| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.8 | 47.1 | 53.4 | 59.8 | 67.9 | 76.4 | 84.2 | 83.9 | 75.5 | 63.7 | 48.6 | 41.1 | 61.9 |
| Highest Mean Max. Temperature (F) | 47.7 | 53.3 | 58.6 | 67.6 | 73.1 | 83.1 | 88.7 | 92.1 | 82.6 | 72.6 | 54.3 | 49.4 | 64.5 |
| Year Highest Occurred | 1971 | 1963 | 1986 | 1977 | 1969 | 1986 | 1985 | 1967 | 1967 | 1988 | 1989 | 1980 | 1967 |
| Lowest Mean Max. Temperature (F) | 25.0 | 36.3 | 48.4 | 53.1 | 61.3 | 70.7 | 78.4 | 78.2 | 68.3 | 57.8 | 36.9 | 28.0 | 59.4 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1977 | 1980 | 1963 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 32.1 | 36.7 | 40.6 | 45.2 | 51.9 | 59.4 | 64.8 | 64.5 | 57.5 | 48.4 | 38.7 | 32.4 | 47.7 |
| Highest Mean Temperature (F) | 38.8 | 41.9 | 45.6 | 51.6 | 55.6 | 64.5 | 68.5 | 69.1 | 63.3 | 55.1 | 42.3 | 39.7 | 49.1 |
| Year Highest Occurred | 1971 | 1963 | 1986 | 1990 | 1969 | 1986 | 1985 | 1967 | 1963 | 1988 | 1976 | 1980 | 1967 |
| Lowest Mean Temperature (F) | 14.3 | 25.1 | 37.5 | 40.2 | 47.8 | 55.0 | 60.6 | 60.7 | 52.7 | 44.6 | 27.0 | 19.7 | 45.0 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1977 | 1976 | 1963 | 1975 | 1985 | 1971 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 23.3 | 26.3 | 27.7 | 30.5 | 35.9 | 42.2 | 45.3 | 44.9 | 39.4 | 33.1 | 28.9 | 23.5 | 33.4 |
| Highest Mean Min. Temperature (F) | 29.8 | 33.2 | 33.6 | 36.2 | 38.6 | 45.8 | 49.6 | 50.2 | 46.1 | 38.2 | 33.6 | 30.4 | 35.2 |
| Year Highest Occurred | 1971 | 1983 | 1983 | 1990 | 1987 | 1986 | 1975 | 1977 | 1963 | 1979 | 1983 | 1973 | 1983 |
| Lowest Mean Min. Temperature (F) | 3.6 | 13.8 | 21.3 | 25.8 | 33.3 | 37.5 | 42.7 | 40.5 | 33.9 | 29.2 | 17.1 | 11.4 | 30.5 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1968 | 1965 | 1976 | 1963 | 1980 | 1965 | 1969 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.32 | 0.86 | 0.84 | 0.68 | 0.76 | 0.76 | 0.37 | 0.58 | 0.47 | 0.65 | 1.54 | 1.39 | 10.22 |
| Highest Precipitation (in.) | 2.76 | 3.00 | 2.25 | 2.08 | 2.19 | 3.54 | 2.64 | 2.90 | 1.69 | 2.26 | 4.97 | 5.77 | 17.05 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1962 | 1969 | 1987 | 1976 | 1982 | 1962 | 1984 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.11 | 0.00 | 0.00 | 0.03 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.02 | 6.13 |
| Year Lowest Occurred | 1985 | 1965 | 1968 | 1977 | 1964 | 1974 | 1988 | 1988 | 1975 | 1988 | 1990 | 1976 | 1985 |
| Heating Degree Days (F) | 1020. | 792. | 756. | 594. | 406. | 184. | 65. | 90. | 244. | 515. | 789. | 1011. | 6466. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 16. | 59. | 75. | 19. | 0. | 0. | 0. | 169. |