| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.2 | 44.3 | 52.6 | 61.7 | 70.6 | 79.3 | 88.4 | 87.0 | 76.7 | 64.2 | 48.5 | 38.5 | 62.4 |
| Highest Mean Max. Temperature (F) | 44.3 | 52.0 | 59.1 | 72.9 | 77.1 | 87.6 | 92.2 | 93.9 | 83.8 | 73.0 | 53.8 | 44.5 | 64.8 |
| Year Highest Occurred | 1967 | 1963 | 1978 | 1987 | 1966 | 1961 | 1985 | 1967 | 1990 | 1988 | 1976 | 1979 | 1988 |
| Lowest Mean Max. Temperature (F) | 27.0 | 32.9 | 47.3 | 51.3 | 63.8 | 73.1 | 83.6 | 79.7 | 67.7 | 57.5 | 38.9 | 25.4 | 58.9 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1964 | 1983 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 27.4 | 33.4 | 38.9 | 45.3 | 53.2 | 60.9 | 67.3 | 65.9 | 56.5 | 46.3 | 36.3 | 28.4 | 46.7 |
| Highest Mean Temperature (F) | 35.7 | 40.2 | 44.4 | 52.1 | 56.5 | 66.2 | 71.3 | 70.5 | 62.1 | 53.0 | 40.4 | 34.6 | 48.3 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1990 | 1987 | 1961 | 1985 | 1961 | 1967 | 1988 | 1966 | 1977 | 1967 |
| Lowest Mean Temperature (F) | 15.2 | 23.1 | 33.6 | 38.5 | 49.2 | 57.3 | 62.9 | 61.4 | 51.4 | 41.7 | 26.3 | 14.3 | 43.0 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1984 | 1986 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 17.5 | 22.4 | 25.1 | 28.9 | 35.7 | 42.4 | 46.2 | 44.7 | 36.3 | 28.3 | 24.0 | 18.2 | 30.8 |
| Highest Mean Min. Temperature (F) | 27.0 | 28.6 | 31.5 | 35.0 | 38.8 | 47.3 | 52.0 | 50.4 | 42.1 | 34.3 | 29.3 | 25.5 | 32.8 |
| Year Highest Occurred | 1967 | 1983 | 1983 | 1990 | 1963 | 1988 | 1975 | 1983 | 1967 | 1975 | 1966 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 3.4 | 13.3 | 17.4 | 24.4 | 32.4 | 39.5 | 41.9 | 39.2 | 31.9 | 23.5 | 13.7 | 3.1 | 27.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1975 | 1978 | 1986 | 1969 | 1970 | 1978 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.01 | 0.85 | 1.22 | 1.21 | 1.36 | 1.19 | 0.47 | 0.60 | 0.64 | 0.87 | 1.16 | 1.10 | 11.68 |
| Highest Precipitation (in.) | 3.01 | 2.17 | 3.10 | 3.94 | 3.61 | 2.68 | 2.15 | 3.28 | 2.10 | 2.57 | 2.37 | 3.46 | 20.34 |
| Year Highest Occurred | 1969 | 1986 | 1989 | 1978 | 1980 | 1967 | 1985 | 1979 | 1982 | 1975 | 1984 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.18 | 0.00 | 0.00 | 0.06 | 0.12 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.10 | 5.88 |
| Year Lowest Occurred | 1985 | 1971 | 1965 | 1961 | 1976 | 1989 | 1988 | 1988 | 1990 | 1988 | 1969 | 1989 | 1966 |
| Heating Degree Days (F) | 1166. | 885. | 809. | 591. | 366. | 154. | 34. | 67. | 269. | 580. | 861. | 1135. | 6917. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 31. | 105. | 95. | 14. | 0. | 0. | 0. | 245. |