| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.5 | 41.3 | 47.3 | 57.8 | 68.5 | 80.3 | 86.0 | 83.1 | 74.7 | 62.9 | 48.3 | 38.4 | 60.4 |
| Highest Mean Max. Temperature (F) | 46.7 | 51.3 | 57.9 | 67.5 | 74.7 | 86.7 | 89.7 | 87.0 | 83.0 | 69.6 | 53.6 | 49.1 | 64.5 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1974 | 1990 | 1980 | 1985 | 1979 | 1988 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 28.9 | 34.1 | 39.6 | 49.9 | 62.0 | 72.6 | 81.6 | 75.1 | 68.1 | 54.2 | 38.8 | 30.7 | 57.5 |
| Year Lowest Occurred | 1979 | 1966 | 1969 | 1983 | 1965 | 1965 | 1968 | 1968 | 1965 | 1984 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 25.0 | 29.7 | 35.6 | 44.2 | 53.9 | 64.0 | 70.4 | 68.0 | 60.3 | 49.7 | 37.0 | 27.5 | 47.1 |
| Highest Mean Temperature (F) | 34.8 | 36.0 | 43.6 | 50.3 | 58.3 | 69.1 | 73.5 | 70.5 | 66.4 | 55.1 | 41.0 | 37.6 | 49.9 |
| Year Highest Occurred | 1986 | 1970 | 1989 | 1990 | 1984 | 1974 | 1980 | 1985 | 1979 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 17.6 | 21.4 | 28.3 | 35.8 | 49.7 | 58.6 | 67.3 | 61.1 | 55.2 | 41.7 | 29.3 | 19.7 | 44.5 |
| Year Lowest Occurred | 1963 | 1966 | 1969 | 1970 | 1965 | 1965 | 1968 | 1968 | 1970 | 1970 | 1972 | 1967 | 1964 |
| Mean Min. Temperature (F) | 13.4 | 18.1 | 23.8 | 30.6 | 39.3 | 47.8 | 54.7 | 53.0 | 45.9 | 36.5 | 25.6 | 16.5 | 33.8 |
| Highest Mean Min. Temperature (F) | 23.5 | 24.8 | 29.9 | 35.7 | 42.7 | 52.2 | 57.3 | 55.8 | 50.2 | 41.4 | 30.7 | 26.0 | 36.6 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1977 | 1984 | 1977 | 1980 | 1982 | 1990 | 1979 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 5.8 | 8.7 | 16.9 | 21.6 | 35.9 | 44.1 | 51.4 | 47.1 | 40.7 | 28.7 | 19.8 | 8.7 | 30.7 |
| Year Lowest Occurred | 1963 | 1966 | 1969 | 1970 | 1967 | 1969 | 1970 | 1968 | 1970 | 1970 | 1972 | 1967 | 1970 |
| Mean Precipitation (in.) | 1.06 | 1.16 | 1.31 | 0.90 | 1.07 | 0.56 | 1.45 | 1.71 | 1.61 | 1.84 | 1.52 | 1.36 | 15.55 |
| Highest Precipitation (in.) | 3.71 | 3.75 | 3.43 | 2.95 | 2.66 | 2.47 | 3.06 | 7.06 | 4.05 | 8.13 | 3.92 | 4.43 | 23.68 |
| Year Highest Occurred | 1980 | 1976 | 1985 | 1986 | 1988 | 1986 | 1977 | 1963 | 1970 | 1972 | 1982 | 1966 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 7.60 |
| Year Lowest Occurred | 1972 | 1972 | 1971 | 1989 | 1989 | 1989 | 1962 | 1985 | 1979 | 1964 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 1240. | 988. | 911. | 624. | 344. | 108. | 0. | 23. | 174. | 474. | 840. | 1163. | 6889. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 78. | 171. | 116. | 33. | 0. | 0. | 0. | 398. |