| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.9 | 57.6 | 66.0 | 75.4 | 83.1 | 90.0 | 91.9 | 89.6 | 82.9 | 74.7 | 63.2 | 54.1 | 73.5 |
| Highest Mean Max. Temperature (F) | 60.5 | 68.4 | 73.4 | 81.3 | 88.0 | 99.3 | 97.8 | 94.4 | 91.1 | 83.1 | 71.9 | 61.1 | 75.4 |
| Year Highest Occurred | 1986 | 1976 | 1974 | 1972 | 1962 | 1990 | 1966 | 1985 | 1977 | 1963 | 1965 | 1970 | 1990 |
| Lowest Mean Max. Temperature (F) | 42.1 | 44.0 | 53.8 | 68.4 | 79.5 | 85.4 | 84.1 | 83.3 | 73.7 | 67.1 | 53.3 | 43.1 | 70.6 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1972 | 1982 | 1976 | 1971 | 1974 | 1969 | 1972 | 1983 | 1968 |
| Mean Temperature (F) | 38.8 | 43.1 | 51.2 | 61.1 | 69.4 | 77.2 | 80.0 | 77.9 | 71.1 | 61.4 | 49.8 | 40.6 | 60.1 |
| Highest Mean Temperature (F) | 44.9 | 51.2 | 58.5 | 65.7 | 75.1 | 84.4 | 85.4 | 81.5 | 77.4 | 68.2 | 57.3 | 47.0 | 61.8 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1972 | 1974 | 1990 | 1966 | 1985 | 1977 | 1963 | 1965 | 1965 | 1977 |
| Lowest Mean Temperature (F) | 31.7 | 33.9 | 41.5 | 54.8 | 65.5 | 73.5 | 75.0 | 73.4 | 64.0 | 54.1 | 42.4 | 31.7 | 57.3 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1968 | 1982 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1968 |
| Mean Min. Temperature (F) | 24.6 | 28.6 | 36.4 | 46.7 | 55.8 | 64.3 | 68.0 | 66.2 | 59.4 | 48.1 | 36.5 | 27.2 | 46.8 |
| Highest Mean Min. Temperature (F) | 30.1 | 33.9 | 43.6 | 51.6 | 62.5 | 69.8 | 73.0 | 69.6 | 63.7 | 53.2 | 42.7 | 34.5 | 48.9 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1981 | 1974 | 1980 | 1966 | 1980 | 1977 | 1963 | 1965 | 1965 | 1981 |
| Lowest Mean Min. Temperature (F) | 17.3 | 23.8 | 28.7 | 40.0 | 49.9 | 59.1 | 63.3 | 62.4 | 52.0 | 40.6 | 29.1 | 20.3 | 43.9 |
| Year Lowest Occurred | 1963 | 1978 | 1965 | 1983 | 1967 | 1983 | 1968 | 1968 | 1968 | 1976 | 1976 | 1989 | 1968 |
| Mean Precipitation (in.) | 0.39 | 0.68 | 0.89 | 0.97 | 2.35 | 2.75 | 2.37 | 2.51 | 2.60 | 1.86 | 0.75 | 0.53 | 18.65 |
| Highest Precipitation (in.) | 2.75 | 2.51 | 2.95 | 3.03 | 6.79 | 7.95 | 7.20 | 8.85 | 6.90 | 10.80 | 2.67 | 1.95 | 29.19 |
| Year Highest Occurred | 1983 | 1961 | 1979 | 1966 | 1963 | 1967 | 1976 | 1966 | 1986 | 1983 | 1968 | 1982 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.01 | 0.00 | 0.04 | 0.10 | 0.00 | 0.00 | 0.32 | 0.15 | 0.00 | 0.00 | 0.00 | 12.63 |
| Year Lowest Occurred | 1986 | 1974 | 1972 | 1989 | 1962 | 1990 | 1970 | 1983 | 1984 | 1989 | 1989 | 1973 | 1970 |
| Heating Degree Days (F) | 812. | 613. | 437. | 161. | 25. | 0. | 0. | 0. | 17. | 154. | 456. | 756. | 3431. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 44. | 162. | 366. | 465. | 400. | 200. | 42. | 0. | 0. | 1689. |