| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.7 | 46.7 | 55.1 | 64.7 | 74.8 | 85.4 | 92.6 | 90.1 | 81.1 | 68.8 | 52.9 | 41.5 | 66.1 |
| Highest Mean Max. Temperature (F) | 48.5 | 55.4 | 65.5 | 73.1 | 84.0 | 94.5 | 96.5 | 95.2 | 90.3 | 77.6 | 60.6 | 51.7 | 69.9 |
| Year Highest Occurred | 1986 | 1970 | 1972 | 1977 | 1969 | 1977 | 1978 | 1969 | 1979 | 1964 | 1962 | 1980 | 1977 |
| Lowest Mean Max. Temperature (F) | 29.4 | 37.2 | 48.0 | 56.0 | 68.0 | 79.9 | 87.7 | 84.7 | 73.8 | 59.2 | 45.3 | 33.6 | 61.9 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1983 | 1980 | 1965 | 1984 | 1968 | 1986 | 1984 | 1972 | 1990 | 1984 |
| Mean Temperature (F) | 25.9 | 32.6 | 39.9 | 47.6 | 56.6 | 65.9 | 73.4 | 70.9 | 61.8 | 50.2 | 37.9 | 28.0 | 49.2 |
| Highest Mean Temperature (F) | 35.1 | 39.2 | 46.5 | 52.5 | 63.0 | 72.5 | 75.8 | 75.8 | 66.8 | 56.4 | 44.0 | 35.1 | 51.4 |
| Year Highest Occurred | 1969 | 1970 | 1978 | 1977 | 1969 | 1977 | 1977 | 1969 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 13.5 | 24.4 | 31.6 | 41.9 | 52.0 | 61.6 | 69.5 | 65.9 | 56.9 | 44.4 | 31.0 | 18.3 | 46.8 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1983 | 1965 | 1987 | 1968 | 1986 | 1969 | 1979 | 1990 | 1982 |
| Mean Min. Temperature (F) | 12.1 | 18.5 | 24.7 | 30.6 | 38.4 | 46.4 | 54.1 | 51.7 | 42.4 | 31.7 | 22.9 | 14.4 | 32.3 |
| Highest Mean Min. Temperature (F) | 22.1 | 24.4 | 32.4 | 35.8 | 43.1 | 51.5 | 56.8 | 56.4 | 48.0 | 37.1 | 28.5 | 22.0 | 35.2 |
| Year Highest Occurred | 1969 | 1986 | 1978 | 1990 | 1976 | 1988 | 1975 | 1969 | 1990 | 1972 | 1970 | 1964 | 1981 |
| Lowest Mean Min. Temperature (F) | -2.5 | 9.2 | 15.1 | 26.4 | 34.9 | 43.2 | 49.8 | 47.1 | 37.2 | 28.1 | 16.5 | 2.9 | 29.8 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1970 | 1968 | 1962 | 1962 | 1968 | 1968 | 1969 | 1979 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.67 | 0.69 | 1.11 | 1.08 | 0.95 | 0.59 | 0.70 | 0.78 | 1.08 | 0.92 | 0.83 | 0.76 | 10.16 |
| Highest Precipitation (in.) | 2.01 | 2.49 | 2.03 | 2.82 | 3.32 | 2.12 | 1.89 | 2.45 | 2.67 | 2.34 | 2.30 | 2.48 | 14.39 |
| Year Highest Occurred | 1980 | 1962 | 1983 | 1968 | 1980 | 1984 | 1965 | 1972 | 1980 | 1971 | 1985 | 1966 | 1973 |
| Lowest Precipitation (in.) | 0.04 | 0.07 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.14 | 0.08 | 0.04 | 5.91 |
| Year Lowest Occurred | 1990 | 1967 | 1972 | 1982 | 1974 | 1980 | 1968 | 1985 | 1987 | 1964 | 1976 | 1976 | 1989 |
| Heating Degree Days (F) | 1212. | 907. | 778. | 522. | 271. | 68. | 0. | 8. | 140. | 459. | 813. | 1147. | 6325. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 95. | 260. | 191. | 44. | 0. | 0. | 0. | 601. |