ML20196H764

TMI Aquatic Study Monthly Progress Rept for May 1988

ML20196H764
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Site:	Three Mile Island
Issue date:	05/31/1988
From:	RADIATION MANAGEMENT CORP. (RMC)
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THREE~ MILE ISLAND AQUATIC STUDY q

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-MONTHLY PROGRESS REPORT FOR MAY 1988 Prepared For GPU Nuclear Corporation P. O. Box'480, Route 441 South Middletown, Pennsylvania 17057

-By RMC Environmental Services

, 1921 River Road, P. O. Box 10 Drumore, Pennsylvania 17518 l

June 1988 l

\

l l 8807060242 890627 PDR ADOCK 05000289 ,

i R PDC T i

. . * . ' , s,.

INTRODUCTION The objective of this monthly' report'is to document compliance with the nonradiological (aquatic) environmental monitoring ~ programs specified in Sections 3.1.la(4), 3.1.2a, and 4.6.1 of the Environmental. Technical Specification (ETS). These programs are being carried out as directed in the Environmental Controls Aquatic Sampling Manual. Program

' elements being conducted under contract to GPU Nuclear Corporation include benthic macroinvertebrates, ichthyoplankton, fish. population dynamics (seine and electrofishing), creel surveys, and water quality. The ultimate purpose of these studies is to obtain a database sufficient to establish the natural fluctuations within the ecosystem and identify any significant biological

. alterations resulting from the Three Mile Isla'nd Nuclear Station (TMINS).

Compliance with all programs specified in the ETS and

-detailed in the Aquatic Sampling Manual was achieved in May

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1988 (Table 1). Inclement weather, high river flow, and manpower problems resulted in changes to the TMINS Aquatic Sampling Schedule for May. The programs effected were ichtyoplankton, s ei rie , electrofishing, and creel survey.

All affected programs were completed within the compliance specifications of the Aquatic Sampling .lanual.

1

Data presented herein are considered provisional, pending subsequent proofing, analysis, and presentation in

.the annual report.

. Benthic Macroinvertebrates objective: To assess the abundance, distribution, and diversity of benthic macroinvertebrates at three stations in the vicinity of-TMINS.

P rog re:;s : Replicate (4) macroinvertebrate samples were collected at each of the three stations on 5 May 1988 (Table 1). Sorting of the 5 May samples has been completed; identification of the April samples is nearly completed. Analysis of the 5 May samples has been initiated.

Ichthyoplankton Objective: To determine species composition, relative abundance, density, and seasonal and spatial distribution of ichthyoplankton at eight stations in the vicinity of TMINS.

Progress: Replicate (2) ichthyoplankton samples were l

taken at each of the eight stations on 3, 11, 18, 25, and 31 May 1988 (Table 1). All samples collected 2

. _ - - - . .- - . - . . . - . _~.

F.

,. ',4,.

through 31 May have been sorted; identifications have.

been completed through 19 April.

Seine Objective: To assess species composition; relative abundance; seasonal and spatial distribution; condition factor; occurrence of parasites, anomalies, and fish kills; and species diversity of fishes vulnerable to seine capture at six stations in the vicinity of TMINS.

Progress: Seine collections were taken at each of the six stations on 3 and 31 May 1988 (Table 1). Processing is completed through 3 May; work was initiated on the 31 May samples.

Results of the April 1988 samples are presented in Table 2. A total of 1,265 fish of 13 species was collected on 20 April 1988. Most fish (562) were taken at. Stations 4A2 and 1385, but most species (9) occurred at Station 10A2. Spotfin shiner dominated the catch.

Parasites and anomalies were observed on 201 fishes.

Black spot, glochidia (clam larvae), and pugheadedness were most prevalent occurring chiefly on the spotfin shiner, spottail shiner, and mimic shiner, repectively.

3

Electrofishing Objective: To assess species composition, relative abundance, occurrence of parasites and anomalies, and species diversity of fishes vulnerable to electrofisher captured at six stations in the vicinity of TMINS.

