| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.9 | 45.7 | 52.7 | 63.8 | 73.0 | 83.7 | 91.0 | 88.4 | 78.8 | 68.3 | 52.9 | 42.9 | 65.2 |
| Highest Mean Max. Temperature (F) | 54.1 | 54.8 | 63.7 | 69.7 | 79.6 | 89.0 | 95.9 | 96.2 | 85.4 | 77.9 | 59.0 | 52.9 | 68.0 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1981 | 1962 | 1988 | 1963 | 1983 | 1983 | 1963 | 1965 | 1980 | 1986 |
| Lowest Mean Max. Temperature (F) | 28.2 | 31.9 | 41.2 | 54.0 | 67.2 | 76.3 | 85.4 | 83.5 | 66.0 | 54.6 | 40.5 | 25.5 | 63.6 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1981 | 1982 | 1972 | 1968 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Temperature (F) | 26.7 | 31.5 | 37.8 | 48.4 | 58.0 | 68.3 | 75.2 | 72.7 | 63.1 | 51.5 | 38.3 | 29.0 | 50.0 |
| Highest Mean Temperature (F) | 37.7 | 38.5 | 45.0 | 54.4 | 63.3 | 73.5 | 79.9 | 78.2 | 68.3 | 60.4 | 44.0 | 36.9 | 52.8 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1962 | 1988 | 1963 | 1983 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 15.3 | 20.6 | 26.9 | 41.8 | 53.1 | 63.0 | 71.6 | 68.4 | 54.9 | 44.3 | 29.3 | 14.2 | 47.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1982 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 12.4 | 17.3 | 22.9 | 33.0 | 42.9 | 52.8 | 59.4 | 57.0 | 47.3 | 34.7 | 23.7 | 15.0 | 34.9 |
| Highest Mean Min. Temperature (F) | 21.3 | 24.3 | 28.8 | 39.1 | 48.8 | 58.0 | 64.8 | 61.4 | 55.6 | 42.8 | 28.9 | 21.3 | 37.7 |
| Year Highest Occurred | 1986 | 1987 | 1973 | 1981 | 1987 | 1988 | 1966 | 1963 | 1963 | 1963 | 1965 | 1979 | 1963 |
| Lowest Mean Min. Temperature (F) | 2.4 | 6.7 | 12.6 | 27.8 | 37.9 | 46.0 | 55.5 | 52.9 | 40.6 | 29.3 | 18.0 | 2.9 | 31.8 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1985 | 1985 | 1974 | 1974 | 1985 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 0.36 | 0.36 | 1.17 | 1.63 | 3.45 | 2.83 | 2.46 | 2.03 | 1.57 | 0.90 | 0.64 | 0.34 | 17.74 |
| Highest Precipitation (in.) | 1.01 | 1.75 | 4.38 | 4.52 | 6.46 | 8.09 | 4.81 | 5.89 | 4.70 | 4.08 | 1.80 | 1.51 | 25.10 |
| Year Highest Occurred | 1990 | 1984 | 1981 | 1984 | 1975 | 1965 | 1980 | 1977 | 1963 | 1969 | 1975 | 1982 | 1973 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.08 | 0.06 | 0.34 | 0.00 | 0.42 | 0.38 | 0.02 | 0.00 | 0.00 | 0.00 | 11.03 |
| Year Lowest Occurred | 1986 | 1972 | 1982 | 1963 | 1966 | 1968 | 1978 | 1971 | 1974 | 1988 | 1965 | 1990 | 1964 |
| Heating Degree Days (F) | 1187. | 938. | 843. | 498. | 239. | 43. | 0. | 7. | 125. | 419. | 801. | 1116. | 6216. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 22. | 142. | 316. | 245. | 68. | 0. | 0. | 0. | 793. |