| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 48.0 | 54.6 | 60.9 | 70.1 | 78.5 | 87.9 | 90.1 | 87.3 | 81.7 | 72.2 | 59.6 | 49.2 | 70.0 |
| Highest Mean Max. Temperature (F) | 58.2 | 61.3 | 72.6 | 77.2 | 84.6 | 94.6 | 96.0 | 92.0 | 85.3 | 79.5 | 68.4 | 57.2 | 72.1 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1984 | 1974 | 1980 | 1969 | 1969 | 1964 | 1966 | 1977 | 1966 |
| Lowest Mean Max. Temperature (F) | 39.8 | 47.3 | 54.2 | 63.4 | 72.8 | 83.1 | 85.0 | 83.2 | 77.6 | 63.4 | 53.8 | 40.0 | 67.6 |
| Year Lowest Occurred | 1968 | 1964 | 1973 | 1983 | 1979 | 1965 | 1986 | 1987 | 1985 | 1984 | 1972 | 1990 | 1987 |
| Mean Temperature (F) | 33.1 | 38.6 | 44.6 | 52.0 | 60.3 | 69.3 | 74.2 | 71.8 | 65.4 | 54.7 | 43.0 | 34.0 | 53.4 |
| Highest Mean Temperature (F) | 39.7 | 43.4 | 51.8 | 58.3 | 67.4 | 75.0 | 77.0 | 75.2 | 68.8 | 58.6 | 47.8 | 41.2 | 54.9 |
| Year Highest Occurred | 1969 | 1976 | 1972 | 1989 | 1984 | 1974 | 1980 | 1969 | 1983 | 1963 | 1966 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 27.5 | 32.7 | 39.8 | 45.9 | 56.7 | 65.3 | 71.4 | 68.6 | 60.5 | 49.3 | 39.6 | 26.3 | 52.0 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1983 | 1980 | 1965 | 1987 | 1968 | 1986 | 1984 | 1972 | 1990 | 1964 |
| Mean Min. Temperature (F) | 18.2 | 22.5 | 28.3 | 33.8 | 42.1 | 50.7 | 58.2 | 56.2 | 49.0 | 37.1 | 26.4 | 18.8 | 36.8 |
| Highest Mean Min. Temperature (F) | 26.2 | 31.5 | 35.7 | 40.8 | 50.2 | 55.9 | 60.3 | 59.3 | 53.0 | 43.3 | 31.6 | 25.2 | 39.3 |
| Year Highest Occurred | 1969 | 1982 | 1982 | 1984 | 1984 | 1981 | 1988 | 1970 | 1963 | 1972 | 1978 | 1977 | 1978 |
| Lowest Mean Min. Temperature (F) | 10.4 | 14.3 | 23.0 | 28.4 | 37.9 | 47.5 | 54.5 | 52.0 | 43.3 | 31.5 | 21.7 | 12.5 | 34.5 |
| Year Lowest Occurred | 1964 | 1984 | 1969 | 1983 | 1980 | 1965 | 1987 | 1968 | 1986 | 1986 | 1980 | 1990 | 1971 |
| Mean Precipitation (in.) | 0.67 | 0.58 | 0.87 | 0.48 | 0.38 | 0.51 | 1.80 | 2.21 | 1.41 | 1.04 | 0.67 | 0.77 | 11.39 |
| Highest Precipitation (in.) | 2.47 | 1.72 | 2.55 | 2.23 | 1.28 | 3.78 | 3.82 | 8.06 | 3.52 | 3.93 | 2.00 | 2.30 | 19.06 |
| Year Highest Occurred | 1985 | 1980 | 1978 | 1988 | 1982 | 1972 | 1967 | 1984 | 1975 | 1974 | 1986 | 1965 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.52 | 0.00 | 0.00 | 0.00 | 0.00 | 5.04 |
| Year Lowest Occurred | 1984 | 1984 | 1988 | 1989 | 1984 | 1989 | 1979 | 1985 | 1979 | 1982 | 1989 | 1973 | 1966 |
| Heating Degree Days (F) | 989. | 739. | 632. | 390. | 171. | 18. | 0. | 0. | 54. | 325. | 660. | 961. | 4939. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 25. | 147. | 285. | 211. | 66. | 6. | 0. | 0. | 740. |