1.9 1.8 ~

1.9 1.9 1.4 1.8 1.8 1.7 1.8 1.8 1.7 1.7 l 6 1.8 1.7 1.7 1.7 1.7 1.7 1.6 1.6 1.6 - 1. 6 1.6 1.6 1.7 1.7 1.8 1.7 1.7 1.6 1.6

1. 5 - 1.6 1.6 1.5 ' 1. 5 1

7 1.6 1.6 1.7 1.5 1.5 1.5 1.8 1.9 1.9 2.0 1.8 1.8 1.8 1.9 1.9 1.8 1.8 1.7 1.7 1.6 1.6 1.6 1.6 1.6 8 1.6 1.7 1.8 1.9 2.0 2.0 2.1 2.0 1.8 1.7 1.8 1.9 2.0 2.0 2.0 1.9 2.0 2.7 2.7 2.1 1.8 1.7 1.7 1.9 9 1.7 1.7 1.9 2.2 2.6 2.6 2.1 1.7 1.6 1.7 1.6 1.6 1.6 1.6 1.6 1.7 1.6 1.6 1.7 1.7 1.7 1.7 1.7 1.6 10 1.7 1.8 1.7 1.7 1.7 1.8 1.8 1.7 1.7 1.6 1.7 1.9 1.9 1.9 1.9 1.9 1.8 1.8 1.8 1.8 1.7 1.6 1.6 1.6 I 11 1.7 1.6 1.7 1.8 1.9 1.9 1.9 1.9 1.8 1.7 1.7 1.7 1.7 1.8 -1.7 1.8 1.7 1.6 1.7 1.6 1.6 1.6 1.6 1.6 [] 12 1.6 1.6 1.7 1.7 - 1. 9 2.5 2.4 1.9 1.7 1.7. 1. 7 1.7-1.8 1.7 .1.7 1.9 1.7 1.6 1.7 1.7 1.7 1.7 1.7 1.7 3 13 1.7 1.8 1.8 2.1 2.2 2.3 2.4 2.4 2.6 2.4 2.0

1. 9 ' !.8 - 1.9 1.9 1.9 1.8 1.8 1.8 1.8 1.7 1.8 1.7 1.7 1

14 1.7 2.0 2.3 - 2.4 2.5 2.6 2.7 2.7 2.7 2.9 3.1 3.1 3.2 3.0 2.9 2.9 ' 3.0 2.4 2.0 1.9 1.8 1.8 1.7 1.7 } 15 2.0

2. 2 ' 2.4 2.8 3.0 3.1 3.2 3.2 3.3

'3.6 2.8 2.2 2.0 2.0 2.4 2.8 3.0 3.3 2.6 2.1 1.9 1.9 2.2 2.7 16 3.0 3.1 3.1 3.2 3.2 3.2 3.2 - 3.4 3.2 2.5 2.2 2.1 2.1-2.1 2.2 2.3 2.5 2.4 2.2 2.0 1.9 1.9 1.9 2.2 17 2.4 2.7 2.9 2.9 3.0 3.1 3.1 3.5 3.1 2.4 2.1 2.0 2.0 2.1 2.1 2.2 1.9 1.9 1.9 1.9 1.9 1.8 1.8 1.7 18 1.7 1.7 1.6 1.8 2.1 2.3 2.8 4.2 , 6.1 4.7 3.2 2.6 2.3 2.2 2.2 2.1 2.0 1.9 1.8 1.8 1.8 1.8 1.8 1.8 19 1.8 1.8 1.7 2.0 2.2 2.4 4.9 5.3. 4.3 3.1 2.4 2.0 -2.0 2.0. 1.9 2.0 1.9 1.9 1.8 1.8 1.9 1.8 1.9 1.9 20 1.9 1.9 1.9 1.9 1.8 2.0 2.2 2.7 5.2 5.3 3.8 2.8 2.4 2.3 2.2 2.2 2.1 2.0 2.1 2.0 1.9 2.0 1.9 1.9 21 1.9 1.9 1.9 1.8 1.6 1.7 2.4 2.9 3.5 .4.0 5.8 6.4 6.4 5.0 3.6 3.0 2.6 2.2 2.1 2.0 1.9 2.0 2.0 2.0 22 2.0 2.0 1.9 1.8 1.6 1.8 2.5 5.3 6.2 4.6 3.3 2.6 2.4 2.4 2.6 2.8 2.9 3.4 3.8 5.2 3.7 2.6 2.2 2.1 23 tot 2.0 1.9 1.7 1.6 1.9 2.3 4.9 5.6 4.5 3.2 2.5 2.2 2.1 -2.1 2.0 2.0 1.9 2.0 2.1 2.0 2.0 2.0 2.0 24 1.9 1.9 1.7 1.5 1.6 2.0 2.7 5.7 5.6 4.0 ' 2.9 2.4 2.2 2.2 2.2 2.2 2.4 2.4 2.4 ' 3.8 4.1 3.3 2.8 2.6' 25 2.3 2.4 3.6 4.4 4.6 4.3 4.3 5.3 5.2 3.6 2.6 2.3 2.1 2.1 2.0 2.1 1.9 2.7 2.5 2.0 1.9 1.8 1.8 1.8 26 1.8 1.6 1.5 1.5 1.4 1.7 2.5 4.9 5.5 4.3 3.1 2.5 2.4 ~ 2.3 2.1 2.2 2.1 2.1 2.1 3.5 2.5 3.8 5.2 4.3 i 27 3.6 3.1 2.8 2.8 2.7 2.6 2.6 2.6 3.3 2.6 2.1 2.1 2.2 2.2 2.5 2.5 2.4 3.9 4.6 3.2 2.4 2.0 1.9 1.9 3 28 2.0 1.9 1.8 1.8 1.9 2.1 2.5 5.3 5.5 5.7 5.9 6.1 7.2 6.8 6.0 5.5 4.6 4.3 2.9 2.4 2.1 2.0 1.9 1.8 4 4,

t TABLE 3.5-3 DIFFERENCES IN N0URLY NEAN TEMPERATURES IN *F SETWEEN NONITOR 3 AND NONITOR 7 MARCH 1982 DAY NOUR 1 2 3 4-5 6 7 8 9 to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2.3 2.0 2.3 4.7 5.7 5.9 6.1 6.3 6.5 5.5 3.9 2.9. 2.4 2.3 2.1 2.0 2.0 1.9 2.0 1.9 1.9 1.9 1.8 1.9 2 1.9 1.7 1.6 1.8 2.3 3.2 5.3 5.8 6.1 ~ 5.4 3.8 2.9 2.6 2.4 2.2 2.2 2.3 2.5 4.4 3.6 2.5 2.1 2.0 1.8 3 1.8 1.7 1.7 1.8 3.0 5.9 6.0-5.9 6.3 5.3 3.8 2.8 2.4 2.3 2.3 2.3 2.6 2.6 2.3 2.1 1.9 1.8 1.9 2.0 l 4 2.0 1.9 1.7 1.7 1.9 3.3 6.0 6.0 6.3 4.9 3.3 2.5 2.2 2.0 1.9 ' !.9 2.2 2.4. 2.1 1.9 1.8 - 1.9 1.9 2.1 5 2.1 2.4 2.7 2.9 3.0 2.9 3.2 3.7 2.7 2.2 2.1 2.1 2.4 2.7 3.9 4.1 5.2 5.1 3.5. 2.6 - 2.1 2.0 2.3 2.3 6 2.3 3.1 5.7 6.0 5.8 6.0 6.0 6.3 6.2 5.8 4.3 3.1 2.6 2.3 2.1 2.1 2.0 1.9 1.9 1.9 1.9 1.9 1.9 2.0 7 2.0 2.0 1.9 1.9 2.0 2.3 2.6 3.0 5.2 5.7 6.0 6.7 5.7 4.0 2.8 2.3 2.1 2.0 2.0 2.0 1.9 1.9 1.9

1. 9 -

8 1.8 1.7 1.5 1.6 1.8 2.4 5.6 6.2 5.9 4.1 3.0 2.6 2.5 2.4 2.3 2.2 2.2 2.8 3.4 3.3 2.3 2.1 2.0 - 2.2 9 2.3 2.2 2.1 2.0 2.4 4.9 4.9 5.7 4.6 3.4 2.7 2.5 2.4 2.3 2.3. 2.3 2.3 2.5 2.5 2.5 2.5 2.4 2.4 2.3 10 2.3 2.3 2.1 2.1 2.2 4.1 5.3 6.1 5.1 3.6 2.8 2.5 2.5 2.5 2.4 2.3 2.2 2.2 2.1 2.1 2.1 2.4 2.4 2.3 [n 11 2.3 2.3 2.1 2.2 2.3 2.8 5.3 6.1 5.2 3.7 2.7 2.3 2.1 2.2 2.1 2.2 3.5 3.9 2.9 2.3 2.1 2.1-2.0 2.0 oo 12 2.1 2.0 2.3 3.0 3.6 3.9 5.4 5.0 3.7 2.7 2.3 2.2 2.2 2.2 2.1 2.2 2.2 2.1 2.1 2.0 2.0 2.0 2.0 2.0 I 13 2.0 1.9 2.1 2.7 2.3 2.0 2.0 2.6 3.3 2.5 2.1 1.9 1.8 1.8 1.8 1.8 1.8 1.7 1.7 1.8 1.8 1.8 1.9 1.9 14 2.0 1.7 2.0 2.0 2.1 2.2 2.4 2.6 -2.5 2.4 2.5 2.6 2.6 2.6 2.5 2.5 2.3 2.3 2.1 2.1 2.0 - 2.0 2.0 2.1 15 2.1 2.1 2.0 2.1 2.1 2.0 2.0 2.1 2.0 2.1, 2. 2 2.4 2.5 2.5 2.5 2.5 2.7 2.2 2.1 1.9 2.0 1.9 1.9 -1.9 16 1.9 1.9 1.9 1.9 1.9 1.8 1.8

1. 8 ~ 1.8 1.9 2.1 2.1 2.2 2.1 2.1 2.0 1.9 1.8 1.8 1.7 1.8 1.8 1.8 1.8 17
1. 8 - 1.7 1.8 1.8 1.8 1.4 1.8 1.8

.l.8 1.8 1.8 1.8 1.9 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.7 1.7 1.7 1.7 18 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.8 1.9 2.0 2.1 2.2 2.2 2.1 2.0 1.9 1.8 1.7 1.7 1.7 1.8 1.8 1.8 19 1.9 1.9 1.9 1.8 1.8 1.8 1.8 - 1.8 1.8 1.9 2.0 2.1 2.0 2.0 1.9 1.9 1.9 I.8 1.8 1.8 1.8 1.7 1.7 1.8 20 1.9 1.8 1.8 1.7 1.7 1.8 1.8 1.7 1.9 1.9 2.1 2.1 2.2 2.2 2.2 2.2 1.9 1.8 1.7 1.7 1.6 1.8 1.8 1.7 21 1.8 1.8 1.7 1.7 1.7 1.7 1.8 1.8 1.8 1.9 1.9 1.9 1.9 1.7 1.8 1.7 1.7 1.8 -1.7 1.8 1.7 ~ 1.6 1.6 1.6

1. 8. 1.8 1.8 22 1.8 1.8 1.7 1.8 1.8 1.7 1.7 1.8 1.8 1.8 1.9 2.0 2.1 2.1 2.0 2.0 1.9 1.8 1.7 1.6 1.7 23 1.7 1.7 1.7 1.7 1.7 1.7 1.7. l.7 1.8 1.8 1.9 1.9 2.0 2.1 2.0 2.0 1.9 1.8 1.6 1.6 1.5 1.5 1.6 1.6 24 1.6 1.7 1.7 t.7 1.7 1.9 1.7 1.7 1.7 1.8 2.0 2.0 2.0 2.0 1.9 1.9 1.8 1.6 1.6
1. 6. 1.5 1.5 1.5 1.6 25 1.6 1.6 1.6 1.7 1.7 1.7 1.6 1.5 1.5 1.6 1.8 2.0 1.9 2.0 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.4 1.5 1.5 26 1.5 1.4 1.3 1.2 1.3 1.3 1.4 1.4 1.5 1.3 1.2 1.1 1.0 0.9 0.9 1.0 0.9 0.9 - 0.8 0.8 0.7 0.8 0.8 0.8 27 0.8 0.8 0.9 0.8 0.9 0.9 0.9 0.9. 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.8 0.7 0.7 0.7 0.7 0.8 0.9 0.8 28 0.9 0.9 0.8 0.9 0.9 0.9 1.0 1.0

-0.9 1.0 1.1 1.1 1.2 1.3 1.2 1.2 1.3 1.2 1.2 1.1 1.1 1.1 1.1 1.1 29 1.1 1.1 1.1 1.1 1.1 1.2 1.2 1.3 1.2-1.3 1.4 1.3 1.3 1.2 1.3 1.3 1.2 1.1 0.9 0.8 0.7 0.8 0.7 0.8 30 0.9 0.9 1.0 1.0 1.1 1.1 1.1 1.2 .l.1 1.2 1.4 1.1 1.0 1.0 1.0 0.9 0.9 0.8 0.7 0.6 0.5 - 0.4 0.0 -0.2 31 -0.2 -0.3 -0.2 -0.2 -0.1 0.0 0.1 0.0 0.0 0.0 0.0 0.2 0.1 0.0 0.0 0.0 0.0 -0.1 0.1 0.1 0.1 ' O.0 0.1 0.1

TABLE 3.5-4 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F SETWEEN MONITOR 3 AND MONITOR 7 APPIL 1982' DAY HOUR I 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 0.2 0.2 0.3 0.3 0.3 0.2 0.4 0.4 0.3 0.2 0.3 0.1 -0.1 -0.4 -0.3 -0.3 -0.5 -0.4 -0.2 0.1 0.4 0.8 1.0 1.0 2 0.8 0.8 1.1 1.1 1.1 1.1 0.9 0.9 0.8 0.7 0.7 0.5 0.3 0.3 0.1 -0.1 -0.1 -0.1 -0.1 -0.1 0.0 0.1 0.1 0.3 3 0.4 0.5 0.5 0.2 0.0 0.0 0.1 0.3 0.6 0.6 0.8 0.9 0.8 0.8 0.8 0.8 0.9 0.8 0.8 0.7 0.7 0.8 0.9 1.0 4 1.1 1.2 1.2 1.2 1.1 1.0 0.9 - 0.9 0.9 0.7 0.6 0.6 0.5 0.6 0.6 0.5 0.5 0.6 0.7 0.7 0.7 0.8 1.0 1.1 5 1.1 1.0 1.0 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.0 1.0 1.0 1.0 0.7 0.7 0.7 0.7 0.8 0.9. 1.0 1.1 1.2-6 1.2 1.3 1.3 1.3 1.4 1.4 1.3 1.3 1.4 1.4 1.5 1.5 1.5 1.4 1.2 1.2 1.3 1.1 0.9 0.9 0.9 0.9 1.0 0.8 7 0.8 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.7 0.7 0.9 0.7 0.5

0. 8. 0.8 0.9 0.9 0.9
1. 0 ' t.0 1.1 8

1.3 1.4 1.4 1.4 1.5 1.5 1.5 1.4 1.4 1.5 1.4 1.4 1.3 1.3 1.2 1.1 1.2 1.2 1.4 1.3 1.3 1.3 1.3 1.3 9 1.3 1.4 1.3 1.4 1.4 1.4 1.4 1.4 1.4 1.4 1.2 1.1 l'. 0 0.8 0.7 0.6 0.6 0.6 0.6 0.7 0.6 0.6 0.5 0.5 10 0.4 0.5 0.3 - 0.4 0.3 0.4 0.6 0.8 1.2 1.4

1. 6. 1.7 1.7 1.5 1.4 1.3 1.1 1.0 1.0 0.9

'0.8 1.0 1.0 1.1 1 11 1.1 1.0 0.8 0.9 1.0 1.2 1.4 1.5 .1.7 1.8 1.8 2.0 2.0 1.8 1.5 1.2 0.7 0.5 0.2 0.2 0.3 0.5 0.8 0.9 h$ 12 1.0 1.0 1.0 0.8 0.7 0.7 0.6 0.7 1.0 1.3 1.5 1.6 1.7 1.9 1.8

1. 6. 1.5 1.2 1.1 1.2 1.2 1.3 1.3 1.3 g

13 1.4 1.2 1.2 1.1 1.1 1.0 1.2 1.2 1.4 1.5 1.4 1.5 1.4 1.4 1.4 1.4 1.4 1.5 1.5 1.5 1.5 1.5 1.5 1.5 14 1.5 1.5 1.3 1.2 1.1 1.0 1.1 1.1 1.2 1.3 1.4 1.4 1.3 1.2 1.0 0.7 0.6 0.5 0.4 0.5 0.5 0.6 0.8 0.9 15 1.0 0.9 1.0 0.9 0.9 1.0 1.3 1.5 1.6 1.8 1.9 1.8 1.7 1.4 1.2 0.9 0.8 0.5 0.3 0.1 0.0 0.0 0.2 0.2 16 0.4 0.5 0.7 0.9 1.2 1.4 1.6 1.7 1.7 1.7 1.7 1.5 1.3 1.1 0.9 0.7 0.5 0.3 0.0 0.0 -0.2 -0.1 0.1 0.3 17 0.5 0.9 1.0 1.3 1.3 1.4 1.4 1.4 1.3 1.3 1.2 1.1 1.0 0.7 0.6 0.6 0.5 0.4 0.4 0.7 1.0 1.2 1.3 1.2 18 1.0 1.0 0.8 0.8 0.8 0.9 1.1 1.1 1.0 1.0 1.0 1.0 0.9 0.8 0.7 0.6 0.4 0.3 0.2 0.2 0.3 0.5 0.6 0.7 19 0.8 1.0 1.0 1.1 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.6 0.6 0.5 0.5 0.5 0.4 0.2 0.1 0.0 -0.1 -0.1 0.0 20 0.2 0.3 0.5 0.6 0.6 0.6 0.6 0.7 0.7 0.8 0.6 0.7 0.7 0.6 0.5 0.5 0.2 0.0 0.0 0.0 0.2 0.3 0.4 0.2 21 0.3 0.4 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.7 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.5 0.4 0.5 0.6 0.7 22 0.7 0.8 1.1 1.2 1.1 1.1 1.2 1.1 1.1 0.8 0.9 0.8

0. 9.

0.9-0.5 0.5 0.5 0.6 0.4 0.5 0.6 0.8 1.0 1.0 23 1.2 1.2 1.0 0.9 0.9 0.9 0.7 0.9 1.1 1.0 0.9 1.0 0.8 0.8 0.6 0.5 0.4 0.2 0.2 0.3 0.3 0.4 0.7 0.9 24 1.0 0.7 0.6 0.6 0.4 0.4 0.5 0.4 0.4 0.3 0.1 0.0 -0.1 -0.3 -0.4 -0.4 -0.3 -0.2 -0.1 -0.1 -0.1 -0.1 0.1 0.3 25 0.3 0.4 0.5 0.7 0.8 0.8 1.0 1.2 1.0 0.6 0.5 0.4 0.7 0.6 0.6 0.6 0.5 0.6 0.8 0.9 1.0 1.2 0.8 26 0.8 1.0 1.0 1.2 1.1 1.1 1.1 1.0 1.2 1.4 1.2 1.0 1.0 0.8 0.6 0.6 0.8 1.2 1.1 1.0 1.0 1.1 ~ 0.6 0.6 27 0.8 0.8 0.7 0.8 0.9 1.0 1.1 1.3 1.2 1.2 1.1 1.2 1.0 0.7 1.0 1.1 1.1 1.0 1.0 1.2 1.2 1.1 0.8 0.7 28 0.7 0.6 0.7 0.6 0.8 0.9 0.9 0.7 0.7 0.7 0.9 0.9 0.9 0.7 0.5 0.6 0.7 0.9 0.9 1.0 0.7 0.8 0.9 I.0 29 1.0 0.9 0.9 0.9 1.0 1.0 L.0 1.1 1.2 1.0 0.9 1.0 1.1 1.0 1.0 0.7 0.8 0.8 0.9 1.0 1.0 1.1 1.1 1.0 30 1.3 1.3 1.4 1.4 1.3 1.3 1.4 1.4 1.4 1.4 0.6 0.5 0.5 0.3 0.5 0.5 0.6 0.6 0.7 0.5 0.5 0.5 0.4 0.5 s_--

e ch eeMehecemeheN se e e e e o e o e a e e e o e e N 0000m O0000000m= memewhhCOeh memm I m e e e e e o e e e e e e e e e l N OOOOmOOmmOOOomm m.heNeeOmmeece. N e e e e e e e o e e a e N OOOOH OOmHOOOmmm m N e O N e e O. N.o m e c e m e e e e e e e e e e e e N. DOOmmOOmmmOOmmm f mmoOO<OmmechNeh O e e o e e o e o e o e e e e e N OOommomommmOmmm mNeNmemmNmONNh e e a e e e e e o e o e e o e o e m DOOmmommmmmmmmm d o e N N e d a m e. O. m, e Oe e e e e e e e e e m OOOmmOmm mmm mmN o m M e h m O. O O. mh emo h e e e e o e e e e e m OOmmmOmmmNm mONe mhmMWhedOON eh O e e o e e. e e e o e e e e m DOmmmOmmmNm mmM W e b emmedeeMNe@ mmhe e e e o e e e e o e o e eH e o e m OOmmmommmmm 4mmm E N = W b m ehmm4mOenhdomh > W h 4 e e e e e o e e e e o g e e e a m OOmmmmNammmmmma 3 m M O E 4 H W m m OhNm4NOWNemHeed W Z M e o e o e e e e e e e m e o e Y b O m mOmmmmNummm >mmm l E E M W O w O N z e Ommmeweemme 444 3 4 e N e e e e e e e e o e e e e e M < m W = mOmmmmmmmma mmm W M D E O Q m 4 5 O z emOheemmOM4NNmM J m o e e o e o e e e o e e e e e a m m OmmOOmmmmmmNm== m D 2 4 O O = x M ONmeOmeNe.edmome E E O e e e e e o e o e e o e m W M mmmOmmmmOOmNamo W e 3 W H O N N e d e d a n k m c e O O. U W Z e e e e o e e o e e e e e e e e W mm=Ommm=OOmMOmm MW b b emMhmemee>M hmem m o e o e o e e o e e e e e e e e O OmmOmmmOOOmmOOm e m. u h. m. e m M h h O m m m m m e e e e e e e e e e OmmommmOOOmmOOm h meeNhkeehemNmd e e e o e e e e e e e e o e e e OmOOmmmOOOOmOOm e O m e N e u d. e.e m e m m e e e o e e e e e e e e e e e OmOOmomOOOOOOOm emmeNemmehehM.Om q e e e e e o e e o e e e OOOOmamOOOOOOOm emmememdeheteNmW m o e e e e o e o e o e o e e e OOOOmmmOOOOOOOm e h o d e. m e h m e d m e. l eh N e e e e e e e e e e e e OOOOmmOOOOOOOOm m e m e m m e. d. e. m. he eded m e e e e o e e e e e OOOOOmOOOOOOOOm mMMdmeh meOm M m et e Q - m mm m m. _.

