| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.8 | 45.0 | 50.3 | 58.0 | 67.1 | 76.2 | 84.6 | 83.4 | 75.5 | 63.8 | 47.1 | 39.0 | 60.7 |
| Highest Mean Max. Temperature (F) | 46.7 | 52.8 | 57.2 | 68.8 | 73.9 | 83.0 | 89.6 | 89.3 | 83.4 | 73.8 | 54.7 | 44.8 | 63.7 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1973 | 1987 | 1985 | 1986 | 1974 | 1988 | 1976 | 1976 | 1987 |
| Lowest Mean Max. Temperature (F) | 32.1 | 36.5 | 45.0 | 46.5 | 57.8 | 69.9 | 78.1 | 76.5 | 66.3 | 54.6 | 39.6 | 33.1 | 58.5 |
| Year Lowest Occurred | 1977 | 1989 | 1971 | 1967 | 1977 | 1964 | 1963 | 1976 | 1986 | 1984 | 1985 | 1984 | 1982 |
| Mean Temperature (F) | 29.6 | 34.9 | 39.0 | 44.5 | 52.7 | 60.9 | 67.7 | 66.6 | 59.1 | 49.1 | 37.3 | 30.4 | 47.7 |
| Highest Mean Temperature (F) | 38.5 | 42.0 | 45.0 | 51.8 | 57.2 | 66.3 | 73.3 | 72.6 | 64.9 | 55.7 | 41.4 | 36.1 | 50.2 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1969 | 1987 | 1985 | 1986 | 1975 | 1988 | 1976 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 21.8 | 25.8 | 34.4 | 36.3 | 46.1 | 55.9 | 61.7 | 62.0 | 53.2 | 43.9 | 29.7 | 23.6 | 45.2 |
| Year Lowest Occurred | 1977 | 1989 | 1964 | 1967 | 1977 | 1980 | 1963 | 1968 | 1986 | 1984 | 1985 | 1990 | 1964 |
| Mean Min. Temperature (F) | 20.3 | 24.8 | 27.7 | 31.0 | 38.2 | 45.6 | 50.8 | 49.7 | 42.7 | 34.4 | 27.4 | 21.6 | 34.5 |
| Highest Mean Min. Temperature (F) | 30.2 | 31.4 | 32.8 | 37.4 | 42.6 | 51.4 | 57.0 | 55.8 | 48.1 | 40.8 | 32.6 | 29.7 | 37.6 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1990 | 1969 | 1986 | 1985 | 1986 | 1975 | 1979 | 1970 | 1981 | 1986 |
| Lowest Mean Min. Temperature (F) | 11.3 | 14.5 | 22.6 | 25.7 | 33.9 | 41.7 | 45.3 | 45.2 | 36.9 | 30.9 | 19.7 | 12.8 | 31.7 |
| Year Lowest Occurred | 1962 | 1964 | 1964 | 1970 | 1964 | 1980 | 1963 | 1964 | 1971 | 1971 | 1985 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.81 | 1.28 | 1.35 | 0.75 | 0.85 | 0.69 | 0.34 | 0.62 | 0.55 | 1.06 | 1.97 | 2.23 | 13.50 |
| Highest Precipitation (in.) | 4.85 | 4.66 | 3.02 | 1.78 | 3.46 | 1.68 | 2.41 | 2.73 | 2.45 | 4.55 | 4.25 | 8.93 | 20.72 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1963 | 1971 | 1964 | 1987 | 1976 | 1986 | 1962 | 1981 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.14 | 0.08 | 0.08 | 0.09 | 0.13 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.22 | 7.93 |
| Year Lowest Occurred | 1985 | 1965 | 1965 | 1977 | 1974 | 1973 | 1989 | 1986 | 1987 | 1988 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1097. | 843. | 806. | 615. | 381. | 165. | 50. | 69. | 211. | 493. | 831. | 1073. | 6634. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 42. | 134. | 119. | 34. | 0. | 0. | 0. | 329. |