| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.7 | 40.5 | 44.9 | 54.7 | 64.6 | 74.4 | 82.2 | 80.0 | 71.1 | 60.0 | 46.8 | 38.8 | 58.0 |
| Highest Mean Max. Temperature (F) | 48.3 | 47.7 | 55.1 | 64.1 | 71.4 | 81.4 | 88.4 | 84.8 | 78.1 | 68.1 | 53.8 | 50.4 | 60.8 |
| Year Highest Occurred | 1986 | 1970 | 1986 | 1981 | 1966 | 1980 | 1966 | 1969 | 1979 | 1963 | 1963 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 28.5 | 26.8 | 34.0 | 45.2 | 58.6 | 67.4 | 76.9 | 75.5 | 60.8 | 46.2 | 36.0 | 24.6 | 55.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1983 | 1983 | 1969 | 1972 | 1977 | 1965 | 1969 | 1985 | 1983 | 1984 |
| Mean Temperature (F) | 26.5 | 29.3 | 33.6 | 42.5 | 52.0 | 61.3 | 68.4 | 66.4 | 57.4 | 47.0 | 35.2 | 27.8 | 45.6 |
| Highest Mean Temperature (F) | 37.0 | 34.6 | 42.2 | 50.1 | 55.8 | 67.4 | 73.9 | 70.2 | 63.1 | 54.4 | 41.4 | 38.5 | 48.3 |
| Year Highest Occurred | 1986 | 1970 | 1986 | 1981 | 1963 | 1988 | 1966 | 1983 | 1963 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 16.7 | 17.3 | 22.2 | 34.8 | 47.4 | 56.4 | 63.7 | 63.5 | 49.6 | 37.1 | 26.2 | 15.0 | 43.7 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1983 | 1969 | 1972 | 1977 | 1965 | 1969 | 1985 | 1983 | 1984 |
| Mean Min. Temperature (F) | 15.2 | 18.1 | 22.1 | 30.1 | 39.4 | 48.3 | 54.6 | 52.8 | 43.7 | 33.9 | 23.7 | 16.7 | 33.2 |
| Highest Mean Min. Temperature (F) | 25.6 | 22.2 | 29.2 | 36.0 | 43.1 | 53.7 | 59.4 | 56.4 | 49.5 | 40.7 | 29.5 | 26.6 | 35.7 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1987 | 1988 | 1966 | 1983 | 1963 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 4.7 | 7.8 | 10.3 | 24.4 | 36.1 | 44.5 | 50.5 | 49.7 | 38.4 | 27.9 | 16.4 | 5.4 | 31.3 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1983 | 1975 | 1972 | 1964 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 0.40 | 0.39 | 1.03 | 1.37 | 2.39 | 2.08 | 2.09 | 1.69 | 1.27 | 0.74 | 0.53 | 0.42 | 14.40 |
| Highest Precipitation (in.) | 2.71 | 1.26 | 3.65 | 4.45 | 5.67 | 4.52 | 5.01 | 6.64 | 4.52 | 2.04 | 2.48 | 1.50 | 20.69 |
| Year Highest Occurred | 1980 | 1989 | 1990 | 1983 | 1981 | 1982 | 1973 | 1985 | 1973 | 1969 | 1979 | 1979 | 1983 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.12 | 0.47 | 0.11 | 0.07 | 0.58 | 0.14 | 0.12 | 0.03 | 0.00 | 0.07 | 5.94 |
| Year Lowest Occurred | 1983 | 1983 | 1966 | 1975 | 1974 | 1980 | 1969 | 1970 | 1978 | 1964 | 1965 | 1971 | 1964 |
| Heating Degree Days (F) | 1194. | 1000. | 973. | 675. | 403. | 150. | 31. | 44. | 251. | 558. | 894. | 1153. | 7326. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 39. | 136. | 87. | 23. | 0. | 0. | 0. | 285. |