| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.9 | 43.7 | 55.0 | 63.9 | 72.9 | 81.9 | 91.2 | 89.8 | 78.7 | 65.9 | 49.4 | 37.1 | 63.7 |
| Highest Mean Max. Temperature (F) | 44.1 | 52.0 | 61.7 | 73.2 | 78.8 | 90.4 | 95.7 | 98.4 | 87.6 | 76.3 | 55.0 | 44.4 | 66.5 |
| Year Highest Occurred | 1966 | 1970 | 1978 | 1987 | 1969 | 1961 | 1961 | 1971 | 1990 | 1988 | 1965 | 1977 | 1967 |
| Lowest Mean Max. Temperature (F) | 23.9 | 27.8 | 48.0 | 54.6 | 65.9 | 75.4 | 83.7 | 82.1 | 70.0 | 60.0 | 38.0 | 20.4 | 58.6 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1964 | 1983 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 26.4 | 33.7 | 42.1 | 49.5 | 57.9 | 65.8 | 72.5 | 70.7 | 60.6 | 49.4 | 38.2 | 28.5 | 49.6 |
| Highest Mean Temperature (F) | 36.0 | 40.5 | 47.9 | 55.6 | 62.9 | 71.5 | 77.0 | 77.1 | 68.0 | 58.0 | 42.5 | 36.4 | 51.5 |
| Year Highest Occurred | 1970 | 1963 | 1986 | 1990 | 1987 | 1961 | 1975 | 1971 | 1990 | 1988 | 1965 | 1977 | 1967 |
| Lowest Mean Temperature (F) | 13.1 | 16.1 | 37.3 | 43.7 | 53.4 | 61.6 | 67.3 | 65.9 | 54.8 | 45.5 | 27.6 | 11.1 | 45.0 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1980 | 1983 | 1976 | 1985 | 1985 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 17.8 | 23.8 | 29.0 | 35.0 | 42.8 | 49.7 | 53.7 | 51.6 | 42.4 | 32.8 | 27.0 | 19.8 | 35.5 |
| Highest Mean Min. Temperature (F) | 28.3 | 31.5 | 34.8 | 40.0 | 48.3 | 54.5 | 59.7 | 57.4 | 48.7 | 39.6 | 33.7 | 28.3 | 37.5 |
| Year Highest Occurred | 1970 | 1961 | 1986 | 1990 | 1987 | 1988 | 1975 | 1961 | 1967 | 1988 | 1983 | 1977 | 1961 |
| Lowest Mean Min. Temperature (F) | 2.2 | 4.3 | 20.5 | 30.1 | 38.4 | 45.0 | 50.2 | 46.9 | 37.7 | 29.2 | 17.2 | 1.7 | 31.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1964 | 1980 | 1963 | 1980 | 1971 | 1966 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.48 | 0.99 | 1.16 | 0.94 | 0.95 | 0.99 | 0.29 | 0.58 | 0.71 | 0.76 | 1.32 | 1.41 | 11.58 |
| Highest Precipitation (in.) | 5.23 | 1.93 | 3.05 | 3.36 | 2.61 | 2.96 | 1.49 | 3.58 | 2.55 | 2.21 | 2.91 | 2.74 | 18.88 |
| Year Highest Occurred | 1970 | 1968 | 1983 | 1978 | 1962 | 1967 | 1965 | 1968 | 1980 | 1962 | 1970 | 1982 | 1970 |
| Lowest Precipitation (in.) | 0.00 | 0.03 | 0.14 | 0.00 | 0.16 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.05 | 6.77 |
| Year Lowest Occurred | 1985 | 1988 | 1963 | 1961 | 1978 | 1973 | 1988 | 1988 | 1987 | 1988 | 1976 | 1989 | 1966 |
| Heating Degree Days (F) | 1197. | 876. | 710. | 465. | 231. | 80. | 8. | 26. | 177. | 484. | 804. | 1132. | 6190. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 104. | 240. | 203. | 45. | 0. | 0. | 0. | 603. |