| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.0 | 40.3 | 43.0 | 51.1 | 61.3 | 72.3 | 76.4 | 73.6 | 67.4 | 57.6 | 45.4 | 39.2 | 55.5 |
| Highest Mean Max. Temperature (F) | 46.1 | 46.3 | 54.5 | 61.4 | 68.7 | 79.4 | 80.5 | 77.4 | 75.1 | 64.3 | 50.2 | 45.9 | 58.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1962 | 1979 | 1964 | 1976 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 29.4 | 33.5 | 34.7 | 43.6 | 54.7 | 65.2 | 72.9 | 68.4 | 61.0 | 47.4 | 38.1 | 32.5 | 53.3 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1975 | 1980 | 1965 | 1977 | 1968 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 26.6 | 28.2 | 31.2 | 38.4 | 46.8 | 56.2 | 61.4 | 59.5 | 53.3 | 44.3 | 34.1 | 27.3 | 42.3 |
| Highest Mean Temperature (F) | 34.2 | 33.7 | 39.0 | 47.4 | 53.2 | 61.3 | 66.8 | 62.1 | 57.2 | 48.4 | 38.3 | 33.5 | 44.8 |
| Year Highest Occurred | 1986 | 1963 | 1989 | 1989 | 1984 | 1974 | 1972 | 1969 | 1979 | 1988 | 1965 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 19.3 | 21.4 | 25.3 | 31.9 | 41.9 | 49.4 | 58.4 | 55.3 | 48.8 | 37.4 | 28.7 | 21.6 | 40.5 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1965 | 1968 | 1986 | 1984 | 1972 | 1967 | 1964 |
| Mean Min. Temperature (F) | 15.2 | 16.1 | 19.4 | 25.8 | 32.3 | 40.0 | 46.3 | 45.3 | 39.2 | 30.9 | 22.8 | 15.4 | 29.1 |
| Highest Mean Min. Temperature (F) | 22.3 | 21.1 | 26.4 | 33.3 | 37.6 | 44.6 | 53.1 | 49.4 | 42.8 | 34.7 | 27.7 | 23.8 | 31.1 |
| Year Highest Occurred | 1986 | 1963 | 1989 | 1989 | 1984 | 1990 | 1972 | 1972 | 1972 | 1963 | 1965 | 1977 | 1989 |
| Lowest Mean Min. Temperature (F) | 8.9 | 9.1 | 13.8 | 20.2 | 28.7 | 33.6 | 42.4 | 41.4 | 36.2 | 26.8 | 17.8 | 7.8 | 26.8 |
| Year Lowest Occurred | 1973 | 1966 | 1964 | 1975 | 1975 | 1965 | 1971 | 1975 | 1970 | 1982 | 1979 | 1974 | 1964 |
| Mean Precipitation (in.) | 2.50 | 2.11 | 2.44 | 1.10 | 0.91 | 0.52 | 2.03 | 2.14 | 1.42 | 1.49 | 1.63 | 1.97 | 20.26 |
| Highest Precipitation (in.) | 9.79 | 10.01 | 8.92 | 2.69 | 2.45 | 2.41 | 4.49 | 8.16 | 3.39 | 6.32 | 6.84 | 8.52 | 45.03 |
| Year Highest Occurred | 1978 | 1980 | 1978 | 1973 | 1962 | 1988 | 1983 | 1963 | 1967 | 1972 | 1985 | 1978 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.09 | 0.06 | 0.00 | 0.02 | 0.00 | 0.07 | 8.33 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 1974 | 1978 | 1963 | 1974 | 1971 | 1964 | 1989 | 1963 | 1961 |
| Heating Degree Days (F) | 1190. | 1030. | 1048. | 798. | 564. | 271. | 127. | 174. | 351. | 642. | 927. | 1169. | 8291. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 7. | 15. | 0. | 0. | 0. | 0. | 0. | 22. |