| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.0 | 45.6 | 55.4 | 65.0 | 75.6 | 86.6 | 92.4 | 89.5 | 80.6 | 68.6 | 52.4 | 39.8 | 65.6 |
| Highest Mean Max. Temperature (F) | 49.7 | 54.2 | 64.4 | 72.2 | 82.9 | 92.3 | 95.8 | 93.1 | 87.1 | 75.5 | 57.2 | 51.9 | 68.7 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1963 | 1961 | 1988 | 1985 | 1979 | 1963 | 1966 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 22.5 | 33.2 | 48.8 | 57.5 | 68.7 | 80.8 | 89.0 | 83.0 | 72.6 | 59.0 | 44.8 | 28.7 | 62.7 |
| Year Lowest Occurred | 1973 | 1974 | 1964 | 1975 | 1983 | 1965 | 1986 | 1968 | 1961 | 1984 | 1979 | 1978 | 1973 |
| Mean Temperature (F) | 22.7 | 31.7 | 40.7 | 49.0 | 59.1 | 68.4 | 74.7 | 72.3 | 62.7 | 51.1 | 37.8 | 27.1 | 49.8 |
| Highest Mean Temperature (F) | 33.2 | 37.7 | 46.5 | 54.5 | 63.3 | 73.6 | 77.2 | 75.6 | 67.1 | 57.3 | 42.9 | 36.3 | 52.6 |
| Year Highest Occurred | 1981 | 1986 | 1986 | 1990 | 1963 | 1988 | 1964 | 1983 | 1990 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 8.7 | 17.7 | 34.8 | 43.0 | 53.4 | 64.3 | 71.8 | 67.9 | 57.8 | 46.0 | 30.2 | 16.9 | 47.4 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1970 | 1983 | 1975 | 1987 | 1968 | 1961 | 1969 | 1979 | 1978 | 1973 |
| Mean Min. Temperature (F) | 9.5 | 17.7 | 25.9 | 33.1 | 42.5 | 50.1 | 57.1 | 55.0 | 44.7 | 33.5 | 23.1 | 14.4 | 33.9 |
| Highest Mean Min. Temperature (F) | 22.6 | 24.6 | 33.1 | 39.3 | 46.2 | 56.0 | 60.1 | 59.5 | 49.7 | 40.8 | 29.1 | 20.7 | 36.4 |
| Year Highest Occurred | 1980 | 1968 | 1978 | 1990 | 1961 | 1988 | 1981 | 1983 | 1990 | 1972 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -5.6 | 2.2 | 19.6 | 28.2 | 38.0 | 46.4 | 53.6 | 51.1 | 38.8 | 29.9 | 15.6 | 5.0 | 31.5 |
| Year Lowest Occurred | 1963 | 1974 | 1971 | 1970 | 1983 | 1979 | 1962 | 1962 | 1971 | 1966 | 1979 | 1978 | 1979 |
| Mean Precipitation (in.) | 0.59 | 0.48 | 0.85 | 0.68 | 0.88 | 0.51 | 0.76 | 0.87 | 0.77 | 0.94 | 0.72 | 0.71 | 8.76 |
| Highest Precipitation (in.) | 1.99 | 1.43 | 2.39 | 1.85 | 2.13 | 2.65 | 2.12 | 2.89 | 2.54 | 2.64 | 1.64 | 2.41 | 13.25 |
| Year Highest Occurred | 1969 | 1962 | 1975 | 1985 | 1983 | 1984 | 1987 | 1963 | 1961 | 1972 | 1987 | 1966 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.01 | 0.06 | 0.00 | 0.05 | 0.00 | 5.15 |
| Year Lowest Occurred | 1961 | 1984 | 1972 | 1967 | 1974 | 1980 | 1971 | 1985 | 1987 | 1964 | 1963 | 1976 | 1989 |
| Heating Degree Days (F) | 1311. | 932. | 753. | 480. | 195. | 37. | 0. | 0. | 117. | 431. | 816. | 1175. | 6247. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 139. | 301. | 229. | 48. | 0. | 0. | 0. | 729. |