| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.7 | 48.2 | 57.4 | 66.3 | 76.1 | 85.3 | 94.1 | 91.7 | 81.1 | 68.6 | 51.7 | 40.1 | 66.7 |
| Highest Mean Max. Temperature (F) | 46.9 | 56.5 | 63.9 | 76.7 | 82.8 | 94.7 | 98.1 | 98.0 | 89.2 | 78.0 | 57.3 | 46.5 | 68.8 |
| Year Highest Occurred | 1967 | 1963 | 1978 | 1987 | 1969 | 1961 | 1985 | 1981 | 1990 | 1988 | 1962 | 1979 | 1981 |
| Lowest Mean Max. Temperature (F) | 29.3 | 35.9 | 51.2 | 57.7 | 70.4 | 79.4 | 87.3 | 83.2 | 72.3 | 61.4 | 39.3 | 24.9 | 62.5 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1984 | 1987 | 1968 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 30.9 | 37.3 | 44.0 | 51.3 | 59.9 | 68.5 | 75.4 | 73.3 | 63.2 | 52.5 | 40.7 | 31.1 | 52.3 |
| Highest Mean Temperature (F) | 38.6 | 43.6 | 50.1 | 58.3 | 64.5 | 74.4 | 79.8 | 78.4 | 70.3 | 59.5 | 44.9 | 37.9 | 54.0 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1987 | 1969 | 1961 | 1985 | 1961 | 1990 | 1988 | 1966 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 20.2 | 26.8 | 38.7 | 45.1 | 56.1 | 64.2 | 71.6 | 67.9 | 57.0 | 47.6 | 29.6 | 16.4 | 48.6 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1967 | 1977 | 1984 | 1986 | 1968 | 1965 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 21.9 | 26.4 | 30.6 | 36.1 | 43.6 | 51.6 | 56.7 | 54.9 | 45.3 | 36.4 | 29.6 | 22.1 | 37.9 |
| Highest Mean Min. Temperature (F) | 31.0 | 34.4 | 36.2 | 41.1 | 48.7 | 56.7 | 61.5 | 60.5 | 51.4 | 41.7 | 34.9 | 30.0 | 39.8 |
| Year Highest Occurred | 1978 | 1986 | 1983 | 1990 | 1987 | 1988 | 1985 | 1984 | 1963 | 1963 | 1983 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 11.1 | 17.7 | 22.4 | 31.5 | 40.8 | 48.0 | 53.1 | 51.3 | 39.6 | 32.0 | 19.9 | 7.8 | 34.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1982 | 1976 | 1965 | 1964 | 1970 | 1966 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.82 | 0.60 | 0.73 | 0.70 | 0.63 | 0.84 | 0.19 | 0.34 | 0.57 | 0.51 | 1.02 | 0.78 | 7.73 |
| Highest Precipitation (in.) | 1.88 | 1.96 | 2.36 | 1.76 | 2.09 | 3.58 | 0.72 | 3.36 | 2.38 | 2.26 | 2.48 | 2.29 | 13.30 |
| Year Highest Occurred | 1982 | 1978 | 1983 | 1963 | 1980 | 1970 | 1970 | 1968 | 1980 | 1975 | 1970 | 1983 | 1970 |
| Lowest Precipitation (in.) | 0.00 | 0.04 | 0.00 | 0.07 | 0.10 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.00 | 4.02 |
| Year Lowest Occurred | 1989 | 1964 | 1965 | 1977 | 1969 | 1988 | 1988 | 1988 | 1987 | 1988 | 1976 | 1990 | 1990 |
| Heating Degree Days (F) | 1057. | 776. | 651. | 417. | 174. | 39. | 0. | 12. | 135. | 388. | 729. | 1051. | 5429. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 6. | 16. | 144. | 322. | 269. | 81. | 0. | 0. | 0. | 838. |