| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.6 | 47.0 | 51.3 | 58.9 | 67.5 | 76.0 | 84.6 | 83.7 | 76.1 | 65.4 | 49.4 | 41.7 | 61.9 |
| Highest Mean Max. Temperature (F) | 49.6 | 53.8 | 58.7 | 68.6 | 72.7 | 83.2 | 88.9 | 90.1 | 82.4 | 76.1 | 58.3 | 47.0 | 64.6 |
| Year Highest Occurred | 1986 | 1988 | 1972 | 1987 | 1973 | 1961 | 1985 | 1967 | 1974 | 1988 | 1976 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 35.2 | 36.1 | 45.6 | 48.2 | 58.2 | 70.0 | 78.7 | 75.5 | 67.1 | 56.4 | 40.5 | 36.0 | 59.0 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1985 | 1972 | 1982 |
| Mean Temperature (F) | 31.6 | 36.2 | 39.3 | 45.2 | 52.9 | 60.7 | 66.9 | 66.0 | 58.4 | 49.4 | 37.9 | 31.8 | 48.0 |
| Highest Mean Temperature (F) | 39.9 | 42.7 | 45.8 | 53.6 | 57.1 | 66.8 | 71.1 | 71.7 | 63.6 | 56.7 | 42.3 | 36.4 | 50.1 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1973 | 1961 | 1985 | 1967 | 1963 | 1988 | 1976 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 24.9 | 24.2 | 35.3 | 36.8 | 46.2 | 56.3 | 62.1 | 61.2 | 52.6 | 43.3 | 29.8 | 26.0 | 46.2 |
| Year Lowest Occurred | 1962 | 1989 | 1976 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1985 | 1972 | 1982 |
| Mean Min. Temperature (F) | 21.6 | 25.2 | 27.3 | 31.4 | 38.2 | 45.3 | 49.1 | 48.3 | 40.6 | 33.4 | 26.4 | 21.8 | 34.1 |
| Highest Mean Min. Temperature (F) | 30.1 | 31.9 | 33.3 | 38.6 | 42.2 | 50.7 | 53.2 | 53.9 | 47.0 | 39.0 | 31.6 | 28.8 | 36.4 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1987 | 1986 | 1985 | 1971 | 1963 | 1979 | 1973 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 11.7 | 12.3 | 22.9 | 25.3 | 34.2 | 41.3 | 45.4 | 44.8 | 35.5 | 29.3 | 19.0 | 13.6 | 31.7 |
| Year Lowest Occurred | 1962 | 1989 | 1965 | 1967 | 1977 | 1976 | 1987 | 1980 | 1970 | 1969 | 1985 | 1978 | 1989 |
| Mean Precipitation (in.) | 1.40 | 0.84 | 0.97 | 0.75 | 0.98 | 1.08 | 0.39 | 0.64 | 0.50 | 0.77 | 1.19 | 1.49 | 11.00 |
| Highest Precipitation (in.) | 4.43 | 2.93 | 3.10 | 3.27 | 1.91 | 3.27 | 3.21 | 3.13 | 2.33 | 5.80 | 4.32 | 7.32 | 18.46 |
| Year Highest Occurred | 1982 | 1986 | 1974 | 1988 | 1962 | 1964 | 1987 | 1984 | 1985 | 1962 | 1981 | 1964 | 1982 |
| Lowest Precipitation (in.) | 0.09 | 0.00 | 0.02 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 5.87 |
| Year Lowest Occurred | 1976 | 1965 | 1965 | 1977 | 1970 | 1973 | 1989 | 1986 | 1987 | 1988 | 1976 | 1976 | 1989 |
| Heating Degree Days (F) | 1035. | 806. | 797. | 594. | 375. | 166. | 48. | 74. | 225. | 484. | 813. | 1029. | 6446. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 37. | 107. | 105. | 27. | 0. | 0. | 0. | 276. |