| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.3 | 46.7 | 52.3 | 59.7 | 68.8 | 76.9 | 84.8 | 84.0 | 77.4 | 66.7 | 49.5 | 40.6 | 62.3 |
| Highest Mean Max. Temperature (F) | 49.8 | 54.8 | 60.1 | 68.3 | 75.5 | 83.5 | 89.6 | 91.8 | 85.6 | 75.4 | 58.8 | 48.7 | 64.1 |
| Year Highest Occurred | 1961 | 1963 | 1978 | 1987 | 1973 | 1961 | 1968 | 1967 | 1974 | 1988 | 1976 | 1976 | 1974 |
| Lowest Mean Max. Temperature (F) | 27.5 | 34.3 | 46.1 | 47.7 | 59.2 | 70.5 | 77.5 | 76.5 | 66.2 | 56.8 | 39.4 | 33.7 | 59.6 |
| Year Lowest Occurred | 1977 | 1989 | 1977 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1985 | 1984 | 1983 |
| Mean Temperature (F) | 29.5 | 35.0 | 39.0 | 44.3 | 52.2 | 59.7 | 65.1 | 63.8 | 57.2 | 48.5 | 37.3 | 30.3 | 46.8 |
| Highest Mean Temperature (F) | 39.2 | 42.6 | 45.1 | 50.8 | 57.3 | 64.5 | 68.8 | 68.8 | 61.5 | 54.0 | 41.4 | 36.7 | 49.1 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1973 | 1986 | 1968 | 1967 | 1967 | 1988 | 1962 | 1981 | 1981 |
| Lowest Mean Temperature (F) | 15.0 | 22.5 | 34.3 | 36.4 | 45.5 | 55.2 | 60.3 | 59.5 | 51.2 | 43.9 | 28.3 | 23.3 | 44.5 |
| Year Lowest Occurred | 1977 | 1989 | 1977 | 1967 | 1977 | 1980 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1989 |
| Mean Min. Temperature (F) | 18.7 | 23.1 | 25.7 | 28.8 | 35.6 | 42.4 | 45.3 | 43.5 | 36.9 | 30.2 | 25.2 | 19.9 | 31.3 |
| Highest Mean Min. Temperature (F) | 29.7 | 30.4 | 30.4 | 35.0 | 39.5 | 47.5 | 48.7 | 46.8 | 40.5 | 37.5 | 31.4 | 29.9 | 34.4 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1969 | 1986 | 1985 | 1977 | 1963 | 1979 | 1981 | 1981 | 1981 |
| Lowest Mean Min. Temperature (F) | 2.5 | 10.6 | 21.4 | 24.6 | 31.7 | 38.9 | 41.2 | 40.3 | 31.9 | 26.6 | 17.2 | 11.7 | 28.9 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1970 | 1977 | 1962 | 1966 | 1964 | 1964 | 1971 | 1985 | 1967 | 1964 |
| Mean Precipitation (in.) | 1.17 | 1.01 | 1.11 | 0.81 | 0.89 | 0.87 | 0.28 | 0.58 | 0.50 | 1.00 | 1.41 | 1.42 | 11.05 |
| Highest Precipitation (in.) | 2.82 | 2.51 | 2.32 | 3.26 | 2.48 | 3.42 | 2.60 | 4.30 | 1.83 | 5.04 | 3.74 | 5.87 | 17.40 |
| Year Highest Occurred | 1969 | 1986 | 1989 | 1978 | 1977 | 1964 | 1987 | 1976 | 1977 | 1962 | 1966 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.04 | 0.10 | 0.07 | 0.02 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.12 | 0.12 | 6.61 |
| Year Lowest Occurred | 1984 | 1965 | 1965 | 1977 | 1975 | 1973 | 1989 | 1987 | 1974 | 1978 | 1967 | 1976 | 1974 |
| Heating Degree Days (F) | 1101. | 840. | 806. | 621. | 397. | 181. | 73. | 99. | 247. | 512. | 831. | 1076. | 6784. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 22. | 76. | 62. | 13. | 0. | 0. | 0. | 173. |