| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.3 | 38.7 | 44.2 | 52.5 | 61.1 | 70.6 | 80.2 | 80.0 | 70.4 | 59.5 | 43.6 | 34.5 | 55.7 |
| Highest Mean Max. Temperature (F) | 40.5 | 48.8 | 53.1 | 62.7 | 67.4 | 80.2 | 85.7 | 88.4 | 78.8 | 71.4 | 52.4 | 42.7 | 57.7 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1987 | 1973 | 1961 | 1985 | 1961 | 1990 | 1988 | 1976 | 1976 | 1961 |
| Lowest Mean Max. Temperature (F) | 23.2 | 30.6 | 39.5 | 42.3 | 55.7 | 63.4 | 73.6 | 71.9 | 61.0 | 50.3 | 32.5 | 23.3 | 51.8 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1980 | 1983 | 1968 | 1985 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 20.9 | 26.2 | 32.0 | 38.7 | 45.9 | 53.5 | 59.0 | 57.9 | 49.0 | 40.4 | 31.5 | 23.1 | 39.8 |
| Highest Mean Temperature (F) | 29.4 | 37.7 | 38.9 | 45.1 | 49.4 | 57.9 | 63.3 | 63.2 | 55.6 | 47.6 | 35.6 | 29.2 | 41.5 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1990 | 1988 | 1974 | 1975 | 1961 | 1963 | 1988 | 1976 | 1973 | 1988 |
| Lowest Mean Temperature (F) | 7.6 | 15.1 | 24.2 | 31.5 | 42.2 | 50.0 | 54.1 | 53.3 | 43.2 | 35.3 | 20.2 | 10.8 | 35.6 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1965 | 1984 | 1986 | 1980 | 1971 | 1970 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 8.5 | 13.5 | 19.6 | 24.9 | 30.7 | 36.4 | 37.7 | 35.6 | 27.7 | 21.2 | 19.3 | 11.7 | 23.9 |
| Highest Mean Min. Temperature (F) | 19.1 | 26.5 | 28.0 | 29.8 | 37.8 | 43.1 | 44.3 | 40.3 | 34.5 | 30.8 | 25.4 | 20.2 | 26.5 |
| Year Highest Occurred | 1990 | 1963 | 1983 | 1989 | 1988 | 1988 | 1975 | 1983 | 1963 | 1979 | 1983 | 1973 | 1983 |
| Lowest Mean Min. Temperature (F) | -8.1 | -0.4 | 8.1 | 20.1 | 25.1 | 31.3 | 31.7 | 30.5 | 20.8 | 12.9 | 7.9 | -1.8 | 19.2 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1970 | 1964 | 1962 | 1962 | 1980 | 1971 | 1970 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.36 | 1.02 | 1.18 | 0.99 | 1.34 | 1.11 | 0.58 | 0.87 | 0.66 | 0.91 | 1.49 | 1.64 | 13.15 |
| Highest Precipitation (in.) | 5.03 | 3.25 | 3.56 | 2.50 | 4.01 | 4.14 | 1.56 | 3.70 | 2.31 | 3.59 | 3.20 | 4.64 | 22.89 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1963 | 1989 | 1964 | 1975 | 1965 | 1982 | 1962 | 1966 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.16 | 0.06 | 0.04 | 0.14 | 0.04 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 8.68 |
| Year Lowest Occurred | 1985 | 1971 | 1979 | 1970 | 1975 | 1973 | 1988 | 1980 | 1979 | 1988 | 1976 | 1989 | 1967 |
| Heating Degree Days (F) | 1367. | 1086. | 1023. | 789. | 592. | 345. | 200. | 232. | 480. | 763. | 1005. | 1299. | 9181. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 14. | 12. | 0. | 0. | 0. | 0. | 26. |