TABLE 3.5-6 DIFFELENCES IN HOURLY MEAN TEMPEEATURES IN 'T SETWEEN MONITOR 3 AND MONITOR 7 OCTOSER 1982 CAY HOUR I 2 3 4 5 6 7 8 9 10 11 .12 13 14 15 16' 17 18 19 20 21 22 23 24 16 0.7 0.8 0.7 0.6 0.6 0.7 0.6 0.4 0.4 0.4 0.3 0.4 0.4 0.4 0.4 0.6 0.5 0.3 0.3 0.2 0.3 0.3 0.4 0.5 17 0.6 0.6 0.7 0.8 1.0 1.2 1.2 1.1 1.0 1.1 1.3 1.6 1.9 2.0 1.9 2.1 2.5 2.4 2.3 2.3 2.4 2.5 2.5 2.6 18 2.6 2.5 2.6 2.5 2.3 2.2 2.1 2.0 2.0 2.0 2.1 2.4 2.7 3.0 3.1 3.1 3.1 3.1 2.8 3.0 3.1 3.3 3.1 3.1 19 3.0 2.9 3.0

3. 2 - 3.3 3.5 3.5 3.8 4.1 3.9 3.4 3.1 2.9 2.6 2.4 2.6 2.8 2.9 2.8 2.9 3.3 3.2 3.1 3.1 20 3.0 2.8 2.9 3.2 3.3 3.5 3.7 3.8 4.1 4.6 5.2 5.3 5.1 5.0 4.6 4.4 4.3 4.0 4.0 4.4 4.8 4.7 4.2 4.0 21 3.9 3.9 3.8 3.8 3.8 3.9 4.0 4.2 4.4 5.0 5.3 5.4 5.0 4.5 3.9 3.5 3.3 3.0 3.3 3.8 4.1 4.0 4.0 4.1 22 4.0 4.0 4.1 4.1 4.3 4.3 4.5 4.6 4.8 5.1 5.4 5.2

'4.6 4.0 3.5 3.0 2.8 2.7. 2.8 3.1 3.3 5.2 3.0 2.9 23 2.8 2.7 2.8 2.7 2.9 3.0 3.0 3.1 3.2 3.4 3.6 4.1 4.4 4.3 4.5 4.7 4.8 5.0 5.1 4.9 5.0 5.0 5.0 5.1 24 5.0 5.1 5.1 5.1 5.2 5.2 5.2 5.2 5.2 5.1 5.3 5.3 5.6 5.7 6.2 6.4 6.4 6.3 6.1 6.0 6.0 6.0 5.9 5.9 25 6.0 6.0 6.0 6.0 6.0 6.0 6.0 5.9 6.1 6.4 6.9 7.3 7.6 7.9 8.0 8.0 7.8

7. 7 7.6 7.3 7.2 7.1 6.9 6.6 1

26 6.4 6.4 6.4 6.4 6.3 6.1 6.2 6.2 6.2 6.8 7.2 7.0 6.7 6.6 6.2 6.0 5.7 5.5 6.0 6.2 6.2 6.0 6.0 5.9 cm 27 5.8 5.7 5.8 5.9 5.9 6.1 6.2 6.4 6.7 6.7 6.9 7.2 7.1 7.4 7.9 8.1 7.9 7.6 7.2 7.0 6.8 6.7 6.8 6.7 Fd 28 6.5 6.5 6.4 6.4 6.9 7.1 7.0 6.8 6.7 7.1 7.5 7.4 7.8 8.1 8.2 8.4 8.4 8.3 8.1 7.9 7.8 7.7 7.6 7.4 3 29 7.4 7.3 7.3 7.3 7.3 7.2 7.1 7.1 7.1 7.1 7.7 8.0 8.1 8.3 8.9 9.0 9.0 9.0 9.1 8.8 8.7 8.7 8.7 8.4 30 8.5 8.3 8.3 8.2 8.2 8.0 8.0 8.1 7.9 7.9 8.0 8.0 8.1 8.4 8.7 8.8 8.8 8.7 8.5 8.3 8.2 8.0 7.8 7.9 31 7.9 7.8 7.9 8.0 8.1 8.2 8.2 8.3 8.2 8.0 8.1 8.3 8.6 8.7 8.9 8.9 8.8 8.7 8.4

  • 4 7.7 7.5 7.4 7.5 i

s i 4 TABLE 3.5-7 DIFFERENCES IN HOURLY MEAN TEMPERATURES IN 'F BEW EEN MONITOR 3 AND MONITOR 7 NOVEMBER 1982 DAY SOUR I 2 3 4 5 6 7 8 9 to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 7.4 7.4 7.4 7.4 7.4 7.4 7.3 7.4 7.4 8.3 7.3 7.2 6.9 6.8 6.9 6.4 6.3 6.3 6.7 6.5 6.5 6.4 6.3 6.2 2 6.1 6.1 5.9 5.9 5.9 5.9 6.1 6.1 6.3 6.6 6.8 7.0 7.1 7.2 7.0 6.6 6.2 5.8 5.2 4.8 4.6 4.6 4.6 4.6 3 4.9 5.0 5.2 5.3 5.5 5.7 6.0 6.2 6.4 7.0 7.2 7.1 6.6 6.7 7.0 6.9 6.2

5. 6. 5.1 4.5 3.7x 3.6 3.6 3.7 4

4.1 4.5 4.8 5.2 5.4 5.6 5.7 5.8 6.2 6.3 6.2 4.9 3.8 3.1 3.0 2.8 2.6 2.5' 2.5 2.3 2.2 2.2 2.2 2.2 5 2.0 1.7 1.5 1.7 1.9 2.3 2.8 3.8 5.2 4.6 3.6 3.2 2.9 2.7 2.3 2.2 1.9 1.7 1.7 1.7 2.0 2.0 1.9 1.9 6 1.9 2.0 1.9 1.8 1.6 1.5 1.4 1.5 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.3 2.1 2.0 2.1 2.1 2.0 2.0 2.0 2.1 7 2.2 2.2 2.2 2.2 2.4 2.4 2.4 2.3 2.2 2.0 1.9 1.7 1.7 1.7 1.8 1.9 2.1 2.4 2.6 2.8 2.9 3.1 3.2 3.2 8 3.4 3.6 3.4 3.5 3.5 3.5 3.4 3.2 3.1 3.0 2.8 2.7 2.6 2.6 2.5 2.4 2.4 2.4 2.2 2.1 2.0 1.9 1.8 1.8 9 1.7 1.7 1.7 1.7 1.6 1.6 1.7 1.7 1.7 1.7 1.6 1.6 1.7 1.6 1.7 1.6 1.7 1.7 1.8 1.7 1.8 1.7 1.7 1.7 10 1.7 1.7 1.7 1.8 1.9 2.0 2.3 2.8 3.6 4.6 4.0 3.0 2.1 1.9 1.8 1.8 2.2 2.5 2.7 2.4 2.2 2.1 1.9 1.8 I 11 1.7 1.9 2.4 3.1 3.7 4.1 4.3 4.6 4.8 6.0 6.0 6.1 4.9 3.9 3.6 3.5 3.5 4.4 4.5 3.8 3.5 3.3 3.1 3.0 Ch 12 3.0 3.1 3.6 4.3 4.7 4.9 5.0 5.4 5.6 6.0 6.2 5.2 4.0 3.1 2.4 2.3 2.4 2.5 2.5 2.7 2.7 2.9 3.0 3.1 )# 13 3.1 3.0 3.0 3.1 3.1 2.9 2.8 3.7 5.1 4.2 3.7 2.8 2.5 2.0 2.0 1.7 1.6 1.6 1.6 1.5 1.4 1.2 1.2 1.2 to 1.1 1.0 1.0 1.0 1.8 2.2 2.5 2.6 2.2 1.8 2.1 2.3 2.5 2.4 2.3 2.3 2.2 2.1 2.1 1.9 1.8 1.7 1.7 1.8 15 1.9 1.8 1.6 1.4 1.2 1.2 1.2 4 1.2 1.1 u.9 ' O.9 0.8 0.7 0.7 0.9 0.8 1.6 3.5 1.7 1.3 1.3 1.4 1.4 1.6 16 1.8 1.8 1.8 1.9 2.1 2.5 3.2 4.4 5.5 4.7 4.3 3.8 3.7 3.5 3.6 3.4 3.6 3.5 3.0 2.7 2.6 2.2 2.3 2.3 17 2.4 2.5 2.8 3.1 3.3 4.0 4.4 5.0 5.6 5.1 SYSTEN INOPERATIVE 18 SYSTEM INOPERATIVE 3.9 3.0 2.8 2.7 2.6 3.0 3.3 3.1 3.1 2.9 2.8 3.1 3.0 3.5 3.7 19 3.9 4.0 4.0 3.9 4.2 4.7 4.8 5.2 5.5 5.4 4.3 3.7 3.1 2.9 3.2 3.2 3.5 3.2 2.7 2.6 2.6 2.6 2.8 3.2 20 3.5 3.6 3.4 3.4 3.7 3.9 4.5 5.0 5.4 5.4 5.4 5.2 5.1 4.9 4.5 4.1 4.1 4.2 3.1 2.7 2.4 2.3 2.6 3.1 21 3.3 3.4 3.6 3.7 4.1 4.6 4.9 5.0 5.0 5.2 5.4 5.7 6.4 6.0 5.9 5.6 5.5 5.6 5.1 4.5 3.7 3.4 3.6 3.6 22 4.0 3.9 3.8 3.6 3.6 3.7 3.8 4.3 4.7 4.5 4.0 3.4 3.1 2.9 2.8 2.6 2.9 3.2 3.2 3.1 3.0 3.0 3.1 3.1 23 3.2 3.1 3.3 3.6 3.8 3.9 4.0 4.0 4.2 4.0 3.8 3.6 3.6 3.5 3.2 3.1 3.1 3.1 3.0 2.9 2.9 2.8 2.7 2.7 24 2.7 2.7 2.8 2.9 3.2 3.8 4.3 4.9 5.4 6.1 5.3 4.2 3.6 3.4 3.2 2.9 2.9 2.8 2.6 2.5 2.4 2.3 2.2 2.1 25 2.0 1.9 1.5 1.5 1.3 1.5 1.9 2.4 3.5 4.6 3.5 2.6 2.2 2.0 1.7 1.7 1.6 1.7 1.9 1.8 1.8 1.9 1.9 2.0. 26 2.1 2.2 2.2 2.4 2.5 2.6 3.8 4.4 5.5 5.6 4.5 3.6 3.0 2.7 2.8 2.5 2.5 2.4 2.3 2.2 2.0 1.9 1.8 1.9 27 2.0 2.1 2.1 1.9 2.1 2.2 2.8 3.8 5.0 6.7 5.3 4.3 3.4 3.0 2.8 2.7 2.4 2.4 2.5 2.5 2.4 2.2 2.2 2.3 28 2.5 2.4 2.5 2.7 2.6 2.5 2.9 3.4 3.9 4.2 5.0 5.9 5.2 3.8 3.1 2.8 2.9 3.1 2.9 2.9 2.8 2.8 2.7 2.6 29 2.5 2.4 2.3 2.7 2.9 2.7 2.9 3.0 2.7 2.4 2.3 2.3 2.3 2.3 2.3 2.2 2.5 3.1 2.6 2.1 1.9 1.8 1.8 2.2 30 2.2 2.4 3.1 3.8 4.5 5.0 5.3 5.7 6.4 6.4 3.9 4.1 3.2 3.1 2.6 2.4 2.4 2.4 2.3 2.3 2.1 2.1 2.1 2.0

~ ~ 2 5 2 TABLE 3.5-8 DIFFERENCES IN NOUBLY MEAN TDtFteATURES IN *F BETWEEN MONITOS 3 AND MONITOR 7 DECEMBER 1982 DAY NOUR 1 2 3 4 5 6 7 8 9 to 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2.1 2.0 2.1 2.2 3.2 4.0 4.5 4.9 5.2 5.6 4.8 4.0 2.7 2.7 2.7 2.6 2.7 2.6 2.6 2.4 2.4 2.2 2.2 2.0 2 2.1 1.9 2.0 2.3 2.8 3.4 4.1 4.4 5.1 6.0 5.1 3.3 2.6 2.3 2.1 2.2 2.1 2.0 1.9 1.8 1.6 1.4 1.2 1.2 3 1.2 1.3 1.5 1.7 1.8 2.3 2.9 3.7 4.4 3.9 2.8 2.3 2.2 2.1 2.1 2.0 2.0 1.9 1.8 1.7 1.7 1.7 1.7 1.6 4 1.7 1.7 2.1 2.4 2.5 2.4 2.3 2.1 2.0 2.0 1.9 1.8 1.6 1.7 1.5 1.4 1.3 1.1 1.1 1.0 1.0 1.0 1.1 1.1 5 1.3 1.4 1.5 1.6 1.7 1.6 1.7 2.3 3.5 4.2 3.3 2.7 2.5 2.3 2.3 2.1 2.1 2.0 1.8 1.7 1.7 1.7 1.7 1.7 6 1.7 1.6 1.7 1.9 2.3 3.2 4.2 4.8 5.1 4.5 3.4 2.8 2.5 2.4 2.1 2.1 2.0 1.7 1.6 1.5 1.3 1.2 1.2 1.1 7 1.2 1.1 1.1 1.2 1.2 1.4 2.2 3.0 3.8 4.8 3.8 2.4 1.7 1.6 1.7 1.7 1.7 1.5 1.5 1.4 1.3 1.2 1.3 1.3 8 1.5 1.6 1.5 1.7 1.6 2.2 3.0 4.0 5.3 4.3 3.2 2.8 2.8 3.0 3.1 3.3 3.2 3.4 2.5 2.2 2.1 1.9 1.7 1.7 9 1.8 1.9 2.3 2.8 3.4 3.9 4.4 4.5 5.1 5.7 4.7 3.6 2.8 2.6 2.3 2.7 3.2 3.0 2.1 1.9 1.9 1.6 1.4 1.3 to 1.3 1.4 1.3 1.5 2.0 2.4 2.8 3.8 4.5 3.4 1.8 1.5 1.8 1.9 2.1 2.0 2.1 2.9 2.5 2.4 2.2 2.3 2.3 2.3 8 11 2.2 2.1 2.2 3.0 3.9 4.2 4.5 4.9 5.2 5.6 6.0 6.4 7.0 7.1 7.2 7.3 7.2 7.1 7.1 5.8 4.2 3.5 3.4 3.2 [) 12 3.3 3.2 3.1 3.2 2.9 3.8 4.6 5.2 5.5 5.8 6.1 6.4 6.7 7.0 7.5 7.8 7.9 8,2 8.5 8.6 8.7 8.7 8.7' 8.8 13 8.7 8.8 8.6 8.5 8.5 8.5 8.6 8.9 8.4 5.5 3.4 3.0 3.0 3.0 2.9 2.5 2.2 2.0 2.0 1.8 1.7 1.6 1.7 1.8 g 14 2.0 2.3 2.4 2.4 2.9 3.6 4.2 5.1 6.2 5.5 4.0 3.9 3.4 3.2 3.2 3.7 3.9 4.7 5.0 4.0 3.8 3.6 3.4 3.4 15 3.6 3.7 3.7 4.2 4.4 4.6 5.1 5.5 6.0 7.1 7.3 7.2 6.7 6.1 5.6 5.6 6.0 6.2 4.4 3.5 3.1 2.9 2.9 2.6 16 2.5 2.6 2.5 2.5 2.9 3.0 3.2 3.6 4.7 5.5 4.5 3.8 3.4 3.1 3.1 2.9 2.5 2.5 2.4 2.4 2.2 2.1 2.1 1.9 17 1.7 1.7 1.6 1.7 1.6 1.7 1.7 1.7 1.7 1.8 2.0 2.5 2.0 2.1 2.1 2.1 2.2 2.0 2.0 1.9 2.1 2.0 2.1 2.2 18 2.2 2.2 2.2 2.1 2.1 1.7 1.7 1.3 1.2 1.4 1.6 1.6 1.7 1.8 1.8 1.5 1.2 1.0 1.0 1.1 0.9 1.0 1.8 1.1 19 1.3 1.6 1.7 2.3 2.6 2.7 2.7 2.8 3.2 3.0 2.5 2.1 I.9 1.9 1.9 1.9 1.9 1.8 1.9 1.8 1.9 1.9 1.9 1.9 20 2.0 2.0 2.3 2.7 2.9 2.8 2.8 2.9 2.7 2.2 2.0 1.9 2.3 2.0 2.2 2.4 2.3 2.2 2.0 1.9 1.8 1.9 1.8 1.9 l 21 2.0 2.2 2.4 2.7 2.8 2.8 2.8 2.9 2.9 2.8 2.3 2.1 2.0 2.1 2.2 2.3 2.4 2.4 2.1 2.0 1.9 1.9 1.8 1.8 l 22 1.9 2.1 2.4 2.7 2.8 2.7 2.8 2.9 2.9 2.9 2.3 2.1 2.0 2.0 2.0 1.9 1.9 1.9 1.8 1.8 1.7 1.7 1.7 1.7 23 1.6 1.6 1.6 1.6 1.9 2.1 3.0 5.4 6.0 4.2 3.0 2.5 2.2 2.2 2.1 2.1 2.4 3.4 2.5 2.1 1.9 1.9 1.9 1.8 24 1.6 1.8 2.0 2.4 3.0 3.6 4.3 4.9 5.7 7.0 6.4 4.8 3.6 2.9 2.7 2.7 3.0 3.2 2.7 2.2 2.1 2.0 2.0 2.1 1 25 2.2 2.1 2.3 2.5 2.9 3.4 3.8 4.2 4.6 5.2 6.6 7.0 6.3 5.2 4.4 3.8 3.5 3.1 2.9 2.4 2.1 ~1.9 1.8 1.9 i 26 2.1 2.2 2.3 2.4 2.8 3.0 3.4 3.7 4.2 4.5 4.3 3.7 3.0 2.6 2.3 2.3 2.2 2.1 2.0 2.0 1.9 1.9 2.1 2.1 l I 27 2.1 2.1 2.1 2.1 2.1 2.1 2.0 2.0 2.1 2.0 1.8 1.7 1.7 1.7 1.6 1.7 1.7 1.5 1.5 1.4 1.4 1.3 1.3 1.3 l 2S 1.3 1.3 1.4 1.6 1.8 1.8 2.0 2.0 2.0 2.1 2.3 2.2 2.3 2.2 2.3 2.1 2.0 1.9 1.7 1.6 1.6 1.5 1.6 1.6 j l 29 1.6 1.6 2.0 2.1 2.3 2.4 2.5 2.6 2.5 2.5 2.4 2.5 2.3 2.4 2.3 2.3 2.2 2.1 2.0 2.0 1.9 1.7 1.6 1.6 l 33 1.5 1.5 1.5 1.6 1.8 1.9 2.0 2.1 2.2 2.2 2.3 2.4 2.3 2.2 2.2 2.2 2.1 2.0 1.9 1.8 8.7 1.5 1.5 1.5 i 31 1.4 1.5 1.5 1.6 I.8 1.9 1.9 1.7 1.7 1.5 1.4 1.3 1.2 1.2 1.2 1.2 1.2 1.2 1.3 1.4 1.6 1.5 1.5 1.6 l l l l l i l l l l

1 f SECTION 4 WATER QUALITY STUDIES t l l l l I l ~

l 4. WATER QUALITY STUDIES Dissolved oxygen concentration and pH, in addition to temperature, have been monitored continuously by Honeywell l W-20 Water Quality Water Collection Systems since 1968 at Station 3, downstream of Vermont Yankee, and since 1970 at Station 7, upstream of the plant. Summaries of the dissolved oxygen and pH data collected in 1982 are shown in Table 4.1 for Station 3 and Table 4.2 for Station 7. The dissolved oxygen data are reduced to daily means and daily maxima and minima with times of occurrence; the pH data are shown as daily maxima and minima. The tabulated dissolved oxygen and pH data of Tables 4.1 and 4.2 are presented graphically in Figures 4.1 through 4.4. The shaded areas in those figures show the largest maximum and smallest minimum observed in that month in any one of the years of record prior to 1982. The shaded areas in the dissolved oxygen graphs are divided by lines connecting the average D.O. for each month calculated from the monthly means in all the previous years of observation. l l No record monthly minimum D.O. concentrations were l observed in 1982, but maxima were recorded in March, April, { and June that were greater than had been observed in earlier years of study. At upstream Station 7, the April maximum of 14.9 mg/l exceeded the earlier maximum of 14.5 mg/l in 1979, i 1 and the June 1982 maximum of 10.0 mg/l was greater than the previously observed June maximum, 9.9 mg/l in 1973. At I Monitor 3, downstream of Vermont Yankee, the March and April l

maximum of 14.9 mg/l in each month was 0.1 mg/l greater than the previous records in those months, 14.8 mg/l in 1979. At both monitoring locations the mean monthly D.O. concentrations in November and December were lower than the average concentrations observed for those months in all the years of earlier studies. The mean August D.O. concentra-tion at Station 3 was also lower than the 14 year mean of the earlier August data. The April and the June means at both locations were higher than the means observed in any single l year of prior study. The Monitor 3 mean of 14.0 mg/l in April exceeded the highest April mean of 13.6 mg/l observed in former years and the June mean of 9.6 mg/l was 0.1 mg/l greater than the previously observed June maximum there. The Monitor 7 April mean was also 14.0 mg/1; the highest April mean observed there in prior years was 13.5 mg/l in 1978. The June mean of 9.0 mg/l was 0.1 mg/l greater than the highest mean June D.O. concentration previously at Monitor 7. The pH minimum of 6.8 recorded at Monitor 3 in May was lower than the previous record minimum of 6.9, observed in 1978 and'1979. All other pH minima and all maxima of 1982 were within the pH extremes that have been previously observed. Grab samples for water quality analysis were collected on 4 dates in 1982 at the two monitor stations and from Vermont Yankee's cooling water discharge to the river. These samples were analyzed for sixteen parameters by the procedures of Standard Methods for the Examination of Water and Wastewater, 14th edition (APHA et al. 1976). The analytical results are shown in Table 4.3. With two exceptions, all concentrations observed for all parameters in 1982 at both Station 3 and f Station 7 were within extremes that had been observed in samples of earlier years of study. The exceptions were the total iron concentration, 0.08 mg/1, in the Monitor 3 sample 7 1 of' September 9 and the chloride concentration, 11.3 mg/1, in the Monitor 7 sample of March 11. The lowest concentration l of iron observed at Monitor 3 in earlier' years was 0.'10 mg/l and the highest concentration of chloride found in earlier Monitor 7 samples.was 10.8 mg/1. On occasion, Vermont Yankee adds the following chemicals to.its cooling water discharge.to the Connecticut River: sodium sulfate, as demineralizer regenerant; sodium hypochlorite, to control _ biological fouling of the condenser cooling system; I and sulfuric acid, for'pH control. The amounts of these chemicals-discharged to the river are relatively small and not likely to significantly alter the river's water quality. r However, to provide a quantitative basis for assessing the impact of Vermont Yankee's operation on Connecticut River water quality, data on the concentrations of sodium ion, chloride ion, sulfate ion, and alkalinity concentrations were subjected ~ to statistical analysis. The statistical methods used with these four paramoters have been detailed in Reports IV and,V of this series (Aquatec l '1975, 1976). Data collected for.these four parameters at Stations 3fand'7 before Vermont Yankee began operation and during-the times of closed cycle operation-through 1974 were combined and subjected to linear regression analysis. These analyses, using Station 7 concentrations as the independent j variable, resulted in the statistics summarized in Table 4.4. [ The regression lines generated by these analyses are plotted as solid lines in Figure 4.5 for sodium ion, Figure 4.6 for sulfate ion, Figure 4.7 for chloride ion, and Figure 4.8 for alkalinity. Each figure also shows, as dashed lines, the 95% confidence limits for station 3 concentrations predicted by .the regression equation from new observations at Station 7. These confidence limits were drawn from limits calculated for I the minimum, mean, and maximum Station 7 concentrations used ! l _ _ ~.. _ _ -. - -. _ _... _.. _.. _.. _ -.... _ _ _,, _... _,.. _ _

TABLE 4.4

SUMMARY

OF STATISTICS FROM LINEAR REGRESSION ANALYSIS OF PREOPERATIONAL AND CLOSED CYCLE DATA AT STATIONS 7 AND 3 FOR FOUR PARAMETERS PARAMETER Sodium Sulfate Chloride Alkalinity Sample size 70 72 79 80 Intercept 0.23 0.96 1.1 4.9 Regression coefficient 0.925 0.927 0.795 0.844 Standard error of regression coefficient 0.041 0.054 0.053 0.049 Correlation coefficient 0.941 0.899 0.861 0.890 Standard error of estimate 0.348 0.987 0.841 2.95 for each parameter in the regression analyses. The applicable range of Station 7 concentrations for each regression equation is indicated on the figure by the vertical dashed lines at the minimum and maximum value of Station 7 concentrations used to develop the equation. On each of the figures, points for the data from samples collected in March, May, and November, when Vermont Yankee was using open cycle condenser cooling, are plotted as open circles. Points for the data of September, when Vermont Yankee was operating in the closed cycle cooling mode, are plotted in the figures as filled circles. Fifteen of the plotted points lie within the applicable ( range of concentrations from which the regression lines were developed and are well within the 95% confidence limits for Station 3 concentrations predicted by the regression equations from the observed Station 7 concentrations. The Station 7 chloride concentration in March (11.3'mg/1) is greater than the maximum Station 7 concentration used in the regression analysis j f - (10.2 mg/1), but the plotted point for the March chloride data would fall within the 95% confidence-limits of;an_ extrapolated regression line. i li 1 d i l-4 i l l i l

DISSOLVED OXYGEN STATION NO.3 1982 15 .,s.___.. se M,g. ' f = > ~, g., W ~l l

  • ' "'f yS(ep _.;

'W b. /+ gyjsi?S' / j/ p ~ hka k / Nw 7 ng A3 p

/

g g%. n l js' ,f g gg';. ^Tn % c. ? ', i' .... gg 5-o i I 2 3 4 5 6 7 8 9 10 11 12 MONTH SHADED AREA Maxima,means,and minimo, 1968-1981 M ONTHLY MAxlMUM See text. MONTHLY AVERAGE "U""#"'"'""" ~~~~~~~ FIGURE 4.1

2 j ,/ 1 e / 'o 1 s 1 / / ~ /, /, 1 M E 0 ',s M U G M A U / l E N R M x I A VI M AM 9 /, , / /, Y YY L L L H HH T TT N NN O OO M MM Q 8 NE 7 GY O X 7 N H O T T 2 2 N D N 8 O 4 9 M E O1 V 6 E I L T R O A U S T G S S h FI I D 5 1 8 Rg .n 9 K" 1 0 7 4 9 1 MM.g o m i n i m. m 3 ,/ E: d eT: n A a, E s f: n R a 2 A e m, t g:Cg, i SMS D ax E e g D imt $:g.:; H ae A x e ?g ::: ~ o 5 1

i:

,j l ?

P H STATION NO. 3 1982 9.0 s .? ' - h 8.o - kY j ng g 4,,,:. h' a.. 4.g~-.. s.. ..m

h., xg".,

w -l', f ,m gg, y - M.%L;gga. f $fY l b N &^ ~ "hg; 3 6.m T.0 - ~e.....a :4...,.,,.,,...m{ z .%;ug 4MM.- 3 ~ y / O. %/ w n 1 i

6. 0 -

5.0 1 2 3 4 5 6 7 8 9 10 11 12 l MONTH SHADED AREA Maximo and minimo, 1968-1981 See text. MONTHLY MAXIMUM MONTHLY MINIMUM FIGURE 4.3

2

N 1

~ f:. j, l ~ . ~ c l ~ 0 1 M M i 4 U U - 'e "n ' g I I U M M o r 6 a.

?;:

X N a A I M M 9 w Y Y L L r H H T T ~ w,, w e N N O O M M 8 7 ,m =': s ? 7 O H N H 2 , m,, T 4 N P i /, N8 t' O 4 IO9 It ~ M ~ 1 6 E T , m ' ,1 I R A U T a G m,i F S s 5 l,p, > I s, 1 e,, g: u.. ~ 8 4 9 1 1

n
4, s::::.
4;;.;

0

n n

7

m _~
.i 9

~ n~

v

/:'+.s'l: 3 o , _ =_. i m .,y_ ;:.,,. ; r n w#i :%,=.:-: Ai .i.'c E m i % ;:.:g+:..-. 2 An l R +l: d

l a
i. :::

D t h

7i ' x:

Ea x m': y': ;: Dmt e

c i

u :m. Ax e : y~. 1 SMS W" Ha e ~: 0 0 0 0 0 9 8 7 6 5 &sD q o~Mo

) COMPARISON OF OBSERVED STATION 3 SODIUM ION CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM l PREOPERATIONAL/ CLOSED CYCLE DATA, STATIONS 7 AND 3,1969 - 74 y 15 - 14 - 13 - g 12 - E 2 II - w z 10 - 9 Q 9-a: z a-zw e a F '8 z 7-f o$ e / 8 o m f 6- / E 8 s' s' 5-E / / o,' a5 ,s 4-o / 3- / V g_ j l-O ,X O I 2 3 4 5 6 7 8 9 10 II 12 13 I4 15 l STATION 7 SODIUM ION CONCENTRATION ( MG/L) REGRESS?ON EQUATION ( y =.23 +.925m ) 95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o VERMONT YANKEE CLOSED CYCLE OR NOT OPERATING,1982 FIGURE 4.5 -.

