| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.4 | 45.1 | 50.7 | 58.9 | 69.1 | 79.6 | 89.5 | 87.2 | 76.5 | 65.6 | 48.8 | 39.3 | 62.4 |
| Highest Mean Max. Temperature (F) | 47.0 | 53.1 | 57.6 | 69.3 | 75.8 | 87.9 | 93.8 | 93.2 | 83.7 | 75.8 | 57.2 | 47.0 | 65.4 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1974 | 1985 | 1967 | 1990 | 1988 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 31.1 | 35.5 | 45.7 | 48.6 | 61.1 | 72.5 | 83.0 | 79.4 | 68.1 | 55.2 | 41.9 | 27.7 | 59.1 |
| Year Lowest Occurred | 1989 | 1989 | 1985 | 1975 | 1977 | 1984 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1984 |
| Mean Temperature (F) | 26.5 | 32.3 | 37.0 | 43.5 | 51.9 | 61.0 | 68.8 | 66.5 | 56.4 | 46.3 | 35.3 | 27.4 | 46.1 |
| Highest Mean Temperature (F) | 37.6 | 39.5 | 44.0 | 49.2 | 56.3 | 67.3 | 75.2 | 73.6 | 62.1 | 52.5 | 39.0 | 33.9 | 48.4 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1961 | 1985 | 1967 | 1990 | 1988 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 18.3 | 23.8 | 30.9 | 36.6 | 46.5 | 54.8 | 62.9 | 61.2 | 51.0 | 39.8 | 30.7 | 14.2 | 43.3 |
| Year Lowest Occurred | 1984 | 1985 | 1985 | 1975 | 1977 | 1984 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1984 |
| Mean Min. Temperature (F) | 14.4 | 19.4 | 23.2 | 28.1 | 34.7 | 42.3 | 48.0 | 45.8 | 36.2 | 26.8 | 21.8 | 15.4 | 29.7 |
| Highest Mean Min. Temperature (F) | 28.1 | 29.3 | 31.2 | 32.0 | 41.4 | 48.7 | 56.6 | 53.9 | 41.8 | 33.0 | 27.3 | 24.9 | 32.0 |
| Year Highest Occurred | 1986 | 1986 | 1983 | 1990 | 1987 | 1972 | 1985 | 1967 | 1963 | 1972 | 1970 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 4.6 | 10.0 | 16.0 | 22.0 | 28.8 | 37.1 | 42.7 | 41.4 | 31.7 | 21.3 | 14.2 | 0.7 | 27.5 |
| Year Lowest Occurred | 1984 | 1985 | 1985 | 1982 | 1982 | 1984 | 1983 | 1974 | 1970 | 1974 | 1961 | 1990 | 1984 |
| Mean Precipitation (in.) | 0.90 | 0.71 | 0.85 | 0.88 | 1.10 | 1.11 | 0.34 | 0.56 | 0.60 | 0.65 | 1.03 | 1.01 | 9.74 |
| Highest Precipitation (in.) | 2.73 | 2.80 | 1.84 | 3.28 | 2.76 | 3.11 | 1.60 | 2.82 | 1.94 | 2.05 | 2.51 | 3.69 | 17.27 |
| Year Highest Occurred | 1969 | 1976 | 1983 | 1973 | 1987 | 1970 | 1982 | 1976 | 1980 | 1975 | 1977 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.06 | 0.00 | 0.06 | 0.10 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.02 | 4.59 |
| Year Lowest Occurred | 1984 | 1988 | 1988 | 1982 | 1969 | 1974 | 1989 | 1986 | 1987 | 1988 | 1975 | 1976 | 1966 |
| Heating Degree Days (F) | 1194. | 916. | 868. | 645. | 406. | 163. | 36. | 75. | 271. | 580. | 891. | 1166. | 7211. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 43. | 154. | 121. | 13. | 0. | 0. | 0. | 331. |