| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.3 | 37.4 | 45.0 | 54.7 | 64.6 | 74.1 | 83.9 | 83.4 | 72.5 | 60.0 | 42.8 | 31.3 | 56.7 |
| Highest Mean Max. Temperature (F) | 36.1 | 49.4 | 52.0 | 64.4 | 72.0 | 84.3 | 89.4 | 91.3 | 81.9 | 71.9 | 48.4 | 38.1 | 59.4 |
| Year Highest Occurred | 1967 | 1963 | 1978 | 1987 | 1966 | 1961 | 1985 | 1967 | 1990 | 1988 | 1976 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 21.2 | 29.8 | 39.5 | 45.6 | 57.4 | 68.4 | 76.8 | 75.2 | 61.2 | 53.2 | 32.2 | 23.3 | 53.1 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1977 | 1981 | 1986 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 18.9 | 24.1 | 31.6 | 40.5 | 48.7 | 56.9 | 63.1 | 62.1 | 52.5 | 42.4 | 31.7 | 20.7 | 41.1 |
| Highest Mean Temperature (F) | 26.8 | 36.5 | 37.7 | 46.5 | 52.6 | 63.6 | 69.0 | 67.0 | 58.5 | 49.4 | 36.0 | 27.6 | 42.6 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1990 | 1987 | 1977 | 1975 | 1961 | 1963 | 1988 | 1965 | 1969 | 1967 |
| Lowest Mean Temperature (F) | 5.3 | 13.6 | 24.2 | 34.6 | 45.4 | 53.0 | 57.6 | 57.1 | 46.4 | 37.8 | 21.7 | 9.5 | 36.4 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1981 | 1986 | 1985 | 1985 | 1984 | 1985 | 1978 | 1985 |
| Mean Min. Temperature (F) | 7.5 | 10.8 | 18.3 | 26.4 | 32.7 | 39.6 | 42.4 | 40.7 | 32.5 | 24.8 | 20.5 | 10.0 | 25.5 |
| Highest Mean Min. Temperature (F) | 18.5 | 26.2 | 27.5 | 30.9 | 37.5 | 44.7 | 50.3 | 46.1 | 38.4 | 29.9 | 25.4 | 19.1 | 27.7 |
| Year Highest Occurred | 1981 | 1961 | 1983 | 1978 | 1980 | 1977 | 1975 | 1983 | 1963 | 1975 | 1973 | 1962 | 1980 |
| Lowest Mean Min. Temperature (F) | -10.7 | -3.9 | 8.4 | 21.5 | 28.0 | 36.3 | 38.2 | 34.6 | 27.8 | 15.6 | 11.2 | -4.4 | 19.7 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1982 | 1982 | 1985 | 1981 | 1987 | 1964 | 1987 | 1985 | 1978 | 1985 |
| Mean Precipitation (in.) | 3.34 | 2.47 | 2.41 | 1.87 | 1.88 | 1.84 | 0.70 | 0.82 | 1.44 | 1.76 | 2.85 | 3.41 | 24.79 |
| Highest Precipitation (in.) | 9.42 | 6.52 | 5.07 | 5.34 | 3.78 | 5.02 | 1.85 | 2.74 | 3.78 | 5.47 | 9.49 | 9.27 | 36.39 |
| Year Highest Occurred | 1970 | 1979 | 1983 | 1978 | 1984 | 1964 | 1974 | 1975 | 1986 | 1962 | 1973 | 1964 | 1970 |
| Lowest Precipitation (in.) | 0.37 | 0.36 | 0.38 | 0.22 | 0.16 | 0.21 | 0.06 | 0.00 | 0.00 | 0.00 | 0.30 | 0.17 | 16.64 |
| Year Lowest Occurred | 1985 | 1967 | 1965 | 1977 | 1974 | 1961 | 1971 | 1970 | 1990 | 1987 | 1976 | 1989 | 1987 |
| Heating Degree Days (F) | 1429. | 1145. | 1035. | 735. | 505. | 255. | 111. | 139. | 383. | 701. | 999. | 1373. | 8810. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 12. | 52. | 49. | 8. | 0. | 0. | 0. | 121. |