| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.6 | 37.8 | 46.5 | 60.0 | 71.1 | 81.9 | 88.9 | 86.6 | 76.1 | 64.1 | 47.3 | 35.2 | 60.7 |
| Highest Mean Max. Temperature (F) | 46.2 | 47.0 | 55.1 | 69.0 | 78.6 | 92.2 | 94.1 | 93.0 | 84.2 | 74.3 | 55.0 | 46.9 | 63.8 |
| Year Highest Occurred | 1990 | 1983 | 1986 | 1981 | 1985 | 1988 | 1974 | 1983 | 1979 | 1963 | 1981 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 15.9 | 22.3 | 33.4 | 52.0 | 63.7 | 75.4 | 83.2 | 80.4 | 62.6 | 53.3 | 28.8 | 15.7 | 57.1 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1967 | 1982 | 1962 | 1977 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Temperature (F) | 19.6 | 24.9 | 33.7 | 46.5 | 57.6 | 68.0 | 74.7 | 72.1 | 61.2 | 49.0 | 34.1 | 22.3 | 47.0 |
| Highest Mean Temperature (F) | 31.7 | 34.4 | 41.6 | 54.1 | 63.0 | 76.4 | 79.1 | 78.3 | 66.7 | 58.4 | 39.8 | 32.2 | 49.4 |
| Year Highest Occurred | 1990 | 1983 | 1986 | 1981 | 1977 | 1988 | 1974 | 1983 | 1969 | 1963 | 1981 | 1979 | 1987 |
| Lowest Mean Temperature (F) | 4.1 | 10.3 | 21.1 | 40.5 | 51.7 | 62.4 | 70.3 | 67.4 | 51.5 | 42.3 | 18.0 | 3.9 | 43.3 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1967 | 1969 | 1972 | 1977 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 6.6 | 11.9 | 20.9 | 32.9 | 44.1 | 54.0 | 60.4 | 57.6 | 46.3 | 33.9 | 20.8 | 9.3 | 33.2 |
| Highest Mean Min. Temperature (F) | 18.7 | 21.7 | 29.2 | 39.2 | 50.4 | 60.5 | 65.4 | 63.6 | 53.2 | 42.5 | 26.1 | 18.4 | 35.4 |
| Year Highest Occurred | 1983 | 1983 | 1973 | 1981 | 1977 | 1988 | 1966 | 1983 | 1963 | 1963 | 1987 | 1965 | 1973 |
| Lowest Mean Min. Temperature (F) | -7.8 | -1.8 | 8.8 | 26.9 | 39.1 | 48.1 | 55.3 | 53.1 | 40.3 | 28.1 | 7.1 | -7.9 | 29.5 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1961 | 1968 | 1985 | 1971 | 1986 | 1965 | 1987 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.29 | 0.43 | 1.04 | 1.67 | 3.16 | 2.89 | 3.06 | 2.28 | 1.53 | 0.91 | 0.60 | 0.37 | 18.23 |
| Highest Precipitation (in.) | 0.82 | 1.43 | 4.23 | 4.01 | 8.96 | 7.09 | 8.96 | 6.71 | 5.91 | 2.06 | 2.62 | 1.81 | 32.68 |
| Year Highest Occurred | 1979 | 1962 | 1977 | 1968 | 1962 | 1983 | 1983 | 1966 | 1973 | 1986 | 1985 | 1987 | 1977 |
| Lowest Precipitation (in.) | 0.00 | 0.06 | 0.19 | 0.25 | 0.45 | 0.44 | 0.28 | 0.37 | 0.32 | 0.02 | 0.01 | 0.00 | 10.57 |
| Year Lowest Occurred | 1961 | 1985 | 1978 | 1967 | 1966 | 1976 | 1980 | 1969 | 1975 | 1964 | 1962 | 1986 | 1974 |
| Heating Degree Days (F) | 1407. | 1123. | 970. | 555. | 248. | 49. | 0. | 16. | 167. | 496. | 927. | 1324. | 7282. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 139. | 305. | 236. | 53. | 0. | 0. | 0. | 752. |