| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.2 | 62.6 | 67.7 | 75.4 | 84.5 | 92.8 | 98.5 | 96.7 | 90.5 | 80.6 | 66.0 | 55.4 | 77.2 |
| Highest Mean Max. Temperature (F) | 62.4 | 67.8 | 76.0 | 83.6 | 90.3 | 100.2 | 104.3 | 103.7 | 95.4 | 86.0 | 70.3 | 61.6 | 79.4 |
| Year Highest Occurred | 1970 | 1988 | 1972 | 1987 | 1984 | 1961 | 1961 | 1967 | 1984 | 1980 | 1986 | 1979 | 1961 |
| Lowest Mean Max. Temperature (F) | 48.4 | 57.3 | 61.2 | 61.7 | 75.4 | 87.7 | 92.5 | 88.9 | 84.5 | 74.8 | 58.4 | 48.3 | 74.6 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1977 | 1980 | 1987 | 1976 | 1985 | 1984 | 1972 | 1963 | 1982 |
| Mean Temperature (F) | 46.9 | 53.2 | 57.0 | 62.7 | 70.3 | 78.0 | 83.6 | 82.5 | 77.1 | 68.3 | 56.2 | 47.0 | 65.2 |
| Highest Mean Temperature (F) | 53.6 | 58.5 | 63.7 | 68.9 | 75.0 | 85.3 | 88.8 | 89.0 | 82.0 | 72.4 | 61.0 | 52.7 | 66.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1973 | 1961 | 1961 | 1967 | 1984 | 1964 | 1967 | 1977 | 1961 |
| Lowest Mean Temperature (F) | 40.6 | 49.2 | 51.8 | 52.6 | 63.1 | 72.2 | 78.1 | 76.1 | 71.5 | 63.7 | 52.2 | 41.5 | 63.6 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1971 | 1982 | 1963 | 1982 |
| Mean Min. Temperature (F) | 38.6 | 43.7 | 46.2 | 49.9 | 56.1 | 63.2 | 68.8 | 68.2 | 63.5 | 56.0 | 46.3 | 38.5 | 53.3 |
| Highest Mean Min. Temperature (F) | 45.4 | 50.1 | 51.3 | 54.4 | 60.1 | 70.4 | 73.7 | 74.3 | 68.5 | 60.1 | 51.8 | 44.7 | 54.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1973 | 1961 | 1967 | 1967 | 1984 | 1964 | 1967 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 32.7 | 39.7 | 42.4 | 43.4 | 50.8 | 56.7 | 63.7 | 63.2 | 57.9 | 49.0 | 42.0 | 33.6 | 51.4 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1971 | 1978 | 1990 | 1975 |
| Mean Precipitation (in.) | 1.34 | 1.30 | 1.03 | 0.59 | 0.17 | 0.03 | 0.02 | 0.05 | 0.25 | 0.30 | 0.75 | 0.78 | 6.61 |
| Highest Precipitation (in.) | 5.67 | 4.58 | 3.30 | 2.10 | 1.05 | 0.75 | 0.34 | 0.79 | 2.30 | 1.15 | 2.79 | 2.65 | 13.35 |
| Year Highest Occurred | 1969 | 1969 | 1983 | 1982 | 1977 | 1987 | 1966 | 1968 | 1976 | 1964 | 1965 | 1977 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 1.85 |
| Year Lowest Occurred | 1976 | 1971 | 1984 | 1989 | 1987 | 1990 | 1990 | 1990 | 1988 | 1990 | 1975 | 1990 | 1989 |
| Heating Degree Days (F) | 561. | 330. | 259. | 159. | 27. | 0. | 0. | 0. | 0. | 37. | 268. | 558. | 2199. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 90. | 191. | 390. | 577. | 543. | 363. | 139. | 0. | 0. | 2304. |