| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.4 | 43.4 | 55.3 | 63.9 | 73.3 | 82.2 | 91.0 | 88.8 | 78.8 | 65.8 | 48.5 | 36.7 | 63.5 |
| Highest Mean Max. Temperature (F) | 45.9 | 50.9 | 66.4 | 73.7 | 79.1 | 90.0 | 97.7 | 94.8 | 87.8 | 76.2 | 54.5 | 46.2 | 66.6 |
| Year Highest Occurred | 1978 | 1970 | 1978 | 1987 | 1966 | 1977 | 1985 | 1967 | 1990 | 1988 | 1976 | 1977 | 1987 |
| Lowest Mean Max. Temperature (F) | 24.9 | 30.0 | 48.4 | 55.7 | 69.0 | 76.5 | 84.8 | 81.3 | 70.1 | 60.8 | 37.1 | 21.5 | 59.4 |
| Year Lowest Occurred | 1985 | 1989 | 1964 | 1975 | 1978 | 1975 | 1982 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 25.3 | 32.7 | 41.8 | 49.1 | 57.6 | 65.8 | 72.3 | 70.0 | 60.5 | 49.0 | 37.4 | 27.8 | 49.1 |
| Highest Mean Temperature (F) | 37.3 | 39.7 | 49.9 | 55.7 | 62.2 | 72.4 | 76.9 | 75.0 | 68.6 | 56.4 | 41.5 | 37.8 | 51.2 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1987 | 1987 | 1977 | 1985 | 1961 | 1990 | 1988 | 1981 | 1977 | 1977 |
| Lowest Mean Temperature (F) | 13.9 | 16.5 | 36.3 | 43.9 | 54.2 | 62.1 | 68.7 | 65.8 | 54.5 | 44.8 | 26.8 | 11.1 | 44.3 |
| Year Lowest Occurred | 1985 | 1989 | 1985 | 1975 | 1978 | 1980 | 1963 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 16.2 | 21.9 | 28.2 | 34.3 | 42.0 | 49.4 | 53.7 | 51.1 | 42.1 | 32.2 | 26.2 | 18.8 | 34.7 |
| Highest Mean Min. Temperature (F) | 28.7 | 31.7 | 34.9 | 37.8 | 45.5 | 54.7 | 59.3 | 57.2 | 49.3 | 37.5 | 31.0 | 29.4 | 37.3 |
| Year Highest Occurred | 1978 | 1978 | 1983 | 1977 | 1987 | 1977 | 1975 | 1961 | 1990 | 1963 | 1988 | 1977 | 1977 |
| Lowest Mean Min. Temperature (F) | 2.9 | 2.9 | 21.0 | 30.1 | 38.6 | 46.0 | 49.0 | 46.6 | 37.1 | 27.9 | 16.5 | 0.6 | 29.2 |
| Year Lowest Occurred | 1985 | 1989 | 1965 | 1970 | 1967 | 1976 | 1963 | 1985 | 1971 | 1966 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.46 | 1.14 | 1.07 | 0.91 | 0.77 | 0.88 | 0.22 | 0.46 | 0.56 | 0.74 | 1.66 | 1.62 | 11.49 |
| Highest Precipitation (in.) | 5.38 | 4.44 | 2.90 | 3.69 | 1.72 | 2.44 | 1.01 | 2.09 | 2.00 | 2.65 | 3.65 | 3.99 | 16.28 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1962 | 1969 | 1978 | 1979 | 1986 | 1975 | 1973 | 1964 | 1970 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.19 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.05 | 7.18 |
| Year Lowest Occurred | 1986 | 1988 | 1963 | 1977 | 1974 | 1986 | 1984 | 1985 | 1990 | 1988 | 1989 | 1989 | 1985 |
| Heating Degree Days (F) | 1231. | 904. | 719. | 477. | 234. | 78. | 5. | 25. | 182. | 496. | 828. | 1153. | 6332. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 102. | 231. | 180. | 47. | 0. | 0. | 0. | 560. |