COMPARISON OF OBSERVED STATION 3 SULFATE lON CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL/ CLOSED CYCLE DATA, STATIONS 7 AND 3,1969 - 74 i / l l y / ,/ 15 ~ / 1 l4 - l / l 13 - ,/ j l 3 / / I2 - s / / / / II ~ / ,/ Z / / go - 9 / / k [ 9- / / 5a / o 8-( gg o 7-o / p I / m z 6- / e S-l ,/ w I / p 4-s M 3-2- 1-O ,X 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 STATION 7 SULFATE lON CONCENTRATION ( MG/ L ) l I REGRESSION EQUATION ( y *.96 +.9 27s ) 95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o VERMONT YANKE E CLOSED CYCLE OR NOT OPERATING,1982 FIGURE 4.6 COMPARISON OF OBSERVED STATION 3 CHLORIDE ION CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL/ CLOSED CYCLE DATA, STATIONS 7 AND 3,1967 - 74 y i5 - 14 1 13 - 3 12 - N2 11 - ~ ,o 2 10 - f O / a I~ 4 en f E l 2 2 8- / e w 9 s' ) E* / s' 7_ O h / U m ,s 6-y ,/ s 9 ,/ S-w ,s 9 I' o / / tr 4- .O l ,f Jy 3-f / 2-j 1' ', s l-y O .x 0 1 2 3 4 5 6 7 8 9 10 il 12 13 14 15 STATION 7 l CHLORIDE 10N CONCENTRATION (MG/L ) R E GR E S SION EQUATION ( y s 1.1 +.795x) 95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o VERMONT YANKE E CLOSED CYCLE OR NOT OPERATING,1982 FIGURE 4.7 <

COMPARISON OF OBSERVED STATION 3 ALKALINITY CONCENTRATIONS WITH STATION 3 CONCENTRATIONS PREDICTED FROM PREOPERATIONAL / CLOSED CYCLE DATA, STATIONS 7 AND 3,1967 - 74 / s0 - l i l l / j 40 - s' s l / / / / / ] / / s' / ~$o / m. / t / o / w f f l 2 / ,/ f ( / d= l s' x 20 - f Y I / l / v IO - I 0 i* ( i i a O 10 20 30 40 50 STATION 7 ALK ALINITY (MG/L) REGRE SSION EQUATION ( y 4.9 +.844 a ) 95 % CONFIDENCE LIMITS FOR PREDICTED y VALUES VERMONT YANKEE OPEN CYCLE,1982 o VERMONT YANMEE CLOSED CELE OR NOT OPERATING,1982 e FIGURE 4.8 TABLE 4.1-1 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JANUARY 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 14.1 2000 12.6 1300 13.5 7.5 7.3 2 14.1 0100 12.7 0900 13.7 7.5 7.4 3 13.7 0130 12.4 1200 13.3 7.5 7.3 4 13.9 2200 12.6 1000 13.5-7.4 7.3-5 13.8 1330 13.5 0200 13.7 7.4 7.3 6 13.8 2030 13.6 1100 13.7 7.5 7.4 7 13.8 0500 13.6 1400 13.7 7.5 7.4 8 13.7 0230 13.4 1530 13.6 7.5 7.3 L 9 13.9 2330 13.5 1530 13.7 7.5 7.3 ? 10 13.9 0330 13.5 1500 13.7 7.5 7.3 11 13.9 1800 12.6-0900 13.6 7.4 7.2 12 13.9 2000 12.7 0800 13.7 7.5 7.3 13 14.0 2300 12.8 0900 13.8 7.4 7.3 14 14.1 1600 13.1 0700 13.8 7.4 7.2 15 14.1 1800 13.8 0800 14.0 7.5 7.4 16 14.0 0000 13.1 1000 13.7 7.5 7.3 17 13.9 0200 13.0 1100 13.6 7.4 7.3 18 13.8 1900 13.0 0800 13.6 7.4 7.2 19 14.1 1400 12.7 0900 13.8 7.3 7.2 20 14.1 1700 13.1 0800 13.9 7.3 7.2 21 14.1 1600 13.3 0800 13.9 7.4 7.2 22 14.1 2030 13.3 0900 13.9 7.3 7.2 23 14.4 2400 13.1 1100 13.9 7.3 7.2 24 14.4 0300 13.0 1800 13.7 7.3 7.1 25 No Valid Data No Valid Data 26 27 28 29 7.3 7.2 30 13.7 1800 12.7 0930 13.4 7.3 7.2 31 No Valid Data Sensor 8n?pe89RAwm

_= TABLE 4.1-2 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 FEBRUARY 1982. DISSOLVED OXYGEN (MG/L) pH - Day Maximum Time Minimum Time Mean Maximum Minimum 1 No Valid Data-Sensor Inoperative 2 12.9 0100 11.9 .0900 _12.6 3 12.6 0200 11.8 0700 12.4 4 12.4 0030 11.7 0700-12.2 5 Chart Drive Motor Inoperative Chart Drive Motor 6 Inoperative 7 8 a a a a = b 9 a a a a a l y 10 a a a a a 11 14.4 1800 13.7 0200 14.0 7.4, 7.2 12 14.6 1900 13.8~ 0530 14.3 7.4 7.1 13 14.5 0100-14.3 0830 14.4 7.3 7.1 14 14.6 1800 14.1 1000 14.3 7.3 -7.1 15 14.5 1930-14.0 0730 14.2 7.3 7.1 16 14.4 1030 14.0 0330 14.2 7.2 7.0 17 14.1 1500 13.7 0800 '14.0-7.2 7.0 18 14.1 1800 13.0 0830 13.8-7.2 7.0 19 13,9 1630 13.0 0730 13.7 7.1 6.9 20 13.9 0130 12.8 0900 13.7 7.1 6.9 21 13.8 0430 12.5 1200 13.5 7.1 6.9 22 13.6 0430 12.3 0800 13.3 7.0 6.9 23 13.3 0030 12.4 0830 13.1 7.0 6.9 24 13.2 0030 12.0 0800 12.8 7'.0 6.9 25 13.0 0100 26 13.1 2000 12.3 0430 12.6 7.1

6. 9 -

12.1 0800 12.8 7.1 6.9 27 13.3 2100 12.6 1800 13.1 7.1 6.9 28 13.4 0100 12.3 1230 13.0 7.0 6.9

4 i TABLE 4.1-3 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 MARCH 1982 DISSOLVED OXYGEN (MG/L) pH d Day Maximum Time Minimum Time Mean Maximum Minimum 1 13.5 0000 12.5 0830 13.2 7.1 6.9 2 13.8 0030 12.8 0830 13.4 7.0 6.8 3 13.9 1830 13.0 0830 13.7 7.1 6.9 4 13.6 1500 12.8 0830 13.4 7.2 7.0 5 13.6 0030 12.8 1630 13.3 7.2 7.0 6 13.3 0030 12.3 0830 13.0 7.1 7.0 7 13.3 1930 12.2 1130 13.0 7.1 7.0 8 13.4 0100 12.2 0800 13.1 7.1 6.9 5 9 13.3 0100 12.5 0730 13.1 7.1 6.9 10 13.3 0300 12.5 0730 13.2 7.2 6.9 11 13.5 2330 12.6-0730 13.3 7.3 7.2 12 13.3 2030 12.7 0730 13.1 7.3 7.2 13 13.4 2000 13.0 0830 13.3 7.3 7.2 14 13.5 2300 13.3 1400 13.4 7.3 7.2 15 13.5 2400 13.3 1500 13.4 7.2 7.1 16 13.8 1930 13.5 0030 13.7 7.2 7.0 17 14.0 1130 13.8 0000 13.9-7.3 7.1 18 13.9 0100 13.7 1200 13.8 7.2 7.1 19 14.0 1830 13.9 1300 14.0 7.3 7.1 20 14.0 1900 13.9 1100 14.0 7.3 7.2 21 No Valid Data 7.3 7.2 22 7.3 7.2 23 13.8 2330 13.6 0930 13.7 7.3 7.1 i 24 13.8 1800 13.7 0100 13.8 7.1-7.0 25 13.9 1930 13.7 0330 13.8 7.2 7.0-26 No Valid Data 7.2 7.0 27 7.2 7.0 28 7.2 7.0 29 14.9 14.9 14.9 7.1 7.0 30 14.9 14.9 14.9 7.2 7.0 31 14.9 14.9 14m0 Ts2 Won

l TABLE 4.1-4 ' DISSOLVED OXYGEN AND pH DATA-VERMONT YANKEE SAMPLE STATION NO. 3 l APRIL 1982 DISSOLVED OXYGEN (MG/L) EH Day Maximum Time Minimum Time Mean Maximum' Minimum 1 14.9 14.9 14.9 7.3 7.1 2 14.9 14.9 14.9 7.3 7.1 i 3 No Valid Data 7.3 7.0 4 7.1 7.0 5 14.9 1400 14.6 2200 14.7 7.2 7.1 6 14.9 1200 14.6 0000 14.8-7.3 7.1 3 7 No. Valid Data 7.4 7.2 8 7.2 7.0 1 9 14.1 0930 13.9 1600 14.0 7.2 7.0 y 10 14.0 0400 13.7 1730 13.8 7.2 7.1 i 11 No' Valid Data. 7' 2 7.1 12 7.3 7.1 13 13.5 0430 13.3 1200 13.4 7.3 7.2 14 13.6 0800 13.4 2400 13.5 7,3 7.1 15 13.5 2000 13.3 1100 13.4 7.2 7.1 16 13.4 0000 13.2 1800 13.3 7.2 7.1 17 13.3 1500 12.9 2300 13,1 7.2 7.1 18 No Valid Data 7,2 .7. 0 19 7.1 '7.0 20 7.1 7.0 21 7.2 7.0' 22 7.2 7.0 23 7.2 6.9 24 7.1 6.9 25 Pump Inoperative Pump Inoperative 26 27 28 No Valid Data 7.0 6.8 29 6.9 6.8 30 6.9 6.8 e.

O TABLE 4.1-5 DISSOLVED OXYGEN AND pH DATA i VERMONT YANKEE SAMPLE STATION NO. 3 MAY 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 No Valid Data 7.0 15.;8 2 7.1 6.9 3 7.1 7.0 4 7.1 7.0 5 7.1 6.9 6 12.0 1130 11.5 2400 11.8 7.2 7.0 7 12.2 0000 12.0 1130 12.1 7.2 7.0 8 No Valid Data 7.2 7.0 9 7.1 7.0 m 10 7.2 7.0 7 11 7.2 7.0 12 7.2 7.0 13 11.2 0330 10.5 1700 10.8 7.2 7.0 14 11.1 0430 10.5 1430 10.8 7.1 7.0 15 10.9 0900 10.5 1830 10.7 7.1 7.0 16 10.7 0330 10.2 1030 10.5 7.1 7.0 I 17 10.6 1100 10.0 1630 10.3 7.2 7.0 18 10.5 1200 10.2 2400 10.4 7.2 7.0 1 19 10.6 0730 9.8 1730 10.2 7.3 7.1 20 10.2 0730 9.7 2300 10.0 7.3 7.1 21 9.8 0830 9.6 1500 9.7 7.3 7.1 22 10.1 1130 9.7 0030 9.9 7.3 7.1 23 10.0 2200 9.7 0700 9.8 7.3 7.1 24 10.1 1530 9.8 1000 9.9 7.3 7.1 25 10.2 2000 10.0 0600 10.1 7.3 7.1 26 10.1 0030 9.8 1830 9.9 7.4 7.1 27 10.0 0000 9.6 1400 9.8 7.4 7.1 28 9.8 0000 9.4 0830 9.6 7.4 7.1 29 9.7 0300 9.4 1130 9.6 7.4 7.2 30 9.8 1830 9.3 0800 9.6 7.4 7.2 31 9.7 2030 9.3 0500 9.5 7.5 7.2

TABLE 4.1-6 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JUNE 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 9.8 1600 9.4 0600 9.6 7.5 7.3 2 10.0 0000 9.5 2400 9.8 7.5 7.3 3 9.7 1730 9.4 0700 9.5 7.5 7.2 4 9.8 1900 9.5 1200 9.7 7.5 7.3 5 9.7 0000 9.4 1100 9.5 7.5 7.2 6 10.1 2130 9.5 0000 9.9 7.3 7.1 7 9.9 2400 9.7 0600. 9.8 7.2 7.1 8 10.2 2300 9.9 0500 10.1 7.3 7.1 5 9 10.3 0430 9.9 1630 10.1 7.3 7.1 y 10 9.9 2230 9.7 1230 9.8 7.3 7.1 11 9.9 0100 9.5 2230 9.7 7.3 7.0 12 9.8 1630 9.5 0530 9.6 7.3 7.1 13 9.6 2030 9.4 0830 9.5 7.3 7.2 14 9.8 1930 9.4 0930 9.6 7.3 7.1 15 9.8 2030 9.6 1030 9.7 7.4 7.2 16 9.7 0030 9.5 0830 9.6 7.4 7.2 17 9.5 1630 9.2 0500 9.3 7.5 7.2 18 9.6 1400 9.1 0200 9.3 7.6 7.3 19 9.4 0000 9.2 2400 9.3 7.6 7.4 20 9.5 1830 9.0 0600 9.2 7.6 7.4 21 9.3 2230 9.0 0530 9.2 7.5 7.3 22 9.6 2000 9.1 0600 9.3 7.6 7.4 23 9.6 1800 9.3 0600 9.4 7.6 7.4 24 9.7 1800 9.3 0600 9.5 7.6 7.4 25 9.8 2200 9.4 0400 9.6 7.6 7.4 26 10.0 1800 9.8 0100 9.9 7.6 7.4 27 9.9 1900 9.6 0500 9.7 7.7 7.4 28 10.0 1930 9.3 0530 9.5 7.8 7.3 29 9.6 1500 9.2 2400 9.4 7.6 7.4 30 9.5 1500 9.2 0000 9.3 7.5 7.2

TABLE 4.1-7 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 JULY 1982 DISSOLVED OXYGEN (MG/L) gli Day Maximum Time Minimum Time Mean Maximum Minimum 1 No Valid Data 7.3 7.1 2 7.4 7.1 3 8.8 1830 8.4 1030 8.6 7.5 7.2 4 9.0 2100 8.3 0400 8.7 7.6 7.2 5 9.4 1900 8.6 0600 9.0 7.9 7.3 6 9.1 0000 8.2 2400 8.6 7.6 7.3 7 8.4 1930 7.9 0600 8.2 7.6 7.2 8 9.4 2030 8.0 0600 8.7 8.0 7.3 5 9 9.4 1630 8.7 0600 9.0 8.0 7.5 f 10 Pump Inoperative Pump Inoperative 11 12 13 14 15 16 8.8 1730 8.3 0700 8.5 7.4 7.0 17 8.8 1730 8.3 0630 8.5 7.4 7.0 18 8.6 2130 8.0 0630 8.3 7.4 7.1 19 8.7 1600 7.8 0600 8.3 7.6 7.1 20 7.9 0000 7.1 2400 7.5 7.3 6.9 21 7.2 1800 6.9 0700 7.0 7.1 6.9 22 7.4 1900 6.8 0730 7.1 7.2 7.0 23 7.5 1830 6.8 0530 7.1 7.3 7.0 24 7.5 1730 6.9 0700 7.2 7.4 7.0 25 7.4 1830 7.0 0630 7.2 7.3 7.1 26 7.1 1330 6.6 2230 6.9 7.3 7.0 27 8.0 1700 6.8 0200 7.4 7.5 7.1 28 7.9 0000 7.2 2400 7.5 7.3 7.1 29 7.2 0000 6.5 2400 6.9 7.2 7.1 30 7.0 1800 6.4 0600 6.7 7.2 7.1 31 7.5 2030 6.6 0600 7.1 7.3 7.1

TABLE 4.1-8 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 AUGUST 1982 t DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 7.5 2200 6.8 0630 7.1 7.4 7.1 2 7.6 1630 7.2 2300 7.4 7.3 7.1 3 7.3 1500

7. 0.

2400 7.1 7.3 7.1 4 7.5 1630 7.0 0500 7.2 7.3 7.0 5 7.5 1800 6.9 0700 7.2 7.3 7.0 6 7.6 1930 7.2 0800 7.4 7.4 .7.2 7 7.3 1500 7.1 0730 7.2 7.3 7.1 - 8 7.2 0000 6.8 0730 7.0 7.3 7.1 9 No Valid Data-7.4 7.1 E 10 7.5 1630 7.0 0700 7.2 7.3 7.1 y 11 7.5 1830 6.9 0630 7.2 -7.3' 7.1 12 7.7 2030 7.1 0430 7.4 7.3 7.2 13 7.6 0000 7.3 2400 7.5 7.3 7.1 i 14 7.4 1830 7.1 0800 7.2 7.2 7.1 15 7.6 1500 7.3 0600 7.4 7.3 7.1-16 8.1 1400 7.4 0600 7.7 7.4 7.1 17 8.0 1800 7.5 1100 7.7 7.4 7.1 18 7.7 1830 7.3 0600 7.5 7.3 7.1 19 7.6 1030 7.3 2400 7.5 7.3 .7.1 20 7.5 1800 7.2 0630 7.3 7.2 7.1 21 7.9 1730 7.2 0700 7.5 7.3 7.1 22 8.2 1800 7.6 0700-7.9 7.5' 7.3 23 8.2 1700 7.9 0000 8.1 7.5 7.3 24 No Valid Data 7.6 7.3 25 7.5 7.3 26 7.5 7.3 27 7.5 7.3 28 7.5 7.3 29 7.5 7.4 30 7.5 7.4 31 7.5 7.4 1

TABLE 4.1-9 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 SEPTEMBER 1982 DISSOLVED OXYGEN (MG/L) M Day Maximum Time Minimum Time Mean Maximum Minimum 1 No Valid Data 7.5 7.3 2 Pump Inoperative Pump Inoperative } 99 n H 4 5 6 7 8 9 10 f 11 12 13 14 15 9.0 1700 8.6 0600 8.8 7.6 7.2 16 8.8 0000 8.3 2400 8.5 7.5 7.2 17 8.5 1630 8.2 0530 8.4 7.3 7.1 18 8.4 1300 8.1 0700 8.3 7.3 7.1 19 8.6 2200 8.0 0600 8.3 7.2 7.1 20 8.6 1730 8.3 0600 8.4 7.2 7.0 21 8.6 1630 8.3 0700 8.5 7.1 6.9 22 8.5 1430 8.3 2330 8.4 7.1 6.9 23 8.3 0000 8.1 1230 8.2 7.0 6.8 24 8.4 1730 8.1 0600 8.3 7.1 6.9 25 8.6 1700 8.3 0230 8.5 7.2 7.1 26 8.7 1700 8.4 0730 8.6 7.3 7.2 27 8.7 1100 8.5 2400 8.6 7.3 7.2 28 8.7 2000 8.4 0500 8.5 7.3 7.2 29 8.7 1430 8.5 0630 8.6 7.4 7.3 30 8.7 1030 8.4 2230 8.6 7.4 7.2

TABLE.4.1-10' DISSOLVED. OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 OCTOBER 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 9.0 1830 8.3 0730 8.7 7.5 7.3 2 9.3 1630 8.7 0530 9.0 7.6 7.3 3 9.2 1630 8.6 0600 8.9 7.6 7.4 4 9.1 1730 '8.7 1100 8.9 7.6 7.4. 5 9.4 1630 8.7 0700 9.0 7.7 7.4 6 9.5 1730

8. 9 '

0730 9.2 7.7 7.4 7 9.9 1530 9.3 0800 9.5 7.9 7.6 8 9.7 2300 9.5 0900 9.6 7.6 7.5 E 9 9.8 2130 9.6 '0730 9.7 7.5 7.4 y 10 9.9 1630 9.6 0830 9.7 7.6 7.4 11 9.9 2000 9.7 0800 9.8 7.6 7.4 12 9.8 0000 9.6' 2400 9.7 7.5' 7.4 13 9.8 2000 9.6- '0730 9.7 7.5. 7.3 14 9.9 1500 9.7 0600 9.8 7.6 7.41 15 9.8 1630 9.6 0630 9.7 7.6 7.4 16 9.8 1630 9.5 0700 9.6 7.6 7.4 r 17 9.6 1600 9.4 0830 9.5 7.7 7.4 18 9.7 1630 9.4 0630 9.5 7.6 7.4 19 9.7 1900 9.2 0830 9.4 7.4 7.3 20 9.7 1630 9.4 0930 9.5 7.5 7.3 21 10.0 1700 9.5 0800 9.7 7.5 7.4 22 10.2 1630 9.5 0730 9.8 7.4 7.3 23 10.1 0400 9.8 2400 9.9 7.5 7.3 24 9.8 1630 9.7 0730 9.7 7.4 7.3 I 25 9.9 2400 9.6 1200 9.7 7.4 7.2 26 10.2 1830 9.7 1000 9.9 7.4 7.3 27 10.2 2030 9.9 1030 10.0 7.4 7.2 28 10.1 0330 9.9 2400 10.0 7.5 7.3 29 10.0 1530 9.8 2400 9.9 7.5 7.3 30 10.0 1630 9.7 0500 9.8 7.5 7.3 31 9.9 1800 9.7 0700 9.8 7.4 7.3 p t

TABLE 4.1-11 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 3 NOVEMBER 1982 DISSOLVED OXYGEN (MG/L) pij Day Maximum Time Minimum Time Mean Maximum Minimum 1 10.3 1600 9.8 0500 10.0 7.5 7.3 2 10.3 2030 9.9 0930 10.1 7.4 7.3 3 10.5 2230 9.8 0930 10.1 7.4 7.2 4 10.6 1600 10.0 0900 1G.3 7.5 7.3 5 10.5 1700 9.8 0930 10.3 7.5 7.4 6 10.5 2000 10.3 0130 10.4 7.4 7.3 7 10.5 0200 10.4 0900 10.4 7.4 7.3 8 11.1 2400 10.5 0000 10.8 7.4 7.2 i 9 11.2 2000 11.1 1300 11.1 7.4 7.3 10 11.2 0000 10.6 0830 11.0 7.4 7.2 I 11 11.0 0000 10.4 1130 10.7 7.3 7.2 12 10.9 2400 10.2 1000 10.7 7.3 7.1 13 11.1 2400 10.4 0830 10.8 7.3 7.2 14 11.2 2400 10.9 0800 11.0 7.2 7.1 15 11.3 0600 10.6 1730 11.0 7.2 7.1 16 11.3 2200 10.6 0830 11.0 7.2 7.1 17 11.3 2200 10.8 0830 11.0 7.2 7.0 18 11.5 2000 11.0 0830 11.2 7.2 7.1 19 11.6 2000 10.9 0900 11.3 7.3 7.2 20 11.5 2100 11.0 1030 11.2 7.3 7.2 21 11.4 0000 10.9 1230 11.1 7.3 7.2 22 11.4 1530 11.0 0900 11.2 7.3 7.2 23 11.5 2400 11.2 0600 11.3 7.2 7.1 24 11.7 2330 10.8 0930 11.4 7.3 7.1 25 11.6 2100 11.1 0930 11.4 7.3 7.2 26 11.7 2000 11.0 0830 11.5 7.3 7.2 27 12.1 2230 11.1 0930 11.7 7.4 7.2 28 12.3 2400 11.5 1130 12.1 7.4 7.3 29 12.5 1200 12.2 1700 12.4 7.4 7.3 30 12.3 0000 11.3 1000 12.0 7.4 7.3

t j TABLE 4.1-12 DISSOLVED OXYGEN AND pH DATA l VERMONT YANKEE SAMPLE STATION NO. 3 DECEMBER 1982 4 1 5 DISSOLVED OXYGEN (MG/L) pH _ Day Maximum Time Minimum Time Mean Maximum Minimum t i 1 12.2 2200 11.5 0930 12.0 7.4 7.3 2 12.4 2000 11.5 0930 12.2 7.5 7.3 3 12.3 0000 11.7 0800 12.1 7.4 7.3 4 4 12.3 1030 12.0 0330 12.2 7.4 -7.3 5 12.3 2300 11.7 0900 12.1. 7.4 7.3 6 12.4 0130 11.6 0830 12.1 7.4 7.2 7 12.1 0200 11.3 0930 11.9 7.4 7.3 i 8 12.0 2230 11.2 0830 11.8 7.3 7.2 a 9 12.3 2300 11.3 0930 11.9 7.5 7.2 t i e 10 12.3 2300 11.6 0800 12.1 7.5 7.3 11 12.4 0100 11.4 1830 11.9-7.4 7.3 12 12.4 0430 11.5 2200 11.9 7.4 7.3 13 13.0 2300 11.6 0830 12.4 7.5 7.3 l 14 13.0 0000 12.0 0900-12.6-7.5 7.4 a 15 13.0 2400 12.0 1630 12.4 7.4 7.3 16 13.2 2330 12.6 0930 12.9 7.5 7.3 i i 17 13.4 2330 13.1 1300 13.2 -7.5 7.4 l 18 13.7 0730 13.4' 1400 13.5 7.6 7.4 19 13.6 2130 13.2 0800 13.4 7.5 7.4 h 20 13.6 2200 13.4 0330 13.5 7.5 7.4 21 13.6 2030 13.4 0700 13.5 7.4 7.3 22 13.7 1830 13.4 0730 13.5 7.5 7.4 23 13.7 0230 12.6 0800 13.4 7.5 7.4 24 13.6 0030 12.5 0930 13.3 7.5. 7.3 [ 25 13.5 2230 12.5 1100 13.2 7.4 7.3 l 26 13.5 2000 12.9 0900 13.3 7.4 7.3 27 13.7 2200 13.5 0130 13.6 7.5. 7.4 28 13.6 0130 13.5 2400 13.6 7.5 7.4 29 13.5 0000 13.3 1700-13.4 7.5 7.4 l 30 13.7 2330 13.3 1200 13.4 7.6 7.4 l 31 13.6 0100 13.4 1500 13.5 7.5 7.4 i l.

t TABLE 4.2-1 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JANUARY 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum ' Minimum 1 Pump Inoperative Pump Inoperative 2 3 4 5 6 Sensor Inoperative 7.3 7.2 7 7.3 7.1 8 7.3 7.2 1 9 7.3 7.2 ? 10 Pump Inoperative Pump Inoperative 11 12 13 No Valid Data 7.2 7.1 14 7.3 7.2 15 7.3 7.1 16 13.9 0600 13.4 2400 13.7 7.2 7.1 17 13.7 0300 13.4 2400 13.6 7.2 7.1 18 13.4 0000 13.1 2400 13.3 7.1 7.0 19 13.3 0300 13.1' 1600 13.2 7.1 7.0 20 13.3 0430 13.1 1500 13.2 7.1 7.0 21 13.3 0330 13.1 1300 13.2 7.1 7.0 22 13.4 0500 13.2 2200 13.3 7.1 6.9 23 13.3 0130 13.2 1930 13.3 7.1 7.0 24 13.4 0000 13.2 2130 13.4 7.0 6.9 25 13.5 0300 13.0 2400 13.3 7.0 6.9 26 13.3 1400 13.1 0000 13.2 7.0 6.9 27 13.3 0500 13.1 2100 13.2 7.0 6.9 28 13.3 0730 12.9 1900 13.1 7.0 6.9 29 13.3 1530 12.9 0100 13.1 7.0 6.9 30 13.1 1630 12.8 0730 13.0 7.0 6.9 31 13.4 0400 13.0 2000 13.2 7.0 6.9

TABLE 4. 2' DISSOLVED OXYGEN AND pH DATA VERMONT. YANKEE SAMPLE STATION.NO. 7 FEBRUARY 1982 ~., .f -r. f' ~ DISSOLVED OXYGEN (MG/L) pH y . __ Day Maximum Time Minimum Time ~' Mean Maximum Minimum 1 13.7 0830 13.3 2000 13.5 7.0 76.8,1 ~ 2 13.5 0230 '- 13.1 2130 13.3 7.0 cL 6'.9? 3 13.5 2200 13.2 1000 13.3 7.0 6.9 s 4 13.6 2200 13.3 1100 / 13.4 6.9 -6.8 5 13.6 0300 13.4 1400 13.5 6.9 6.8 6 14.0 2000 13.5 0000 13.7 6.9 6.8 7 14.0 0800 13.7 2300 13.8 7.0 6~.'8 - 8 13.9 0730' 13.5. 2400 .13,.7 ,- 7 0, __. 6.8-6.8 o 9 13.8 2230 13.4 0600 13.6 . 6.9 ~~ Y 10 14.0 2400 13.8 0900 13.9

7. 0.

