| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.2 | 56.9 | 61.0 | 68.7 | 77.4 | 87.8 | 91.7 | 88.9 | 83.8 | 74.5 | 62.4 | 53.0 | 71.5 |
| Highest Mean Max. Temperature (F) | 61.4 | 66.0 | 73.4 | 78.6 | 85.8 | 94.3 | 96.0 | 92.4 | 90.4 | 80.9 | 69.5 | 62.1 | 74.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1963 | 1962 | 1979 | 1964 | 1981 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 40.9 | 50.3 | 51.2 | 59.9 | 71.9 | 79.9 | 86.6 | 83.0 | 78.2 | 66.7 | 54.1 | 41.5 | 69.8 |
| Year Lowest Occurred | 1968 | 1966 | 1973 | 1975 | 1980 | 1962 | 1974 | 1968 | 1986 | 1971 | 1972 | 1967 | 1968 |
| Mean Temperature (F) | 36.8 | 40.8 | 44.6 | 51.3 | 59.7 | 68.9 | 75.5 | 73.2 | 66.8 | 56.5 | 45.5 | 37.3 | 54.7 |
| Highest Mean Temperature (F) | 43.4 | 45.7 | 52.5 | 58.2 | 66.3 | 74.7 | 78.4 | 76.1 | 70.2 | 62.2 | 48.8 | 44.1 | 57.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1963 | 1969 | 1983 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 27.1 | 35.2 | 39.1 | 45.1 | 55.4 | 62.4 | 72.2 | 68.2 | 63.0 | 51.1 | 39.9 | 27.6 | 53.0 |
| Year Lowest Occurred | 1968 | 1964 | 1962 | 1970 | 1980 | 1962 | 1987 | 1968 | 1986 | 1971 | 1972 | 1967 | 1968 |
| Mean Min. Temperature (F) | 21.3 | 24.6 | 28.0 | 33.8 | 41.9 | 50.0 | 59.3 | 57.5 | 49.8 | 38.5 | 28.6 | 21.5 | 37.9 |
| Highest Mean Min. Temperature (F) | 28.6 | 29.8 | 34.7 | 38.8 | 46.7 | 56.5 | 62.2 | 60.8 | 54.8 | 43.7 | 32.6 | 27.4 | 40.2 |
| Year Highest Occurred | 1969 | 1978 | 1978 | 1981 | 1984 | 1981 | 1981 | 1986 | 1983 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 13.2 | 17.8 | 22.9 | 26.3 | 37.2 | 44.1 | 54.9 | 53.0 | 45.2 | 33.4 | 22.1 | 13.7 | 35.6 |
| Year Lowest Occurred | 1968 | 1964 | 1962 | 1970 | 1962 | 1965 | 1987 | 1979 | 1970 | 1982 | 1964 | 1967 | 1964 |
| Mean Precipitation (in.) | 0.89 | 1.09 | 1.14 | 0.55 | 0.37 | 0.35 | 1.98 | 2.11 | 1.30 | 0.86 | 0.88 | 1.02 | 12.54 |
| Highest Precipitation (in.) | 3.97 | 3.65 | 4.68 | 3.12 | 1.80 | 1.71 | 7.07 | 4.42 | 6.13 | 7.05 | 3.60 | 3.85 | 22.14 |
| Year Highest Occurred | 1980 | 1980 | 1970 | 1965 | 1982 | 1986 | 1990 | 1988 | 1983 | 1972 | 1978 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.25 |
| Year Lowest Occurred | 1972 | 1984 | 1988 | 1989 | 1988 | 1989 | 1978 | 1962 | 1989 | 1982 | 1989 | 1973 | 1989 |
| Heating Degree Days (F) | 874. | 678. | 632. | 416. | 187. | 38. | 0. | 0. | 36. | 273. | 585. | 859. | 4578. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 22. | 155. | 326. | 254. | 90. | 10. | 0. | 0. | 862. |