| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.4 | 62.9 | 66.2 | 74.3 | 83.8 | 94.1 | 97.6 | 95.0 | 89.7 | 79.6 | 67.8 | 60.2 | 77.6 |
| Highest Mean Max. Temperature (F) | 67.8 | 69.4 | 78.0 | 82.9 | 92.4 | 101.1 | 101.6 | 99.2 | 96.0 | 85.3 | 72.5 | 69.3 | 79.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1969 | 1979 | 1988 | 1963 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 49.8 | 57.2 | 56.5 | 66.8 | 76.4 | 88.4 | 93.9 | 89.6 | 83.1 | 70.2 | 61.9 | 52.8 | 75.4 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1967 | 1986 | 1968 | 1986 | 1971 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 42.4 | 45.4 | 48.4 | 54.6 | 62.7 | 71.6 | 79.4 | 77.8 | 71.0 | 59.8 | 49.2 | 42.9 | 58.8 |
| Highest Mean Temperature (F) | 46.7 | 50.8 | 54.6 | 60.9 | 68.1 | 77.5 | 82.5 | 82.2 | 74.8 | 63.9 | 54.3 | 49.5 | 61.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1962 | 1984 | 1981 | 1981 | 1969 | 1969 | 1963 | 1962 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 37.2 | 40.8 | 43.6 | 48.5 | 58.5 | 66.4 | 74.7 | 73.0 | 65.0 | 54.2 | 45.4 | 36.9 | 57.4 |
| Year Lowest Occurred | 1979 | 1966 | 1977 | 1975 | 1977 | 1965 | 1987 | 1968 | 1986 | 1971 | 1979 | 1990 | 1979 |
| Mean Min. Temperature (F) | 25.4 | 27.8 | 30.5 | 34.8 | 41.6 | 49.1 | 61.2 | 60.5 | 52.3 | 40.0 | 30.4 | 25.5 | 39.9 |
| Highest Mean Min. Temperature (F) | 33.2 | 34.2 | 36.9 | 41.7 | 44.8 | 58.6 | 65.9 | 65.1 | 57.9 | 46.6 | 36.9 | 30.9 | 43.0 |
| Year Highest Occurred | 1980 | 1968 | 1978 | 1962 | 1976 | 1961 | 1981 | 1969 | 1962 | 1972 | 1962 | 1965 | 1962 |
| Lowest Mean Min. Temperature (F) | 18.1 | 21.1 | 22.4 | 29.9 | 37.0 | 43.6 | 54.1 | 54.1 | 44.8 | 35.4 | 25.5 | 18.2 | 37.6 |
| Year Lowest Occurred | 1964 | 1974 | 1964 | 1975 | 1965 | 1965 | 1987 | 1974 | 1973 | 1970 | 1979 | 1990 | 1989 |
| Mean Precipitation (in.) | 1.58 | 1.51 | 1.80 | 0.74 | 0.35 | 0.23 | 1.61 | 2.44 | 1.45 | 0.99 | 1.55 | 1.50 | 15.75 |
| Highest Precipitation (in.) | 5.84 | 6.45 | 5.10 | 3.55 | 1.90 | 1.24 | 3.70 | 8.27 | 4.88 | 7.69 | 5.86 | 5.73 | 27.22 |
| Year Highest Occurred | 1978 | 1980 | 1973 | 1988 | 1982 | 1967 | 1961 | 1971 | 1983 | 1972 | 1985 | 1984 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.60 |
| Year Lowest Occurred | 1972 | 1984 | 1984 | 1989 | 1988 | 1989 | 1971 | 1962 | 1989 | 1984 | 1989 | 1976 | 1989 |
| Heating Degree Days (F) | 701. | 549. | 515. | 322. | 113. | 17. | 0. | 0. | 16. | 187. | 474. | 685. | 3579. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 41. | 215. | 446. | 397. | 196. | 26. | 0. | 0. | 1331. |