| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.2 | 44.5 | 56.2 | 66.0 | 76.2 | 85.9 | 95.4 | 93.0 | 81.5 | 67.2 | 49.1 | 36.8 | 65.6 |
| Highest Mean Max. Temperature (F) | 44.3 | 54.0 | 61.7 | 75.9 | 83.3 | 96.1 | 100.8 | 101.9 | 89.5 | 76.6 | 53.8 | 43.4 | 69.4 |
| Year Highest Occurred | 1966 | 1963 | 1978 | 1987 | 1966 | 1961 | 1968 | 1967 | 1967 | 1988 | 1965 | 1973 | 1966 |
| Lowest Mean Max. Temperature (F) | 24.5 | 26.9 | 50.0 | 56.9 | 68.8 | 79.6 | 89.2 | 84.8 | 72.0 | 61.5 | 37.0 | 21.0 | 61.0 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1984 | 1983 | 1976 | 1985 | 1985 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 27.1 | 34.7 | 43.4 | 51.1 | 60.1 | 68.8 | 76.4 | 73.7 | 62.9 | 50.8 | 38.7 | 28.7 | 51.4 |
| Highest Mean Temperature (F) | 35.1 | 42.0 | 47.7 | 57.4 | 64.6 | 75.8 | 81.4 | 79.7 | 69.4 | 57.0 | 43.6 | 36.4 | 53.9 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1987 | 1969 | 1961 | 1985 | 1971 | 1990 | 1988 | 1966 | 1973 | 1966 |
| Lowest Mean Temperature (F) | 14.5 | 16.1 | 38.4 | 45.4 | 55.8 | 63.5 | 71.8 | 67.8 | 57.0 | 46.6 | 28.1 | 11.9 | 47.1 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1980 | 1983 | 1976 | 1985 | 1970 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 19.1 | 24.8 | 30.6 | 36.2 | 44.0 | 51.6 | 57.4 | 54.4 | 44.2 | 34.3 | 28.3 | 20.5 | 37.1 |
| Highest Mean Min. Temperature (F) | 29.3 | 32.3 | 36.4 | 41.3 | 47.5 | 57.1 | 62.6 | 59.6 | 50.6 | 39.4 | 34.9 | 29.4 | 39.1 |
| Year Highest Occurred | 1981 | 1961 | 1983 | 1990 | 1969 | 1977 | 1985 | 1961 | 1966 | 1963 | 1983 | 1973 | 1973 |
| Lowest Mean Min. Temperature (F) | 4.5 | 5.2 | 24.1 | 30.8 | 41.2 | 46.1 | 54.2 | 50.7 | 39.8 | 30.1 | 19.1 | 2.8 | 33.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1974 | 1980 | 1986 | 1976 | 1971 | 1976 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.33 | 0.87 | 0.82 | 0.63 | 0.73 | 0.72 | 0.20 | 0.44 | 0.53 | 0.61 | 1.30 | 1.50 | 9.68 |
| Highest Precipitation (in.) | 4.39 | 2.02 | 3.29 | 2.69 | 1.90 | 1.99 | 0.95 | 2.58 | 1.91 | 2.13 | 2.72 | 4.34 | 16.59 |
| Year Highest Occurred | 1970 | 1968 | 1983 | 1978 | 1962 | 1970 | 1983 | 1968 | 1980 | 1962 | 1981 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.11 | 0.09 | 0.10 | 0.03 | 0.09 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 5.78 |
| Year Lowest Occurred | 1966 | 1988 | 1990 | 1977 | 1972 | 1973 | 1987 | 1988 | 1987 | 1988 | 1976 | 1986 | 1966 |
| Heating Degree Days (F) | 1175. | 848. | 670. | 417. | 170. | 43. | 0. | 14. | 137. | 440. | 789. | 1125. | 5828. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 18. | 157. | 353. | 283. | 74. | 0. | 0. | 0. | 885. |