| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.4 | 59.0 | 65.6 | 74.3 | 82.5 | 90.8 | 93.1 | 90.5 | 84.3 | 75.9 | 63.4 | 54.8 | 74.1 |
| Highest Mean Max. Temperature (F) | 63.5 | 66.2 | 74.0 | 79.1 | 89.1 | 97.7 | 97.7 | 96.2 | 90.1 | 82.3 | 68.7 | 64.9 | 75.9 |
| Year Highest Occurred | 1986 | 1976 | 1989 | 1972 | 1974 | 1990 | 1980 | 1962 | 1983 | 1979 | 1965 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 45.9 | 49.1 | 57.5 | 66.2 | 78.2 | 86.9 | 88.8 | 86.6 | 79.9 | 67.4 | 53.5 | 47.6 | 72.3 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1987 | 1966 | 1976 | 1971 | 1974 | 1984 | 1972 | 1967 | 1987 |
| Mean Temperature (F) | 39.2 | 43.2 | 49.1 | 57.4 | 65.8 | 74.4 | 78.1 | 75.7 | 69.2 | 59.2 | 48.2 | 40.1 | 58.3 |
| Highest Mean Temperature (F) | 46.8 | 50.0 | 55.1 | 61.8 | 71.4 | 80.6 | 81.7 | 79.0 | 74.1 | 63.2 | 52.9 | 47.6 | 59.8 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1981 | 1974 | 1990 | 1980 | 1969 | 1983 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 33.6 | 34.8 | 42.2 | 50.3 | 62.0 | 71.3 | 74.5 | 73.0 | 65.2 | 54.0 | 40.7 | 33.8 | 57.1 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1983 | 1979 | 1975 | 1974 | 1974 | 1976 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 24.1 | 27.3 | 32.6 | 40.5 | 49.1 | 57.9 | 63.1 | 60.9 | 54.0 | 42.5 | 33.0 | 25.5 | 42.5 |
| Highest Mean Min. Temperature (F) | 32.8 | 33.7 | 37.1 | 44.8 | 53.6 | 63.4 | 66.0 | 64.4 | 58.1 | 46.3 | 37.0 | 32.6 | 44.3 |
| Year Highest Occurred | 1969 | 1976 | 1986 | 1978 | 1974 | 1990 | 1966 | 1969 | 1983 | 1983 | 1965 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 17.4 | 20.4 | 26.7 | 34.4 | 44.5 | 54.6 | 59.2 | 57.9 | 49.6 | 37.5 | 27.0 | 19.8 | 40.3 |
| Year Lowest Occurred | 1963 | 1964 | 1962 | 1973 | 1983 | 1983 | 1961 | 1974 | 1961 | 1976 | 1976 | 1983 | 1961 |
| Mean Precipitation (in.) | 0.38 | 0.50 | 0.50 | 0.71 | 1.18 | 1.67 | 2.32 | 3.06 | 1.69 | 1.13 | 0.74 | 0.57 | 14.45 |
| Highest Precipitation (in.) | 1.13 | 2.59 | 1.90 | 2.32 | 3.50 | 5.51 | 5.18 | 7.67 | 4.18 | 4.26 | 3.80 | 1.73 | 21.90 |
| Year Highest Occurred | 1983 | 1986 | 1985 | 1988 | 1987 | 1978 | 1976 | 1989 | 1982 | 1974 | 1978 | 1984 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.33 | 0.03 | 0.00 | 0.00 | 0.00 | 7.40 |
| Year Lowest Occurred | 1970 | 1984 | 1972 | 1982 | 1974 | 1990 | 1987 | 1962 | 1968 | 1987 | 1989 | 1981 | 1964 |
| Heating Degree Days (F) | 800. | 610. | 493. | 241. | 58. | 0. | 0. | 0. | 10. | 194. | 504. | 772. | 3682. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 13. | 83. | 282. | 406. | 332. | 136. | 14. | 0. | 0. | 1266. |