| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.0 | 45.9 | 50.0 | 58.3 | 67.7 | 78.6 | 81.8 | 78.7 | 73.1 | 63.6 | 51.5 | 43.4 | 61.2 |
| Highest Mean Max. Temperature (F) | 50.6 | 52.8 | 60.4 | 67.0 | 75.6 | 84.5 | 86.3 | 83.3 | 79.1 | 70.7 | 57.6 | 53.0 | 63.3 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1963 | 1972 | 1979 | 1964 | 1981 | 1977 | 1981 |
| Lowest Mean Max. Temperature (F) | 36.7 | 40.5 | 41.7 | 48.9 | 62.9 | 71.4 | 77.9 | 72.5 | 68.6 | 56.2 | 44.7 | 36.4 | 59.2 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1979 | 1965 | 1976 | 1964 | 1985 | 1971 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 30.1 | 33.7 | 37.7 | 45.1 | 53.3 | 63.1 | 68.7 | 66.0 | 59.8 | 49.8 | 38.8 | 31.4 | 48.1 |
| Highest Mean Temperature (F) | 36.9 | 38.9 | 44.6 | 53.2 | 61.4 | 68.5 | 71.9 | 70.4 | 64.0 | 54.3 | 43.3 | 40.1 | 50.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1972 | 1983 | 1964 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 25.3 | 27.8 | 31.7 | 40.1 | 48.4 | 57.5 | 65.8 | 60.4 | 56.5 | 44.2 | 33.4 | 25.6 | 46.0 |
| Year Lowest Occurred | 1989 | 1966 | 1973 | 1983 | 1980 | 1965 | 1976 | 1968 | 1988 | 1971 | 1979 | 1967 | 1964 |
| Mean Min. Temperature (F) | 18.1 | 21.5 | 25.3 | 31.8 | 38.8 | 47.6 | 55.5 | 53.4 | 46.4 | 36.0 | 26.0 | 19.3 | 35.0 |
| Highest Mean Min. Temperature (F) | 24.1 | 25.7 | 31.8 | 39.3 | 47.2 | 53.7 | 59.3 | 57.7 | 50.6 | 40.5 | 32.1 | 27.1 | 37.0 |
| Year Highest Occurred | 1969 | 1970 | 1989 | 1989 | 1984 | 1981 | 1972 | 1974 | 1983 | 1972 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 12.4 | 13.7 | 19.3 | 26.7 | 32.5 | 43.3 | 51.4 | 48.0 | 41.8 | 30.9 | 19.1 | 13.6 | 32.6 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1970 | 1971 | 1982 | 1979 | 1968 | 1973 | 1970 | 1964 | 1990 | 1979 |
| Mean Precipitation (in.) | 1.38 | 1.31 | 1.51 | 0.73 | 0.75 | 0.38 | 3.10 | 3.01 | 1.78 | 1.43 | 1.66 | 1.76 | 18.80 |
| Highest Precipitation (in.) | 4.68 | 4.73 | 4.69 | 2.62 | 2.91 | 2.62 | 5.86 | 9.50 | 3.78 | 6.30 | 5.79 | 7.44 | 24.82 |
| Year Highest Occurred | 1982 | 1980 | 1973 | 1965 | 1981 | 1988 | 1964 | 1971 | 1983 | 1972 | 1978 | 1967 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.96 | 0.54 | 0.00 | 0.00 | 0.00 | 0.00 | 11.83 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1974 | 1974 | 1978 | 1979 | 1973 | 1973 | 1973 | 1980 | 1981 | 1970 |
| Heating Degree Days (F) | 1082. | 876. | 846. | 597. | 367. | 111. | 11. | 50. | 165. | 471. | 786. | 1042. | 6404. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 54. | 125. | 81. | 9. | 0. | 0. | 0. | 269. |