| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.3 | 62.9 | 66.2 | 74.2 | 82.3 | 92.2 | 91.0 | 87.7 | 84.9 | 77.8 | 67.1 | 60.2 | 75.5 |
| Highest Mean Max. Temperature (F) | 65.9 | 69.1 | 75.2 | 81.1 | 87.4 | 99.0 | 96.6 | 94.0 | 89.8 | 83.6 | 72.0 | 68.5 | 78.9 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1984 | 1980 | 1979 | 1980 | 1979 | 1979 | 1981 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 53.3 | 55.8 | 58.5 | 65.6 | 78.0 | 86.7 | 86.4 | 82.2 | 79.7 | 70.4 | 61.0 | 54.9 | 72.4 |
| Year Lowest Occurred | 1985 | 1966 | 1973 | 1983 | 1987 | 1965 | 1990 | 1963 | 1964 | 1984 | 1961 | 1971 | 1964 |
| Mean Temperature (F) | 47.1 | 50.0 | 53.1 | 60.3 | 68.5 | 77.8 | 78.4 | 75.8 | 72.8 | 65.4 | 54.2 | 47.9 | 62.6 |
| Highest Mean Temperature (F) | 53.9 | 55.5 | 62.0 | 68.3 | 73.9 | 82.5 | 82.2 | 80.7 | 76.4 | 70.4 | 59.2 | 53.0 | 65.5 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1984 | 1974 | 1989 | 1962 | 1989 | 1965 | 1965 | 1981 | 1989 |
| Lowest Mean Temperature (F) | 42.6 | 43.7 | 46.0 | 52.7 | 63.3 | 72.2 | 74.7 | 72.3 | 69.0 | 59.2 | 48.6 | 41.8 | 60.7 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1983 | 1977 | 1965 | 1976 | 1968 | 1976 | 1971 | 1972 | 1971 | 1983 |
| Mean Min. Temperature (F) | 34.8 | 37.0 | 40.0 | 46.3 | 54.6 | 63.3 | 65.9 | 63.8 | 60.6 | 53.0 | 41.3 | 35.5 | 49.7 |
| Highest Mean Min. Temperature (F) | 41.9 | 42.7 | 48.8 | 55.4 | 60.4 | 68.3 | 70.0 | 68.6 | 64.6 | 59.1 | 48.6 | 39.4 | 53.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1990 | 1989 | 1962 | 1989 | 1987 | 1965 | 1981 | 1989 |
| Lowest Mean Min. Temperature (F) | 30.1 | 31.1 | 31.2 | 39.6 | 46.8 | 57.7 | 61.5 | 59.7 | 54.6 | 46.0 | 33.9 | 28.6 | 47.0 |
| Year Lowest Occurred | 1973 | 1964 | 1977 | 1977 | 1977 | 1965 | 1976 | 1968 | 1976 | 1976 | 1972 | 1971 | 1976 |
| Mean Precipitation (in.) | 1.65 | 1.40 | 1.43 | 0.60 | 0.21 | 0.64 | 5.25 | 4.15 | 2.69 | 1.86 | 1.26 | 2.20 | 23.34 |
| Highest Precipitation (in.) | 4.53 | 3.94 | 5.21 | 2.87 | 1.40 | 3.30 | 11.15 | 8.07 | 8.31 | 5.64 | 4.36 | 9.13 | 39.63 |
| Year Highest Occurred | 1979 | 1980 | 1973 | 1988 | 1987 | 1990 | 1990 | 1961 | 1983 | 1972 | 1978 | 1965 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.43 | 0.91 | 0.00 | 0.00 | 0.00 | 0.00 | 15.55 |
| Year Lowest Occurred | 1972 | 1984 | 1984 | 1989 | 1988 | 1983 | 1989 | 1973 | 1968 | 1982 | 1980 | 1981 | 1962 |
| Heating Degree Days (F) | 555. | 420. | 382. | 188. | 30. | 0. | 0. | 0. | 0. | 90. | 330. | 530. | 2525. |
| Cooling Degree Days (F) | 0. | 0. | 14. | 47. | 139. | 384. | 415. | 335. | 234. | 103. | 6. | 0. | 1677. |