| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 28.4 | 37.6 | 53.0 | 66.0 | 76.6 | 87.5 | 94.4 | 91.8 | 81.5 | 67.7 | 48.5 | 32.4 | 63.8 |
| Highest Mean Max. Temperature (F) | 45.0 | 53.8 | 64.6 | 73.7 | 83.1 | 94.4 | 99.2 | 95.0 | 87.8 | 75.9 | 56.6 | 46.0 | 67.9 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1969 | 1977 | 1989 | 1969 | 1979 | 1988 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 13.1 | 21.0 | 42.4 | 58.4 | 70.4 | 79.9 | 90.6 | 84.3 | 73.3 | 56.6 | 33.3 | 16.7 | 59.0 |
| Year Lowest Occurred | 1973 | 1985 | 1979 | 1983 | 1983 | 1967 | 1986 | 1968 | 1965 | 1969 | 1971 | 1978 | 1984 |
| Mean Temperature (F) | 14.6 | 22.9 | 38.0 | 49.6 | 59.2 | 68.6 | 75.3 | 72.8 | 62.6 | 49.8 | 34.5 | 19.5 | 47.3 |
| Highest Mean Temperature (F) | 29.0 | 35.2 | 47.1 | 55.4 | 64.2 | 74.5 | 78.2 | 76.9 | 67.5 | 55.1 | 40.2 | 31.6 | 51.5 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1990 | 1969 | 1977 | 1989 | 1983 | 1990 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | -0.6 | 5.7 | 30.0 | 43.7 | 55.1 | 63.4 | 72.5 | 67.8 | 54.5 | 43.2 | 23.6 | 7.5 | 43.7 |
| Year Lowest Occurred | 1973 | 1985 | 1984 | 1970 | 1983 | 1967 | 1987 | 1968 | 1965 | 1969 | 1971 | 1978 | 1973 |
| Mean Min. Temperature (F) | 0.6 | 8.2 | 22.9 | 33.1 | 41.8 | 49.7 | 56.1 | 53.6 | 43.8 | 31.9 | 20.4 | 6.6 | 30.7 |
| Highest Mean Min. Temperature (F) | 13.3 | 21.3 | 31.5 | 38.3 | 45.2 | 54.7 | 60.1 | 61.1 | 49.6 | 38.5 | 24.8 | 17.9 | 35.0 |
| Year Highest Occurred | 1972 | 1986 | 1986 | 1990 | 1969 | 1986 | 1984 | 1983 | 1990 | 1972 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | -14.3 | -9.6 | 13.5 | 27.2 | 38.3 | 45.8 | 52.2 | 48.8 | 35.7 | 26.6 | 12.3 | -3.7 | 27.0 |
| Year Lowest Occurred | 1973 | 1985 | 1964 | 1970 | 1967 | 1965 | 1963 | 1962 | 1965 | 1966 | 1964 | 1972 | 1967 |
| Mean Precipitation (in.) | 0.35 | 0.32 | 0.51 | 0.68 | 0.69 | 0.59 | 0.65 | 0.64 | 0.79 | 0.87 | 0.47 | 0.47 | 7.03 |
| Highest Precipitation (in.) | 1.49 | 1.31 | 1.77 | 1.49 | 1.79 | 2.66 | 1.80 | 2.12 | 2.31 | 3.68 | 1.37 | 1.40 | 12.17 |
| Year Highest Occurred | 1978 | 1969 | 1979 | 1968 | 1975 | 1970 | 1977 | 1987 | 1965 | 1981 | 1978 | 1966 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 3.05 |
| Year Lowest Occurred | 1976 | 1972 | 1972 | 1982 | 1974 | 1988 | 1962 | 1967 | 1987 | 1964 | 1976 | 1989 | 1974 |
| Heating Degree Days (F) | 1562. | 1179. | 837. | 462. | 192. | 37. | 0. | 0. | 130. | 471. | 915. | 1411. | 7196. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 145. | 319. | 246. | 58. | 0. | 0. | 0. | 780. |