Progress: Electrofishing at the six stations was completed on 12-13 and 26-27 May 1988 (Table 1). A combined. total of 1,319 fish of 23 species was collected in May (Tables 3 and 4). Most fish (396 specimens) were

, collected at Station llBl; most species (16) were taken at Stations 13Al and 985. The catch was dominated by the pumpkinseed, smallmouth bass, and redbreast sunfish.

Bluegill and rock bass were also abundant.

Ectoparasites and anomalies were observed on 104 fish; anchor worms (Lernaea), popeye condition, fin damage, and leeches were most prevale-O. RLabreast sunfish, pumpkinseed, and bluegill were most commonly affected.

Creel Survey Objective: To investigate the extent and success of sportfishing, and determine angler residence and use of catch, in the Susquehanna River near TMINS.

4

i V Progress: Creel surveys were conducted on 4, 9, 14, and 29 May 1988 (Table 1). Interviews consisted of 592 anglers _who fished a total of 1237.05 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />, caught 2612 fish, and harvested 646 fish (24.7% of the total catch)

(Tables 5 through 8). The average catch per effort (c/e) and harvest per effort were 2.11 and 0.52 fish per hour, respectively. Smallmouth bass, rock bass, and villeye were the predominant species caught (999, 535, and 410 specimens, respectively). Fishing pressure was greatest in the General Reservoir with 289 anglers fishing a total of 552.4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. Most fish were caught (860) and harvested (283) from the East Dam area. The highest catch per effort (3.88) and harvest per effort (1.15) occurred at the West and East Dam areas, respectively. Anglers were predominantly residents of York or Dauphin counties, and the majority reported that they eat or would eat a portion of their catch.

Water Quality Analysis Objective: To measure select physical and chemical parameters of the Susquehanna River in the vicinity of TMINS concurrent with General Ecological Survey samples.

l Progress: Water quality samples were collected on 5 May j 1988 (Table 1) and forwarded to TMI-EC for analysis of 1

5

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, TDS. Selected water quality parameters were also

'- measured at sampling' times and locations describ>d-in the Aquatic Sampling l4anual.

r. s k'

f i

i I'

i I- 6

. . _ ~ . . _ , - , .

6, - ,

,4 TABLE 1 Sampling conducted in May 1988.in compliance with Three Mile Island Nuclear Station's Environmental Technical' Specifications. X's equal week in which program / work completed.

PROGRAM MAY-I-7 8-14 15-21 .22-28 29-31 Benthic Macroinvertebrates X Ichthyoplankton. X X X X X Seine X X Electrofishing X X Creel Survey X XX X Water Quality Analysis X i

I 7

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4 TABLE 1 .--

Fishes taken by seine on 20 April 1988 near' THINS. Station prefix TM-SE- deleted from table.

Station 1385 1085 16Al 10A2 983 4A2 Total  % Catch Time 0805 0842 1015 1038 1110 0922 Air Temp (C) 7.0 9.0 9.0 9.0 10.0 8.5 Water Temp (C) 8.7 10.0 9.0 8.8 9.2 9.2 Dissolved Oxygen (mg/1) 11.8 13.0 11.7 11.9 12.0 11.3 pH 8.6 8.6 7.2 8.0 7.9 8.2 Secchi Disc (cm) 180.3 177.8 127.0 129.5 119.4 175.3 River Stage (m) 1.35 1.35 1.35 1.35 1.35 1.35 Weather Clear Clear Partly Partly Partly Partly Cloudy Cloudy Cloudy Cloudy No. of Specimens 562 16 13 74 58 562 1285 No. of Species 5 3 5 9 1 8 13 No. of Hauls 4 4 5 5 4 3 25 Spottail shiner 20 6 1 30 58 1 116 9.0 Swallowtail shiner 6 - - - -

