| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.7 | 41.8 | 50.9 | 61.0 | 71.0 | 81.8 | 89.3 | 86.8 | 78.7 | 66.1 | 49.7 | 37.8 | 62.6 |
| Highest Mean Max. Temperature (F) | 46.4 | 51.9 | 62.9 | 68.2 | 79.7 | 88.7 | 92.0 | 91.5 | 87.4 | 74.8 | 58.0 | 49.2 | 65.0 |
| Year Highest Occurred | 1961 | 1963 | 1972 | 1987 | 1969 | 1977 | 1976 | 1985 | 1979 | 1965 | 1965 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 28.2 | 35.1 | 40.8 | 52.4 | 65.2 | 75.8 | 84.1 | 79.1 | 69.7 | 55.5 | 41.2 | 30.5 | 59.5 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1975 | 1967 | 1987 | 1968 | 1961 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 22.8 | 28.7 | 36.7 | 44.6 | 53.2 | 62.0 | 69.3 | 67.2 | 59.0 | 48.2 | 35.6 | 25.1 | 46.0 |
| Highest Mean Temperature (F) | 31.1 | 37.9 | 44.0 | 49.7 | 58.5 | 67.0 | 71.5 | 70.4 | 64.2 | 54.4 | 41.3 | 34.7 | 48.8 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1987 | 1969 | 1977 | 1966 | 1970 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 14.7 | 20.1 | 26.9 | 38.1 | 49.2 | 57.8 | 66.4 | 62.8 | 54.0 | 41.4 | 28.4 | 17.3 | 43.5 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1975 | 1983 | 1975 | 1965 | 1968 | 1970 | 1984 | 1979 | 1967 | 1982 |
| Mean Min. Temperature (F) | 9.9 | 15.5 | 22.5 | 28.2 | 35.4 | 42.1 | 49.3 | 47.7 | 39.3 | 30.2 | 21.6 | 12.3 | 29.5 |
| Highest Mean Min. Temperature (F) | 19.6 | 23.8 | 29.8 | 33.2 | 39.5 | 46.8 | 52.1 | 53.6 | 47.2 | 36.6 | 25.3 | 20.2 | 32.7 |
| Year Highest Occurred | 1969 | 1963 | 1978 | 1990 | 1987 | 1988 | 1967 | 1961 | 1990 | 1963 | 1966 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.2 | 4.8 | 13.0 | 22.6 | 31.5 | 38.2 | 44.2 | 41.5 | 32.4 | 25.9 | 14.5 | 4.1 | 26.8 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1970 | 1986 | 1976 | 1983 | 1976 | 1965 | 1982 | 1979 | 1967 | 1964 |
| Mean Precipitation (in.) | 0.83 | 0.81 | 0.97 | 0.68 | 0.81 | 0.57 | 0.68 | 0.81 | 1.06 | 0.93 | 0.86 | 1.03 | 10.04 |
| Highest Precipitation (in.) | 3.03 | 3.21 | 2.46 | 1.88 | 1.95 | 2.55 | 2.04 | 2.55 | 4.52 | 2.89 | 2.21 | 3.03 | 17.37 |
| Year Highest Occurred | 1969 | 1980 | 1978 | 1986 | 1975 | 1984 | 1985 | 1968 | 1982 | 1972 | 1978 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.06 | 0.00 | 0.03 | 0.00 | 0.04 | 0.03 | 0.00 | 0.06 | 0.02 | 0.00 | 3.50 |
| Year Lowest Occurred | 1961 | 1970 | 1971 | 1990 | 1970 | 1979 | 1978 | 1985 | 1974 | 1964 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1308. | 1016. | 877. | 612. | 366. | 128. | 7. | 35. | 203. | 521. | 882. | 1237. | 7192. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 38. | 141. | 103. | 23. | 0. | 0. | 0. | 305. |