| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 31.9 | 36.9 | 43.3 | 52.1 | 62.9 | 71.5 | 81.1 | 80.9 | 70.0 | 56.7 | 39.9 | 31.9 | 54.9 |
| Highest Mean Max. Temperature (F) | 39.4 | 41.0 | 51.4 | 63.1 | 70.3 | 81.1 | 88.8 | 93.2 | 81.2 | 68.6 | 46.3 | 37.7 | 58.4 |
| Year Highest Occurred | 1981 | 1983 | 1981 | 1987 | 1966 | 1961 | 1961 | 1961 | 1990 | 1987 | 1981 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 26.4 | 31.9 | 37.8 | 43.8 | 56.9 | 65.0 | 73.8 | 73.2 | 60.2 | 49.6 | 31.0 | 24.4 | 51.7 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1964 | 1976 | 1986 | 1964 | 1970 | 1969 | 1985 | 1990 | 1964 |
| Mean Temperature (F) | 23.8 | 27.9 | 32.9 | 40.2 | 48.6 | 56.4 | 62.2 | 61.3 | 52.2 | 42.3 | 32.1 | 24.7 | 42.1 |
| Highest Mean Temperature (F) | 32.7 | 32.7 | 38.7 | 47.3 | 53.4 | 62.0 | 67.5 | 69.6 | 58.0 | 48.3 | 37.2 | 30.9 | 44.4 |
| Year Highest Occurred | 1981 | 1961 | 1981 | 1987 | 1987 | 1961 | 1975 | 1961 | 1963 | 1988 | 1981 | 1979 | 1981 |
| Lowest Mean Temperature (F) | 13.0 | 20.5 | 27.7 | 34.6 | 44.2 | 51.6 | 56.8 | 56.9 | 45.5 | 38.5 | 22.6 | 16.8 | 39.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1964 | 1976 | 1986 | 1964 | 1970 | 1969 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 15.7 | 18.8 | 22.5 | 28.3 | 34.3 | 41.1 | 43.3 | 41.7 | 34.4 | 27.9 | 24.1 | 17.4 | 29.1 |
| Highest Mean Min. Temperature (F) | 26.0 | 28.1 | 27.7 | 32.6 | 38.6 | 43.6 | 49.3 | 46.0 | 39.0 | 31.0 | 28.9 | 24.5 | 31.4 |
| Year Highest Occurred | 1981 | 1961 | 1983 | 1981 | 1987 | 1986 | 1975 | 1961 | 1963 | 1963 | 1983 | 1973 | 1981 |
| Lowest Mean Min. Temperature (F) | -0.5 | 9.1 | 13.7 | 24.7 | 31.3 | 38.0 | 39.8 | 36.8 | 30.5 | 22.3 | 14.2 | 5.3 | 26.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1982 | 1982 | 1962 | 1986 | 1987 | 1983 | 1987 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 5.39 | 4.24 | 4.11 | 3.42 | 3.49 | 2.83 | 1.25 | 1.55 | 2.23 | 3.02 | 4.71 | 5.26 | 41.50 |
| Highest Precipitation (in.) | 10.59 | 8.59 | 7.13 | 5.53 | 6.01 | 7.29 | 3.65 | 4.74 | 6.04 | 6.96 | 8.58 | 11.10 | 55.97 |
| Year Highest Occurred | 1970 | 1972 | 1989 | 1961 | 1984 | 1981 | 1978 | 1975 | 1985 | 1977 | 1977 | 1964 | 1964 |
| Lowest Precipitation (in.) | 0.98 | 1.29 | 1.55 | 0.74 | 0.74 | 0.57 | 0.00 | 0.00 | 0.02 | 0.00 | 1.09 | 1.11 | 25.40 |
| Year Lowest Occurred | 1985 | 1977 | 1965 | 1977 | 1966 | 1986 | 1984 | 1970 | 1990 | 1987 | 1969 | 1985 | 1974 |
| Heating Degree Days (F) | 1277. | 1039. | 995. | 744. | 508. | 264. | 120. | 157. | 392. | 704. | 987. | 1249. | 8436. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 6. | 33. | 42. | 8. | 0. | 0. | 0. | 89. |