| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.9 | 59.1 | 64.9 | 73.5 | 81.8 | 90.9 | 91.4 | 88.6 | 83.3 | 74.5 | 63.5 | 55.3 | 73.5 |
| Highest Mean Max. Temperature (F) | 62.0 | 63.6 | 74.0 | 81.5 | 86.2 | 96.8 | 97.1 | 94.2 | 87.4 | 80.9 | 71.4 | 61.8 | 75.7 |
| Year Highest Occurred | 1986 | 1967 | 1972 | 1989 | 1974 | 1980 | 1980 | 1977 | 1977 | 1979 | 1966 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 48.0 | 51.9 | 56.1 | 60.6 | 74.2 | 82.7 | 85.3 | 80.5 | 80.4 | 66.2 | 56.9 | 46.2 | 67.9 |
| Year Lowest Occurred | 1979 | 1966 | 1983 | 1983 | 1983 | 1984 | 1984 | 1984 | 1964 | 1984 | 1961 | 1982 | 1983 |
| Mean Temperature (F) | 39.8 | 43.3 | 48.4 | 55.7 | 63.7 | 72.8 | 76.1 | 73.7 | 68.2 | 58.2 | 47.3 | 40.4 | 57.3 |
| Highest Mean Temperature (F) | 45.5 | 48.3 | 56.6 | 62.6 | 69.7 | 78.0 | 80.0 | 78.5 | 71.4 | 62.1 | 51.6 | 49.2 | 59.0 |
| Year Highest Occurred | 1969 | 1968 | 1972 | 1989 | 1984 | 1990 | 1980 | 1969 | 1983 | 1988 | 1981 | 1977 | 1989 |
| Lowest Mean Temperature (F) | 34.4 | 35.7 | 43.5 | 48.1 | 59.5 | 67.4 | 73.7 | 68.4 | 61.8 | 53.5 | 42.8 | 36.8 | 55.1 |
| Year Lowest Occurred | 1964 | 1966 | 1962 | 1983 | 1983 | 1983 | 1986 | 1985 | 1985 | 1976 | 1979 | 1982 | 1964 |
| Mean Min. Temperature (F) | 24.6 | 27.4 | 31.8 | 37.9 | 45.7 | 54.6 | 60.7 | 58.8 | 53.1 | 41.9 | 30.9 | 25.5 | 41.1 |
| Highest Mean Min. Temperature (F) | 30.3 | 33.7 | 39.2 | 43.7 | 57.1 | 59.7 | 64.1 | 63.3 | 60.4 | 47.6 | 36.6 | 37.2 | 44.0 |
| Year Highest Occurred | 1969 | 1968 | 1972 | 1989 | 1984 | 1990 | 1969 | 1969 | 1983 | 1972 | 1978 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 16.5 | 17.3 | 25.9 | 32.8 | 41.1 | 48.1 | 56.1 | 46.0 | 41.3 | 37.0 | 24.3 | 19.5 | 38.1 |
| Year Lowest Occurred | 1964 | 1964 | 1977 | 1975 | 1965 | 1965 | 1985 | 1985 | 1985 | 1976 | 1964 | 1976 | 1964 |
| Mean Precipitation (in.) | 0.64 | 0.46 | 0.41 | 0.16 | 0.24 | 0.82 | 2.49 | 2.89 | 1.97 | 1.31 | 0.82 | 1.10 | 13.31 |
| Highest Precipitation (in.) | 1.62 | 1.65 | 1.43 | 0.96 | 1.32 | 3.26 | 4.69 | 9.02 | 4.67 | 4.99 | 3.83 | 3.57 | 23.63 |
| Year Highest Occurred | 1975 | 1980 | 1968 | 1985 | 1982 | 1966 | 1990 | 1988 | 1975 | 1985 | 1986 | 1984 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.62 | 0.25 | 0.00 | 0.00 | 0.00 | 7.19 |
| Year Lowest Occurred | 1986 | 1984 | 1979 | 1989 | 1988 | 1990 | 1982 | 1962 | 1968 | 1982 | 1989 | 1976 | 1980 |
| Heating Degree Days (F) | 781. | 608. | 515. | 287. | 90. | 8. | 0. | 0. | 23. | 220. | 531. | 763. | 3826. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 50. | 242. | 344. | 274. | 119. | 9. | 0. | 0. | 1046. |