| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.5 | 47.8 | 53.2 | 61.0 | 68.8 | 77.0 | 85.6 | 85.2 | 77.4 | 66.7 | 50.6 | 42.1 | 63.1 |
| Highest Mean Max. Temperature (F) | 48.4 | 55.0 | 59.9 | 70.2 | 75.4 | 83.8 | 90.5 | 91.6 | 85.1 | 78.7 | 60.0 | 49.7 | 65.8 |
| Year Highest Occurred | 1961 | 1988 | 1986 | 1990 | 1966 | 1974 | 1968 | 1967 | 1981 | 1988 | 1976 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 32.0 | 35.8 | 48.5 | 50.9 | 61.9 | 69.1 | 79.9 | 76.9 | 67.4 | 56.6 | 42.2 | 35.1 | 59.6 |
| Year Lowest Occurred | 1979 | 1989 | 1962 | 1967 | 1977 | 1984 | 1987 | 1976 | 1986 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 30.6 | 36.0 | 39.8 | 45.8 | 53.1 | 60.3 | 66.2 | 64.9 | 56.9 | 48.4 | 38.5 | 31.5 | 47.7 |
| Highest Mean Temperature (F) | 36.3 | 43.7 | 44.9 | 52.8 | 56.9 | 65.9 | 70.1 | 71.1 | 61.9 | 55.8 | 42.0 | 37.3 | 48.9 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1990 | 1966 | 1961 | 1985 | 1971 | 1963 | 1988 | 1966 | 1973 | 1980 |
| Lowest Mean Temperature (F) | 21.4 | 25.4 | 36.4 | 38.7 | 49.0 | 54.5 | 62.1 | 60.8 | 49.8 | 39.9 | 31.2 | 22.8 | 44.9 |
| Year Lowest Occurred | 1979 | 1989 | 1977 | 1975 | 1977 | 1984 | 1987 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 19.7 | 24.2 | 26.4 | 30.6 | 37.4 | 43.6 | 46.7 | 44.6 | 36.4 | 30.1 | 26.3 | 20.7 | 32.2 |
| Highest Mean Min. Temperature (F) | 27.7 | 32.5 | 32.8 | 35.3 | 43.0 | 48.6 | 51.5 | 51.8 | 43.8 | 37.1 | 33.6 | 28.6 | 34.3 |
| Year Highest Occurred | 1967 | 1963 | 1983 | 1990 | 1963 | 1961 | 1975 | 1971 | 1963 | 1963 | 1973 | 1973 | 1963 |
| Lowest Mean Min. Temperature (F) | 8.5 | 15.0 | 20.7 | 25.8 | 33.9 | 39.8 | 43.1 | 37.4 | 32.1 | 21.5 | 19.1 | 8.8 | 29.3 |
| Year Lowest Occurred | 1977 | 1989 | 1965 | 1976 | 1982 | 1984 | 1986 | 1969 | 1985 | 1969 | 1978 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.03 | 0.84 | 1.13 | 1.06 | 1.26 | 1.13 | 0.37 | 0.72 | 0.72 | 0.90 | 1.34 | 1.26 | 11.76 |
| Highest Precipitation (in.) | 3.13 | 3.43 | 3.20 | 3.23 | 2.96 | 2.79 | 1.89 | 3.07 | 2.08 | 3.12 | 2.94 | 4.91 | 22.57 |
| Year Highest Occurred | 1972 | 1986 | 1983 | 1978 | 1981 | 1987 | 1987 | 1976 | 1986 | 1962 | 1968 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.09 | 0.00 | 0.20 | 0.11 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.01 | 5.91 |
| Year Lowest Occurred | 1985 | 1964 | 1977 | 1961 | 1976 | 1962 | 1988 | 1988 | 1990 | 1988 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 1066. | 812. | 781. | 576. | 369. | 166. | 47. | 90. | 259. | 515. | 795. | 1039. | 6515. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 25. | 84. | 87. | 16. | 0. | 0. | 0. | 212. |