| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 66.0 | 71.2 | 76.1 | 84.2 | 91.9 | 100.2 | 102.4 | 100.8 | 96.2 | 86.7 | 74.2 | 65.8 | 84.6 |
| Highest Mean Max. Temperature (F) | 73.1 | 76.3 | 86.5 | 91.6 | 100.2 | 103.8 | 105.7 | 105.0 | 101.7 | 91.7 | 78.8 | 73.6 | 86.7 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1983 | 1962 | 1979 | 1978 | 1967 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 59.7 | 64.9 | 67.6 | 77.9 | 86.9 | 93.1 | 99.3 | 96.5 | 91.5 | 80.6 | 68.4 | 60.1 | 81.8 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1965 | 1965 | 1976 | 1964 | 1985 | 1972 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 51.7 | 55.8 | 60.0 | 66.6 | 73.9 | 82.2 | 87.9 | 86.5 | 80.7 | 70.5 | 59.0 | 52.0 | 68.9 |
| Highest Mean Temperature (F) | 57.6 | 59.6 | 67.9 | 73.6 | 80.6 | 86.2 | 90.2 | 89.0 | 87.4 | 76.5 | 62.5 | 57.8 | 71.0 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1984 | 1990 | 1970 | 1969 | 1983 | 1988 | 1977 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 45.7 | 47.8 | 54.1 | 60.5 | 68.9 | 75.1 | 85.0 | 82.4 | 76.5 | 66.8 | 53.8 | 46.8 | 65.4 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1975 | 1965 | 1965 | 1968 | 1968 | 1985 | 1969 | 1964 | 1967 | 1964 |
| Mean Min. Temperature (F) | 37.4 | 40.4 | 43.9 | 48.9 | 56.0 | 64.2 | 73.4 | 72.1 | 65.2 | 54.2 | 43.9 | 38.1 | 53.1 |
| Highest Mean Min. Temperature (F) | 43.2 | 46.4 | 49.8 | 55.6 | 61.1 | 70.1 | 77.1 | 76.3 | 73.7 | 61.8 | 47.8 | 43.3 | 55.7 |
| Year Highest Occurred | 1980 | 1976 | 1978 | 1989 | 1987 | 1977 | 1977 | 1986 | 1983 | 1988 | 1977 | 1977 | 1990 |
| Lowest Mean Min. Temperature (F) | 27.8 | 29.8 | 36.6 | 42.9 | 50.8 | 57.1 | 69.7 | 67.0 | 58.0 | 48.2 | 37.8 | 33.2 | 49.0 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1967 | 1965 | 1965 | 1987 | 1979 | 1973 | 1961 | 1964 | 1963 | 1964 |
| Mean Precipitation (in.) | 0.78 | 0.77 | 0.98 | 0.26 | 0.17 | 0.18 | 0.87 | 1.29 | 0.89 | 0.68 | 0.67 | 1.03 | 8.57 |
| Highest Precipitation (in.) | 3.15 | 2.76 | 3.23 | 1.90 | 1.43 | 1.87 | 3.83 | 4.47 | 3.36 | 4.51 | 2.12 | 4.40 | 15.56 |
| Year Highest Occurred | 1978 | 1978 | 1983 | 1965 | 1976 | 1972 | 1984 | 1990 | 1983 | 1972 | 1978 | 1967 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 4.01 |
| Year Lowest Occurred | 1976 | 1989 | 1984 | 1989 | 1989 | 1989 | 1963 | 1975 | 1978 | 1982 | 1980 | 1981 | 1977 |
| Heating Degree Days (F) | 412. | 264. | 197. | 80. | 8. | 0. | 0. | 0. | 0. | 19. | 191. | 403. | 1574. |
| Cooling Degree Days (F) | 0. | 7. | 42. | 128. | 284. | 516. | 710. | 667. | 471. | 190. | 11. | 0. | 3026. |