| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.1 | 43.6 | 49.7 | 60.4 | 69.5 | 80.3 | 88.2 | 85.7 | 76.0 | 64.9 | 49.9 | 40.4 | 62.2 |
| Highest Mean Max. Temperature (F) | 47.7 | 54.8 | 59.4 | 66.7 | 75.6 | 85.7 | 93.1 | 91.8 | 82.0 | 74.1 | 56.6 | 51.1 | 65.6 |
| Year Highest Occurred | 1989 | 1976 | 1986 | 1987 | 1970 | 1963 | 1980 | 1983 | 1979 | 1963 | 1963 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 23.4 | 30.1 | 39.7 | 49.8 | 62.7 | 73.5 | 82.5 | 81.9 | 64.3 | 49.9 | 35.4 | 22.1 | 59.5 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1983 | 1983 | 1990 | 1966 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Temperature (F) | 24.3 | 29.2 | 35.5 | 45.5 | 55.1 | 65.3 | 72.4 | 69.9 | 59.9 | 48.6 | 35.4 | 26.5 | 47.3 |
| Highest Mean Temperature (F) | 31.4 | 37.8 | 43.4 | 51.7 | 60.4 | 70.6 | 76.5 | 75.3 | 65.3 | 56.7 | 41.6 | 35.4 | 50.3 |
| Year Highest Occurred | 1965 | 1976 | 1986 | 1969 | 1969 | 1963 | 1964 | 1983 | 1963 | 1963 | 1981 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 10.0 | 18.2 | 25.3 | 39.0 | 49.4 | 60.0 | 68.2 | 66.0 | 52.3 | 40.7 | 23.6 | 11.1 | 43.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1984 | 1979 | 1982 | 1972 | 1987 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 10.5 | 14.8 | 21.2 | 30.5 | 40.6 | 50.2 | 56.6 | 54.0 | 43.8 | 32.2 | 20.8 | 12.6 | 32.3 |
| Highest Mean Min. Temperature (F) | 20.8 | 22.1 | 27.3 | 36.7 | 46.4 | 55.4 | 61.9 | 60.9 | 51.0 | 39.2 | 26.9 | 19.7 | 35.7 |
| Year Highest Occurred | 1983 | 1983 | 1986 | 1969 | 1969 | 1963 | 1966 | 1969 | 1969 | 1963 | 1981 | 1980 | 1969 |
| Lowest Mean Min. Temperature (F) | -3.5 | 3.3 | 10.9 | 25.9 | 33.4 | 43.4 | 52.4 | 48.4 | 38.4 | 22.4 | 11.7 | 0.0 | 28.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1988 | 1979 | 1979 | 1987 | 1978 | 1987 | 1976 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.27 | 0.30 | 0.95 | 1.49 | 3.12 | 3.07 | 2.48 | 1.83 | 1.12 | 0.79 | 0.47 | 0.28 | 16.17 |
| Highest Precipitation (in.) | 1.12 | 1.35 | 2.33 | 4.28 | 7.88 | 10.07 | 4.64 | 7.15 | 3.36 | 4.08 | 2.20 | 1.14 | 24.57 |
| Year Highest Occurred | 1978 | 1987 | 1979 | 1977 | 1961 | 1965 | 1970 | 1968 | 1973 | 1969 | 1979 | 1973 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.07 | 0.28 | 0.11 | 0.64 | 0.63 | 0.12 | 0.00 | 0.04 | 0.01 | 0.00 | 9.09 |
| Year Lowest Occurred | 1986 | 1985 | 1976 | 1962 | 1966 | 1989 | 1989 | 1964 | 1977 | 1988 | 1964 | 1990 | 1976 |
| Heating Degree Days (F) | 1262. | 1002. | 915. | 585. | 321. | 78. | 7. | 21. | 185. | 508. | 888. | 1194. | 6966. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 87. | 236. | 173. | 32. | 0. | 0. | 0. | 542. |