| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.7 | 45.7 | 49.3 | 56.8 | 64.5 | 73.7 | 76.4 | 74.0 | 69.1 | 62.0 | 52.0 | 45.5 | 59.5 |
| Highest Mean Max. Temperature (F) | 53.2 | 52.1 | 58.3 | 63.1 | 70.3 | 81.4 | 84.0 | 81.0 | 73.7 | 70.8 | 59.9 | 55.5 | 63.8 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1962 | 1961 | 1980 | 1980 | 1962 | 1980 | 1963 | 1962 | 1980 | 1962 |
| Lowest Mean Max. Temperature (F) | 36.1 | 38.4 | 43.5 | 48.3 | 58.2 | 67.5 | 69.0 | 66.9 | 61.9 | 52.8 | 43.7 | 36.9 | 53.7 |
| Year Lowest Occurred | 1988 | 1990 | 1970 | 1973 | 1987 | 1988 | 1988 | 1988 | 1988 | 1984 | 1972 | 1987 | 1988 |
| Mean Temperature (F) | 29.3 | 30.9 | 34.9 | 41.4 | 48.8 | 57.1 | 60.9 | 59.0 | 53.9 | 45.9 | 36.8 | 30.7 | 44.1 |
| Highest Mean Temperature (F) | 36.7 | 37.4 | 41.6 | 47.1 | 54.3 | 63.4 | 65.4 | 62.4 | 57.7 | 52.0 | 42.1 | 39.3 | 46.4 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1981 | 1984 | 1980 | 1980 | 1962 | 1980 | 1963 | 1973 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 22.0 | 22.6 | 28.5 | 34.2 | 43.5 | 52.7 | 55.3 | 54.5 | 48.0 | 40.9 | 30.4 | 24.2 | 39.7 |
| Year Lowest Occurred | 1988 | 1964 | 1969 | 1973 | 1961 | 1987 | 1988 | 1988 | 1988 | 1984 | 1972 | 1987 | 1988 |
| Mean Min. Temperature (F) | 13.8 | 15.9 | 20.5 | 25.9 | 33.0 | 40.6 | 45.3 | 44.0 | 38.5 | 29.7 | 21.5 | 15.8 | 28.7 |
| Highest Mean Min. Temperature (F) | 20.2 | 23.7 | 26.0 | 31.6 | 38.5 | 45.3 | 48.8 | 47.8 | 42.5 | 35.1 | 26.5 | 23.4 | 31.3 |
| Year Highest Occurred | 1986 | 1976 | 1985 | 1981 | 1963 | 1980 | 1966 | 1963 | 1982 | 1972 | 1985 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | -0.5 | 4.1 | 7.0 | 11.7 | 16.7 | 34.6 | 40.7 | 40.2 | 32.8 | 25.9 | 16.9 | 9.1 | 21.6 |
| Year Lowest Occurred | 1961 | 1961 | 1961 | 1961 | 1961 | 1961 | 1987 | 1974 | 1987 | 1961 | 1968 | 1968 | 1961 |
| Mean Precipitation (in.) | 0.94 | 1.25 | 1.63 | 1.47 | 1.73 | 1.96 | 4.27 | 4.16 | 2.22 | 1.38 | 1.09 | 1.04 | 23.14 |
| Highest Precipitation (in.) | 2.60 | 3.44 | 4.97 | 3.75 | 6.41 | 5.84 | 7.59 | 12.72 | 6.12 | 4.93 | 5.47 | 3.07 | 32.04 |
| Year Highest Occurred | 1987 | 1963 | 1985 | 1977 | 1979 | 1986 | 1969 | 1961 | 1990 | 1984 | 1978 | 1984 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.04 | 0.00 | 0.08 | 0.21 | 0.10 | 0.77 | 0.34 | 0.54 | 0.00 | 0.01 | 0.00 | 14.73 |
| Year Lowest Occurred | 1981 | 1972 | 1972 | 1963 | 1968 | 1980 | 1979 | 1962 | 1987 | 1964 | 1973 | 1970 | 1962 |
| Heating Degree Days (F) | 1107. | 955. | 933. | 708. | 502. | 243. | 149. | 198. | 333. | 592. | 846. | 1063. | 7629. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 6. | 22. | 12. | 0. | 0. | 0. | 0. | 40. |