| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.3 | 46.7 | 53.3 | 61.2 | 71.1 | 80.6 | 89.3 | 87.8 | 79.0 | 66.6 | 51.1 | 41.3 | 64.0 |
| Highest Mean Max. Temperature (F) | 47.5 | 55.8 | 60.4 | 69.2 | 77.7 | 86.6 | 93.0 | 93.4 | 84.5 | 76.4 | 58.0 | 47.1 | 66.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1977 | 1966 | 1977 | 1988 | 1967 | 1979 | 1964 | 1976 | 1981 | 1981 |
| Lowest Mean Max. Temperature (F) | 33.0 | 36.5 | 47.1 | 47.7 | 61.3 | 74.4 | 81.8 | 79.1 | 68.2 | 59.3 | 42.5 | 34.3 | 60.9 |
| Year Lowest Occurred | 1972 | 1989 | 1975 | 1967 | 1977 | 1964 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1982 |
| Mean Temperature (F) | 30.0 | 35.4 | 40.9 | 46.7 | 54.9 | 63.2 | 69.7 | 68.2 | 60.3 | 50.2 | 39.1 | 30.9 | 49.1 |
| Highest Mean Temperature (F) | 38.0 | 44.2 | 46.8 | 53.9 | 59.5 | 68.4 | 74.1 | 72.4 | 64.2 | 55.6 | 43.0 | 37.9 | 51.0 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1977 | 1988 | 1967 | 1963 | 1988 | 1962 | 1981 | 1981 |
| Lowest Mean Temperature (F) | 21.8 | 25.9 | 37.0 | 38.8 | 48.2 | 58.7 | 63.8 | 60.8 | 53.9 | 45.6 | 31.7 | 21.4 | 47.0 |
| Year Lowest Occurred | 1972 | 1989 | 1985 | 1967 | 1977 | 1980 | 1983 | 1976 | 1986 | 1981 | 1985 | 1990 | 1982 |
| Mean Min. Temperature (F) | 19.6 | 24.1 | 28.4 | 32.3 | 38.7 | 45.7 | 49.9 | 48.5 | 41.5 | 33.7 | 26.9 | 20.4 | 34.1 |
| Highest Mean Min. Temperature (F) | 28.4 | 32.6 | 33.8 | 39.0 | 42.6 | 50.1 | 55.2 | 52.0 | 46.6 | 39.8 | 33.9 | 28.7 | 36.0 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1987 | 1977 | 1988 | 1988 | 1963 | 1979 | 1973 | 1981 | 1983 |
| Lowest Mean Min. Temperature (F) | 10.6 | 13.9 | 23.1 | 27.6 | 35.1 | 40.4 | 45.6 | 42.5 | 37.8 | 28.9 | 20.8 | 8.4 | 30.6 |
| Year Lowest Occurred | 1972 | 1990 | 1976 | 1976 | 1977 | 1976 | 1963 | 1976 | 1964 | 1976 | 1985 | 1990 | 1976 |
| Mean Precipitation (in.) | 2.52 | 1.81 | 1.46 | 0.61 | 0.77 | 0.62 | 0.30 | 0.25 | 0.46 | 1.24 | 2.02 | 2.24 | 14.30 |
| Highest Precipitation (in.) | 7.79 | 7.51 | 4.05 | 2.06 | 3.35 | 2.56 | 1.49 | 1.67 | 2.41 | 12.26 | 6.99 | 11.12 | 24.79 |
| Year Highest Occurred | 1969 | 1986 | 1967 | 1963 | 1971 | 1967 | 1979 | 1976 | 1982 | 1962 | 1981 | 1964 | 1962 |
| Lowest Precipitation (in.) | 0.11 | 0.06 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 5.33 |
| Year Lowest Occurred | 1984 | 1964 | 1990 | 1973 | 1984 | 1985 | 1989 | 1987 | 1988 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 1085. | 829. | 747. | 549. | 319. | 109. | 22. | 38. | 170. | 459. | 777. | 1057. | 6161. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 55. | 167. | 137. | 29. | 0. | 0. | 0. | 393. |