| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.6 | 42.8 | 48.1 | 55.8 | 64.4 | 73.0 | 81.9 | 80.8 | 73.0 | 62.5 | 45.9 | 38.3 | 58.7 |
| Highest Mean Max. Temperature (F) | 43.6 | 51.1 | 55.5 | 67.1 | 71.0 | 80.4 | 86.5 | 88.0 | 80.9 | 73.1 | 55.0 | 46.9 | 61.4 |
| Year Highest Occurred | 1961 | 1977 | 1986 | 1987 | 1966 | 1961 | 1985 | 1967 | 1967 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 28.9 | 31.1 | 42.7 | 45.2 | 55.5 | 67.2 | 75.4 | 72.3 | 62.7 | 52.7 | 36.8 | 30.6 | 55.6 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1977 | 1980 | 1987 | 1976 | 1985 | 1984 | 1985 | 1983 | 1982 |
| Mean Temperature (F) | 27.2 | 32.0 | 35.3 | 40.3 | 47.5 | 55.4 | 61.9 | 60.9 | 53.4 | 45.2 | 34.4 | 27.8 | 43.4 |
| Highest Mean Temperature (F) | 33.8 | 38.3 | 41.1 | 48.7 | 51.6 | 60.4 | 67.1 | 66.0 | 60.1 | 53.9 | 39.7 | 35.1 | 45.8 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1987 | 1974 | 1985 | 1986 | 1990 | 1988 | 1976 | 1980 | 1988 |
| Lowest Mean Temperature (F) | 17.4 | 21.1 | 30.5 | 32.9 | 42.2 | 50.5 | 56.3 | 56.3 | 46.7 | 39.7 | 24.2 | 20.6 | 41.2 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1970 | 1962 | 1976 | 1963 | 1980 | 1985 | 1984 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 16.8 | 21.1 | 22.5 | 24.8 | 30.6 | 37.7 | 41.8 | 41.0 | 33.8 | 27.9 | 22.8 | 17.3 | 28.2 |
| Highest Mean Min. Temperature (F) | 25.1 | 26.8 | 27.9 | 32.2 | 35.5 | 41.1 | 47.6 | 46.5 | 41.8 | 34.7 | 27.7 | 25.2 | 30.4 |
| Year Highest Occurred | 1986 | 1983 | 1983 | 1990 | 1987 | 1982 | 1985 | 1990 | 1990 | 1988 | 1983 | 1973 | 1990 |
| Lowest Mean Min. Temperature (F) | 5.8 | 11.0 | 17.7 | 17.0 | 25.7 | 32.7 | 35.7 | 34.7 | 27.8 | 23.9 | 11.5 | 8.4 | 25.5 |
| Year Lowest Occurred | 1979 | 1989 | 1963 | 1970 | 1964 | 1976 | 1986 | 1980 | 1970 | 1974 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.06 | 0.49 | 0.64 | 0.64 | 1.05 | 0.95 | 0.52 | 0.72 | 0.49 | 0.67 | 1.27 | 1.10 | 9.60 |
| Highest Precipitation (in.) | 2.78 | 1.40 | 1.60 | 2.41 | 3.09 | 3.68 | 3.37 | 4.67 | 2.05 | 1.87 | 4.00 | 4.51 | 14.99 |
| Year Highest Occurred | 1970 | 1968 | 1989 | 1978 | 1977 | 1969 | 1987 | 1976 | 1982 | 1962 | 1968 | 1964 | 1968 |
| Lowest Precipitation (in.) | 0.10 | 0.00 | 0.00 | 0.02 | 0.08 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.11 | 5.18 |
| Year Lowest Occurred | 1984 | 1967 | 1965 | 1961 | 1975 | 1973 | 1988 | 1980 | 1987 | 1988 | 1976 | 1976 | 1974 |
| Heating Degree Days (F) | 1172. | 924. | 921. | 741. | 543. | 296. | 142. | 168. | 362. | 614. | 918. | 1153. | 7954. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 8. | 46. | 40. | 14. | 0. | 0. | 0. | 108. |