| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.8 | 44.8 | 52.1 | 62.6 | 72.1 | 83.9 | 91.0 | 88.2 | 79.2 | 68.0 | 51.7 | 41.1 | 64.5 |
| Highest Mean Max. Temperature (F) | 48.2 | 55.3 | 62.2 | 70.5 | 79.4 | 91.4 | 96.2 | 95.2 | 88.0 | 76.4 | 62.6 | 51.6 | 67.5 |
| Year Highest Occurred | 1989 | 1970 | 1972 | 1981 | 1970 | 1988 | 1974 | 1983 | 1990 | 1963 | 1989 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 23.3 | 30.9 | 40.3 | 49.5 | 64.5 | 76.6 | 85.2 | 81.9 | 67.8 | 54.0 | 37.3 | 23.6 | 62.2 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1967 | 1982 | 1962 | 1966 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Temperature (F) | 24.5 | 30.0 | 37.6 | 48.3 | 58.4 | 69.4 | 76.1 | 73.1 | 63.5 | 51.3 | 36.7 | 26.9 | 49.7 |
| Highest Mean Temperature (F) | 31.9 | 36.1 | 45.6 | 56.1 | 63.7 | 75.1 | 79.9 | 79.9 | 72.3 | 59.0 | 42.9 | 35.2 | 51.9 |
| Year Highest Occurred | 1990 | 1976 | 1986 | 1981 | 1987 | 1988 | 1974 | 1983 | 1979 | 1979 | 1989 | 1980 | 1987 |
| Lowest Mean Temperature (F) | 11.2 | 19.9 | 25.9 | 40.2 | 52.8 | 64.3 | 71.7 | 68.3 | 55.5 | 42.9 | 27.1 | 12.7 | 47.6 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1967 | 1969 | 1972 | 1966 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 10.2 | 15.2 | 23.0 | 33.9 | 44.6 | 54.9 | 61.3 | 57.9 | 47.7 | 34.5 | 21.7 | 12.7 | 34.8 |
| Highest Mean Min. Temperature (F) | 19.5 | 22.7 | 31.2 | 41.6 | 51.7 | 58.8 | 65.6 | 64.5 | 57.5 | 42.9 | 27.7 | 19.5 | 37.3 |
| Year Highest Occurred | 1983 | 1984 | 1986 | 1981 | 1977 | 1988 | 1966 | 1983 | 1979 | 1979 | 1983 | 1979 | 1981 |
| Lowest Mean Min. Temperature (F) | -1.8 | 8.3 | 11.4 | 28.8 | 41.1 | 51.1 | 56.8 | 54.5 | 42.8 | 28.6 | 16.8 | 1.7 | 32.6 |
| Year Lowest Occurred | 1963 | 1966 | 1965 | 1961 | 1967 | 1985 | 1972 | 1975 | 1974 | 1976 | 1985 | 1983 | 1975 |
| Mean Precipitation (in.) | 0.35 | 0.34 | 1.23 | 1.60 | 3.38 | 2.78 | 2.72 | 1.72 | 1.22 | 0.69 | 0.54 | 0.37 | 16.94 |
| Highest Precipitation (in.) | 1.30 | 1.61 | 4.12 | 3.86 | 7.20 | 6.23 | 6.78 | 5.41 | 4.02 | 2.57 | 1.89 | 1.52 | 25.25 |
| Year Highest Occurred | 1990 | 1987 | 1977 | 1977 | 1987 | 1962 | 1988 | 1968 | 1973 | 1969 | 1979 | 1967 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.05 | 0.07 | 0.35 | 0.68 | 0.83 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 8.84 |
| Year Lowest Occurred | 1987 | 1988 | 1984 | 1989 | 1966 | 1976 | 1974 | 1962 | 1983 | 1988 | 1989 | 1990 | 1974 |
| Heating Degree Days (F) | 1256. | 980. | 849. | 501. | 227. | 34. | 0. | 9. | 132. | 429. | 849. | 1181. | 6447. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 23. | 166. | 344. | 260. | 87. | 0. | 0. | 0. | 880. |