| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.5 | 64.2 | 69.7 | 79.0 | 88.6 | 98.7 | 101.9 | 99.1 | 93.7 | 82.8 | 68.8 | 58.9 | 80.3 |
| Highest Mean Max. Temperature (F) | 63.7 | 69.4 | 81.5 | 88.4 | 94.2 | 104.8 | 104.4 | 104.0 | 98.2 | 87.9 | 74.3 | 66.1 | 83.0 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1974 | 1971 | 1962 | 1979 | 1965 | 1967 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 51.7 | 57.8 | 60.5 | 70.9 | 83.2 | 93.3 | 98.3 | 92.5 | 88.8 | 75.0 | 62.1 | 53.9 | 78.6 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1986 | 1968 | 1985 | 1971 | 1972 | 1971 | 1982 |
| Mean Temperature (F) | 47.7 | 52.0 | 56.9 | 64.9 | 74.3 | 83.8 | 88.3 | 85.9 | 80.5 | 69.8 | 57.2 | 48.5 | 67.5 |
| Highest Mean Temperature (F) | 53.1 | 55.8 | 66.1 | 73.3 | 79.0 | 87.9 | 91.6 | 90.2 | 84.8 | 74.9 | 61.5 | 54.9 | 70.0 |
| Year Highest Occurred | 1981 | 1968 | 1972 | 1989 | 1984 | 1974 | 1971 | 1962 | 1983 | 1988 | 1967 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 43.6 | 47.7 | 50.3 | 56.6 | 67.9 | 79.1 | 85.1 | 80.9 | 76.3 | 64.1 | 52.3 | 44.3 | 63.8 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1975 | 1968 | 1975 | 1971 | 1972 | 1974 | 1975 |
| Mean Min. Temperature (F) | 36.9 | 39.7 | 44.0 | 50.9 | 59.9 | 68.9 | 74.6 | 72.6 | 67.3 | 56.6 | 45.5 | 38.1 | 54.6 |
| Highest Mean Min. Temperature (F) | 43.1 | 44.3 | 50.7 | 58.2 | 65.3 | 74.1 | 78.7 | 76.5 | 73.7 | 62.4 | 49.8 | 43.6 | 57.1 |
| Year Highest Occurred | 1981 | 1968 | 1972 | 1989 | 1966 | 1981 | 1971 | 1969 | 1983 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 31.2 | 32.6 | 33.6 | 42.2 | 49.3 | 63.0 | 69.0 | 66.3 | 58.8 | 49.6 | 37.7 | 29.2 | 48.6 |
| Year Lowest Occurred | 1977 | 1964 | 1977 | 1975 | 1977 | 1975 | 1977 | 1976 | 1975 | 1975 | 1976 | 1976 | 1975 |
| Mean Precipitation (in.) | 1.74 | 1.56 | 1.92 | 0.51 | 0.40 | 0.13 | 1.26 | 1.67 | 1.38 | 1.29 | 1.50 | 2.17 | 15.53 |
| Highest Precipitation (in.) | 5.44 | 7.03 | 8.06 | 1.73 | 2.25 | 1.74 | 3.64 | 8.06 | 3.47 | 8.57 | 4.82 | 9.12 | 36.25 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1975 | 1973 | 1972 | 1967 | 1963 | 1985 | 1972 | 1978 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 | 8.31 |
| Year Lowest Occurred | 1972 | 1984 | 1984 | 1989 | 1988 | 1989 | 1979 | 1962 | 1973 | 1982 | 1980 | 1981 | 1961 |
| Heating Degree Days (F) | 536. | 364. | 277. | 112. | 8. | 0. | 0. | 0. | 0. | 34. | 241. | 512. | 2084. |
| Cooling Degree Days (F) | 0. | 0. | 26. | 109. | 296. | 564. | 722. | 648. | 465. | 183. | 7. | 0. | 3020. |