| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.4 | 43.3 | 49.6 | 57.8 | 67.0 | 75.2 | 82.8 | 82.2 | 73.6 | 61.7 | 44.9 | 37.0 | 59.4 |
| Highest Mean Max. Temperature (F) | 43.8 | 49.1 | 55.4 | 64.5 | 73.1 | 83.2 | 90.9 | 90.4 | 82.7 | 71.5 | 49.4 | 42.8 | 61.8 |
| Year Highest Occurred | 1976 | 1963 | 1986 | 1987 | 1983 | 1961 | 1985 | 1967 | 1967 | 1988 | 1976 | 1975 | 1967 |
| Lowest Mean Max. Temperature (F) | 28.0 | 34.8 | 43.1 | 52.8 | 58.8 | 68.8 | 77.3 | 74.2 | 66.1 | 55.0 | 34.3 | 26.5 | 57.1 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1963 | 1977 | 1980 | 1986 | 1962 | 1977 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 30.3 | 35.0 | 39.4 | 45.1 | 52.5 | 60.0 | 65.5 | 64.7 | 57.5 | 48.1 | 37.7 | 30.9 | 47.2 |
| Highest Mean Temperature (F) | 36.6 | 39.5 | 43.5 | 49.5 | 56.1 | 65.5 | 70.0 | 70.7 | 63.7 | 54.1 | 42.5 | 36.6 | 49.2 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1987 | 1969 | 1970 | 1985 | 1981 | 1976 | 1988 | 1974 | 1975 | 1981 |
| Lowest Mean Temperature (F) | 18.4 | 25.6 | 34.1 | 41.1 | 47.7 | 55.5 | 62.3 | 60.3 | 51.4 | 43.3 | 25.5 | 19.6 | 43.8 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1977 | 1971 | 1963 | 1964 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 23.2 | 26.7 | 29.1 | 32.5 | 37.9 | 44.7 | 48.1 | 47.2 | 41.2 | 34.4 | 30.4 | 24.7 | 35.0 |
| Highest Mean Min. Temperature (F) | 31.6 | 31.4 | 35.3 | 35.6 | 42.1 | 50.1 | 51.4 | 51.0 | 48.0 | 40.7 | 35.6 | 30.7 | 37.9 |
| Year Highest Occurred | 1981 | 1961 | 1983 | 1988 | 1981 | 1969 | 1980 | 1981 | 1976 | 1975 | 1974 | 1979 | 1981 |
| Lowest Mean Min. Temperature (F) | 8.8 | 16.3 | 24.3 | 29.0 | 32.9 | 40.1 | 45.0 | 43.3 | 35.8 | 28.1 | 16.6 | 12.6 | 30.5 |
| Year Lowest Occurred | 1979 | 1989 | 1966 | 1982 | 1967 | 1984 | 1984 | 1985 | 1985 | 1972 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 8.05 | 5.93 | 4.65 | 2.06 | 1.28 | 0.99 | 0.36 | 0.84 | 1.40 | 2.97 | 7.21 | 8.07 | 43.81 |
| Highest Precipitation (in.) | 15.36 | 15.35 | 11.96 | 4.02 | 3.48 | 3.45 | 1.55 | 3.74 | 4.04 | 7.31 | 16.88 | 18.41 | 64.03 |
| Year Highest Occurred | 1972 | 1982 | 1971 | 1962 | 1984 | 1981 | 1983 | 1968 | 1972 | 1967 | 1983 | 1980 | 1983 |
| Lowest Precipitation (in.) | 0.11 | 0.48 | 1.50 | 0.00 | 0.04 | 0.08 | 0.00 | 0.00 | 0.00 | 0.07 | 0.95 | 1.89 | 24.71 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1977 | 1970 | 1976 | 1985 | 1988 | 1987 | 1978 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1076. | 840. | 794. | 597. | 388. | 178. | 57. | 94. | 246. | 524. | 819. | 1057. | 6670. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 28. | 73. | 85. | 21. | 0. | 0. | 0. | 207. |