| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.2 | 42.1 | 47.9 | 56.5 | 66.3 | 75.6 | 85.2 | 83.8 | 74.5 | 62.8 | 45.6 | 36.9 | 59.5 |
| Highest Mean Max. Temperature (F) | 42.9 | 49.6 | 55.2 | 67.5 | 73.5 | 83.0 | 89.8 | 90.5 | 81.4 | 73.9 | 55.5 | 44.5 | 61.9 |
| Year Highest Occurred | 1961 | 1963 | 1978 | 1987 | 1966 | 1961 | 1968 | 1967 | 1990 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 27.6 | 31.4 | 42.6 | 45.8 | 57.3 | 70.1 | 78.9 | 74.4 | 65.0 | 52.7 | 35.7 | 29.5 | 55.9 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1977 | 1980 | 1987 | 1976 | 1985 | 1984 | 1985 | 1985 | 1982 |
| Mean Temperature (F) | 26.4 | 31.8 | 35.8 | 41.6 | 49.5 | 57.8 | 64.9 | 63.7 | 55.4 | 46.4 | 34.8 | 27.3 | 44.6 |
| Highest Mean Temperature (F) | 31.6 | 39.3 | 42.1 | 49.7 | 53.4 | 63.3 | 69.4 | 68.1 | 60.9 | 54.4 | 40.1 | 32.1 | 46.4 |
| Year Highest Occurred | 1990 | 1963 | 1986 | 1987 | 1987 | 1961 | 1985 | 1986 | 1990 | 1988 | 1976 | 1975 | 1986 |
| Lowest Mean Temperature (F) | 18.3 | 19.9 | 31.7 | 34.0 | 44.2 | 53.7 | 59.0 | 59.3 | 49.5 | 41.1 | 25.1 | 19.0 | 42.0 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1976 | 1963 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 16.6 | 21.4 | 23.8 | 26.7 | 32.6 | 39.9 | 44.6 | 43.5 | 36.3 | 29.8 | 23.9 | 17.5 | 29.7 |
| Highest Mean Min. Temperature (F) | 23.5 | 29.0 | 29.4 | 32.4 | 36.4 | 44.2 | 49.7 | 48.6 | 41.1 | 36.3 | 27.4 | 24.0 | 32.1 |
| Year Highest Occurred | 1983 | 1963 | 1983 | 1990 | 1987 | 1986 | 1985 | 1977 | 1963 | 1979 | 1983 | 1973 | 1980 |
| Lowest Mean Min. Temperature (F) | 9.0 | 8.4 | 18.4 | 21.0 | 29.7 | 36.2 | 37.9 | 37.7 | 29.4 | 26.4 | 14.4 | 8.5 | 27.3 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1968 | 1964 | 1976 | 1963 | 1969 | 1965 | 1971 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.93 | 0.72 | 0.84 | 0.77 | 1.02 | 0.84 | 0.50 | 0.68 | 0.61 | 0.78 | 1.28 | 1.29 | 10.26 |
| Highest Precipitation (in.) | 2.37 | 2.87 | 2.55 | 2.63 | 2.14 | 2.92 | 2.33 | 3.51 | 1.70 | 4.45 | 3.26 | 6.43 | 19.93 |
| Year Highest Occurred | 1970 | 1986 | 1984 | 1978 | 1981 | 1964 | 1983 | 1984 | 1986 | 1962 | 1968 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.07 | 4.12 |
| Year Lowest Occurred | 1985 | 1965 | 1977 | 1986 | 1975 | 1973 | 1986 | 1986 | 1987 | 1988 | 1974 | 1976 | 1974 |
| Heating Degree Days (F) | 1197. | 930. | 905. | 702. | 481. | 231. | 83. | 104. | 304. | 577. | 906. | 1169. | 7589. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 15. | 79. | 64. | 16. | 0. | 0. | 0. | 174. |