ML083380258
| ML083380258 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 09/12/2008 |
| From: | US Dept of Commerce, National Oceanographic and Atmospheric Administration |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML083380258 (1) | |
Text
NORMALS, MEANS, AND EXTREMES MINNEAPOLIS, MN (MSP)
LATITUDE: LONGITUDE: ELEVATION (FT): TIME ZONE: WBAN: 14922 44 52 59 N 93 13 44 W GRND: 871 BARO: 874 CENTRAL (UTC + 6)
ELEMENT POR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR NORMAL DAILY MAXIMUM 30 21.9 28.4 40.6 57.0 70.1 79.0 83.3 80.4 71.1 58.4 40.1 26.4 54.7 MEAN DAILY MAXIMUM 61 21.7 27.5 39.0 56.3 68.8 78.5 83.4 80.8 71.2 59.3 40.8 26.8 54.5 HIGHEST DAILY MAXIMUM 67 58 61 83 95 96 102 105 102 98 90 77 68 105 YEAR OF OCCURRENCE 1944 2000 1986 1980 1978 1985 1988 1947 1976 1997 1999 1998 JUL 1988 F MEAN OF EXTREME MAXS. 61 41.0 45.5 62.0 79.3 87.5 93.3 94.9 93.5 88.9 80.2 61.6 46.0 72.8
NORMAL DAILY MINIMUM 30 4.3 11.8 23.5 36.2 48.5 57.8 63.0 60.8 50.8 38.9 24.8 10.9 35.9 TEMPERATURE MEAN DAILY MINIMUM 61 4.4 10.1 22.1 36.1 47.9 57.9 63.1 60.8 50.8 39.6 25.2 11.6 35.8 LOWEST DAILY MINIMUM 67 -34 -32 -32 2 18 34 43 39 26 13 -17 -29 -34 YEAR OF OCCURRENCE 1970 1996 1962 1962 1967 1945 1972 1967 1974 1997 1964 1983 JAN 1970 MEAN OF EXTREME MINS. 61 -19.1 -12.8 -.1 20.7 32.7 43.8 51.7 48.9 35.1 24.9 5.6 -11.2 18.4 NORMAL DRY BULB 30 13.1 20.1 32.1 46.6 59.3 68.4 73.2 70.6 61.0 48.7 32.5 18.7 45.4 MEAN DRY BULB 61 13.0 18.8 30.6 46.2 58.2 68.2 73.3 70.9 61.0 49.5 33.0 19.3 45.2 MEAN WET BULB 21 14.6 19.5 28.9 40.8 51.7 61.5 65.7 64.0 55.8 43.7 29.8 19.0 41.2 MEAN DEW POINT 21 9.2 14.0 22.0 31.7 44.3 55.7 61.0 59.7 51.0 37.4 24.4 14.2 35.4 NORMAL NO. DAYS WITH:
MAXIMUM 90 30 0.0 0.0 0.0 0.1 0.7 2.7 5.6 3.0 0.9
- 0.0 0.0 13.0 MAXIMUM 32 30 23.6 16.7 7.1 0.4 0.0 0.0 0.0 0.0 0.0 0.1 8.0 20.4 76.3 MINIMUM 32 30 30.8 26.8 24.1 10.1 0.7 0.0 0.0 0.0 0.5 7.3 23.7 30.2 154.2 MINIMUM 0 30 12.9 6.9 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 7.5 29.9 NORMAL HEATING DEG. DAYS 30 1616 1273 1034 560 222 44 7 20 178 516 978 1428 7876 H/C NORMAL COOLING DEG. DAYS 30 0 0 0 4 41 146 259 190 56 3 0 0 699 NORMAL (PERCENT) 30 71 71 67 59 60 64 66 69 70 67 72 74 68 HOUR 00 LST 30 74 75 72 65 66 72 75 78 77 73 76 77 73 RH HOUR 06 LST 30 75 77 77 74 75 78 81 84 84 80 80 79 79 HOUR 12 LST 30 68 65 60 50 50 54 55 58 58 58 66 70 59 HOUR 18 LST 30 69 67 60 48 48 52 54 58 60 59 68 72 60 S PERCENT POSSIBLE SUNSHINE 58 53 59 57 58 61 66 72 69 62 55 39 42 58 MEAN NO. DAYS WITH:
W/O HEAVY FOG(VISBY1/4 MI) 67 1.2 1.4 1.3 0.5 0.5 0.5 0.3 0.6 0.8 0.9 1.1 1.3 10.4 THUNDERSTORMS 67 0.0 0.2 1.0 2.6 5.2 7.8 7.6 6.4 4.3 1.8 0.6 0.1 37.6 MEAN:
CLOUDINESS SUNRISE-SUNSET (OKTAS) 58 5.1 5.0 5.4 5.3 5.1 4.9 4.2 4.2 4.4 4.6 5.7 5.5 5.0 MIDNIGHT-MIDNIGHT (OKTAS) 32 4.9 4.8 5.1 5.0 4.8 4.5 4.0 4.0 4.2 4.6 5.3 5.2 4.7 MEAN NO. DAYS WITH:
CLEAR 58 8.3 7.7 7.1 6.9 7.0 7.2 9.8 10.0 9.8 9.8 5.5 6.4 95.5 PARTLY CLOUDY 58 7.3 6.9 7.4 7.7 9.1 10.4 11.8 11.2 8.5 7.5 6.4 6.4 100.6 CLOUDY 58 15.4 13.7 16.5 15.3 14.8 12.4 9.5 9.8 11.8 13.7 18.1 18.2 169.2 MEAN STATION PRESSURE(IN) 32 29.17 29.18 29.10 29.06 29.04 29.03 29.08 29.11 29.12 29.12 29.11 29.17 29.11 PR MEAN SEA-LEVEL PRES. (IN) 21 30.12 30.12 30.05 29.96 29.93 29.92 29.96 30.00 30.01 30.02 30.05 30.10 30.02 MEAN SPEED (MPH) 56 10.5 10.3 11.3 12.3 11.3 10.4 9.5 9.3 10.0 10.6 10.9 10.2 10.6 PREVAIL.DIR(TENS OF DEGS) 37 31 31 31 36 14 14 15 14 18 31 31 31 31 MAXIMUM 2-MINUTE:
WINDS SPEED (MPH) 9 35 37 37 45 49 48 40 35 39 38 39 39 49 DIR. (TENS OF DEGS) 29 31 29 28 22 33 22 26 23 31 28 31 22 YEAR OF OCCURRENCE 2004 2002 2004 2000 1998 1998 1999 2000 2004 2001 2005 2004 MAY 1998 MAXIMUM 5-SECOND:
SPEED (MPH) 9 47 47 49 59 64 60 52 46 48 47 49 52 64 DIR. (TENS OF DEGS) 32 33 32 28 26 29 21 26 23 29 28 31 26 YEAR OF OCCURRENCE 2004 2002 2000 2000 1998 2005 1999 2000 2004 2001 2005 2004 MAY 1998 NORMAL (IN) 30 1.04 0.79 1.86 2.31 3.24 4.34 4.04 4.05 2.69 2.11 1.94 1.00 29.41 PRECIPITATION MAXIMUM MONTHLY (IN) 67 3.63 2.14 4.75 7.00 8.03 9.82 17.90 9.31 7.53 5.68 5.29 4.27 17.90 YEAR OF OCCURRENCE 1967 1981 1965 2001 1962 1990 1987 1977 1942 1971 1991 1982 JUL 1987 MINIMUM MONTHLY (IN) 67 0.10 0.06 0.32 0.16 0.61 0.22 0.58 0.43 0.41 0.01 0.02 T T YEAR OF OCCURRENCE 1990 1964 1994 1987 1967 1988 1975 1946 1940 1952 1939 1943 DEC 1943 MAXIMUM IN 24 HOURS (IN) 67 1.21 1.10 1.66 2.23 3.03 3.28 10.00 7.36 3.55 4.83 2.91 2.47 10.00 YEAR OF OCCURRENCE 1967 1966 1965 1975 1965 2003 1987 1977 1942 2005 1940 1982 JUL 1987 NORMAL NO. DAYS WITH:
PRECIPITATION 0.01 30 9.9 7.5 10.2 11.3 10.9 11.1 10.4 10.4 9.8 8.4 9.1 9.7 118.7 PRECIPITATION 1.00 30 *
- 0.1 0.3 0.5 1.2 1.0 1.0 0.6 0.4 0.3 0.1 5.5 NORMAL (IN) 30 13.5 8.2 10.4 3.1 0.1 0.0 0.0 0.0 0.* 0.6 10.0 10.0 55.9 MAXIMUM MONTHLY (IN) 62 46.4 26.5 40.0 21.8 3.0 T T T 1.7 8.2 46.9 33.2 46.9 SNOWFALL YEAR OF OCCURRENCE 1982 1962 1951 1983 1946 1995 1994 1992 1942 1991 1991 1969 NOV 1991 MAXIMUM IN 24 HOURS (IN) 62 18.5 9.3 14.7 13.6 3.0 T T T 1.7 8.2 21.0 16.5 21.0 YEAR OF OCCURRENCE 1982 1939 1985 1983 1946 1995 1994 1992 1942 1991 1991 1982 NOV 1991 MAXIMUM SNOW DEPTH (IN) 55 38 30 27 10 2 0 0 0 0 1 23 21 38 YEAR OF OCCURRENCE 1982 1967 1965 1985 1984 1969 1991 1991 JAN 1982 NORMAL NO. DAYS WITH:
SNOWFALL 1.0 30 4.1 3.0 3.1 0.9 0.0 0.0 0.0 0.0 0.0 0.1 2.8 2.9 16.9 published by: NCDC Asheville, NC 3 30 yr Normals (1971-2000)