| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.5 | 44.5 | 51.8 | 62.7 | 72.0 | 83.1 | 89.1 | 86.7 | 77.1 | 66.3 | 50.6 | 40.9 | 63.7 |
| Highest Mean Max. Temperature (F) | 49.1 | 54.5 | 62.5 | 69.8 | 79.5 | 90.0 | 94.1 | 93.7 | 83.3 | 77.5 | 58.4 | 50.0 | 66.7 |
| Year Highest Occurred | 1965 | 1970 | 1972 | 1981 | 1966 | 1963 | 1963 | 1970 | 1978 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 26.2 | 31.9 | 40.5 | 53.0 | 66.3 | 75.6 | 83.9 | 81.9 | 67.5 | 52.5 | 35.7 | 21.8 | 61.0 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1981 | 1982 | 1990 | 1989 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Temperature (F) | 25.4 | 30.0 | 36.8 | 47.4 | 57.2 | 68.1 | 73.8 | 71.2 | 61.4 | 49.9 | 36.1 | 26.9 | 48.7 |
| Highest Mean Temperature (F) | 33.5 | 36.7 | 44.9 | 54.0 | 61.2 | 73.0 | 77.6 | 75.8 | 66.5 | 59.1 | 42.6 | 33.8 | 51.0 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1987 | 1963 | 1964 | 1983 | 1990 | 1963 | 1965 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 12.6 | 20.2 | 24.7 | 41.1 | 52.8 | 62.7 | 70.4 | 67.2 | 54.3 | 41.1 | 25.2 | 12.0 | 46.5 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1983 | 1982 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 11.2 | 15.4 | 21.7 | 32.0 | 42.4 | 53.0 | 58.3 | 55.7 | 45.7 | 33.5 | 21.5 | 12.9 | 33.6 |
| Highest Mean Min. Temperature (F) | 20.6 | 24.1 | 29.2 | 38.2 | 49.9 | 59.1 | 61.9 | 60.6 | 52.9 | 40.6 | 27.0 | 20.3 | 37.4 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1987 | 1988 | 1966 | 1983 | 1990 | 1963 | 1987 | 1979 | 1987 |
| Lowest Mean Min. Temperature (F) | -1.0 | 8.4 | 8.9 | 27.3 | 37.9 | 49.4 | 55.0 | 51.0 | 41.1 | 25.8 | 14.6 | 2.1 | 30.9 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1970 | 1983 | 1969 | 1972 | 1974 | 1965 | 1976 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.46 | 0.39 | 1.20 | 1.69 | 3.35 | 3.19 | 2.73 | 1.91 | 1.21 | 0.72 | 0.60 | 0.39 | 17.84 |
| Highest Precipitation (in.) | 1.38 | 1.65 | 4.49 | 4.14 | 6.64 | 8.22 | 6.41 | 3.76 | 3.10 | 4.11 | 2.76 | 1.19 | 26.02 |
| Year Highest Occurred | 1990 | 1987 | 1981 | 1977 | 1987 | 1982 | 1966 | 1972 | 1961 | 1969 | 1972 | 1982 | 1981 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.09 | 0.23 | 0.36 | 0.36 | 0.91 | 0.02 | 0.11 | 0.00 | 0.02 | 0.00 | 10.52 |
| Year Lowest Occurred | 1964 | 1967 | 1968 | 1963 | 1966 | 1990 | 1964 | 1970 | 1978 | 1988 | 1965 | 1980 | 1968 |
| Heating Degree Days (F) | 1228. | 980. | 874. | 528. | 255. | 42. | 0. | 9. | 146. | 473. | 867. | 1181. | 6583. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 135. | 273. | 201. | 38. | 5. | 0. | 0. | 665. |