| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.7 | 43.0 | 50.2 | 59.1 | 69.4 | 80.2 | 91.0 | 88.6 | 78.3 | 65.9 | 49.1 | 37.4 | 62.4 |
| Highest Mean Max. Temperature (F) | 49.6 | 51.4 | 58.8 | 70.0 | 77.6 | 86.9 | 95.7 | 96.2 | 87.9 | 75.5 | 56.7 | 48.2 | 67.2 |
| Year Highest Occurred | 1981 | 1977 | 1986 | 1987 | 1966 | 1977 | 1981 | 1967 | 1979 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 26.0 | 35.1 | 43.2 | 47.0 | 60.9 | 70.8 | 86.6 | 82.1 | 70.4 | 55.8 | 41.6 | 29.3 | 58.7 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1971 | 1963 | 1982 | 1976 | 1986 | 1969 | 1985 | 1972 | 1975 |
| Mean Temperature (F) | 25.1 | 31.5 | 37.6 | 44.3 | 53.1 | 62.4 | 70.7 | 68.7 | 58.7 | 47.7 | 35.8 | 25.7 | 46.8 |
| Highest Mean Temperature (F) | 34.6 | 39.8 | 44.9 | 50.0 | 57.8 | 69.3 | 75.9 | 75.0 | 66.1 | 54.6 | 41.6 | 34.7 | 50.7 |
| Year Highest Occurred | 1981 | 1968 | 1978 | 1990 | 1966 | 1977 | 1985 | 1967 | 1979 | 1979 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 11.6 | 22.3 | 30.9 | 36.4 | 48.2 | 56.8 | 66.8 | 63.0 | 52.3 | 41.0 | 30.1 | 14.5 | 44.6 |
| Year Lowest Occurred | 1989 | 1989 | 1969 | 1970 | 1971 | 1963 | 1987 | 1976 | 1965 | 1970 | 1985 | 1990 | 1975 |
| Mean Min. Temperature (F) | 13.4 | 19.9 | 25.0 | 29.5 | 36.8 | 44.6 | 50.3 | 48.6 | 38.9 | 29.6 | 22.5 | 14.0 | 31.1 |
| Highest Mean Min. Temperature (F) | 23.9 | 30.0 | 33.5 | 33.7 | 40.0 | 51.6 | 57.1 | 56.7 | 46.8 | 38.6 | 28.4 | 25.0 | 35.7 |
| Year Highest Occurred | 1980 | 1980 | 1983 | 1990 | 1987 | 1977 | 1985 | 1983 | 1967 | 1979 | 1968 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | -2.8 | 9.4 | 16.2 | 20.4 | 31.9 | 40.0 | 45.5 | 43.4 | 32.1 | 23.0 | 15.1 | -0.4 | 27.2 |
| Year Lowest Occurred | 1989 | 1989 | 1965 | 1970 | 1965 | 1976 | 1963 | 1985 | 1965 | 1970 | 1989 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.98 | 0.80 | 0.96 | 0.82 | 1.00 | 0.91 | 0.33 | 0.65 | 0.62 | 0.65 | 1.11 | 1.10 | 9.93 |
| Highest Precipitation (in.) | 3.11 | 1.89 | 2.39 | 2.17 | 4.09 | 2.61 | 1.04 | 4.61 | 3.22 | 1.92 | 2.76 | 4.21 | 18.34 |
| Year Highest Occurred | 1980 | 1980 | 1989 | 1963 | 1971 | 1963 | 1984 | 1970 | 1978 | 1972 | 1983 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.04 | 0.06 | 0.04 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 4.77 |
| Year Lowest Occurred | 1961 | 1988 | 1988 | 1961 | 1974 | 1974 | 1972 | 1969 | 1974 | 1988 | 1986 | 1976 | 1974 |
| Heating Degree Days (F) | 1237. | 938. | 849. | 621. | 369. | 138. | 18. | 42. | 235. | 536. | 876. | 1218. | 7077. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 60. | 194. | 157. | 46. | 0. | 0. | 0. | 457. |