| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.3 | 47.6 | 53.7 | 60.4 | 69.0 | 77.9 | 85.7 | 84.8 | 75.4 | 64.3 | 50.1 | 42.0 | 62.7 |
| Highest Mean Max. Temperature (F) | 48.4 | 54.7 | 58.9 | 67.7 | 73.7 | 84.3 | 92.0 | 92.4 | 82.5 | 73.3 | 55.4 | 49.0 | 65.4 |
| Year Highest Occurred | 1967 | 1961 | 1968 | 1990 | 1966 | 1961 | 1985 | 1967 | 1990 | 1988 | 1990 | 1980 | 1967 |
| Lowest Mean Max. Temperature (F) | 25.6 | 35.4 | 48.6 | 54.4 | 62.6 | 71.8 | 79.8 | 79.7 | 69.5 | 59.2 | 38.1 | 28.9 | 59.8 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1962 | 1980 | 1986 | 1968 | 1986 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 33.6 | 38.7 | 43.5 | 48.3 | 55.6 | 63.3 | 69.2 | 68.9 | 60.7 | 51.5 | 41.3 | 34.3 | 50.7 |
| Highest Mean Temperature (F) | 40.7 | 45.9 | 47.2 | 53.8 | 59.6 | 67.7 | 74.0 | 74.7 | 66.2 | 58.9 | 45.9 | 40.5 | 52.7 |
| Year Highest Occurred | 1967 | 1961 | 1986 | 1990 | 1987 | 1961 | 1985 | 1967 | 1990 | 1988 | 1983 | 1980 | 1967 |
| Lowest Mean Temperature (F) | 17.1 | 26.4 | 39.5 | 43.6 | 51.3 | 59.2 | 63.9 | 64.6 | 55.6 | 47.3 | 29.3 | 22.5 | 47.5 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1975 | 1962 | 1976 | 1986 | 1964 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 25.8 | 29.8 | 33.2 | 36.1 | 42.1 | 48.6 | 52.5 | 52.9 | 46.1 | 38.7 | 32.5 | 26.4 | 38.7 |
| Highest Mean Min. Temperature (F) | 33.0 | 37.0 | 38.5 | 40.3 | 46.4 | 53.7 | 57.2 | 58.4 | 50.9 | 44.5 | 37.6 | 32.1 | 40.0 |
| Year Highest Occurred | 1967 | 1961 | 1983 | 1988 | 1987 | 1970 | 1975 | 1977 | 1963 | 1988 | 1983 | 1973 | 1967 |
| Lowest Mean Min. Temperature (F) | 8.5 | 17.3 | 27.1 | 32.6 | 38.4 | 43.3 | 47.8 | 48.3 | 41.6 | 34.6 | 20.4 | 15.6 | 35.2 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1964 | 1962 | 1963 | 1964 | 1985 | 1984 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.48 | 1.12 | 1.48 | 1.32 | 1.42 | 0.92 | 0.35 | 0.69 | 0.80 | 1.04 | 1.73 | 1.56 | 13.91 |
| Highest Precipitation (in.) | 4.04 | 2.53 | 3.64 | 4.65 | 3.42 | 2.59 | 1.12 | 2.91 | 2.24 | 2.95 | 3.94 | 4.40 | 18.73 |
| Year Highest Occurred | 1970 | 1986 | 1984 | 1988 | 1981 | 1969 | 1966 | 1978 | 1973 | 1982 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.36 | 0.08 | 0.41 | 0.07 | 0.02 | 0.08 | 0.00 | 0.00 | 0.00 | 0.02 | 0.24 | 0.34 | 8.64 |
| Year Lowest Occurred | 1977 | 1988 | 1968 | 1977 | 1964 | 1962 | 1984 | 1988 | 1990 | 1988 | 1982 | 1965 | 1967 |
| Heating Degree Days (F) | 973. | 736. | 667. | 501. | 291. | 112. | 27. | 41. | 175. | 419. | 711. | 952. | 5605. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 61. | 157. | 162. | 46. | 0. | 0. | 0. | 426. |