| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.4 | 52.2 | 57.2 | 66.1 | 76.1 | 87.1 | 92.5 | 89.7 | 82.3 | 71.9 | 57.6 | 48.7 | 69.1 |
| Highest Mean Max. Temperature (F) | 57.2 | 58.7 | 67.9 | 75.3 | 85.0 | 91.9 | 96.1 | 94.4 | 88.8 | 79.1 | 63.8 | 58.9 | 71.4 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1985 | 1989 | 1962 | 1979 | 1964 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 37.6 | 45.3 | 48.5 | 57.1 | 68.6 | 80.6 | 89.1 | 84.9 | 75.9 | 63.0 | 50.1 | 41.1 | 67.0 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1975 | 1977 | 1965 | 1987 | 1968 | 1986 | 1972 | 1972 | 1967 | 1973 |
| Mean Temperature (F) | 34.9 | 39.8 | 44.3 | 51.7 | 60.7 | 70.5 | 76.6 | 74.5 | 67.3 | 56.8 | 44.6 | 36.0 | 54.8 |
| Highest Mean Temperature (F) | 43.3 | 45.5 | 51.0 | 59.2 | 66.2 | 74.9 | 79.5 | 77.1 | 72.0 | 62.4 | 49.6 | 44.1 | 57.1 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1961 | 1961 | 1969 | 1979 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 26.9 | 33.5 | 38.6 | 44.8 | 55.6 | 64.9 | 73.6 | 71.3 | 62.0 | 49.7 | 39.2 | 29.0 | 53.1 |
| Year Lowest Occurred | 1973 | 1964 | 1964 | 1975 | 1977 | 1965 | 1962 | 1968 | 1986 | 1984 | 1985 | 1967 | 1964 |
| Mean Min. Temperature (F) | 22.4 | 27.3 | 31.3 | 37.2 | 45.3 | 53.9 | 60.6 | 59.2 | 52.3 | 41.7 | 31.6 | 23.2 | 40.5 |
| Highest Mean Min. Temperature (F) | 30.1 | 35.6 | 38.3 | 43.0 | 49.6 | 58.1 | 64.1 | 62.2 | 57.9 | 46.5 | 38.2 | 29.2 | 42.8 |
| Year Highest Occurred | 1978 | 1968 | 1978 | 1989 | 1966 | 1961 | 1961 | 1970 | 1990 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 13.6 | 18.1 | 25.2 | 31.6 | 41.4 | 49.1 | 55.6 | 53.5 | 47.1 | 34.4 | 26.9 | 16.5 | 38.4 |
| Year Lowest Occurred | 1963 | 1964 | 1964 | 1967 | 1975 | 1963 | 1962 | 1962 | 1985 | 1984 | 1975 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.13 | 1.22 | 1.41 | 0.87 | 0.67 | 0.39 | 1.19 | 1.56 | 0.96 | 0.80 | 1.14 | 0.89 | 12.23 |
| Highest Precipitation (in.) | 4.46 | 4.50 | 4.31 | 3.77 | 2.84 | 1.71 | 4.50 | 4.79 | 4.22 | 3.00 | 3.10 | 3.87 | 19.42 |
| Year Highest Occurred | 1980 | 1969 | 1978 | 1988 | 1981 | 1972 | 1984 | 1982 | 1967 | 1987 | 1965 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 7.06 |
| Year Lowest Occurred | 1972 | 1974 | 1972 | 1989 | 1974 | 1986 | 1972 | 1985 | 1973 | 1967 | 1989 | 1989 | 1964 |
| Heating Degree Days (F) | 933. | 706. | 642. | 407. | 164. | 21. | 0. | 0. | 46. | 273. | 612. | 899. | 4703. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 31. | 186. | 360. | 295. | 115. | 19. | 0. | 0. | 1014. |