| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.9 | 55.4 | 63.7 | 73.5 | 81.5 | 88.4 | 91.5 | 89.3 | 82.3 | 73.9 | 61.7 | 52.7 | 72.1 |
| Highest Mean Max. Temperature (F) | 58.8 | 68.1 | 73.1 | 80.2 | 87.6 | 96.4 | 98.9 | 94.5 | 89.6 | 81.4 | 70.2 | 60.6 | 73.8 |
| Year Highest Occurred | 1986 | 1976 | 1974 | 1978 | 1962 | 1980 | 1980 | 1983 | 1977 | 1963 | 1965 | 1970 | 1977 |
| Lowest Mean Max. Temperature (F) | 39.5 | 41.6 | 52.3 | 65.4 | 77.3 | 81.4 | 86.1 | 83.8 | 75.3 | 67.1 | 51.3 | 40.1 | 69.8 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1989 | 1961 | 1971 | 1974 | 1969 | 1972 | 1983 | 1987 |
| Mean Temperature (F) | 37.4 | 41.5 | 49.2 | 59.0 | 67.7 | 75.5 | 79.0 | 77.0 | 70.1 | 60.2 | 48.6 | 39.6 | 58.7 |
| Highest Mean Temperature (F) | 44.5 | 51.0 | 55.5 | 64.0 | 72.1 | 81.4 | 84.3 | 81.6 | 75.5 | 65.0 | 55.0 | 45.2 | 60.4 |
| Year Highest Occurred | 1986 | 1976 | 1967 | 1978 | 1974 | 1980 | 1980 | 1983 | 1977 | 1963 | 1965 | 1970 | 1981 |
| Lowest Mean Temperature (F) | 29.2 | 32.2 | 40.2 | 52.7 | 62.9 | 70.5 | 74.0 | 73.1 | 63.9 | 53.5 | 40.8 | 29.6 | 56.5 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1989 | 1961 | 1971 | 1974 | 1976 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 23.7 | 27.6 | 34.7 | 44.5 | 53.8 | 62.5 | 66.5 | 64.6 | 57.9 | 46.3 | 35.4 | 26.4 | 45.3 |
| Highest Mean Min. Temperature (F) | 30.1 | 33.8 | 40.5 | 50.0 | 58.5 | 66.4 | 70.3 | 68.7 | 61.3 | 52.2 | 40.1 | 31.7 | 48.0 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1967 | 1977 | 1980 | 1969 | 1983 | 1977 | 1983 | 1983 | 1984 | 1986 |
| Lowest Mean Min. Temperature (F) | 12.8 | 20.9 | 27.0 | 39.4 | 48.4 | 58.8 | 61.9 | 61.0 | 52.5 | 39.6 | 29.5 | 19.1 | 42.1 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1975 | 1976 | 1964 | 1961 | 1961 | 1974 | 1976 | 1976 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.45 | 0.69 | 0.82 | 1.09 | 2.98 | 3.53 | 2.37 | 2.34 | 2.47 | 1.68 | 0.80 | 0.56 | 19.78 |
| Highest Precipitation (in.) | 2.64 | 1.57 | 3.01 | 2.76 | 8.54 | 10.03 | 7.26 | 8.02 | 5.41 | 5.86 | 2.30 | 2.54 | 30.71 |
| Year Highest Occurred | 1983 | 1978 | 1973 | 1981 | 1977 | 1985 | 1988 | 1974 | 1971 | 1974 | 1986 | 1987 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.02 | 0.65 | 0.33 | 0.15 | 0.24 | 0.20 | 0.00 | 0.00 | 0.00 | 8.88 |
| Year Lowest Occurred | 1986 | 1976 | 1972 | 1964 | 1981 | 1973 | 1983 | 1982 | 1977 | 1989 | 1989 | 1976 | 1970 |
| Heating Degree Days (F) | 856. | 658. | 495. | 207. | 30. | 0. | 0. | 0. | 18. | 174. | 492. | 787. | 3717. |
| Cooling Degree Days (F) | 0. | 0. | 5. | 27. | 114. | 319. | 434. | 372. | 171. | 26. | 0. | 0. | 1468. |