| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.5 | 41.1 | 49.1 | 59.5 | 69.5 | 78.1 | 88.2 | 87.0 | 76.1 | 62.8 | 43.1 | 32.8 | 60.1 |
| Highest Mean Max. Temperature (F) | 38.4 | 50.4 | 56.9 | 71.8 | 75.7 | 88.2 | 94.7 | 94.5 | 85.0 | 73.9 | 48.3 | 38.7 | 63.8 |
| Year Highest Occurred | 1990 | 1963 | 1978 | 1987 | 1966 | 1961 | 1961 | 1967 | 1990 | 1988 | 1965 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 28.2 | 34.9 | 42.4 | 50.2 | 62.8 | 71.5 | 80.4 | 79.8 | 65.3 | 55.4 | 34.9 | 27.0 | 56.1 |
| Year Lowest Occurred | 1979 | 1982 | 1964 | 1975 | 1977 | 1984 | 1982 | 1976 | 1986 | 1984 | 1985 | 1972 | 1982 |
| Mean Temperature (F) | 24.2 | 29.7 | 35.9 | 43.9 | 51.9 | 59.2 | 65.6 | 64.6 | 55.6 | 46.0 | 33.4 | 23.8 | 44.5 |
| Highest Mean Temperature (F) | 30.2 | 38.4 | 41.8 | 49.2 | 55.6 | 65.2 | 70.3 | 69.7 | 61.8 | 51.6 | 37.4 | 29.3 | 46.0 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1987 | 1969 | 1961 | 1975 | 1961 | 1963 | 1963 | 1965 | 1962 | 1963 |
| Lowest Mean Temperature (F) | 16.8 | 22.0 | 30.5 | 38.1 | 48.7 | 55.6 | 61.2 | 59.0 | 50.7 | 41.4 | 26.4 | 14.5 | 41.5 |
| Year Lowest Occurred | 1979 | 1985 | 1976 | 1975 | 1982 | 1984 | 1986 | 1980 | 1965 | 1984 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 14.8 | 18.2 | 22.7 | 28.2 | 34.2 | 40.3 | 43.0 | 42.1 | 35.2 | 29.2 | 23.7 | 14.8 | 28.9 |
| Highest Mean Min. Temperature (F) | 23.2 | 26.4 | 28.7 | 32.1 | 37.2 | 44.9 | 48.5 | 49.4 | 42.7 | 36.5 | 28.4 | 22.0 | 31.2 |
| Year Highest Occurred | 1978 | 1963 | 1983 | 1965 | 1980 | 1977 | 1975 | 1983 | 1963 | 1963 | 1983 | 1977 | 1963 |
| Lowest Mean Min. Temperature (F) | 4.6 | 7.5 | 15.7 | 24.2 | 30.8 | 37.8 | 38.6 | 33.5 | 27.3 | 19.2 | 17.8 | 1.5 | 25.2 |
| Year Lowest Occurred | 1985 | 1989 | 1965 | 1982 | 1982 | 1976 | 1988 | 1987 | 1988 | 1987 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 3.98 | 2.86 | 2.44 | 1.87 | 1.59 | 1.61 | 0.59 | 0.82 | 1.26 | 1.60 | 3.36 | 3.72 | 25.70 |
| Highest Precipitation (in.) | 10.99 | 9.72 | 5.33 | 6.24 | 3.87 | 3.70 | 2.32 | 4.66 | 4.70 | 4.19 | 7.47 | 11.28 | 38.37 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1990 | 1990 | 1982 | 1983 | 1968 | 1985 | 1962 | 1988 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.30 | 0.39 | 0.55 | 0.05 | 0.22 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.35 | 15.88 |
| Year Lowest Occurred | 1985 | 1964 | 1969 | 1977 | 1966 | 1979 | 1963 | 1969 | 1987 | 1987 | 1976 | 1976 | 1966 |
| Heating Degree Days (F) | 1265. | 988. | 902. | 633. | 406. | 190. | 60. | 97. | 295. | 589. | 948. | 1277. | 7650. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 16. | 79. | 85. | 13. | 0. | 0. | 0. | 193. |