| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.0 | 41.9 | 50.2 | 58.8 | 67.5 | 75.7 | 83.6 | 83.0 | 72.9 | 59.5 | 43.2 | 36.2 | 59.0 |
| Highest Mean Max. Temperature (F) | 41.8 | 46.1 | 56.5 | 68.8 | 72.7 | 82.9 | 89.9 | 90.1 | 81.8 | 68.9 | 47.8 | 42.2 | 62.2 |
| Year Highest Occurred | 1981 | 1988 | 1986 | 1987 | 1973 | 1961 | 1985 | 1967 | 1990 | 1988 | 1990 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 22.2 | 31.9 | 45.0 | 51.2 | 60.8 | 69.1 | 78.2 | 75.1 | 65.3 | 54.6 | 32.4 | 27.1 | 56.5 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1970 | 1962 | 1971 | 1986 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 30.3 | 34.9 | 40.4 | 46.4 | 53.2 | 60.1 | 65.2 | 65.0 | 57.3 | 47.7 | 37.3 | 30.9 | 47.4 |
| Highest Mean Temperature (F) | 36.3 | 39.2 | 45.6 | 53.1 | 56.4 | 64.2 | 69.1 | 69.3 | 62.7 | 54.7 | 41.1 | 36.5 | 49.3 |
| Year Highest Occurred | 1990 | 1961 | 1986 | 1987 | 1987 | 1986 | 1985 | 1967 | 1990 | 1988 | 1965 | 1980 | 1987 |
| Lowest Mean Temperature (F) | 14.9 | 24.6 | 36.3 | 40.9 | 49.8 | 56.2 | 61.3 | 60.7 | 52.3 | 44.1 | 26.3 | 21.5 | 44.6 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1970 | 1962 | 1971 | 1986 | 1964 | 1985 | 1971 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 24.6 | 27.9 | 30.6 | 34.0 | 38.9 | 44.5 | 46.7 | 46.9 | 41.7 | 35.9 | 31.3 | 25.5 | 35.7 |
| Highest Mean Min. Temperature (F) | 31.6 | 33.6 | 34.7 | 37.4 | 41.7 | 48.0 | 51.1 | 50.2 | 45.6 | 40.5 | 34.9 | 31.2 | 36.9 |
| Year Highest Occurred | 1990 | 1961 | 1983 | 1990 | 1987 | 1969 | 1975 | 1983 | 1967 | 1988 | 1983 | 1966 | 1986 |
| Lowest Mean Min. Temperature (F) | 7.6 | 17.3 | 25.7 | 30.5 | 36.5 | 40.8 | 43.1 | 41.5 | 38.4 | 32.7 | 20.1 | 15.9 | 32.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1975 | 1962 | 1972 | 1980 | 1961 | 1978 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 5.41 | 4.04 | 4.51 | 3.35 | 2.63 | 1.96 | 0.67 | 1.17 | 1.84 | 2.96 | 5.55 | 4.95 | 39.04 |
| Highest Precipitation (in.) | 12.64 | 9.85 | 7.38 | 7.16 | 4.57 | 4.09 | 2.43 | 4.42 | 4.31 | 7.00 | 12.83 | 12.93 | 52.81 |
| Year Highest Occurred | 1970 | 1961 | 1984 | 1974 | 1971 | 1971 | 1983 | 1977 | 1971 | 1990 | 1973 | 1964 | 1970 |
| Lowest Precipitation (in.) | 0.52 | 1.53 | 0.72 | 0.86 | 1.12 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 1.56 | 1.23 | 19.19 |
| Year Lowest Occurred | 1985 | 1989 | 1965 | 1977 | 1963 | 1986 | 1973 | 1988 | 1990 | 1987 | 1969 | 1985 | 1976 |
| Heating Degree Days (F) | 1076. | 843. | 763. | 558. | 366. | 169. | 65. | 78. | 251. | 536. | 831. | 1057. | 6593. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 22. | 72. | 78. | 20. | 0. | 0. | 0. | 192. |