| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.0 | 51.6 | 61.2 | 70.8 | 80.2 | 90.4 | 95.5 | 92.5 | 84.4 | 71.6 | 56.5 | 44.3 | 70.1 |
| Highest Mean Max. Temperature (F) | 53.1 | 58.2 | 70.5 | 77.8 | 88.0 | 95.2 | 98.1 | 95.6 | 90.2 | 77.4 | 62.5 | 54.2 | 73.4 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1984 | 1974 | 1978 | 1969 | 1979 | 1963 | 1966 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 31.1 | 42.2 | 55.3 | 62.2 | 75.0 | 84.2 | 92.1 | 85.1 | 79.5 | 64.6 | 50.9 | 33.8 | 67.4 |
| Year Lowest Occurred | 1977 | 1974 | 1973 | 1983 | 1965 | 1965 | 1968 | 1968 | 1986 | 1969 | 1979 | 1961 | 1968 |
| Mean Temperature (F) | 28.7 | 37.0 | 45.0 | 53.2 | 62.1 | 70.8 | 77.6 | 75.3 | 66.3 | 53.5 | 41.0 | 30.5 | 53.4 |
| Highest Mean Temperature (F) | 37.3 | 42.2 | 50.1 | 58.8 | 67.0 | 74.4 | 80.2 | 78.4 | 70.6 | 58.9 | 45.7 | 37.0 | 55.7 |
| Year Highest Occurred | 1980 | 1986 | 1986 | 1981 | 1984 | 1988 | 1964 | 1969 | 1990 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 18.7 | 28.8 | 39.9 | 47.6 | 58.6 | 66.6 | 74.8 | 70.9 | 62.7 | 50.1 | 36.0 | 20.1 | 51.2 |
| Year Lowest Occurred | 1973 | 1974 | 1964 | 1983 | 1975 | 1975 | 1987 | 1968 | 1973 | 1976 | 1979 | 1990 | 1975 |
| Mean Min. Temperature (F) | 15.4 | 22.3 | 28.8 | 35.6 | 43.9 | 51.1 | 59.7 | 58.1 | 48.2 | 35.3 | 25.4 | 16.8 | 36.7 |
| Highest Mean Min. Temperature (F) | 28.3 | 27.9 | 33.4 | 40.0 | 46.7 | 56.8 | 64.1 | 62.5 | 54.5 | 45.5 | 31.2 | 25.1 | 39.1 |
| Year Highest Occurred | 1980 | 1983 | 1985 | 1981 | 1987 | 1988 | 1964 | 1963 | 1990 | 1972 | 1965 | 1965 | 1983 |
| Lowest Mean Min. Temperature (F) | 5.1 | 14.5 | 23.8 | 31.0 | 39.9 | 46.2 | 53.8 | 53.1 | 43.1 | 30.3 | 18.5 | 5.9 | 34.1 |
| Year Lowest Occurred | 1973 | 1964 | 1962 | 1974 | 1975 | 1975 | 1979 | 1975 | 1973 | 1975 | 1976 | 1976 | 1979 |
| Mean Precipitation (in.) | 0.71 | 0.67 | 0.67 | 0.48 | 0.41 | 0.23 | 0.92 | 0.83 | 0.73 | 1.06 | 0.77 | 0.75 | 8.23 |
| Highest Precipitation (in.) | 2.57 | 2.49 | 2.17 | 1.30 | 1.13 | 0.92 | 3.96 | 3.82 | 3.22 | 6.35 | 2.77 | 2.16 | 13.61 |
| Year Highest Occurred | 1978 | 1980 | 1973 | 1988 | 1965 | 1983 | 1966 | 1963 | 1970 | 1972 | 1987 | 1978 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.39 |
| Year Lowest Occurred | 1976 | 1984 | 1988 | 1989 | 1984 | 1989 | 1978 | 1985 | 1979 | 1976 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 1125. | 784. | 620. | 358. | 119. | 10. | 0. | 0. | 47. | 357. | 720. | 1070. | 5210. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 29. | 184. | 391. | 319. | 86. | 0. | 0. | 0. | 1009. |