JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR
TEMPERATURE F:
Normals
-Daily Maximum 33.2 36.4 46.8 59.9 71.6 80.0 85.0 82.7 74.8 63.7 51.0 37.5 60.2
-Daily Minimum 15.8 18.6 28.1 37.5 47.6 56.9 62.2 60.4 51.8 40.7 32.8 21.3 39.5
-Monthly 24.6 27.5 37.5 48.7 59.6 68.5 73.7 71.6 63.3 52.2 41.9 29.5 49.9
Extremes
-Record Highest 39 65 73 87 96 97 100 102 101 99 91 81 74 102
-Year 1967 1985 1977 1976 1979 1964 1966 1975 1983 1963 1974 1984 JUL 1966
-Record Lowest 39 -26 -21 -6 9 28 37 44 36 30 17 1 -14 -26
-Year 1961 1961 1967 1970 1985 1986 1962 1965 1979 1978 1989 1980 JAN 1961
NORMAL DEGREE DAYS:
Heating (base 65 F) 1252 1050 853 489 194 20 0 6 96 397 693 1101 6151
Cooling (bsde 65 F) 0 0 0 0 27 125 270 210 45 0 0 0 677
% OF POSSIBLE SUNSHINE39 55 57 56 55 57 60 62 62 59 57 46 48 56
MEAN SKY COVER(tenths)
Sunrise - Sunset 39 6.4 6.5 6.7 6.7 6.8 6.6 6.4 6.3 6.1 5.9 6.9 6.7 6.5
MEAN NUMBER OF DAYS:
Sunrise to Sunset
-Clear 39 7.7 6.8 6.7 6.4 5.6 5.7 5.8 6.7 8.5 9.3 5.7 6.9 81.6
-Partly Cloudy 39 7.9 7.5 8.5 8.4 9.7 10.4 12.1 10.9 8.8 8.7 8.3 7.6 108.8
-Cloudy 39 15.4 13.9 15.8 15.2 15.7 13.9 13.2 13.4 12.7 13.0 16.1 16.5 174.8
Precipitation
.01 inches or more 39 10.5 10.3 11.4 11.2 11.7 11.3 9.7 9.8 9.5 8.5 11.2 11.9 127.0
Snow,Ice Pellets
1.0 inches or more 39 2.9 2.6 2.5 0.5 0.* 0.0 0.0 0.0 0.0 0.* 0.5 3.2 12.3
Thunderstorms 39 0.1 0.2 0.7 1.2 2.2 3.9 4.5 3.7 2.1 1.0 0.4 0.1 20.2
Heavy Fog Visibility
1/4 mile or less 39 2.2 2.4 2.2 1.3 1.7 2.3 1.9 2.3 3.2 3.6 2.2 2.9 28.4
Temperature F
-Maximum
90 and above 34 0.0 0.0 0.0 0.3 1.2 3.4 7.6 4.8 1.3 0.* 0.0 0.0 18.8
32 and below 34 13.6 9.1 1.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.5 9.4 34.5
-Minimum
32 and below 34 28.7 25.6 21.5 8.4 0.7 0.0 0.0 0.0 0.4 6.4 16.5 26.9 135.1
0 and below 34 2.8 1.6 0.* 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.1 5.5
AV. STATION PRES.(mb) 21 1010.0 1010.4 1009.3 1007.7 1008.4 1007.9 1008.5 1010.3 1011.7 1012.0 1011.1 1011.1 1009.9
RELATIVE HUMIDITY (%)
Hour 34 69 68 68 69 76 81 82 84 86 81 75 73 76
Hour 34 71 72 72 70 73 77 78 83 86 83 79 76 77
Hour 34 56 54 50 45 47 51 51 53 55 51 56 59 52
Hour 34 62 60 56 53 56 60 62 66 71 67 67 67 62
PRECIPITATION (ins):
Water Equivalent
-Normal 3.41 3.23 3.63 3.85 4.12 3.75 3.19 3.65 3.79 3.57 4.04 3.91 44.14
-Maximum Monthly 39 9.61 7.27 6.86 9.90 12.00 13.60 8.43 21.87 9.02 11.61 8.53 8.36 21.87
-Year 1978 1981 1983 1983 1989 1982 1988 1955 1975 1955 1972 1969 AUG 1955
-Minimum Monthly 39 0.38 0.45 0.27 1.38 0.73 0.67 1.07 0.54 0.84 0.35 0.51 0.78 0.27
-Year 1981 1987 1981 1966 1959 1988 1983 1981 1986 1963 1976 1955 MAR 1981
-Maximum in 24 hrs 39 2.56 2.16 2.62 3.01 4.90 6.14 3.48 12.12 5.28 4.45 2.90 3.12 12.12
-Year 1979 1965 1987 1979 1989 1982 1960 1955 1960 1959 1988 1973 AUG 1955
Snow, Ice Pellets
-Maximum Monthly 39 37.0 32.2 43.3 14.3 1.3 T 0.0 0.0 0.0 1.7 8.7 35.4 43.3
-Year 1978 1969 1956 1982 1977 1993 1979 1986 1969 MAR 1956
-Maximum in 24 hrs 39 14.7 21.0 14.8 14.1 1.3 T 0.0 0.0 0.0 1.7 8.6 13.9 21.0
-Year 1978 1983 1993 1982 1977 1993 1979 1980 1969 FEB 1983
WIND:
Mean Speed (mph) 39 9.0 9.5 10.0 10.0 8.8 8.1 7.4 7.2 7.3 7.8 8.5 8.7 8.5
through 1963 NW NW NW S S S S S S N S N
Fastest Obs. 1 Min.
-Direction (!!) 8 30 29 18 29 05 30 35 18 17 26 19 31 17
-Speed (mph) 30 37 37 33 28 26 35 40 43 33 40 39 43
-Year 1993 1989 1987 1988 1987 1986 1991 1988 1985 1986 1989 1992 SEP 1985
Peak Gust
-Direction (!!) 10 NW NW S NW NW W SW NW S S S NW SW
-Speed (mph) 10 49 49 62 48 48 53 89 55 66 72 60 55 89
-Date 1993 1990 1987 1988 1990 1993 1988 1991 1985 1990 1989 1992 JUL 1988