| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.3 | 38.8 | 44.6 | 54.1 | 64.2 | 76.0 | 83.7 | 81.6 | 71.7 | 60.2 | 45.3 | 34.8 | 57.4 |
| Highest Mean Max. Temperature (F) | 43.6 | 49.7 | 55.9 | 60.5 | 71.7 | 81.8 | 88.3 | 89.6 | 77.9 | 67.4 | 52.1 | 45.1 | 60.2 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1977 | 1969 | 1977 | 1962 | 1969 | 1966 | 1988 | 1966 | 1980 | 1962 |
| Lowest Mean Max. Temperature (F) | 20.7 | 31.2 | 37.7 | 44.4 | 54.9 | 68.9 | 78.9 | 74.6 | 64.8 | 50.4 | 36.5 | 26.9 | 54.3 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1970 | 1971 | 1970 | 1983 | 1968 | 1965 | 1970 | 1979 | 1978 | 1982 |
| Mean Temperature (F) | 23.0 | 27.9 | 33.0 | 41.7 | 51.6 | 61.7 | 69.5 | 67.4 | 58.1 | 47.6 | 34.5 | 24.8 | 45.1 |
| Highest Mean Temperature (F) | 32.8 | 37.9 | 40.4 | 47.5 | 58.5 | 67.2 | 74.7 | 73.9 | 63.5 | 53.8 | 41.0 | 35.4 | 47.3 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1969 | 1977 | 1962 | 1969 | 1966 | 1988 | 1966 | 1980 | 1966 |
| Lowest Mean Temperature (F) | 13.2 | 20.8 | 25.6 | 32.8 | 46.0 | 56.5 | 65.4 | 62.0 | 52.4 | 39.1 | 26.5 | 17.3 | 42.7 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1970 | 1971 | 1975 | 1983 | 1968 | 1961 | 1984 | 1979 | 1990 | 1984 |
| Mean Min. Temperature (F) | 12.8 | 17.0 | 21.4 | 29.3 | 38.9 | 47.4 | 55.1 | 53.1 | 44.4 | 34.9 | 23.7 | 14.8 | 32.7 |
| Highest Mean Min. Temperature (F) | 22.0 | 26.0 | 26.9 | 35.8 | 45.3 | 52.5 | 61.1 | 58.1 | 50.5 | 40.2 | 30.6 | 25.6 | 35.2 |
| Year Highest Occurred | 1981 | 1970 | 1978 | 1971 | 1969 | 1977 | 1962 | 1969 | 1990 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 5.7 | 8.6 | 13.4 | 21.2 | 33.7 | 42.7 | 51.4 | 49.3 | 39.2 | 27.7 | 16.4 | 5.5 | 30.3 |
| Year Lowest Occurred | 1979 | 1979 | 1964 | 1970 | 1975 | 1976 | 1987 | 1968 | 1961 | 1984 | 1979 | 1990 | 1979 |
| Mean Precipitation (in.) | 0.69 | 0.86 | 1.10 | 1.05 | 1.17 | 0.89 | 1.31 | 1.40 | 1.47 | 1.25 | 0.83 | 0.73 | 12.75 |
| Highest Precipitation (in.) | 3.32 | 4.41 | 2.90 | 3.08 | 2.95 | 2.99 | 3.07 | 3.34 | 4.55 | 4.31 | 3.95 | 1.93 | 20.28 |
| Year Highest Occurred | 1969 | 1980 | 1979 | 1988 | 1981 | 1969 | 1983 | 1968 | 1982 | 1972 | 1978 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 5.78 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1962 | 1974 | 1980 | 1979 | 1985 | 1979 | 1976 | 1976 | 1976 | 1989 |
| Heating Degree Days (F) | 1302. | 1039. | 992. | 699. | 419. | 146. | 16. | 43. | 224. | 539. | 915. | 1246. | 7580. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 47. | 156. | 117. | 17. | 0. | 0. | 0. | 337. |