| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.3 | 61.5 | 68.3 | 77.0 | 86.7 | 96.9 | 102.1 | 99.7 | 92.3 | 80.4 | 65.4 | 55.9 | 78.5 |
| Highest Mean Max. Temperature (F) | 63.7 | 68.1 | 80.6 | 86.8 | 95.0 | 101.9 | 105.9 | 104.4 | 98.1 | 88.2 | 70.2 | 64.9 | 81.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1985 | 1989 | 1969 | 1979 | 1988 | 1989 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 46.5 | 55.2 | 59.3 | 68.4 | 77.8 | 90.6 | 98.8 | 95.7 | 86.9 | 74.2 | 58.9 | 50.2 | 76.3 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1975 | 1977 | 1965 | 1984 | 1968 | 1976 | 1971 | 1972 | 1971 | 1982 |
| Mean Temperature (F) | 46.9 | 52.2 | 57.3 | 64.9 | 74.0 | 83.5 | 89.1 | 87.1 | 80.0 | 69.1 | 55.9 | 47.3 | 67.3 |
| Highest Mean Temperature (F) | 54.2 | 59.4 | 68.3 | 73.9 | 81.3 | 88.4 | 92.4 | 92.0 | 84.7 | 76.7 | 59.7 | 55.4 | 69.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 40.3 | 47.5 | 51.0 | 56.8 | 66.7 | 78.0 | 86.0 | 82.4 | 74.5 | 64.0 | 51.0 | 42.4 | 65.2 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1967 | 1977 | 1965 | 1986 | 1983 | 1986 | 1971 | 1972 | 1990 | 1982 |
| Mean Min. Temperature (F) | 38.5 | 42.9 | 46.3 | 52.7 | 61.2 | 70.2 | 76.0 | 74.3 | 67.7 | 57.8 | 46.4 | 38.7 | 56.1 |
| Highest Mean Min. Temperature (F) | 44.8 | 50.6 | 55.9 | 61.0 | 67.6 | 75.5 | 78.9 | 79.5 | 71.3 | 65.1 | 50.1 | 45.8 | 57.9 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1979 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 33.9 | 38.1 | 39.3 | 44.5 | 55.6 | 62.5 | 72.0 | 68.9 | 61.9 | 52.9 | 42.6 | 33.2 | 54.1 |
| Year Lowest Occurred | 1974 | 1964 | 1964 | 1967 | 1977 | 1980 | 1983 | 1983 | 1986 | 1982 | 1964 | 1990 | 1983 |
| Mean Precipitation (in.) | 0.57 | 0.58 | 0.70 | 0.31 | 0.23 | 0.13 | 0.48 | 0.86 | 0.64 | 0.31 | 0.54 | 0.50 | 5.85 |
| Highest Precipitation (in.) | 2.35 | 2.35 | 3.62 | 3.03 | 1.37 | 0.70 | 2.10 | 5.08 | 3.75 | 2.23 | 2.15 | 2.46 | 13.36 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1965 | 1971 | 1964 | 1980 | 1984 | 1976 | 1974 | 1987 | 1984 | 1984 |
| 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 | 1.39 |
| Year Lowest Occurred | 1984 | 1977 | 1988 | 1989 | 1988 | 1989 | 1966 | 1987 | 1989 | 1988 | 1989 | 1990 | 1964 |
| Heating Degree Days (F) | 561. | 358. | 276. | 133. | 15. | 0. | 0. | 0. | 0. | 53. | 278. | 549. | 2223. |
| Cooling Degree Days (F) | 0. | 0. | 38. | 130. | 294. | 555. | 747. | 685. | 450. | 180. | 5. | 0. | 3084. |