| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.2 | 44.8 | 49.7 | 57.8 | 67.1 | 76.5 | 85.5 | 84.4 | 76.5 | 64.8 | 47.7 | 39.1 | 61.1 |
| Highest Mean Max. Temperature (F) | 47.1 | 51.4 | 57.4 | 68.1 | 74.9 | 83.5 | 90.3 | 91.5 | 84.3 | 76.0 | 57.9 | 46.1 | 63.9 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1973 | 1974 | 1988 | 1967 | 1974 | 1988 | 1976 | 1976 | 1987 |
| Lowest Mean Max. Temperature (F) | 33.8 | 37.9 | 43.2 | 45.3 | 58.0 | 69.7 | 78.4 | 75.5 | 66.6 | 55.2 | 38.3 | 32.3 | 58.3 |
| Year Lowest Occurred | 1982 | 1989 | 1964 | 1967 | 1977 | 1964 | 1963 | 1976 | 1986 | 1984 | 1985 | 1967 | 1982 |
| Mean Temperature (F) | 27.7 | 32.7 | 36.5 | 41.7 | 49.1 | 57.4 | 63.6 | 62.3 | 54.6 | 45.8 | 35.5 | 28.1 | 44.6 |
| Highest Mean Temperature (F) | 36.1 | 40.4 | 42.5 | 48.6 | 54.3 | 63.0 | 67.5 | 66.9 | 59.5 | 52.0 | 38.8 | 34.4 | 46.5 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1973 | 1977 | 1985 | 1967 | 1967 | 1988 | 1976 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 20.2 | 22.2 | 29.5 | 34.6 | 43.5 | 52.7 | 59.3 | 58.5 | 49.2 | 41.4 | 25.9 | 19.7 | 42.0 |
| Year Lowest Occurred | 1962 | 1989 | 1964 | 1967 | 1977 | 1966 | 1963 | 1976 | 1986 | 1984 | 1985 | 1967 | 1964 |
| Mean Min. Temperature (F) | 16.2 | 20.6 | 23.2 | 25.5 | 31.1 | 38.2 | 41.6 | 40.1 | 32.7 | 26.7 | 23.2 | 17.2 | 28.0 |
| Highest Mean Min. Temperature (F) | 25.7 | 29.3 | 29.8 | 33.0 | 36.2 | 43.7 | 45.4 | 45.9 | 39.0 | 34.0 | 28.5 | 26.5 | 30.9 |
| Year Highest Occurred | 1978 | 1963 | 1983 | 1965 | 1963 | 1969 | 1990 | 1961 | 1963 | 1979 | 1973 | 1981 | 1983 |
| Lowest Mean Min. Temperature (F) | 5.1 | 6.3 | 15.7 | 19.7 | 27.5 | 31.3 | 37.2 | 33.7 | 27.1 | 19.7 | 13.5 | 7.1 | 25.3 |
| Year Lowest Occurred | 1977 | 1964 | 1969 | 1975 | 1974 | 1975 | 1989 | 1988 | 1970 | 1974 | 1985 | 1967 | 1974 |
| Mean Precipitation (in.) | 2.27 | 1.52 | 1.69 | 0.92 | 1.00 | 0.84 | 0.33 | 0.74 | 0.63 | 1.35 | 2.33 | 2.58 | 16.20 |
| Highest Precipitation (in.) | 5.92 | 3.94 | 3.74 | 2.92 | 2.87 | 2.65 | 1.38 | 2.81 | 2.25 | 6.95 | 6.58 | 9.61 | 21.90 |
| Year Highest Occurred | 1970 | 1986 | 1974 | 1963 | 1990 | 1969 | 1987 | 1965 | 1977 | 1962 | 1973 | 1964 | 1981 |
| Lowest Precipitation (in.) | 0.16 | 0.05 | 0.07 | 0.06 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.01 | 9.98 |
| Year Lowest Occurred | 1985 | 1988 | 1965 | 1977 | 1983 | 1974 | 1989 | 1987 | 1987 | 1978 | 1976 | 1990 | 1985 |
| Heating Degree Days (F) | 1156. | 904. | 884. | 699. | 493. | 244. | 98. | 127. | 320. | 595. | 885. | 1144. | 7549. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 16. | 55. | 43. | 8. | 0. | 0. | 0. | 122. |