| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.3 | 64.7 | 73.3 | 82.2 | 88.7 | 94.8 | 96.4 | 95.5 | 88.7 | 80.8 | 69.5 | 60.8 | 79.6 |
| Highest Mean Max. Temperature (F) | 71.8 | 74.7 | 81.6 | 90.1 | 94.3 | 105.2 | 101.8 | 101.2 | 98.2 | 88.4 | 75.9 | 68.1 | 82.6 |
| Year Highest Occurred | 1971 | 1976 | 1972 | 1972 | 1989 | 1990 | 1980 | 1985 | 1977 | 1979 | 1988 | 1970 | 1989 |
| Lowest Mean Max. Temperature (F) | 50.1 | 57.3 | 63.2 | 76.7 | 84.8 | 90.9 | 90.4 | 90.2 | 79.0 | 73.6 | 59.3 | 52.3 | 76.3 |
| Year Lowest Occurred | 1979 | 1973 | 1969 | 1973 | 1982 | 1966 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1968 |
| Mean Temperature (F) | 43.2 | 48.2 | 56.4 | 65.7 | 73.1 | 80.2 | 82.6 | 81.5 | 74.8 | 65.1 | 53.7 | 45.0 | 64.1 |
| Highest Mean Temperature (F) | 50.3 | 53.8 | 61.6 | 70.4 | 76.5 | 88.5 | 88.0 | 86.2 | 82.4 | 69.1 | 59.3 | 49.9 | 65.9 |
| Year Highest Occurred | 1971 | 1962 | 1974 | 1978 | 1989 | 1990 | 1980 | 1977 | 1977 | 1979 | 1981 | 1981 | 1977 |
| Lowest Mean Temperature (F) | 37.9 | 42.3 | 48.7 | 60.3 | 68.7 | 71.9 | 77.9 | 78.6 | 67.8 | 56.6 | 45.2 | 38.1 | 61.3 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1970 | 1970 | 1976 | 1971 | 1974 | 1970 | 1976 | 1983 | 1970 |
| Mean Min. Temperature (F) | 26.9 | 31.6 | 39.4 | 49.2 | 57.3 | 65.5 | 68.7 | 67.6 | 60.9 | 49.4 | 37.8 | 29.1 | 48.6 |
| Highest Mean Min. Temperature (F) | 33.0 | 35.8 | 43.7 | 55.5 | 61.2 | 71.8 | 74.1 | 71.7 | 66.6 | 56.5 | 44.3 | 36.9 | 51.7 |
| Year Highest Occurred | 1969 | 1987 | 1985 | 1967 | 1978 | 1990 | 1980 | 1977 | 1977 | 1983 | 1978 | 1965 | 1981 |
| Lowest Mean Min. Temperature (F) | 21.9 | 25.6 | 34.2 | 43.4 | 49.7 | 52.8 | 64.9 | 60.0 | 51.1 | 38.8 | 29.3 | 22.0 | 43.7 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1983 | 1970 | 1970 | 1985 | 1970 | 1970 | 1970 | 1972 | 1989 | 1970 |
| Mean Precipitation (in.) | 0.35 | 0.63 | 0.38 | 0.70 | 1.83 | 1.44 | 1.17 | 1.38 | 2.35 | 1.37 | 0.61 | 0.51 | 12.72 |
| Highest Precipitation (in.) | 1.10 | 2.30 | 2.10 | 3.27 | 5.52 | 4.39 | 4.08 | 3.65 | 11.68 | 5.12 | 2.63 | 3.29 | 24.30 |
| Year Highest Occurred | 1961 | 1965 | 1970 | 1981 | 1987 | 1966 | 1973 | 1972 | 1980 | 1981 | 1968 | 1986 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.05 | 0.00 | 0.07 | 0.08 | 0.00 | 0.00 | 0.00 | 5.59 |
| Year Lowest Occurred | 1988 | 1974 | 1984 | 1984 | 1967 | 1990 | 1971 | 1975 | 1982 | 1988 | 1987 | 1985 | 1967 |
| Heating Degree Days (F) | 676. | 470. | 284. | 72. | 0. | 0. | 0. | 0. | 7. | 95. | 348. | 620. | 2572. |
| Cooling Degree Days (F) | 0. | 0. | 17. | 93. | 254. | 456. | 546. | 512. | 301. | 98. | 9. | 0. | 2286. |