| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.8 | 62.1 | 69.2 | 78.4 | 86.8 | 95.4 | 94.9 | 91.5 | 86.3 | 77.9 | 66.1 | 57.5 | 76.9 |
| Highest Mean Max. Temperature (F) | 63.5 | 69.5 | 77.6 | 83.5 | 91.7 | 101.0 | 98.9 | 97.1 | 92.6 | 84.0 | 72.7 | 64.1 | 79.4 |
| Year Highest Occurred | 1969 | 1976 | 1972 | 1967 | 1963 | 1980 | 1980 | 1977 | 1977 | 1979 | 1966 | 1980 | 1977 |
| Lowest Mean Max. Temperature (F) | 50.3 | 54.7 | 62.9 | 70.2 | 81.6 | 89.9 | 89.4 | 86.1 | 83.0 | 69.4 | 60.9 | 51.9 | 74.7 |
| Year Lowest Occurred | 1985 | 1964 | 1962 | 1983 | 1987 | 1984 | 1990 | 1988 | 1972 | 1984 | 1961 | 1967 | 1987 |
| Mean Temperature (F) | 42.6 | 47.2 | 53.7 | 61.9 | 70.3 | 78.8 | 80.4 | 77.6 | 72.0 | 62.5 | 51.1 | 43.3 | 61.8 |
| Highest Mean Temperature (F) | 48.6 | 53.9 | 60.3 | 67.1 | 74.3 | 84.3 | 84.0 | 81.8 | 76.7 | 65.9 | 55.6 | 48.1 | 63.2 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1989 | 1984 | 1980 | 1980 | 1969 | 1983 | 1987 | 1966 | 1980 | 1969 |
| Lowest Mean Temperature (F) | 37.5 | 38.6 | 47.8 | 55.3 | 67.5 | 75.7 | 76.4 | 74.8 | 69.5 | 58.1 | 46.5 | 40.1 | 60.4 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1983 | 1975 | 1987 | 1976 | 1979 | 1961 | 1976 | 1976 | 1989 | 1987 |
| Mean Min. Temperature (F) | 28.3 | 32.2 | 38.1 | 45.3 | 53.8 | 62.2 | 65.9 | 63.6 | 57.8 | 47.0 | 36.2 | 29.1 | 46.6 |
| Highest Mean Min. Temperature (F) | 33.7 | 38.2 | 43.7 | 51.2 | 59.4 | 69.1 | 69.0 | 67.5 | 62.7 | 52.0 | 41.5 | 33.9 | 48.5 |
| Year Highest Occurred | 1980 | 1976 | 1974 | 1986 | 1984 | 1990 | 1980 | 1969 | 1983 | 1972 | 1978 | 1970 | 1989 |
| Lowest Mean Min. Temperature (F) | 20.1 | 22.4 | 32.6 | 39.2 | 49.8 | 58.2 | 60.5 | 60.6 | 52.8 | 41.6 | 31.5 | 22.8 | 44.0 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1973 | 1975 | 1965 | 1975 | 1968 | 1968 | 1965 | 1979 | 1963 | 1964 |
| Mean Precipitation (in.) | 0.67 | 0.54 | 0.46 | 0.26 | 0.45 | 0.90 | 2.23 | 2.41 | 1.99 | 1.30 | 0.71 | 0.82 | 12.74 |
| Highest Precipitation (in.) | 1.40 | 1.18 | 2.16 | 1.15 | 2.36 | 2.21 | 6.36 | 5.73 | 6.22 | 6.09 | 3.40 | 3.01 | 18.34 |
| Year Highest Occurred | 1983 | 1988 | 1973 | 1977 | 1976 | 1967 | 1976 | 1972 | 1975 | 1985 | 1986 | 1984 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.29 | 0.01 | 0.00 | 0.00 | 0.00 | 5.88 |
| Year Lowest Occurred | 1986 | 1984 | 1982 | 1989 | 1974 | 1964 | 1980 | 1983 | 1968 | 1982 | 1979 | 1976 | 1970 |
| Heating Degree Days (F) | 694. | 498. | 360. | 142. | 9. | 0. | 0. | 0. | 0. | 115. | 417. | 673. | 2908. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 49. | 173. | 414. | 477. | 391. | 212. | 38. | 0. | 0. | 1764. |