| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.9 | 54.7 | 63.1 | 72.1 | 79.1 | 87.0 | 90.7 | 88.7 | 81.5 | 73.6 | 61.0 | 51.6 | 71.2 |
| Highest Mean Max. Temperature (F) | 58.9 | 62.8 | 72.0 | 77.9 | 86.7 | 96.9 | 97.1 | 94.4 | 87.5 | 81.4 | 67.4 | 60.2 | 73.4 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1972 | 1974 | 1990 | 1980 | 1983 | 1983 | 1963 | 1966 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 39.0 | 44.1 | 51.8 | 64.1 | 75.1 | 81.3 | 86.1 | 83.7 | 74.9 | 66.9 | 50.1 | 40.4 | 69.6 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1980 | 1989 | 1975 | 1971 | 1974 | 1970 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 34.3 | 38.0 | 45.5 | 55.1 | 63.3 | 71.9 | 76.4 | 74.5 | 66.8 | 57.0 | 44.8 | 35.5 | 55.3 |
| Highest Mean Temperature (F) | 41.1 | 44.7 | 51.8 | 61.3 | 68.8 | 78.2 | 81.4 | 78.6 | 70.8 | 63.7 | 50.4 | 42.8 | 57.3 |
| Year Highest Occurred | 1986 | 1976 | 1974 | 1981 | 1974 | 1990 | 1980 | 1983 | 1983 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 25.8 | 31.1 | 37.3 | 48.4 | 59.2 | 67.5 | 72.8 | 70.8 | 61.6 | 51.6 | 36.8 | 25.6 | 54.0 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1983 | 1989 | 1975 | 1971 | 1974 | 1976 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 17.7 | 21.2 | 27.8 | 38.1 | 47.4 | 56.8 | 62.0 | 60.4 | 52.2 | 40.3 | 28.7 | 19.3 | 39.3 |
| Highest Mean Min. Temperature (F) | 23.9 | 28.4 | 33.1 | 45.4 | 52.4 | 61.0 | 65.7 | 62.9 | 56.5 | 46.0 | 33.4 | 25.4 | 41.7 |
| Year Highest Occurred | 1969 | 1987 | 1986 | 1981 | 1977 | 1980 | 1980 | 1977 | 1969 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 8.0 | 16.4 | 20.1 | 32.1 | 42.7 | 53.1 | 58.8 | 57.8 | 48.3 | 36.0 | 23.5 | 10.8 | 37.8 |
| Year Lowest Occurred | 1963 | 1966 | 1965 | 1983 | 1983 | 1983 | 1961 | 1971 | 1974 | 1976 | 1972 | 1983 | 1970 |
| Mean Precipitation (in.) | 0.32 | 0.47 | 0.62 | 0.90 | 2.08 | 2.58 | 2.56 | 3.29 | 2.10 | 0.98 | 0.70 | 0.32 | 16.92 |
| Highest Precipitation (in.) | 1.54 | 1.78 | 2.18 | 2.74 | 5.11 | 10.25 | 8.32 | 9.74 | 5.41 | 4.64 | 3.63 | 0.95 | 25.46 |
| Year Highest Occurred | 1983 | 1987 | 1973 | 1980 | 1987 | 1965 | 1982 | 1981 | 1976 | 1984 | 1978 | 1984 | 1981 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.57 | 0.20 | 0.00 | 0.00 | 0.00 | 11.49 |
| Year Lowest Occurred | 1990 | 1979 | 1972 | 1972 | 1961 | 1990 | 1987 | 1975 | 1962 | 1975 | 1989 | 1985 | 1968 |
| Heating Degree Days (F) | 952. | 756. | 605. | 308. | 99. | 11. | 0. | 0. | 40. | 258. | 606. | 915. | 4550. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 11. | 47. | 218. | 353. | 295. | 94. | 10. | 0. | 0. | 1028. |