| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.9 | 45.0 | 56.6 | 66.3 | 75.7 | 84.9 | 94.2 | 91.9 | 80.3 | 66.7 | 49.7 | 37.6 | 65.4 |
| Highest Mean Max. Temperature (F) | 44.1 | 53.3 | 63.5 | 75.5 | 82.7 | 94.9 | 98.4 | 98.8 | 87.4 | 74.3 | 55.1 | 45.5 | 68.2 |
| Year Highest Occurred | 1966 | 1963 | 1978 | 1987 | 1966 | 1961 | 1961 | 1981 | 1990 | 1988 | 1976 | 1973 | 1987 |
| Lowest Mean Max. Temperature (F) | 24.6 | 28.4 | 47.4 | 57.3 | 65.1 | 74.5 | 89.0 | 84.7 | 66.4 | 56.6 | 32.5 | 15.5 | 56.6 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1990 | 1969 | 1983 | 1968 | 1985 | 1985 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 27.2 | 34.7 | 43.4 | 50.8 | 59.6 | 68.2 | 75.5 | 73.2 | 62.3 | 50.5 | 38.8 | 28.8 | 51.1 |
| Highest Mean Temperature (F) | 35.4 | 41.4 | 49.0 | 56.9 | 63.8 | 75.1 | 79.5 | 78.8 | 68.6 | 56.4 | 42.4 | 37.7 | 53.5 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1987 | 1987 | 1977 | 1975 | 1981 | 1990 | 1988 | 1965 | 1977 | 1973 |
| Lowest Mean Temperature (F) | 14.2 | 17.4 | 36.9 | 44.5 | 51.5 | 60.9 | 71.9 | 67.0 | 52.5 | 42.5 | 23.3 | 7.1 | 43.6 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1967 | 1990 | 1990 | 1983 | 1985 | 1985 | 1985 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 18.4 | 24.3 | 30.2 | 35.3 | 43.4 | 51.4 | 56.8 | 54.4 | 44.3 | 34.3 | 27.8 | 20.0 | 36.7 |
| Highest Mean Min. Temperature (F) | 28.6 | 32.0 | 36.3 | 40.5 | 48.2 | 58.7 | 62.5 | 58.7 | 49.8 | 39.6 | 33.6 | 30.0 | 39.1 |
| Year Highest Occurred | 1981 | 1983 | 1983 | 1988 | 1987 | 1988 | 1975 | 1981 | 1966 | 1963 | 1983 | 1977 | 1988 |
| Lowest Mean Min. Temperature (F) | 3.7 | 6.4 | 21.8 | 30.3 | 37.8 | 45.0 | 53.0 | 49.1 | 38.6 | 28.3 | 14.1 | -1.4 | 30.5 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1990 | 1990 | 1963 | 1985 | 1985 | 1985 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.17 | 0.83 | 0.89 | 0.71 | 0.79 | 0.81 | 0.35 | 0.51 | 0.56 | 0.64 | 1.16 | 1.35 | 9.77 |
| Highest Precipitation (in.) | 3.07 | 1.96 | 2.48 | 4.07 | 2.13 | 1.82 | 1.36 | 3.12 | 1.89 | 2.54 | 2.54 | 3.86 | 16.40 |
| Year Highest Occurred | 1970 | 1989 | 1983 | 1978 | 1962 | 1964 | 1976 | 1979 | 1986 | 1975 | 1968 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.16 | 0.00 | 0.09 | 0.03 | 0.04 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.02 | 6.27 |
| Year Lowest Occurred | 1985 | 1990 | 1965 | 1961 | 1972 | 1961 | 1990 | 1980 | 1990 | 1988 | 1976 | 1989 | 1974 |
| Heating Degree Days (F) | 1172. | 848. | 670. | 426. | 193. | 71. | 0. | 18. | 161. | 450. | 786. | 1122. | 5917. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 25. | 167. | 326. | 272. | 80. | 0. | 0. | 0. | 870. |