| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.7 | 56.5 | 65.3 | 75.2 | 82.1 | 88.7 | 92.6 | 90.8 | 83.1 | 74.7 | 62.7 | 53.6 | 73.1 |
| Highest Mean Max. Temperature (F) | 60.9 | 69.0 | 73.5 | 81.9 | 90.5 | 95.0 | 99.6 | 95.4 | 90.5 | 81.6 | 69.9 | 61.3 | 75.7 |
| Year Highest Occurred | 1986 | 1962 | 1967 | 1978 | 1962 | 1990 | 1980 | 1980 | 1977 | 1963 | 1966 | 1970 | 1962 |
| Lowest Mean Max. Temperature (F) | 38.7 | 40.4 | 52.7 | 66.8 | 77.5 | 83.5 | 87.0 | 83.0 | 73.3 | 66.5 | 52.5 | 40.1 | 71.2 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1982 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 37.6 | 41.6 | 49.7 | 59.8 | 67.8 | 75.5 | 79.3 | 77.6 | 70.4 | 60.8 | 49.0 | 40.1 | 59.1 |
| Highest Mean Temperature (F) | 44.1 | 50.3 | 55.9 | 64.6 | 73.6 | 81.1 | 84.8 | 81.8 | 76.1 | 65.8 | 54.8 | 45.6 | 60.7 |
| Year Highest Occurred | 1989 | 1976 | 1967 | 1978 | 1962 | 1980 | 1980 | 1980 | 1977 | 1963 | 1965 | 1965 | 1977 |
| Lowest Mean Temperature (F) | 28.7 | 30.9 | 39.6 | 53.4 | 63.6 | 71.7 | 75.0 | 72.4 | 63.2 | 53.2 | 41.6 | 29.3 | 57.8 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1983 | 1961 | 1971 | 1974 | 1976 | 1972 | 1983 | 1983 |
| Mean Min. Temperature (F) | 23.4 | 26.7 | 34.0 | 44.4 | 53.5 | 62.3 | 66.0 | 64.4 | 57.7 | 46.8 | 35.3 | 26.6 | 45.1 |
| Highest Mean Min. Temperature (F) | 28.5 | 33.2 | 39.6 | 49.7 | 59.0 | 67.4 | 69.9 | 68.1 | 61.6 | 51.7 | 39.8 | 32.7 | 47.5 |
| Year Highest Occurred | 1989 | 1976 | 1974 | 1981 | 1977 | 1980 | 1980 | 1980 | 1977 | 1983 | 1965 | 1965 | 1981 |
| Lowest Mean Min. Temperature (F) | 15.1 | 20.8 | 25.1 | 38.8 | 49.0 | 57.6 | 62.7 | 61.3 | 52.8 | 39.9 | 29.1 | 18.4 | 43.1 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1983 | 1967 | 1983 | 1961 | 1962 | 1975 | 1976 | 1976 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.52 | 0.93 | 1.20 | 1.31 | 2.90 | 2.99 | 2.29 | 3.10 | 3.56 | 2.08 | 0.96 | 0.72 | 22.56 |
| Highest Precipitation (in.) | 2.62 | 2.87 | 3.36 | 4.38 | 7.05 | 7.68 | 6.27 | 8.00 | 8.84 | 10.32 | 3.34 | 2.23 | 36.10 |
| Year Highest Occurred | 1983 | 1975 | 1979 | 1976 | 1977 | 1982 | 1961 | 1974 | 1986 | 1983 | 1961 | 1984 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.08 | 0.08 | 0.32 | 0.17 | 0.04 | 0.36 | 0.13 | 0.00 | 0.00 | 0.00 | 13.45 |
| Year Lowest Occurred | 1986 | 1974 | 1971 | 1978 | 1962 | 1973 | 1970 | 1967 | 1977 | 1975 | 1989 | 1978 | 1970 |
| Heating Degree Days (F) | 849. | 655. | 482. | 187. | 35. | 0. | 0. | 0. | 18. | 164. | 480. | 772. | 3642. |
| Cooling Degree Days (F) | 0. | 0. | 8. | 31. | 122. | 315. | 443. | 391. | 180. | 33. | 0. | 0. | 1523. |