| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.8 | 45.8 | 53.0 | 63.2 | 72.4 | 82.6 | 89.1 | 86.3 | 77.4 | 66.6 | 50.8 | 41.0 | 64.0 |
| Highest Mean Max. Temperature (F) | 48.8 | 56.6 | 63.4 | 70.6 | 78.9 | 89.1 | 93.3 | 90.6 | 84.4 | 73.8 | 58.3 | 53.9 | 67.6 |
| Year Highest Occurred | 1981 | 1970 | 1986 | 1981 | 1974 | 1977 | 1964 | 1983 | 1977 | 1963 | 1981 | 1980 | 1977 |
| Lowest Mean Max. Temperature (F) | 26.3 | 33.0 | 41.2 | 54.9 | 66.3 | 75.4 | 84.2 | 83.2 | 65.3 | 53.0 | 38.7 | 26.3 | 61.2 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1984 | 1983 | 1967 | 1990 | 1963 | 1965 | 1969 | 1985 | 1983 | 1961 |
| Mean Temperature (F) | 26.1 | 32.0 | 39.0 | 48.6 | 58.0 | 67.5 | 73.5 | 70.8 | 61.5 | 50.6 | 37.3 | 27.8 | 49.4 |
| Highest Mean Temperature (F) | 33.7 | 39.0 | 47.1 | 54.9 | 62.7 | 72.8 | 77.0 | 75.1 | 66.7 | 56.6 | 43.1 | 38.5 | 52.1 |
| Year Highest Occurred | 1981 | 1970 | 1986 | 1981 | 1974 | 1977 | 1966 | 1983 | 1990 | 1963 | 1981 | 1980 | 1977 |
| Lowest Mean Temperature (F) | 11.2 | 21.5 | 27.7 | 42.5 | 53.2 | 62.3 | 70.5 | 67.2 | 52.8 | 41.4 | 27.3 | 16.2 | 47.0 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1983 | 1967 | 1990 | 1967 | 1965 | 1969 | 1985 | 1983 | 1961 |
| Mean Min. Temperature (F) | 12.3 | 18.2 | 24.8 | 34.0 | 43.5 | 52.4 | 57.9 | 55.2 | 45.7 | 34.6 | 23.8 | 14.5 | 34.7 |
| Highest Mean Min. Temperature (F) | 19.8 | 24.5 | 30.8 | 39.2 | 47.1 | 56.7 | 60.7 | 59.5 | 51.6 | 39.3 | 27.9 | 23.0 | 37.4 |
| Year Highest Occurred | 1983 | 1987 | 1986 | 1981 | 1977 | 1988 | 1966 | 1983 | 1990 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -4.0 | 9.9 | 14.2 | 27.4 | 39.8 | 49.1 | 56.0 | 50.7 | 40.3 | 29.7 | 15.8 | 6.0 | 32.7 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1968 | 1968 | 1982 | 1967 | 1967 | 1965 | 1969 | 1985 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.43 | 0.33 | 1.09 | 1.54 | 2.56 | 2.03 | 1.47 | 1.18 | 1.32 | 0.87 | 0.70 | 0.45 | 13.97 |
| Highest Precipitation (in.) | 1.44 | 1.52 | 4.13 | 3.41 | 5.36 | 3.99 | 3.73 | 3.89 | 3.61 | 4.46 | 2.29 | 1.11 | 22.17 |
| Year Highest Occurred | 1980 | 1987 | 1990 | 1983 | 1981 | 1962 | 1961 | 1979 | 1966 | 1969 | 1983 | 1979 | 1979 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.09 | 0.11 | 0.10 | 0.21 | 0.06 | 0.12 | 0.00 | 0.03 | 0.00 | 0.00 | 7.71 |
| Year Lowest Occurred | 1966 | 1977 | 1978 | 1962 | 1974 | 1990 | 1966 | 1973 | 1978 | 1988 | 1965 | 1974 | 1964 |
| Heating Degree Days (F) | 1206. | 924. | 806. | 492. | 231. | 52. | 0. | 7. | 158. | 446. | 831. | 1153. | 6306. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 127. | 264. | 187. | 53. | 0. | 0. | 0. | 645. |