| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.7 | 33.9 | 37.5 | 45.5 | 55.3 | 65.9 | 70.8 | 68.2 | 61.8 | 52.3 | 40.0 | 33.6 | 49.8 |
| Highest Mean Max. Temperature (F) | 41.3 | 39.2 | 45.5 | 53.8 | 61.3 | 72.9 | 75.1 | 72.1 | 66.5 | 59.9 | 46.2 | 45.2 | 52.9 |
| Year Highest Occurred | 1986 | 1981 | 1967 | 1981 | 1974 | 1990 | 1978 | 1962 | 1983 | 1988 | 1963 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 26.1 | 27.0 | 27.6 | 34.7 | 48.8 | 59.0 | 66.7 | 62.8 | 53.8 | 41.7 | 28.7 | 28.0 | 46.1 |
| Year Lowest Occurred | 1979 | 1971 | 1970 | 1973 | 1983 | 1989 | 1965 | 1965 | 1965 | 1969 | 1972 | 1971 | 1973 |
| Mean Temperature (F) | 18.3 | 19.5 | 23.8 | 32.5 | 41.5 | 50.5 | 55.5 | 53.4 | 46.4 | 37.4 | 26.2 | 19.6 | 35.4 |
| Highest Mean Temperature (F) | 24.3 | 25.6 | 32.6 | 38.5 | 47.3 | 55.3 | 59.4 | 56.7 | 50.5 | 44.7 | 32.4 | 30.1 | 39.0 |
| Year Highest Occurred | 1969 | 1962 | 1967 | 1981 | 1963 | 1990 | 1964 | 1962 | 1963 | 1963 | 1962 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 11.1 | 11.8 | 15.9 | 23.8 | 36.5 | 45.5 | 52.1 | 49.0 | 40.4 | 28.0 | 16.5 | 14.7 | 31.9 |
| Year Lowest Occurred | 1985 | 1985 | 1969 | 1973 | 1983 | 1982 | 1965 | 1965 | 1985 | 1984 | 1972 | 1983 | 1985 |
| Mean Min. Temperature (F) | 4.0 | 5.0 | 10.1 | 19.4 | 27.8 | 35.1 | 40.2 | 38.5 | 30.9 | 22.4 | 12.3 | 5.6 | 20.9 |
| Highest Mean Min. Temperature (F) | 12.8 | 12.2 | 19.6 | 25.8 | 33.6 | 38.8 | 44.5 | 42.9 | 37.3 | 31.0 | 20.0 | 14.9 | 25.1 |
| Year Highest Occurred | 1965 | 1962 | 1967 | 1967 | 1963 | 1978 | 1964 | 1963 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Min. Temperature (F) | -5.7 | -5.4 | 2.5 | 11.5 | 19.1 | 29.7 | 35.4 | 32.1 | 21.7 | 13.2 | 3.1 | -2.0 | 14.7 |
| Year Lowest Occurred | 1985 | 1985 | 1969 | 1968 | 1986 | 1982 | 1985 | 1985 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.56 | 0.92 | 1.79 | 2.30 | 2.59 | 2.50 | 4.15 | 3.88 | 1.78 | 1.43 | 0.92 | 0.86 | 23.68 |
| Highest Precipitation (in.) | 1.45 | 3.53 | 3.97 | 5.52 | 6.86 | 5.16 | 8.13 | 8.30 | 3.77 | 7.46 | 2.53 | 2.11 | 31.91 |
| Year Highest Occurred | 1980 | 1987 | 1983 | 1965 | 1969 | 1983 | 1990 | 1963 | 1976 | 1984 | 1972 | 1973 | 1969 |
| Lowest Precipitation (in.) | 0.10 | 0.17 | 0.04 | 0.03 | 0.34 | 0.17 | 1.14 | 1.24 | 0.25 | 0.13 | 0.03 | 0.00 | 15.88 |
| Year Lowest Occurred | 1970 | 1973 | 1966 | 1963 | 1974 | 1990 | 1987 | 1974 | 1978 | 1980 | 1965 | 1980 | 1962 |
| Heating Degree Days (F) | 1448. | 1274. | 1277. | 975. | 729. | 435. | 295. | 360. | 558. | 856. | 1164. | 1407. | 10778. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |