| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.6 | 41.0 | 49.2 | 59.7 | 68.6 | 78.4 | 82.4 | 79.5 | 73.6 | 63.5 | 49.4 | 38.6 | 60.0 |
| Highest Mean Max. Temperature (F) | 47.7 | 52.0 | 57.9 | 67.5 | 74.4 | 83.4 | 88.1 | 84.3 | 80.3 | 69.6 | 55.3 | 50.6 | 63.4 |
| Year Highest Occurred | 1986 | 1981 | 1989 | 1981 | 1974 | 1990 | 1980 | 1962 | 1979 | 1979 | 1973 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 25.7 | 31.9 | 43.3 | 52.3 | 63.7 | 72.4 | 77.8 | 74.3 | 69.7 | 54.9 | 39.0 | 30.9 | 57.7 |
| Year Lowest Occurred | 1984 | 1979 | 1979 | 1973 | 1987 | 1983 | 1986 | 1968 | 1986 | 1984 | 1972 | 1978 | 1984 |
| Mean Temperature (F) | 21.0 | 26.9 | 35.1 | 43.7 | 51.8 | 60.9 | 65.9 | 63.7 | 57.6 | 47.3 | 34.8 | 24.1 | 44.4 |
| Highest Mean Temperature (F) | 30.8 | 34.6 | 42.9 | 48.5 | 56.5 | 64.6 | 69.6 | 66.9 | 60.8 | 52.3 | 39.8 | 34.8 | 46.9 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1981 | 1963 | 1990 | 1963 | 1969 | 1979 | 1963 | 1973 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 9.3 | 17.2 | 29.7 | 37.4 | 48.1 | 56.2 | 62.5 | 60.7 | 55.3 | 42.1 | 25.4 | 18.2 | 42.0 |
| Year Lowest Occurred | 1984 | 1979 | 1984 | 1975 | 1983 | 1983 | 1986 | 1974 | 1965 | 1970 | 1972 | 1978 | 1979 |
| Mean Min. Temperature (F) | 6.3 | 12.7 | 21.0 | 27.5 | 34.9 | 43.4 | 49.4 | 47.8 | 41.5 | 31.2 | 20.2 | 9.4 | 28.8 |
| Highest Mean Min. Temperature (F) | 18.6 | 23.0 | 29.2 | 31.5 | 39.3 | 46.3 | 53.0 | 52.5 | 44.7 | 37.4 | 26.9 | 19.0 | 30.6 |
| Year Highest Occurred | 1969 | 1976 | 1967 | 1990 | 1963 | 1981 | 1969 | 1977 | 1977 | 1972 | 1978 | 1980 | 1969 |
| Lowest Mean Min. Temperature (F) | -7.2 | 0.9 | 14.9 | 22.3 | 28.6 | 39.3 | 45.1 | 45.1 | 38.0 | 26.8 | 11.7 | 2.8 | 26.0 |
| Year Lowest Occurred | 1984 | 1984 | 1984 | 1975 | 1974 | 1974 | 1974 | 1973 | 1973 | 1976 | 1972 | 1990 | 1979 |
| Mean Precipitation (in.) | 0.60 | 0.51 | 0.84 | 0.72 | 0.86 | 1.02 | 1.95 | 2.10 | 1.48 | 1.01 | 0.74 | 0.73 | 12.56 |
| Highest Precipitation (in.) | 2.13 | 2.00 | 2.66 | 2.24 | 2.27 | 2.87 | 3.61 | 3.69 | 3.34 | 2.40 | 2.82 | 1.83 | 22.55 |
| Year Highest Occurred | 1979 | 1982 | 1990 | 1986 | 1979 | 1986 | 1986 | 1988 | 1986 | 1971 | 1978 | 1990 | 1986 |
| Lowest Precipitation (in.) | 0.05 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.45 | 0.05 | 0.00 | 0.00 | 0.02 | 8.33 |
| Year Lowest Occurred | 1968 | 1970 | 1971 | 1989 | 1974 | 1980 | 1980 | 1973 | 1968 | 1988 | 1989 | 1977 | 1962 |
| Heating Degree Days (F) | 1364. | 1067. | 927. | 639. | 409. | 140. | 46. | 75. | 224. | 549. | 906. | 1268. | 7614. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 17. | 73. | 35. | 0. | 0. | 0. | 0. | 125. |