| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.5 | 39.8 | 48.0 | 58.0 | 68.3 | 78.9 | 88.1 | 86.3 | 76.5 | 64.7 | 47.5 | 36.1 | 60.6 |
| Highest Mean Max. Temperature (F) | 44.4 | 51.3 | 56.9 | 66.0 | 77.2 | 87.0 | 91.4 | 90.7 | 83.8 | 72.7 | 55.7 | 46.0 | 63.5 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1969 | 1961 | 1964 | 1969 | 1979 | 1965 | 1962 | 1962 | 1981 |
| Lowest Mean Max. Temperature (F) | 25.2 | 27.8 | 39.7 | 48.7 | 62.4 | 72.8 | 82.1 | 79.4 | 68.2 | 53.9 | 40.7 | 25.8 | 56.4 |
| Year Lowest Occurred | 1984 | 1989 | 1964 | 1975 | 1983 | 1975 | 1987 | 1968 | 1965 | 1984 | 1985 | 1990 | 1984 |
| Mean Temperature (F) | 22.4 | 26.6 | 35.0 | 43.7 | 52.3 | 60.8 | 68.8 | 66.8 | 57.4 | 47.1 | 34.6 | 24.5 | 45.0 |
| Highest Mean Temperature (F) | 32.0 | 35.9 | 42.7 | 48.8 | 57.9 | 66.2 | 71.0 | 69.7 | 63.5 | 52.6 | 39.6 | 32.4 | 48.2 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1969 | 1961 | 1989 | 1971 | 1990 | 1963 | 1966 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 14.4 | 17.1 | 24.3 | 38.1 | 48.5 | 56.5 | 65.7 | 62.9 | 49.8 | 40.6 | 28.4 | 14.3 | 42.2 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1975 | 1964 | 1965 | 1968 | 1965 | 1970 | 1979 | 1990 | 1964 |
| Mean Min. Temperature (F) | 10.2 | 13.4 | 21.9 | 29.5 | 36.3 | 42.7 | 49.3 | 47.3 | 38.3 | 29.4 | 21.6 | 12.8 | 29.4 |
| Highest Mean Min. Temperature (F) | 20.2 | 23.9 | 28.5 | 36.6 | 39.9 | 47.0 | 52.9 | 53.6 | 46.7 | 34.8 | 26.5 | 20.6 | 32.9 |
| Year Highest Occurred | 1983 | 1986 | 1986 | 1969 | 1987 | 1986 | 1985 | 1983 | 1990 | 1972 | 1966 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.5 | 1.8 | 8.9 | 23.2 | 32.2 | 38.1 | 45.8 | 42.6 | 31.3 | 23.4 | 15.4 | 2.7 | 24.9 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1966 | 1965 | 1966 | 1964 | 1966 | 1965 | 1970 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.91 | 0.96 | 1.36 | 1.68 | 1.66 | 1.12 | 0.81 | 0.86 | 1.38 | 1.52 | 1.47 | 1.21 | 14.94 |
| Highest Precipitation (in.) | 3.92 | 2.80 | 2.40 | 3.83 | 3.69 | 3.50 | 1.86 | 3.57 | 7.05 | 3.71 | 3.78 | 4.08 | 23.06 |
| Year Highest Occurred | 1980 | 1980 | 1980 | 1986 | 1981 | 1969 | 1969 | 1968 | 1982 | 1972 | 1985 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.14 | 0.10 | 0.06 | 0.08 | 0.00 | 0.01 | 0.00 | 0.00 | 0.05 | 0.03 | 0.04 | 8.06 |
| Year Lowest Occurred | 1961 | 1964 | 1969 | 1987 | 1969 | 1977 | 1978 | 1985 | 1974 | 1990 | 1976 | 1976 | 1988 |
| Heating Degree Days (F) | 1321. | 1075. | 930. | 639. | 394. | 155. | 7. | 44. | 245. | 555. | 912. | 1256. | 7533. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 29. | 125. | 99. | 17. | 0. | 0. | 0. | 270. |