| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.9 | 44.0 | 51.7 | 62.7 | 72.1 | 82.5 | 90.2 | 89.1 | 79.5 | 67.5 | 50.5 | 40.4 | 64.1 |
| Highest Mean Max. Temperature (F) | 49.5 | 52.7 | 60.5 | 71.2 | 80.3 | 89.9 | 95.8 | 95.8 | 86.4 | 74.9 | 58.3 | 50.8 | 66.9 |
| Year Highest Occurred | 1981 | 1983 | 1986 | 1981 | 1985 | 1988 | 1974 | 1983 | 1979 | 1963 | 1981 | 1979 | 1981 |
| Lowest Mean Max. Temperature (F) | 25.4 | 30.3 | 37.6 | 54.7 | 65.7 | 73.8 | 83.2 | 83.7 | 66.1 | 56.8 | 33.2 | 23.2 | 61.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1967 | 1982 | 1962 | 1977 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Temperature (F) | 25.2 | 29.7 | 36.8 | 47.4 | 56.9 | 66.6 | 73.5 | 71.7 | 61.7 | 50.6 | 36.6 | 27.0 | 48.6 |
| Highest Mean Temperature (F) | 35.7 | 38.0 | 45.6 | 54.2 | 62.1 | 74.3 | 78.5 | 78.5 | 66.9 | 57.9 | 42.3 | 34.7 | 51.4 |
| Year Highest Occurred | 1981 | 1983 | 1986 | 1981 | 1985 | 1988 | 1966 | 1983 | 1990 | 1963 | 1990 | 1979 | 1981 |
| Lowest Mean Temperature (F) | 10.9 | 18.1 | 24.1 | 41.7 | 52.1 | 60.9 | 69.3 | 66.4 | 52.2 | 43.5 | 21.5 | 10.5 | 45.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1982 | 1962 | 1974 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 11.4 | 15.5 | 22.0 | 32.0 | 41.6 | 50.6 | 56.8 | 54.3 | 43.8 | 33.6 | 22.7 | 13.6 | 33.2 |
| Highest Mean Min. Temperature (F) | 21.8 | 23.3 | 30.6 | 37.2 | 47.4 | 58.6 | 61.6 | 61.1 | 49.9 | 40.9 | 27.5 | 20.4 | 35.8 |
| Year Highest Occurred | 1981 | 1983 | 1986 | 1981 | 1987 | 1988 | 1966 | 1983 | 1963 | 1963 | 1990 | 1965 | 1981 |
| Lowest Mean Min. Temperature (F) | -3.6 | 5.8 | 10.5 | 27.9 | 36.6 | 46.2 | 51.3 | 48.6 | 37.4 | 30.1 | 9.7 | -2.2 | 30.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1961 | 1983 | 1976 | 1971 | 1974 | 1974 | 1976 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.30 | 0.40 | 0.79 | 1.63 | 2.82 | 2.80 | 2.62 | 1.34 | 1.36 | 0.97 | 0.44 | 0.36 | 15.83 |
| Highest Precipitation (in.) | 0.64 | 1.29 | 2.03 | 3.69 | 6.45 | 7.87 | 5.65 | 4.05 | 3.41 | 2.13 | 1.20 | 0.78 | 22.03 |
| Year Highest Occurred | 1975 | 1987 | 1973 | 1984 | 1982 | 1967 | 1962 | 1979 | 1989 | 1974 | 1983 | 1967 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.06 | 0.13 | 0.07 | 0.09 | 0.86 | 0.33 | 0.18 | 0.14 | 0.15 | 0.02 | 0.00 | 11.53 |
| Year Lowest Occurred | 1989 | 1983 | 1988 | 1987 | 1966 | 1989 | 1964 | 1961 | 1975 | 1965 | 1963 | 1979 | 1985 |
| Heating Degree Days (F) | 1234. | 988. | 874. | 528. | 262. | 64. | 0. | 18. | 157. | 446. | 852. | 1178. | 6601. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 112. | 268. | 226. | 58. | 0. | 0. | 0. | 675. |