6.9 11 14.1 0300' 13.9 1300 14.0 7. 0.., 6.9 12 14.2 0430 13.7 2400 13.9 7.0-6.9 13 13.9 0230 13.7 2400 13.8 7.0 6.9 14 13.7 0700 13.5 2300 13.6 7.0 6.9 15 13.6 0000 13.4 1930 13.5 7.0 6.8 16 13.6 0000 13.4 1600 13.5 6.9 6.8 17 13.5 0000 13.3 2200 .13.4 6.9 6.8 18 13.6 2230 13.4 0000 13.5 6.9 6.8 19 13.8 2300 13.6 1100 13.7 6.9 6.8 20 13.8 2000 13.6 1200 13.7 6.9 6.8 21 13.8 0730 13.5 2130 13.7 6.9 6.8 22 13.7 0400 13.2 2200 13.5 6.9 6.8 23 13.4 1200 13.2 0000 13.3 7.0 6.8 24 13.4 0600 13.2 0130 13.3 7.0 6.9 25 13.3 0230 .13.0 2300 13.2 7.0 6.9 26 13.2 2100 13.0 0000 13.1 7.0 6.9 27 13.2 1730 13.0 2200 13.1 7.0 6.9 28 13.2 0600 13.0 1900 13.1 7.0 6.9

TABLE 4.2-3 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 MARCH 1982 DISSOLVED OXYGEN (MG/L) pil Day Maximum Time Minimum Time Mean Maximum Minimum l 1 13.1 0400 12.9 1000 13.0 7.0 6.9 2 13.3 1900 13.1 1000 13.2 6.9 6.9 3 13.4 0430 13.2 1430 13.3 7.0 6.9 4 13.5 1600 13.2 0900 13.4 7.1 6.9 5 13.7 1400 13.4 0430 13.6 7.0 6.9 6 13.7 2330 13.5 0500 13.6 7.1 6.9 7 14.1 2300 13.7 0100 13.9 7.0 6.9 4 8 14.1 0400 13.5 2130 13.8 7.0 6.9 v 9 13.6 0600 13.3 2130 13.5 7.0 6.9 10 13.7 1930 13.4 0100 13.6 7.1 6.9 11 13.9 1700 13.5 0600 13.7 7.0 6.9 12 13.9 0230 13.7 2400 13.8 7.0 6.9 13 13.8 1530 13.6 0830 13.7 7.0 6.8 14 13.7 0200 13.3 2300 13.5 6.9 6.7 15 13.6 2230 13.2 0600 13.4 7.0 6.7 16 14.0 2400 13.5 0400 13.7 7.0 6.9 17 14.1 0800 13.6 2400 13.9 7.0 6.9 18 13.6 0000 13.2 2400 13.4 6.9 6.B 19 13.7 2400 13.3 0100 13.5 6.9 6.8 20 13.7 2330 13.6 0600 13.7 7.0 6.9 21 13.9 2400 13.7 0000 13.8 7.0 6.9 22 14.0 0600 13.7 2400 13.8 7.0 6.9 23 13.7 0000 13.3 2300 13.5 7.0 6.9 24 13.4 0700 13.2 2200 13.3 7.0 6.9 25 13.6 0530 13.2 2130 13.4 7.0 6.9 26 13.7 2400 13.1 0130 13.3 7.0 6.8 27 14.3 1200 13.7 0000 14.0 7.1 6.9 28 14.3 1300 14.0 0100 14.2 7.1 7.0 29 14.3 1500 14.1 0130 14.2 7.1 7.0 30 14.3 1600 14.0 2400 14.2 7.2 7.0 31 14.5 2330 13.9 0330 14.2 7.2 7.0

TABLE 4.2-4 DISSOLVED OXYGEN AND.pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 APRIL 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 14.9 2400 14.6 0100 14.8 7.2 7.0 2 14.9 14.9 -14,9 7.1' '6.9 3 14.9 1230 14.7 2000 14.8 7.0 6.9 4 14.9 0200 14.4 1900 14.7 7.0 6.9 5 14.7 1630 14.5 0100 14.6 7.1 6.9 6 14.6 0130 14.2 2100 14.4 7.1 7.0 1 7 14.4 2400 14.2 0500 14.3 7.2 7.0 8 No Valid Data -7.1 7.0 1 9 14.3 1530 14.0 1000 14.2 7.2 7.0 w 10 14.2 0000 13.8 2400 14.0 7.2 7.0 11 13.8 0000 13.5 2400 13.7 7.1 7.0 12 13.5 0000 13.3 2400 13.4 7.1 7.0 13 13.5 2030 13.2 0900 13.4 7.1 7.0 14 13.5 0230 13.3 2400 13.4 7.2 7.0 15 13.5 1500 13.1 2400 13.3 7.2 7.0 16 13.4 1530 13.1-0500 13.3 7.2 7.1 17 HNo Valid Data 7.2 7.0 18 7.2 6.9 19 7.1 6.9 20 7.0 6.9 21 7.0 6.9 22 14.8 2400 14.3 0100 14.5 7.0 6.8 23 No Valid Data 7.0 6.9 24 14.9 1030 14.6 1800 14.7 7.0 6.8 25 14.9 0800 14.2 1830 14.6 7.0 6.9 26 14.4 0400 13.7 2330 14.0 . 7. 0 6.9 27 13.7 0000 13.4 2400. 13.6 7.0 6.9 28 13.7 1130 13.4 2400 13.5 6.9 6.7 29 13.3 0100 13.0 1830 13.1 6.9-6.7 30 13.2 1530 12.9 0200 13.1 6.9 6.8

TABLE 4.2-5 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 MAY 1982 l DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 13.0 1000 12.4 2400 12.7 7.0 6.9 2 12.4 0000 11.8 2330 12.1 7.0 6.9 i 3 12.0 0930 11.7 2400 11.8 7.0 6.9 l 4 11.7 0000 11.5 1830 11.6 7.1 6.9 l 5 11.6 0730 11.4 2230 11.5 7.1 6.9 l 6 11.6 1030 10.9 2400 11.3 7.1 6.9 7 10.9 0000 10.6 2400 10.8 7.0 6.9 1 8 10.6 0100 10.4 2130 10.5 7.1 7.0 9 10.6 0400 10.3 2400 10.4 7.1 7.0 1 10 10.5 0530 10.3 1300 10.4 7.1 7.0 ^ 11 10.6 0200 10.4 1300 10.5 7.1 7.0 12 10.7 1730 10.5 0330 10.6 7.1 7.0 13 10.7 0330 10.4 1600 10.5 7.1 7.0 14 10.5 1300 10.1 2300 10.3 7.1 7.0 15 10.1 1300 9.7 2400 9.9 7.1 6.9 16 10.0 2300 9.6 0630 9.8 7.1 7.0 17 10.2 2330 9.6 0500 9.9 7.2 7.0 18 10.2 0000 9.7 1500 9.9 7.3 7.0 19 9.9 0130 9.6 2400 9.7 7.3 7.1 20 9.9 2030 9.5 0900 9.7 7.4 7.2 21 9.7 0000 9.2 0800 9.4 7.5 7.2 22 9.5 0030 9.2 2400 9.3 7.4 7.2 23 9.2 0000 9.0 2300 9.1 7.4 7.3 24 9.4 2100 9.0 0130 9.2 7.3 7.2 25 9.8 1930 9.3 0100 9.5 7.3 7.2 26 10.0 1630 9.5 0400 9.7 7.3 7.2 27 10.0 1800 9.7 2300 9.8 7.3 7.2 28 10.0 2030 9.5 0700 9.7 7.4 7.3 29 10.1 2230 9.6 1600 9.8 7.4 7.2 30 10.6 1630 10.0 0000 10.3 7.4 7.2 31 10.4 0000 9.9 1700 10.2 7.3 7.2

TABLE 4.2-6 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JUNE'1982-DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 10.0 0230 19.5 1130 9.8 7.4 7.2 2 9.9 2000 9.6 1130 9.7 7.4 7.2 3 9.6 0030 9.0 1200 9.3 7.4 7.2 4 1 9.4 1800 9.0 2400 9.2 7.6 7.3 5 9.0 0000 8.8 2200 8l. 9 7.4 7.3 6 9.0 0130 8.7 2200 8.9 7.4 7.l' 7 8.9 0000 8.6 2400 8.8 7.2 7.1 i 8 8.8. 0730 8.5 1500 8.7 7.1 ,.0 E 9 8.8 0100 8.6 2300 8.7 7.1 7.0 t y 10 8.9 1900 8.6 0800 8.8 7.1 -7. 0 11 8.9 1830 8.4 1000 8.7 7.1 7.0 i 12 8.7 '500 8.5 0430 8.6 7.2 7.0- { 13 8.8 1400 8.3 1230 8.5 7.1 7.0 14 9.2 2000 8.5 0000 8.8 7.2 7.0 15 9.3 2130 8.7 0700 9.0 7.2 7.0 16 9.4 2200 9.0 1400 9.2 7.3 7.2 17 9.3 2230 9.0 1200 9.1 7.3 7.2 18 9.2 0100 8.8 1100 9.0 7.3 7.1 19 9.2 2000 8.6 1030 8.9 7.3 7.1 20 9.1 0130 8.9-2230 9.0 7.4 7.2 21 9.2 1900 8.8 1030 9.0 7.4 7.1 22 9.2 2400 8.8 1500 9.0 7.5 7.2 23 9.2 0000 9.0 1630 9.1 7.4 7.3 24 9.2 0000 l8. 5 1200 8.8 7.4 7.2 25 9.5 2030 8.5 0730 9.0 7.6 7.2 26 9.3 0000 8.7 -1000 9.0 _7.5 7.3 27 9.3 2300 8.4 1100 8.8 7.6 7.2 28 9.4 2400 9.1 0400 9.2 7.5 7.4 29 9.5 0300 9.1 2400 9.3 7.5 7.3 30 9.1 0000 8.8 1800 8.9 7.4 7.1

O TABLE 4.2-7 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 JULY 1982 DISSOLVED OXYGEN (MG/L) pli Day Maximum Time Minimum Time Mean Maximum Minimum 1 8.9 0600 8.4 2400 8.6 7.2 7.1 2 8.8 2200 8.2 0800 8.5 7.3 7.1 3 9.3 1500 8.7 0000 9.0 7.4 7.2 4 9.2 1830 8.8 0900 9.0 7.4 7.2 5 8.9 0030 8.1 1330 8.4 7.3 7.1 6 8.5 2400 7.8 1030 8.2 7.4 7.1 7 9.3 1930 8.3 0700 8.8 7.6 7.2 8 9.5 1300 9.0 0400 9.3 7.8 7.5 9 9.6 1700 9.1 0530 9.3 7.9 7.5 1 10 9.6 1530 9.1 2400 9.3 8.0 7.6 f 11 9.2 1600 8.8 1030 9.0 7.8 7.5 12 8.9 0030 8.2 2330 8.5 7.6 7.3 13 8.4 0430 7.8 1200 8.1 7.4 7.2 14 8.1 0100 7.6 1430 7.9 7.3 7.1 15 8.1 0130 7.4 1130 7.7 7.3 7.1 16 8.2 1800 7.6 1130 7.9 7.4 7.1 17 8.0 0900 7.3 2400 7.7 7.3 7.1 18 7.3 0100 6.7 2400 7.0 7.1 7.0 19 No Valid Data 7.2 7.0 20 6.7 1200 6.5 0230 6.6 7.1 7.0 21 7.4 1730 6.4 0900 6.9 7.4 7.0 22 7.4 1630 6.4 0830 6.9 7.4 7.1 23 7.3 0000 6.3 1600 6.8 7.4 7.1 24 7.0 0000 6.4 1800 6.7 7.3 7.1 25 No Valid Data 7.2 7.1 26 7.2 7.0 a 27 7.1 7.0 28 7.0 6.9 29 6.8 2000 6.3 1000 6.5 7.2 7.0 30 No Valid Data 7.1 7.0 31 7.2 6.9

TABLE 4.2-8 DISSOLVED-OXYGEN.AND pH DATA VERMONT. YANKEE SAMPLE STATION NO.! 7 AUGUST-1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean ' Maximum Minimum j 1 7.3 0000 7.0 2400 7.2 7.2 7.0 2 7.5 1530 7.0 1000 7.2 7.2 7.0 3 7.2 0000 6.6 1300 6.9 7.2 7.0' 1 4 7.6 2400 6.6 1330 7.2 7.2 7.1 5 7.7 1330 7.1 2400 7.3 7.4 7.1 6 7.1 0000 6.8 1300 7.0 7.3 7.2 7 No Valid Data 7.3 7.2 8 7.0 1700 6.8 0130 6.9 7.3 7.2 i 9 7.2 0330 6.6 1230 6.9 7.3 7.2 l $l 10 6.9 0100 6.7 2400 6.8. 7.3 7.2 I 11 No Valid Data 7.3 7.1 7.2 7.0 12 7.2 7.0 13 7.1 7.0 14 . 7.1 7.0 1 15 7.2 7.0 16 7.2 7.1 17 7.2 7.1 18 7.3 7.1 19 20 7.3 2100 6.7 0000 7.0 7.2 7.1 21 No Valid Data 7.3 7.1 L 22 7.1 0300 6.9 0300 7.0 7.2 7.0 23 7.2 2100 6.7 0500 7.0 7.3 7.1 24 7.6 1630 7.0 0730 7.3 7.5 7.2 25 No Valid Data 7.5 7.4 26 7.5 1600 7.2 1100 7.3 7.5 7.4 27 7.2 0000 7.0 1000 7.1 7.5 7.3 28 7.4 2400 16. 9 1630 7.1 7.4 7.3 29 7.7 2130 7.1 0900 7.3 7.5 7.3 30 7.6 2230 7.2 1030 7.4 7.5 7.2 31 8.1 2300 '2 1000 7.5 7.7 7.3

TABLE 4.2-9 1 DISSOLVED OXYGEN AND pH DATA i VERMONT YANKEE SAMPLE STATION NO. 7 l l SEPTEMBER 1982 DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 8.2 2400 8.0 0130 6.3 7.6 7.4 2 8.3 1500 8.0 0900 8.2 7.5 7.4 l 3 No Valid Data 7.6 7.4 4 8.3 2130 8.1 1000 8.2 7.5 7.4 l 5 8.2 0000 7.7 1930 7.9 7.4 7.3 6 8.3 1830 7.9 0000 8.1 7.4 7.3 l 7 8.7 1830 8.0 0100 8.3 7.6 7.4 8 8.7 0130 8.3 1730 8.5 7.6 7.5 E 9 8.7 1730 8.4 0000 8.5 7.6 7.4 y 10 8.7 1930 8.4 1100 8.5 7.5 7.4 11 8.7 0130 8.4 2400 8.6 7.5 7.3 12 No Valid Data 7.4 7.2 13 7.6 7.2 14 9.1 2030 8.6 1030 8.8 7.6 7.4 15 .9.4 0600 9.0 2200 9.2 7.5 7.3 16 9.3 1400 8.9 0900 9.1 7.4 7.3 17 9.0 0000 8.2 0930 8.6 7.4 7.2 18 No Valid Data 7.3 7.2 19 8.2 2330 7.8 0830 8.0 7.2 7.1 20 8.5 2100 7.9 0730 8.2 7.3 7.0 21 8.2 0000 7.8 1700 8.0 7.2 7.0 22 8.3 2100 7.9 1800 8.1 7.1 7.0 23 8.3 2000 7.9 0830 8.1 7.1 7.0 24 8.3 0000 7.8 1200 8.0 7.1 7.0 25 8.7 1230 8.1 2400 8.4 7.2 7.1 26 8.6 0730 8.1 1400 8.4 7.2 7.1 27 8.8 2230 8.3 0000 8.5 7.3 7.1 28 8.7 2300 8.3 1300 8.5 7.4 7.3 29 8.7 1600 8.4 0600 8.5 7.4 7.3 30 B.5 2030 8.1 1130 8.3 7.4 7.3

TABLE 4.2-10 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 OCTOBER 1982 i DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 8.6 1630 8.1 0900 8.3 7.4 7.3 2 8.8 2100 8.4 0800 8.6 7.5 7.3 3 8.8 2400 8.6 0300 8.7 7.5 7.3 4 9.3 1500 8.7 0830 9.0 No Valid Data 5 9.1 1830 8.8 0630 8.9 6 9.3 1800 9.0 1000 9.1 7.7 7.5 7 9.4 1230 9.0 0700 9.2 7.7 7.5 8 9.6 0100 9.2 1130 9.4 7.7 7.5 E 9 9.1 0000 8.8 2400 9.0 7.5 7.4 y 10 9.1 1100 8.7 1830 8.9 7.5 7.4 11 9.3 0100 9.0 1830 9.1 7.5 7.4 12 9.5 2200 8.9 0730 9.2 7.5 7.4 13 9.7 2330 9.3 0730 9.5 7.5 7.4 14 9.8 1900 9.3 1300 9.5 7.5 7.4 15 9.7 1000 9.3 2400 9.5 7.5 7.3 16 9.3 0200 9.0 2400 9.2 7.4 7.3 17 ' 9. 0 1030 8.8 0430 8.9 7.4 7.3 18 9.5 2030 8.9 0430 9.2 7.4 7.3 19 9.8 2030 9.3 1000 9.5 7.4 7.3 20 9.9 2130 9.6 1200 9.7 7.4 7.3 21 10.0 1730 9.7 0700 9.9 7.5 7.3 22 10.0 2000 9.7 0930 9.8 7.4 7.3 23 9.9 0000 9.7 0800 9.8 7.4 7.3 24 10.1 2330 9.7 0830 9.9 7.5 7.3 25 10.2 2330 8.9 0700 10.0 7.4 7.3 26 10.5 2100 10.2 0100 10.3 7.5 7.4 27 10.5 1230 10.3 1830 10.4 7.5 7.3 28 10.5 1300 10.2 0700 10.3 7.4 7.3 29 10.6 0430 10.2 1030 10.4 7.4-7.3 30 10.5 1900 10.3 1100 10.4 7.4 7.3 31 10.4 1600 10.2 2400 10.3 7.4 7.2

TABLE 4.2-11 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE SAMPLE STATION NO. 7 NOVEMBER 1982 DISSOLVED' OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 10.4 2030 10.2 0000 10.3 7.4 7.2 2 10.7 2300 10.3 0530 10.5 7.5 7.3 3 11.2 2230 10.4 1030 10.7 7.5 7.4 4 11.1 0300 10.5 2100 10.8 7.5 7.4 5 10.7 0400 9.6 2400 10.4 7.5 7.3 6 9.9 0130 9.6 2400 9.7 7.4 7.3 7 10.0 2400 9.5 0700 9.7 7.3 7.1 1 8 10.6 1300 10.0 0000 10.3 7.3 7.1 o 9 10.5 0000 10.1 2330 10.3 7.2 7.1 10 10.2 0300 9.9 1730 10.1 7.2 7.0 11 10.3 2130 10.0 0600 10.2 7.1 7.0 12 10.7 1930 10.1 0900 10.4 7.2 7.1 13 10.8 0530 10.5 1800 10.6 7.1 7.0 14 11.2 2200 10.8 0500 11.0 7.1 6.9 15 11.2 1930 10.9 0800 11.1 7.1 7.0 16 11.2 0300 10.9 1600 11.0 7.1 7.0 17 11.2 2400 11.0 0430 11.1 7.1 7.0 18 11.5 1600 11.2 0000 11.3 7.1 7.0 19 11.7 1600 11.3 0730 11.5 7.1 7.0 20 11.6 1000 11.3 1700 11.5 7.1 7.0 21 11.6 0700 11.3 1730 11.5 7.1 7.0 22 11.5 0100 11.2 1230 11.3 7.1 6.9 23 11.4 0030 11.0 1000 11.2 7.0 6.9 24 11.4 0730 10.9 2000 11.2 7.1 7.0 25 11.1 2300 10.9 1300 11.0 7.1 7.0 26 11.3 2130 11.0 0900 11.1 7.2 7.0 27 11.6 2330 11.2 0930 11.4 7.2 7.1 28 12.1 2330 11.6 0930 11.9 7.3 7.2 29 12.2 0300 11.9 1830 12.1 7.2 7.1 30 12.1 0100 11.6 2200 11.8 7.2 7.1

F -TABLE 4.2-12 DISSOLVED OXYGEN AND pH DATA VERMONT YANKEE' SAMPLE STATION NO. 7. DECEMBER 1982 L DISSOLVED OXYGEN (MG/L) pH Day Maximum Time Minimum Time Mean Maximum Minimum 1 12.1 2330 11.7 0800 11.9 7.2 7.1 2 12.1 0200 11.7 2200 11.9 7.1 7.0 3 12.1 2400 11.7 1030 11.9 7.1 7.0 4 12.2 0200 11.8 2000-12.0 7.1 6.9: 5 12.2 1530 11.7 0900 12.0 7.1 6.9' 6 12.2 0630 11.7 2400 11.9 7.1 7.0 7 11.7 0000 11.3 1830 11.5-7.1 7.0 i 8 11.6 2300 11.2 1000 11.4 7.1 7.0 9 11.8 1230 11.6 0000 11.7 7.2 7.1 y 10 12.0 1500 11.7 0730 11.8 7.2 7.1 11 12.0 2330 11.8 1030 11.9 7.2 7.1 12 12.1 0500 12.0 0100 12.1 73 7.2 13 12.2 2400 11.9 0730 12 ~. 0 - i.3 7.2 14 12.6 2300 12.1 0800 12.3 7.3 7.2 15 12.8 2030 12.6 0200 12.7 7.3 7.2 16 13.0 1700 12.7 2330 12.9 7.2 7.1 17 13.1 1700 12.7 0430 12.9 7.3-7.1 18 13.2 1700 12.8 0400 13.0 7.2 7.1 19 13.4 1530 13.2 0000 13.3 7.2 7.1 ~ 20 13.4 1230 13.1 0730 13.3 7.2 7.1 21 13.3 0230 13.2 1900 13.2 7.2 7.1 22 13.3 0100 13.0: 2100 .13.1' 7.2 7.1 23 13.1 0100 12.7 2100 12.9 7.2 7.1 24 12.9 2330 12.8 1030 12.9 7.2 7.1 25 13.2 2400 12.9 1000 13.0' 7.2 7.1 26 13.3 0130 13.1 2100 13.2 7.1 7.0 27 13.4 1900. 13.1 0500 13.2 7.2 7.1 28 13.5 1730. 13.3 0130 13.4 7.2 7.0 29 13.5 0030 12.9 2300 13.2' 7.1 7.0 30 13.4 1300 12.9 0100 -13.2 7.2 7.0 31 13.3 1400 13.0 0200 13.2 7.2 7.0:

