| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.1 | 53.9 | 61.8 | 71.8 | 79.2 | 88.9 | 93.1 | 90.6 | 83.1 | 73.8 | 60.2 | 50.8 | 71.4 |
| Highest Mean Max. Temperature (F) | 62.7 | 62.4 | 72.0 | 79.1 | 87.9 | 95.3 | 99.1 | 95.9 | 88.6 | 82.4 | 66.8 | 59.7 | 74.9 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1981 | 1962 | 1990 | 1964 | 1983 | 1963 | 1963 | 1966 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 34.8 | 37.2 | 47.9 | 62.9 | 72.5 | 81.9 | 88.5 | 86.0 | 77.4 | 64.1 | 48.4 | 35.7 | 68.6 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1979 | 1989 | 1972 | 1974 | 1974 | 1969 | 1972 | 1983 | 1978 |
| Mean Temperature (F) | 34.2 | 38.0 | 45.3 | 55.2 | 63.3 | 73.1 | 77.9 | 75.5 | 67.8 | 57.2 | 44.7 | 35.7 | 55.7 |
| Highest Mean Temperature (F) | 44.0 | 44.9 | 52.3 | 61.8 | 68.3 | 77.9 | 82.5 | 79.8 | 72.4 | 64.1 | 48.9 | 43.4 | 57.9 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1981 | 1974 | 1990 | 1980 | 1983 | 1983 | 1963 | 1966 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 22.5 | 26.1 | 35.0 | 48.7 | 57.8 | 68.5 | 74.7 | 71.0 | 62.7 | 51.5 | 36.3 | 23.9 | 53.2 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1983 | 1982 | 1990 | 1979 | 1974 | 1969 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 18.2 | 22.1 | 28.7 | 38.5 | 47.3 | 57.3 | 62.6 | 60.4 | 52.5 | 40.4 | 29.1 | 20.6 | 39.8 |
| Highest Mean Min. Temperature (F) | 25.3 | 28.8 | 35.3 | 44.4 | 52.2 | 60.7 | 66.0 | 63.6 | 56.5 | 45.8 | 33.8 | 27.0 | 42.4 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1977 | 1981 | 1980 | 1983 | 1990 | 1963 | 1981 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 8.8 | 14.9 | 21.2 | 32.8 | 42.5 | 53.3 | 60.4 | 55.5 | 48.0 | 36.7 | 23.9 | 12.0 | 37.6 |
| Year Lowest Occurred | 1963 | 1978 | 1965 | 1983 | 1983 | 1979 | 1990 | 1979 | 1974 | 1970 | 1976 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.30 | 0.49 | 0.88 | 1.18 | 2.58 | 2.79 | 2.75 | 2.45 | 1.83 | 0.86 | 0.72 | 0.38 | 17.21 |
| Highest Precipitation (in.) | 0.87 | 2.14 | 3.14 | 3.57 | 6.84 | 8.97 | 7.04 | 6.54 | 4.45 | 4.47 | 3.16 | 0.88 | 29.77 |
| Year Highest Occurred | 1980 | 1964 | 1973 | 1980 | 1969 | 1989 | 1962 | 1986 | 1969 | 1984 | 1972 | 1983 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.02 | 0.05 | 0.12 | 0.38 | 0.35 | 0.52 | 0.10 | 0.00 | 0.00 | 0.00 | 9.60 |
| Year Lowest Occurred | 1982 | 1974 | 1964 | 1978 | 1974 | 1976 | 1983 | 1976 | 1983 | 1980 | 1989 | 1988 | 1970 |
| Heating Degree Days (F) | 955. | 756. | 611. | 306. | 120. | 8. | 0. | 0. | 32. | 254. | 609. | 908. | 4559. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 68. | 251. | 400. | 326. | 116. | 13. | 0. | 0. | 1186. |