| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.9 | 46.2 | 52.6 | 61.6 | 71.1 | 80.7 | 82.3 | 78.8 | 73.7 | 64.9 | 52.9 | 44.4 | 62.7 |
| Highest Mean Max. Temperature (F) | 53.0 | 51.6 | 61.5 | 69.6 | 77.6 | 85.5 | 85.3 | 84.9 | 77.6 | 70.8 | 58.0 | 55.8 | 65.8 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1989 | 1990 | 1978 | 1962 | 1989 | 1979 | 1966 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 38.2 | 36.5 | 45.2 | 52.4 | 66.8 | 76.1 | 78.6 | 75.5 | 68.4 | 54.3 | 44.8 | 37.4 | 60.3 |
| Year Lowest Occurred | 1973 | 1966 | 1973 | 1973 | 1982 | 1967 | 1986 | 1968 | 1975 | 1984 | 1972 | 1967 | 1973 |
| Mean Temperature (F) | 28.4 | 31.3 | 36.7 | 43.5 | 52.0 | 61.1 | 65.8 | 63.2 | 57.5 | 47.8 | 37.3 | 29.6 | 46.2 |
| Highest Mean Temperature (F) | 34.5 | 36.8 | 41.4 | 48.3 | 56.8 | 65.2 | 68.3 | 65.3 | 60.3 | 52.1 | 40.4 | 38.1 | 47.8 |
| Year Highest Occurred | 1986 | 1976 | 1978 | 1989 | 1984 | 1990 | 1972 | 1970 | 1979 | 1979 | 1966 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 23.7 | 22.3 | 31.0 | 37.2 | 47.5 | 56.0 | 63.2 | 61.1 | 54.4 | 41.4 | 32.7 | 24.3 | 44.2 |
| Year Lowest Occurred | 1963 | 1966 | 1969 | 1973 | 1971 | 1965 | 1965 | 1990 | 1985 | 1984 | 1972 | 1967 | 1964 |
| Mean Min. Temperature (F) | 13.8 | 16.4 | 20.7 | 25.3 | 32.7 | 41.5 | 49.3 | 47.6 | 41.3 | 30.8 | 21.8 | 14.7 | 29.7 |
| Highest Mean Min. Temperature (F) | 23.1 | 22.2 | 25.9 | 30.8 | 38.0 | 45.3 | 52.2 | 50.9 | 45.3 | 39.4 | 26.2 | 21.9 | 31.9 |
| Year Highest Occurred | 1980 | 1976 | 1978 | 1976 | 1984 | 1966 | 1967 | 1988 | 1990 | 1972 | 1978 | 1983 | 1979 |
| Lowest Mean Min. Temperature (F) | 4.5 | 5.3 | 15.0 | 16.8 | 25.1 | 34.0 | 45.0 | 44.6 | 37.6 | 25.8 | 18.5 | 9.4 | 26.2 |
| Year Lowest Occurred | 1964 | 1964 | 1964 | 1970 | 1971 | 1965 | 1965 | 1962 | 1961 | 1970 | 1975 | 1963 | 1964 |
| Mean Precipitation (in.) | 0.66 | 0.88 | 0.80 | 0.57 | 0.49 | 0.55 | 2.53 | 2.75 | 1.80 | 1.07 | 0.69 | 0.91 | 13.70 |
| Highest Precipitation (in.) | 2.48 | 4.27 | 2.42 | 1.52 | 2.97 | 1.49 | 4.92 | 4.90 | 5.28 | 4.27 | 1.68 | 2.44 | 21.06 |
| Year Highest Occurred | 1983 | 1978 | 1981 | 1973 | 1979 | 1979 | 1967 | 1968 | 1972 | 1972 | 1979 | 1975 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.29 | 0.00 | 0.00 | 0.02 | 0.00 | 7.72 |
| Year Lowest Occurred | 1968 | 1961 | 1972 | 1989 | 1974 | 1982 | 1961 | 1962 | 1968 | 1982 | 1989 | 1981 | 1989 |
| Heating Degree Days (F) | 1135. | 944. | 877. | 645. | 403. | 134. | 36. | 72. | 225. | 533. | 831. | 1097. | 6932. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 17. | 61. | 17. | 0. | 0. | 0. | 0. | 95. |