| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 45.8 | 52.1 | 60.5 | 70.1 | 80.2 | 89.9 | 88.0 | 78.7 | 67.2 | 50.0 | 40.4 | 63.5 |
| Highest Mean Max. Temperature (F) | 47.7 | 52.7 | 58.9 | 70.6 | 78.2 | 88.0 | 95.1 | 95.2 | 85.8 | 78.6 | 57.9 | 47.6 | 67.1 |
| Year Highest Occurred | 1981 | 1963 | 1990 | 1987 | 1966 | 1961 | 1988 | 1967 | 1990 | 1988 | 1976 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 33.3 | 38.9 | 46.5 | 49.4 | 61.0 | 72.9 | 84.4 | 79.8 | 71.8 | 58.0 | 43.2 | 32.5 | 60.1 |
| Year Lowest Occurred | 1979 | 1962 | 1962 | 1967 | 1977 | 1963 | 1982 | 1968 | 1986 | 1984 | 1985 | 1972 | 1982 |
| Mean Temperature (F) | 28.1 | 34.0 | 38.8 | 44.8 | 53.0 | 61.6 | 68.9 | 67.2 | 58.5 | 48.8 | 36.9 | 28.8 | 47.5 |
| Highest Mean Temperature (F) | 35.7 | 41.1 | 45.2 | 51.2 | 58.8 | 68.4 | 72.8 | 72.5 | 64.0 | 56.4 | 40.6 | 35.2 | 49.7 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1961 | 1968 | 1967 | 1963 | 1988 | 1981 | 1981 | 1981 |
| Lowest Mean Temperature (F) | 21.6 | 26.3 | 35.1 | 38.4 | 47.9 | 56.7 | 64.0 | 62.0 | 52.6 | 42.0 | 30.5 | 17.6 | 45.3 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1967 | 1977 | 1984 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 16.6 | 22.1 | 25.4 | 29.1 | 35.8 | 43.0 | 47.8 | 46.4 | 38.2 | 30.3 | 23.7 | 17.2 | 31.3 |
| Highest Mean Min. Temperature (F) | 25.3 | 29.5 | 32.2 | 33.0 | 41.0 | 50.5 | 51.4 | 52.5 | 44.8 | 36.3 | 29.7 | 26.0 | 33.3 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1963 | 1977 | 1975 | 1961 | 1963 | 1963 | 1973 | 1981 | 1983 |
| Lowest Mean Min. Temperature (F) | 7.2 | 13.0 | 18.1 | 25.0 | 30.5 | 38.4 | 43.4 | 41.9 | 33.0 | 25.9 | 17.6 | 0.3 | 28.2 |
| Year Lowest Occurred | 1963 | 1989 | 1988 | 1970 | 1990 | 1984 | 1963 | 1989 | 1970 | 1984 | 1989 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.24 | 1.04 | 0.93 | 0.59 | 0.72 | 0.82 | 0.30 | 0.41 | 0.53 | 0.61 | 1.39 | 1.36 | 9.94 |
| Highest Precipitation (in.) | 3.58 | 5.33 | 2.87 | 1.58 | 2.71 | 3.26 | 1.37 | 1.99 | 2.07 | 2.07 | 3.85 | 6.00 | 20.79 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1983 | 1987 | 1977 | 1982 | 1976 | 1982 | 1972 | 1988 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.11 | 0.01 | 0.09 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 4.89 |
| Year Lowest Occurred | 1961 | 1967 | 1968 | 1961 | 1974 | 1986 | 1989 | 1987 | 1987 | 1988 | 1969 | 1976 | 1966 |
| Heating Degree Days (F) | 1144. | 868. | 812. | 606. | 372. | 147. | 23. | 55. | 226. | 502. | 843. | 1122. | 6720. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 45. | 144. | 123. | 31. | 0. | 0. | 0. | 343. |