| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.7 | 57.8 | 61.9 | 70.4 | 79.2 | 89.5 | 92.5 | 89.5 | 84.0 | 74.4 | 62.1 | 54.1 | 72.4 |
| Highest Mean Max. Temperature (F) | 62.3 | 64.3 | 74.4 | 81.1 | 86.1 | 95.3 | 96.5 | 94.2 | 89.2 | 81.2 | 67.4 | 61.8 | 76.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1961 | 1962 | 1979 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 44.8 | 51.1 | 50.8 | 62.1 | 73.5 | 82.2 | 88.6 | 84.2 | 78.4 | 66.9 | 55.9 | 47.9 | 70.0 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1986 | 1963 | 1985 | 1984 | 1972 | 1967 | 1983 |
| Mean Temperature (F) | 39.0 | 41.9 | 45.6 | 52.3 | 60.1 | 69.4 | 75.5 | 73.3 | 66.8 | 57.2 | 46.2 | 39.2 | 55.5 |
| Highest Mean Temperature (F) | 45.3 | 46.8 | 53.4 | 58.2 | 65.8 | 73.5 | 78.3 | 77.2 | 71.0 | 61.8 | 50.5 | 45.1 | 57.3 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1963 | 1969 | 1983 | 1987 | 1962 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 33.8 | 36.5 | 39.6 | 45.4 | 56.1 | 63.7 | 73.1 | 69.4 | 62.6 | 52.7 | 41.8 | 33.9 | 54.1 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1975 | 1980 | 1965 | 1968 | 1968 | 1985 | 1984 | 1972 | 1967 | 1975 |
| Mean Min. Temperature (F) | 24.2 | 26.0 | 29.2 | 34.3 | 41.1 | 49.2 | 58.4 | 57.0 | 49.5 | 39.9 | 30.2 | 24.2 | 38.6 |
| Highest Mean Min. Temperature (F) | 30.3 | 31.7 | 35.2 | 39.4 | 45.7 | 53.6 | 61.8 | 60.3 | 55.9 | 44.5 | 34.6 | 28.6 | 40.9 |
| Year Highest Occurred | 1980 | 1968 | 1986 | 1986 | 1966 | 1981 | 1966 | 1970 | 1983 | 1983 | 1965 | 1984 | 1986 |
| Lowest Mean Min. Temperature (F) | 19.9 | 18.3 | 24.1 | 28.7 | 37.7 | 45.1 | 52.7 | 53.0 | 45.0 | 34.5 | 26.4 | 18.7 | 36.8 |
| Year Lowest Occurred | 1971 | 1964 | 1969 | 1975 | 1975 | 1965 | 1979 | 1976 | 1968 | 1970 | 1964 | 1968 | 1975 |
| Mean Precipitation (in.) | 2.01 | 1.91 | 2.36 | 1.07 | 0.55 | 0.35 | 2.64 | 3.23 | 2.13 | 1.72 | 1.85 | 2.26 | 22.08 |
| Highest Precipitation (in.) | 6.98 | 9.07 | 7.50 | 4.50 | 1.88 | 2.88 | 6.77 | 10.49 | 6.73 | 10.32 | 5.30 | 9.07 | 32.66 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1988 | 1976 | 1972 | 1990 | 1963 | 1970 | 1972 | 1982 | 1967 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.95 | 0.73 | 0.00 | 0.00 | 0.00 | 0.02 | 15.83 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1989 | 1988 | 1989 | 1971 | 1976 | 1973 | 1973 | 1980 | 1973 | 1971 |
| Heating Degree Days (F) | 806. | 647. | 601. | 387. | 171. | 22. | 0. | 0. | 45. | 253. | 564. | 800. | 4296. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 19. | 154. | 326. | 257. | 99. | 11. | 0. | 0. | 872. |