| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.1 | 51.7 | 56.3 | 63.7 | 72.9 | 83.1 | 91.9 | 89.6 | 79.5 | 68.6 | 53.8 | 45.5 | 66.8 |
| Highest Mean Max. Temperature (F) | 53.2 | 59.5 | 65.3 | 72.5 | 81.0 | 88.1 | 96.8 | 96.7 | 85.8 | 79.1 | 61.0 | 52.3 | 69.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1962 | 1966 | 1961 | 1961 | 1970 | 1987 | 1988 | 1986 | 1989 | 1988 |
| Lowest Mean Max. Temperature (F) | 37.3 | 43.2 | 50.6 | 51.7 | 62.3 | 78.2 | 86.8 | 81.4 | 72.6 | 60.1 | 46.6 | 37.5 | 63.1 |
| Year Lowest Occurred | 1972 | 1989 | 1975 | 1967 | 1977 | 1967 | 1987 | 1976 | 1986 | 1984 | 1985 | 1978 | 1982 |
| Mean Temperature (F) | 32.9 | 38.0 | 42.8 | 48.6 | 56.5 | 65.1 | 71.6 | 69.6 | 60.4 | 50.8 | 40.3 | 32.7 | 50.8 |
| Highest Mean Temperature (F) | 40.3 | 44.6 | 48.7 | 54.8 | 62.2 | 70.6 | 75.2 | 73.6 | 65.4 | 58.4 | 45.3 | 39.0 | 53.0 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1966 | 1977 | 1988 | 1970 | 1990 | 1988 | 1970 | 1981 | 1988 |
| Lowest Mean Temperature (F) | 25.5 | 30.8 | 38.7 | 41.4 | 50.0 | 61.3 | 67.2 | 64.2 | 54.8 | 45.2 | 34.8 | 24.9 | 48.5 |
| Year Lowest Occurred | 1972 | 1990 | 1985 | 1975 | 1977 | 1965 | 1983 | 1976 | 1965 | 1969 | 1985 | 1978 | 1982 |
| Mean Min. Temperature (F) | 20.7 | 24.2 | 29.2 | 33.3 | 40.1 | 46.9 | 51.3 | 49.6 | 41.3 | 32.9 | 26.7 | 19.9 | 34.7 |
| Highest Mean Min. Temperature (F) | 27.9 | 31.3 | 36.9 | 39.2 | 44.8 | 54.5 | 55.5 | 53.8 | 47.2 | 38.4 | 33.4 | 30.4 | 36.6 |
| Year Highest Occurred | 1980 | 1986 | 1978 | 1990 | 1987 | 1977 | 1990 | 1988 | 1990 | 1979 | 1970 | 1983 | 1987 |
| Lowest Mean Min. Temperature (F) | 13.6 | 17.1 | 24.8 | 29.2 | 36.3 | 43.3 | 44.9 | 46.0 | 35.8 | 28.9 | 19.6 | 10.9 | 32.5 |
| Year Lowest Occurred | 1972 | 1990 | 1976 | 1975 | 1983 | 1983 | 1981 | 1981 | 1970 | 1971 | 1975 | 1976 | 1976 |
| Mean Precipitation (in.) | 1.07 | 0.99 | 0.71 | 0.38 | 0.69 | 0.46 | 0.28 | 0.32 | 0.39 | 0.38 | 0.87 | 0.99 | 7.53 |
| Highest Precipitation (in.) | 4.13 | 4.84 | 1.93 | 1.35 | 2.89 | 1.53 | 1.06 | 1.65 | 2.31 | 1.65 | 3.08 | 2.97 | 13.23 |
| Year Highest Occurred | 1969 | 1986 | 1967 | 1983 | 1963 | 1989 | 1971 | 1965 | 1982 | 1982 | 1983 | 1971 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 3.27 |
| Year Lowest Occurred | 1966 | 1967 | 1988 | 1985 | 1985 | 1981 | 1989 | 1969 | 1979 | 1966 | 1986 | 1989 | 1966 |
| Heating Degree Days (F) | 995. | 756. | 688. | 492. | 274. | 76. | 13. | 20. | 178. | 440. | 741. | 1001. | 5674. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 79. | 217. | 162. | 40. | 0. | 0. | 0. | 508. |