| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.0 | 47.2 | 52.9 | 61.0 | 70.9 | 81.2 | 91.3 | 89.3 | 79.3 | 67.0 | 50.7 | 40.8 | 64.3 |
| Highest Mean Max. Temperature (F) | 49.5 | 56.8 | 60.0 | 70.2 | 79.0 | 90.7 | 95.3 | 96.3 | 85.9 | 76.0 | 59.6 | 47.4 | 67.3 |
| Year Highest Occurred | 1961 | 1963 | 1978 | 1962 | 1966 | 1961 | 1968 | 1967 | 1967 | 1964 | 1976 | 1980 | 1966 |
| Lowest Mean Max. Temperature (F) | 32.3 | 38.2 | 46.8 | 51.2 | 61.8 | 75.1 | 83.6 | 80.5 | 67.7 | 58.0 | 41.4 | 30.1 | 61.0 |
| Year Lowest Occurred | 1984 | 1989 | 1975 | 1975 | 1977 | 1963 | 1987 | 1968 | 1986 | 1971 | 1985 | 1990 | 1982 |
| Mean Temperature (F) | 29.8 | 35.9 | 40.2 | 46.4 | 54.8 | 64.0 | 72.1 | 70.3 | 60.5 | 50.5 | 38.5 | 30.5 | 49.5 |
| Highest Mean Temperature (F) | 38.3 | 43.7 | 46.7 | 52.7 | 60.1 | 72.2 | 75.6 | 76.2 | 67.5 | 58.5 | 42.9 | 38.0 | 51.5 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1966 | 1961 | 1988 | 1961 | 1963 | 1988 | 1976 | 1981 | 1981 |
| Lowest Mean Temperature (F) | 22.6 | 27.1 | 36.3 | 38.7 | 49.4 | 58.7 | 66.2 | 64.1 | 53.7 | 42.5 | 30.0 | 16.4 | 47.3 |
| Year Lowest Occurred | 1984 | 1989 | 1977 | 1970 | 1977 | 1963 | 1987 | 1968 | 1986 | 1969 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 19.5 | 24.6 | 27.4 | 31.8 | 38.6 | 46.7 | 52.9 | 51.2 | 41.8 | 34.0 | 26.4 | 20.2 | 34.6 |
| Highest Mean Min. Temperature (F) | 27.9 | 30.8 | 33.5 | 36.7 | 43.1 | 53.9 | 57.4 | 58.1 | 49.4 | 41.2 | 32.2 | 29.7 | 37.3 |
| Year Highest Occurred | 1986 | 1986 | 1983 | 1990 | 1973 | 1977 | 1988 | 1961 | 1963 | 1988 | 1981 | 1981 | 1983 |
| Lowest Mean Min. Temperature (F) | 9.9 | 16.0 | 21.5 | 23.7 | 34.5 | 42.2 | 48.5 | 44.1 | 30.6 | 26.6 | 18.5 | 2.6 | 31.4 |
| Year Lowest Occurred | 1962 | 1989 | 1970 | 1970 | 1968 | 1963 | 1963 | 1969 | 1970 | 1969 | 1985 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.01 | 0.80 | 1.07 | 1.13 | 1.11 | 1.06 | 0.31 | 0.52 | 0.59 | 0.77 | 1.22 | 0.95 | 10.54 |
| Highest Precipitation (in.) | 2.68 | 2.63 | 2.58 | 3.33 | 2.68 | 4.09 | 1.31 | 3.78 | 2.08 | 2.71 | 2.55 | 4.05 | 18.61 |
| Year Highest Occurred | 1970 | 1986 | 1961 | 1983 | 1977 | 1970 | 1976 | 1976 | 1976 | 1975 | 1985 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.06 | 0.05 | 0.10 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.05 | 5.32 |
| Year Lowest Occurred | 1989 | 1970 | 1988 | 1961 | 1974 | 1986 | 1989 | 1988 | 1987 | 1988 | 1976 | 1976 | 1966 |
| Heating Degree Days (F) | 1091. | 815. | 769. | 558. | 320. | 119. | 9. | 32. | 193. | 457. | 795. | 1070. | 6228. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 89. | 229. | 196. | 58. | 8. | 0. | 0. | 580. |