| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.8 | 62.8 | 70.6 | 79.3 | 86.5 | 93.8 | 94.6 | 92.6 | 86.0 | 78.2 | 67.3 | 58.7 | 77.3 |
| Highest Mean Max. Temperature (F) | 64.3 | 74.1 | 78.1 | 85.1 | 92.2 | 101.1 | 101.1 | 97.3 | 94.7 | 85.0 | 76.3 | 68.4 | 79.8 |
| Year Highest Occurred | 1986 | 1976 | 1974 | 1978 | 1962 | 1990 | 1980 | 1977 | 1977 | 1979 | 1981 | 1981 | 1977 |
| Lowest Mean Max. Temperature (F) | 49.3 | 56.6 | 61.3 | 72.2 | 81.3 | 88.8 | 89.9 | 86.2 | 76.6 | 72.3 | 57.0 | 52.6 | 75.4 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1976 | 1986 | 1976 | 1971 | 1974 | 1976 | 1961 | 1989 | 1968 |
| Mean Temperature (F) | 41.7 | 47.0 | 54.2 | 63.1 | 71.1 | 78.8 | 81.0 | 79.3 | 72.6 | 62.5 | 51.7 | 43.7 | 62.2 |
| Highest Mean Temperature (F) | 48.0 | 54.6 | 60.0 | 68.1 | 74.9 | 85.3 | 85.8 | 83.2 | 78.6 | 66.0 | 56.2 | 50.0 | 63.7 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1978 | 1974 | 1990 | 1980 | 1977 | 1977 | 1963 | 1965 | 1981 | 1977 |
| Lowest Mean Temperature (F) | 36.5 | 40.5 | 47.1 | 56.6 | 65.5 | 75.1 | 77.4 | 75.0 | 65.5 | 55.7 | 42.7 | 38.1 | 60.4 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1973 | 1976 | 1979 | 1976 | 1971 | 1974 | 1976 | 1976 | 1989 | 1976 |
| Mean Min. Temperature (F) | 26.5 | 31.1 | 37.7 | 46.8 | 55.5 | 63.6 | 67.4 | 65.9 | 59.2 | 46.8 | 36.1 | 28.6 | 47.1 |
| Highest Mean Min. Temperature (F) | 32.5 | 36.0 | 41.8 | 51.9 | 58.9 | 69.5 | 70.5 | 69.4 | 62.7 | 52.5 | 42.3 | 34.7 | 48.9 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1963 | 1984 | 1990 | 1980 | 1969 | 1990 | 1983 | 1978 | 1984 | 1990 |
| Lowest Mean Min. Temperature (F) | 19.6 | 24.4 | 32.5 | 39.6 | 49.6 | 59.8 | 64.3 | 62.6 | 53.6 | 39.1 | 25.5 | 23.5 | 44.2 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1973 | 1976 | 1973 | 1961 | 1961 | 1975 | 1976 | 1976 | 1989 | 1975 |
| Mean Precipitation (in.) | 0.37 | 0.46 | 0.34 | 0.62 | 1.16 | 1.59 | 1.76 | 2.08 | 2.67 | 1.17 | 0.64 | 0.46 | 13.32 |
| Highest Precipitation (in.) | 1.73 | 1.83 | 1.26 | 3.55 | 3.36 | 5.69 | 5.37 | 7.70 | 12.27 | 5.78 | 4.51 | 2.38 | 24.23 |
| Year Highest Occurred | 1968 | 1973 | 1968 | 1981 | 1984 | 1986 | 1975 | 1984 | 1980 | 1974 | 1978 | 1982 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 | 0.05 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 4.47 |
| Year Lowest Occurred | 1970 | 1984 | 1982 | 1986 | 1975 | 1976 | 1989 | 1973 | 1968 | 1988 | 1989 | 1981 | 1964 |
| Heating Degree Days (F) | 722. | 504. | 345. | 120. | 11. | 0. | 0. | 0. | 10. | 119. | 404. | 660. | 2895. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 63. | 200. | 414. | 496. | 443. | 238. | 41. | 5. | 0. | 1910. |