| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 46.1 | 52.6 | 61.6 | 71.1 | 81.6 | 86.6 | 83.8 | 76.4 | 66.3 | 51.9 | 41.4 | 63.3 |
| Highest Mean Max. Temperature (F) | 50.6 | 52.3 | 63.5 | 69.8 | 78.7 | 88.7 | 90.3 | 86.9 | 81.6 | 73.2 | 57.7 | 50.1 | 66.6 |
| Year Highest Occurred | 1981 | 1972 | 1972 | 1989 | 1974 | 1990 | 1989 | 1985 | 1989 | 1964 | 1975 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 30.6 | 40.8 | 45.3 | 54.2 | 64.5 | 74.8 | 82.8 | 77.8 | 69.3 | 54.1 | 44.7 | 33.9 | 60.8 |
| Year Lowest Occurred | 1979 | 1966 | 1980 | 1983 | 1980 | 1969 | 1986 | 1968 | 1986 | 1984 | 1979 | 1978 | 1982 |
| Mean Temperature (F) | 24.8 | 31.0 | 37.5 | 45.2 | 53.3 | 62.0 | 68.7 | 66.4 | 58.7 | 48.5 | 36.8 | 27.2 | 46.7 |
| Highest Mean Temperature (F) | 33.6 | 36.1 | 43.6 | 51.4 | 58.3 | 66.9 | 71.0 | 69.7 | 62.4 | 53.0 | 40.5 | 35.3 | 48.7 |
| Year Highest Occurred | 1986 | 1986 | 1989 | 1989 | 1984 | 1990 | 1989 | 1983 | 1977 | 1988 | 1966 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 17.8 | 24.8 | 32.3 | 39.6 | 50.3 | 58.0 | 66.1 | 61.7 | 54.5 | 42.3 | 30.6 | 20.5 | 44.8 |
| Year Lowest Occurred | 1979 | 1974 | 1969 | 1970 | 1980 | 1969 | 1986 | 1968 | 1961 | 1984 | 1979 | 1990 | 1973 |
| Mean Min. Temperature (F) | 10.0 | 15.9 | 22.4 | 28.7 | 35.5 | 42.3 | 50.7 | 48.9 | 40.9 | 30.7 | 21.5 | 12.9 | 30.0 |
| Highest Mean Min. Temperature (F) | 18.9 | 23.6 | 28.7 | 33.2 | 39.7 | 47.6 | 54.1 | 53.5 | 45.8 | 36.9 | 26.6 | 20.4 | 32.9 |
| Year Highest Occurred | 1980 | 1986 | 1978 | 1978 | 1984 | 1977 | 1977 | 1983 | 1990 | 1972 | 1978 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 3.3 | 6.7 | 17.2 | 23.8 | 31.6 | 38.6 | 47.1 | 44.2 | 34.0 | 27.0 | 16.4 | 6.3 | 26.9 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1973 | 1971 | 1964 | 1961 | 1974 | 1973 | 1973 | 1979 | 1990 | 1973 |
| Mean Precipitation (in.) | 1.59 | 1.38 | 1.65 | 1.21 | 1.07 | 0.68 | 1.84 | 2.43 | 1.91 | 2.02 | 1.68 | 1.83 | 19.29 |
| Highest Precipitation (in.) | 6.94 | 4.80 | 4.08 | 3.35 | 2.99 | 2.44 | 5.36 | 5.17 | 5.10 | 11.79 | 4.55 | 5.36 | 27.33 |
| Year Highest Occurred | 1980 | 1980 | 1961 | 1965 | 1978 | 1969 | 1981 | 1963 | 1990 | 1972 | 1982 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.08 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.33 | 0.24 | 0.09 | 0.00 | 0.00 | 0.00 | 11.17 |
| Year Lowest Occurred | 1986 | 1972 | 1971 | 1989 | 1974 | 1980 | 1980 | 1985 | 1968 | 1964 | 1989 | 1989 | 1977 |
| Heating Degree Days (F) | 1246. | 952. | 853. | 594. | 363. | 127. | 6. | 37. | 203. | 512. | 846. | 1172. | 6911. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 37. | 120. | 81. | 14. | 0. | 0. | 0. | 252. |