| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.4 | 35.6 | 41.4 | 52.3 | 62.7 | 72.2 | 79.0 | 77.4 | 69.0 | 58.6 | 43.7 | 34.5 | 54.9 |
| Highest Mean Max. Temperature (F) | 44.0 | 40.9 | 50.6 | 59.9 | 69.0 | 78.8 | 84.2 | 83.7 | 75.3 | 67.7 | 51.1 | 45.6 | 57.9 |
| Year Highest Occurred | 1981 | 1977 | 1986 | 1981 | 1969 | 1977 | 1964 | 1969 | 1963 | 1963 | 1963 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 24.0 | 27.9 | 32.1 | 43.0 | 56.1 | 66.0 | 73.9 | 73.5 | 60.2 | 46.1 | 34.3 | 26.7 | 51.5 |
| Year Lowest Occurred | 1979 | 1964 | 1965 | 1984 | 1983 | 1969 | 1986 | 1987 | 1965 | 1969 | 1979 | 1983 | 1984 |
| Mean Temperature (F) | 21.2 | 23.9 | 29.2 | 38.5 | 47.9 | 56.3 | 63.0 | 61.3 | 52.8 | 43.1 | 31.0 | 22.7 | 40.9 |
| Highest Mean Temperature (F) | 29.8 | 29.4 | 37.0 | 44.8 | 53.5 | 60.0 | 67.1 | 65.6 | 59.3 | 51.1 | 37.7 | 33.5 | 43.6 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1981 | 1969 | 1977 | 1964 | 1970 | 1963 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 12.7 | 16.7 | 19.1 | 30.7 | 43.2 | 53.1 | 58.4 | 57.3 | 46.9 | 34.4 | 23.3 | 14.6 | 38.5 |
| Year Lowest Occurred | 1979 | 1964 | 1965 | 1984 | 1983 | 1983 | 1986 | 1987 | 1965 | 1969 | 1979 | 1990 | 1984 |
| Mean Min. Temperature (F) | 10.1 | 12.2 | 17.0 | 24.7 | 33.1 | 40.3 | 47.0 | 45.2 | 36.6 | 27.5 | 18.4 | 10.9 | 26.9 |
| Highest Mean Min. Temperature (F) | 18.4 | 18.6 | 24.1 | 30.0 | 37.9 | 44.1 | 50.0 | 50.1 | 43.2 | 34.4 | 26.1 | 21.3 | 29.8 |
| Year Highest Occurred | 1969 | 1963 | 1972 | 1969 | 1969 | 1972 | 1964 | 1963 | 1963 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.3 | 4.5 | 6.0 | 18.3 | 26.2 | 34.1 | 42.9 | 39.5 | 31.2 | 21.0 | 12.2 | 1.5 | 24.6 |
| Year Lowest Occurred | 1979 | 1985 | 1965 | 1984 | 1990 | 1978 | 1986 | 1985 | 1987 | 1976 | 1979 | 1990 | 1985 |
| Mean Precipitation (in.) | 0.71 | 0.82 | 1.19 | 1.60 | 1.56 | 1.33 | 1.37 | 1.40 | 1.29 | 1.31 | 1.04 | 0.89 | 14.51 |
| Highest Precipitation (in.) | 2.39 | 2.63 | 2.69 | 3.28 | 4.36 | 3.47 | 3.72 | 3.65 | 4.98 | 3.41 | 2.59 | 2.30 | 20.31 |
| Year Highest Occurred | 1980 | 1989 | 1975 | 1968 | 1981 | 1969 | 1967 | 1970 | 1961 | 1969 | 1983 | 1972 | 1961 |
| Lowest Precipitation (in.) | 0.06 | 0.26 | 0.29 | 0.26 | 0.22 | 0.03 | 0.25 | 0.20 | 0.11 | 0.00 | 0.28 | 0.19 | 9.79 |
| Year Lowest Occurred | 1981 | 1963 | 1968 | 1980 | 1963 | 1980 | 1978 | 1978 | 1987 | 1965 | 1976 | 1980 | 1988 |
| Heating Degree Days (F) | 1358. | 1151. | 1110. | 795. | 530. | 264. | 95. | 140. | 371. | 679. | 1020. | 1311. | 8824. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 33. | 25. | 0. | 0. | 0. | 0. | 58. |