| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.8 | 54.0 | 62.0 | 71.0 | 79.0 | 87.4 | 89.9 | 87.3 | 80.6 | 71.7 | 59.0 | 50.4 | 70.2 |
| Highest Mean Max. Temperature (F) | 58.8 | 63.3 | 70.9 | 77.3 | 87.0 | 96.4 | 95.9 | 93.5 | 86.6 | 79.0 | 68.0 | 60.4 | 72.5 |
| Year Highest Occurred | 1969 | 1972 | 1974 | 1972 | 1974 | 1990 | 1980 | 1964 | 1983 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 39.1 | 44.1 | 52.1 | 61.7 | 75.0 | 81.9 | 83.7 | 82.8 | 73.0 | 65.4 | 49.2 | 42.7 | 67.9 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1983 | 1986 | 1988 | 1971 | 1974 | 1969 | 1972 | 1983 | 1987 |
| Mean Temperature (F) | 35.5 | 39.3 | 46.1 | 54.6 | 63.0 | 71.6 | 75.1 | 73.1 | 66.5 | 56.5 | 45.0 | 36.7 | 55.3 |
| Highest Mean Temperature (F) | 43.4 | 46.2 | 52.6 | 59.1 | 69.0 | 79.1 | 79.7 | 77.5 | 70.6 | 62.2 | 52.4 | 43.4 | 56.4 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1967 | 1974 | 1990 | 1980 | 1969 | 1983 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 27.2 | 31.1 | 38.6 | 46.9 | 58.9 | 67.9 | 70.9 | 70.1 | 61.1 | 51.5 | 38.2 | 29.4 | 53.6 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1983 | 1979 | 1975 | 1967 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 21.1 | 24.5 | 30.2 | 38.1 | 46.9 | 55.8 | 60.3 | 58.8 | 52.2 | 41.3 | 31.0 | 22.9 | 40.3 |
| Highest Mean Min. Temperature (F) | 28.0 | 29.4 | 34.7 | 42.5 | 51.0 | 61.8 | 64.2 | 63.1 | 56.8 | 45.4 | 36.7 | 27.1 | 42.5 |
| Year Highest Occurred | 1969 | 1976 | 1986 | 1967 | 1989 | 1990 | 1969 | 1969 | 1990 | 1963 | 1965 | 1971 | 1986 |
| Lowest Mean Min. Temperature (F) | 12.2 | 18.1 | 22.6 | 32.1 | 42.4 | 51.6 | 56.4 | 54.0 | 47.9 | 37.2 | 25.8 | 16.0 | 38.3 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1973 | 1975 | 1962 | 1975 | 1979 | 1961 | 1976 | 1979 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.47 | 0.75 | 0.85 | 1.05 | 1.80 | 2.80 | 2.91 | 3.18 | 2.23 | 1.39 | 0.90 | 0.57 | 18.90 |
| Highest Precipitation (in.) | 1.75 | 2.09 | 3.68 | 3.75 | 4.44 | 8.31 | 6.66 | 8.28 | 6.32 | 6.02 | 3.95 | 1.65 | 28.71 |
| Year Highest Occurred | 1983 | 1964 | 1985 | 1977 | 1969 | 1988 | 1967 | 1989 | 1981 | 1974 | 1986 | 1982 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.17 | 0.33 | 0.00 | 0.00 | 0.00 | 9.87 |
| Year Lowest Occurred | 1986 | 1988 | 1966 | 1972 | 1961 | 1990 | 1987 | 1962 | 1983 | 1975 | 1989 | 1976 | 1964 |
| Heating Degree Days (F) | 915. | 720. | 586. | 320. | 107. | 13. | 0. | 0. | 39. | 270. | 600. | 877. | 4447. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 45. | 211. | 313. | 254. | 84. | 7. | 0. | 0. | 922. |