| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.3 | 44.4 | 52.6 | 62.1 | 71.9 | 82.5 | 88.2 | 85.6 | 77.2 | 65.7 | 50.3 | 39.5 | 63.1 |
| Highest Mean Max. Temperature (F) | 47.3 | 50.9 | 61.9 | 69.2 | 76.9 | 88.1 | 91.4 | 89.3 | 83.9 | 72.9 | 56.1 | 48.8 | 65.5 |
| Year Highest Occurred | 1981 | 1972 | 1972 | 1989 | 1969 | 1977 | 1988 | 1985 | 1979 | 1963 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 28.6 | 36.4 | 45.5 | 54.7 | 67.5 | 75.8 | 84.5 | 78.4 | 70.1 | 54.8 | 42.1 | 30.4 | 60.9 |
| Year Lowest Occurred | 1979 | 1974 | 1964 | 1970 | 1975 | 1969 | 1986 | 1968 | 1961 | 1969 | 1972 | 1978 | 1968 |
| Mean Temperature (F) | 24.8 | 31.6 | 39.5 | 48.0 | 57.2 | 66.6 | 72.5 | 70.0 | 61.5 | 50.4 | 37.7 | 27.6 | 49.0 |
| Highest Mean Temperature (F) | 34.2 | 37.4 | 46.2 | 53.9 | 61.8 | 71.8 | 74.9 | 72.6 | 66.0 | 56.3 | 42.7 | 37.0 | 51.7 |
| Year Highest Occurred | 1981 | 1986 | 1986 | 1981 | 1984 | 1977 | 1988 | 1988 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 15.4 | 22.2 | 32.6 | 40.9 | 53.5 | 60.4 | 68.9 | 63.2 | 56.3 | 42.3 | 32.1 | 19.3 | 45.8 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1970 | 1975 | 1969 | 1968 | 1968 | 1961 | 1969 | 1979 | 1978 | 1968 |
| Mean Min. Temperature (F) | 12.3 | 18.8 | 26.2 | 33.8 | 42.4 | 50.6 | 56.7 | 54.4 | 45.7 | 35.0 | 25.0 | 15.6 | 34.7 |
| Highest Mean Min. Temperature (F) | 21.7 | 24.9 | 32.6 | 39.3 | 46.7 | 55.5 | 59.4 | 58.6 | 49.8 | 39.9 | 29.7 | 25.1 | 37.8 |
| Year Highest Occurred | 1980 | 1986 | 1978 | 1981 | 1984 | 1977 | 1984 | 1982 | 1990 | 1972 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.2 | 8.0 | 19.5 | 27.0 | 39.1 | 45.0 | 52.0 | 48.0 | 38.9 | 29.1 | 20.1 | 8.2 | 30.7 |
| Year Lowest Occurred | 1963 | 1974 | 1962 | 1970 | 1968 | 1969 | 1968 | 1968 | 1968 | 1970 | 1969 | 1978 | 1968 |
| Mean Precipitation (in.) | 0.47 | 0.42 | 0.66 | 0.76 | 0.85 | 0.61 | 1.01 | 1.11 | 1.17 | 1.14 | 0.83 | 0.65 | 9.68 |
| Highest Precipitation (in.) | 1.96 | 0.99 | 1.99 | 2.42 | 2.09 | 2.26 | 2.98 | 3.22 | 3.22 | 2.60 | 2.75 | 1.98 | 14.98 |
| Year Highest Occurred | 1974 | 1968 | 1984 | 1990 | 1986 | 1969 | 1983 | 1964 | 1965 | 1972 | 1986 | 1978 | 1986 |
| Lowest Precipitation (in.) | 0.05 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.22 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 5.58 |
| Year Lowest Occurred | 1962 | 1972 | 1966 | 1963 | 1974 | 1980 | 1961 | 1978 | 1979 | 1964 | 1989 | 1976 | 1989 |
| Heating Degree Days (F) | 1246. | 935. | 791. | 510. | 248. | 68. | 0. | 11. | 143. | 453. | 819. | 1159. | 6383. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 116. | 233. | 166. | 38. | 0. | 0. | 0. | 560. |