| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.2 | 40.5 | 51.2 | 61.7 | 71.0 | 80.2 | 87.9 | 87.1 | 77.3 | 62.4 | 44.2 | 33.7 | 60.9 |
| Highest Mean Max. Temperature (F) | 41.2 | 48.0 | 56.7 | 70.5 | 75.7 | 86.2 | 94.4 | 96.5 | 87.3 | 68.8 | 50.3 | 40.2 | 64.0 |
| Year Highest Occurred | 1967 | 1968 | 1981 | 1977 | 1973 | 1970 | 1985 | 1967 | 1967 | 1988 | 1965 | 1966 | 1967 |
| Lowest Mean Max. Temperature (F) | 20.4 | 31.5 | 44.8 | 55.7 | 64.6 | 73.3 | 80.8 | 81.0 | 67.7 | 55.5 | 29.5 | 21.8 | 56.4 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1984 | 1980 | 1983 | 1968 | 1985 | 1985 | 1985 | 1984 | 1985 |
| Mean Temperature (F) | 26.6 | 33.0 | 40.8 | 48.5 | 56.4 | 64.7 | 71.2 | 70.7 | 62.0 | 49.4 | 36.4 | 27.4 | 48.9 |
| Highest Mean Temperature (F) | 35.9 | 38.8 | 44.5 | 54.9 | 59.7 | 70.6 | 77.6 | 77.4 | 69.3 | 56.6 | 41.2 | 34.7 | 51.2 |
| Year Highest Occurred | 1981 | 1968 | 1981 | 1977 | 1969 | 1986 | 1985 | 1967 | 1967 | 1988 | 1965 | 1973 | 1987 |
| Lowest Mean Temperature (F) | 13.7 | 23.4 | 35.5 | 42.9 | 51.4 | 59.3 | 67.0 | 66.3 | 56.0 | 44.4 | 21.4 | 14.5 | 44.9 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1967 | 1984 | 1981 | 1986 | 1968 | 1985 | 1985 | 1985 | 1984 | 1985 |
| Mean Min. Temperature (F) | 20.0 | 25.4 | 30.4 | 35.2 | 41.9 | 49.2 | 54.4 | 54.3 | 46.7 | 36.4 | 28.6 | 21.1 | 37.0 |
| Highest Mean Min. Temperature (F) | 30.9 | 31.9 | 35.1 | 40.7 | 45.1 | 55.0 | 60.8 | 62.0 | 52.4 | 44.4 | 33.3 | 29.5 | 39.7 |
| Year Highest Occurred | 1981 | 1961 | 1986 | 1989 | 1972 | 1986 | 1990 | 1986 | 1990 | 1988 | 1980 | 1973 | 1987 |
| Lowest Mean Min. Temperature (F) | 6.9 | 14.1 | 25.3 | 29.6 | 37.9 | 44.4 | 47.7 | 46.6 | 40.3 | 33.2 | 13.2 | 7.2 | 33.3 |
| Year Lowest Occurred | 1979 | 1985 | 1985 | 1972 | 1977 | 1971 | 1989 | 1964 | 1970 | 1984 | 1985 | 1984 | 1985 |
| Mean Precipitation (in.) | 0.99 | 0.98 | 0.90 | 0.79 | 0.93 | 0.77 | 0.53 | 0.47 | 0.53 | 0.56 | 1.42 | 1.54 | 10.41 |
| Highest Precipitation (in.) | 2.42 | 3.64 | 2.73 | 2.01 | 2.88 | 2.42 | 2.02 | 1.62 | 2.19 | 1.76 | 4.82 | 3.86 | 17.80 |
| Year Highest Occurred | 1970 | 1980 | 1983 | 1963 | 1972 | 1984 | 1983 | 1968 | 1979 | 1975 | 1973 | 1973 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 3.20 |
| Year Lowest Occurred | 1989 | 1988 | 1965 | 1985 | 1964 | 1986 | 1988 | 1988 | 1990 | 1987 | 1985 | 1986 | 1985 |
| Heating Degree Days (F) | 1190. | 896. | 750. | 495. | 271. | 104. | 19. | 39. | 175. | 484. | 858. | 1166. | 6447. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 95. | 211. | 216. | 85. | 0. | 0. | 0. | 607. |