| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.1 | 56.7 | 64.7 | 74.3 | 82.2 | 89.4 | 91.4 | 89.1 | 82.6 | 74.2 | 62.5 | 54.0 | 72.8 |
| Highest Mean Max. Temperature (F) | 61.7 | 66.8 | 72.9 | 79.9 | 91.5 | 98.9 | 98.1 | 94.0 | 89.4 | 79.7 | 70.4 | 61.6 | 75.7 |
| Year Highest Occurred | 1965 | 1962 | 1974 | 1978 | 1962 | 1990 | 1980 | 1962 | 1977 | 1963 | 1965 | 1970 | 1965 |
| Lowest Mean Max. Temperature (F) | 40.8 | 43.4 | 54.1 | 66.5 | 77.8 | 84.0 | 85.9 | 82.6 | 73.2 | 66.9 | 52.7 | 42.4 | 70.4 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1966 | 1989 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 37.2 | 41.5 | 48.4 | 58.1 | 66.8 | 74.9 | 77.9 | 75.9 | 69.2 | 59.2 | 48.0 | 39.6 | 58.1 |
| Highest Mean Temperature (F) | 45.7 | 49.9 | 55.5 | 63.6 | 73.5 | 82.2 | 82.1 | 79.2 | 73.3 | 63.8 | 55.2 | 45.3 | 60.4 |
| Year Highest Occurred | 1965 | 1976 | 1974 | 1967 | 1962 | 1990 | 1980 | 1969 | 1977 | 1963 | 1965 | 1970 | 1965 |
| Lowest Mean Temperature (F) | 28.3 | 33.5 | 40.5 | 50.8 | 63.7 | 71.4 | 74.0 | 71.6 | 61.9 | 52.7 | 40.7 | 30.1 | 56.1 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1983 | 1989 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 22.3 | 26.2 | 31.9 | 41.8 | 51.4 | 60.4 | 64.5 | 62.7 | 55.8 | 44.2 | 33.4 | 25.2 | 43.3 |
| Highest Mean Min. Temperature (F) | 29.6 | 33.2 | 38.0 | 48.8 | 55.7 | 65.5 | 68.3 | 65.7 | 59.3 | 48.8 | 39.9 | 30.4 | 45.0 |
| Year Highest Occurred | 1965 | 1976 | 1974 | 1967 | 1977 | 1990 | 1966 | 1969 | 1980 | 1983 | 1965 | 1965 | 1981 |
| Lowest Mean Min. Temperature (F) | 14.5 | 21.4 | 26.6 | 34.8 | 46.5 | 56.4 | 61.9 | 60.5 | 50.5 | 38.5 | 28.1 | 17.8 | 41.6 |
| Year Lowest Occurred | 1963 | 1966 | 1965 | 1983 | 1983 | 1983 | 1985 | 1971 | 1974 | 1976 | 1976 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.43 | 0.59 | 0.62 | 0.95 | 2.34 | 3.31 | 2.35 | 2.77 | 2.52 | 1.56 | 0.72 | 0.54 | 18.70 |
| Highest Precipitation (in.) | 1.94 | 3.07 | 2.07 | 3.46 | 6.06 | 7.99 | 6.90 | 8.69 | 6.18 | 5.29 | 2.47 | 2.14 | 27.12 |
| Year Highest Occurred | 1983 | 1961 | 1973 | 1966 | 1972 | 1972 | 1975 | 1974 | 1971 | 1969 | 1986 | 1987 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.26 | 0.17 | 0.27 | 0.51 | 0.00 | 0.00 | 0.00 | 10.62 |
| Year Lowest Occurred | 1986 | 1976 | 1983 | 1989 | 1976 | 1990 | 1964 | 1982 | 1968 | 1989 | 1989 | 1976 | 1970 |
| Heating Degree Days (F) | 862. | 658. | 515. | 233. | 53. | 0. | 0. | 0. | 25. | 197. | 510. | 787. | 3840. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 26. | 109. | 301. | 400. | 338. | 151. | 18. | 0. | 0. | 1343. |