| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.0 | 51.9 | 58.7 | 67.5 | 76.0 | 85.1 | 88.6 | 85.9 | 79.6 | 71.1 | 57.4 | 47.0 | 67.9 |
| Highest Mean Max. Temperature (F) | 56.8 | 61.0 | 68.6 | 74.7 | 82.0 | 91.2 | 95.7 | 92.8 | 86.6 | 76.4 | 65.0 | 59.9 | 70.3 |
| Year Highest Occurred | 1986 | 1976 | 1989 | 1981 | 1974 | 1990 | 1980 | 1962 | 1983 | 1963 | 1989 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 35.1 | 45.4 | 49.2 | 54.9 | 67.9 | 79.3 | 83.1 | 82.0 | 75.6 | 61.1 | 43.7 | 38.4 | 64.9 |
| Year Lowest Occurred | 1961 | 1961 | 1969 | 1973 | 1980 | 1986 | 1990 | 1990 | 1975 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 28.6 | 34.0 | 40.9 | 49.0 | 58.0 | 66.9 | 71.4 | 69.2 | 62.3 | 51.9 | 39.8 | 30.1 | 50.2 |
| Highest Mean Temperature (F) | 37.6 | 41.1 | 47.6 | 53.8 | 62.3 | 71.5 | 75.6 | 72.3 | 66.3 | 56.5 | 44.2 | 40.1 | 51.9 |
| Year Highest Occurred | 1969 | 1976 | 1989 | 1981 | 1984 | 1990 | 1980 | 1969 | 1983 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 18.6 | 26.7 | 33.5 | 40.1 | 53.7 | 63.8 | 68.3 | 66.1 | 59.6 | 47.2 | 30.1 | 21.6 | 48.1 |
| Year Lowest Occurred | 1961 | 1964 | 1969 | 1973 | 1980 | 1983 | 1990 | 1967 | 1975 | 1984 | 1972 | 1976 | 1979 |
| Mean Min. Temperature (F) | 11.2 | 16.2 | 23.0 | 30.5 | 39.8 | 48.6 | 54.1 | 52.5 | 45.0 | 32.7 | 22.2 | 13.1 | 32.4 |
| Highest Mean Min. Temperature (F) | 20.7 | 21.1 | 29.0 | 35.4 | 45.2 | 52.1 | 57.7 | 55.6 | 48.1 | 38.8 | 27.1 | 20.3 | 34.3 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1990 | 1989 | 1981 | 1966 | 1969 | 1972 | 1974 | 1978 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 2.0 | 7.2 | 17.1 | 22.2 | 36.8 | 45.3 | 51.8 | 49.3 | 40.8 | 29.2 | 13.7 | 4.0 | 31.1 |
| Year Lowest Occurred | 1961 | 1964 | 1964 | 1982 | 1983 | 1983 | 1985 | 1967 | 1968 | 1980 | 1976 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.31 | 0.39 | 0.61 | 0.82 | 1.84 | 1.82 | 2.69 | 3.43 | 1.73 | 0.96 | 0.56 | 0.38 | 15.54 |
| Highest Precipitation (in.) | 1.35 | 1.35 | 3.46 | 3.00 | 7.14 | 6.72 | 6.30 | 8.30 | 5.90 | 3.41 | 2.29 | 1.20 | 23.19 |
| Year Highest Occurred | 1990 | 1987 | 1973 | 1980 | 1979 | 1986 | 1969 | 1981 | 1990 | 1984 | 1978 | 1967 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.05 | 0.12 | 0.81 | 0.05 | 0.00 | 0.00 | 0.00 | 8.06 |
| Year Lowest Occurred | 1977 | 1980 | 1966 | 1974 | 1962 | 1990 | 1987 | 1973 | 1977 | 1987 | 1989 | 1976 | 1962 |
| Heating Degree Days (F) | 1128. | 868. | 747. | 480. | 228. | 39. | 5. | 11. | 100. | 406. | 756. | 1082. | 5850. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 96. | 203. | 141. | 19. | 0. | 0. | 0. | 470. |