| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.7 | 40.3 | 51.0 | 61.9 | 70.8 | 79.2 | 88.1 | 87.1 | 77.3 | 64.6 | 46.4 | 34.5 | 61.2 |
| Highest Mean Max. Temperature (F) | 39.3 | 52.1 | 59.2 | 71.4 | 77.5 | 87.8 | 92.2 | 94.6 | 87.2 | 75.2 | 54.0 | 41.2 | 63.7 |
| Year Highest Occurred | 1990 | 1963 | 1986 | 1987 | 1966 | 1961 | 1968 | 1967 | 1990 | 1988 | 1976 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 20.7 | 29.1 | 42.9 | 53.4 | 65.0 | 73.6 | 82.7 | 79.9 | 68.6 | 58.9 | 33.7 | 22.5 | 56.4 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1984 | 1986 | 1976 | 1986 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 23.6 | 29.7 | 38.4 | 46.4 | 54.0 | 61.5 | 67.9 | 66.8 | 58.0 | 47.6 | 35.9 | 25.7 | 46.3 |
| Highest Mean Temperature (F) | 32.4 | 39.0 | 45.7 | 52.3 | 57.8 | 66.3 | 72.1 | 71.7 | 64.6 | 55.7 | 39.8 | 33.0 | 48.3 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1987 | 1977 | 1975 | 1971 | 1990 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 9.1 | 16.8 | 30.8 | 41.3 | 51.2 | 58.1 | 64.2 | 62.8 | 53.3 | 43.6 | 25.0 | 11.9 | 42.0 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1970 | 1978 | 1984 | 1986 | 1980 | 1970 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 14.4 | 19.1 | 25.8 | 30.9 | 37.0 | 43.7 | 47.6 | 46.4 | 38.6 | 30.5 | 25.3 | 16.8 | 31.3 |
| Highest Mean Min. Temperature (F) | 25.6 | 28.4 | 32.2 | 35.1 | 40.8 | 48.3 | 54.2 | 51.5 | 43.6 | 36.2 | 29.4 | 26.7 | 33.6 |
| Year Highest Occurred | 1981 | 1978 | 1986 | 1990 | 1980 | 1977 | 1975 | 1983 | 1963 | 1988 | 1966 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | -2.5 | 4.4 | 18.6 | 26.4 | 34.2 | 39.7 | 43.5 | 42.6 | 34.1 | 26.6 | 16.2 | 1.2 | 27.4 |
| Year Lowest Occurred | 1979 | 1964 | 1985 | 1970 | 1982 | 1962 | 1963 | 1980 | 1961 | 1978 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 3.28 | 2.31 | 1.92 | 1.40 | 1.37 | 1.31 | 0.47 | 0.76 | 0.92 | 1.31 | 3.02 | 3.46 | 21.53 |
| Highest Precipitation (in.) | 9.08 | 5.03 | 6.14 | 5.08 | 2.98 | 3.38 | 1.16 | 2.82 | 2.81 | 3.09 | 7.36 | 7.21 | 29.70 |
| Year Highest Occurred | 1970 | 1968 | 1983 | 1978 | 1990 | 1964 | 1964 | 1968 | 1986 | 1975 | 1988 | 1973 | 1970 |
| Lowest Precipitation (in.) | 0.29 | 0.59 | 0.31 | 0.17 | 0.13 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.22 | 14.39 |
| Year Lowest Occurred | 1985 | 1964 | 1969 | 1977 | 1974 | 1986 | 1968 | 1970 | 1990 | 1988 | 1976 | 1976 | 1987 |
| Heating Degree Days (F) | 1283. | 988. | 825. | 558. | 341. | 136. | 26. | 59. | 236. | 539. | 873. | 1218. | 7082. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 31. | 115. | 115. | 26. | 0. | 0. | 0. | 287. |