| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.6 | 56.0 | 64.1 | 73.6 | 81.7 | 89.1 | 91.5 | 89.3 | 82.5 | 73.8 | 61.8 | 53.1 | 72.3 |
| Highest Mean Max. Temperature (F) | 59.5 | 65.1 | 72.9 | 79.5 | 89.1 | 98.8 | 97.6 | 97.7 | 90.7 | 81.3 | 68.6 | 60.6 | 74.1 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1978 | 1962 | 1990 | 1983 | 1983 | 1983 | 1963 | 1965 | 1970 | 1977 |
| Lowest Mean Max. Temperature (F) | 41.3 | 44.4 | 52.0 | 65.2 | 78.1 | 84.9 | 84.1 | 81.7 | 73.7 | 67.0 | 51.3 | 42.9 | 70.9 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1989 | 1975 | 1971 | 1974 | 1969 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 35.4 | 39.6 | 46.8 | 56.6 | 65.2 | 73.7 | 77.1 | 75.1 | 68.1 | 57.3 | 45.7 | 37.3 | 56.5 |
| Highest Mean Temperature (F) | 41.9 | 46.9 | 53.8 | 61.8 | 71.3 | 81.1 | 81.8 | 80.0 | 73.5 | 64.2 | 52.5 | 42.8 | 58.3 |
| Year Highest Occurred | 1965 | 1976 | 1967 | 1967 | 1962 | 1990 | 1966 | 1983 | 1983 | 1963 | 1965 | 1980 | 1965 |
| Lowest Mean Temperature (F) | 28.8 | 32.9 | 38.4 | 49.3 | 61.1 | 70.3 | 72.1 | 70.3 | 61.5 | 50.7 | 38.3 | 29.2 | 55.0 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1982 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1975 |
| Mean Min. Temperature (F) | 19.1 | 23.1 | 29.5 | 39.5 | 48.7 | 58.3 | 62.7 | 60.8 | 53.7 | 40.8 | 29.5 | 21.4 | 40.6 |
| Highest Mean Min. Temperature (F) | 25.3 | 28.6 | 34.6 | 45.0 | 53.6 | 63.3 | 67.9 | 63.3 | 57.2 | 47.1 | 36.3 | 26.3 | 42.9 |
| Year Highest Occurred | 1965 | 1976 | 1967 | 1963 | 1965 | 1990 | 1966 | 1963 | 1980 | 1963 | 1965 | 1984 | 1965 |
| Lowest Mean Min. Temperature (F) | 11.9 | 19.4 | 24.8 | 32.8 | 44.1 | 55.0 | 59.5 | 58.0 | 48.8 | 34.1 | 24.3 | 14.9 | 38.3 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1983 | 1976 | 1973 | 1985 | 1973 | 1975 | 1976 | 1989 | 1989 | 1988 |
| Mean Precipitation (in.) | 0.43 | 0.53 | 0.57 | 0.85 | 1.86 | 2.61 | 2.28 | 2.87 | 2.17 | 1.42 | 0.76 | 0.46 | 16.81 |
| Highest Precipitation (in.) | 1.94 | 1.77 | 2.72 | 2.10 | 6.07 | 7.15 | 8.73 | 8.98 | 4.76 | 4.81 | 2.98 | 1.82 | 24.16 |
| Year Highest Occurred | 1968 | 1978 | 1973 | 1977 | 1988 | 1963 | 1962 | 1984 | 1985 | 1974 | 1964 | 1986 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.34 | 0.00 | 0.00 | 0.15 | 0.09 | 0.00 | 0.00 | 0.00 | 10.28 |
| Year Lowest Occurred | 1986 | 1984 | 1966 | 1972 | 1970 | 1990 | 1983 | 1973 | 1977 | 1989 | 1989 | 1976 | 1983 |
| Heating Degree Days (F) | 918. | 711. | 564. | 271. | 78. | 0. | 0. | 0. | 36. | 249. | 579. | 859. | 4265. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 19. | 84. | 266. | 375. | 313. | 129. | 10. | 0. | 0. | 1196. |