| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.2 | 36.4 | 41.5 | 49.9 | 59.9 | 70.0 | 75.1 | 72.2 | 65.0 | 55.6 | 40.6 | 32.3 | 52.6 |
| Highest Mean Max. Temperature (F) | 39.8 | 40.5 | 49.0 | 58.2 | 65.6 | 75.6 | 79.4 | 75.6 | 69.9 | 63.6 | 46.9 | 42.4 | 55.0 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1974 | 1990 | 1978 | 1985 | 1963 | 1963 | 1963 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 25.6 | 29.7 | 34.1 | 42.4 | 55.0 | 63.2 | 71.5 | 68.1 | 59.1 | 45.5 | 33.0 | 27.8 | 51.3 |
| Year Lowest Occurred | 1979 | 1964 | 1965 | 1983 | 1983 | 1969 | 1973 | 1967 | 1965 | 1969 | 1972 | 1961 | 1964 |
| Mean Temperature (F) | 19.6 | 22.8 | 27.9 | 35.8 | 44.7 | 53.2 | 58.5 | 56.5 | 49.3 | 40.6 | 28.0 | 20.6 | 38.1 |
| Highest Mean Temperature (F) | 27.2 | 26.8 | 34.7 | 42.2 | 48.1 | 57.3 | 60.8 | 59.1 | 54.0 | 47.0 | 32.4 | 30.8 | 40.5 |
| Year Highest Occurred | 1986 | 1980 | 1986 | 1981 | 1984 | 1977 | 1966 | 1969 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 12.8 | 15.9 | 19.2 | 29.1 | 41.0 | 49.4 | 55.8 | 53.7 | 44.8 | 33.0 | 20.8 | 15.7 | 36.4 |
| Year Lowest Occurred | 1979 | 1964 | 1965 | 1983 | 1983 | 1969 | 1973 | 1965 | 1965 | 1969 | 1979 | 1990 | 1964 |
| Mean Min. Temperature (F) | 7.0 | 9.1 | 14.3 | 21.7 | 29.5 | 36.3 | 42.0 | 40.8 | 33.5 | 25.5 | 15.4 | 8.9 | 23.7 |
| Highest Mean Min. Temperature (F) | 14.6 | 14.3 | 20.6 | 26.2 | 32.4 | 41.2 | 44.6 | 44.1 | 38.1 | 30.3 | 19.6 | 19.2 | 26.3 |
| Year Highest Occurred | 1986 | 1986 | 1972 | 1981 | 1987 | 1988 | 1966 | 1983 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -0.7 | 2.0 | 4.3 | 15.8 | 27.0 | 32.9 | 40.0 | 37.2 | 29.9 | 20.5 | 8.4 | 2.7 | 21.6 |
| Year Lowest Occurred | 1962 | 1964 | 1965 | 1983 | 1983 | 1975 | 1973 | 1974 | 1971 | 1969 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.50 | 0.58 | 1.07 | 1.38 | 1.60 | 1.52 | 2.49 | 2.50 | 1.42 | 1.13 | 0.78 | 0.77 | 15.74 |
| Highest Precipitation (in.) | 1.48 | 1.25 | 2.25 | 3.60 | 4.74 | 3.91 | 4.77 | 5.47 | 3.65 | 3.97 | 2.18 | 1.69 | 20.68 |
| Year Highest Occurred | 1962 | 1987 | 1983 | 1980 | 1969 | 1969 | 1965 | 1963 | 1970 | 1969 | 1983 | 1978 | 1969 |
| Lowest Precipitation (in.) | 0.10 | 0.06 | 0.14 | 0.29 | 0.02 | 0.00 | 0.54 | 0.83 | 0.24 | 0.06 | 0.08 | 0.12 | 11.52 |
| Year Lowest Occurred | 1983 | 1969 | 1966 | 1972 | 1974 | 1980 | 1978 | 1985 | 1983 | 1964 | 1963 | 1980 | 1978 |
| Heating Degree Days (F) | 1407. | 1182. | 1150. | 876. | 629. | 354. | 202. | 264. | 471. | 756. | 1110. | 1376. | 9777. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |