| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.0 | 43.3 | 52.0 | 61.4 | 71.5 | 81.4 | 89.1 | 87.1 | 78.6 | 66.6 | 50.8 | 38.7 | 63.1 |
| Highest Mean Max. Temperature (F) | 45.5 | 51.3 | 60.2 | 69.9 | 80.6 | 87.2 | 92.7 | 89.6 | 84.8 | 74.3 | 57.2 | 45.9 | 64.9 |
| Year Highest Occurred | 1961 | 1970 | 1972 | 1987 | 1969 | 1961 | 1989 | 1969 | 1979 | 1988 | 1962 | 1981 | 1981 |
| Lowest Mean Max. Temperature (F) | 26.1 | 34.2 | 42.6 | 52.8 | 64.8 | 75.4 | 84.8 | 79.4 | 70.9 | 56.5 | 44.2 | 30.2 | 59.0 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1975 | 1977 | 1967 | 1987 | 1968 | 1986 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 23.5 | 29.8 | 37.9 | 45.3 | 53.9 | 62.5 | 70.1 | 67.9 | 58.9 | 47.9 | 36.1 | 25.6 | 46.6 |
| Highest Mean Temperature (F) | 31.8 | 36.7 | 44.6 | 50.2 | 58.5 | 67.1 | 72.4 | 70.5 | 64.8 | 54.2 | 40.8 | 32.6 | 49.4 |
| Year Highest Occurred | 1965 | 1970 | 1986 | 1989 | 1969 | 1988 | 1989 | 1983 | 1990 | 1963 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 16.2 | 17.9 | 28.5 | 39.4 | 50.0 | 59.0 | 67.4 | 63.3 | 54.6 | 42.4 | 30.6 | 18.2 | 44.3 |
| Year Lowest Occurred | 1984 | 1964 | 1964 | 1975 | 1983 | 1963 | 1987 | 1968 | 1965 | 1970 | 1979 | 1990 | 1984 |
| Mean Min. Temperature (F) | 10.0 | 16.3 | 23.7 | 29.1 | 36.1 | 43.6 | 51.0 | 48.8 | 39.1 | 29.2 | 21.3 | 12.4 | 30.1 |
| Highest Mean Min. Temperature (F) | 22.5 | 24.6 | 30.8 | 33.7 | 39.7 | 47.6 | 54.9 | 54.5 | 45.8 | 34.6 | 25.5 | 20.3 | 33.8 |
| Year Highest Occurred | 1981 | 1978 | 1978 | 1990 | 1985 | 1988 | 1990 | 1983 | 1990 | 1972 | 1983 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | -0.9 | -0.8 | 14.3 | 24.9 | 31.6 | 39.4 | 47.3 | 43.8 | 33.8 | 22.6 | 15.2 | 2.6 | 27.3 |
| Year Lowest Occurred | 1963 | 1964 | 1964 | 1970 | 1975 | 1963 | 1962 | 1962 | 1971 | 1970 | 1979 | 1990 | 1962 |
| Mean Precipitation (in.) | 0.97 | 0.93 | 1.08 | 1.03 | 1.08 | 0.85 | 1.09 | 1.13 | 1.04 | 1.13 | 1.02 | 0.92 | 12.27 |
| Highest Precipitation (in.) | 2.45 | 3.29 | 3.86 | 2.53 | 2.68 | 2.90 | 5.23 | 4.77 | 5.29 | 3.02 | 2.70 | 3.08 | 24.07 |
| Year Highest Occurred | 1969 | 1980 | 1978 | 1986 | 1981 | 1975 | 1985 | 1983 | 1982 | 1981 | 1973 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.17 | 0.19 | 0.02 | 0.00 | 0.04 | 0.03 | 0.00 | 0.02 | 0.08 | 0.05 | 6.03 |
| Year Lowest Occurred | 1961 | 1967 | 1972 | 1985 | 1974 | 1966 | 1978 | 1974 | 1979 | 1978 | 1962 | 1976 | 1976 |
| Heating Degree Days (F) | 1287. | 986. | 840. | 591. | 344. | 115. | 0. | 25. | 205. | 530. | 867. | 1221. | 7011. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 40. | 161. | 115. | 22. | 0. | 0. | 0. | 338. |