| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 31.0 | 38.5 | 50.8 | 62.6 | 72.1 | 81.3 | 90.9 | 89.3 | 78.5 | 64.7 | 46.3 | 33.5 | 61.6 |
| Highest Mean Max. Temperature (F) | 38.2 | 51.2 | 60.1 | 72.2 | 78.2 | 89.8 | 95.6 | 96.2 | 88.4 | 76.0 | 54.1 | 39.7 | 64.3 |
| Year Highest Occurred | 1990 | 1963 | 1978 | 1987 | 1969 | 1961 | 1985 | 1967 | 1990 | 1988 | 1976 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 19.6 | 23.5 | 39.7 | 53.7 | 65.5 | 75.0 | 85.8 | 82.4 | 68.7 | 59.6 | 34.4 | 18.6 | 56.5 |
| Year Lowest Occurred | 1985 | 1989 | 1976 | 1975 | 1977 | 1964 | 1983 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 22.3 | 28.5 | 38.9 | 48.0 | 56.2 | 64.6 | 71.9 | 69.9 | 59.8 | 48.3 | 36.1 | 24.9 | 47.5 |
| Highest Mean Temperature (F) | 31.6 | 38.8 | 46.4 | 54.0 | 60.7 | 70.5 | 76.8 | 75.3 | 68.2 | 56.4 | 40.3 | 32.6 | 49.6 |
| Year Highest Occurred | 1990 | 1963 | 1986 | 1990 | 1987 | 1977 | 1985 | 1986 | 1990 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 9.9 | 13.1 | 28.4 | 42.2 | 52.5 | 59.5 | 67.9 | 64.6 | 53.3 | 43.6 | 26.4 | 10.3 | 43.1 |
| Year Lowest Occurred | 1985 | 1989 | 1964 | 1970 | 1977 | 1964 | 1983 | 1964 | 1961 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 13.6 | 18.4 | 27.0 | 33.4 | 40.2 | 47.9 | 52.8 | 50.5 | 41.1 | 31.8 | 25.9 | 16.2 | 33.2 |
| Highest Mean Min. Temperature (F) | 25.4 | 29.8 | 34.1 | 38.8 | 44.8 | 55.5 | 59.0 | 55.7 | 47.9 | 37.0 | 30.6 | 26.1 | 35.9 |
| Year Highest Occurred | 1981 | 1978 | 1986 | 1990 | 1987 | 1977 | 1975 | 1986 | 1990 | 1979 | 1981 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 0.2 | 0.4 | 15.5 | 28.0 | 35.5 | 43.9 | 48.0 | 43.7 | 33.7 | 26.1 | 16.4 | 2.0 | 27.6 |
| Year Lowest Occurred | 1985 | 1964 | 1964 | 1968 | 1964 | 1964 | 1963 | 1964 | 1961 | 1966 | 1961 | 1985 | 1964 |
| Mean Precipitation (in.) | 2.98 | 2.33 | 2.12 | 1.22 | 1.17 | 1.13 | 0.32 | 0.57 | 0.90 | 1.26 | 2.77 | 3.07 | 19.84 |
| Highest Precipitation (in.) | 9.21 | 4.55 | 5.10 | 3.34 | 2.83 | 4.75 | 1.26 | 2.45 | 3.14 | 4.16 | 7.25 | 6.02 | 29.62 |
| Year Highest Occurred | 1970 | 1968 | 1983 | 1978 | 1990 | 1964 | 1976 | 1968 | 1986 | 1975 | 1973 | 1964 | 1970 |
| Lowest Precipitation (in.) | 0.41 | 0.22 | 0.38 | 0.20 | 0.04 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.02 | 12.83 |
| Year Lowest Occurred | 1985 | 1965 | 1965 | 1977 | 1965 | 1973 | 1979 | 1980 | 1990 | 1988 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1324. | 1022. | 809. | 510. | 277. | 98. | 11. | 28. | 200. | 518. | 867. | 1243. | 6907. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 86. | 225. | 180. | 44. | 0. | 0. | 0. | 535. |