| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.4 | 43.3 | 49.1 | 57.8 | 67.3 | 77.1 | 82.7 | 79.9 | 72.7 | 62.7 | 49.1 | 40.4 | 60.1 |
| Highest Mean Max. Temperature (F) | 46.8 | 49.4 | 57.9 | 65.5 | 73.8 | 82.9 | 85.8 | 83.9 | 78.4 | 70.6 | 55.4 | 52.7 | 62.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1980 | 1985 | 1979 | 1965 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 29.5 | 37.5 | 42.2 | 49.4 | 61.0 | 70.1 | 78.7 | 73.7 | 67.3 | 54.3 | 41.1 | 32.4 | 58.4 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1965 | 1965 | 1965 | 1968 | 1961 | 1969 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 23.7 | 28.2 | 34.1 | 41.6 | 50.3 | 58.7 | 65.0 | 62.7 | 55.0 | 45.1 | 33.4 | 25.0 | 43.6 |
| Highest Mean Temperature (F) | 31.6 | 33.2 | 41.5 | 48.4 | 54.8 | 63.3 | 67.3 | 66.1 | 59.8 | 50.4 | 37.8 | 33.7 | 45.5 |
| Year Highest Occurred | 1986 | 1963 | 1989 | 1989 | 1984 | 1977 | 1988 | 1969 | 1990 | 1988 | 1977 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 15.4 | 21.8 | 26.8 | 34.9 | 46.0 | 53.4 | 62.2 | 58.3 | 50.6 | 39.0 | 26.1 | 17.9 | 41.5 |
| Year Lowest Occurred | 1974 | 1964 | 1964 | 1975 | 1965 | 1965 | 1962 | 1968 | 1965 | 1969 | 1979 | 1967 | 1964 |
| Mean Min. Temperature (F) | 7.9 | 13.0 | 19.0 | 25.2 | 33.2 | 40.2 | 47.3 | 45.5 | 37.3 | 27.3 | 17.6 | 9.6 | 26.9 |
| Highest Mean Min. Temperature (F) | 16.5 | 21.0 | 26.5 | 32.4 | 37.3 | 45.6 | 50.6 | 49.6 | 44.4 | 31.7 | 22.8 | 17.8 | 29.6 |
| Year Highest Occurred | 1969 | 1968 | 1978 | 1990 | 1976 | 1988 | 1990 | 1969 | 1990 | 1988 | 1977 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | -0.6 | 3.3 | 11.3 | 20.4 | 30.4 | 36.7 | 43.5 | 40.9 | 32.1 | 23.1 | 10.0 | 3.4 | 24.2 |
| Year Lowest Occurred | 1974 | 1964 | 1964 | 1975 | 1972 | 1965 | 1962 | 1974 | 1970 | 1970 | 1979 | 1967 | 1964 |
| Mean Precipitation (in.) | 0.36 | 0.26 | 0.51 | 0.44 | 0.73 | 0.51 | 1.14 | 1.52 | 0.97 | 0.64 | 0.39 | 0.32 | 7.79 |
| Highest Precipitation (in.) | 1.63 | 0.69 | 1.85 | 1.76 | 2.16 | 1.81 | 2.46 | 4.09 | 2.75 | 1.81 | 1.71 | 1.41 | 11.52 |
| Year Highest Occurred | 1980 | 1980 | 1985 | 1985 | 1987 | 1988 | 1987 | 1961 | 1967 | 1972 | 1978 | 1966 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 4.11 |
| Year Lowest Occurred | 1990 | 1972 | 1977 | 1982 | 1974 | 1979 | 1989 | 1985 | 1971 | 1989 | 1976 | 1989 | 1976 |
| Heating Degree Days (F) | 1280. | 1030. | 958. | 702. | 456. | 205. | 39. | 95. | 304. | 617. | 948. | 1240. | 7874. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 16. | 39. | 24. | 0. | 0. | 0. | 0. | 79. |