| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 60.6 | 64.9 | 71.9 | 79.5 | 85.6 | 90.3 | 89.3 | 87.6 | 83.1 | 77.6 | 68.9 | 62.3 | 76.8 |
| Highest Mean Max. Temperature (F) | 65.6 | 73.2 | 79.1 | 86.2 | 90.9 | 97.5 | 95.4 | 93.7 | 91.3 | 85.3 | 75.6 | 69.1 | 79.0 |
| Year Highest Occurred | 1974 | 1976 | 1974 | 1972 | 1962 | 1980 | 1980 | 1962 | 1977 | 1979 | 1973 | 1970 | 1977 |
| Lowest Mean Max. Temperature (F) | 51.0 | 57.4 | 64.6 | 72.5 | 80.0 | 85.5 | 83.2 | 82.3 | 77.4 | 72.8 | 59.7 | 56.2 | 74.4 |
| Year Lowest Occurred | 1961 | 1966 | 1969 | 1987 | 1987 | 1986 | 1976 | 1990 | 1974 | 1980 | 1976 | 1986 | 1968 |
| Mean Temperature (F) | 45.4 | 48.9 | 55.2 | 62.8 | 69.6 | 75.7 | 76.1 | 74.5 | 70.0 | 62.5 | 53.4 | 47.1 | 61.8 |
| Highest Mean Temperature (F) | 50.6 | 55.5 | 62.4 | 67.3 | 73.6 | 82.2 | 81.1 | 79.3 | 76.3 | 65.7 | 59.0 | 52.6 | 63.7 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1967 | 1974 | 1980 | 1980 | 1977 | 1977 | 1972 | 1965 | 1970 | 1977 |
| Lowest Mean Temperature (F) | 40.3 | 42.7 | 48.7 | 56.1 | 65.7 | 72.9 | 71.8 | 71.2 | 66.1 | 57.2 | 45.4 | 42.1 | 59.9 |
| Year Lowest Occurred | 1985 | 1964 | 1969 | 1983 | 1987 | 1979 | 1976 | 1990 | 1974 | 1976 | 1976 | 1989 | 1976 |
| Mean Min. Temperature (F) | 30.1 | 32.8 | 38.5 | 46.1 | 53.6 | 61.0 | 62.9 | 61.3 | 56.8 | 47.3 | 38.0 | 31.9 | 46.7 |
| Highest Mean Min. Temperature (F) | 36.4 | 38.9 | 45.7 | 52.1 | 57.7 | 67.0 | 66.7 | 65.7 | 61.2 | 51.8 | 44.3 | 37.8 | 48.7 |
| Year Highest Occurred | 1965 | 1962 | 1974 | 1967 | 1974 | 1990 | 1980 | 1964 | 1977 | 1983 | 1965 | 1971 | 1965 |
| Lowest Mean Min. Temperature (F) | 23.8 | 26.7 | 32.7 | 37.6 | 48.9 | 58.3 | 59.6 | 58.1 | 51.6 | 41.1 | 30.6 | 26.6 | 44.5 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1983 | 1983 | 1979 | 1961 | 1961 | 1979 | 1976 | 1979 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.45 | 0.46 | 0.39 | 0.53 | 1.21 | 2.20 | 2.74 | 2.98 | 3.30 | 1.51 | 0.58 | 0.54 | 16.89 |
| Highest Precipitation (in.) | 1.60 | 2.96 | 1.69 | 3.64 | 3.41 | 7.01 | 7.65 | 8.20 | 11.15 | 4.44 | 3.24 | 2.60 | 24.43 |
| Year Highest Occurred | 1981 | 1989 | 1968 | 1987 | 1982 | 1984 | 1973 | 1989 | 1974 | 1983 | 1968 | 1986 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.05 | 0.45 | 0.11 | 0.00 | 0.00 | 0.00 | 7.98 |
| Year Lowest Occurred | 1988 | 1974 | 1982 | 1988 | 1967 | 1974 | 1980 | 1969 | 1982 | 1979 | 1988 | 1973 | 1964 |
| Heating Degree Days (F) | 608. | 451. | 317. | 123. | 16. | 0. | 0. | 0. | 19. | 116. | 354. | 555. | 2559. |
| Cooling Degree Days (F) | 0. | 0. | 13. | 57. | 158. | 321. | 344. | 295. | 169. | 38. | 6. | 0. | 1401. |