| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.6 | 43.6 | 51.3 | 62.7 | 71.4 | 81.7 | 88.6 | 86.1 | 76.9 | 65.6 | 50.9 | 39.8 | 63.0 |
| Highest Mean Max. Temperature (F) | 47.0 | 53.6 | 63.5 | 69.3 | 77.7 | 87.9 | 94.5 | 93.4 | 81.8 | 75.7 | 58.9 | 49.3 | 66.0 |
| Year Highest Occurred | 1964 | 1970 | 1967 | 1981 | 1966 | 1988 | 1964 | 1970 | 1990 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 21.7 | 28.6 | 40.8 | 52.0 | 65.1 | 73.5 | 84.7 | 80.4 | 64.3 | 54.1 | 35.5 | 19.0 | 59.4 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1981 | 1982 | 1972 | 1977 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Temperature (F) | 23.7 | 29.1 | 36.9 | 47.8 | 57.5 | 67.7 | 74.3 | 71.5 | 61.6 | 49.7 | 36.3 | 25.8 | 48.5 |
| Highest Mean Temperature (F) | 31.5 | 36.3 | 44.6 | 54.7 | 62.5 | 73.5 | 78.2 | 77.4 | 66.2 | 57.3 | 42.0 | 34.5 | 50.5 |
| Year Highest Occurred | 1990 | 1976 | 1967 | 1981 | 1977 | 1988 | 1974 | 1983 | 1969 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 10.5 | 18.3 | 25.9 | 42.1 | 52.6 | 61.8 | 70.4 | 66.7 | 51.9 | 42.2 | 23.9 | 10.1 | 45.7 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1961 | 1983 | 1982 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 9.7 | 14.6 | 22.5 | 32.9 | 43.5 | 53.6 | 59.9 | 56.8 | 46.3 | 33.6 | 21.7 | 11.8 | 33.9 |
| Highest Mean Min. Temperature (F) | 20.3 | 23.2 | 29.5 | 40.0 | 49.6 | 59.6 | 64.2 | 63.6 | 50.9 | 38.9 | 27.2 | 19.7 | 36.7 |
| Year Highest Occurred | 1983 | 1983 | 1986 | 1981 | 1977 | 1977 | 1966 | 1983 | 1969 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -1.5 | 4.5 | 10.9 | 27.9 | 39.0 | 48.3 | 55.9 | 52.3 | 39.4 | 29.8 | 12.3 | 1.2 | 31.6 |
| Year Lowest Occurred | 1963 | 1966 | 1965 | 1968 | 1971 | 1985 | 1973 | 1964 | 1965 | 1976 | 1985 | 1983 | 1964 |
| Mean Precipitation (in.) | 0.37 | 0.38 | 1.22 | 1.88 | 3.42 | 2.95 | 2.18 | 1.61 | 1.13 | 0.79 | 0.57 | 0.50 | 17.00 |
| Highest Precipitation (in.) | 0.98 | 1.20 | 3.73 | 5.49 | 6.69 | 6.98 | 5.05 | 4.40 | 3.78 | 2.46 | 2.18 | 1.74 | 22.30 |
| Year Highest Occurred | 1980 | 1978 | 1980 | 1984 | 1975 | 1962 | 1961 | 1968 | 1963 | 1969 | 1979 | 1987 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.11 | 0.00 | 0.11 | 0.30 | 0.56 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 11.33 |
| Year Lowest Occurred | 1986 | 1985 | 1965 | 1989 | 1966 | 1988 | 1986 | 1967 | 1968 | 1988 | 1989 | 1980 | 1964 |
| Heating Degree Days (F) | 1280. | 1005. | 871. | 516. | 248. | 52. | 0. | 14. | 155. | 474. | 861. | 1215. | 6691. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 15. | 133. | 288. | 215. | 53. | 0. | 0. | 0. | 704. |