1 7 0.5 Spotfin shiner 265 8 8 2 -

511 794 61.8 Mimic shiner 261 - -

24 -

5 290 22.6 Bluntnose minnow 10 2 -

3 -

27 42 3.3 Northern hog sucker - -

1 1 - -

2 0.2 Shorthead redhorse - - -

1 - -

1 0.1 Pumpkinseed - -

1 - -

7 8 0.6 Bluegill - - - - -

9 9- 0.7 Smallmouth bass - - -

1 - -

1 0.1 Black crappie - - - - -

1 1 0.1 Tessellated darter - -

2 11 - -

13 1.0 Banded darter - - -

1 - -

1 0.1

TABLE 2 -.

Fishes taken by the AC electrofisher on 12-13 May 1988 near THINS. Zone prefix TM-EL- deleted from table.

• Zone 4A1 13Al 10A3 9B5 10B3 1181 Total Time 2001 2057 2158 2301 0016 0128 Duration-(min) 18 18 23 23 20 21 Air Temp (C) - l'7 .0 '18.0 16.0 15.0 14.0 11.5-Water Temp (C) 18.8 18.6 18.5 18.5 18.5 17.5 Dissolved Oxygen (mg/1) 11.9 11.1 10.7 10.7 10.6 8.9 pH 8.0 7.6 8.0 7.5 '8.2 7.6 Conductivity (micrombos/cm) 210 190 210 210 170 .220 Secchi Disc (cm) 76.2 76.2 68.6 76.2 116.8 116.8 Volts 203 210 210 210 215. 215 Amps 5.0 5.5 6.0 5.0 5.0 6.0 Gizzard shad - - -

1 - -

1 Common carp - - -

1 3 -

4 Golden shiner - - - - -

3 3 Spottail shiner 1 2 4 3 -

1 11 Spotfin shiner -

2 - - - -

2 Quillback 5 1 2 1 - -

9

. White sucker - -

3 -

1 -

4 Northern hog sucker -

3 1 - - -

4 Shorthead redhorse -

1 3 - - -

4 Yellow bullhead 1 - -

1 -

1 3 Brown bullhead 1 - - - - -

1 Channel catfish 1 1 - - - -

2 P.ock bass -

2 4 7 1 1- 15 Redbreast sunfish 5 36 41 37 15 3 137 Green sunfish 2 2 -

1 -

1 6 Pumpkinseed 15 1 5 37 52 148 258 Bluegill -

1 -

3 28 54 86 Lepomis hybrid - - -

1 - -

1 Smallaouth bass 4 37 21 26 34 2 124 Largemouth bass 2 - - - -

1 3 White crappie - - - - -

1 1 Black crappie -

1 - -

1 8 10 Walleye 1 3 4 3 3 4 18 No. of Specimens 38 93 88 122 138 228 707 No. of Species 11 14 10 12 9 13 22'

TABLE 3 .~.

Fishes taken by the AC electrofisher on 26-27 May 1988.near TMINS. Zone prefix TM-EL- deleted from table.. '.;

Zone 4A1 13Al 10A3 985 1083 1181 Total Time 2320 2357 0058 0150 2132 2015 Duration (min) 16 T;l 20 19 23' 26 Air Temp (C) 13.0 14.0 14.0 12.0 13.5 13.0 Water Temp (C) 16.8 17.0 16.8 ~16.7 16.8 16.4 Dissolved Oxygen (mg/1) 8.9 8.9 9.2 8.8 9.3 9.4 pli 6.3 6.6 6.8 6.7 7.2 7.4 Conductivity (micrombos/cm) 160 150 175 160 125 175 Secchi Disc (cm) 40.6 35.6 22.9 30.5 63.5 55.9 Volts 215 217 217 216 215 215 Amps 4.0 4.0 4.0 5.0 3.0 4.0 Gizzard shad .

1 - -

1 2 Common carp 1 3 3 1 1 2 11 Spottail shiner - -

1 - - -

1 Spotfin shiner -

2 - -

2 - 4 4 2 7 9 8 -

30 Quillback 8 White sucker 1 3 2 1 1 - -

Shorthead red 50rse - - -

1 2 -

3 l Rock bass - 7 1 3 11 6 .28 l - Redbreast sunfish -

24 11 12 33 10 90 Pumpkinseed 3 3 3 21 19 100 149 Bluegill - - -

1 3 13 17 -.

Lepomis hybrid -

1 -- - - - 1 Smallmouth bass 1 83 37 27 65 28 241 Largemouth bass - - - - -

3 3 White crappie - - -

1 -

2 3 3 Black crappie - -

1 - -

2 3 Yellow perch - - -

1 1 - 2 Walleye -

1 4 5 5 1 ___

16 No. of Specimens 10 129 71 83 151 168 612 ~

tio. of Species 5 9 11 12 12 11 _ 17

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TABLE 4 Crect data re;crted for cach surve/ day in ;hy 1938, at the General Re ervcir.

4 Uednesday I 9 Ibnday 'l 14 Saturday 1 29 Sunday l ,

Day I 1.52 1.55 1.41 1 1.72 I I;1ver Stace i 1 1 l

Tine - Ibrnira (C900-1300), ::1dday (1301-1700), Evening, ( 1701-2100) __

II or:Ans 1 iidday ICvenirc !!brran;; I 1:1dday ICvccim !!!ornirs I ;11dd:y lEvenir.; !!!orning i iidday (Evcnirc l Tctalr.

IGv ercc :t l0v erca st !Ov er ca :t l Pr t ci cy l Pe t ci cy l0v er ca st lCl ear (Cl6ar IClear !C1 car IC1 car l Clear  !

beathw 120.00 127.00 125.00 121.50 I Air Tetp (C) 111.50 111.00 113.00 116.30 118.30 114.30 11G.50 126.00 uctw Tc p (C) 113.50 113.50 113.50 116.30 117.00 116.30 118.50 120.70 120.30 120.00 120.50 121.00 1 1 1 1 1 1 1 I I I I i 1 l 14 17 15 16 13 160 149 143 138 131 140 i Acclers 13 13 1243 1159 175 170 159 175 I rish caut ist 10 121 127 12 17 10  !. 11 10 1. 150 116 124 12 11 16 I Fi:.n re pt 10 l

lices 71:ned 12.50 110.75 13.50 17 50 117.00 I;.00 1133 3 190.00 176.75 169.75 154.25  !$6.16 i I

C tceJCffcet (b) 10.00 11.95 13 10 10.27 10.41 10 3C 11.02 11.62 10.90 11.00 11.09 11.13 l Species la I t r. 1 In l i 12 luln 1: l _: t r 1 :: Itla inla itla 1: In l i: la 1 :: I n ,1 ;: lc l Carp I i i I I i  ! 1 I I I I I i 1 1

!  ! I I I I I I l l l l I I i 1 colien shiner

- Ct:nr.21 cattith  !  ! l l I I 2 1 4 1 0 3I I l~ l I 14 3 17 ncca 2:s  !  ! 12 1 1 1 1! l 1 1 25 61 7 6I I 2 1 1 1 3 1.! 52 16 60 Erriche: 1 I I 13 I l 3 1 1 15 17 1 27 1 7 51 4 1 20 1 21 -3 1 110 30 140 Put;2in:cco  ! l I I I  !  !  ! I i 11 I i 1 1 l

1u:;111 1 1 1 I I  !  ! 4 I I 4 I 11 11 1 I 9 2 11 3:d1Louth te s I  ! 9 l 13 1 1 1 4 I 1 114 1 70 1 33 I 62 1 37 1 43 1 3M 306 Crt;;ic:  ! l  ! I I I I 22 25 3 I I I I I 22 25 47 u;ite cra;:pic I I I  !  ! I i 1 11 1 31 15 I i l l 2 19 21 21cca ceci:;ia  !  !  !  !  ! I I 11 I 1 11 I i 1 1 2 -3 c-no c  !  !  !  ! 1  ! I 7 1 30 21 6 I I I I 43 2 45 j Tct:1:.; Pur Iay 14 1 14 1 152 1 10 9 1259 ancier: 1 12 I 477 1 204 1741 rich CcuJat  ! 4 l f i sh .:o pt  ! O I 1 I 90 l 9 1100 21 .7 5 32.50  ! 300.0 1 190.2 1552.4 1:otra F1 Luc 1 1 2.21 0.37 1.55 1 1.07 11.34 C::c?>2rrcet (t) l 1 1 L a Ze g,t 2a :(1 Lc;4c Ca Total cataa

TABLE 5 .

Cecel cata rerorted for ecch survel day in 1271SGB. at the Uest Dar2.

9 tbnd:y n 14 saturday I 79 cunday l 4 "eccenday 1 Lay 1 1.41 1 1.72 i

! 7.52' i 1.55 1 River stats Tico - Iber. ire (0900-130c), i.te::=y { 13cb1700), Ever.inc (1701-2100)

(Corr.ing 1 !!idday ICreniac librnin: ! liiddcy lOvenirq li"ornirG i !!idday (Evenirc !!:ornir6 l i;.8dday lEvacin6; I Totals 10v erca r,t !Cv erca :.t !Ov erca st l Pr t cl g lPr t cl @f low erca ut lCl ear  ! Clear IClaar iClocr IClear !Cl ear 1 ta u-114.30 113.30 I14.50 117.30 117.70 116.70 127.00 127.50 125.00 1 11r Tenp (C) 110.50 111.00- 112.00 120.00 120.50 121.00 112.50 112.50 115.70 117.00 117.C0 11G.70 120.00 121.00 1 Uater Teup (C) 112.00 I I I l i I I I i 1 1 I I 14 to 10 15 10 12 13 to 12 i IS 12 14 l Acclers 116 132 1. 1. ISS 1. 113 144 1. 127 Fi ch Ca..;h t 146 123 1. 1. I

1. I. l. 16  !. 1. 12 1. l. I.

Fir.h ;;c; 14.00 12.50 17 00 1.- 1. 113.25 I. 12.00 16.50 1.' 116.00 t Ilotes Fir.hed 19 50 1. 11.59 i 16.40 !4.57 1. 12.64 1. 16.50 16.77 catch /Errort (h) 14.04 15.75 l.

pecies la 1: lc 1: 12 1: In 1;I: 1: 12 1: la I ;; i n I ;: la Icla 1: 10 1: ! ;: 1: la IIlc I i 1 1 1 I I I I I I I i i ca -;. I I l I I I I I l i I I I 1 1 u mes l I 1 I I I I I i 1 A.s ba ct: I I i 1 1 1 1 1 1

!  ! 1 1 1 1 I I i 11 I  !  ! 1 C chenrel c trisa noch ' cans 1

! I I 1 1 I I 1 1 I 1 1 3 I I 2

I 5 5 5

I I i i I I 1 1 2 1 1 1 5 I I I Oc rises 2 I I I 30 1 I 9 1 15 1 1 1S X 106 106

.:dlucuta ba:,3 1 22 1 8 1 1 1 1l l l l l l 1 1 l l  !  ! I I  !

"hite cra;+1c 1 15 l 13 1 23 6I I I 2 I I 2 1 20 I I to i 109 6 115 ik11 eyo i 24 Totals Per Eey a

4 1 7 8 5 127 An:) .cs i 11 1 46 71 1236 1 32 1 1 rish cac3 t I C5 2 I !C Fish Cept  ! . .I 6 1 .

