| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.1 | 44.1 | 53.1 | 63.3 | 72.9 | 83.2 | 89.1 | 86.8 | 78.2 | 66.8 | 50.9 | 38.5 | 63.6 |
| Highest Mean Max. Temperature (F) | 45.7 | 51.5 | 62.0 | 70.6 | 79.7 | 89.9 | 92.8 | 90.8 | 84.0 | 74.9 | 55.9 | 50.1 | 66.2 |
| Year Highest Occurred | 1981 | 1970 | 1986 | 1981 | 1969 | 1977 | 1989 | 1969 | 1979 | 1988 | 1967 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 26.3 | 36.1 | 43.4 | 56.7 | 67.6 | 77.9 | 85.3 | 81.7 | 68.2 | 56.1 | 43.6 | 28.3 | 60.5 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1983 | 1983 | 1967 | 1965 | 1968 | 1961 | 1969 | 1972 | 1978 | 1964 |
| Mean Temperature (F) | 22.1 | 30.0 | 38.4 | 46.7 | 55.4 | 64.1 | 70.5 | 68.5 | 59.8 | 48.8 | 36.4 | 25.1 | 47.2 |
| Highest Mean Temperature (F) | 30.9 | 37.2 | 45.3 | 52.8 | 59.8 | 69.4 | 73.0 | 72.8 | 65.6 | 54.2 | 40.5 | 35.4 | 49.8 |
| Year Highest Occurred | 1981 | 1986 | 1986 | 1989 | 1969 | 1988 | 1989 | 1983 | 1990 | 1988 | 1965 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 13.1 | 21.2 | 30.4 | 42.0 | 51.4 | 60.3 | 65.3 | 64.4 | 52.8 | 42.9 | 30.0 | 15.4 | 44.3 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1970 | 1975 | 1962 | 1962 | 1962 | 1961 | 1969 | 1979 | 1978 | 1975 |
| Mean Min. Temperature (F) | 8.1 | 15.9 | 23.6 | 30.2 | 37.9 | 44.9 | 51.9 | 50.2 | 41.4 | 30.6 | 22.0 | 11.6 | 30.7 |
| Highest Mean Min. Temperature (F) | 17.7 | 25.1 | 29.3 | 35.9 | 40.9 | 50.8 | 55.6 | 56.1 | 47.3 | 38.2 | 26.5 | 20.6 | 34.0 |
| Year Highest Occurred | 1980 | 1986 | 1978 | 1989 | 1985 | 1988 | 1981 | 1983 | 1981 | 1972 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | -2.0 | 4.0 | 16.8 | 26.5 | 35.0 | 39.8 | 44.1 | 42.2 | 36.2 | 25.2 | 14.5 | 2.2 | 27.1 |
| Year Lowest Occurred | 1963 | 1974 | 1962 | 1970 | 1975 | 1962 | 1962 | 1962 | 1968 | 1976 | 1975 | 1972 | 1962 |
| Mean Precipitation (in.) | 0.95 | 0.85 | 1.01 | 0.95 | 1.06 | 0.95 | 1.01 | 1.05 | 1.19 | 1.35 | 1.02 | 1.15 | 12.54 |
| Highest Precipitation (in.) | 2.80 | 3.94 | 3.83 | 2.60 | 3.22 | 3.71 | 2.63 | 2.60 | 3.30 | 3.63 | 3.59 | 3.25 | 21.76 |
| Year Highest Occurred | 1980 | 1980 | 1980 | 1985 | 1979 | 1984 | 1989 | 1984 | 1986 | 1969 | 1985 | 1978 | 1985 |
| Lowest Precipitation (in.) | 0.01 | 0.05 | 0.12 | 0.08 | 0.00 | 0.00 | 0.21 | 0.10 | 0.07 | 0.03 | 0.00 | 0.02 | 7.96 |
| Year Lowest Occurred | 1961 | 1972 | 1966 | 1982 | 1974 | 1971 | 1978 | 1975 | 1979 | 1964 | 1976 | 1976 | 1962 |
| Heating Degree Days (F) | 1330. | 980. | 825. | 549. | 298. | 95. | 0. | 23. | 184. | 502. | 858. | 1237. | 6881. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 68. | 175. | 131. | 28. | 0. | 0. | 0. | 402. |