| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.8 | 41.6 | 45.5 | 53.5 | 62.7 | 73.3 | 78.7 | 75.9 | 69.2 | 60.3 | 46.8 | 39.1 | 57.1 |
| Highest Mean Max. Temperature (F) | 46.1 | 46.8 | 55.0 | 59.5 | 69.6 | 79.8 | 84.5 | 81.7 | 73.6 | 69.3 | 52.9 | 48.6 | 60.4 |
| Year Highest Occurred | 1986 | 1970 | 1967 | 1981 | 1963 | 1990 | 1963 | 1962 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 31.5 | 34.9 | 36.8 | 44.7 | 55.4 | 66.1 | 74.8 | 72.3 | 63.8 | 48.9 | 38.3 | 30.5 | 54.3 |
| Year Lowest Occurred | 1979 | 1964 | 1965 | 1983 | 1983 | 1969 | 1990 | 1981 | 1965 | 1984 | 1979 | 1983 | 1983 |
| Mean Temperature (F) | 22.7 | 25.3 | 30.2 | 38.0 | 46.4 | 55.1 | 61.0 | 58.8 | 51.3 | 42.0 | 30.9 | 23.8 | 40.5 |
| Highest Mean Temperature (F) | 30.3 | 30.9 | 38.5 | 42.9 | 50.9 | 59.2 | 65.2 | 61.8 | 56.0 | 49.5 | 36.3 | 33.8 | 42.6 |
| Year Highest Occurred | 1969 | 1976 | 1967 | 1981 | 1963 | 1990 | 1966 | 1970 | 1990 | 1963 | 1973 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 15.1 | 17.2 | 19.7 | 30.0 | 40.9 | 50.5 | 58.0 | 56.0 | 47.4 | 34.4 | 23.3 | 15.2 | 38.2 |
| Year Lowest Occurred | 1979 | 1964 | 1965 | 1983 | 1983 | 1982 | 1986 | 1978 | 1965 | 1984 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 6.5 | 9.0 | 14.9 | 22.5 | 30.1 | 37.0 | 43.4 | 41.6 | 33.4 | 23.7 | 15.0 | 8.4 | 23.8 |
| Highest Mean Min. Temperature (F) | 15.0 | 15.3 | 23.0 | 27.9 | 34.4 | 41.8 | 47.8 | 45.1 | 39.4 | 29.7 | 21.5 | 18.9 | 25.8 |
| Year Highest Occurred | 1969 | 1976 | 1972 | 1972 | 1985 | 1988 | 1966 | 1982 | 1990 | 1963 | 1973 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -1.8 | -0.6 | 2.5 | 15.3 | 26.4 | 31.8 | 39.9 | 37.5 | 28.8 | 19.5 | 7.7 | -0.2 | 21.7 |
| Year Lowest Occurred | 1962 | 1964 | 1965 | 1983 | 1983 | 1975 | 1962 | 1978 | 1971 | 1969 | 1972 | 1983 | 1964 |
| Mean Precipitation (in.) | 0.35 | 0.56 | 1.17 | 1.55 | 1.91 | 1.64 | 2.64 | 2.51 | 1.36 | 1.23 | 0.75 | 0.64 | 16.31 |
| Highest Precipitation (in.) | 1.31 | 1.28 | 3.46 | 3.76 | 7.06 | 3.89 | 4.47 | 8.71 | 2.85 | 6.35 | 2.03 | 1.65 | 26.69 |
| Year Highest Occurred | 1989 | 1971 | 1990 | 1962 | 1969 | 1969 | 1990 | 1984 | 1970 | 1969 | 1983 | 1982 | 1969 |
| Lowest Precipitation (in.) | 0.02 | 0.03 | 0.23 | 0.00 | 0.12 | 0.00 | 0.74 | 0.10 | 0.26 | 0.00 | 0.01 | 0.01 | 10.68 |
| Year Lowest Occurred | 1969 | 1973 | 1966 | 1963 | 1974 | 1980 | 1978 | 1978 | 1983 | 1983 | 1984 | 1970 | 1978 |
| Heating Degree Days (F) | 1311. | 1112. | 1079. | 810. | 577. | 301. | 135. | 195. | 411. | 713. | 1023. | 1277. | 8944. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 11. | 0. | 0. | 0. | 0. | 0. | 11. |