| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 66.7 | 71.6 | 76.2 | 85.0 | 93.7 | 102.7 | 105.3 | 103.4 | 98.2 | 88.2 | 75.2 | 66.6 | 86.1 |
| Highest Mean Max. Temperature (F) | 74.0 | 77.3 | 89.1 | 92.7 | 99.3 | 107.1 | 108.0 | 107.8 | 104.0 | 92.4 | 80.6 | 74.1 | 88.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1980 | 1969 | 1979 | 1965 | 1967 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 58.9 | 65.4 | 67.2 | 77.4 | 88.3 | 95.2 | 102.2 | 99.5 | 92.1 | 81.4 | 70.1 | 61.4 | 83.9 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1984 | 1963 | 1985 | 1984 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 52.5 | 56.6 | 60.8 | 68.3 | 76.8 | 85.7 | 91.2 | 89.2 | 83.0 | 72.2 | 60.2 | 52.5 | 70.8 |
| Highest Mean Temperature (F) | 58.5 | 60.9 | 69.3 | 76.4 | 83.4 | 91.2 | 94.1 | 92.2 | 87.7 | 78.3 | 63.9 | 58.4 | 73.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1989 | 1986 | 1979 | 1988 | 1967 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 48.1 | 50.2 | 54.9 | 61.6 | 72.2 | 77.7 | 88.6 | 85.2 | 78.9 | 66.7 | 55.8 | 48.4 | 68.0 |
| Year Lowest Occurred | 1964 | 1964 | 1973 | 1975 | 1977 | 1965 | 1968 | 1968 | 1985 | 1970 | 1972 | 1968 | 1964 |
| Mean Min. Temperature (F) | 38.2 | 41.6 | 45.5 | 51.5 | 59.8 | 68.6 | 77.0 | 74.9 | 67.8 | 56.2 | 45.0 | 38.3 | 55.4 |
| Highest Mean Min. Temperature (F) | 44.5 | 46.5 | 52.1 | 60.2 | 67.4 | 75.4 | 80.4 | 80.4 | 74.5 | 64.3 | 48.9 | 42.6 | 58.9 |
| Year Highest Occurred | 1980 | 1968 | 1986 | 1987 | 1984 | 1981 | 1989 | 1986 | 1983 | 1988 | 1989 | 1983 | 1989 |
| Lowest Mean Min. Temperature (F) | 31.3 | 32.3 | 39.2 | 44.7 | 54.3 | 60.2 | 73.4 | 69.1 | 62.4 | 48.2 | 39.7 | 32.1 | 52.0 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1970 | 1971 | 1965 | 1968 | 1968 | 1968 | 1969 | 1964 | 1968 | 1964 |
| Mean Precipitation (in.) | 0.87 | 0.89 | 0.97 | 0.25 | 0.11 | 0.08 | 0.82 | 1.31 | 0.87 | 0.66 | 0.70 | 1.17 | 8.70 |
| Highest Precipitation (in.) | 3.29 | 2.91 | 3.77 | 1.78 | 0.64 | 0.82 | 3.53 | 4.11 | 4.36 | 3.94 | 2.96 | 4.99 | 17.65 |
| Year Highest Occurred | 1979 | 1980 | 1978 | 1988 | 1976 | 1967 | 1984 | 1982 | 1970 | 1972 | 1982 | 1967 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.27 |
| Year Lowest Occurred | 1976 | 1989 | 1984 | 1989 | 1988 | 1989 | 1973 | 1976 | 1988 | 1973 | 1980 | 1981 | 1975 |
| Heating Degree Days (F) | 388. | 242. | 184. | 68. | 0. | 0. | 0. | 0. | 0. | 17. | 160. | 388. | 1447. |
| Cooling Degree Days (F) | 0. | 7. | 54. | 167. | 366. | 621. | 812. | 750. | 540. | 241. | 16. | 0. | 3574. |