| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.2 | 47.4 | 57.0 | 64.9 | 74.3 | 82.1 | 88.7 | 87.8 | 78.8 | 66.1 | 49.5 | 38.4 | 64.4 |
| Highest Mean Max. Temperature (F) | 47.1 | 55.5 | 61.5 | 73.5 | 78.7 | 87.7 | 97.2 | 93.4 | 86.2 | 74.1 | 56.3 | 44.1 | 66.6 |
| Year Highest Occurred | 1967 | 1967 | 1986 | 1977 | 1985 | 1977 | 1985 | 1977 | 1990 | 1988 | 1990 | 1973 | 1967 |
| Lowest Mean Max. Temperature (F) | 23.9 | 36.3 | 51.5 | 58.8 | 68.1 | 75.5 | 82.2 | 80.8 | 73.4 | 61.3 | 38.2 | 26.9 | 62.2 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1962 | 1971 | 1963 | 1968 | 1970 | 1968 | 1985 | 1985 | 1969 |
| Mean Temperature (F) | 30.3 | 37.4 | 44.9 | 52.0 | 60.4 | 68.1 | 73.9 | 72.6 | 63.5 | 51.7 | 39.8 | 30.8 | 52.1 |
| Highest Mean Temperature (F) | 38.3 | 42.7 | 49.1 | 58.6 | 64.8 | 73.0 | 79.9 | 78.8 | 69.4 | 58.4 | 44.2 | 37.0 | 53.9 |
| Year Highest Occurred | 1967 | 1961 | 1986 | 1977 | 1972 | 1977 | 1985 | 1977 | 1990 | 1988 | 1990 | 1973 | 1967 |
| Lowest Mean Temperature (F) | 15.6 | 26.6 | 40.5 | 46.8 | 55.1 | 63.0 | 69.0 | 67.7 | 58.8 | 48.4 | 28.4 | 21.0 | 49.9 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1984 | 1971 | 1983 | 1964 | 1970 | 1982 | 1985 | 1985 | 1984 |
| Mean Min. Temperature (F) | 22.2 | 27.4 | 32.8 | 39.0 | 46.6 | 54.0 | 58.9 | 57.5 | 48.2 | 37.3 | 30.1 | 23.2 | 39.8 |
| Highest Mean Min. Temperature (F) | 32.2 | 34.0 | 36.7 | 43.6 | 51.5 | 58.3 | 63.2 | 64.1 | 54.7 | 42.6 | 35.6 | 29.8 | 41.9 |
| Year Highest Occurred | 1981 | 1961 | 1983 | 1977 | 1972 | 1977 | 1975 | 1977 | 1963 | 1988 | 1965 | 1973 | 1961 |
| Lowest Mean Min. Temperature (F) | 7.2 | 16.8 | 29.2 | 33.6 | 40.5 | 48.9 | 54.2 | 51.7 | 42.2 | 33.1 | 18.5 | 12.7 | 36.4 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1982 | 1984 | 1984 | 1983 | 1984 | 1983 | 1982 | 1985 | 1984 | 1984 |
| Mean Precipitation (in.) | 1.01 | 0.66 | 0.64 | 0.51 | 0.50 | 0.46 | 0.21 | 0.39 | 0.40 | 0.44 | 1.02 | 1.26 | 7.50 |
| Highest Precipitation (in.) | 2.54 | 2.06 | 2.24 | 1.98 | 1.45 | 1.85 | 1.09 | 1.77 | 1.61 | 1.55 | 3.06 | 3.49 | 13.23 |
| Year Highest Occurred | 1970 | 1961 | 1983 | 1963 | 1990 | 1984 | 1978 | 1975 | 1986 | 1962 | 1983 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 3.27 |
| Year Lowest Occurred | 1984 | 1988 | 1973 | 1981 | 1979 | 1987 | 1988 | 1988 | 1990 | 1978 | 1976 | 1976 | 1967 |
| Heating Degree Days (F) | 1076. | 773. | 623. | 395. | 167. | 50. | 8. | 17. | 122. | 412. | 756. | 1060. | 5459. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 24. | 143. | 284. | 253. | 77. | 0. | 0. | 0. | 781. |