| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.9 | 55.0 | 64.4 | 74.3 | 81.8 | 89.9 | 95.8 | 94.9 | 85.9 | 75.7 | 63.2 | 52.3 | 73.6 |
| Highest Mean Max. Temperature (F) | 58.4 | 68.7 | 72.9 | 79.1 | 86.1 | 96.0 | 104.8 | 101.0 | 91.9 | 87.6 | 69.0 | 61.8 | 76.1 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1972 | 1974 | 1990 | 1980 | 1980 | 1977 | 1963 | 1965 | 1970 | 1963 |
| Lowest Mean Max. Temperature (F) | 35.7 | 39.5 | 53.5 | 67.6 | 77.2 | 84.5 | 91.2 | 87.8 | 77.3 | 68.5 | 56.4 | 38.3 | 71.6 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1961 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1961 |
| Mean Temperature (F) | 36.8 | 41.9 | 51.3 | 61.9 | 70.0 | 78.3 | 83.5 | 82.3 | 74.0 | 62.6 | 50.6 | 39.9 | 61.1 |
| Highest Mean Temperature (F) | 44.3 | 51.9 | 57.2 | 66.9 | 74.3 | 83.8 | 89.8 | 87.4 | 78.7 | 71.1 | 57.1 | 47.4 | 62.9 |
| Year Highest Occurred | 1990 | 1976 | 1967 | 1967 | 1974 | 1990 | 1980 | 1983 | 1977 | 1963 | 1965 | 1965 | 1977 |
| Lowest Mean Temperature (F) | 26.7 | 29.8 | 41.1 | 56.8 | 65.4 | 73.6 | 79.9 | 77.9 | 66.7 | 55.9 | 45.4 | 28.6 | 59.4 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1976 | 1982 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1979 |
| Mean Min. Temperature (F) | 23.7 | 28.7 | 38.0 | 49.4 | 58.2 | 66.7 | 71.0 | 69.7 | 61.9 | 49.5 | 38.0 | 27.4 | 48.5 |
| Highest Mean Min. Temperature (F) | 30.3 | 36.6 | 43.2 | 56.1 | 62.5 | 71.5 | 74.8 | 74.4 | 66.6 | 54.5 | 45.2 | 34.7 | 50.8 |
| Year Highest Occurred | 1990 | 1987 | 1973 | 1967 | 1974 | 1990 | 1980 | 1983 | 1972 | 1963 | 1965 | 1965 | 1986 |
| Lowest Mean Min. Temperature (F) | 16.8 | 20.0 | 27.6 | 43.5 | 53.5 | 60.3 | 67.7 | 66.6 | 55.8 | 43.3 | 31.6 | 18.1 | 46.6 |
| Year Lowest Occurred | 1963 | 1978 | 1965 | 1983 | 1976 | 1982 | 1961 | 1978 | 1975 | 1976 | 1979 | 1989 | 1979 |
| Mean Precipitation (in.) | 1.06 | 1.31 | 2.13 | 2.43 | 4.92 | 3.62 | 1.90 | 2.21 | 3.66 | 2.98 | 1.80 | 1.25 | 29.27 |
| Highest Precipitation (in.) | 3.42 | 4.61 | 6.34 | 5.57 | 16.33 | 12.50 | 8.41 | 8.19 | 7.81 | 11.96 | 5.42 | 5.75 | 44.89 |
| Year Highest Occurred | 1973 | 1990 | 1985 | 1990 | 1982 | 1962 | 1990 | 1971 | 1961 | 1983 | 1964 | 1984 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.07 | 0.00 | 0.10 | 0.27 | 0.61 | 0.00 | 0.15 | 0.36 | 0.16 | 0.00 | 0.00 | 18.04 |
| Year Lowest Occurred | 1986 | 1967 | 1971 | 1989 | 1984 | 1988 | 1983 | 1962 | 1979 | 1978 | 1965 | 1977 | 1966 |
| Heating Degree Days (F) | 874. | 647. | 434. | 139. | 15. | 0. | 0. | 0. | 8. | 130. | 432. | 778. | 3457. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 46. | 170. | 399. | 574. | 536. | 278. | 56. | 0. | 0. | 2069. |