| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.3 | 43.9 | 50.1 | 58.5 | 67.6 | 76.1 | 84.9 | 83.3 | 75.0 | 63.4 | 47.6 | 38.0 | 60.5 |
| Highest Mean Max. Temperature (F) | 43.5 | 52.2 | 58.0 | 68.4 | 73.7 | 84.5 | 90.8 | 90.4 | 82.0 | 70.1 | 53.7 | 45.1 | 62.3 |
| Year Highest Occurred | 1990 | 1963 | 1978 | 1987 | 1969 | 1961 | 1968 | 1967 | 1967 | 1965 | 1976 | 1975 | 1974 |
| Lowest Mean Max. Temperature (F) | 28.0 | 32.8 | 42.8 | 48.3 | 60.7 | 68.2 | 77.1 | 75.5 | 65.2 | 53.5 | 37.6 | 26.0 | 54.5 |
| Year Lowest Occurred | 1985 | 1989 | 1985 | 1975 | 1977 | 1984 | 1987 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 27.3 | 33.2 | 37.9 | 44.3 | 52.5 | 60.3 | 67.1 | 65.5 | 56.8 | 46.7 | 36.1 | 27.9 | 46.3 |
| Highest Mean Temperature (F) | 33.9 | 41.4 | 43.7 | 51.4 | 57.2 | 65.9 | 71.4 | 69.8 | 62.4 | 52.1 | 39.8 | 34.6 | 47.9 |
| Year Highest Occurred | 1967 | 1963 | 1978 | 1990 | 1969 | 1961 | 1985 | 1971 | 1967 | 1988 | 1966 | 1975 | 1967 |
| Lowest Mean Temperature (F) | 17.4 | 21.8 | 32.3 | 36.8 | 47.3 | 55.5 | 62.6 | 61.2 | 50.1 | 41.8 | 21.7 | 10.1 | 41.5 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1976 | 1986 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 17.3 | 22.4 | 25.8 | 30.0 | 37.4 | 44.4 | 49.3 | 47.6 | 38.5 | 29.9 | 24.5 | 17.8 | 32.1 |
| Highest Mean Min. Temperature (F) | 25.4 | 30.5 | 30.5 | 35.9 | 40.6 | 49.6 | 58.0 | 51.3 | 45.2 | 35.6 | 31.2 | 25.5 | 34.1 |
| Year Highest Occurred | 1970 | 1963 | 1983 | 1990 | 1985 | 1988 | 1985 | 1986 | 1990 | 1988 | 1973 | 1973 | 1983 |
| Lowest Mean Min. Temperature (F) | 4.1 | 10.7 | 19.8 | 25.0 | 33.8 | 39.0 | 43.5 | 43.5 | 31.9 | 26.2 | 5.8 | -5.9 | 28.5 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1970 | 1977 | 1976 | 1962 | 1975 | 1972 | 1976 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.93 | 0.68 | 0.99 | 0.73 | 1.05 | 0.91 | 0.40 | 0.74 | 0.57 | 0.76 | 1.18 | 0.99 | 9.93 |
| Highest Precipitation (in.) | 3.35 | 3.08 | 3.84 | 2.23 | 3.00 | 2.40 | 1.27 | 4.00 | 1.77 | 3.54 | 2.77 | 3.39 | 17.78 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1981 | 1964 | 1974 | 1976 | 1986 | 1962 | 1968 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.07 | 0.01 | 0.05 | 0.00 | 0.19 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.05 | 5.30 |
| Year Lowest Occurred | 1985 | 1964 | 1988 | 1977 | 1976 | 1974 | 1988 | 1980 | 1990 | 1988 | 1974 | 1990 | 1990 |
| Heating Degree Days (F) | 1169. | 890. | 840. | 621. | 388. | 167. | 49. | 73. | 269. | 567. | 867. | 1150. | 7050. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 26. | 115. | 88. | 23. | 0. | 0. | 0. | 252. |