| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.5 | 61.5 | 70.2 | 79.0 | 85.9 | 91.7 | 94.3 | 92.9 | 85.5 | 77.8 | 66.7 | 58.5 | 76.7 |
| Highest Mean Max. Temperature (F) | 64.5 | 71.8 | 78.7 | 85.9 | 92.0 | 98.6 | 100.7 | 97.6 | 94.7 | 85.8 | 74.7 | 65.3 | 79.1 |
| Year Highest Occurred | 1965 | 1976 | 1974 | 1972 | 1962 | 1990 | 1980 | 1983 | 1977 | 1979 | 1965 | 1970 | 1977 |
| Lowest Mean Max. Temperature (F) | 46.8 | 51.4 | 59.6 | 71.2 | 81.0 | 86.5 | 86.8 | 84.5 | 76.6 | 70.3 | 57.3 | 47.0 | 74.0 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1973 | 1987 | 1987 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1987 |
| Mean Temperature (F) | 43.5 | 47.8 | 55.9 | 65.1 | 72.3 | 78.8 | 81.8 | 80.5 | 73.7 | 65.1 | 54.0 | 45.8 | 63.7 |
| Highest Mean Temperature (F) | 49.6 | 56.7 | 63.1 | 70.5 | 77.2 | 85.2 | 86.6 | 84.8 | 80.5 | 70.3 | 60.7 | 51.5 | 65.3 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1967 | 1962 | 1990 | 1980 | 1983 | 1977 | 1979 | 1965 | 1970 | 1977 |
| Lowest Mean Temperature (F) | 36.4 | 40.3 | 46.7 | 57.8 | 68.5 | 75.5 | 76.3 | 74.4 | 66.5 | 57.7 | 45.8 | 36.1 | 61.9 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1973 | 1976 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1987 |
| Mean Min. Temperature (F) | 30.5 | 34.1 | 41.5 | 51.1 | 58.7 | 65.9 | 69.3 | 68.2 | 61.9 | 52.3 | 41.2 | 33.0 | 50.6 |
| Highest Mean Min. Temperature (F) | 36.5 | 41.6 | 48.9 | 59.1 | 63.2 | 71.7 | 72.8 | 71.9 | 66.2 | 56.6 | 46.6 | 39.3 | 52.5 |
| Year Highest Occurred | 1990 | 1976 | 1967 | 1967 | 1974 | 1990 | 1966 | 1983 | 1977 | 1983 | 1965 | 1965 | 1986 |
| Lowest Mean Min. Temperature (F) | 23.3 | 28.8 | 33.1 | 44.3 | 54.5 | 62.6 | 65.7 | 64.2 | 56.3 | 45.0 | 33.4 | 24.9 | 48.9 |
| Year Lowest Occurred | 1963 | 1978 | 1965 | 1973 | 1976 | 1973 | 1976 | 1971 | 1974 | 1976 | 1976 | 1989 | 1976 |
| Mean Precipitation (in.) | 0.66 | 0.67 | 0.84 | 1.20 | 2.89 | 2.53 | 2.36 | 2.57 | 3.16 | 1.66 | 0.74 | 0.68 | 19.96 |
| Highest Precipitation (in.) | 2.62 | 1.99 | 3.40 | 4.20 | 7.55 | 7.67 | 9.42 | 8.67 | 11.38 | 4.73 | 3.19 | 2.33 | 26.15 |
| Year Highest Occurred | 1983 | 1973 | 1970 | 1966 | 1963 | 1982 | 1976 | 1971 | 1980 | 1983 | 1968 | 1984 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.37 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 11.17 |
| Year Lowest Occurred | 1988 | 1963 | 1984 | 1984 | 1967 | 1973 | 1980 | 1983 | 1979 | 1989 | 1989 | 1988 | 1989 |
| Heating Degree Days (F) | 667. | 482. | 309. | 96. | 10. | 0. | 0. | 0. | 7. | 87. | 343. | 595. | 2596. |
| Cooling Degree Days (F) | 0. | 0. | 26. | 99. | 236. | 414. | 521. | 481. | 268. | 91. | 13. | 0. | 2149. |