JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR
TEMPERATURE F:
Normals
-Daily Maximum 35.7 37.5 45.8 55.9 66.6 76.3 81.8 79.8 72.8 62.7 52.2 40.4 59.0
-Daily Minimum 21.6 23.0 31.3 40.2 49.8 59.1 65.1 64.0 56.8 46.9 38.3 26.7 43.6
-Monthly 28.6 30.3 38.6 48.1 58.2 67.7 73.5 71.9 64.8 54.8 45.3 33.6 51.3
Extremes
-Record Highest 63 70 81 94 95 100 102 102 100 90 78 73 102
-Year 1990 1985 1989 1976 1979 1952 1977 1975 1953 1963 1993 1984 JUL 1977
-Record Lowest -12 -4 6 16 34 45 50 47 38 28 15 -7 -12
-Year 1957 1961 1984 1982 1956 1986 1988 1986 1965 1976 1989 1980 JAN 1957
-Warmest Month 39.2 38.0 47.2 51.1 63.7 73.4 78.0 75.5 70.6 61.6 51.8 40.7 78.0
-Year 1913 1925 1946 1976 1880 1976 1983 1988 1983 1947 1975 1990 JUL 1983
-Coldest Month 29.1 17.5 26.0 38.8 50.6 59.8 67.8 65.0 59.3 47.7 33.4 21.7 17.5
-Year 1888 1934 1872 1874 1882 1903 1902 1903 1871 1883 1873 1989 FEB 1969
Number of Days
-Maximum 90 and above 0.0 0.0 0.0 0.1 0.5 2.6 5.4 3.4 0.8 0.0 0.0 0.0 12.9
-Maximum 32 and below 11.1 7.7 2.1 0.* 0.0 0.0 0.0 0.0 0.0 0.0 0.3 5.7 27.0
-Minimum 32 and below 26.0 23.3 16.6 2.4 0.0 0.0 0.0 0.0 0.0 0.6 7.0 21.6 97.4
-Minimum 0 and below 0.5 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.0
DEGREE DAYS:
Normals
-Heating (base 65 F) 1128 972 818 507 221 32 0 6 72 321 591 973 5641
-Cooling (base 65 F) 0 0 0 0 10 113 264 220 66 5 0 0 678
Extremes
-Most Heating 1334 1224 1020 649 403 113 21 47 174 458 769 1207
-Year 1981 1936 1984 1943 1967 1982 1986 1934 1956 1974 1936 1963
-Least Heating 854 790 561 331 121 4 0 0 37 164 395 761
-Year 1937 1984 1946 1976 1944 1952 1983+ 1984+ 1971 1947 1975 1953
-Most Cooling 0 0 0 43 92 276 410 342 217 60 0 0
-Year 1976 1977 1976 1983 1988 1983 1947
-Least Cooling 0 0 0 0 0 62 177 75 30 0 0 0
-Year 1958 1962 1964 1938
SUNSHINE:
Normals
-Percent of Possible 53 56 57 56 59 63 66 65 63 60 50 52 58
Extremes
-Most (percent) 75 75 79 85 79 86 83 79 86 82 74 73
-Year 1955 1987 1946 1927 1977 1912 1957 1932 1983 1963 1941 1955
-Least (percent) 31 33 38 27 35 40 48 47 32 26 30 21
-Year 1907 1989 1995 1901 1942 1903 1967 1926 1934 1913 1920 1972
SKY COVER SUNRISE TO SUNSET:
Average (tenths) 6.2 6.2 6.4 6.6 6.6 6.3 6.2 5.7 5.6 5.6 6.4 6.3 6.2
Mean number of days
-Clear 9.0 8.2 7.8 7.0 6.3 6.6 6.7 9.1 10.3 10.8 7.9 8.6 98.4
-Partly Cloudy 6.8 6.7 8.1 8.1 9.9 10.5 12.2 10.8 8.1 7.8 7.3 7.5 103.7
-Cloudy 15.1 13.3 15.1 14.9 14.8 12.9 12.1 11.1 11.7 12.4 14.8 14.9 163.2
Most number of days
-Clear 18 16 20 17 18 18 18 19 21 21 16 17
-Year 1899 1913 1915 1899 1903 1884 1899 1925 1892 1963 1976 1909
