| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.8 | 39.4 | 48.3 | 57.9 | 66.3 | 75.8 | 86.5 | 85.8 | 74.9 | 63.0 | 45.7 | 34.4 | 59.2 |
| Highest Mean Max. Temperature (F) | 38.2 | 50.3 | 56.4 | 68.2 | 72.5 | 86.5 | 92.4 | 93.8 | 84.6 | 74.5 | 52.4 | 41.5 | 61.8 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1962 | 1966 | 1961 | 1961 | 1967 | 1990 | 1988 | 1976 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 23.6 | 29.1 | 40.6 | 48.6 | 60.0 | 68.9 | 79.3 | 78.7 | 65.4 | 56.1 | 34.8 | 24.3 | 55.3 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1980 | 1983 | 1976 | 1985 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 23.2 | 29.4 | 36.9 | 44.6 | 52.4 | 60.9 | 69.7 | 69.0 | 58.8 | 47.8 | 34.8 | 24.9 | 46.0 |
| Highest Mean Temperature (F) | 29.6 | 40.1 | 42.5 | 51.6 | 56.9 | 68.8 | 74.5 | 76.0 | 68.0 | 57.1 | 39.8 | 31.4 | 48.0 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1990 | 1987 | 1961 | 1961 | 1961 | 1990 | 1988 | 1965 | 1977 | 1987 |
| Lowest Mean Temperature (F) | 12.4 | 18.1 | 30.0 | 37.7 | 48.2 | 55.9 | 64.4 | 63.4 | 51.9 | 42.1 | 22.6 | 12.6 | 41.7 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1984 | 1983 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 13.7 | 19.4 | 25.4 | 31.1 | 38.3 | 46.0 | 52.9 | 52.1 | 42.7 | 32.5 | 23.9 | 15.3 | 32.8 |
| Highest Mean Min. Temperature (F) | 24.0 | 29.9 | 30.0 | 36.9 | 42.8 | 51.1 | 56.5 | 58.7 | 51.3 | 39.7 | 28.2 | 23.8 | 34.7 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1990 | 1987 | 1961 | 1975 | 1961 | 1990 | 1988 | 1966 | 1977 | 1967 |
| Lowest Mean Min. Temperature (F) | 1.2 | 7.1 | 19.4 | 26.3 | 35.5 | 42.0 | 49.3 | 46.4 | 37.5 | 27.4 | 10.4 | 0.8 | 27.9 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1970 | 1975 | 1976 | 1981 | 1985 | 1971 | 1985 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.36 | 0.94 | 0.90 | 0.77 | 1.04 | 1.03 | 0.44 | 0.77 | 0.58 | 0.61 | 1.45 | 1.73 | 11.62 |
| Highest Precipitation (in.) | 3.74 | 2.46 | 2.48 | 2.48 | 2.18 | 2.43 | 2.33 | 3.27 | 1.59 | 1.94 | 4.16 | 4.28 | 17.82 |
| Year Highest Occurred | 1970 | 1983 | 1983 | 1963 | 1981 | 1964 | 1982 | 1965 | 1986 | 1962 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.02 | 0.05 | 0.06 | 0.00 | 0.20 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.05 | 7.26 |
| Year Lowest Occurred | 1984 | 1988 | 1973 | 1974 | 1974 | 1962 | 1988 | 1981 | 1974 | 1988 | 1969 | 1989 | 1961 |
| Heating Degree Days (F) | 1296. | 997. | 871. | 612. | 391. | 170. | 26. | 62. | 242. | 533. | 906. | 1243. | 7349. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 47. | 172. | 186. | 56. | 0. | 0. | 0. | 461. |