| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.1 | 44.6 | 56.8 | 68.8 | 77.4 | 85.7 | 91.3 | 89.4 | 81.3 | 70.8 | 55.4 | 42.3 | 66.9 |
| Highest Mean Max. Temperature (F) | 52.4 | 56.9 | 65.6 | 77.1 | 85.9 | 93.1 | 101.2 | 97.6 | 88.1 | 83.0 | 63.3 | 52.6 | 69.8 |
| Year Highest Occurred | 1990 | 1976 | 1986 | 1981 | 1962 | 1988 | 1980 | 1983 | 1978 | 1963 | 1990 | 1965 | 1988 |
| Lowest Mean Max. Temperature (F) | 25.4 | 32.2 | 45.7 | 59.0 | 70.5 | 80.4 | 86.6 | 84.6 | 73.6 | 63.6 | 46.7 | 23.4 | 64.2 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1976 | 1982 | 1971 | 1986 | 1974 | 1976 | 1972 | 1983 | 1985 |
| Mean Temperature (F) | 29.2 | 34.3 | 45.5 | 57.3 | 66.4 | 74.9 | 80.3 | 78.1 | 70.1 | 59.4 | 45.6 | 33.2 | 56.2 |
| Highest Mean Temperature (F) | 41.8 | 43.6 | 52.5 | 65.7 | 74.6 | 80.2 | 88.0 | 85.7 | 75.8 | 70.1 | 52.5 | 43.3 | 58.7 |
| Year Highest Occurred | 1990 | 1976 | 1986 | 1981 | 1962 | 1988 | 1980 | 1983 | 1978 | 1963 | 1990 | 1965 | 1987 |
| Lowest Mean Temperature (F) | 16.6 | 23.1 | 35.2 | 49.6 | 59.8 | 70.5 | 75.8 | 73.6 | 62.2 | 52.1 | 36.7 | 16.5 | 54.2 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1976 | 1982 | 1971 | 1986 | 1974 | 1976 | 1976 | 1983 | 1985 |
| Mean Min. Temperature (F) | 19.2 | 24.1 | 34.2 | 45.7 | 55.4 | 64.2 | 69.2 | 66.9 | 58.8 | 48.0 | 35.9 | 24.1 | 45.5 |
| Highest Mean Min. Temperature (F) | 31.1 | 32.3 | 41.7 | 54.3 | 63.2 | 67.7 | 74.7 | 73.8 | 63.5 | 57.2 | 41.7 | 33.9 | 48.4 |
| Year Highest Occurred | 1990 | 1987 | 1973 | 1981 | 1962 | 1971 | 1980 | 1983 | 1978 | 1963 | 1990 | 1965 | 1987 |
| Lowest Mean Min. Temperature (F) | 7.3 | 13.5 | 24.6 | 40.1 | 49.0 | 60.4 | 64.9 | 62.5 | 50.7 | 40.6 | 24.6 | 9.6 | 42.4 |
| Year Lowest Occurred | 1977 | 1979 | 1965 | 1983 | 1976 | 1969 | 1971 | 1986 | 1974 | 1976 | 1976 | 1983 | 1976 |
| Mean Precipitation (in.) | 1.24 | 1.12 | 2.80 | 3.46 | 4.96 | 5.82 | 3.97 | 4.06 | 4.52 | 3.35 | 2.24 | 1.74 | 39.28 |
| Highest Precipitation (in.) | 3.49 | 3.14 | 10.54 | 8.36 | 10.59 | 16.25 | 9.50 | 9.77 | 12.85 | 8.09 | 5.80 | 4.77 | 59.25 |
| Year Highest Occurred | 1979 | 1961 | 1973 | 1967 | 1990 | 1965 | 1973 | 1985 | 1973 | 1967 | 1964 | 1971 | 1973 |
| Lowest Precipitation (in.) | 0.00 | 0.21 | 0.68 | 0.68 | 1.89 | 2.05 | 0.23 | 0.61 | 0.56 | 0.19 | 0.00 | 0.04 | 21.58 |
| Year Lowest Occurred | 1986 | 1976 | 1968 | 1980 | 1965 | 1973 | 1983 | 1984 | 1990 | 1964 | 1989 | 1979 | 1976 |
| Heating Degree Days (F) | 1110. | 860. | 611. | 250. | 91. | 0. | 0. | 0. | 34. | 210. | 582. | 986. | 4734. |
| Cooling Degree Days (F) | 0. | 0. | 7. | 19. | 134. | 301. | 474. | 406. | 187. | 37. | 0. | 0. | 1565. |