| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.8 | 35.9 | 39.6 | 47.4 | 57.1 | 68.4 | 75.6 | 73.1 | 64.7 | 54.7 | 42.0 | 34.6 | 52.2 |
| Highest Mean Max. Temperature (F) | 41.4 | 41.4 | 46.6 | 55.3 | 63.5 | 75.5 | 80.3 | 77.3 | 69.6 | 61.5 | 47.7 | 44.1 | 54.5 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1981 | 1974 | 1980 | 1980 | 1969 | 1977 | 1963 | 1966 | 1980 | 1966 |
| Lowest Mean Max. Temperature (F) | 23.6 | 27.1 | 31.3 | 39.9 | 52.1 | 60.4 | 71.9 | 69.4 | 55.7 | 44.0 | 32.5 | 26.3 | 50.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1973 | 1963 | 1965 | 1969 | 1985 | 1983 | 1984 |
| Mean Temperature (F) | 21.6 | 23.2 | 26.8 | 34.9 | 44.0 | 53.3 | 59.7 | 57.6 | 49.4 | 40.6 | 29.1 | 22.3 | 38.5 |
| Highest Mean Temperature (F) | 30.1 | 30.1 | 33.9 | 41.4 | 47.5 | 58.6 | 64.3 | 61.0 | 55.1 | 48.3 | 34.5 | 32.2 | 40.5 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1970 | 1988 | 1964 | 1969 | 1963 | 1963 | 1963 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 11.9 | 13.7 | 16.4 | 27.1 | 39.4 | 48.9 | 57.1 | 54.7 | 42.7 | 32.1 | 20.9 | 14.5 | 36.9 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1973 | 1965 | 1965 | 1969 | 1979 | 1983 | 1982 |
| Mean Min. Temperature (F) | 9.2 | 10.5 | 13.9 | 22.3 | 31.0 | 38.2 | 43.8 | 42.1 | 34.1 | 26.6 | 16.1 | 10.0 | 24.8 |
| Highest Mean Min. Temperature (F) | 18.7 | 18.8 | 22.7 | 27.4 | 35.3 | 42.8 | 49.1 | 47.3 | 42.0 | 35.0 | 22.2 | 20.3 | 27.8 |
| Year Highest Occurred | 1986 | 1976 | 1974 | 1981 | 1987 | 1988 | 1964 | 1963 | 1963 | 1963 | 1989 | 1980 | 1963 |
| Lowest Mean Min. Temperature (F) | 0.1 | 0.3 | 1.4 | 14.2 | 26.7 | 34.2 | 40.7 | 37.4 | 29.6 | 20.1 | 7.7 | 2.6 | 22.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1982 | 1972 | 1974 | 1965 | 1969 | 1979 | 1983 | 1971 |
| Mean Precipitation (in.) | 0.56 | 0.63 | 1.28 | 1.64 | 2.15 | 1.88 | 2.33 | 1.84 | 1.48 | 1.01 | 0.74 | 0.55 | 16.09 |
| Highest Precipitation (in.) | 1.85 | 2.12 | 4.12 | 4.36 | 6.29 | 4.92 | 6.06 | 4.20 | 4.23 | 4.23 | 2.69 | 1.24 | 24.74 |
| Year Highest Occurred | 1972 | 1989 | 1990 | 1971 | 1978 | 1967 | 1977 | 1981 | 1970 | 1969 | 1983 | 1988 | 1961 |
| Lowest Precipitation (in.) | 0.00 | 0.03 | 0.22 | 0.36 | 0.00 | 0.15 | 0.42 | 0.23 | 0.09 | 0.04 | 0.06 | 0.10 | 12.08 |
| Year Lowest Occurred | 1983 | 1983 | 1968 | 1978 | 1974 | 1980 | 1969 | 1988 | 1975 | 1964 | 1981 | 1980 | 1964 |
| Heating Degree Days (F) | 1345. | 1170. | 1184. | 903. | 651. | 351. | 169. | 229. | 468. | 756. | 1077. | 1324. | 9627. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 5. | 0. | 0. | 0. | 0. | 0. | 5. |