JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR
TEMPERATURE F:
Normals
-Daily Maximum 36.6 38.3 46.1 57.0 67.3 76.9 82.1 80.7 74.3 64.1 53.0 41.2 59.8
-Daily Minimum 19.1 20.9 28.8 37.7 47.3 56.8 63.2 61.9 53.8 43.0 34.9 24.4 41.0
-Monthly 27.9 29.7 37.4 47.4 57.3 66.9 72.7 71.3 64.1 53.6 44.0 32.8 50.4
Extremes
-Record Highest 40 66 72 80 98 94 97 102 104 100 86 78 70 104
-Year 1974 1985 1989 1976 1992 1988 1991 1975 1983 1979 1993 1984 AUG 1975
-Record Lowest 40 -13 -7 1 14 29 41 48 40 33 20 6 -10 -13
-Year 1976 1979 1967 1954 1956 1980 1988 1965 1980 1976 1989 1980 JAN 1976
NORMAL DEGREE DAYS:
Heating (base 65 F) 1150 988 856 528 246 31 0 8 90 359 630 998 5884
Cooling (bsde 65 F) 0 0 0 0 7 88 239 203 63 6 0 0 606
% OF POSSIBLE SUNSHINE40 57 57 58 56 58 61 63 61 62 60 50 52 58
MEAN SKY COVER(tenths)
Sunrise - Sunset 40 6.2 6.3 6.5 6.6 6.7 6.4 6.4 6.2 5.9 5.5 6.4 6.2 6.3
MEAN NUMBER OF DAYS:
Sunrise to Sunset
-Clear 40 9.6 7.9 8.6 7.3 6.4 6.7 6.8 8.3 9.5 10.9 8.2 8.4 98.5
-Partly Cloudy 40 6.8 7.1 7.7 8.1 9.9 10.3 11.9 10.4 8.1 7.9 6.8 7.8 102.9
-Cloudy 40 14.6 13.3 14.8 14.5 14.6 13.1 12.3 12.3 12.4 12.2 14.9 14.8 163.7
Precipitation
.01 inches or more 40 10.9 10.0 11.9 11.1 11.4 10.7 9.1 9.4 8.4 8.7 10.8 12.0 124.3
Snow,Ice Pellets
1.0 inches or more 40 2.8 2.5 2.0 0.3 0.* 0.0 0.0 0.0 0.0 0.1 0.3 2.1 10.0
Thunderstorms 40 0.3 0.2 0.6 1.2 2.6 3.7 4.4 3.6 1.6 1.0 0.8 0.2 20.2
Heavy Fog Visibility
1/4 mile or less 40 2.0 2.0 2.1 2.0 2.1 2.4 1.9 1.5 1.7 3.0 2.0 2.0 24.8
Temperature F
-Maximum
90 and above 30 0.0 0.0 0.0 0.1 0.7 1.9 3.8 2.5 0.8 0.0 0.0 0.0 9.8
32 and below 30 11.0 7.6 1.4 0.* 0.0 0.0 0.0 0.0 0.0 0.0 0.2 6.0 26.2
-Minimum
32 and below 30 27.9 24.4 19.5 5.5 0.2 0.0 0.0 0.0 0.0 3.6 12.7 24.4 118.2
0 and below 30 1.3 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.2
AV. STATION PRES.(mb) 21 1014.3 1014.6 1013.6 1012.2 1013.1 1012.4 1013.0 1014.8 1016.2 1016.4 1015.6 1015.4 1014.3
RELATIVE HUMIDITY (%)
Hour 30 69 68 70 71 78 82 82 84 84 80 75 72 76
Hour 30 71 70 71 70 73 75 77 80 82 80 77 74 75
Hour 30 56 54 53 49 52 56 56 56 56 54 57 58 55
Hour 30 63 61 61 60 64 67 68 71 74 71 69 66 66
PRECIPITATION (ins):
Water Equivalent
-Normal 3.88 3.61 4.05 4.11 3.76 3.33 3.18 3.63 3.48 3.69 4.43 4.38 45.53
-Maximum Monthly 40 11.66 7.20 8.84 12.74 8.38 11.08 8.08 11.12 7.92 11.89 11.01 10.75 12.74
-Year 1979 1984 1983 1983 1984 1982 1976 1955 1961 1962 1983 1969 APR 1983
-Minimum Monthly 40 0.50 0.39 0.56 1.48 0.71 0.39 1.00 0.71 0.77 1.53 0.81 0.58 0.39
-Year 1970 1987 1981 1966 1964 1957 1970 1984 1959 1992 1976 1955 FEB 1987
-Maximum in 24 hrs 40 3.34 3.14 4.53 4.45 5.17 5.03 4.83 6.71 4.89 6.63 4.18 3.85 6.71
-Year 1962 1978 1968 1983 1984 1984 1976 1979 1961 1962 1983 1969 AUG 1979
Snow, Ice Pellets
-Maximum Monthly 40 28.7 30.9 31.6 7.6 7.0 0.0 0.0 0.0 0.0 2.5 8.0 19.8 31.6
-Year 1965 1962 1956 1982 1977 1979 1989 1963 MAR 1956
-Maximum in 24 hrs 40 10.8 27.6 16.9 7.6 7.0 0.0 0.0 0.0 0.0 2.5 8.0 11.9 27.6
-Year 1978 1978 1960 1982 1977 1979 1989 1981 FEB 1978
WIND:
Mean Speed (mph) 40 11.1 11.5 12.0 12.0 10.7 9.9 9.4 9.3 9.4 9.6 10.4 10.8 10.5
through 1963 NW NNW WNW SW S SW SW SSW SW NW SW WNW
Fastest Obs. 1 Min.
-Direction (!!) 40 20 16 18 20 20 20 34 11 18 14 18 14 11
-Speed (mph) 46 46 60 51 42 40 35 90 58 41 52 48 90
-Year 1978 1972 1959 1956 1956 1957 1964 1954 1960 1954 1957 1957 AUG 1954
Peak Gust
-Direction (!!) 10 S SW SW SE S SE SW E S NE SW NW S
-Speed (mph) 10 53 55 60 54 49 54 43 63 81 58 54 51 81
-Date 1992 1989 1986 1984 1990 1989 1984 1991 1985 1991 1992 1988 SEP 1985