-Cloudy 23 19 24 22 22 23 23 21 18 20 21 24
-Year 1950 1991 1973 1901 1983 1959 1877 1885 1975 1913 1977 1972
Least number of days
-Clear 2 1 3 0 2 1 1 3 3 4 2 3
-Year 1909 1884 1973 1988 1987 1959 1967 1885 1882 1887 1968 1972
-Cloudy 5 6 3 2 3 3 3 2 2 3 4 6
-Year 1931 1934 1915 1927 1879 1935 1892 1882 1884 1924 1888 1960
THUNDERSTORMS (average days): 0.2 0.2 0.6 1.0 2.2 3.7 4.3 3.6 1.6 0.7 0.4 0.2 18.6
HEAVY FOG: Visibility
1/4 mile or less 1.8 1.6 2.0 1.7 2.8 1.9 2.2 1.8 1.9 2.2 1.8 1.3 23.2
AV. STATION PRES.(mb) 1015.0 1015.4 1014.6 1013.2 1014.1 1013.3 1013.8 1015.7 1017.1 1017.3 1016.3 1016.1 1015.2
RELATIVE HUMIDITY (%):
Hour 01 EST 65 65 67 69 74 77 77 79 80 76 71 68 72
Hour 07 EST 67 67 69 69 72 73 73 77 79 77 74 70 72
Hour 13 EST 57 56 57 55 59 58 57 59 60 58 59 59 58
Hour 19 EST 61 59 62 62 65 66 66 69 71 68 66 63 65
PRECIPITATION (inches):
Water Equivalent
-Normal 3.59 3.62 3.69 3.60 3.25 3.09 2.84 3.24 3.06 3.30 4.22 4.01 41.51
-Maximum Monthly 10.55 7.81 11.00 9.46 13.38 13.20 11.69 17.09 10.94 10.66 11.03 9.74 17.09
-Year 1979 1984 1953 1987 1954 1982 1921 1955 1933 1996 1876 1969 AUG 1955
-Minimum Monthly 0.61 0.72 0.62 1.24 0.53 0.48 0.52 0.83 0.35 0.96 0.64 0.81 0.35
-Year 1989 1987 1981 1966 1964 1953 1952 1972 1957 1967 1976 1989 SEP 1957
-Maximum in 24 hrs 3.25 4.45 4.13 3.32 5.74 5.84 6.04 8.40 5.64 6.66 5.42 5.14 8.40
-Year 1881 1886 1968 1991 1954 1998 1921 1955 1954 1996 1876 1992 AUG 1955
Days .01 inches or more 11.4 10.5 11.9 11.3 11.5 10.6 9.2 9.9 8.7 9.1 10.9 11.6 126.5
SNOW, ICE PELLETS (inches):
-Maximum Monthly 39.8 41.3 38.9 22.4 0.5 0.0 0.0 0.0 0.0 0.5 17.8 27.9 41.3
-Year 1996 1969 1993 1997 1977 1884 1898 1970 FEB 1969
-Maximum in 24 hrs 21.0 23.6 17.7 25.4 0.5 0.0 0.0 0.0 0.0 0.5 12.0 13.0 25.4
-Year 1978 1978 1960 1997 1977 1884 1898 1960 FEB 1997
Days 1.0 inches or more 3.1 2.6 2.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.1 10.7
-Most On Ground 32 29 19 21 0 0 0 0 0 0 16 14
-Year 1996 1978 1960 1997 1898 1975
WIND:
Mean Speed (mph) 13.8 13.8 13.7 13.2 12.2 11.5 11.0 10.8 11.3 12.0 12.9 13.6 12.5
through 1963 NW WNW NW WNW SW SW SW SW SW SW SW WNW
Fastest Obs. 1 Min.
-Direction (degrees) 180 300 060 050 090 280 350 080 210 090 310 050 060
-Speed (mph) 40 37 54 38 33 45 37 47 35 41 38 51 54
-Year 1992 1991 1993 1991 1992 1988 1989 1991 1989 1988 1989 1992 MAR 1993
Peak Gust
-Direction S NW NE NE S W NW NW S NE NW NE NE
-Speed (mph) 59 58 81 55 52 68 54 64 76 55 55 78 81
-Date 1992 1991 1993 1991 1989 1988 1989 1991 1985 1991 1989 1992 MAR 1993