| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.3 | 50.5 | 54.7 | 59.0 | 65.5 | 71.6 | 77.4 | 78.3 | 73.6 | 63.6 | 52.3 | 45.3 | 61.4 |
| Highest Mean Max. Temperature (F) | 52.2 | 57.3 | 60.6 | 65.1 | 70.9 | 76.4 | 86.0 | 88.4 | 81.2 | 73.2 | 56.6 | 49.9 | 64.5 |
| Year Highest Occurred | 1981 | 1968 | 1986 | 1989 | 1972 | 1961 | 1985 | 1967 | 1974 | 1987 | 1981 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 36.5 | 43.0 | 49.7 | 52.8 | 59.4 | 65.6 | 71.7 | 70.0 | 66.6 | 58.3 | 43.4 | 39.2 | 59.4 |
| Year Lowest Occurred | 1969 | 1989 | 1976 | 1975 | 1962 | 1971 | 1983 | 1975 | 1978 | 1975 | 1985 | 1990 | 1964 |
| Mean Temperature (F) | 38.4 | 42.1 | 45.2 | 48.7 | 54.2 | 59.8 | 63.7 | 64.1 | 60.0 | 52.0 | 44.5 | 39.0 | 51.0 |
| Highest Mean Temperature (F) | 43.5 | 47.4 | 49.6 | 52.0 | 57.9 | 63.7 | 68.3 | 69.2 | 64.3 | 55.2 | 47.7 | 43.8 | 52.2 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1989 | 1972 | 1969 | 1985 | 1967 | 1974 | 1979 | 1983 | 1979 | 1987 |
| Lowest Mean Temperature (F) | 31.5 | 33.9 | 40.7 | 43.6 | 51.0 | 56.2 | 60.0 | 58.8 | 56.3 | 49.5 | 36.1 | 32.1 | 48.6 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1962 | 1971 | 1963 | 1975 | 1985 | 1990 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 31.5 | 33.7 | 35.7 | 38.3 | 42.8 | 47.9 | 49.9 | 49.9 | 46.4 | 40.3 | 36.6 | 32.8 | 40.5 |
| Highest Mean Min. Temperature (F) | 37.9 | 39.3 | 40.7 | 41.5 | 45.1 | 53.8 | 52.6 | 54.5 | 50.6 | 45.0 | 41.4 | 38.5 | 42.1 |
| Year Highest Occurred | 1967 | 1961 | 1983 | 1974 | 1987 | 1969 | 1978 | 1977 | 1978 | 1975 | 1983 | 1966 | 1978 |
| Lowest Mean Min. Temperature (F) | 24.3 | 24.8 | 30.9 | 34.4 | 38.7 | 43.5 | 44.7 | 47.0 | 42.2 | 35.7 | 28.8 | 23.1 | 37.1 |
| Year Lowest Occurred | 1985 | 1989 | 1975 | 1975 | 1966 | 1965 | 1968 | 1973 | 1965 | 1987 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 7.19 | 5.52 | 5.36 | 3.75 | 2.97 | 2.34 | 0.96 | 1.54 | 2.56 | 4.20 | 7.52 | 8.23 | 52.14 |
| Highest Precipitation (in.) | 12.81 | 11.31 | 8.87 | 6.23 | 6.36 | 5.87 | 4.33 | 5.40 | 6.46 | 8.83 | 13.74 | 13.15 | 69.72 |
| Year Highest Occurred | 1970 | 1961 | 1989 | 1978 | 1977 | 1981 | 1983 | 1968 | 1977 | 1990 | 1973 | 1972 | 1983 |
| Lowest Precipitation (in.) | 0.36 | 1.60 | 0.75 | 1.60 | 0.74 | 0.60 | 0.00 | 0.00 | 0.05 | 0.14 | 1.54 | 2.43 | 38.43 |
| Year Lowest Occurred | 1985 | 1973 | 1965 | 1977 | 1982 | 1970 | 1984 | 1970 | 1975 | 1987 | 1976 | 1985 | 1985 |
| Heating Degree Days (F) | 825. | 641. | 614. | 489. | 335. | 168. | 86. | 98. | 168. | 403. | 615. | 806. | 5248. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 12. | 45. | 70. | 18. | 0. | 0. | 0. | 145. |