TABLE 4.3-1. ' VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS SAMPLE LOCATION Monitor 3 Monitor 7 Discharge Date 3/11/82 3/11/82 3/11/82 Dissolved Oxygen 13.40 13.70 12.85 Turbidity (Formazin Units) 0.78 0.64 0.80 pH (pH Units) 7.32 7.35 7.55 Alkalinity (as Ca CO ) 30.7 33.3 32.0 3 Total Hardness (as Ca CO ) 37.1 39.3 37.1 3 Calcium Hardness (as Ca CO ) 30.7 32.5 30.7 3 Chloride 9.4 11.3 10.0 Sulfate 8.5 8.2 8.2 Total Phosphate (as'P) 0.022 0.027 0.029 Total Solids 96 100 98 Suspended Solids 1.1 1.0 1.3 Chromium (Total) <0.002 <0.002 <0.002 Copper <0.02 <0.02 <0. 02-Iron (Total) 0.20 0.16 0.18 Sodium 6.3 7.1 6.6 Zinc <0.02 <0.02 <0.02 All Results in mg/l Unless otherwise Noted -102-( l

TABLE 4.3-2 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS P "' SAMPLE LOCATION Monitor 3 Monitor 7 oisc arge Date 5/13/82 5/13/82 5/13/82 Dissolved Oxygen 8.90 10.70 10.55 Turbidity (Formazin Units) 2.3 2.9 2.4 pH (pH Units) 7.20 7.46 7.32 Alkalinity (as Ca CO ) 23.7 22.5 23.1 3 Total Hardness (as Ca CO ) 27.1 27.1 27.2 3 Calcium Hardness (as Ca CO ) 23.0 22.-7 23.0 3 Chloride 3.2 3.4 3.2 Sulfate 8.6 8.6 10.1 Total Phosphate (as P) 0.016 0.023 0.017 Total Solids' 72 78 68 Suspended Solids 9 12 10 Chromium (Total) 0.004 0.005 0.005 Copper <0.02 <0.02 <0.02 fron (Total) 0.48 0.96 0.19 Sodium 3.2 3.2 3.4 l Zinc <0.02 <0.02 <0.02 l All Results in mg/l Unless otherwise Noted -103-

TABLE 4.3-3 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS P' SAMPLE LOCATION Monitor 3 Monitor 7 oisch0 ge Date 9/9/82 9/9/82 9/9/82 Dissolved Oxygen 9.80 8.60 7.80 Turbidity (Formazin Units) 1.7 1.5 2.6 pH (pH Units) 7.90 7.64 8.28 Alkalinity (as Ca CO ) 43.7 44.8 61.2 3 Total Hardness (as Ca CO ) 45.6 46.8 85.0 3 Calcium Hardness (as Ca CO ) 38.8 40.0 72.5 3 Chloride 8.4 9.0 17.0 Sulfate 8.5 8.2 26.5 -Total Phosphate (as P) 0.023 0.028 0.038 Total Solids 140 130 204 Suspended. Solids 3.6 4.0 6.0 Chromium (Total) <0.02 <0.02 <0.02 Copper <0.02 <0.02 0.16 Iron (Total) 0.08 0.14 0.24 Sodium 6.2 6.4 14 Zinc <0.02 <0.02 0.05 All Results in mg/l Unless otherwise Noted I i -104-L

TABLE 4.3-4 VERMONT YANKEE ECOLOGICAL STUDIES CONNECTICUT RIVER, VERNON, VERMONT WATER QUALITY ANALYSIS SAMPLE LOCATION Monitor 3 Monitor 7 D[cNr'ge Date 11/19/81 11/19/82 11/19/82 Dissolved Oxygen 11.40 11.30 Turbidity (Formazin Units) 1.5 1.5 1.8 pH (pH Units) 7.40 7.38 7.30 Alkalinity (as Ca CO ) 29.0 32.0 29.0 3 Total Hardness (as Co CO ) 30.6 29.5 29.5 3 Calcium Hardness (as Ca CO ) 25.0 23.7 23.7 3 Chloride 4.4 4.6 4.4 Sulfate 6.9 7.5 6.6 -Total Phosphate (as P) 0.021 0.022 0.024 Total Solids 50 40 56 Suspended Solids 2.4 1.6 3.0 Chromium (Total) <0.02 <0.02 <0.02 Copper <0.02 <0.02 <0.02 Iron (Total) 0.10 0.08 0.13 Sodium 4.4 4.6 4.5 I Zinc <0.02 <0.02 <0.02 All Results in mg/l Unless otherwise Noted -105-l

? i e' 9 SECTION 5 PLANKTON STUDIES t I

5. PLANKTON STUDIES Plankton samples were collected, as required by Vermont Yankee's NPDES permit, once each month in 1982 at the downstream and upstream water quality monitors, Stations 3 and 7 (Figure 5.1). In addition, subsurface samples from the river at Vermont Yankee's condenser cooling water intake structure were collected on the nine dates in 1982 when entrainment studies were con-ducted. The monitor samples, preserved in formalin, were collected by pumping river water through a No. 20 mesh Wisconsin plankton net. Subsequently the sample volume was adjusted to 20 ml and an aliquot of the sample was examined in a Sedgewick-Rafter counting cell. Plankton were identified to the lowest feasible taxonomic level and were counted as their normally occurring

unit, i.e., phytoplankters as cells, colonies, or filaments and zooplankters as individuals or colonies.

The results of these analyses are presented below. 5.1 Phytoplankton Studies A summary of the counting results of the analysis of the 1982 phytoplankton samples is given in Table 5.1. This table shows for each sample the dominant species observed, when one taxon was found in greater numbers than any other one, the con-centration in units per liter of that dominant organism, and the total count in units per liter of all algae in the sample. The, concentrations of phytoplankters found in the 1982 monitor samples are also shown graphically in Figures 5.2 and 5.3. To permit ready comparison of the 1982 monitor sample data with that of earlier years, Figures 5.2 and 5.3 also carry plots of the monthly mean phytoplankton counts observed in the years -107-

l 1' hl PLANKTON i l SAMPLE STATION LOCATIONS k k 4 ~ O l/2 i SCALE iN MILES NEW H AM PSHIRE \\ \\ VERMONT / 6 Vermont Yankee h bi 3 FIGURE 5.1 -108-

) TABLE 5.1 DOMINANT PHYTOPLANKTON SPECIES (Dominanti Species Count / Total Count in Units per Liter) 1982 e SAMPLE. LOCATION River at -Date Monitor 7 VY Intake Monitor 3 1/5 Tabe11 aria fenestrata l (6/32)' 1/19 Melosira varians Oscillatoria sp. (22/119) (4/16) 2/17 Tabe11 aria fenestrata (6/27) 2/18 Oscillatoria sp.' -(-/46) None (11/67) 3/11 Stigeoclonium sp. Diatoma sp. Diatoma sp. (5/71) (2/14) -(11/53) 4/8-Melosira italica (4/28) 4/9-Ulothrix sp. Ulothrix sp.. (9/111)' (9/51) ~ ' 5/20 _ Asterionella formosa Asterionella formosa Melosira italica (49/136) (466/822) (52/220) 6/8 Melosira italica Melosira italica (14/209) (64/137) 7/19 Tabe11 aria fenestrata Tabe11 aria. fenestrata (257/383) (4575/6406) 8/26 Tabe11 aria fenestrata Tabe11 aria fenestrata (52/128) (110/223) i 9/28 Fragilaria crotonensis Fragilaria crotonensis [- (142/274) (162/409) 10/7-Fragilaria crotonensis (231/1160) l 10/26-Melosira italica Melosira italica Fragilaria crotonensis l (66/140) (60/134) (29/164) l 11/18 Melosira italica Melosira italica Melosira italica (38/188) (46/190) (49/207) 1 12/15 Melosira italica Melosi ra. italica None -(12/30) (56/162) (-/45) -109-i

= SEASONAL PHYTOPLANKTON DISTRIBUTION STATION N O.7 - MONITOR 50 40 -

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t s,.,#,# o y ' ' : :- 1./ ' N. / ~. \\'{' f l10 l 11 l 12 l7 l8 l 9 1 2 3 4 5 6 MONTHS 1982 - - - - ~ ~ " 1970 - 74 MEAN MEAN + 2 STO. DEV. FIGURE 5.2 -110-

I SEASONAL PHYTOPLANKTON DISTRIBUTION STATION NO.3 - MONITOR 50 It 't / i 40 - / i I l / i I I 30 - p I I / I / \\ 20 - / t / \\ i i iO I 1 s

  1. i i

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2.'

/ '- l8 l l10 l 11 l 12 l 1 2 3 4 5 6 7 9 MONTHS 1982 1970 - 74 MEAN MEAN + 2 STD. DEV. FIGURE 5.3 l -111-y-v-- ,i---g - v -r-w -pp-y ++-e+i yw yw--,-1y- - - - + -,,,w-- 7yn3<+y wg -r r-wy 3w- --r ww

1970-74, excluding data collected in 1974 during Vermont Yankee's open cycle testing. Variability of algal concentrations about these means is' indicated on the graphs by points which are two standard deviations greater than each monthly mean. Algal concentrations in the net collections of 1982 were below the mean concentrations observed in 1970-74 in all months but July at Station 3. The concentration at Station 7 in Jan-uary, 119 units / liter,-was more than two standard deviations greater than the 1970-74 means for January at Station 7. The algal counts at Station 7 in February and at Station 3 in July exceeded the means of 1970-74, but by less than two standard deviations.. In earlier reports of this series (Aquatec 1975, 1976), a statistical analysis of the phytoplankton data collected prior to Vermont Yankee's operation and during closed cycle operation at the two monitor stations was presented. This analysis developed linear regression equations which predicted Monitor 3 counts from three ranges of observed Monitor 7 counts. Moni-tor 7 counts observed on all twelve sample dates in 1982 lie within the low range, 0-772 units per liter, for which the regression equation has an intercept of 29.3, a regression coefficient of 0.802, and a standard error of estimate of 193. A comparison of the phytoplankton counts observed at Monitor.3 in 1982 with counts predicted by this regression equation from counts observed at Monitor 7 is shown in Table 5.2. The only difference between the observed and the predicted concentrations for Station 3 that exceeds two standard errors of estimate is that caluclated from the data of the July 19 samples. Vermont ] Yankee had operated in the closed cycle condenser cooling mode for seven weeks prior to July 19. -112-

A TABLE 5.2 ' COMPARISON OF OBSERVED MONITOR 3 PHYTOPLANKTON COUNT WITH MONITOR 3 COUNT PREDICTED BY REGRESSION ANALYSIS OF LOW RANGE PREOPERATIONAL/ CLOSED CYCLE MONITOR DATA OF 1970-74 Monitor 7 Count Monitor 3 Count Date Observed Observed-Predicted = Difference 1/19/82 119 16 125 -109 2/18/82 67 46 83 -37 3/11/82 . 71' 53 86 -33 4/9/82 111 51 118 -67 5/20/82 136 220 138 +82 6/8/82 209 137 197 -60 7/19/82 383 6406 336 +6070 8/26/82 128 223 132 +91 9/28/82 274 409 249 +160 10/26/82 140 164 142 +22 4 '11/18/82 188 207 180 '+27 12/15/82 > 30 4b 53 -8 i _a Forty-five species of phytoplankton were identified in the i twelve' net samples at Stations 3 and 7 in 1982. Small numbers of' twelve additional species were observed in the samples of river water collected at Vermont-Yankee's intake structure duringentrainment studies. A checklist of the net phytoplank-4 ton identified in these samples is shown in Table 5.3. Follow-ing-the name of each taxon in the list are three numbers in parenthesis. The first is the number of Monitor 3 samples in which the alga was observed; the second is the number of Monitor 7 samples in which it was found; the third is the number of entrainment sample dates on which the taxon was found in a river intake sample. The average number of identified species found in the twelve upstream Station 7 samples of 1982 was 7.2; in the down-stream Station 3 samples, the mean number was 8.3. The number per sample at Station 7 ranged from only 1 identified species in April to 15 in the November sample. At Station 3, the largest number of identified species was 15, in the samples of July and I -113-

September; the smallest number was 5, in the samples of Jan-uary, February, and December. In all earlier years of Vermont Yankee studies species of diatoms have been the predominant type of algae' observed in the monitor samples collected'by plankton net. This was the case in 1982 also. Diatoms constituted 50% or more of all the Moni-tor 7 samples, all the Monitor 3 samples except that of January, and all nine of the sets of entrainment intake samples. A sum-mary of the percentages of diatoms, flagellates, green, and blue-green algae found in these 1982 net phytoplankton samples is given in Table 5.4. TABLE 5.4 MEAN PERCENTAGES AND PERCENTAGE RANGES DIATOMS, FLAGELLATES, GREEN, AND BLUE-GREEN ALGAE 1982 Diatoms Flagellates Greens Blue-Greens Sample Percentage Percentage Percentage Percentage Location Range Mean Range Mean Range Mean Range Mean Monitor 7 50-94 78 0-3.2 0.4 0-28 8.2 0-30 7.7 VY Intake 63-100 84 0-9.0 1.5 0-22 4.8 0-16 6.0 Monitor 3 38-100 77 0-5.5 1.0 0-26 6.6 0-27 8.2 The more commonly observed species in 1982 were the same as those that have been found to predominate in the Monitor 3 and 7 samples of former years. Predominant diatoms were Aster-ionella formosa, Fragilaria-capucina and Fragilaria crotonensis, [ Melosira italica and Melosira varians, and Tabellaria fenestrata. Melosira italica was found in all but 3 of the 24 monitor samples and in all 9 of the intake samples. The more common flagellates were again Dinobryon spp. and the more frequently observed green algae were Pediastrum spp., particularly Pediastrum simplex. Species of the blue-green algae oscillatoria were found in 50% or more of the samples at all three locations. -115-l

~ I TABLE 5.3-1 CHECKLIST OF NET PHYTOPLANKTON OF THE CONNECTICUT RIVER NEAR:VERNON, VERMONT 1982 l' -The numbers in parenthesis after each listed taxon-are: (the-number of Station 3 Monitor samples of 12 - the number of Station 7 Monitor-samples of 12/the number of entrainment intake sample sets of 9 in which the taxon was observed). BACILLARIOPHYCEAE Asterionella formosa (5-7/8) Ceratoneis sp.. (0-1/1) Cyclotella sp. (0-0/1) Diatoma sp..(1-1/3)- Fragilaria capucina (5-4/5). Fragilaria crotonensis (9-8/9) Melosira granulata (1-2/1) Melosira italica (11-10/9) Melosira'varians (5-5/4) Meridion sp. (0-1/0) Nitzschia sp. (3-1/5) Surirella.sp. (1-0/2) Synedra sp. (4-5/2) Tabellaria fenestrata (5-4/5) Tabellaria flocculosa (2-0/1) 'CHRYSOPHYCEAE 'Cladomonas fruticulosa (0-0/1) l Dinobryon sertularia (0-0/1) Dinobryon sp. (3-2/5) i Hydrurus foetidus (1-0/0) Mallomonas sp. (0-1/1) + Synura sp. (0-0/1) 6 PYRRHOPHYCEAE ,Ceratium hirundinella (3-2/0) 1 1 -116-

TABLE 5.3-1 CHLOROPHYCEAE-Ankistrodesmus falcatus-(0-1/0) Chodatella-sp. (0-0/1) Closterium sp. (0-0/1) Cosmarium sp. (1-1/1) Dictyosphaerium'pulchellum (1-1/0) Dictyosphaerium sp. (0-1/1) Kirchneriella sp. (0-0/1) Micratinium pusillum (2-1/1) Pandorina morum (1-0/0) Pandorina sp. (0-0/1) Pediastrum duplex (1-0/0) Pediastrum simplex ~ (1-3/8) Pediastrum simplex var..duodenarium (3-7/3)- Pediastrum tetras-(1-0/0) .Scenedesmus quadricauda (4-2/5) ~Scenedesmus quadricauda var. westii (1-2/2) Scenedesmus sp..(1-0/4) Schroederia sp. (1-0/0) Sphaerocystis schroeteri (1-0/0) Spirogyra sp.-(0-2/2). Staurastrum sp. (1-1/0) Staurodesmus sp.. (1-0/0) Stigeoclonium sp. (2-1/2) Tetraedron sp. (0-0/1). Tetrastrum sp.- (0-0/1) Ulothrix zonata (1-1/1) Ulothrix sp. (2-1/1) - CYANOPHYCEAE. I Anabaena~sp. (1-0/0) Aphanizomenon gracile (2-0/0) Aphanocapsa sp.-(0-0/1) Gomphosphaeria sp. (2-1/3) Merismopedia elegans (1-0/0) Microcystis aeruginosa (0-0/3) 'Oscillatoria splendida_(1-0/0) Oscillatoria sp. (8-6/5) l i 1 2 -117- - ~ -

5.2 Zooplankton Studies The results of the analysis of zooplankton samples collect-ed in 1982 at the two monitor stations and at Vermont Yankee's intake structure are summarized in Table 5.5 and in Figures 5.4 and 5.5. Table 5.5 shows the concentration, in units per liter, of zooplankters observed in each sample and the name and concen-tration of the predominant taxon in the sample, when one taxon was observed in greater concentration than any other. In the figures, total zooplankton counts observed in 1982 at the two monitor stations are plotted, along with monthly mean counts ob-served at these stations in the years 1970-74, excluding times of open cycle testing. To show variability about the means, the figures also carry plots of the means plus two standard devia-tions. Zooplankton concentrations in the monitor samples were relatively low throughout the year 1982. In all months at both monitor stations the zooplankton counts were less than the 1970-74 means for the corresponding months. Statistical analysis of zooplankton data collected at the two monitor stations in the years 1970-74, prior to Vermont Yan-kee's operation and during closed cycle operation, has provided a basis for comparison of zooplankton counts observed at Monitor 3, downstream of Vermont Yankee, with counts predicted from the zooplankton concentrations observed at Monitor 7 upstream. This analysis, analogous to that used for phytoplankton, resulted in a linear regression equation relating Monitor 3 count, as depen-dent variable, to the observed Monitor 7 count. For Monitor 7 g counts ranging from 0.5 to 418.5, the equation has a regression coefficient of 0.918, an intercept of 15.7, and a standard error of estimate of 83.8. A comparison of the zooplankton concentra-W tions observed in 1982 at Monitor 3 with those predicted by this equation is given in Table 5.6. All differences between the observed and the predicted concentrations for Station 3 are less than two standard errors of estimate (167.6). -118-

t ( TABLE 5.5 DOMINANT ZOOPLANKTON TAXA (Dominant Taxon Count / Total Count in Units Per Liter) 1982 SAMPLE LOCATION' River at Date Monitor 7: VY Intake Monitor 3 1/5 None (-/0.8) 1/19 '. Philodina sp. None L (1.5/3.5) (-/1.0)- 2/17 Ascomorpha sp. (1.2/3.2) 2/18 Keratella cochlearis None (0.5/0.7) (-/4.0) .3/111 Philodina sp. None None (1.0/1.5). (-/0.8) (-/3.5) is 4/8 Indet. Nematoda (0.1/0.1) t. 4/9 None Philodina sp. (-/1.0) (1.0/1.0). 5/20 Vorticella sp. Conochilus unicornis Ploesoma sp. (4.0/6.5) (4.0/6.0) (1.5/3.5) 6/8-Bosmina longirostris Philodina sp. l (6.0/9.0) (1.5/5.5) 7/19 Ploesoma sp. Ploesoma sp. (2.5/5.0) (14.0/40.5) 8/26 Philodina sp. None (29.0/32.5).- (-/8.5) L 'Synchaeta sp. Synchaeta sp. 9/28 -(4.5/7.0) (9.0/14.0) 10/7 Synchaeta sp. (6.2/10.0) ( 10/26 Philodina sp. -Synchaeta sp. None - (9.5/21.5) (0.8/1.8) (-/2.0) 11/18 Phi'lodina sp. Campanella sp. None (26.5/29.0) (1.0/2.0) (-/2.0) 12/15 ' Vorticella sp. Campanella sp. Vorticella sp. (17.0/19.5) (1.0/2.5) (9.0/10.0) -119-l &l l'

SEASONAL ZOOPL ANKTON DISTRIBUTION STATION NO. 7 - MONITOR n, e i 4 1, 7-i b 1, 8i il 6-81 i Ii Ii I 8 i 1 0: I i kJ l I b 8 _J l I 5-I i 0: I i I I I m l 2 I I g z~ l i 4 4 l ,I i EO I I ,I t m i C) I i m i ,8 I I O e 3_ s i w E I I O g l zo z i x i i f I e i 2 f i s it x ,I \\ s ,s ,I \\, i, c s t I s e p \\ i ,' 's \\ / \\ i s, i l f l s o \\ / l \\ l' / g \\ \\ \\ 1- \\ s l .;:n,: --- 4'bC' _, /. N D,__*__ s.__, l l8 l l 10 l l 12 I 2 3 4 5 6 7 9 11 MONTHS Ig g9, ,h 1970 -74 MEAN MEAN + 2 STO. DEV. FIGURE 5.4 4 -120-s

SEASONAL ZOOPL ANKTON DISTRIBUTION STATION NO.3 - MONITOR I L l i j I i i i I l$ l e 7-1 l 8 I I I I ,I i I i i A l 'l 6-i I \\ I I

  1. g I

L 8 g i g I \\ 5 I I I i i l i 3 l I 5-I ,1 t 5 i ll i I i 11 I i 11 m g s I v 's = z I g g 4 I g = i i O l I \\ u w O I \\ I O I g 3-I o I i z i U l I l g ,I, \\ I A .\\ i l 's ,/ \\, 2 s s r, n r i g \\ \\, s i ,l si si s \\ r r, s I \\. ~ L ,s E8 g \\ \\ s s g r \\ / -l \\.. \\ N ' '_ w n _. l__ \\. ~ h - ' [. l l8 l l 10 l I 2 3 4 5 6 7 9 12 11 MONTHS 1982 1970 - 74 MEAN MEAN + 2 STD. DEV. FIGURE 5.5 -121-

TABLE 5.6 COMPARISON OF OBSERVED MONITOR 3 ZOOPLANKTON COUNT WITH MONITOR 3 COUNT PREDICTED BY REGRESSION ANALYSIS OF PREOPERATIONAL/ CLOSED CYCLE MONITOR DATA OF 1970-74 Monitor 7 Count Monitor 3 Count Date observed Observed-Predicted = Difference 1/19/82 3.5 1.0 18.9 -17.9 2/18/82 0.7 4.0 16.3 -12.3 3/11/82 1.5 3.5 17.1 -13.6 4/9/82 1.0 1.0 16.6 -15.6 5/20/82 6.5 3.5 21.7 -18.2 6/8/82 9.0 5.5 24.0 -18.5 7/19/82 5.0 40.5 20.3 +20.2 8/26/82. 32.5 8.5 45.5 -37.0 9/28/82 7.0 14.0 22.1 -8.1 10/26/82 21.5 2.0 35.4 -33.4 11/18/82 29.0 2.0 42.3 -40.3 12/15/82 19.5 10.0 33.6 -23.6 A checklist of the zooplankton observed in the 1982 monitor samples is given in Table 5.7 at the end of this section of the report. Organisms observed in entrainment samples collected from the river at Vermont Yankee's intake structure are included, also. The three numbers in parenthesis following the name of each taxon in the list are: the number of Station 3 Monitor samples, of 12; the number of Station 7 Monitor samples, of 12; and the number of entrainment intake samples, of 9, in which i the taxon was observed. Of the 46 taxa listed, 11 were observed only in entrainment intake samples, 6 only in Monitor 3 samples, and 8 taxa were found only in the Monitor 7 samples. The number of taxa observed in the Monitor 3 samples ranged from 1 in April to 9 in July; the average number of taxa in ~ the twelve samples was 4.4. The mean number of taxa found in the twelve Monitor 7 samples was 4.7. The largest number found was 10 in the October sample; the smallest number, 2, was ob-served in the samples of February through April. Relatively large percentages of the organisms observed in samples of fall and winter were protozoans; particularly -122-

Vortice11a sp. Copepods were less commonly' observed than in some prior years, but were found in monitor samples of May through December and in 6 of the 9 intake samplea collected during entrainment studies. As has been found in all earlier years of zooplankton studies, rotifers were the dominant group of organisms in the majority of the samples. They constituted at least 50% of the zooplankters found in 11 of the Station 3 samples, 8 of the Sta-tion 7 samples, and 7 of the 9 entrainment samples. The more commonly observed rotifers were Keratella cochlearis, Ploesoma sp., Synchaeta sp., and Philodina sp., which was found in 18 of the 24 monitor samples. A summary of the percentages of protozoa, copepoda, clado-cera, and rotatoria found in the monitor and intake entrainment samples of 198'2 is given in Table 5.8. TABLE 5.8 MEAN PERCENTAGES AND PERCENTAGE RANGES PROTOZOA, COPEPODA, CLADOCERA, AND ROTATORIA 1982 Protozoa Copepoda Cladocera Rotatoria Sample Percentage Percentage Percentage Percentage Location Range Mean Range Mean Range Mean Range Mean Monitor 7 0-72 23 0-23 4.7 0-100 15 0-100 57 VY Intake 0-50 12 0-29 8.4 0-7.5 0.8 0-100 68 Monitor 3 0-90 14 0-50 8.8 0-25 5.5 5-100 71 i -123-

.=_ ~. i ~ TABLE 5.7-1 CHECKLIST OF ZOOPLANKTON OF CHE CONNECTICUT' RIVER t NEAR VERNON, VERMONT 1982 1 i The numbers in parenthesis after each listed taxon-are: (the number-of Station 3 Monitor samples of 12 - the number of Station 7 Monitor samples of 12/the number of entrainment intake sample sets of.9 in which the taxon was observed). PROTOZA Acineta sp. (0-1/0) Campanella sp. (0-3/2) 0-0/1) ( Carchesium sp. Vortice11a sp. (4-4/2) -Indet. (0-1/2) NEMATODA { Indet. (1-0/1) ROTATORIA Ascomorpha prob. ovalis (0-0/1) Ascomor?ha sp. (1-0/3) Asplancina sp. (2-1/2) Cephalodella-auriculata (1-0/0) Cephalodella prob. gibba (0-0/1) Cephalodella sp. (0-1/0) Conochilus unicornis (0-0/3) Euchlanis calpidia (1-0/0) Euchlanis dilatata (0-1/0) Euchlanis sp. (1-1/1) _Filinia sp. (2-1/0) Kellicottia bostoniensis (0-0/1) Kellicottia longispina (0-1/0) Keratella cochlearis (6-3/4) Keratella quadrata (1-0/1) Keratella sp. (1-0/1) Lecane luna (0-0/1) Monostyla bulla (1-0/0) .Notholca sp. (0-0/1) Philodina sp. - (8-10/0) Ploesoma sp. (3-5/1) 4 -124-

