| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.6 | 42.5 | 48.8 | 57.5 | 66.7 | 77.0 | 87.5 | 85.8 | 75.6 | 63.9 | 47.3 | 38.2 | 60.6 |
| Highest Mean Max. Temperature (F) | 43.9 | 49.6 | 56.6 | 68.5 | 74.1 | 85.7 | 91.8 | 92.6 | 84.6 | 74.8 | 53.8 | 46.5 | 63.5 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1961 | 1985 | 1967 | 1979 | 1988 | 1981 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 27.3 | 33.6 | 41.0 | 47.7 | 59.2 | 69.3 | 81.8 | 76.9 | 66.8 | 55.8 | 40.8 | 31.1 | 57.1 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1963 | 1982 | 1968 | 1985 | 1969 | 1985 | 1990 | 1975 |
| Mean Temperature (F) | 26.4 | 31.9 | 36.8 | 43.5 | 51.3 | 60.1 | 68.2 | 66.6 | 57.0 | 47.3 | 35.6 | 27.7 | 46.0 |
| Highest Mean Temperature (F) | 33.2 | 39.1 | 44.0 | 50.7 | 56.7 | 66.2 | 73.1 | 71.9 | 65.0 | 57.1 | 40.9 | 34.3 | 48.0 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1961 | 1985 | 1961 | 1990 | 1988 | 1981 | 1980 | 1988 |
| Lowest Mean Temperature (F) | 15.9 | 23.2 | 29.0 | 37.1 | 46.3 | 55.7 | 64.8 | 61.7 | 50.6 | 41.4 | 27.0 | 19.6 | 43.4 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1975 | 1977 | 1980 | 1987 | 1976 | 1985 | 1969 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 16.2 | 21.2 | 24.7 | 29.4 | 35.8 | 43.3 | 48.9 | 47.4 | 38.4 | 30.7 | 23.9 | 17.1 | 31.4 |
| Highest Mean Min. Temperature (F) | 24.0 | 28.6 | 31.4 | 36.2 | 40.3 | 48.8 | 54.6 | 53.4 | 46.6 | 39.3 | 28.5 | 23.9 | 33.2 |
| Year Highest Occurred | 1978 | 1968 | 1986 | 1990 | 1963 | 1977 | 1989 | 1984 | 1990 | 1988 | 1983 | 1977 | 1963 |
| Lowest Mean Min. Temperature (F) | 4.5 | 10.0 | 16.9 | 23.2 | 33.2 | 37.6 | 44.5 | 41.1 | 33.4 | 25.0 | 13.2 | 7.7 | 28.1 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1968 | 1964 | 1980 | 1987 | 1978 | 1970 | 1985 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.62 | 1.35 | 1.39 | 1.24 | 1.22 | 1.20 | 0.46 | 0.61 | 0.69 | 1.01 | 1.70 | 1.53 | 14.02 |
| Highest Precipitation (in.) | 4.04 | 6.00 | 4.34 | 4.42 | 3.61 | 4.47 | 2.13 | 4.45 | 2.01 | 4.08 | 4.81 | 5.24 | 35.31 |
| Year Highest Occurred | 1970 | 1983 | 1983 | 1978 | 1980 | 1982 | 1982 | 1968 | 1986 | 1975 | 1988 | 1982 | 1983 |
| Lowest Precipitation (in.) | 0.12 | 0.00 | 0.03 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.00 | 5.58 |
| Year Lowest Occurred | 1985 | 1970 | 1965 | 1966 | 1974 | 1989 | 1989 | 1988 | 1987 | 1988 | 1961 | 1989 | 1966 |
| Heating Degree Days (F) | 1197. | 927. | 874. | 645. | 425. | 183. | 33. | 82. | 270. | 549. | 882. | 1156. | 7223. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 36. | 132. | 131. | 30. | 0. | 0. | 0. | 329. |