22.50 160.75 7.00 1 15.25 1 lbu s Fiched i 16 .0 0 1 3.15 3.15 13.02 CatetJrrrcrt (h) 1 5.31 1 4.57 1 1

a

s pt a Eci ct: en c = Total catch l

1 l

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1. - MV

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TABLE 6 _

Cr oc1 v. surve/ day in lay 19EL, at t no Cast Etc.

. . . . - _'s - - -

14 Saturday 1 29 Surd y I I 4 1~ect.e: cay l 9 lor.dr- 1 1.72 i ky 1.55 1 1.41 1 a t .m I r.52 1 Tina - iorra:t (C500-1300), niduay ( 1301 1700), Cv er.in;; (1701 2100)

. Totals liiorr.irc ! r.idda; ICverin.i. !! orn!rc ! ;ildday Irv.:rJ ec 1::ornin;; I liidt'cy lCvenint.; IUorning l liidday ICreciuc, l

!Gv erca:t iov erca ttlOv erca st!Pr t clq !?r t clCy [Ov erca:L;Cl ear ICicar IClear !C1ccr IClcar IClear l 120.00 (18.00 125.00 128.00 125.00 1 ticcthcr 110.3 u 111 30 111.50 313.30 120.0') 'i5.00 119 00 121.0 0 11r Tec.p (Ls 117.00 119 30 120.7 0 121.70 120.00 121.00 1 l

tinter Trep (C) 113.00 112 00 113.00 116.30 117.00 I I l I I I I i i  ! I i  ! 1 119 114 110 i

! 17 12 17 117 16 An;1ers 11 12 11 12 153 194 144 1194 1105 1150 i

!!i3 163 1105 15 ra:11 C.iu;.::t 13 to 126 121 1106 139 12G l

1. Its 134 1. 112 10 135.50 126.17 13G.50 1 ri ci ;:egt f.

15 00 119 50 11.00 117 00 174.00 114.00 10.5 0 14.c0 110.50 15.46 14.01 13 90 l Lours ricacc. 112.6 15.44 15 00  !? 12 11.27 13 14 16.00 10.00 11.10 C:.tca:rrect (h) -- ~

species

-~~

lc In! [: In : .1; l i: 11; II12 IEla I ; t r. ltla inla Itla 1: 33 lEin IEIC 6 i 1 1 1 g g 1l 1g 1 g i i 12 2 14

! 1 I I 1 I '

1 11 1 1 Carp g g g l l 1 1

! I I . . i l l l t 2 2 r:11.1:a  : 1 Oc c:.er:  !  ! j l 2I I I I I 2 2

~

l l } }

w tuilliact I ,

g g i 1 i 11 I I I i 1 1

.c-taud reci.cen  ! '

l I 1 5I I i 1 5 o g 1 l .

Clia :e1 catrinn l i  ! ic 11 1 45 24 1  ! 14 11 1 * $ 21 1 7l 10 12 1 31 21 19 ! 11310t 226  ;

Ecce :ct: '

l 1

g 7 9g I I 6 l 13 1 36 75 1 30 1 26 0 1 1001G5 213 l g 3 6 Su 11Gcs  !

l . . ' -

• g i 1l l I 31 1 1 s

ca.ruct sucrish 1

; j ,

g g g l l 78 9I i l 1 i6 17 trocr. cur.rica .!  ; l 1 1 11 12 1 1 1 15 16 I 2 ** i 1 -

20 20 Fw; .5 ucccc  ! ' '

g g g g i 1 5l 15 I I I 1 102 1E2 t1ue.311 1 l 5 l 1 1 I s 1 36 1 16 I 35 1 29 I 44 6

a .11_out.. i,t co I g .7 1

g i 1 il l 3 1 1 l l 5 1 t.cr caouta uscs I l I 3 g

I i 1 1 3 I I I I 3. 3 Unito crc.pp2 '  ! I I

. j 1g 1 1 1  !  ! I I i 1 1 2 I " I 0 I 30 I 1"3 I"3 clack c:wi' U 11c;,c 1 2  : l35 l 24 1 15 1 4 1 17  ! 5 I 1 3 Tot:1:. .'cr f ty

