| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.6 | 40.3 | 45.9 | 54.6 | 63.8 | 73.5 | 77.2 | 74.5 | 69.0 | 61.0 | 48.3 | 38.5 | 56.9 |
| Highest Mean Max. Temperature (F) | 48.0 | 47.1 | 55.3 | 61.6 | 70.2 | 79.3 | 82.1 | 79.0 | 73.7 | 66.0 | 53.5 | 50.2 | 59.6 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1963 | 1990 | 1980 | 1962 | 1983 | 1963 | 1963 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 29.4 | 35.6 | 38.2 | 46.6 | 59.5 | 68.1 | 73.9 | 70.9 | 64.9 | 50.8 | 38.8 | 30.3 | 55.3 |
| Year Lowest Occurred | 1962 | 1964 | 1969 | 1973 | 1980 | 1965 | 1990 | 1968 | 1965 | 1984 | 1972 | 1976 | 1975 |
| Mean Temperature (F) | 18.0 | 22.9 | 30.1 | 38.4 | 46.4 | 54.7 | 59.7 | 57.9 | 51.4 | 41.9 | 31.4 | 21.2 | 39.5 |
| Highest Mean Temperature (F) | 27.1 | 29.9 | 37.2 | 44.5 | 51.5 | 59.5 | 62.8 | 60.4 | 55.0 | 45.6 | 35.4 | 32.5 | 42.7 |
| Year Highest Occurred | 1969 | 1986 | 1986 | 1963 | 1984 | 1981 | 1966 | 1969 | 1990 | 1972 | 1985 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 12.8 | 12.7 | 20.3 | 31.5 | 43.2 | 51.8 | 56.7 | 54.5 | 48.7 | 37.5 | 25.0 | 9.5 | 35.2 |
| Year Lowest Occurred | 1977 | 1964 | 1964 | 1973 | 1975 | 1965 | 1964 | 1974 | 1971 | 1970 | 1972 | 1976 | 1964 |
| Mean Min. Temperature (F) | -0.5 | 5.5 | 14.3 | 22.2 | 28.9 | 35.8 | 42.2 | 41.2 | 33.8 | 22.8 | 14.4 | 3.7 | 22.0 |
| Highest Mean Min. Temperature (F) | 12.2 | 16.9 | 20.3 | 28.8 | 34.3 | 40.6 | 45.5 | 45.4 | 39.5 | 31.4 | 22.4 | 14.8 | 25.8 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1963 | 1984 | 1981 | 1981 | 1982 | 1982 | 1972 | 1985 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -11.3 | -10.3 | 0.6 | 13.5 | 21.5 | 29.8 | 33.6 | 36.7 | 29.7 | 16.1 | 5.1 | -11.3 | 14.5 |
| Year Lowest Occurred | 1961 | 1964 | 1964 | 1964 | 1964 | 1964 | 1964 | 1962 | 1968 | 1964 | 1976 | 1976 | 1964 |
| Mean Precipitation (in.) | 0.69 | 0.72 | 0.93 | 0.83 | 1.17 | 1.42 | 2.87 | 2.99 | 1.43 | 0.75 | 0.74 | 0.81 | 15.35 |
| Highest Precipitation (in.) | 3.20 | 3.24 | 3.37 | 2.52 | 3.98 | 4.08 | 5.84 | 6.15 | 3.08 | 2.51 | 4.34 | 2.50 | 21.76 |
| Year Highest Occurred | 1974 | 1989 | 1973 | 1986 | 1979 | 1977 | 1977 | 1982 | 1963 | 1989 | 1978 | 1967 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.05 | 0.00 | 0.00 | 0.02 | 0.02 | 0.39 | 0.83 | 0.44 | 0.00 | 0.00 | 0.00 | 8.36 |
| Year Lowest Occurred | 1966 | 1981 | 1966 | 1974 | 1975 | 1980 | 1987 | 1962 | 1974 | 1977 | 1989 | 1977 | 1976 |
| Heating Degree Days (F) | 1457. | 1179. | 1082. | 798. | 577. | 309. | 167. | 220. | 408. | 716. | 1008. | 1358. | 9279. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |