| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.4 | 40.2 | 48.7 | 59.0 | 69.8 | 80.5 | 88.8 | 86.8 | 77.0 | 65.2 | 47.9 | 36.4 | 61.2 |
| Highest Mean Max. Temperature (F) | 43.3 | 49.5 | 57.2 | 69.2 | 75.7 | 88.9 | 94.2 | 90.9 | 85.1 | 74.2 | 54.0 | 45.1 | 64.5 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1969 | 1977 | 1988 | 1967 | 1979 | 1988 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 26.1 | 32.2 | 37.8 | 50.3 | 64.2 | 73.1 | 84.6 | 79.9 | 66.9 | 55.5 | 41.4 | 28.9 | 58.0 |
| Year Lowest Occurred | 1973 | 1964 | 1964 | 1975 | 1983 | 1967 | 1965 | 1976 | 1965 | 1984 | 1985 | 1990 | 1984 |
| Mean Temperature (F) | 22.5 | 27.6 | 36.0 | 44.6 | 53.4 | 61.8 | 69.4 | 67.4 | 58.0 | 47.6 | 35.1 | 24.6 | 45.7 |
| Highest Mean Temperature (F) | 31.1 | 36.1 | 43.1 | 50.4 | 57.8 | 68.0 | 72.4 | 70.9 | 64.6 | 52.9 | 39.5 | 33.9 | 48.6 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1989 | 1969 | 1977 | 1988 | 1961 | 1990 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 15.0 | 16.7 | 23.7 | 38.8 | 48.8 | 56.7 | 66.1 | 62.7 | 50.1 | 42.1 | 29.5 | 15.2 | 42.0 |
| Year Lowest Occurred | 1973 | 1964 | 1964 | 1970 | 1965 | 1965 | 1965 | 1976 | 1965 | 1970 | 1979 | 1990 | 1964 |
| Mean Min. Temperature (F) | 10.6 | 14.9 | 23.2 | 30.2 | 36.9 | 43.2 | 49.9 | 47.9 | 38.9 | 29.9 | 22.3 | 12.6 | 30.0 |
| Highest Mean Min. Temperature (F) | 21.0 | 23.9 | 28.9 | 35.5 | 40.0 | 47.6 | 53.8 | 53.7 | 45.4 | 34.4 | 26.2 | 25.4 | 32.8 |
| Year Highest Occurred | 1983 | 1986 | 1986 | 1989 | 1985 | 1988 | 1975 | 1961 | 1990 | 1972 | 1977 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 0.4 | 1.1 | 9.5 | 25.6 | 32.6 | 39.3 | 46.6 | 43.5 | 33.2 | 25.6 | 16.5 | 1.4 | 25.7 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1970 | 1965 | 1966 | 1964 | 1975 | 1964 | 1964 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.77 | 1.86 | 1.93 | 2.33 | 1.94 | 1.32 | 0.68 | 0.98 | 1.53 | 1.74 | 1.94 | 1.92 | 19.94 |
| Highest Precipitation (in.) | 4.27 | 6.88 | 3.48 | 5.53 | 5.04 | 4.22 | 2.78 | 4.06 | 7.13 | 4.47 | 4.33 | 5.93 | 28.94 |
| Year Highest Occurred | 1980 | 1986 | 1982 | 1974 | 1975 | 1967 | 1965 | 1968 | 1982 | 1971 | 1985 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.10 | 0.07 | 0.13 | 0.16 | 0.03 | 0.00 | 0.00 | 0.03 | 0.02 | 0.02 | 0.01 | 11.21 |
| Year Lowest Occurred | 1961 | 1964 | 1969 | 1987 | 1972 | 1977 | 1968 | 1985 | 1974 | 1988 | 1976 | 1976 | 1987 |
| Heating Degree Days (F) | 1318. | 1047. | 899. | 612. | 360. | 143. | 9. | 47. | 230. | 539. | 897. | 1252. | 7353. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 47. | 145. | 122. | 20. | 0. | 0. | 0. | 334. |