TABLE 5.7-1 ROTATORIA (continued) Polyarthra remata (1-0/0) Polyarthra vulgaris (1-0/1) Polyarthra sp. (0-0/1) Synchaeta sp. (5-1/5) Trichotria tetractis (0-1/0) Indet. (1-2/7) TARDIGRADA Indet. (0-1/1) ANNELIDA Indet. Aeolosomatidae (0-1/0) ARTHROPODA Crustacea Cladocera Alona gutatta (0-0/1) Alona sp. (1-1/0) Bosmina longirostris (2-1/0) Bosmina sp. (1-1/0) Ceriodaphnia (1-0/0) Chydorus sphaericus (0-1/l) Chydorus sp. (0-0/1) Daphnia pulex (0-1/0) Daphnia sp. (1-0/0) Pleuroxus striatus (0-1/0) Indet. (0-1/1) Copepoda Indet. Adults (3-2/2) Indet. Nauplii (3-5/6) Insecta Diptera Chironomidae Indet. larvae (0-0/1) R' l -125-w-

? h s i SECTION 6 ENTRAINMENT STUDIES i l

6. ENTRAINMENT STUDIES u To assess the impact of entrainment on phytoplankton and zooplankton in Vermont Yankee's condenser cooling water, nine sets of condenser cooling water intake and discharge samples were collected in 1982 at times when Vermont Yankee was utiliz-ing open cycle condenser cooling. Eight were collected during times of Vermont Yankee's open cycle operation under the condi-tions of its NPDES permit. The sample of October 7 was collect-ed during the September 15 to October 15 operation in hybrid / open cycle operation during the special study program termed Project SAVE. For each sample, 40 liters of water, collected by bucket, were poured through a No. 20 mesh plankton net. A portion of the fresh sample concentrate was examined within the hour to determine the identity and relative numbers of living and dead organisms. Zooplankters were tabulated as living if they were observed to move or showed internal movement within one minute. Phytoplankters were listed as living if they had normal pigmenta-tion ~and no signs of plasmolysis. The remaining portion of each sample was preserved with formalin for subsequent identi-fication and enumeration of the organisms present. The taxa of phytoplankton and zooplankton found in the en-trainment intake samples in 1982 are indicated in the two check-lists, Tables 5.3 and 5.7, of the previous section of this re-port. In those lists, the third number in parenthesis after each taxon is the number of sample dates, of a total of 9, on which the taxon was observed in an intake sample. In general, the same taxa were observed in discharge samples as were found in river samples. Twelve algal genera, however, were observed in discharge samples in 1982 that were not found in the intake -127-

y e-

,yn-w- v-r ---- + - 4'r-v^~rM P P --s-ew7 7-'=r*e r-e+

samples. Of these twelve, three were diatoms, two were flag-ellates, five were green algae, and two were blue-greens. Two genera of zooplankton, Conochiloides and Bosmina, were found in discharge samples, but not in intake samples. The counting results of the analysis of the fresh and pre-served entrainment samples are summarized in Table 6.1. The data of Table 6.1 have been used to calculate the percent changes in live plankton concentrations between intake and dis-charge samples shown in Table 6.2. The impact of Vermont Yankee's entrainment of plankton on the river's concentration of live plankton is dependent upon the proportion of river. flow, Og, which is utilized as conden-ser cooling water. During open cycle operation, plant discharge flow rate, Q, equals the rate of intake from the river, thus D percent change of plankton concentration in the mixed river is the percent change through the plant, Table 6.2, multiplied by the ratio of Q to Q. Calculations of the percent changes in D R river plankton concentrations due to entrainment on the 9 study dates of 1982 are shown in Table 6.3. These calculations assume uniform distribution of river plankton at the intake structure and complete mixing of plant discharge into the river. All calculated percentage decreases in river plankton con-centrations were less than 10%. Higher concentrations of living organisms in discharge samples than in intake samples l were found on 6 of the 9 dates for phytoplankton and on 4 of l the 9 dates for zooplankton. Such increases in live plankton concentration, which have been observed in all prior years of study, are attributable to the sloughing off into Vermont Yan-kee's circulating cooling water of algal growth attached to the walls of the cooling water system, growth that supports a community of microinvertebrates. -128-

TABLE 6.1

SUMMARY

OF RESULTS VERMONT YANKEE ENTRAINMENT STUDIES 1982 Power Percent Living. Organisms Number Organisms / Liter Level Condenser Sample (Fresh Sample) (Preserved Sample) Date (%) AT (

  • F)

Location Phytoplankton Zooplankton Phytoplankton Zooplankton 1/15 99.7 27.1 Intake 59 100 32 0.8 Discharge 93 25 566 2.2 2/17 99.8 22.0 Intake 83 100 27 3.2-Discharge 78 77 694 6.8 3/11 99.6 22.0 Intake 69 100 14 0.8 [ Discharge 98 50 934 -0.8 4/8 99.9 21.5 Intake 53 100 28 0.1-Discharge 78 83 515 1.5 5/20 96.2 21.5 Intake 91 88-822 6.0 Discharge 85 40 192 0.8 10/7 99.7 22.0 Intake 98 39 1160 10.0 Discharge 99 35 436 5.8 10/26 99.2 20.5 Intake-99 42 134 1.8 Discharge 96 57 234 5.5 11/18 99.7 21.6 Intake 98 80 190 2.0 Discharge 97 75 138 0.5 12/15 99.6 26.9 Intake 94 75 162 2.5 Discharge 99 80 853 4.5

TABLE 6.2 PERCENT CHANGES IN LIVE PLANKTON CONCENTRATIONS BETWEEN ENTRAINMENT INTAKE AND DISCHARGE SAMPLES 1982 Living Organisms per Liter % Change Date Parameter Discharge Intake Difference Thru Plant = 1/15 Phytoplankton 526 19 +507 +2700 Zooplankton 0.6 d.8 -0.2 -25 2/17 Phytoplankton 541 22 +519 +2400 Zooplankton 5.2 3.2 +2.0 +62 3/11 Phytoplankton 915 10 +905 +9000 Zooplankton 0.4 0.8 -0.4 -50 4/8 Phytoplankton 402 15 +387 +2600 [l Zooplankton 1.2 0.1 +1.1 +1100 i 5/20 Phytoplankton 163 748 -585 -78 Zooplankton 0.3 5.3 -5.0 -94 10/7 Phytoplankton 432 1137 -705 -62 Zooplankton 2.0 3.9 -1.9 -49 10/26 Phytoplankton 225 133 +92 +69 Zooplankton 3.1 0.8 +2.3 +290 i 11/18 Phytoplankton 134 186 -52 -28 Zooplankton 0.4 1.6 -1.2 -75 i 12/15 Phytoplankton 844 152 +692 +460 Zooplankton 3.6 1.9 +1.7 +89 i

L TABLE 6.3 CALCULATED PERCENT CHANGES IN LIVE PLANKTON CONCENTRATIONS OF RIVER EFFECTED BY ENTRAINMENT '1982 River Percent Change in-Live Plankton Percent Discharge Flow Concentrations in Mixed River Date Recirculation OD (cfs) OR (cfs) Phytoplankton Zooplankton 1/15 0 590 10140 +160 -1.5 2/17 18 595 10790 +130 +3.4 4 3/11 0 726 11060 +590 -3.3 l 4/8 20 593 15670 +98 +42 5/20 0 720 7720 -7.3 -8.8 i 10/7 20 620 4060 -9.5 -7.5 i 10/26 0 776 5740 +9.3 +39 11/18 0 741 10680 -1.9 -5.2 12/15 0 594 5640 +48 +9.4 i i I

t e SECTION 7 BENTHIC FAUNA STUDIES t L i -m---

7. BENTHIC FAUNA STUDIES In compliance with the conditions of Vermont Yankee's NPDES permit, samples of Connecticut River benthos were collected by Ekman dredge and Henson trap at four sample stations shown in Figure 7.1. Ekman dredge samples were collected monthly, from May through November, at each of the four stations. Each Ekman dredge sample consisted of the organisms collected in 30 dredge hauls, 10 from each quarter point of the river, except that high river flows in May precluded collection of the 10 mid-river hauls at Station 3. Henson traps, wire cages filled with 2 to 3 inch diameter rocks, were set at each location in May, July, and Sep-tember and left in place for 7 to 11 weeks. The traps set at Station 3 in May and at Station 5 in July were vandalized before retrieval. The material collected by either sample method was washed through a set of standard sieves and organisms and debris retain-ed by a No. 30 mesh sieve were preserved in 70% alcohol for sub-sequent analysis. Identification was made to the lowest practi-cable taxonomic level, usually to genus. A list of the benthic fauna found in these 1982 samples is given in Table 7.1 at the end of this section of the report. The number of samples in which a listed taxon was found is shown in the table for each sampling technique at each station. Excluding the organisms listed as indeterminate that are not known positively to be different from other identified taxa, 145 taxa were found in the 1982 samples. Fifty-six taxa were observed in the Station 2 samples, 57 in the Station 3 samples, 77 in the Station 4 samples, and 85 taxa were found in the samples at Sta-tion 5. Of the 120 genera found in the 1982 samples, 73 were observed in the 10 Henson trap samples, and 99 were found in the -133-

n r yl BENTHIC FAUNA t l l SAMPLE STATION LOCATIONS O g i o I SCALE IN MILES en 9.%; vermont Yankee S NEW HAMPSHIRE L VERMONT 3 2 i M A SS ACHUSETTS FIGURE 7.1 -134-

28 samples collected by Ekman dredge. Fifty-two genera were collected by both sampling techniques, 21 were observed only in the Henson trap collections, and 47 were found only in the Ekman dredge samples. The number of samples collected by Ekman dredge in 1982 was comparable to the numbers collected at Stations 2 through 5 in the years 1969 and 1977-81. A comparison of the number of genera collected by Ekman dredge in these years with the results of the 1982 collections is shown in Table 7.2. TABLE 7.2 COMPARISON OF NUMBER OF SAMPLES AND NUMBER OF GENERA OF BENTHOS COLLECTED BY EKMAN DREDGE Station Number of Samples / Number of Genera Number 1969 1977 1978 1979 1980 1981 1982 2 6/23 8/20 8/22 7/27 7/36 7/40 7/39 3 6/24 8/25 8/13 7/26 7/39 6/41 7/43 4 7/16 8/19 8/17 7/26 7/30 7/35 7/54 5 8/18 8/20 6/14 7/28 7/25 7/44 7/56 The number of genera observed in 1982 was greater at Stations 3, 4, and 5 than in earlier years. The number observed in 1982 at Station 2 was only one less than the 40 genera observed there in the 1981 samples. The results of the analysis of the 1982 benthic fauna samples l are summarized in Table 7.3. The summary shows, for each sample, the number of organisms and taxa observed and lists the predominant l type of benthos in the sample and the percentage of that form in the sample. A diversity index is also tabulated for each sample. the index was calculated with the following equation: d=h(Nlog10 N < ni log 10 ni) where C is a constant which converts logarithms from base 10 to -135-

i base 2; N is the number of_ organisms; and ni is the number of organisms in the i h taxon. k L Chironomid larvae were the predominant organisms in 18 of 1 ~ the 38 samples. They were relatively more numerous in the samples collected upstream of Vernon Dam than in the samples of Stations 2 l and 3, downstream of the dam. At Station 5, chironomids were the predominant form observed in 8 of the 9 samples collected; at Station 4, in-7 of the 10 samples. Caddis fly larvae were the I more numerous forms in 6 downstream samples, but in only one up-stream ~ sample,-the Henson trap collection at Station 4 in November. Cladocerans predominated in downstream samples of August and Sep-tember and planarians and amnicolid snails appeared as the dominant forms in some fall samples at all stations. i i i l d -137-

TABLE 7.3-1

SUMMARY

OF RESULTS OF ANALYSIS BENTHIC FAUNA SAMPLES 1982 Sample Method Number of HNumber of Number Diversity Predominant Form (s) HT (# Days) Sample Benthic Organisms of Index 4 of Date ED (# Hauls) Station Organisms per m2 Taxa d Names Total 5/21 Ed (30 hauls) 2 22 14 9 2.99 Caddis' flies 36 ED (20 hauls) 3 42 40 18 3.81 Chironomids 6 T' 5/11 ED (30 hauls) 4 4= 3 2 0.81 Clams. 100 ED (30 hauls) 5 20 13 13 3.45 Chironomids 30 6/11 ED (30 hauls) 2 28 1P. 7 1.91 Caddis flies 21 m ED (30. hauls) 3 43 27 12 3.01 Caddis flies 56 6/7 ED (30 hauls) 4-9 6 7 2.64 Chironomids 67 ED (30 hauls) 5 90 57 15 3.58 Chironomids 69 7/28 HT (78 days) 2 14 5 1.99 Alderflies 43 7/29 HT (79 days) 4 87 14 2.94 Chironomids 70 HT (79 days). 5 587 20 2.26 Chironomids 62 7/29 ED (30 hauls) 2 66 42 18 3.62 Caddis flies 39 ED (30 hauls) 3 20 13 12 3.48 Chironomids 50 ED (30 hauls) 4 128 82 21 3.77 'Chironomids. 43 ED (30 hauls) 5 63 40 13 3.09 Chironomids 44 8/24 ED (30 hauls) 2 402 256 27 3.55 Cladocerans 25 ED (30 hauls) 3 124 79 9 2.15 Cladocerans 52 ED (30 hauls) 4 244 156 30 3.93 Chironomids 36 ED (30 hauls) 5 170 108 27-3.84 Chironomids 39' -t -, _.- ~ ~ ' ' ~ ~ ~ '

. ~ TABLE 7.3-2.

SUMMARY

OF RESULTS OF ANALYSIS BENTHIC FAUNA SAMPLES 1982 Sample Method Number of Number of Number Diversity Predominant Form (s) HT (l' Days) Sample Benthic Organisms of Index % of Date ED (4 Hauls) Station Organisms per m2 Taxa d Names Total -16 2.45 Cladocerans 45 i 9/29 HT (63 days) 2 503 HT (63 days) 3 400 17 1.84 Caddis flies 55 9/28 HT (61 days) 4 196 23 3.29 Planarians 28 i 9/29 ED (30 hauls) 2 184 117 14 2.32 Planarians 54 [ ED (30 hauls) 3 29 18 10 3.25 Caddis flies 21 e Bryozoans 21 9/28 ED (30 hauls) 4 145 92 19 3.24 Chironomids 35 ED (30 hauls) 5 212 135 27 3.68 Chironomids 50 10/28 ED (30 hauls) 2 60 38 9 1.94 Amnicolid snails 50 ED (30 hauls) 3 22 14 8 2.55 Amnicolid snails 32 10/27 ED (30 hauls) 4 58 37. 14 3.04 Chironomids 29 ED (30 hauls) 5 243 155. 18 2.42 Chironomids 70 11/16 HT (48 days) 2 28 13 3.14 Chironomids 36 11/17 HT (49 days) 3 106 6 1.01 Amnicolid snails 78 HT (50 days) 4 472 .26 3.23 Caddis flies 30 HT (50 days) 5 243 22 3.23 Planarians 35 11/16 ED (30 hauls) 2 77 49 8 1.03 Planarians 84 11/17 ED (30 hauls) 3 45 29 11 2.66 Caddis flies 38 ED (30 haulo) 4 134 85 22 3.53 Chironomids 37 ED (30 hauls) 5 159 101 19 3.56 Chironomids 39

TABLE 7.1-1 CHECKLIST OF THE. BENTHIC FAUNA 0F THE CONNECTICUT RIVER NEAR VERNON, VERMONT 1982 Number of samples in which a taxon was observed at each sample location in collections made by Henson trap and Ekman dredge Sample Station Number Collection Method (No. Samples Collected) i 2 3 4 5 HT(3) ED(7) HT(2) ED(7) HT(3) ED(7) HT(2) ED(7) P0RIFERA (Sponges) Demospongea d. Spongillidae Indet. 1 0 0 0 0 0 0 0 I C0ELENTERATA (Hydroids, Jellyfish) Hydrozoa Hydroidea Hydridae Indet. polyp 2 1 1 1 2 0 2 0 4 PLATYHELMINTHES Turbellaria ( Fl a two rms ) Tricladida Planariidae Dugesia tigrina 2 4 2 5 3 3 2 2 BRY0Z0A (Moss Animacules) Gymnolaemata Paludicella articulata 1 0 0 0 0 0 0 0. l Paludicella sp. 1 0 0 3 0 0 0 0 Phylactolaemata Cristatella sp. 1 1 0 0 0 0 0 0 Fredericella _s_ul tana 0 0 1 0. 0 0 0 0 Fredericella sp. 0 0 0 1 0 0 0 0

9 TABLE 7.1-2 I Sample Station Number Collection Method (No. Samples Collected) l 2 3 4 5 l HT(3) ED(7) HT(2) ED(7). HT(3) ED(7)- HT(2) ED(7) BRYOZ0A (continued) Hyalinella punctata-0 0 1 0 0 0 0 0 'Lophopodella sp. 0-1 0 0 0 0 0 0 Pectinatella magnifica 0 1 0 0 0 0 _0 0 Pectinatella sp. 1-0 0 0 0 0 0 0 Plumatella repens 0 0 0 1 0 0 0 0 Plumatella sp. 0 0 0 2 0 0' O O Indet. 0 0 1 1 0 0 0 0 l Indet. BRY0Z0A 0 2 0 1 0~ -1 0 0 l ANNELIDA ~ d, Oligochaeta (Aquatic Earthworms) Plesiopora i Naididae i Pristina sp. 1 2 1 2 1 2 0 2 Stylaria sp. 0 0 0 0 0 1 0 0 i i Indet. 0 0 0 0 0 1 0 0 Tubificidae r Branchiura sowerbyi 0 0 0 1 0 2 0 1 Limnodrilus sp. 1 4 0 3 2 6 1 4 i Tubifex sp. 1 0 0 0 0 1 0 1 Indet. 0 0 0 0 0 1 0 O Prosopora 1 i Lumbriculidae i Lumbriculus inconstans 0 1 0 0 0 0 0 0 Lumbriculus sp. 0 1 0 1 1 1 0 2 i Indet. Oligochaeta 0 l' 0 1 0 0 0 1 Hirudinea (Leeches) Rhynchobdellida Glossiphonidae Helobdella stagnalis 0 0 0 0 0 1 0 0 Helobdella sp. 0 0 0 0 0 2 0 1 Placobdella sp. 0 0 0 0 0. 0 1 1 I e

~ TABLE 7.1-3 Sample Station Number Collection _ Method (No. Samples Collected) 2 3 4 5 HT(3) ED(7) HT(2) ED(7) HT(3) ED(7) HT(2).ED(7) ANNELIDA.(continued) Hirudinea (Leeches) Rhynchobde111da Piscicolidae Piscicola sp. 0 0 0 1 0 ~0 0

0 ARTHROPODA Arachnoidea Hydracarina.(Water Mites)

Hydrachnidae Hydrachna sp. 0 0 0 0 0 0 0 1 4 Indet. Hydracarina 0 0 0 0 1 3-0- 3 C Crustacea Cladocera_(Water Fleas) i Daphnidae Indet. 2 2 2 2 2 4-2 4 Indet. Cladocera 0 0 0 0 1-0 0 0 Isopoda (aquatic Sow Bugs) Asellidae Asellus1sp.- 0 0 0 1 3 1 0 2 Amphipoda (Scuds) Taltridae Hyalella azteca 0 0 0 0 0-1 0' 0 Indet. Amphipoda 1 0 0 0 2. 0 1 0 Decapoda (Crayfish) Astacidae-Orconectes'limosus 0 0 0 0 1 0 1 0 Cambaridae Indet. 2 0 0 0 1 0-0 0 Insecta Plecoptera (Stoneflies) Perlidae Neophasganophora sp. 0 0 0 0 0 0-1 0 .~.

TABLE 7.1-4 Sample Station Number Collection Method (No. Samples Collected) 2 3 4 5 HT(3) ED(7) HT(2) ED(7) HT(3) ED(7) HT(2) ED(7) ARTHROP0DA (continued) Insecta Ephemeroptera (Mayflies) Baetidae Baetis sp. 0 1 0 1 0 0 0 0 Caenidae Brachycercus sp. 0 1 0 0 0 1 0 1 Caenis sp. 0 2 0 1 0 2 1 1 Ephemerellidae Ephemerella sp. 0 2 0 1 0 0 -0 1 Ephemeridae E Ephemera sp. 0 0 0 0 0 0 0 1 0 Hexagenia limbata 0 0 0 0 0 0 0 1 Hexagenia sp. 0 1 0 0 0 4 1 4' Heptageniidae Stenonema sp. 0 1 0 1 0 0 1 2 Indet. 0 1 0 0 0 0 0 0 Polymitarcidae Ephoron sp. 0 0 0 0 0 1 0 1 Potamanthidae Potamanthus sp. 0 0 0 0 0 1 0 0 Tricorythidae Tricorythodes sp. 0 1 0 0 0 0 1 0 Indet. Ephemeroptera 0 0 0 1 0 0 0 0 Odonata (Dragonflies, Damsel flies) Aeschnidae Boyeria sp. 'O O 0 0 1 0 0 0 Coenagrionidae Enallagma sp. 0 0 1 0 0 0 1 0 Ischnura sp. 1 0 1 0 1 0 1 0

TABLE 7.1-5 Sample Station Number Collection Method (No. Samples Collected) 2 3 4 5 HT(3) ED(7) HT(2) ED(7) HT(3) ED(7) HT(2) ED(7) ARTHROP0DA (continued) Insecta Odonata (Draganflies, Damselflies) Gomphidae Dromogomphus sp. 0 0 0 0 0 0 2 1 Gomphus sp. 0 0 0 0 0 1 0 .0 Libellulidae Libellula sp. 0 0 1 0 0 0 0 0 Pantala sp. 0 0 1 0 0 0 0 0 Macromiidae Macromia sp. 0 0 1 1 0 0 0 0 i Megaloptera ( Alderflies, Dobsonflies, 5 Corydalidae Fishflies) i Chauliodes sp. 0 1 0 0 0 0 1 0 i Sialidae 4 Sialis sp. 2 2 0 0 1 2 1 0 Trichoptera (Caddis Flies) Brachycentridae Micrasema sp. 0 0 0 1 0 0 0 0 Hydropsychidae Cheumatopsyche sp. 1 7 2 6 0 0 0 0 Hydropsyche sp. 1 5 0 4 0 0 0 0 Macronema sp. 0 2 1 0 0 0 0 0 Indet. 0 2 0 0 0 0 0 0 Hydroptilidae Agraylea sp. 0 0 0 0 0 0 0 1 Hydroptila sp. 0 0 0 0 1 0 1 0 Leptoceridae Ceraclea sp. 0 1 0 2 0 0 1 0 Mystacides sp. 0 0 0 0 2 0 1 0 llectopsyche sp. 0 0 0 0 1 1 0 2

TABLE 7.1-6 Sample Station Number Collection Method (No. Samples Collected) 2 3 4 5 HT(3) ED(7) HT(2) ED(7) HT(3) ED(7) HT(2) ED(7) ARTHROPODA (continued) Insecta Trichoptera (Caddis Flies) Leptoceridae Oecetis sp. 0 4 0 0 2 4 2 5 Triaenodes sp. 0 0 0 0 1 0 0 0 Indet. 0 1 0 0 0' 1 0 1 Molannidae Molanna sp. 0 1 0 0 0 0 0-0 Polycentropodidae Phylocentropus sp. 0 0 0 0 2 0 0 2. 4 Polycentropus sp. 0 0 0 1 2 1 2 2 ^ Sericostomatidae Y Agarodes sp. 0 0 0 0 1 0 0 0 Indet. Trichoptera 0 1 0 1 0 1 1 0 Coleoptera (Beetles) Elmidae Dubiraphia sp. 0 1 0 1 0 1 0 1 Optioservus sp. 0 0 0 0 0 0 0 1 Rhizelmis sp. 0 0 0 1 0 0' 0 2 Stenelmis sp. 1 0 0 0 0 0 0 0 Hydrophilidae Berosus sp. 0 0 1 0 0 0. 0 0 Diptera (Flies, Mosquitoes, Midges) Chironomidae (Midges) Tanypodinae Ablabesmyia mallochi 1 2 0 0 0 0 .0 0 Clinotanypus sp. 0 0 0 1 0 0 0 0 Natarsia.sp. 0 0 0 0 0 .1 0 1 Pentaneura sp. 0 0 0 0 0 0 1 3 Procladius sp. 0-0 0 0 1 6 0 5

