| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.3 | 44.7 | 47.9 | 55.5 | 64.7 | 73.8 | 83.4 | 82.0 | 74.7 | 64.3 | 49.1 | 42.6 | 60.4 |
| Highest Mean Max. Temperature (F) | 51.5 | 52.4 | 56.3 | 64.7 | 72.0 | 82.2 | 87.2 | 89.3 | 82.5 | 74.6 | 60.5 | 52.1 | 63.3 |
| Year Highest Occurred | 1961 | 1963 | 1990 | 1987 | 1966 | 1961 | 1972 | 1967 | 1974 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 34.2 | 38.6 | 39.6 | 42.7 | 55.8 | 65.8 | 75.0 | 75.4 | 62.4 | 49.6 | 37.1 | 33.5 | 53.1 |
| Year Lowest Occurred | 1982 | 1985 | 1983 | 1967 | 1977 | 1982 | 1982 | 1977 | 1985 | 1984 | 1985 | 1983 | 1982 |
| Mean Temperature (F) | 30.5 | 33.3 | 36.1 | 41.7 | 49.5 | 57.4 | 64.6 | 63.6 | 56.9 | 48.4 | 37.3 | 31.3 | 45.9 |
| Highest Mean Temperature (F) | 38.5 | 42.0 | 43.4 | 48.3 | 55.0 | 63.3 | 68.7 | 69.4 | 61.9 | 55.7 | 43.9 | 38.6 | 47.9 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1990 | 1966 | 1961 | 1988 | 1967 | 1974 | 1988 | 1976 | 1980 | 1987 |
| Lowest Mean Temperature (F) | 22.9 | 26.2 | 31.1 | 33.1 | 42.8 | 52.2 | 57.4 | 59.3 | 47.6 | 39.2 | 26.0 | 24.1 | 40.7 |
| Year Lowest Occurred | 1982 | 1989 | 1985 | 1967 | 1977 | 1982 | 1983 | 1976 | 1985 | 1984 | 1985 | 1990 | 1982 |
| Mean Min. Temperature (F) | 18.6 | 21.7 | 24.3 | 27.9 | 34.2 | 41.0 | 45.8 | 45.1 | 39.2 | 32.4 | 25.4 | 19.9 | 31.3 |
| Highest Mean Min. Temperature (F) | 27.2 | 31.5 | 31.2 | 33.4 | 38.8 | 45.2 | 50.5 | 49.4 | 45.3 | 38.5 | 31.3 | 26.7 | 33.4 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1990 | 1963 | 1977 | 1988 | 1967 | 1963 | 1963 | 1970 | 1962 | 1963 |
| Lowest Mean Min. Temperature (F) | 8.4 | 13.3 | 18.4 | 23.0 | 29.8 | 36.7 | 39.5 | 41.1 | 32.7 | 26.0 | 14.8 | 8.4 | 27.9 |
| Year Lowest Occurred | 1989 | 1964 | 1976 | 1970 | 1977 | 1976 | 1983 | 1979 | 1985 | 1985 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.83 | 1.52 | 1.93 | 1.89 | 2.03 | 1.40 | 0.42 | 0.73 | 0.91 | 1.36 | 2.15 | 2.00 | 18.17 |
| Highest Precipitation (in.) | 4.01 | 4.16 | 4.25 | 4.89 | 5.09 | 4.24 | 1.62 | 3.45 | 2.71 | 6.17 | 4.23 | 7.04 | 28.33 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1978 | 1971 | 1964 | 1980 | 1968 | 1971 | 1962 | 1970 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.47 | 0.21 | 0.52 | 0.41 | 0.24 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.41 | 0.15 | 11.26 |
| Year Lowest Occurred | 1971 | 1988 | 1965 | 1980 | 1978 | 1986 | 1990 | 1986 | 1990 | 1978 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 1070. | 888. | 896. | 699. | 481. | 245. | 93. | 111. | 271. | 521. | 831. | 1045. | 7151. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 17. | 81. | 67. | 28. | 6. | 0. | 0. | 199. |