| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.7 | 48.4 | 57.4 | 65.2 | 73.2 | 81.5 | 89.0 | 88.5 | 79.4 | 66.7 | 51.0 | 41.4 | 65.2 |
| Highest Mean Max. Temperature (F) | 51.3 | 55.5 | 61.6 | 72.0 | 77.5 | 90.7 | 95.1 | 96.5 | 87.1 | 72.9 | 56.3 | 48.1 | 68.7 |
| Year Highest Occurred | 1967 | 1967 | 1968 | 1977 | 1966 | 1961 | 1961 | 1961 | 1967 | 1988 | 1990 | 1974 | 1967 |
| Lowest Mean Max. Temperature (F) | 25.4 | 34.9 | 52.9 | 59.6 | 67.8 | 75.0 | 83.6 | 83.2 | 72.7 | 63.2 | 36.9 | 27.0 | 61.7 |
| Year Lowest Occurred | 1979 | 1989 | 1962 | 1975 | 1962 | 1971 | 1986 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 33.7 | 39.3 | 46.0 | 52.7 | 60.1 | 67.8 | 74.1 | 73.9 | 65.0 | 53.8 | 42.7 | 34.6 | 53.6 |
| Highest Mean Temperature (F) | 43.4 | 45.9 | 49.6 | 57.2 | 64.1 | 74.8 | 79.3 | 79.8 | 72.2 | 58.7 | 47.2 | 41.1 | 56.6 |
| Year Highest Occurred | 1967 | 1961 | 1983 | 1987 | 1987 | 1961 | 1961 | 1967 | 1967 | 1988 | 1990 | 1974 | 1967 |
| Lowest Mean Temperature (F) | 18.6 | 27.0 | 42.6 | 48.1 | 56.4 | 63.5 | 69.6 | 70.0 | 60.0 | 51.2 | 29.2 | 22.6 | 50.4 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1977 | 1981 | 1986 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 26.7 | 30.1 | 34.6 | 40.2 | 47.0 | 53.9 | 59.2 | 59.2 | 50.5 | 40.9 | 34.3 | 27.9 | 42.0 |
| Highest Mean Min. Temperature (F) | 35.5 | 38.2 | 39.2 | 43.9 | 50.7 | 58.8 | 63.5 | 63.4 | 57.3 | 45.2 | 39.3 | 34.7 | 44.5 |
| Year Highest Occurred | 1967 | 1961 | 1983 | 1965 | 1987 | 1961 | 1961 | 1971 | 1967 | 1979 | 1983 | 1973 | 1967 |
| Lowest Mean Min. Temperature (F) | 11.7 | 19.1 | 30.5 | 34.6 | 43.5 | 48.8 | 55.6 | 55.5 | 46.0 | 36.6 | 21.5 | 18.1 | 39.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1972 | 1978 | 1976 | 1986 | 1964 | 1983 | 1978 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.13 | 0.90 | 0.97 | 0.68 | 0.82 | 0.61 | 0.21 | 0.45 | 0.47 | 0.67 | 1.35 | 1.45 | 9.71 |
| Highest Precipitation (in.) | 3.15 | 1.97 | 2.54 | 2.22 | 2.31 | 1.39 | 0.83 | 2.59 | 1.90 | 2.28 | 3.70 | 4.18 | 14.01 |
| Year Highest Occurred | 1970 | 1961 | 1989 | 1978 | 1962 | 1984 | 1966 | 1978 | 1982 | 1982 | 1973 | 1964 | 1978 |
| Lowest Precipitation (in.) | 0.15 | 0.04 | 0.04 | 0.02 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.24 | 4.62 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1973 | 1964 | 1986 | 1988 | 1988 | 1990 | 1987 | 1976 | 1965 | 1967 |
| Heating Degree Days (F) | 970. | 720. | 589. | 369. | 163. | 46. | 0. | 8. | 100. | 347. | 669. | 942. | 4923. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 130. | 287. | 284. | 100. | 0. | 0. | 0. | 812. |