| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.2 | 48.3 | 53.9 | 62.8 | 71.6 | 81.5 | 87.5 | 85.1 | 76.7 | 66.9 | 53.0 | 45.6 | 64.8 |
| Highest Mean Max. Temperature (F) | 57.1 | 55.3 | 62.2 | 71.2 | 77.9 | 89.5 | 91.3 | 91.0 | 83.9 | 72.7 | 59.0 | 57.2 | 66.8 |
| Year Highest Occurred | 1986 | 1970 | 1986 | 1981 | 1966 | 1980 | 1964 | 1983 | 1983 | 1963 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 35.7 | 35.3 | 43.4 | 55.1 | 66.5 | 73.7 | 81.6 | 81.1 | 68.8 | 52.9 | 41.5 | 32.6 | 62.8 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1973 | 1971 | 1969 | 1990 | 1979 | 1965 | 1969 | 1985 | 1983 | 1973 |
| Mean Temperature (F) | 32.6 | 35.9 | 41.0 | 49.2 | 58.0 | 67.1 | 73.0 | 71.0 | 62.4 | 52.9 | 40.8 | 33.6 | 51.5 |
| Highest Mean Temperature (F) | 42.3 | 41.1 | 48.8 | 56.7 | 63.5 | 71.7 | 77.7 | 75.4 | 68.3 | 60.1 | 46.0 | 44.1 | 53.6 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1966 | 1980 | 1966 | 1983 | 1963 | 1963 | 1981 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 22.6 | 24.1 | 30.8 | 42.7 | 54.1 | 62.2 | 68.6 | 67.9 | 55.9 | 41.8 | 31.1 | 22.4 | 49.8 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1973 | 1983 | 1969 | 1990 | 1979 | 1965 | 1969 | 1985 | 1983 | 1973 |
| Mean Min. Temperature (F) | 19.9 | 23.3 | 28.1 | 35.6 | 44.4 | 52.8 | 58.5 | 56.8 | 48.0 | 38.8 | 28.5 | 21.6 | 38.0 |
| Highest Mean Min. Temperature (F) | 27.4 | 29.0 | 35.3 | 42.1 | 49.0 | 56.2 | 64.1 | 60.4 | 55.1 | 47.4 | 34.6 | 31.0 | 40.4 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1966 | 1963 | 1966 | 1970 | 1963 | 1963 | 1981 | 1980 | 1963 |
| Lowest Mean Min. Temperature (F) | 9.5 | 12.8 | 18.2 | 30.3 | 40.0 | 48.3 | 54.5 | 53.6 | 43.0 | 30.7 | 20.7 | 12.1 | 36.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1973 | 1990 | 1982 | 1972 | 1978 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.59 | 0.72 | 1.63 | 2.16 | 3.00 | 2.22 | 1.97 | 1.31 | 1.86 | 1.27 | 1.07 | 0.78 | 18.58 |
| Highest Precipitation (in.) | 1.52 | 2.44 | 4.60 | 6.01 | 8.66 | 6.04 | 5.20 | 3.94 | 4.89 | 5.39 | 3.46 | 2.16 | 27.52 |
| Year Highest Occurred | 1962 | 1987 | 1983 | 1971 | 1969 | 1987 | 1965 | 1967 | 1961 | 1969 | 1983 | 1988 | 1969 |
| Lowest Precipitation (in.) | 0.02 | 0.03 | 0.31 | 0.15 | 0.00 | 0.32 | 0.00 | 0.03 | 0.15 | 0.03 | 0.01 | 0.13 | 11.13 |
| Year Lowest Occurred | 1982 | 1970 | 1966 | 1963 | 1974 | 1980 | 1979 | 1985 | 1977 | 1988 | 1984 | 1977 | 1966 |
| Heating Degree Days (F) | 1004. | 815. | 744. | 474. | 235. | 53. | 0. | 7. | 136. | 387. | 726. | 973. | 5554. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 18. | 116. | 252. | 193. | 58. | 12. | 0. | 0. | 649. |