| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.3 | 48.1 | 54.8 | 63.9 | 73.8 | 85.0 | 91.4 | 88.6 | 80.7 | 69.1 | 53.7 | 43.5 | 66.2 |
| Highest Mean Max. Temperature (F) | 52.6 | 57.9 | 66.5 | 71.5 | 80.2 | 92.1 | 95.2 | 93.6 | 91.8 | 79.5 | 60.5 | 55.2 | 70.0 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1974 | 1981 | 1969 | 1979 | 1977 | 1981 | 1981 | 1977 |
| Lowest Mean Max. Temperature (F) | 34.2 | 40.2 | 45.9 | 53.8 | 67.3 | 78.3 | 87.0 | 83.7 | 72.8 | 60.2 | 45.9 | 34.2 | 63.9 |
| Year Lowest Occurred | 1979 | 1989 | 1973 | 1967 | 1965 | 1965 | 1982 | 1968 | 1986 | 1972 | 1972 | 1990 | 1982 |
| Mean Temperature (F) | 28.0 | 33.7 | 39.4 | 46.5 | 55.4 | 65.0 | 72.1 | 70.1 | 61.8 | 50.6 | 38.3 | 29.2 | 49.2 |
| Highest Mean Temperature (F) | 36.8 | 40.9 | 46.1 | 52.8 | 59.7 | 69.4 | 74.6 | 74.3 | 73.8 | 56.2 | 43.3 | 38.1 | 51.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1979 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 21.0 | 26.6 | 33.9 | 39.8 | 51.2 | 60.0 | 68.2 | 67.0 | 56.2 | 44.6 | 33.6 | 19.7 | 47.4 |
| Year Lowest Occurred | 1973 | 1989 | 1962 | 1967 | 1977 | 1965 | 1962 | 1976 | 1965 | 1971 | 1964 | 1990 | 1971 |
| Mean Min. Temperature (F) | 13.6 | 19.4 | 23.9 | 29.0 | 36.9 | 44.9 | 52.7 | 51.7 | 42.8 | 32.0 | 22.9 | 14.7 | 32.0 |
| Highest Mean Min. Temperature (F) | 23.7 | 27.9 | 30.8 | 34.2 | 41.0 | 49.1 | 56.5 | 56.8 | 55.7 | 38.9 | 28.7 | 21.2 | 34.5 |
| Year Highest Occurred | 1969 | 1983 | 1978 | 1990 | 1969 | 1972 | 1985 | 1986 | 1979 | 1963 | 1965 | 1983 | 1986 |
| Lowest Mean Min. Temperature (F) | 7.1 | 9.1 | 13.7 | 23.2 | 32.4 | 38.3 | 46.8 | 46.3 | 35.2 | 25.5 | 18.0 | 5.2 | 29.6 |
| Year Lowest Occurred | 1989 | 1964 | 1977 | 1970 | 1962 | 1980 | 1962 | 1976 | 1970 | 1971 | 1964 | 1990 | 1971 |
| Mean Precipitation (in.) | 0.67 | 0.84 | 1.10 | 0.91 | 0.68 | 0.37 | 1.39 | 1.25 | 1.02 | 0.96 | 0.76 | 0.58 | 10.53 |
| Highest Precipitation (in.) | 3.22 | 2.95 | 3.61 | 4.48 | 2.51 | 1.49 | 6.99 | 3.96 | 3.91 | 3.48 | 2.21 | 2.21 | 17.27 |
| Year Highest Occurred | 1980 | 1969 | 1983 | 1988 | 1977 | 1969 | 1984 | 1970 | 1982 | 1985 | 1987 | 1965 | 1980 |
| Lowest Precipitation (in.) | 0.03 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.49 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1974 | 1984 | 1980 | 1963 | 1985 | 1979 | 1970 | 1976 | 1989 | 1964 |
| Heating Degree Days (F) | 1147. | 876. | 794. | 555. | 304. | 82. | 0. | 10. | 162. | 446. | 801. | 1110. | 6287. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 82. | 224. | 169. | 66. | 0. | 0. | 0. | 547. |