| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.9 | 46.1 | 56.8 | 66.1 | 75.4 | 84.8 | 93.3 | 91.6 | 80.2 | 66.6 | 50.3 | 38.4 | 65.5 |
| Highest Mean Max. Temperature (F) | 44.9 | 54.6 | 62.7 | 75.7 | 82.1 | 93.3 | 98.0 | 99.9 | 89.4 | 77.0 | 55.8 | 46.6 | 68.3 |
| Year Highest Occurred | 1970 | 1963 | 1978 | 1987 | 1966 | 1961 | 1975 | 1971 | 1990 | 1988 | 1965 | 1973 | 1974 |
| Lowest Mean Max. Temperature (F) | 23.7 | 30.6 | 49.7 | 58.4 | 69.4 | 78.1 | 84.3 | 84.1 | 69.8 | 60.5 | 36.7 | 19.7 | 59.6 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1984 | 1962 | 1968 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 29.1 | 36.5 | 44.4 | 51.9 | 60.4 | 68.9 | 75.6 | 73.8 | 63.1 | 51.7 | 40.2 | 30.5 | 52.2 |
| Highest Mean Temperature (F) | 37.2 | 43.7 | 49.6 | 58.9 | 64.8 | 75.4 | 81.2 | 79.8 | 70.7 | 59.6 | 44.3 | 39.1 | 55.0 |
| Year Highest Occurred | 1970 | 1963 | 1978 | 1987 | 1973 | 1986 | 1975 | 1961 | 1990 | 1988 | 1970 | 1973 | 1973 |
| Lowest Mean Temperature (F) | 15.2 | 21.3 | 38.4 | 46.7 | 56.4 | 63.8 | 67.1 | 68.5 | 55.5 | 47.6 | 29.0 | 12.5 | 47.0 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1983 | 1977 | 1980 | 1962 | 1968 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 21.4 | 26.8 | 32.0 | 37.6 | 45.3 | 52.9 | 57.9 | 55.9 | 46.0 | 36.9 | 30.1 | 22.6 | 38.8 |
| Highest Mean Min. Temperature (F) | 29.5 | 32.9 | 36.4 | 43.0 | 48.5 | 58.2 | 64.3 | 63.5 | 53.3 | 42.8 | 35.5 | 31.5 | 41.9 |
| Year Highest Occurred | 1978 | 1983 | 1978 | 1990 | 1987 | 1986 | 1975 | 1961 | 1963 | 1963 | 1973 | 1973 | 1973 |
| Lowest Mean Min. Temperature (F) | 6.6 | 12.0 | 24.9 | 32.2 | 41.7 | 49.0 | 49.9 | 51.0 | 40.9 | 31.1 | 21.2 | 5.2 | 34.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1968 | 1968 | 1981 | 1962 | 1985 | 1965 | 1966 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.35 | 1.04 | 1.07 | 0.97 | 0.79 | 0.80 | 0.24 | 0.47 | 0.67 | 0.70 | 1.23 | 1.36 | 10.69 |
| Highest Precipitation (in.) | 3.77 | 3.39 | 3.30 | 3.26 | 2.57 | 2.61 | 1.11 | 2.30 | 2.53 | 1.58 | 2.64 | 4.00 | 17.36 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1980 | 1969 | 1980 | 1976 | 1986 | 1982 | 1988 | 1983 | 1980 |
| Lowest Precipitation (in.) | 0.26 | 0.07 | 0.10 | 0.00 | 0.09 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 0.07 | 5.78 |
| Year Lowest Occurred | 1985 | 1965 | 1963 | 1961 | 1989 | 1962 | 1984 | 1988 | 1987 | 1988 | 1969 | 1989 | 1966 |
| Heating Degree Days (F) | 1113. | 798. | 639. | 399. | 170. | 46. | 9. | 17. | 145. | 412. | 744. | 1070. | 5562. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 27. | 163. | 337. | 290. | 88. | 0. | 0. | 0. | 911. |