| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.2 | 41.9 | 45.0 | 52.9 | 62.4 | 71.5 | 81.2 | 80.0 | 71.4 | 60.9 | 46.1 | 39.6 | 57.7 |
| Highest Mean Max. Temperature (F) | 46.4 | 49.8 | 53.5 | 62.9 | 69.8 | 80.3 | 86.0 | 85.5 | 77.8 | 70.3 | 57.1 | 48.1 | 60.2 |
| Year Highest Occurred | 1986 | 1988 | 1978 | 1977 | 1966 | 1961 | 1968 | 1967 | 1990 | 1988 | 1976 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 33.5 | 32.0 | 39.2 | 41.1 | 53.2 | 65.7 | 75.5 | 71.9 | 61.9 | 51.1 | 36.9 | 33.2 | 54.1 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1977 | 1971 | 1987 | 1976 | 1986 | 1984 | 1985 | 1972 | 1982 |
| Mean Temperature (F) | 28.7 | 31.5 | 33.6 | 39.5 | 47.3 | 55.3 | 62.5 | 61.8 | 54.2 | 45.8 | 35.2 | 29.0 | 43.7 |
| Highest Mean Temperature (F) | 37.8 | 38.5 | 41.7 | 47.2 | 51.8 | 62.7 | 67.6 | 66.9 | 59.2 | 52.1 | 41.4 | 34.9 | 45.9 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1973 | 1961 | 1985 | 1961 | 1963 | 1988 | 1976 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 21.3 | 21.6 | 27.6 | 31.7 | 41.6 | 50.7 | 56.8 | 56.4 | 47.6 | 39.7 | 27.6 | 21.8 | 41.3 |
| Year Lowest Occurred | 1979 | 1989 | 1962 | 1975 | 1977 | 1980 | 1983 | 1976 | 1985 | 1969 | 1985 | 1990 | 1982 |
| Mean Min. Temperature (F) | 18.0 | 21.0 | 22.2 | 26.0 | 32.2 | 39.1 | 43.9 | 43.6 | 37.0 | 30.6 | 24.2 | 18.4 | 29.7 |
| Highest Mean Min. Temperature (F) | 29.1 | 28.5 | 30.0 | 31.9 | 37.3 | 45.1 | 49.8 | 50.0 | 43.4 | 34.0 | 29.3 | 25.2 | 32.5 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1963 | 1961 | 1985 | 1961 | 1963 | 1965 | 1970 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 9.1 | 11.2 | 15.8 | 20.9 | 28.2 | 33.8 | 37.8 | 39.9 | 31.4 | 27.2 | 17.7 | 8.1 | 27.7 |
| Year Lowest Occurred | 1979 | 1989 | 1962 | 1970 | 1965 | 1978 | 1983 | 1975 | 1965 | 1966 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.87 | 0.74 | 1.22 | 1.34 | 1.43 | 1.34 | 0.43 | 0.61 | 0.82 | 0.97 | 1.16 | 1.13 | 12.06 |
| Highest Precipitation (in.) | 2.79 | 1.93 | 3.74 | 6.30 | 3.77 | 4.51 | 1.82 | 2.50 | 2.29 | 4.18 | 3.22 | 4.50 | 19.03 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1978 | 1981 | 1975 | 1975 | 1968 | 1986 | 1962 | 1981 | 1983 | 1981 |
| Lowest Precipitation (in.) | 0.17 | 0.03 | 0.24 | 0.28 | 0.21 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 5.38 |
| Year Lowest Occurred | 1984 | 1988 | 1965 | 1977 | 1976 | 1973 | 1968 | 1981 | 1987 | 1988 | 1976 | 1967 | 1976 |
| Heating Degree Days (F) | 1125. | 938. | 973. | 765. | 549. | 301. | 126. | 144. | 336. | 595. | 894. | 1116. | 7862. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 10. | 48. | 45. | 12. | 0. | 0. | 0. | 115. |