| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.8 | 37.1 | 44.2 | 54.2 | 64.0 | 74.9 | 82.1 | 78.7 | 70.2 | 58.5 | 43.0 | 33.9 | 56.1 |
| Highest Mean Max. Temperature (F) | 43.5 | 46.0 | 56.0 | 61.1 | 71.5 | 82.7 | 90.0 | 82.7 | 77.6 | 66.1 | 49.4 | 46.8 | 59.5 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1981 | 1969 | 1977 | 1971 | 1977 | 1979 | 1964 | 1976 | 1980 | 1977 |
| Lowest Mean Max. Temperature (F) | 23.7 | 27.4 | 37.3 | 45.4 | 58.4 | 66.4 | 74.8 | 71.9 | 63.2 | 48.5 | 37.3 | 26.8 | 52.6 |
| Year Lowest Occurred | 1979 | 1966 | 1964 | 1983 | 1980 | 1967 | 1983 | 1968 | 1965 | 1984 | 1972 | 1990 | 1982 |
| Mean Temperature (F) | 23.1 | 27.2 | 33.5 | 42.1 | 51.2 | 61.5 | 68.5 | 66.1 | 57.6 | 47.0 | 33.3 | 24.4 | 44.6 |
| Highest Mean Temperature (F) | 32.9 | 34.8 | 40.7 | 47.9 | 57.8 | 69.0 | 71.9 | 70.0 | 63.7 | 53.1 | 40.5 | 35.5 | 47.5 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1969 | 1977 | 1978 | 1970 | 1979 | 1988 | 1962 | 1980 | 1977 |
| Lowest Mean Temperature (F) | 15.4 | 19.8 | 26.7 | 35.5 | 46.9 | 55.4 | 63.0 | 60.2 | 51.1 | 38.3 | 28.0 | 16.9 | 41.4 |
| Year Lowest Occurred | 1979 | 1966 | 1964 | 1983 | 1983 | 1967 | 1983 | 1968 | 1965 | 1984 | 1982 | 1990 | 1982 |
| Mean Min. Temperature (F) | 13.3 | 17.1 | 22.7 | 30.0 | 38.3 | 48.1 | 54.9 | 53.4 | 44.9 | 35.4 | 23.5 | 14.9 | 33.0 |
| Highest Mean Min. Temperature (F) | 22.2 | 23.5 | 30.2 | 36.4 | 44.1 | 55.2 | 58.4 | 57.6 | 49.7 | 42.0 | 31.6 | 24.1 | 35.4 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1989 | 1969 | 1977 | 1967 | 1970 | 1979 | 1963 | 1962 | 1980 | 1977 |
| Lowest Mean Min. Temperature (F) | 7.1 | 11.3 | 16.0 | 24.4 | 31.3 | 42.0 | 49.1 | 48.5 | 38.9 | 28.0 | 18.5 | 6.9 | 30.1 |
| Year Lowest Occurred | 1979 | 1985 | 1964 | 1973 | 1973 | 1982 | 1965 | 1968 | 1965 | 1984 | 1982 | 1990 | 1982 |
| Mean Precipitation (in.) | 1.06 | 1.04 | 1.21 | 1.02 | 1.23 | 0.94 | 1.39 | 1.56 | 1.56 | 1.25 | 0.97 | 1.16 | 14.39 |
| Highest Precipitation (in.) | 3.66 | 3.77 | 3.52 | 3.12 | 3.10 | 4.04 | 4.02 | 4.21 | 5.82 | 3.80 | 4.32 | 3.41 | 24.96 |
| Year Highest Occurred | 1969 | 1980 | 1979 | 1965 | 1977 | 1965 | 1985 | 1963 | 1961 | 1984 | 1978 | 1964 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.03 | 0.00 | 0.00 | 8.64 |
| Year Lowest Occurred | 1972 | 1972 | 1977 | 1966 | 1974 | 1980 | 1971 | 1985 | 1987 | 1964 | 1990 | 1980 | 1974 |
| Heating Degree Days (F) | 1299. | 1058. | 977. | 687. | 428. | 165. | 30. | 59. | 239. | 566. | 951. | 1259. | 7718. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 60. | 138. | 93. | 17. | 8. | 0. | 0. | 316. |