| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.0 | 52.8 | 61.6 | 71.5 | 79.1 | 87.6 | 91.7 | 89.1 | 81.8 | 72.5 | 59.7 | 50.1 | 70.5 |
| Highest Mean Max. Temperature (F) | 58.6 | 63.4 | 70.0 | 78.5 | 87.3 | 96.8 | 97.3 | 94.2 | 88.4 | 81.2 | 66.8 | 59.0 | 73.0 |
| Year Highest Occurred | 1986 | 1976 | 1989 | 1981 | 1962 | 1990 | 1980 | 1983 | 1977 | 1963 | 1966 | 1970 | 1981 |
| Lowest Mean Max. Temperature (F) | 35.8 | 38.9 | 50.4 | 62.7 | 73.8 | 80.9 | 86.1 | 83.4 | 72.9 | 63.7 | 47.2 | 35.8 | 68.2 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1989 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 35.1 | 39.2 | 47.1 | 56.8 | 65.4 | 74.1 | 78.6 | 76.5 | 69.1 | 58.5 | 46.0 | 36.9 | 56.9 |
| Highest Mean Temperature (F) | 42.5 | 47.8 | 53.4 | 63.1 | 71.7 | 81.3 | 82.9 | 80.8 | 74.8 | 65.9 | 52.2 | 43.4 | 58.9 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1981 | 1962 | 1990 | 1966 | 1983 | 1977 | 1963 | 1965 | 1970 | 1981 |
| Lowest Mean Temperature (F) | 24.9 | 30.1 | 38.4 | 50.3 | 60.2 | 69.4 | 74.5 | 72.2 | 62.6 | 50.4 | 36.7 | 26.8 | 55.0 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1973 | 1976 | 1989 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 21.2 | 25.5 | 32.7 | 42.1 | 51.6 | 60.7 | 65.5 | 63.8 | 56.4 | 44.5 | 32.3 | 23.7 | 43.3 |
| Highest Mean Min. Temperature (F) | 26.8 | 32.1 | 38.5 | 47.6 | 57.2 | 65.8 | 69.1 | 67.4 | 61.1 | 50.6 | 38.3 | 29.6 | 45.7 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1981 | 1974 | 1990 | 1966 | 1983 | 1977 | 1963 | 1965 | 1965 | 1977 |
| Lowest Mean Min. Temperature (F) | 11.4 | 20.7 | 25.2 | 36.8 | 45.8 | 56.2 | 62.2 | 60.1 | 52.3 | 37.0 | 24.5 | 17.7 | 41.0 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1983 | 1983 | 1976 | 1979 | 1974 | 1976 | 1976 | 1983 | 1976 |
| Mean Precipitation (in.) | 0.50 | 0.61 | 0.96 | 0.99 | 2.48 | 3.70 | 2.62 | 3.22 | 1.99 | 1.37 | 0.69 | 0.43 | 19.56 |
| Highest Precipitation (in.) | 2.33 | 1.65 | 3.99 | 2.79 | 6.02 | 10.73 | 7.51 | 7.55 | 4.96 | 3.44 | 2.26 | 1.75 | 29.76 |
| Year Highest Occurred | 1968 | 1971 | 1973 | 1985 | 1988 | 1965 | 1962 | 1974 | 1985 | 1974 | 1961 | 1987 | 1962 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 0.01 | 0.00 | 0.04 | 0.14 | 0.65 | 0.28 | 0.03 | 0.08 | 0.00 | 0.00 | 9.56 |
| Year Lowest Occurred | 1986 | 1970 | 1966 | 1964 | 1984 | 1990 | 1980 | 1983 | 1977 | 1964 | 1989 | 1976 | 1970 |
| Heating Degree Days (F) | 927. | 722. | 555. | 266. | 89. | 6. | 0. | 0. | 26. | 226. | 570. | 871. | 4258. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 20. | 102. | 279. | 422. | 357. | 149. | 25. | 0. | 0. | 1354. |