| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.4 | 46.3 | 52.2 | 60.9 | 70.8 | 82.0 | 88.4 | 85.9 | 77.2 | 66.4 | 52.4 | 42.8 | 63.9 |
| Highest Mean Max. Temperature (F) | 50.7 | 55.0 | 62.7 | 69.8 | 78.3 | 89.1 | 92.2 | 90.7 | 84.4 | 74.0 | 61.4 | 51.4 | 66.9 |
| Year Highest Occurred | 1961 | 1963 | 1972 | 1962 | 1963 | 1974 | 1961 | 1969 | 1979 | 1964 | 1962 | 1980 | 1962 |
| Lowest Mean Max. Temperature (F) | 33.8 | 40.8 | 46.0 | 52.9 | 64.8 | 74.6 | 84.9 | 78.8 | 69.9 | 56.2 | 44.2 | 34.1 | 60.3 |
| Year Lowest Occurred | 1979 | 1966 | 1964 | 1983 | 1980 | 1967 | 1987 | 1968 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 27.2 | 32.1 | 37.4 | 44.7 | 53.7 | 63.1 | 70.3 | 67.9 | 59.1 | 48.5 | 37.0 | 28.6 | 47.5 |
| Highest Mean Temperature (F) | 34.8 | 37.5 | 43.9 | 50.4 | 58.4 | 68.1 | 72.7 | 72.7 | 63.3 | 54.0 | 42.7 | 35.6 | 49.4 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1962 | 1974 | 1974 | 1964 | 1969 | 1979 | 1963 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 18.7 | 24.9 | 31.5 | 38.6 | 49.9 | 58.7 | 67.8 | 63.6 | 54.5 | 42.1 | 30.7 | 21.6 | 45.3 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1975 | 1980 | 1967 | 1987 | 1968 | 1986 | 1984 | 1979 | 1990 | 1982 |
| Mean Min. Temperature (F) | 12.8 | 17.8 | 22.5 | 28.4 | 36.5 | 44.2 | 52.1 | 49.9 | 40.9 | 30.6 | 21.6 | 14.3 | 31.0 |
| Highest Mean Min. Temperature (F) | 23.1 | 26.3 | 30.2 | 31.8 | 40.7 | 49.0 | 54.7 | 54.6 | 45.5 | 36.2 | 28.1 | 22.7 | 33.2 |
| Year Highest Occurred | 1969 | 1968 | 1967 | 1978 | 1976 | 1977 | 1981 | 1969 | 1990 | 1972 | 1965 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 2.0 | 8.0 | 15.1 | 24.2 | 33.4 | 40.8 | 48.2 | 46.7 | 37.2 | 26.9 | 14.5 | 5.0 | 27.9 |
| Year Lowest Occurred | 1989 | 1964 | 1976 | 1975 | 1983 | 1963 | 1962 | 1974 | 1965 | 1970 | 1979 | 1990 | 1961 |
| Mean Precipitation (in.) | 0.51 | 0.54 | 0.75 | 0.63 | 0.88 | 0.52 | 0.93 | 1.32 | 1.00 | 0.67 | 0.58 | 0.59 | 8.92 |
| Highest Precipitation (in.) | 1.91 | 2.92 | 2.27 | 1.83 | 3.27 | 1.61 | 2.78 | 3.43 | 4.55 | 2.65 | 2.01 | 2.51 | 13.26 |
| Year Highest Occurred | 1980 | 1962 | 1961 | 1988 | 1987 | 1972 | 1984 | 1963 | 1967 | 1972 | 1978 | 1966 | 1980 |
| Lowest Precipitation (in.) | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.03 | 0.00 | 0.07 | 0.00 | 4.45 |
| Year Lowest Occurred | 1981 | 1972 | 1972 | 1979 | 1972 | 1978 | 1979 | 1976 | 1979 | 1965 | 1974 | 1989 | 1976 |
| Heating Degree Days (F) | 1172. | 921. | 856. | 609. | 354. | 110. | 0. | 20. | 192. | 512. | 840. | 1128. | 6714. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 53. | 167. | 110. | 15. | 0. | 0. | 0. | 345. |