| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.0 | 46.2 | 49.2 | 56.7 | 65.9 | 76.7 | 82.8 | 80.4 | 73.2 | 64.7 | 51.9 | 44.6 | 61.4 |
| Highest Mean Max. Temperature (F) | 52.8 | 51.2 | 57.6 | 63.2 | 72.5 | 84.4 | 87.2 | 84.3 | 78.7 | 72.2 | 57.2 | 53.2 | 64.3 |
| Year Highest Occurred | 1986 | 1963 | 1967 | 1981 | 1974 | 1990 | 1963 | 1962 | 1990 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 30.6 | 39.2 | 41.8 | 47.6 | 58.6 | 68.6 | 78.9 | 76.5 | 65.6 | 52.9 | 43.1 | 33.1 | 58.9 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1971 | 1978 | 1965 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 25.0 | 27.1 | 32.8 | 41.1 | 49.6 | 59.1 | 64.9 | 62.9 | 55.4 | 45.8 | 34.6 | 27.1 | 43.8 |
| Highest Mean Temperature (F) | 34.0 | 33.0 | 41.2 | 47.5 | 53.6 | 63.9 | 69.1 | 67.0 | 59.6 | 52.2 | 40.1 | 35.3 | 46.9 |
| Year Highest Occurred | 1986 | 1970 | 1967 | 1981 | 1963 | 1981 | 1966 | 1983 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 11.2 | 19.4 | 24.3 | 35.1 | 45.0 | 55.4 | 62.0 | 58.9 | 50.5 | 39.3 | 26.1 | 15.7 | 41.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1979 | 1969 | 1973 | 1978 | 1965 | 1969 | 1972 | 1978 | 1979 |
| Mean Min. Temperature (F) | 6.0 | 7.9 | 16.4 | 25.4 | 33.3 | 41.5 | 46.9 | 45.3 | 37.5 | 27.0 | 17.2 | 9.6 | 26.2 |
| Highest Mean Min. Temperature (F) | 17.0 | 15.0 | 24.7 | 31.7 | 37.2 | 46.2 | 51.6 | 50.9 | 42.4 | 32.2 | 23.1 | 17.7 | 30.3 |
| Year Highest Occurred | 1969 | 1970 | 1967 | 1981 | 1981 | 1981 | 1966 | 1983 | 1969 | 1963 | 1981 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | -8.3 | -0.4 | 6.8 | 19.3 | 27.5 | 34.1 | 41.0 | 39.5 | 30.5 | 20.9 | 9.0 | -1.8 | 21.4 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1973 | 1976 | 1976 | 1976 | 1975 | 1974 | 1978 | 1975 | 1978 | 1975 |
| Mean Precipitation (in.) | 0.39 | 0.64 | 1.37 | 1.55 | 1.89 | 1.82 | 2.78 | 2.58 | 1.31 | 1.20 | 0.86 | 0.71 | 17.10 |
| Highest Precipitation (in.) | 1.40 | 1.64 | 4.20 | 4.34 | 5.36 | 4.43 | 5.71 | 6.43 | 3.67 | 6.09 | 2.62 | 2.98 | 24.30 |
| Year Highest Occurred | 1962 | 1987 | 1990 | 1973 | 1973 | 1982 | 1971 | 1963 | 1961 | 1969 | 1972 | 1973 | 1969 |
| Lowest Precipitation (in.) | 0.06 | 0.00 | 0.21 | 0.00 | 0.15 | 0.14 | 0.84 | 0.38 | 0.31 | 0.04 | 0.14 | 0.00 | 10.00 |
| Year Lowest Occurred | 1961 | 1973 | 1989 | 1963 | 1974 | 1971 | 1988 | 1973 | 1983 | 1983 | 1984 | 1980 | 1962 |
| Heating Degree Days (F) | 1240. | 1061. | 998. | 717. | 477. | 191. | 59. | 101. | 294. | 595. | 912. | 1175. | 7820. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 14. | 55. | 36. | 6. | 0. | 0. | 0. | 111. |