| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.0 | 45.8 | 52.1 | 62.6 | 72.0 | 82.3 | 89.7 | 87.2 | 77.7 | 66.3 | 51.0 | 40.8 | 64.0 |
| Highest Mean Max. Temperature (F) | 49.6 | 54.4 | 60.6 | 69.9 | 79.8 | 88.7 | 96.7 | 91.2 | 83.2 | 74.2 | 57.3 | 51.8 | 66.5 |
| Year Highest Occurred | 1967 | 1970 | 1972 | 1981 | 1966 | 1980 | 1964 | 1970 | 1977 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 27.1 | 32.0 | 42.8 | 52.1 | 65.3 | 75.4 | 83.2 | 83.8 | 68.3 | 51.1 | 39.2 | 25.1 | 61.5 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1984 | 1983 | 1969 | 1990 | 1989 | 1965 | 1969 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 24.6 | 30.5 | 36.7 | 46.4 | 55.6 | 65.3 | 72.2 | 69.8 | 60.4 | 49.1 | 35.5 | 25.9 | 47.7 |
| Highest Mean Temperature (F) | 32.5 | 36.5 | 44.1 | 52.9 | 59.8 | 69.8 | 76.8 | 73.1 | 65.7 | 55.9 | 40.8 | 36.0 | 49.8 |
| Year Highest Occurred | 1983 | 1976 | 1986 | 1981 | 1963 | 1977 | 1964 | 1969 | 1963 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 13.3 | 19.4 | 27.9 | 39.7 | 51.5 | 60.9 | 68.9 | 66.2 | 53.8 | 39.4 | 27.7 | 13.4 | 46.1 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1990 | 1967 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 9.3 | 15.1 | 21.2 | 30.1 | 39.2 | 48.3 | 54.7 | 52.4 | 43.0 | 31.9 | 20.0 | 10.9 | 31.3 |
| Highest Mean Min. Temperature (F) | 19.3 | 21.4 | 27.8 | 35.9 | 44.6 | 52.7 | 58.5 | 56.9 | 49.1 | 38.9 | 24.2 | 20.2 | 33.4 |
| Year Highest Occurred | 1983 | 1987 | 1986 | 1981 | 1987 | 1977 | 1977 | 1983 | 1990 | 1968 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | -1.4 | 6.7 | 12.9 | 24.6 | 32.6 | 43.5 | 51.2 | 48.2 | 38.3 | 26.9 | 14.6 | 1.6 | 29.3 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1966 | 1976 | 1976 | 1986 | 1967 | 1974 | 1976 | 1979 | 1983 | 1966 |
| Mean Precipitation (in.) | 0.29 | 0.18 | 0.81 | 1.24 | 2.27 | 2.23 | 2.65 | 1.77 | 1.27 | 0.63 | 0.39 | 0.28 | 14.01 |
| Highest Precipitation (in.) | 1.16 | 0.88 | 2.76 | 2.93 | 5.99 | 4.53 | 5.36 | 4.72 | 3.33 | 3.02 | 1.37 | 1.70 | 20.85 |
| Year Highest Occurred | 1980 | 1987 | 1990 | 1977 | 1987 | 1962 | 1989 | 1983 | 1990 | 1969 | 1979 | 1978 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.13 | 0.00 | 0.00 | 0.70 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 6.74 |
| Year Lowest Occurred | 1983 | 1977 | 1966 | 1982 | 1974 | 1980 | 1978 | 1985 | 1978 | 1977 | 1984 | 1974 | 1964 |
| Heating Degree Days (F) | 1252. | 966. | 877. | 558. | 299. | 77. | 7. | 7. | 170. | 493. | 885. | 1212. | 6803. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 86. | 230. | 156. | 32. | 0. | 0. | 0. | 511. |