~~

. 10  ; g0 1103 31 1 Ird ce: I I

,j 1

17 g I 191 1 449 IC60 12L3 ric cc.u. r.c j yo g 5; I 17 5 ric;i

p oc 10 5.0 100.2 1245.7 j5.00 1, 25.50 1 1 4.u is.-

- .uate , 3.;2 1 1.;2 i Catc;JEficrt (1.) e s 0,8 '

E = *:e pt n = .'ci c.ccc o C = Tot:1 c:tch

.)a TABLE 7 -! ' +

Cr.el data reported rur eact; survqr dcy in April 1988, at the Yorn lleven Goreratir,3 Station.

rcy I 8 Friday 1 10 Sunday 1 23 Saturday -l 28 Thu. nday . I Diver Otaie l 1.57 1 1.74 1 1.20 'I 1.31' I T12.ic - ibrcir,;; (0900-1300), i;1dday ( 1301-1700) . Evening (1701-2100) .

1;;orning 1111dday ICvccin;; !;'.orr.ir,;; I iiidaly IEveninc !!)orninc l 111dd.y ICventru: llaorning i ilidday if: venins i Totala 1:sathcr 10vorcar.t!Lt raic 10Vortaat! Clear IClear lCl oar (Overcastt0vercast!OvercastiPrt c14ylPrt dcylPrt cle/l Air Tc:.ip (C) 10.30 10.G0 10.50 110.30 115.00 113.50 16.7 0 111.50 111.00 110.00 19.00 16.30 I "att.- Tc: p (C) 110.70 111.00 110.50 111.50 112.50 112.50 112.00 112.30 112.00 114.00 114.00 114.00 l 1 I I I I I- 1 I I I I I I At ,lers 10 10 14 19 113 16 13 110 18 13 12 14 I Fi;ta CeuJ:t  !. 3. l') 13 17 13 10 '4 19 149 14 11E i ri r." c st 1. 1. 12 12 13 11 10 - 10 123 12 to I

~1orra Ti died I. 1. 12.50 115.50 126.00 112.00 12.25 114.50 12.7 5 1440 12.50 16.25 i Cc tct1/2rcrt (. ) 1. 1. 13.50 lo.i9 10.27 10.25 10.00 30.20 13.27 112.3 11.50 12.CC I Species l 1 .: Itin 1;la 1 l t. I: la 1: 10 8: In 1 ; l ': Itin inla 1: 12 1: 12 trin 1 Ic!

tz:.1211un:p I I I I I 1 1 I I I I I I I 1 1 4

- trp I  !  ! I 1 11 1 21 1 I 21 1 1 I I I 3 5 L A sucter= 1 1  !  !  ! I I i 1 1 I  !  !  ! 1 1

ocL- ta:.s  ! l l 1 11 1 1 1I I I 2 I I i 1 1 4 2 6

u.-zica c: I I  !  ! I I I I I I i 1I i 1 7 4

21ue;111 I I i 1 1 I i 1 1 1 I i 1I i 1 1 2 n::11totta ba:s  ! I I 1 2I i 11 1 I i 1 1 4 1 20 23 1 2 1 17 1 46 26 72 uali .vc  !  ! I 6 1 I 1 1 1 I I i 1  ! 6 I I i 15 -15 Totsir. Per Tcy Archr: l 4 l 23 1 21 l 9 162 F1di CauJ1t  ! ') i 13 I 13 -

1 71 1106 rid. ort i 2 1 6 1 2 .I 25 135 notre riched 1 2.50 1 53 .5 0 1 19.50  ! 12.75 10E.25 Ca tet./Ctrcrt (1:)  ! 3.60 1 0.24 1 0.67 1 5.57 11.20 rx : sit n = :.e.1ea:.sa c = Totc1 catci2 r