| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 60.0 | 65.5 | 69.6 | 78.6 | 88.0 | 98.7 | 102.4 | 99.2 | 93.8 | 84.1 | 70.9 | 60.1 | 80.9 |
| Highest Mean Max. Temperature (F) | 68.2 | 72.1 | 81.6 | 89.4 | 95.5 | 105.4 | 105.9 | 104.4 | 101.0 | 91.1 | 81.6 | 69.4 | 85.9 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1980 | 1962 | 1979 | 1964 | 1989 | 1989 | 1989 |
| Lowest Mean Max. Temperature (F) | 52.2 | 58.2 | 55.8 | 70.4 | 81.2 | 91.1 | 97.3 | 94.0 | 87.0 | 73.7 | 60.4 | 52.2 | 77.9 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1975 | 1971 | 1965 | 1986 | 1968 | 1986 | 1971 | 1972 | 1967 | 1971 |
| Mean Temperature (F) | 45.9 | 50.0 | 53.8 | 61.0 | 69.6 | 79.1 | 85.5 | 82.8 | 76.7 | 66.3 | 54.4 | 46.3 | 64.3 |
| Highest Mean Temperature (F) | 51.7 | 55.5 | 62.1 | 68.1 | 74.8 | 84.7 | 88.7 | 86.0 | 82.2 | 71.9 | 61.2 | 53.4 | 67.5 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1984 | 1974 | 1963 | 1962 | 1979 | 1988 | 1989 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 41.3 | 44.4 | 45.0 | 53.2 | 64.4 | 72.8 | 81.4 | 79.7 | 71.3 | 56.7 | 47.6 | 39.8 | 61.2 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1986 | 1968 | 1986 | 1971 | 1972 | 1967 | 1971 |
| Mean Min. Temperature (F) | 31.8 | 34.4 | 37.9 | 43.4 | 51.1 | 59.4 | 68.6 | 66.4 | 59.7 | 48.4 | 37.9 | 32.4 | 47.6 |
| Highest Mean Min. Temperature (F) | 38.1 | 40.2 | 42.5 | 48.9 | 54.9 | 67.0 | 72.0 | 70.0 | 64.6 | 54.5 | 44.0 | 40.4 | 50.1 |
| Year Highest Occurred | 1969 | 1980 | 1972 | 1990 | 1968 | 1968 | 1963 | 1982 | 1983 | 1988 | 1965 | 1965 | 1981 |
| Lowest Mean Min. Temperature (F) | 26.8 | 28.0 | 31.2 | 36.0 | 46.1 | 50.6 | 62.8 | 62.2 | 54.4 | 39.6 | 30.3 | 27.0 | 44.3 |
| Year Lowest Occurred | 1970 | 1979 | 1977 | 1975 | 1980 | 1976 | 1987 | 1976 | 1985 | 1971 | 1971 | 1974 | 1976 |
| Mean Precipitation (in.) | 1.82 | 1.71 | 1.95 | 0.89 | 0.38 | 0.32 | 2.03 | 2.58 | 1.83 | 1.34 | 1.63 | 2.36 | 18.84 |
| Highest Precipitation (in.) | 7.43 | 9.14 | 6.50 | 4.58 | 1.43 | 1.77 | 4.25 | 5.73 | 6.27 | 9.24 | 6.28 | 9.71 | 34.15 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1965 | 1969 | 1972 | 1990 | 1963 | 1983 | 1972 | 1978 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.44 | 0.00 | 0.00 | 0.00 | 0.02 | 10.87 |
| Year Lowest Occurred | 1972 | 1974 | 1972 | 1989 | 1983 | 1989 | 1963 | 1962 | 1973 | 1973 | 1980 | 1981 | 1989 |
| Heating Degree Days (F) | 592. | 420. | 358. | 181. | 23. | 0. | 0. | 0. | 0. | 108. | 326. | 580. | 2588. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 61. | 166. | 423. | 636. | 552. | 351. | 148. | 8. | 0. | 2356. |