| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.2 | 45.7 | 55.4 | 64.1 | 73.8 | 83.4 | 92.6 | 90.9 | 79.8 | 67.0 | 50.6 | 39.5 | 65.1 |
| Highest Mean Max. Temperature (F) | 46.0 | 54.4 | 61.4 | 73.9 | 80.2 | 93.2 | 97.2 | 97.8 | 87.8 | 77.2 | 55.1 | 46.8 | 67.7 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1987 | 1966 | 1961 | 1985 | 1967 | 1990 | 1988 | 1965 | 1977 | 1966 |
| Lowest Mean Max. Temperature (F) | 27.2 | 33.5 | 49.5 | 54.0 | 66.1 | 77.8 | 85.5 | 82.7 | 71.4 | 61.5 | 41.6 | 25.0 | 61.3 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1984 | 1983 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 29.9 | 36.3 | 43.8 | 50.7 | 58.6 | 66.7 | 73.0 | 71.8 | 62.9 | 52.4 | 40.4 | 31.0 | 51.5 |
| Highest Mean Temperature (F) | 37.8 | 43.8 | 49.7 | 56.8 | 63.2 | 73.6 | 77.5 | 77.6 | 69.9 | 61.2 | 44.5 | 39.1 | 53.5 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1990 | 1969 | 1986 | 1990 | 1961 | 1990 | 1988 | 1965 | 1977 | 1961 |
| Lowest Mean Temperature (F) | 16.7 | 23.2 | 38.3 | 43.9 | 53.5 | 61.8 | 68.3 | 66.0 | 57.2 | 48.6 | 31.6 | 15.8 | 47.9 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1976 | 1983 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 21.5 | 26.8 | 32.2 | 37.3 | 43.4 | 49.9 | 53.4 | 52.8 | 45.9 | 37.8 | 30.0 | 22.6 | 37.8 |
| Highest Mean Min. Temperature (F) | 29.6 | 33.1 | 38.0 | 41.4 | 46.9 | 56.4 | 60.5 | 59.7 | 52.0 | 45.1 | 34.6 | 31.4 | 40.1 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1990 | 1969 | 1988 | 1990 | 1961 | 1990 | 1988 | 1983 | 1977 | 1988 |
| Lowest Mean Min. Temperature (F) | 6.2 | 12.9 | 26.6 | 33.2 | 39.5 | 44.4 | 49.2 | 48.3 | 40.3 | 34.3 | 21.5 | 6.5 | 34.4 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1982 | 1974 | 1976 | 1981 | 1980 | 1971 | 1976 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.98 | 0.75 | 0.83 | 0.85 | 0.91 | 1.19 | 0.34 | 0.54 | 0.54 | 0.57 | 0.92 | 1.08 | 9.50 |
| Highest Precipitation (in.) | 2.84 | 2.76 | 2.61 | 3.37 | 1.88 | 3.20 | 1.33 | 2.70 | 1.61 | 2.08 | 2.40 | 3.53 | 17.30 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1978 | 1987 | 1965 | 1983 | 1979 | 1980 | 1982 | 1981 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.06 | 0.06 | 0.04 | 0.04 | 0.16 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 4.88 |
| Year Lowest Occurred | 1966 | 1965 | 1969 | 1961 | 1975 | 1974 | 1990 | 1988 | 1987 | 1988 | 1969 | 1989 | 1966 |
| Heating Degree Days (F) | 1088. | 804. | 657. | 429. | 208. | 75. | 8. | 21. | 140. | 391. | 738. | 1054. | 5613. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 126. | 256. | 231. | 77. | 0. | 0. | 0. | 700. |