| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.5 | 50.4 | 58.2 | 68.2 | 76.0 | 86.1 | 90.9 | 88.2 | 80.8 | 71.0 | 56.8 | 47.7 | 68.4 |
| Highest Mean Max. Temperature (F) | 60.7 | 57.9 | 69.5 | 75.0 | 82.5 | 96.7 | 96.2 | 94.5 | 88.8 | 77.8 | 63.6 | 55.1 | 70.8 |
| Year Highest Occurred | 1986 | 1976 | 1989 | 1981 | 1974 | 1990 | 1980 | 1988 | 1983 | 1963 | 1989 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 33.1 | 38.6 | 44.1 | 58.7 | 69.9 | 80.3 | 86.3 | 82.9 | 75.1 | 59.0 | 45.0 | 35.1 | 66.1 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1980 | 1965 | 1967 | 1981 | 1973 | 1969 | 1972 | 1983 | 1973 |
| Mean Temperature (F) | 31.8 | 35.7 | 42.4 | 52.0 | 60.6 | 70.5 | 75.6 | 73.5 | 65.8 | 55.1 | 42.3 | 33.6 | 53.2 |
| Highest Mean Temperature (F) | 42.3 | 41.6 | 50.3 | 58.2 | 65.0 | 77.5 | 79.6 | 78.0 | 71.2 | 62.2 | 47.3 | 40.3 | 55.3 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1963 | 1990 | 1980 | 1983 | 1983 | 1963 | 1965 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 21.4 | 27.5 | 31.8 | 44.9 | 56.6 | 66.0 | 72.7 | 69.6 | 61.6 | 47.1 | 33.5 | 22.3 | 51.8 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1983 | 1969 | 1961 | 1974 | 1974 | 1969 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 17.1 | 20.8 | 26.6 | 35.8 | 45.1 | 54.8 | 60.4 | 58.7 | 50.8 | 39.3 | 27.7 | 19.5 | 38.1 |
| Highest Mean Min. Temperature (F) | 23.8 | 27.0 | 33.5 | 41.3 | 49.2 | 58.7 | 62.9 | 61.5 | 55.0 | 46.5 | 32.5 | 25.4 | 40.4 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1989 | 1981 | 1980 | 1983 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 6.9 | 14.8 | 17.7 | 31.1 | 41.4 | 51.5 | 58.0 | 55.7 | 45.9 | 34.6 | 21.9 | 9.5 | 36.6 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1983 | 1969 | 1961 | 1974 | 1961 | 1976 | 1972 | 1983 | 1968 |
| Mean Precipitation (in.) | 0.38 | 0.47 | 0.94 | 1.41 | 2.71 | 2.02 | 2.45 | 1.78 | 1.37 | 0.79 | 0.73 | 0.37 | 15.42 |
| Highest Precipitation (in.) | 1.32 | 2.08 | 4.68 | 5.50 | 6.40 | 8.40 | 5.58 | 5.02 | 4.43 | 3.57 | 2.65 | 1.49 | 23.29 |
| Year Highest Occurred | 1990 | 1987 | 1973 | 1980 | 1977 | 1965 | 1990 | 1976 | 1988 | 1986 | 1975 | 1973 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.02 | 0.08 | 0.34 | 0.15 | 0.51 | 0.29 | 0.12 | 0.00 | 0.00 | 0.00 | 8.68 |
| Year Lowest Occurred | 1968 | 1972 | 1978 | 1965 | 1966 | 1970 | 1963 | 1962 | 1974 | 1975 | 1965 | 1970 | 1963 |
| Heating Degree Days (F) | 1029. | 820. | 701. | 396. | 166. | 20. | 0. | 0. | 62. | 319. | 681. | 973. | 5167. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 29. | 185. | 329. | 268. | 86. | 12. | 0. | 0. | 915. |