| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.0 | 48.8 | 57.7 | 67.1 | 76.7 | 87.7 | 92.8 | 90.1 | 82.0 | 69.6 | 54.5 | 42.4 | 67.5 |
| Highest Mean Max. Temperature (F) | 50.7 | 55.5 | 67.4 | 75.4 | 85.5 | 93.6 | 96.3 | 93.9 | 86.8 | 77.6 | 60.5 | 51.4 | 70.0 |
| Year Highest Occurred | 1986 | 1986 | 1972 | 1989 | 1984 | 1977 | 1963 | 1985 | 1979 | 1964 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 31.4 | 40.3 | 51.5 | 59.6 | 71.6 | 82.6 | 87.7 | 85.5 | 77.8 | 61.7 | 46.7 | 32.7 | 65.1 |
| Year Lowest Occurred | 1979 | 1974 | 1970 | 1983 | 1975 | 1965 | 1983 | 1968 | 1986 | 1972 | 1972 | 1978 | 1982 |
| Mean Temperature (F) | 32.3 | 39.2 | 46.8 | 55.0 | 64.4 | 74.7 | 80.3 | 78.1 | 70.2 | 58.1 | 45.0 | 34.2 | 56.5 |
| Highest Mean Temperature (F) | 41.2 | 45.8 | 54.6 | 62.8 | 71.9 | 79.0 | 84.2 | 81.8 | 74.5 | 64.8 | 51.2 | 42.4 | 58.8 |
| Year Highest Occurred | 1986 | 1986 | 1972 | 1989 | 1984 | 1977 | 1963 | 1966 | 1979 | 1964 | 1965 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 21.7 | 32.0 | 41.8 | 47.2 | 59.8 | 69.0 | 74.9 | 73.4 | 66.5 | 52.0 | 39.1 | 25.7 | 54.4 |
| Year Lowest Occurred | 1963 | 1974 | 1962 | 1970 | 1971 | 1964 | 1983 | 1968 | 1961 | 1982 | 1979 | 1978 | 1975 |
| Mean Min. Temperature (F) | 23.6 | 29.6 | 35.7 | 42.8 | 52.0 | 61.7 | 67.7 | 65.9 | 58.2 | 46.5 | 35.4 | 26.0 | 45.4 |
| Highest Mean Min. Temperature (F) | 31.6 | 36.1 | 42.7 | 50.1 | 58.3 | 65.6 | 72.6 | 71.6 | 62.3 | 52.8 | 42.7 | 33.6 | 48.0 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1989 | 1984 | 1986 | 1966 | 1966 | 1990 | 1988 | 1965 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 11.9 | 23.7 | 30.2 | 34.3 | 47.1 | 54.1 | 62.0 | 61.2 | 54.4 | 38.7 | 30.6 | 17.1 | 43.6 |
| Year Lowest Occurred | 1963 | 1974 | 1962 | 1970 | 1971 | 1964 | 1983 | 1968 | 1961 | 1982 | 1979 | 1967 | 1975 |
| Mean Precipitation (in.) | 0.46 | 0.52 | 0.60 | 0.42 | 0.43 | 0.28 | 0.91 | 0.99 | 0.81 | 0.93 | 0.65 | 0.66 | 7.66 |
| Highest Precipitation (in.) | 1.90 | 1.40 | 2.22 | 1.62 | 1.53 | 1.53 | 2.30 | 3.77 | 2.89 | 5.61 | 2.80 | 2.32 | 13.34 |
| Year Highest Occurred | 1974 | 1973 | 1983 | 1980 | 1976 | 1973 | 1983 | 1982 | 1972 | 1972 | 1987 | 1965 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.48 |
| Year Lowest Occurred | 1976 | 1977 | 1977 | 1989 | 1984 | 1987 | 1973 | 1985 | 1974 | 1967 | 1989 | 1989 | 1977 |
| Heating Degree Days (F) | 1014. | 722. | 564. | 318. | 112. | 9. | 0. | 0. | 11. | 252. | 600. | 955. | 4557. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 18. | 93. | 300. | 474. | 406. | 167. | 39. | 0. | 0. | 1497. |