| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 65.9 | 66.5 | 66.3 | 68.4 | 69.1 | 71.6 | 76.2 | 77.8 | 77.1 | 74.6 | 69.9 | 66.1 | 70.8 |
| Highest Mean Max. Temperature (F) | 71.1 | 71.3 | 70.5 | 72.1 | 74.5 | 78.0 | 81.8 | 82.8 | 83.7 | 79.6 | 76.5 | 71.3 | 73.1 |
| Year Highest Occurred | 1961 | 1977 | 1984 | 1989 | 1978 | 1981 | 1984 | 1983 | 1984 | 1965 | 1976 | 1976 | 1981 |
| Lowest Mean Max. Temperature (F) | 61.8 | 61.3 | 63.6 | 63.1 | 66.3 | 65.7 | 71.6 | 74.2 | 71.9 | 71.5 | 66.4 | 61.7 | 69.0 |
| Year Lowest Occurred | 1971 | 1969 | 1975 | 1967 | 1977 | 1969 | 1987 | 1975 | 1986 | 1988 | 1985 | 1971 | 1975 |
| Mean Temperature (F) | 57.4 | 58.6 | 59.6 | 62.0 | 64.1 | 66.8 | 71.0 | 72.6 | 71.4 | 67.7 | 62.0 | 57.4 | 64.2 |
| Highest Mean Temperature (F) | 61.3 | 63.5 | 64.3 | 65.6 | 68.2 | 72.9 | 77.2 | 77.4 | 78.9 | 72.2 | 66.8 | 63.3 | 67.2 |
| Year Highest Occurred | 1981 | 1980 | 1978 | 1989 | 1978 | 1981 | 1984 | 1983 | 1984 | 1983 | 1976 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 53.9 | 54.6 | 55.7 | 56.5 | 60.9 | 63.6 | 67.1 | 68.9 | 66.9 | 64.6 | 59.1 | 53.9 | 62.1 |
| Year Lowest Occurred | 1966 | 1966 | 1962 | 1967 | 1964 | 1967 | 1987 | 1975 | 1986 | 1962 | 1964 | 1987 | 1962 |
| Mean Min. Temperature (F) | 48.9 | 50.7 | 52.8 | 55.6 | 59.1 | 61.9 | 65.7 | 67.3 | 65.6 | 60.9 | 53.9 | 48.8 | 57.6 |
| Highest Mean Min. Temperature (F) | 54.9 | 56.3 | 58.3 | 59.5 | 63.2 | 67.7 | 72.6 | 72.9 | 74.0 | 66.5 | 58.1 | 57.6 | 61.4 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1981 | 1981 | 1981 | 1984 | 1984 | 1984 | 1983 | 1983 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 44.3 | 45.4 | 47.8 | 49.9 | 54.8 | 58.3 | 62.1 | 63.6 | 61.2 | 57.1 | 49.2 | 45.5 | 54.5 |
| Year Lowest Occurred | 1966 | 1964 | 1962 | 1967 | 1964 | 1967 | 1963 | 1975 | 1964 | 1971 | 1964 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.80 | 1.53 | 1.77 | 0.79 | 0.19 | 0.07 | 0.02 | 0.10 | 0.24 | 0.37 | 1.45 | 1.57 | 9.90 |
| Highest Precipitation (in.) | 5.95 | 5.40 | 6.57 | 3.71 | 1.79 | 0.87 | 0.19 | 2.13 | 1.90 | 1.74 | 5.82 | 6.60 | 19.41 |
| Year Highest Occurred | 1978 | 1976 | 1983 | 1988 | 1977 | 1990 | 1984 | 1977 | 1963 | 1987 | 1965 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 3.68 |
| Year Lowest Occurred | 1976 | 1967 | 1972 | 1966 | 1986 | 1988 | 1990 | 1989 | 1990 | 1990 | 1980 | 1979 | 1968 |
| Heating Degree Days (F) | 245. | 189. | 177. | 113. | 73. | 51. | 13. | 0. | 19. | 24. | 109. | 243. | 1256. |
| Cooling Degree Days (F) | 9. | 10. | 9. | 23. | 45. | 105. | 199. | 240. | 211. | 107. | 19. | 7. | 984. |