TABLE 7.1-7 Sample Station Number Collection Method (No. Samples Collected) 2 3 4 5 HT(3) ED(7) HT(2) ED(7) HT(3) ED(7) HT(2).ED(7) ARTHROP0DA (continued) Insecta Diptera Chironomidae (Midges) Tanypodinae Tanypus sp. 0 0 0 0 0 1 0 0 Thienemannimyia group 0 2 0 0 0 1 0 0 Indet. 0 0 0 0 0 2 0 1 Diamesinae Diamesa sp. 0 0 0 0-0 0 0 1 Monodiamesa sp. 0 0 0 0 0 3 0 1 1 Potthastia sp.' 0 0 0 0 0 1-1 2 g Orthocladiinae i Brillia sp. 0 0 0 0 0 0 0 1 Cricotopus tremulus 0 0 0 0 0 0 1 0 Cricotopus sp. 0 0 0 0 0 0 0 1 Eukiefferiella discoloripes 0 0 0 0 1 0. 0 0 Eukiefferiella sp. 0 0 0 0 0 1 0 0 Heterotrissociadius sp. 0 0 0 0 0 1 0 0 Nanocladius sp. 0 0 0 0 0 0 'l 0 Orthocladius sp. 0 0 1 0 0 0 0 1 Parakief feriella sp. 0 0 0 0 0 0 0 1 Psectrocladius sp. 0 0 0 0 0 1 0 0 Rheocricotopus sp. 0 0 0 0 0 1-0 2 Indet. 0 0 0 1 0 0 1 0 C h i ron omi na e --C hi ro nomi ni Chironomus riparius group 0 0 0 0 0 0 0 1 Chironomus sp. 0 0 0 0 0 2 0 3 Cryptochironomus fulvus group 0 0 0 0 0 0 0 1 Cryptochironomus sp. 0 0 0 0 1 5 0 4 Dicrotendipes neomodestus 1 1 0 0 3 4 2 4 Dicrotendipes nervosus 0 0 0 1 1 0 0 0

TABLE 7.1-8 Sample Station Number Collection Method (No. Samples Collected) 2 3 4 5 HT(3) ED(7) HT(2) ED(7) HT(3) ED(7) HT(2)-ED(7) ARTHROPODA (continued) Insecta Diptera Chironomidae (Midges) Chi ro nomi na e --C hi ronomi ni Endochironomus nigricans 0 0 0 0 2 0 0 0 Glyptotendipes lobiferus 1 1 0 3 3 1 2 .1 l Glyptotendipes sp. 1 0. 1 1-3 1 0 1 Harnischia sp. 0 0 0 0 0 ~2 0 0 Parachironomus abortivus 0 2 0 2 2 0 1 0 Parachironomus frequens 0 1 0 1 0 0 0 1 l 4 Parachironomus sp. 1 1 0 0 0 0 0 1 Paralauterborniella sp. 0 0 0 0 0 0 0 1 Y Paratendipes sp. 0 0 0 1 0 1 0 0 Phaenopsectra sp. 0 0 0 1 0 0 0 0 I _P_olypedilum convictum 0 0 0 0 0 0 0 1 Polypedilum fallax 0 0 0 1 0 0 0 0 Polypedilum illinoense 0 1 0 1 0 2 0 -3 Polypedilum sp. 0 0 0 1 0 0 0 2-Pseudochironomus sp. 0 0 0 0 2 2 1 2-Tribelos jucundus 0 0 0 0 0 1 0 'O Tribelos sp. 0 0 0 1 1 0 'O 1 Xenochironomus xenolabis 1 0 0 0 0 0 0 0 I Xenochironomus sp. 1 0 0 0 0 0 0 0 Indet. 0 0 0 0 0 0 0 1 C h i ro nomi n a e --Ta nyta rsi ni Cladotanytarsus sp. 0 0 0 0 0 2 0 0 Micropsectra sp. 0 0 0' 'O O 1 1 0 Pa ratanytarsus sp. 9~ 0 0- -1 0 0 1 0~ Rheotanytarsus distinctissimus 1 0-0. 1 1 0 1 0 i Rheotanytarsus sp. 0 1 0 0 0 1 0 0 Tanytarsus coffmani 0 0 0 0 0 0 0 1 Tanytarsus glabrescens 0 .1 0 0 0 1 0 0 Tanytarsus guerlus 0 0 0 0 0 2 0 2 Tanytarsus sp. 0 1 0 .0 0 1 0 1 1

~ r v., = ,s'a 's t t r# v.c n

?,_ ?p.

u L,. Y . ' G s / f... ' /, TABLE 7.1-9 .s s Sample Station Nudber ~' ] 4l 4 ' e(-f"A-r- I Collection Method (No. Sai.sples Collected) . j. C l.. ' HT(3) ED(7) HT(2) ED(7) HT(3')rf6(7) HT(2) ED(7) ? 2 3 N.?S) ~ S /- -9 p>

2. '

ARTHROP0DA(continued) ,,r Insecta / 6 'r' , 'c' / Diptera f f Chironomidae.(Midges) r j; C hi ro nomi na e --Ta nyta rs i ni -'O O. 0 0 0 0 'O l' Zavrelia gr.06p 0 -r j Indet., / 0 0 0- ,0-' s1 0 0 ,1 - Indet.". Chironomidae. 1 1 'O '3 1 4 1 3 Culicidae: (Mosquitoes, Phantom Midges) Chaoborus sp. 0 0 0 0 0 1, 0 0 e , Indet. 0 0 0 0 0 0 0 2 Rhagionidae (Snipe Flies)> 4 ^ a Indet. 0 0 1 0 0 0 0 0 ? Heleidae (Biting Midges) Palpomyia tibialis-0 0 0 0 1 1 0 4 Palpomyia sp. 0 0 0 0 0 2 0 3 Indet. 0 0 0 0 0 1 0 0 Simuliidae (Black Flies) Indet.. 0 0 0 0 1 0 0 0 Tipulida'e (Crane Flies) Tipula sp. 0 0 0 1 0 0 0 .CL Indet. Diptera 0 1 0 1 0 0 1 0 Hemiptera (Bugs) Indet. 0 0 0 0 0 0 0 'l M0LLUSCA Gastropoda (Snails, Limpets) Bassommatophora Ancylidae (Limpets) Ferrissia sp. 0 0 0 1 0 0 0 0 Physidae (Pouch Snails) Physa sp. 1 2 0 1 1 1 0 0

q-2, y., _

a---

_, ~ i7~.,,s /,-, -g ..j"',,, c,, ' ~ e p ~ <# ^ ' 4,7 f, TABLE 7.1-10;. ~;-- y Sample" Station Number ,s Ok k ~ Collection Method'(No. Samples Collected) -e ~ 3 _ [4 : 5 g HT_(3);ED(7) HT(2) ED(7) HT(3) ED(7) HT(2) ED(7)- ~. s,.,_- ~ MOLLUSCA (continued) Gastropoda 7; Bassommatophora Planorbidae (Orb Snails) ' ' "^~~"/ ~ Gyraulus sp. 0."O O 0 1 0' 0 2-Megagastropoda ~ 0 3 1 2 0 0 0 0 Helisoma sp. ~ ~ Hydrobiidae Amnicola gp. '2 5 2 4 0 0 1 0 Indet. ~ 0 1 0 0 0 0 0 0 Pelecypoda (Clams, Mu'ssels) O Prionodesmacea Sphaeriidae (Fingernail Clams) Musculium sp. 0 0 0 0 0 1 'O .; 0 Pi_sidium sp. 0 2 0 1 0 5 .0 6 Sphaerium sp. 0 6 0 5 0 5 0 4 Unionidae (Freshwater Mussels) . 0 0 1 0 0 0 1 ~~ Elliptio sp. 0 Indet. 0 1 0-0 0 2 0 3 Indet. Pelecypoda 0 0 0 0 0 1 0 0

7.a x - + 2 L i; ) i L SECTION 8 e ) FISH STUDIES e I t I t I f O h w

A [ 8. FISH STUDIES [ 8.1 Fish Impingement' Studies L During all five phases of the special open cycle testing conducted in the years' 1974-1978, fish impinged on. Vermont Yan-kee's traveling screens at_the intake structure were collected each. day and' identified, counted, weighed, and measured. The results of.these studies, sammarized in the Phase V report (Aquatec 1979), provided the basis for'the schedule of impinge-ment studies, set-forth in Vermont Yankee's current NPDES per-mit, to be conducted during open cycle operation. This1 schedule requires a 24 hour sample 3 times per week.in October and the period April'16lthrough May 15,'one' time a' week in November and.' from March 1 through April' 15, and one'24 hour sample per month 1 - in. December,~ January, and February. Impingement studies'during Vermont. Yankee's'1982 open cycle operation under the conditions of the NPDES-permit were concacted in accordance with this i schedule. Additional impingement collections were made in the other-five months of 1982 as a part of the special Project SAVE program of studies. . A, summary of the weight extremes and the extremes in' total I length of the fish species observed in'all the impingement studies in 1982, during both open and closed cycle operation, is given in Table 8.1. In Table 8.2, the numbers and total weight in grams of each' impinged species are shown for each month of the year. The fish species are listed in order of the ' decreasing number of the species impinged in all months of 1982. [ Table 8.2 also shows for each month the mean number of fish impinged per test day in 1982. At the bottom of the table I-are listed, for the months January through May and October i -151-t y -v,,.ri--nr- -,p e - e t---.c, .w-,m .,.c~.w,- t av -e e.w.-+s.w-+-.--3.,-w---.w.e, m-r,~.e. e-w.w.,,.--w.m-e

,-4+-e we----e-ow-

- wu- --~-e.-..ee* -r

-~ TABLE 8.1

SUMMARY

OF WEIGHT AND TOTAL LENGTH EXTREMES OF FISH SPECIES COLLECTED IN'1982 IMPINGEMENT STUDIES Total'

Species Weight (g)

Length (mm) Alosa aestivalis-(Mitchill) Blueback herring 3.0-8.0 77-100 Alosa sapidissima (Wilson) American shad 16 126 Salmo salar Linnaeus. Atlantic salmon 87. 213 1 Osmerus mordax.(Mitchill) Rainbow smelt 1.9-37 75-200 Catostomus canmersoni (Lac 6p4de) White sucker 3.7-679 73-398-Notemigonus crysoleucas (Mitchill) . Golden shiner ~ ~ 1.9-91 58-188-Notropis.cornutus (Mitchill) Connon shiner Notropis hudsonius (Clinton). 1.0-2.3 60-75 Spottail shiner 1.2-12.6 51-117 Hybognathus nuchalis'Agassiz Silvery minnow 2.7-12.0 70-105 Ictalurus nebulosus (LeSueur)~ Brown bullhead 3.4-92 60-187 Ictalurus natalis (LeSueur) Yellow bullhead 7.0 82 Morone americana (Gmelin) -White perch 2.5-258 59-235 . Perca flavescens (Mitchill) Yellow perch - 3.5-245 55-264 Stizostedion' vitreum (Mitchill) Walleye 96 230 Etheostoma olmstedi Storer Tesse11ated darter 0.9-3.2 40-67 Micropterus dolomieui Lac 6p&de Smallmouth-bass 3.0-64 62-175 . Micropterus salmoides (Lacep4de) Largemouth bass 6.5-48 79-150 Lepomis gibbosus (Linnaeus) .Pumpkinseed 1.6-137 42-172 Lepomis macrochirus Rafinesque Bluegill 0.8-102 45-170 Juvenile Lepomis spp. 0.4-5.5 32-69 Ambloplites rupestris (Rafinesque) Rock bass 0.5-82 25-165 e i I -153-Y vTt-1-7 9-- t

us=

-e =rm?n:M 11+-t-v-mv ~ vs-*- ei-: +-W-t7-1-m--- t*-e-

    • --e m

=e--

m-re e---

TABLE 8.2-1

SUMMARY

.BY MONTH OF NUMBER-AND WEIGHT IN GRAMS OF FISH SPECIES' COLLECTED IN IMPINGEMENT STUDIES 1982 .JAN -FEB MAR APR MAY JUN Species No.-Wgt. -No.-Wgt. No.-Wgt.. No.-Wgt. No.-Wgt. No.-Wat. Pumpkinseed 1-3.0 3-11.5' 10-63.8 13-346.6 Juvenile Lepomis spp. 5-13.8 38-63.6 Bluegill 1-3.0 3-107.4 11-58.0 Yellow perch 4-30.5 80-2570.6 26-424.5' Spottail shiner 4-14.7 81-309.3 35H117.3 Rock bass 11-284.4 34-202.8 1-4.8 White perch 11-367.1-18-752.5 Rainbow smelt 33-252.9 Golden shiner 5-61.5 26-318.7 Silvery minnow 16-80.5 11-41.6 i Smallmouth bass 5-29.2 10-176.2 u, Tessellated darter 1-2.3 1-1.6 2-5.0 1" Brown bullhead 4-90.2 5-180.2 2-48~ Blueback herring White sucker 4-19.9 4-693.1 Largemouth bass Common shiner 3-5.3 Walleye 1-96.1 Atlantic salmon 1-87 American shad Yellow bullhead 1-7.0 TOTALS 0-0 1-3.0 14-69.0 237-4095.4 270-3725.3 3-52.8 Number of test days l 1 4 11. 18 15 _ ily means 0-0 1.0-3.0 3.5-17.2 21.5-372.3 15.0-207.0 0.2-3.5 Da Phases I-V Daily means 1.0-66.3 1.2-15.3' 23.6-248.0 71.9-692.3 8.9-113.5 Standard Dev. 1.6-432.9 1.9-42.0 112.4-710.1-102.8-959.0-10.1-215.7

TAB'LE.8.2-2 SUPMARY BY MONTH OF NUMBER AND WEIGHT IN GRAMS OF FISH SPECIES. COLLECTED IN IMPINGEMENT STUDIES 1982-JUL AUG SEP OCT NOV DEC TOTAL Species No.-Wgt. No.-Wgt. No.-Wgt. No.-Wgt. No.-Wgt. No.-Wgt. No.-Wgt. Pumpkinseed 331-1115 1-3.5 23-136.3 382-1679.7' Juvenile Lepomis spp.

288-478.5.

26-42.6 357-598.5 Bluegill 1-2.1 242-710.9 4-12.4 20-58.6 282-952.4 Yellow perch 1-51 17-214.2 9-468.3 2-136 139-3895.1 Spottail shiner 13-53.6 3-11.9 136-506.8 Rock bass 1-14 1-2.0 30-89.7 3-10.6 81-608.3 White perch 3-385 33-232.3 1-7.3 66-1744.2 Rainbow smelt 33-252.9 Golden shiner 1-2.7 32-382.9 2, Silvery minnow 27-122.1 ui Smallmouth bass 1-6.5 4-27.1 20-239.0 y' Tesse11ated darter 8-15.5 12-24.4 Brown bullhead 11-318.4 Blueback herring 11-48.1 11-48.1 White sucker 8-71 3.0 Largemouth bass 2-26.8 6-105.3 8-132.1 Common shiner 3-5.3 Walleye 1-96.1 Atlantic salmon 1-87 American shad 1-16 1-16 Yellow bullhead 1-7.0 TOTALS 2'-65 2-4.1 919-2657.1 20-465.0 138-1137.4 6-155.2 1612-12429.3 Number of test days 11 6 9 15 4 1 Daily means 0.2-5.9 0.3-0.7 102.1-295.2 1.3-31.0 34.5-284.4 6.0-155.2 Phases I-V Daily means 83.2-662.2 7.7-140.8 2.3-46.0 Standard Dev. 148.8-1019.3 15.7-542.5 5.7-109.6 l l.

through December, the dall'y means and standard deviations, for both~ number and weight of fish impinged, that were observed in- -those months in'the five phases of the open cycle test program

conducted'in the years 1974-78.- The:mean' number and weight Limpinged per test day in these months of 1982 were all within two standard deviations of the means observed in-1974-78.

A'brief study of impingement was conducted in September 1976, during the Phase IV open cycle testing. The mean daily impinge-ment rates observed in 17 days of testing then were 7.1-fish.and 35.2 grams, with' standard deviations of 7.0 fish and 29.3 grams. The. impingement rate in September 1982 was much greater than this. But, as already noted, the existing data base for September is limited to 17 days of testing in a single year. Data for the months January through May and October through December.were collected in 1974-78 in 3 to 5 different years and 66 to 150 days. During June, July,'and August, 1982, when Vermont Yankee-was operating in the closed cycle mode of condenser cooling, '7 fish weighing 121.9. grams were impinged on 32 test days; the daily means were 0.2 fish and 3.8 grams. During the other nine months, when condenser cooling was open or hybrid mode, the impinged means per test day.were 25 fish and 192 grams. The means for the five phases of open cycle testing in 1974-78 were

23. fish and 240 grams.

One Atlantic salmon was impinged in May during one of the test days. An additional salmon (36 grams, T.L.=170 mm) was found on the traveling screens on 5 May 1982 when the screens were being backwashed in preparation for the collection of a v ~ 24 hour sample. One American shad was impinged in October. I 8.2 -Resident Finfish Studies A total of 8519 fish were collected in 1982 at Vermont Yankee Sample Stations 2, 3, 4, 5, and 8. The locations of these stations are shown in Figure 8.1. The fish were taken in 350 collections by four capture methods--trap net, gill net, -156-

N \\ U FI S H s, 0 SAMPLE STATIONS 8 ^ U { } s. O \\/t e t 1 CHESTERFIELD SCALE IN MILES I E"aE*Js a BRATTLEBORO 7

__7 l

Ip"O' GUILFORD / NEW HAMPSHIRE ,o ' n /,o \\_ J',/* 5 1 I i "c,., HINSDALE I 4 VERNON I s'"" I

  1. petor l

I VERMONT YANKEE -+ E venieo oau - s VERMONT' 3 1 p g 3 __ _,Y ~~ CHESHIRE_ COUNTY FRANKL'IN' COUNTY FRANKLIN COUNTY MASSACHUSETTS FIGURE 8. I -157-

1 h 1 I ~ ' seine haul, andLelectrofishing. The collected fish were iden- 'tified~and their weight and total length were usually measured and: recorded. In some instances, however, complete and reliable statistics on weight and length were not obtained for each ] specimen. Occasionally a fish escaped before being weighed or ) measured. Some white perch captured for the Project SAVE sur-vival. studies were not weighed and measured, in order to mini-l mize trauma to the fish before placing them in holding cages. The statistics' presented in the following tables include only the fish for which weight and length data were collected. A summary, by station 1and capture method, of the fishing effort /and the numbers and weight of fish collected in 1982 is shown in Table 8.3. The_ data of the 1982 fish collections are-summarized by. species in' Tables 8.4, 8.5, and 8.6. ' Table-8.4 shows for all collections'in 1982 the number, the' total weight, and the-extremes in weight and' total length observed for each species. Table 8.5 summarizes--by sample station, capture method, and number of collections in which the species was taken--the numbers and total weights of the species captured north of Ver-non Dam.- Table 8.6 summarizes these data for the fish collected U-south of Vernon Dam. Frequency 1 distributions by total length -for nine species are shown in. Table 8.7. Twenty-six species of' fish were collected in 1982. Four _ species--northern pike, Atlantic salmon, fallfish, and black l-crappie--were found only in the - collections south of Vernon Dam; ; three species--common shiner, silvery minnow, and tessel-j lated darter--were captured only in collections north of the dam. ~Only one specimen'of northern pike has been captured in g prior years of Vermont Yankee fish studies. That fish, weigh-ing 400 grams with a total length of 400 mm, was collected in September 1980 in an experimental gill net set near Stebbin 1- -158-L.

Island, about 1.25 miles downstream from Vernon Dam. Blueback herring and American shad, first collected in the Vermont Yankee fish stu'ies in 1981, were observed in 1982 also. These species d were introduced into the Vernon area in releases there of Ameri-can shad conducted as part of the continuing effort to restore breeding populations of anadromous fish to the Connecticut River. One Atlantic salmon was captured in May in a trap net set south of Vernon Dam. The rpecies compositions, by weight and by number, of the 1982 collections are graphed in Figures 8.2 and 8.3. These compositions are reduced to a percentage basis and shown in Figures 8.4 and 8.5, along with percentage compositions of earlier surveys to permit comparison with previous studies. All percentages by weight in the 1982 study were within extremes that had been observed in earlier surveys, and the per-centages by number were within extremes previously observed, with the exception of that of yellow perch. The number of yellow perch captured in 1982 constituted 22.5% of the total catch. This exceeded the previous maximum of 17.6% in 1981. In the collections downstream of Vernon Dam, rock bass were 23.5% of the total number of fish and white sucker 45.3% of the total weight in the 1982 catch. Upstream of Vernon Dam, yellow perch constituted the largest percentage by number, 26.1%, and the greatest proportion of the biomass was made up of carp, 25.7% of the total weight of the catch. Scale samples for age determination were taken from white perch, yellow perch, walleye, and smallmouth bass collected j in 1982 that had a total length of more than 50 mm. The results of the reading of these scales, along with the age-growth data collected in years prior to Vermont Yankee's operation with open cycle cooling, are shwon in Tables 8.8 through 8.11. The data on number of annuli and mean total length from these tables are shown graphically in Figures 8.6 through 8.9. -159- ~

/ For white perch and yellow perch, the age-growth curves of the specimens collected north of Vernon Dam do not differ greatly from those of the years 1969-73. However, the data for these species collected south of the dam appear to indicate an enhanced growth rate relative to that observed in the 1969-73 survey. An increase in growth rate is suggested also in the walleye and smallmouth bass data of 1982, both north and south of Vernon 1 Dam. This indication of an increase in growth rate for these species was observed also in the walleye data of the previous five years and in the smallmouth bass data of 1981. The possi-bility that the rate of growth of some fish species has changed significantly in recent years will be investigated further in 1983. Scale samples were collected also from 128'largemouth bass in 1982. The number of this species captured in the years 1969-73 was small so no age-growth data from those years is available for comparison with that of 1982. The results of the counting of annuli on the scales collected in 1982 are shown in Table 8.12. TABLE 8.12 AGE-GROWTH DATA-LARGEMOUTH BASS 1982 Number North of Vernon Dam South of Vernon Dam of Number Total Length (Imn) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 0 30 103 65-165 37 116 72-170 1 7 151 105-173 0 2 13 288 224-350 0 3 11 345 280-395 0 4 14 386 303-435 0 ) 5 5 409 375-450 0 6 6 464 420-490 0 7 3 485 480-490 0 8 0 0 9 1 467 0 10 1 520 0 -160-

r_ TA8LE 8.3 SUPNARY OF FISHING EFFORT ANO RESULTS 1982 CAPTURE METH00 TRAP NET GILL NET SEINE HAUL ELECTROFISHING TOTALS No. No. No. No. SAMPLE No. Weight Net Set No. Weight Net Set No. Weight-No. No. Weight No. No. Weight LOCATION Fish (g) Sets Hours Fish (g) Sets Hours Fish (g) Coll. Fish (g) Coll. Fish (g) Station 2 378 90573 44-1004 3 2337 3 68 0 0 0 11 6407 1 392 99317 Station 3 1160 286677 81 1856 16 5872 7 165 257 137 3 194 95529 6 1627 388215 i Totals - South of Vernon Dam 1538 377250 125 2860 19 8209 10 233 257 137 3 205 101936 7 2019 487532 as Station 4. 2697 548865 113 2641 7 35220 3 72 80 294 2 1669 234946 15 4453 819325 Station 5 1809 501603 65 1501 0 0 0 0 7 9 1 82 24827 1 1898 526439 Station 8 36 3843 4 82 0 0 0 0 0 0 0 12 2611 1 48 6454 Totals - North of Vernon Dam 4542 1054311 182 4224 7 35220 3 72 87 303 3 1763 262384 17 6399 1352218 Totals - All Locations 6080 1431561 307 7084 26 43429 13 305 344 440 6 1968 364320 ' 24 8418 1839750

TABLE 8.4 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT 1982 Total Weight Length Total Weight Extremes Extremes in Species _ Number In Grams In Grams Millimeters Alosaaestivalis(Mitchill) Blueback herring 246 1012.2 1.9-8.5 60-102 Alosa sapidissima (Wilson) American shad 26 305.4 5.6-14 87-123 Alosa spp. 255 2419.2 3-1191 57-520 Salmo salar Linnaeus Atlantic salmon 1 162 162 273 Catostomus connersoni (Lac 6pede) 7-1467 83-533 White sucker 604 465289 Cyprinus carpio Linnaeus Carp 89 368785 53-9750 150-780 Semottlus corporalis (Mitchill) 277-406 Fallfish 3 1272 213-717 Notemigonus crysoleucas (Mitchill) Golden shiner 1 88 15852.5 2-182 54-245 Notropis cornutus (Mitchill) Common shiner 67 783 7-42 81-123 Notropis hudsonius (Clinton) Spottail shiner 347 2006.6 0.9-26 45-130 Hybognathus nuchalis Agassiz Silvery minnow 33 335 10-20 95-110 50-125 Juvenile Cyprinidae 81 382 Ictalurus nebulosus (LeSueur) Brown bullhead 29 11794 106-705 198-362 Ictalurus natalis (LeSueur) Yellow bullhead 2 547 55-492 163-318 Esox 17.fus Linnaeus Northern pike 2 4930 2380-2550 705-736 Esox niger LeSueur Chain pickerel 4 3159 497-915 427-545 Anguilla rostrata (LeSueur) American eel 42 ~ 21196 8.0-1700 170-1020 Fundulus diaphanus (LeSueur) Banded killifish 2 2.2 0.2-2 27-51 Morone americana (Gmelin) White perch 1691 308503.4 4.7-528 71-323 Perca flavescens (Mitchill) Yellow perch 1892 161578.7 2-375 70-305 l Stizostedion vitreum (Mitchill) Walleye 111 82448 34-3630 158-715 j Etheostoma olmstedi Storer Tessellated darter 4 4.1 0.8-1.6 32-47 Micropterus dolomieui Lacep8de Smallmouth bass 735 162820.9 2.1-1640 49-480 Micropterus salmoides (Lac 6pbde) Largemouth bass 141 50330.8 3-2180 65-520 Lepomis gibbosus (Linnaeus) Pumpkinseed 637 59339 2-265 48-225 Lepomis macrochirus Ra'inesque Bluegill 163 21436 1-375 45-238 l Lepomis spp. 282 209 0.1-3.2 18-50 Ambloplites rupestris (Rafinesque) Rock bass 740 92833 4-378 57-265 Pomoxis nigromaculatus (LeSueur) Black crappie 1 15 15 105 TOTALS 8418 1839750 l -162-

TABLE 8.5-1 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM-1982 Station Capture No. of No. Weight _ Species Totals Species No. Method

  • Coll.

