| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 62.5 | 65.6 | 68.4 | 76.4 | 84.0 | 93.7 | 93.7 | 91.2 | 88.5 | 81.1 | 70.0 | 62.9 | 78.2 |
| Highest Mean Max. Temperature (F) | 71.6 | 69.7 | 77.7 | 85.0 | 90.5 | 98.5 | 97.8 | 96.6 | 94.5 | 89.2 | 74.8 | 70.1 | 80.8 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1984 | 1974 | 1979 | 1962 | 1979 | 1979 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 54.3 | 58.5 | 60.0 | 69.7 | 80.1 | 88.3 | 88.5 | 86.3 | 84.6 | 73.9 | 64.4 | 56.2 | 76.4 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1977 | 1965 | 1990 | 1971 | 1985 | 1971 | 1972 | 1978 | 1983 |
| Mean Temperature (F) | 48.6 | 51.1 | 53.7 | 60.6 | 67.4 | 77.2 | 79.9 | 77.9 | 74.3 | 66.1 | 55.4 | 49.2 | 63.5 |
| Highest Mean Temperature (F) | 54.9 | 55.2 | 60.8 | 67.0 | 73.7 | 82.1 | 82.8 | 81.4 | 77.0 | 70.3 | 59.5 | 54.9 | 65.7 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1974 | 1980 | 1962 | 1979 | 1979 | 1967 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 42.6 | 45.3 | 47.7 | 54.6 | 63.0 | 69.9 | 76.4 | 75.2 | 70.3 | 60.9 | 50.8 | 44.1 | 61.3 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1983 | 1965 | 1965 | 1984 | 1968 | 1985 | 1971 | 1972 | 1978 | 1964 |
| Mean Min. Temperature (F) | 34.6 | 36.5 | 38.9 | 44.7 | 50.7 | 60.6 | 66.1 | 64.6 | 60.1 | 51.1 | 40.7 | 35.5 | 48.7 |
| Highest Mean Min. Temperature (F) | 39.5 | 42.0 | 43.8 | 49.9 | 56.9 | 65.7 | 68.8 | 67.4 | 64.4 | 55.1 | 44.7 | 39.7 | 50.5 |
| Year Highest Occurred | 1969 | 1968 | 1972 | 1974 | 1984 | 1974 | 1989 | 1969 | 1983 | 1987 | 1967 | 1980 | 1989 |
| Lowest Mean Min. Temperature (F) | 29.6 | 29.9 | 33.6 | 39.5 | 44.1 | 51.4 | 63.4 | 61.6 | 55.5 | 46.8 | 35.5 | 31.9 | 45.2 |
| Year Lowest Occurred | 1966 | 1964 | 1965 | 1983 | 1965 | 1965 | 1965 | 1965 | 1965 | 1970 | 1964 | 1974 | 1965 |
| Mean Precipitation (in.) | 1.20 | 1.25 | 1.01 | 0.37 | 0.25 | 0.26 | 4.03 | 3.02 | 1.96 | 1.34 | 0.92 | 1.84 | 17.45 |
| Highest Precipitation (in.) | 3.94 | 4.79 | 3.88 | 1.80 | 1.44 | 2.15 | 8.24 | 6.43 | 6.12 | 6.00 | 4.16 | 8.87 | 33.22 |
| Year Highest Occurred | 1979 | 1966 | 1973 | 1988 | 1986 | 1984 | 1984 | 1983 | 1970 | 1983 | 1978 | 1965 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.14 | 1.04 | 0.00 | 0.00 | 0.00 | 0.00 | 10.44 |
| Year Lowest Occurred | 1972 | 1989 | 1984 | 1989 | 1988 | 1989 | 1972 | 1962 | 1988 | 1986 | 1980 | 1981 | 1980 |
| Heating Degree Days (F) | 508. | 389. | 360. | 167. | 42. | 0. | 0. | 0. | 0. | 65. | 291. | 490. | 2312. |
| Cooling Degree Days (F) | 0. | 0. | 9. | 35. | 116. | 366. | 462. | 400. | 279. | 99. | 0. | 0. | 1766. |