| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.1 | 40.4 | 46.7 | 56.8 | 66.7 | 76.6 | 87.6 | 85.8 | 75.7 | 63.1 | 47.4 | 36.6 | 59.9 |
| Highest Mean Max. Temperature (F) | 41.6 | 49.1 | 56.5 | 67.2 | 76.1 | 83.5 | 92.4 | 92.4 | 84.2 | 73.2 | 57.0 | 45.1 | 62.3 |
| Year Highest Occurred | 1961 | 1963 | 1986 | 1987 | 1969 | 1961 | 1989 | 1969 | 1990 | 1988 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 28.4 | 30.3 | 34.9 | 46.6 | 59.0 | 68.2 | 81.3 | 77.7 | 67.4 | 53.9 | 38.9 | 27.4 | 55.3 |
| Year Lowest Occurred | 1962 | 1984 | 1964 | 1964 | 1964 | 1963 | 1987 | 1968 | 1961 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 22.1 | 27.9 | 34.5 | 42.1 | 51.1 | 59.7 | 68.6 | 66.5 | 57.1 | 45.8 | 34.1 | 23.9 | 44.5 |
| Highest Mean Temperature (F) | 28.0 | 36.3 | 42.7 | 48.9 | 57.8 | 65.7 | 72.1 | 72.0 | 65.8 | 53.7 | 38.8 | 31.4 | 46.7 |
| Year Highest Occurred | 1978 | 1963 | 1986 | 1990 | 1969 | 1961 | 1989 | 1967 | 1990 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 15.7 | 17.1 | 24.9 | 34.7 | 46.4 | 54.2 | 64.0 | 62.1 | 50.7 | 40.0 | 27.7 | 15.1 | 41.2 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1963 | 1964 | 1963 | 1983 | 1968 | 1961 | 1970 | 1985 | 1985 | 1984 |
| Mean Min. Temperature (F) | 9.0 | 15.3 | 22.3 | 27.4 | 35.5 | 42.8 | 49.5 | 47.2 | 38.4 | 28.4 | 20.7 | 11.1 | 29.0 |
| Highest Mean Min. Temperature (F) | 16.9 | 23.5 | 28.8 | 33.2 | 40.0 | 48.4 | 54.0 | 52.4 | 47.4 | 34.7 | 25.1 | 18.8 | 30.9 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1990 | 1987 | 1977 | 1961 | 1961 | 1990 | 1963 | 1970 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 2.0 | 3.8 | 14.8 | 21.8 | 32.2 | 38.6 | 44.6 | 42.8 | 32.6 | 22.6 | 14.0 | 2.5 | 26.4 |
| Year Lowest Occurred | 1963 | 1984 | 1964 | 1963 | 1975 | 1975 | 1983 | 1974 | 1971 | 1970 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.91 | 0.83 | 0.82 | 0.87 | 1.29 | 1.34 | 0.81 | 0.70 | 0.69 | 0.84 | 1.07 | 1.08 | 11.25 |
| Highest Precipitation (in.) | 2.32 | 2.49 | 2.10 | 2.31 | 4.08 | 4.16 | 3.80 | 2.45 | 3.73 | 4.32 | 2.62 | 3.51 | 17.94 |
| Year Highest Occurred | 1970 | 1986 | 1982 | 1971 | 1980 | 1963 | 1984 | 1968 | 1982 | 1972 | 1965 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.02 | 0.12 | 0.12 | 0.10 | 0.02 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 6.54 |
| Year Lowest Occurred | 1961 | 1981 | 1966 | 1979 | 1972 | 1974 | 1963 | 1985 | 1987 | 1988 | 1974 | 1986 | 1966 |
| Heating Degree Days (F) | 1330. | 1039. | 946. | 687. | 431. | 189. | 25. | 63. | 261. | 595. | 927. | 1274. | 7767. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 30. | 137. | 109. | 24. | 0. | 0. | 0. | 300. |