Fish Grams No. Weight Blueback herring 4 TN 3 142 572.1 SH 1 42 164.3 EF 2 26 129 5 TN 1 36 146.8 246 1012.2 American shad 4 TN 2 24 282.4 EF 1 2 23 26 305.4 Alosa spp. 4 TN 2 6 37 EF 6 . 245 1177,2 5 TN 1 2 11 253 1225.2 . White sucker 4 TN 56 145 103690 EF 7 55 26839 5 TN 38 136 113850 336 244379 -Carp 4 TN 16 24 100110 GN 3 7 35220 EF 20 20 82250 5 TN 17 32 128500 EF 1 1 1590 84 347670 Golden shiner 4 TN 23 46 4427 i EF 8 32 1858.5 5-TN 9 89 8277 i EF 1 9 482 176 15044.5 Common shiner 4 TN 2 5 69 EF 1 1 7 5 TN 3 61 707 67 783 i Spottail shiner 4 TN 6 24 357.4 EF 7 290 1404.5 5 TN 3 15 185 329 1946.9 Silvery minnow 4 TN 1 1 10 EF 2 31 305 5 TN 1 1 20 33 335 Juvenile Cyprinidae 4 EF 2 81 382 81 382 Brown bullhead 4 TN 2 2 489 5 TN 4 4 1265 6 1754 -163-

TABLE 8.5-2 i ' FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM 1982 Station Capture No. of No. Weight Soecies Totals -Species No. Method

  • Coll.

Fish Grams-No. Weight -Yellow bullhead 5 TN 1 1 55 1 55 Chain pickerel 4 TN 1 1 497 5 TN 2 2 1747 3 2244 American eel 4 TN 3 2 1954 EF 6 10 5650 5 TN 4 3 2927 15 10531 Banded killifish 4 EF 1 1 2 1 2 White perch 4 TN 91 730 135878.9 EF 13 257 28648.5 5 TN 45 585 115266 EF .1 26 4931 8 TN 3 7 1579-EF 1 2 380 1607 2866u3.4 Yellow perch 4 TN 71 831 72773.9 SH 1 1 5.8 -EF 15 394 22095 5 TN 35 425 42371 I EF 1 11 71 3 ^ 8 TN 3 8 383 1670 138341.7 Walleye 4 TN 29 58 40365 EF 6 18 9557 5 TN 14 15 18136 EF 1 2 3069 93 71127 Tessellated darter. 4 SH 1 3 3.2 5 SH 1 1 0.9 4 4.1 j. i Smallmouth bass 4 TN 59 158 36097 SH 2 28 105.1 EF 14 96 22693 5 TN 31 112 32846 EF 1 7 1175 8 TN 2 4 692 EF 1 7 1770 412 95378.1 -164-

TABLE 8.5-3 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS NORTH OF VERNON DAM 1982 Station Capture No. of No. Weight Species Totals Species No. Method

  • Coll.

Fish Grams No. Weight l Largemouth bass 4 TN 5 6 2558 SH l 1 4.8 l EF. 11 55 30948 5 TN 5 24 .4245 EF 1 17 11725 103 49480.8 Pumpkinseed 4 TN 46 348 35261 EF 8 49 1370 5 TN 29 127 15056 EF 1 5 469 529 52156 Bluegill 4 TN 8 16 1332.5 EF 4 7 208 5 TN 4 15 225 EF 1 4 673 42 2438.5 Lepomis spp. 4 SH 1 5 10.6 EF 2 5 6.5 5 SH 1 6 8.0 16 25.1 Rock bass 4 TN 38 122 11497 5 TN 26 124 15767 8 TN 3 17 1189 EF 1 3 461 266 28914 TOTALS NORTH 0F VERNON DAM 6399 1352217.9 s

  • TN--Trap net, GN--Gill net, SH--Seine haul, EF--Electrofishing.

-165-

l TABLE 8.6-1 FISHES OF THE CONNECTICUT RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS SOUTH OF VERNON DAM 1982 Station Capture No. of No. Weight Species Totals Species No. Method

  • Coll.

Fish _ Grams No. Weight l -Alosa spp. 2 GN 1 1 1191 j 3 TN 1 1 3 2 1194 1 -l Atlantic '. salmon 3 TN 1 1 162 1 162 1 -White sucker 2 TN 19 39 33453 GN 1 1 903 EF 1 5 4620 3 TN 41 169 136240 GN 3 3 3137 EF 5 51 42557 268 220910 Carp 3 TN 1 1 53 EF 2 4 21062 5 21115 Fallfish 3 TN 2 2 555 GN 1 1 71 7 3 1272 -Golden shiner. 2 'TN 1 1 107 3 TN 5 7 257 GN 2 3 314 EF 1 1 130 12 808 Spottail shiner-2 TN 1 1 10 3 TN 3 3 28 SH 1 14 21.7 18 59.7 Brown bullhead-2 TN 4 5 1933 3 TN 9 17 7459 GN 1 1 648 23 10040 Yellow bullhead 3 TN 1 1 492 1 492 l' \\ -Northern pike 3 TN 1 1 2550 EF 1 1 2380 2 4930 Chain pickerel 2 TN 1 1 915 1 915 ) American eel 2 TN 5 5 2839 EF 1 2 907 3 EF 5 20 6919 27 10665 Banded killifish 3 SH 1 1 0.2 1 0.2 White perch 2 TN 8 25 6469 3 TN 23 50 12532 EF 2 9 2819 84 21820 -166-I

TABLE 8.6-2 FISHES OF THE CONNECTICUT.' RIVER IN THE VICINITY OF VERNON, VERMONT COLLECTIONS SOUTH OF-VERNON DAM: 1982 . Station Capture No.-of No. Weight Species Totals Species No. Method

  • Coll.

Fish Grams No. Weight i Yellow perch -2 TN 16 55 6477 t -GN 1 1 243 L 3 TN 35 1 51 14645 L GN .1 3 285 EF 4 12 1587 -222 23237 Walleye 2 TN 1 2 1218 3-TN. 11 12 8928-GN 1 1 268 EF 2 3 907 18 11321 4 Smallmouth bass 2 TN 21 '85 17175 EF 1 4 880 3 TN 45 162 35077 SH. 1 3 16.8 EF .6 69 14294 323 67442.8 .Largemouth bass 2 TN-1 1 39 3 TN 12 37 811 38 850 Pumpkinseed 2 TN 4 11 326-3 TN 30 .92 6466 GN 1 1 152 i SH l 1 2 EF-2 3 237 108 '7183 Bluegill-2 TN 6 8 1252.5 4 3 TN 33 101 16276 EF 2 12 1469 121 18997.5 Lepomis spp. 2 TN 1 6 10 4 3 TN 4 22 78 4 SH 3 238 95.9 266 183.9 [ Rock bass 2 TN 26 133 18350 3 TN -50 329 44050 f GN 2 3 351 EF 4 9 1168 474 63919 . Black crappie 3 TN 1 1 15 1 15 TOTALS SOUTH OF VERNON DAM 2019 487532.1

  • TN-Trap net, GN-Gill net, SH-Seine haul, EF-Electrofishing.

-167-

TABLE 8.7 FREQUENCY DISTRIBUTION OF FISH SPECIES -BY TOTAL LENGTH 1982 Total SMALLM0UTH Length WHITE PERCH ' YELLOW PERCH BASS PUMPKINSEED BLUEGILL ROCK BASS' (mm) No. Wgt.(g)- No. Wgt.(g) No. Wgt.(g) No. Wgt.(g) No. Wgt.(g) No. Wgt.(g) 0-20 21-40 41-60 4 'll 3 9 10 21 1. 4 61-80 4 22 9 51 9 44 16 106 14 62 81-100 10 96 43 348 11 120 10 159 1 17 7 117 101-120 16 229 24 334 5 89 25 695. 26 736-121-140 1 35 33 928 4 134 65 3180 2 91 44 2011 141-160 24 1331 170 6291 21' 1071 35 2871 2 137 91 6559 4 2. 161-180 57 4088 110 6045' 41 2679 152 17682-20 2272-181 17855 g; 181-200 153 14841 211 16383 50 4419 97 15332 -42 6473 210 29437 e 201-220 171 23350 220 23321 52 6294 9 1699 40 8474 118 21970 221-240 336 61381 166 23399 120 18294 2 524 12 3810 37 8765 241-260 337 78072 100 .17985 85 16151 11 3215 261-280 156 44465 48 11001 71 17228 4 1433 281-300 64 22664 9 2369 68 20459 301-320 12 5164 1 375 43 16707 321-340 2 1051 29 .12919 341-360 12 6582 361-380 9 5742 _381-400 9 7002 401-420 8 6400 421-440 5 5203 441-460 1 1130 461-480 3 4153 481-500 TOTALS 1343 256789 1144 108830 660 152831 414 42257 143 21357 730' 92102 1 .2. L 9 m

TABLE 8.7-2 FREQUENCY DISTRIBUTION OF FISH SPECIES BY TOTAL LENGTH 1982 Total Length WHITE SUCKER CARP WALLEYE (mm). No. Wgt.(g) No. Wgt.(g) No. Wgt.(g) 0-20 21-40 41-60 61-80 81-100 1 7 101-120 1-11 121-140 7 152 141-160 2 71 1 53 1 34 161-180 1 48 181-200 1 66 2 140 201-220 1 123 4 301 221-240 1 129 3' 269 241-260 1 157 261-280 3 665 281-300 8 2163 3 562 4 301-320 7 2319 5 1306 321-340 7 2922 7 2115 341-360 6 2763 10 3555 361-380 28 15524 6 2517 381-400 37 23130 6 3009 401-420 68 49198 9 5013 421-440 -77 62385 10 6826 441-460 67 60960 1 1590-7 5217 461-480 39 39334 1 992 9 8159 481-500 28 30090 2 4790 6 6050 501-520 8 9757 4 4380 521-540 1 1467 2 2608 541-560 2 3217 561-580 4 12080 5 7800 581-600 7 22740 4 7042 601-620 10 35230 1 2040 621-640 8 32050 2 4230 641-660 14 59420 1 2380 661-680-11 47380 681-700 6 27710 701-720 5 25830 1 3630 721-740 3 16620 741-760 4 26200 761-780 1 9750 781-800 TOTALS 399 303393 78 322435 111 82448 -169-

-GRAMS i.e s. gg,0003 1100 - 500 77 RESI. DENT FISH SPECIES ,oon _ 4g _ COMPOSITION BY WEIGHT 900 - 4oo _ 1982 SURVEY /[ /, ~ 350 - n-h E- // y 600 - / 250 - / a < 500 - p S 200 - 400 - 10 z '~ ~ / /E / / / ~ /n o_ o n s i. e. Si le !,= WE .5 si i 55 s" Em 1: 25 e4 53 2 er s8 38 05 =0 2" rd 58 5 'a

  1. h FIGURE 8.2 2000

[/ RESIDENT FISH SPECIES 1800 - / COMPOSITION BY NUMBER ~ 1982 SURVEY I400 - / en 1200 - // g iOOO - V,/,

V Y /
A AA A/>!/>/1/A I_

E., E! = .w h Ne Ih I kb $i !s e=

=

n 2-e se e 2 !r OS 00 10 ?* rd 58 5

  1. 3 FIGURE 8.3

-171-

-....w.-. SEICEPS REHTO LLA M-e SIRTSEPUR SETILPOLBMA .PPS SIMOPEL A H IQ m n( IUEIMOLOD SURETPORCIM m g O DC m. T Z n( O S NECSEVALF y] ACREP I nc b E o H o 3 ANACIREMA z ENOROM m No n( >a m 3 EADINIRPYC O SUONEGIDNI )2 m. 1 OIPRAC SUNIRPYC J asse ers' ,"7,, g,,, INOSREMMOC .7,, sr si *"' 3y,, SUMOTS OTAC sevrh 07 - 969 t - I I I I I I I I I O O O O O O O O o 5 o 5 e e N m a a w THGlEW YB TNECREP l -LLE-

-ell-PERCENT BY NUMBER a e n e e 5 o 5 8 o o o o O O O O I l i I I I I I - - t * - 70 5* ** ' ists, COMMERSONI - - **7' , a ise, ...o s*** CYPRINUS CARPIO

  • U m

INDIG ENOUS 2 O CYPRINIDAE Mg g a m O g m MORONE n AMERICANA g 2 5 o H c K g 71 C 65 m SE I PERCA FLAVESCENS 3 O (/) .Z "U m CD O =N M MICROPTERUS Z (f) DOLOMlEUI C E [D m 2) LEPOMIS SPP. A AMBLOPLITES RUPESTRIS ALL OTHER SPECIES

TABLE 8.8 AGE-GROWTH DATA - WHITE PERCH-ALL COLLECTIONS Number 1969 - 1973 1982 of Number Total Length (mm) Number Total Length (Imn) Annuli' Specimens Average Extremes Specimens Average Extremes 0 47. 91 62-130 27 105 71-189 i 1 8 178 169-194 -66 180' 96-222 2 94 202 155-245 434 215 147-263 3 253 231 175-276 308 234 105-293 4 112 244 204-303 212 249 156-305 5 18 267 239-311 153 260 210-310 6 5 284 270-308 76 267 200-305 7 0 32 271 '230-310 COLLECTIONS NORTH OF VERNON DAM Number 1969-1973 1982 'of Number -Total Length (mm) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 'O 43 90 62-130: 26 105 71-189 1 7 176 169-180 63 180 96-222 2 64 198 155-235 405 213 147-263 3 '118 224 175-276 288 233 105-293 i 4 48 239 204-285 202 248 156-291 5. 12 269 247-311 147 260 210-300 6 4 278 270-296 76 267 200-305 1 7 0 29 269 230-310 I I COLLECTIONS SOUTH OF VERNON DAM i l Number 1969-1973 1982 of Number Total Length (rmn) Number Total Length (Imn) Annuli Specimens Average Extremes Specimens Average Extremes O 4 94 68-110 1 109 i 3 184 175-200 [. l' 1 194 l 2 30 210 178-245 29 239 203-163 l 3 135 235 186-270 20 257 220-281 4 64 247 213-303 10 272 228-305 5 6 263 239-285 6 274 256-310 6 1 308 0 l' 7 0 3 294 280-302 1 -174-I..

AGE-GROWTH GRAPHS - WHITE PERCH ) i mm. in. 350 - - 13 - 12 300 - /.*___. -H sMg/ 250 - - 10 f I 200 --8 e. e -7 8 150 --6 ,/ -5 100--4 L -3 1969-1973 50 --2 1982 -l O O O I 2 3 4 5 6 7 NUMBER OF ANNULI NORTH AND SOUTH OF VERNON DAM m m. in, m m. in. 350 - 350 - - 13 - 13 ' 320 -- 12 - 12 300 - - II pe - 11 .[, / * ', /

  • 250 -- 10 250 -- 10
p..

[,.- '.9 x 200 --8 200 --8 -7 / -7 / $ 150 --6 / 150 --6 / -5 / -5 f [ 130 --4l / 10 0 --4 -3 -3 50 --2 50 --2 -1 -1 O O 0--O O 1 2 3 4 5 6 7 0 t 2 3 4 5 6 7 NUMBER OF ANNULl NUMBER OF ANNULI NORTH OF VERNON DAM SOUTH OF VERNON DAM FIGUR E 8.6 -175-

TABLE 8.9 AGE-GROWTH DATA - YELLOW PERCH ALL COLLECTIONS Number 1969 - 1973 1982 of Number Total Length (mm) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 0 45 81 45-118 51 101 70-207 1 44 122 67-183. 223 150 90-223 2 80 192 156-235 370 191 143-288 3 71 216 158-249 288 220 158-276 4 74 234 208-266 120 240 184-287 5 50 251 217-280 34 255 190-295 6 23 270 225-295 9 262 232-280 7 9 281 265-302 6 256 236-267 1 267 8 2 285 0 9 0 0 10 1 305 COLLECTIONS NORTH OF VERNON DAM Number 1969 - 1973 1982 of Number Total Length (mm) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 0 22 83 45-118 36 100 70-207 1 30 126 67-183 194 149 90-223 2 73 190 156-235 326 189 143-288 3 49 218 170-249 261 219 158-276 4 37 232 208-266 90 236 184-278 5 22 251 217-271 29 253 190-295 6' 4 271 261-282 7 269 248-280 7 2 269 265-272 4 254 236-267 8 2 285 1 267 0 9 0 10 1 305 0 COLLECTIONS SOUTH OF VERNON Number 1969 - 1973 1982 of Number Total Length (mm) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 0 23 80 47-101 15 103 80-117 1 14 115 101-156 29 156 99-218 2 7 209 174-230 44 210 160-269 3 22 212 158-241 27 235 201-267 4 37 237 211-262 30 253 225-287 5 28 250 230-280 5 270 233-295 6 19 270 225-295 2 237 232-241 7 7 285 267-302 2 259 255-263 0 8 0 9 0 0 10 0 0 -176-

AGE-GROWTH GRAPHS - YELLOW PERCH m m. in. 350 - - 13 300 - - 12 - 1I 250 - - 10

  1. gf

-9 I 200 - -8 ~ Z ,/ t w J 150 --6 / j. -5 10 0 --4 1969-1973 50 --2 1982 ~~ ~~~ -1 0--O g g g g g g g g y O I 2 3 4 5 6 7 8 9 10 NUMBER OF ANNULI NORTH AND SOUTH OF VERNON DAM mm. in, mm. in. 350 350 - - 13 - 13 30 0 -~ 32 300 -- 12 - ll / - 11 /* /*q*,' ,e, y* 250 -- 10 250 - 10 / ' ',e g ,f'./

  • ,e,

-9 -9 / / Z 200 --8 200 --8 j -7 -7 / L $ 150 --6 ./ 15 0 --6 / L / -5 ,/. -5 y' 10 0 --4 100 --4 o -3 -3 50 --2 50 --2 -l -l @--O O O g g g g g g g i i O 1 2 3 4 5 6 7 8 9 10 O I 2 3 4 5 6 7 8 9 10 NUMBER OF ANNULt NUMBER OF ANNULI NORTH OF VERNON DAM SOUTH OF VERNON DAM FIGURE 8.7 -177-

.] i,' [ ; 3 i ,.c J.,, c.; f. " ~- J-'

.' M ) *-- g N,; L ;
  • 3 ;.; d '.,*.c,l.;,.:.. t,..;. l, h l' p,

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.m I s -c g g TABLE 8.10 s 3 s 4 /. s. - AGE-GROWTH--DATA - WALLEYE ,m 's ALL COLLECTIONS s 1969 - 1973 1982 Number of Number Total Leng T (mm).. Number Total Length (mm). Annuli Specimens Average Extremes Specimens Average Extremes 0 4 158 129'-186 6 191 158-208 1 8 216 163-275 17 311 200-420 'o 2 16 306 246-362 26 367 318-418 3 28 345 242-392 16 431 330-535 _s t 4 29 368 021-407 12 448 418-492 s

  • 'l 5'

l t 15 377 303-425 16 503 465-520 c

  • I 6 I'I 6

436 39 D 2480 " 9 569 490-610 7 3 484 l '425-527 6 633 568-715 _._ 3 ,, t - 4 p ~ COLLECTIONS NORTH GJ VERNON DAM ^y, i NuhtNtr 1969 - 1973 1982

  • i 'E Number Total Length (rem),

Number Total Length (mm) Annuli Specimens Averrge Extremes Specimens Average Extremes c g 0. 1, (Lt6 6 191 158-208 r 1* 59 205"- 163-250 16 308 200-420 \\k 2 12) 299 246-362 23 369. 320-418 - I, 3' 16 346 291-2.92 10 449 407-535 4 13 370 321/407 10 450 418-492 5 'll 388 3 6 4 - 4'<' 5 14 504 465-520 N' 409-430, 7 576 490-610 t 6 5 446 4 \\ 7i 1 527 h l 6 633 568-715 ~~ ( / COLLECTIONS SOUTH OF VERNON DAM g JAumbetz

l'969 - 1973 1982 3 o f-I,

Number Total Length (mm) Number Total Length (mm) Ahnu,ll Specimens Average Extremes Specimens Average Extremes s O 3 149 129-180 4 1 3 234 176-275 1 362 ~! 2, 4 326 303-337 3 354 318-387 i 8 s 3' 12 338 242-390 6 402 330-435 l 4' 11 367 331-402 2 438 432-443 5 4 347 303-383 >2 500 480-520 5 6 1 390 2 545 530-560 7 2 463 425-501-0 ~ s ( 's ( s. r6 -178-v }

{.--. t ,j AGE-GROWTH GRAPHS - WALLEYE L.l '. -,[ ',l.4 m m. in. [ t 600 / v.; s'. y s - 22 / 7,...., :. i - 4 ~,. ~ ,e' 600 - - 20 ~, ' e/ -18 v 400 - ,16 ,f , /. f. - 14 ."t x e/ ~ =% / g 3o4 - 12 / a t w .{. ' L'. E - 80 / i / 200 --8 1969-1973 150 --6 10 0 --4 1982 ,. j,. 50 --2 0--O [?'- k,.. g g g i i g g '.y 4 O I 2 3 4 5 6 7 8 . a..: - NUMBER OF AN NULI ' '? NORTH AND SOUTH OF VERNON DAM .:5, % s.. se .\\ ,u ~ mm. in. 7'J m m. in. 600 600 { -' %

  • f

- 22 ^* - 22 / s,. ,f 500 -- 20 ,e 500-- 20 e' .,l.. / ,f' -v. l 9.

  • d'.7

- 18 - 18 t j , ',s i,, .] f f 400 -- 16 400 -- 16 e s ty.7*s e ' -* ' ./*N. -,.Jl - 14 .T -- 14 / ' E 300 -- 12 300 -- 12 'q. .( w - 80 4-2 -- 80 t 800 --8 / ..], 7* 200 --8 -6 --6 v 10 0 --4 10 0 --4 -2 --2 O--O 0--O y g g g i i g g i i O I 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 As'. i, NUMBER OF ANNULl NUMBER OF ANNULl NORTH OF VERNON DAM SOUTH OF VERNON DAM p C.. (:l FIGURE 8.8 .. :-;s ~ -179- .:.,,~ ' . ;., 0. [ '.,. s

TABLE 8.11 AGE-GROWTH DATA - SMALLMOUTH BASS ALL COLLECTIONS Number 1969 - 1973 1982 of Number Total Length (un) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 0 16 68 45-102 13 123 86-245 1 25 164 108-213 81 178 100-266 2 31 206 161-255 195 225 152-284 3 59 239 197-293 199 265 192-334 4 50 275 220-315 71 308 221-395 5 36 305 262-350 22 342 265-412 6 16 346 305-376 14 393 335-465 7 4 370 343-406 5 382 352-422 8 1 357 6 427 410-445 9 2 412 398-425 0 0 10 0 11 1 411 0 COLLECTIONS NORTH OF VERNON DAM Number 1969 - 1973 1982 of Number Total Length (mm) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 0 5 50 45-57 5 136 88-245 1 21 161 108-213 50 179 100-266 2 29 205 161-255 80 228 162-282 3 44 235 197-293 99 270 193-334 4 23 272 220-315 41 310 257-395 5 23 300 262-339 13 348 265-412 6 12 339 305-362 10 391 345-465 7 2 386 365-406 4 372 352-398 5 425 410-445 8 0 9 1 398 0 0 10 0 0 11 0 COLLECTIONS SOUTH OF VERNON DAM Number 1969 - 1973 1982 of Number Total Length (mm) Number Total Length (mm) Annuli Specimens Average Extremes Specimens Average Extremes 0 11 76 51-102 8 116 86-177 1 4 173 150-207 31 176 104-223 2 2 225 211-238 115 223 152-284 3 15 252 232-274 100 261 192-322 4 27 279 245-305 30 305 221-363 5 13 312 290-350 9 332 291-383 6 4 346 352-376 4 399 335-440 7 2 334 343-364 1 422 8 1 357 1 435 9 1 425 0 0 10 0 11 1 411 0 -180-

AGE-GROWTH GRAPHS - SM ALLMOUTH 8 ASS m m. in. 450 - 400 - - 16 ,/ i / j* %, 350 -- 14 , y/ / 300 -- 12 ,f ,i [ 250 -- 10 ff f*/ U 200 --8 / 150 --6 100 --4 1969-1973 ~ 1982 50 --2 0 0 O I 2 3 4 5 6 7 8 9 10 11 NUMBER OF ANNUL 1 NORTH AND SOUTH OF VERNON OAM m m. in, m m. in. 450 - 450 -'

  • N, f

400 -- 16 400 -- 16 .e i f 350 -- 14 350 -- 14 f ,s'

  • ,/*,f

~ ~ 300 -- 12 ,f 300 -- 12 f h 200 -- 10 , f' 250 -- 10 8 ,v a 200 --8 /* 200 --8 ~ s p ~ 100 --6 f 150 --6 / y / 10 0 --4 10 0 - - 00 --2 50 --2 O I 2 3 4 5 6 7 8 9 IO ll 0 1 2 3 4 5 6 7 8 9 10 11 NUMBER OF ANNULI NUMBER OF ANNULI NORTH OF VERNON DAM SOUTH OF VERNON DAM FIGURE 8.9 -181-

LITERATURE CITED APHA et al. 1976. Standard methods for the examination of water and wastewater. 14th edition. Published jointly by American Public Health Association, American Water Works Association and Water Pollution Control Federation; Washington, D.C. Aquatec, Incorporated. 1975. Ecological studies of the Connecti-cut River, Vernon, Vermont. Report IV, January-December 1974. Report prepared for Vermont Yankee Nuclear Power Corporation. 1976. Ecological studies of the Connecticut River, Vernon, Vermont. Report V, January-December 1975. Report Prepared for Vermont Yankee Nuclear Power Corporation. 1979. Hydrothermal and biological studies, Connecticut River, Vernon, Vermont. Phase V October 1977-May 1978. Report pre-pared for Vermont Yankee Nuclear Power Corporation.

Binkerd, R.

C. et al. 1983. Operational and biological studies, the Vermont Yankee / Connecticut River system. First progress report, 1981 and 1982. Aquatec, Inc., South Burlington, Vermont. -183-}}

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