| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.8 | 60.8 | 62.9 | 66.1 | 69.4 | 73.7 | 76.1 | 76.5 | 76.6 | 72.4 | 63.9 | 57.0 | 67.7 |
| Highest Mean Max. Temperature (F) | 60.7 | 64.5 | 67.7 | 72.6 | 73.5 | 80.5 | 81.3 | 81.8 | 84.3 | 75.7 | 68.3 | 61.2 | 69.0 |
| Year Highest Occurred | 1986 | 1988 | 1988 | 1987 | 1978 | 1981 | 1961 | 1969 | 1984 | 1967 | 1967 | 1979 | 1984 |
| Lowest Mean Max. Temperature (F) | 53.6 | 55.7 | 59.2 | 56.4 | 64.1 | 69.0 | 71.0 | 73.2 | 72.6 | 68.3 | 59.4 | 52.8 | 65.9 |
| Year Lowest Occurred | 1963 | 1969 | 1973 | 1967 | 1977 | 1965 | 1966 | 1966 | 1986 | 1975 | 1985 | 1972 | 1965 |
| Mean Temperature (F) | 49.0 | 52.7 | 54.8 | 57.6 | 60.9 | 64.7 | 66.7 | 67.3 | 66.9 | 62.9 | 55.6 | 49.4 | 59.0 |
| Highest Mean Temperature (F) | 54.7 | 56.7 | 59.6 | 63.3 | 65.1 | 71.7 | 71.6 | 70.8 | 73.7 | 66.3 | 59.4 | 54.1 | 61.5 |
| Year Highest Occurred | 1986 | 1963 | 1984 | 1985 | 1984 | 1981 | 1984 | 1983 | 1984 | 1983 | 1981 | 1983 | 1983 |
| Lowest Mean Temperature (F) | 44.4 | 48.3 | 50.8 | 50.3 | 56.2 | 61.3 | 62.6 | 64.6 | 63.7 | 59.2 | 52.0 | 44.0 | 57.3 |
| Year Lowest Occurred | 1963 | 1989 | 1964 | 1967 | 1964 | 1965 | 1966 | 1966 | 1965 | 1971 | 1975 | 1990 | 1975 |
| Mean Min. Temperature (F) | 41.1 | 44.7 | 46.6 | 49.1 | 52.3 | 55.7 | 57.2 | 58.1 | 57.1 | 53.4 | 47.2 | 41.7 | 50.4 |
| Highest Mean Min. Temperature (F) | 48.6 | 50.0 | 51.9 | 55.7 | 56.8 | 62.9 | 63.0 | 63.0 | 63.3 | 58.3 | 53.2 | 49.3 | 54.7 |
| Year Highest Occurred | 1986 | 1968 | 1984 | 1985 | 1984 | 1981 | 1984 | 1983 | 1983 | 1983 | 1981 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 35.1 | 36.9 | 40.4 | 43.4 | 47.3 | 51.2 | 52.3 | 54.8 | 53.6 | 46.6 | 40.3 | 33.7 | 47.3 |
| Year Lowest Occurred | 1963 | 1964 | 1964 | 1968 | 1964 | 1962 | 1962 | 1962 | 1961 | 1971 | 1971 | 1990 | 1961 |
| Mean Precipitation (in.) | 2.67 | 2.13 | 2.12 | 1.09 | 0.24 | 0.09 | 0.04 | 0.08 | 0.20 | 0.92 | 2.12 | 2.03 | 13.73 |
| Highest Precipitation (in.) | 6.26 | 6.62 | 7.17 | 4.19 | 1.88 | 0.63 | 0.38 | 0.72 | 0.86 | 4.53 | 6.04 | 4.87 | 31.52 |
| Year Highest Occurred | 1978 | 1962 | 1983 | 1963 | 1990 | 1974 | 1980 | 1968 | 1982 | 1962 | 1983 | 1970 | 1983 |
| Lowest Precipitation (in.) | 0.14 | 0.00 | 0.04 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 6.89 |
| Year Lowest Occurred | 1984 | 1964 | 1972 | 1985 | 1984 | 1990 | 1990 | 1990 | 1987 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 496. | 344. | 320. | 240. | 151. | 71. | 38. | 14. | 46. | 92. | 282. | 484. | 2578. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 18. | 24. | 62. | 90. | 86. | 103. | 27. | 0. | 0. | 410. |