| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.1 | 60.0 | 67.2 | 76.3 | 83.4 | 90.1 | 91.6 | 89.5 | 82.9 | 75.4 | 64.4 | 56.8 | 74.4 |
| Highest Mean Max. Temperature (F) | 63.1 | 68.8 | 74.3 | 81.3 | 90.9 | 99.7 | 97.9 | 94.8 | 92.3 | 81.3 | 70.4 | 63.8 | 76.9 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1972 | 1962 | 1990 | 1980 | 1964 | 1977 | 1963 | 1981 | 1981 | 1989 |
| Lowest Mean Max. Temperature (F) | 47.3 | 53.4 | 57.3 | 70.0 | 77.4 | 83.5 | 84.7 | 81.1 | 73.1 | 68.9 | 57.0 | 51.3 | 72.0 |
| Year Lowest Occurred | 1979 | 1973 | 1969 | 1983 | 1973 | 1973 | 1975 | 1971 | 1974 | 1984 | 1976 | 1986 | 1973 |
| Mean Temperature (F) | 40.1 | 44.4 | 51.1 | 60.2 | 68.2 | 75.5 | 78.2 | 76.3 | 69.8 | 60.6 | 49.5 | 41.9 | 59.7 |
| Highest Mean Temperature (F) | 47.0 | 50.7 | 57.9 | 65.6 | 73.5 | 82.9 | 82.7 | 80.5 | 74.7 | 65.5 | 55.4 | 47.0 | 61.1 |
| Year Highest Occurred | 1969 | 1976 | 1967 | 1967 | 1962 | 1990 | 1980 | 1964 | 1977 | 1963 | 1965 | 1977 | 1965 |
| Lowest Mean Temperature (F) | 35.4 | 38.6 | 43.4 | 53.7 | 63.9 | 69.7 | 73.0 | 71.8 | 62.0 | 53.7 | 42.6 | 36.7 | 57.4 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1973 | 1973 | 1975 | 1971 | 1974 | 1976 | 1976 | 1983 | 1975 |
| Mean Min. Temperature (F) | 25.1 | 28.8 | 35.0 | 44.2 | 52.9 | 60.9 | 64.6 | 63.1 | 56.7 | 45.8 | 34.5 | 26.9 | 44.9 |
| Highest Mean Min. Temperature (F) | 30.9 | 33.0 | 41.4 | 51.7 | 56.2 | 66.0 | 68.6 | 66.2 | 59.7 | 50.6 | 40.8 | 33.8 | 47.0 |
| Year Highest Occurred | 1969 | 1962 | 1967 | 1967 | 1964 | 1990 | 1966 | 1969 | 1962 | 1971 | 1965 | 1965 | 1969 |
| Lowest Mean Min. Temperature (F) | 17.7 | 21.7 | 29.4 | 37.3 | 46.7 | 55.9 | 61.2 | 58.7 | 48.5 | 38.3 | 27.2 | 21.3 | 41.6 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1980 | 1983 | 1973 | 1975 | 1975 | 1975 | 1976 | 1979 | 1989 | 1975 |
| Mean Precipitation (in.) | 0.31 | 0.45 | 0.41 | 0.55 | 1.74 | 2.42 | 2.03 | 2.49 | 2.71 | 1.21 | 0.56 | 0.50 | 15.38 |
| Highest Precipitation (in.) | 1.37 | 1.82 | 1.54 | 2.20 | 5.23 | 6.97 | 12.31 | 8.13 | 7.35 | 8.45 | 2.15 | 2.89 | 25.44 |
| Year Highest Occurred | 1961 | 1973 | 1968 | 1981 | 1975 | 1986 | 1975 | 1984 | 1974 | 1969 | 1986 | 1986 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.49 | 0.05 | 0.00 | 0.00 | 0.00 | 5.38 |
| Year Lowest Occurred | 1970 | 1984 | 1984 | 1989 | 1967 | 1990 | 1980 | 1970 | 1977 | 1989 | 1989 | 1985 | 1964 |
| Heating Degree Days (F) | 772. | 577. | 436. | 180. | 38. | 0. | 0. | 0. | 24. | 162. | 465. | 716. | 3370. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 36. | 137. | 318. | 409. | 350. | 168. | 26. | 0. | 0. | 1444. |