| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 25.9 | 30.3 | 36.5 | 44.9 | 57.1 | 68.3 | 74.3 | 72.4 | 64.4 | 54.8 | 39.3 | 28.4 | 49.7 |
| Highest Mean Max. Temperature (F) | 36.0 | 35.8 | 42.3 | 52.6 | 63.4 | 74.4 | 77.9 | 75.8 | 71.0 | 64.9 | 49.8 | 40.4 | 54.8 |
| Year Highest Occurred | 1981 | 1963 | 1990 | 1981 | 1966 | 1990 | 1966 | 1969 | 1963 | 1963 | 1963 | 1962 | 1963 |
| Lowest Mean Max. Temperature (F) | 18.8 | 24.6 | 29.5 | 38.5 | 50.7 | 62.2 | 68.3 | 67.6 | 56.9 | 41.9 | 31.1 | 21.5 | 47.1 |
| Year Lowest Occurred | 1984 | 1974 | 1965 | 1970 | 1983 | 1975 | 1975 | 1968 | 1986 | 1969 | 1979 | 1978 | 1984 |
| Mean Temperature (F) | 10.1 | 14.0 | 21.9 | 31.4 | 42.6 | 51.0 | 56.7 | 55.3 | 47.7 | 38.6 | 24.8 | 13.3 | 34.0 |
| Highest Mean Temperature (F) | 18.1 | 20.0 | 28.8 | 37.9 | 47.0 | 54.0 | 60.5 | 58.7 | 53.0 | 46.2 | 31.9 | 23.1 | 38.1 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1981 | 1969 | 1977 | 1966 | 1969 | 1963 | 1963 | 1963 | 1980 | 1963 |
| Lowest Mean Temperature (F) | -1.1 | 4.4 | 15.7 | 25.4 | 37.8 | 46.5 | 53.4 | 50.5 | 43.6 | 30.8 | 15.2 | 7.0 | 31.3 |
| Year Lowest Occurred | 1984 | 1974 | 1964 | 1970 | 1975 | 1975 | 1975 | 1974 | 1985 | 1969 | 1979 | 1988 | 1984 |
| Mean Min. Temperature (F) | -5.7 | -2.3 | 7.2 | 17.7 | 28.0 | 33.6 | 39.1 | 38.1 | 30.9 | 22.4 | 10.2 | -1.8 | 18.1 |
| Highest Mean Min. Temperature (F) | 4.9 | 7.7 | 16.4 | 24.0 | 31.5 | 35.5 | 43.0 | 43.0 | 35.0 | 28.5 | 16.4 | 6.6 | 21.7 |
| Year Highest Occurred | 1969 | 1962 | 1972 | 1990 | 1969 | 1981 | 1966 | 1963 | 1963 | 1972 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | -20.9 | -15.9 | -2.4 | 11.7 | 24.5 | 30.6 | 34.6 | 31.9 | 26.5 | 16.7 | -0.8 | -10.3 | 14.7 |
| Year Lowest Occurred | 1984 | 1974 | 1987 | 1984 | 1975 | 1979 | 1987 | 1974 | 1987 | 1975 | 1979 | 1979 | 1979 |
| Mean Precipitation (in.) | 2.50 | 2.06 | 2.34 | 1.72 | 1.46 | 1.20 | 1.96 | 1.93 | 2.03 | 1.64 | 2.02 | 2.63 | 23.49 |
| Highest Precipitation (in.) | 7.12 | 5.69 | 4.73 | 3.39 | 2.82 | 3.78 | 3.66 | 3.35 | 5.15 | 4.89 | 4.19 | 6.96 | 30.77 |
| Year Highest Occurred | 1980 | 1986 | 1965 | 1968 | 1981 | 1969 | 1968 | 1982 | 1961 | 1969 | 1985 | 1964 | 1965 |
| Lowest Precipitation (in.) | 0.46 | 0.35 | 0.74 | 0.54 | 0.14 | 0.00 | 0.57 | 0.66 | 0.14 | 0.16 | 0.61 | 0.01 | 15.24 |
| Year Lowest Occurred | 1981 | 1977 | 1969 | 1981 | 1974 | 1980 | 1972 | 1975 | 1979 | 1973 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1702. | 1428. | 1336. | 1008. | 694. | 420. | 257. | 301. | 519. | 818. | 1206. | 1603. | 11292. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |