| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.7 | 56.1 | 58.1 | 61.5 | 66.7 | 72.3 | 77.5 | 78.8 | 76.4 | 68.4 | 57.8 | 52.4 | 64.9 |
| Highest Mean Max. Temperature (F) | 59.5 | 64.2 | 63.4 | 69.7 | 70.5 | 76.7 | 83.1 | 84.9 | 82.1 | 75.9 | 63.0 | 57.5 | 67.2 |
| Year Highest Occurred | 1981 | 1963 | 1965 | 1989 | 1973 | 1986 | 1985 | 1967 | 1974 | 1987 | 1976 | 1962 | 1987 |
| Lowest Mean Max. Temperature (F) | 45.9 | 49.7 | 53.5 | 55.6 | 60.0 | 67.2 | 73.2 | 74.8 | 71.4 | 63.6 | 51.1 | 46.1 | 61.9 |
| Year Lowest Occurred | 1969 | 1969 | 1971 | 1967 | 1962 | 1980 | 1983 | 1976 | 1977 | 1971 | 1985 | 1990 | 1971 |
| Mean Temperature (F) | 43.5 | 46.0 | 47.8 | 50.6 | 55.2 | 60.3 | 64.2 | 64.7 | 61.6 | 55.5 | 48.3 | 43.8 | 53.5 |
| Highest Mean Temperature (F) | 48.3 | 53.5 | 52.2 | 56.0 | 58.7 | 63.4 | 67.5 | 67.8 | 65.0 | 60.1 | 51.8 | 47.6 | 55.1 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1989 | 1987 | 1986 | 1985 | 1967 | 1990 | 1988 | 1976 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 40.0 | 39.2 | 44.6 | 46.0 | 52.2 | 57.4 | 61.9 | 61.8 | 57.9 | 51.5 | 42.9 | 37.4 | 51.6 |
| Year Lowest Occurred | 1969 | 1989 | 1985 | 1975 | 1977 | 1976 | 1962 | 1973 | 1970 | 1971 | 1985 | 1990 | 1971 |
| Mean Min. Temperature (F) | 34.2 | 35.9 | 37.5 | 39.6 | 43.6 | 48.4 | 50.8 | 50.5 | 46.8 | 42.4 | 38.7 | 35.1 | 42.0 |
| Highest Mean Min. Temperature (F) | 39.0 | 42.7 | 41.6 | 43.1 | 47.1 | 52.5 | 53.5 | 54.3 | 51.5 | 48.1 | 42.0 | 39.7 | 43.5 |
| Year Highest Occurred | 1970 | 1963 | 1972 | 1990 | 1987 | 1969 | 1990 | 1977 | 1990 | 1988 | 1983 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 27.4 | 28.3 | 34.2 | 36.0 | 41.0 | 44.2 | 48.5 | 46.7 | 41.5 | 37.3 | 33.4 | 28.6 | 40.6 |
| Year Lowest Occurred | 1963 | 1989 | 1969 | 1975 | 1982 | 1976 | 1977 | 1969 | 1970 | 1974 | 1978 | 1990 | 1985 |
| Mean Precipitation (in.) | 9.67 | 7.66 | 7.90 | 4.74 | 2.62 | 1.02 | 0.30 | 0.73 | 1.71 | 3.82 | 9.39 | 10.43 | 59.99 |
| Highest Precipitation (in.) | 18.91 | 15.84 | 14.56 | 12.13 | 8.17 | 2.85 | 1.72 | 2.62 | 6.95 | 10.22 | 26.99 | 25.53 | 85.46 |
| Year Highest Occurred | 1970 | 1983 | 1961 | 1982 | 1963 | 1963 | 1983 | 1976 | 1986 | 1962 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.85 | 1.01 | 0.66 | 0.97 | 0.13 | 0.08 | 0.00 | 0.00 | 0.00 | 0.08 | 1.85 | 1.45 | 31.69 |
| Year Lowest Occurred | 1985 | 1988 | 1965 | 1987 | 1982 | 1987 | 1977 | 1988 | 1975 | 1987 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 667. | 532. | 533. | 432. | 304. | 147. | 58. | 54. | 123. | 295. | 501. | 657. | 4303. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 6. | 33. | 45. | 21. | 0. | 0. | 0. | 105. |