| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.4 | 55.1 | 60.4 | 68.8 | 77.3 | 86.8 | 87.0 | 84.0 | 79.2 | 70.9 | 59.6 | 52.1 | 69.4 |
| Highest Mean Max. Temperature (F) | 61.5 | 61.3 | 69.3 | 77.5 | 82.8 | 96.6 | 92.5 | 88.3 | 83.0 | 78.6 | 63.4 | 59.8 | 73.3 |
| Year Highest Occurred | 1986 | 1989 | 1972 | 1989 | 1989 | 1990 | 1978 | 1969 | 1983 | 1979 | 1989 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 44.0 | 49.1 | 53.2 | 60.7 | 74.3 | 82.4 | 82.7 | 79.7 | 75.7 | 64.5 | 52.9 | 46.1 | 67.5 |
| Year Lowest Occurred | 1979 | 1966 | 1962 | 1983 | 1980 | 1965 | 1962 | 1968 | 1975 | 1984 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 38.0 | 41.1 | 45.6 | 52.7 | 60.6 | 70.2 | 72.8 | 70.3 | 65.2 | 56.3 | 45.6 | 39.0 | 54.8 |
| Highest Mean Temperature (F) | 45.0 | 45.4 | 52.7 | 60.0 | 66.6 | 75.8 | 76.9 | 74.6 | 70.0 | 61.6 | 48.9 | 43.5 | 56.7 |
| Year Highest Occurred | 1986 | 1989 | 1972 | 1989 | 1984 | 1990 | 1978 | 1969 | 1983 | 1988 | 1981 | 1981 | 1989 |
| Lowest Mean Temperature (F) | 31.3 | 31.9 | 39.9 | 47.0 | 57.9 | 65.3 | 69.6 | 66.4 | 60.6 | 52.1 | 39.7 | 35.0 | 52.4 |
| Year Lowest Occurred | 1966 | 1966 | 1962 | 1983 | 1971 | 1965 | 1962 | 1966 | 1961 | 1976 | 1972 | 1967 | 1964 |
| Mean Min. Temperature (F) | 24.6 | 26.9 | 30.7 | 36.5 | 43.9 | 53.4 | 58.5 | 56.5 | 51.2 | 41.7 | 31.7 | 25.8 | 40.1 |
| Highest Mean Min. Temperature (F) | 30.0 | 35.7 | 36.1 | 42.4 | 50.7 | 58.1 | 61.3 | 60.9 | 57.0 | 46.4 | 36.3 | 31.5 | 42.7 |
| Year Highest Occurred | 1969 | 1979 | 1972 | 1989 | 1984 | 1981 | 1978 | 1969 | 1983 | 1988 | 1978 | 1961 | 1978 |
| Lowest Mean Min. Temperature (F) | 16.8 | 14.6 | 25.6 | 31.4 | 37.8 | 48.1 | 52.1 | 50.4 | 44.5 | 35.2 | 24.9 | 21.0 | 37.2 |
| Year Lowest Occurred | 1966 | 1966 | 1965 | 1981 | 1990 | 1965 | 1961 | 1966 | 1980 | 1989 | 1979 | 1968 | 1964 |
| Mean Precipitation (in.) | 0.78 | 0.59 | 0.49 | 0.20 | 0.39 | 0.85 | 3.48 | 3.21 | 2.20 | 1.44 | 0.88 | 1.18 | 15.69 |
| Highest Precipitation (in.) | 2.38 | 1.71 | 1.36 | 1.54 | 1.41 | 3.63 | 8.05 | 5.47 | 6.48 | 6.00 | 3.32 | 3.99 | 25.85 |
| Year Highest Occurred | 1975 | 1983 | 1968 | 1988 | 1976 | 1966 | 1988 | 1968 | 1975 | 1972 | 1986 | 1984 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.87 | 0.60 | 0.28 | 0.00 | 0.00 | 0.00 | 8.39 |
| Year Lowest Occurred | 1986 | 1984 | 1971 | 1989 | 1988 | 1983 | 1980 | 1962 | 1973 | 1979 | 1989 | 1981 | 1980 |
| Heating Degree Days (F) | 837. | 669. | 601. | 373. | 155. | 21. | 0. | 11. | 61. | 276. | 582. | 806. | 4392. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 177. | 244. | 176. | 67. | 7. | 0. | 0. | 690. |