| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 48.8 | 51.8 | 58.0 | 66.0 | 73.6 | 82.0 | 81.5 | 78.7 | 74.5 | 67.7 | 57.1 | 50.5 | 65.9 |
| Highest Mean Max. Temperature (F) | 56.8 | 58.5 | 65.5 | 73.5 | 80.3 | 87.5 | 86.9 | 86.0 | 79.0 | 75.2 | 64.4 | 57.4 | 68.6 |
| Year Highest Occurred | 1965 | 1962 | 1967 | 1989 | 1970 | 1990 | 1969 | 1969 | 1977 | 1968 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 43.3 | 43.6 | 52.4 | 58.2 | 68.3 | 77.5 | 76.1 | 74.3 | 70.3 | 60.6 | 49.9 | 44.9 | 63.6 |
| Year Lowest Occurred | 1979 | 1978 | 1973 | 1983 | 1987 | 1979 | 1975 | 1971 | 1974 | 1984 | 1972 | 1974 | 1978 |
| Mean Temperature (F) | 37.0 | 39.4 | 44.4 | 51.7 | 58.9 | 67.7 | 68.9 | 66.8 | 62.2 | 54.4 | 44.3 | 38.4 | 52.8 |
| Highest Mean Temperature (F) | 42.4 | 44.5 | 51.1 | 57.1 | 63.4 | 73.2 | 72.9 | 71.8 | 66.1 | 58.6 | 49.5 | 44.2 | 54.6 |
| Year Highest Occurred | 1986 | 1962 | 1972 | 1989 | 1963 | 1961 | 1963 | 1969 | 1983 | 1968 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 33.2 | 32.4 | 39.4 | 44.7 | 55.2 | 63.7 | 64.5 | 63.4 | 58.6 | 48.5 | 37.9 | 33.4 | 50.6 |
| Year Lowest Occurred | 1966 | 1966 | 1973 | 1983 | 1979 | 1979 | 1975 | 1974 | 1974 | 1976 | 1972 | 1974 | 1975 |
| Mean Min. Temperature (F) | 25.1 | 27.0 | 30.6 | 37.4 | 44.2 | 53.4 | 56.2 | 54.9 | 49.8 | 41.1 | 31.5 | 26.4 | 39.8 |
| Highest Mean Min. Temperature (F) | 30.0 | 31.3 | 37.6 | 43.0 | 49.2 | 61.6 | 59.1 | 59.0 | 53.9 | 45.4 | 35.0 | 31.5 | 42.4 |
| Year Highest Occurred | 1986 | 1989 | 1972 | 1962 | 1962 | 1961 | 1963 | 1962 | 1983 | 1988 | 1967 | 1970 | 1962 |
| Lowest Mean Min. Temperature (F) | 19.9 | 18.9 | 24.7 | 31.2 | 39.2 | 49.4 | 52.9 | 51.6 | 45.6 | 35.8 | 25.8 | 19.2 | 37.1 |
| Year Lowest Occurred | 1964 | 1966 | 1969 | 1983 | 1982 | 1982 | 1975 | 1974 | 1968 | 1976 | 1972 | 1968 | 1975 |
| Mean Precipitation (in.) | 1.18 | 1.14 | 0.94 | 0.51 | 0.84 | 1.34 | 3.51 | 4.13 | 2.92 | 1.56 | 1.19 | 1.50 | 20.76 |
| Highest Precipitation (in.) | 2.88 | 2.31 | 2.51 | 2.11 | 3.36 | 3.85 | 8.94 | 6.74 | 6.43 | 6.11 | 4.32 | 5.06 | 29.19 |
| Year Highest Occurred | 1978 | 1979 | 1973 | 1977 | 1984 | 1966 | 1962 | 1988 | 1969 | 1985 | 1978 | 1984 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.66 | 0.85 | 0.41 | 0.00 | 0.00 | 0.00 | 10.70 |
| Year Lowest Occurred | 1967 | 1984 | 1972 | 1989 | 1974 | 1969 | 1987 | 1964 | 1973 | 1967 | 1970 | 1976 | 1970 |
| Heating Degree Days (F) | 868. | 717. | 639. | 399. | 202. | 39. | 25. | 41. | 105. | 334. | 621. | 825. | 4815. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 120. | 146. | 96. | 21. | 6. | 0. | 0. | 402. |