| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 64.0 | 64.2 | 64.8 | 67.0 | 68.2 | 70.3 | 73.4 | 75.1 | 74.6 | 72.7 | 67.9 | 63.9 | 68.8 |
| Highest Mean Max. Temperature (F) | 68.2 | 71.3 | 72.1 | 74.9 | 76.9 | 79.7 | 80.3 | 81.0 | 82.6 | 77.4 | 74.0 | 69.6 | 73.6 |
| Year Highest Occurred | 1981 | 1980 | 1980 | 1980 | 1978 | 1979 | 1980 | 1980 | 1979 | 1983 | 1976 | 1976 | 1980 |
| Lowest Mean Max. Temperature (F) | 60.1 | 56.7 | 60.7 | 61.7 | 63.4 | 65.0 | 67.8 | 69.0 | 68.6 | 66.6 | 62.0 | 60.2 | 64.8 |
| Year Lowest Occurred | 1988 | 1969 | 1962 | 1967 | 1985 | 1988 | 1987 | 1988 | 1988 | 1988 | 1985 | 1988 | 1988 |
| Mean Temperature (F) | 56.2 | 56.6 | 57.4 | 59.5 | 61.6 | 64.0 | 67.1 | 68.8 | 68.1 | 65.3 | 60.3 | 56.3 | 61.8 |
| Highest Mean Temperature (F) | 60.8 | 62.3 | 62.8 | 64.6 | 67.7 | 70.6 | 71.7 | 73.8 | 75.2 | 69.2 | 65.8 | 61.3 | 64.9 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1980 | 1978 | 1978 | 1980 | 1967 | 1984 | 1983 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 51.0 | 52.7 | 53.2 | 55.3 | 57.2 | 59.5 | 63.0 | 64.3 | 62.5 | 60.3 | 55.4 | 51.9 | 58.8 |
| Year Lowest Occurred | 1971 | 1969 | 1970 | 1971 | 1971 | 1971 | 1962 | 1970 | 1970 | 1970 | 1970 | 1970 | 1971 |
| Mean Min. Temperature (F) | 48.3 | 49.0 | 49.9 | 52.0 | 54.9 | 57.7 | 60.8 | 62.5 | 61.4 | 57.7 | 52.6 | 48.7 | 54.6 |
| Highest Mean Min. Temperature (F) | 53.9 | 53.7 | 55.3 | 57.2 | 60.1 | 62.3 | 66.7 | 70.0 | 69.0 | 62.9 | 59.6 | 55.6 | 58.1 |
| Year Highest Occurred | 1978 | 1970 | 1978 | 1966 | 1966 | 1981 | 1967 | 1967 | 1984 | 1964 | 1967 | 1977 | 1967 |
| Lowest Mean Min. Temperature (F) | 40.4 | 43.0 | 42.0 | 46.6 | 50.8 | 52.0 | 56.2 | 54.4 | 50.1 | 49.7 | 44.3 | 41.2 | 49.7 |
| Year Lowest Occurred | 1971 | 1971 | 1970 | 1973 | 1964 | 1970 | 1973 | 1970 | 1970 | 1970 | 1970 | 1970 | 1970 |
| Mean Precipitation (in.) | 2.37 | 2.27 | 1.87 | 0.78 | 0.16 | 0.02 | 0.01 | 0.09 | 0.39 | 0.20 | 1.80 | 1.95 | 11.91 |
| Highest Precipitation (in.) | 11.13 | 7.88 | 8.91 | 4.57 | 2.48 | 0.30 | 0.06 | 2.58 | 2.73 | 1.13 | 10.62 | 10.01 | 34.54 |
| Year Highest Occurred | 1969 | 1962 | 1983 | 1965 | 1977 | 1976 | 1986 | 1977 | 1963 | 1987 | 1965 | 1966 | 1983 |
| 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 | 0.00 | 3.86 |
| Year Lowest Occurred | 1976 | 1984 | 1984 | 1989 | 1988 | 1990 | 1990 | 1990 | 1988 | 1990 | 1980 | 1989 | 1989 |
| Heating Degree Days (F) | 279. | 241. | 245. | 185. | 145. | 109. | 52. | 36. | 55. | 79. | 167. | 276. | 1869. |
| Cooling Degree Days (F) | 6. | 6. | 9. | 20. | 40. | 79. | 117. | 154. | 148. | 88. | 26. | 6. | 699. |