| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 68.9 | 73.0 | 77.0 | 84.1 | 92.5 | 102.3 | 107.4 | 105.9 | 100.2 | 90.4 | 77.9 | 69.4 | 87.4 |
| Highest Mean Max. Temperature (F) | 75.5 | 80.3 | 88.5 | 95.4 | 100.0 | 108.4 | 112.0 | 110.6 | 106.2 | 98.1 | 84.3 | 77.3 | 91.5 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1979 | 1988 | 1989 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 61.1 | 67.6 | 70.0 | 74.2 | 83.6 | 95.4 | 103.2 | 100.1 | 93.1 | 82.7 | 71.7 | 62.4 | 84.9 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1965 | 1984 | 1983 | 1985 | 1972 | 1972 | 1971 | 1982 |
| Mean Temperature (F) | 55.9 | 59.7 | 63.2 | 68.7 | 76.2 | 85.1 | 91.2 | 90.3 | 84.4 | 75.3 | 64.0 | 56.2 | 72.5 |
| Highest Mean Temperature (F) | 61.4 | 65.5 | 72.9 | 77.7 | 82.6 | 91.0 | 94.3 | 94.9 | 89.8 | 82.2 | 68.6 | 62.9 | 75.1 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1979 | 1988 | 1967 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 50.8 | 54.8 | 57.8 | 59.9 | 69.4 | 79.0 | 87.6 | 86.4 | 78.1 | 68.8 | 59.8 | 51.9 | 70.7 |
| Year Lowest Occurred | 1979 | 1966 | 1962 | 1967 | 1977 | 1965 | 1986 | 1983 | 1985 | 1971 | 1972 | 1987 | 1983 |
| Mean Min. Temperature (F) | 42.8 | 46.2 | 49.2 | 53.3 | 59.9 | 67.8 | 75.1 | 74.6 | 68.6 | 60.2 | 50.1 | 43.0 | 57.6 |
| Highest Mean Min. Temperature (F) | 49.1 | 52.9 | 57.2 | 60.0 | 65.2 | 73.5 | 77.2 | 79.1 | 73.8 | 66.3 | 56.1 | 48.8 | 59.7 |
| Year Highest Occurred | 1980 | 1968 | 1972 | 1989 | 1984 | 1981 | 1967 | 1969 | 1974 | 1988 | 1967 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 38.5 | 41.8 | 44.1 | 45.5 | 53.8 | 62.6 | 70.5 | 70.1 | 62.6 | 54.1 | 46.5 | 38.2 | 56.1 |
| Year Lowest Occurred | 1987 | 1985 | 1962 | 1967 | 1980 | 1983 | 1987 | 1976 | 1986 | 1971 | 1964 | 1990 | 1983 |
| Mean Precipitation (in.) | 1.04 | 1.01 | 0.81 | 0.23 | 0.09 | 0.02 | 0.35 | 0.67 | 0.44 | 0.31 | 0.69 | 0.86 | 6.52 |
| Highest Precipitation (in.) | 4.44 | 6.58 | 4.52 | 1.01 | 1.04 | 0.23 | 1.50 | 5.07 | 4.40 | 1.98 | 3.63 | 3.97 | 18.73 |
| Year Highest Occurred | 1978 | 1980 | 1983 | 1975 | 1980 | 1990 | 1984 | 1983 | 1976 | 1963 | 1965 | 1982 | 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 | 2.12 |
| Year Lowest Occurred | 1972 | 1974 | 1988 | 1989 | 1989 | 1989 | 1981 | 1980 | 1989 | 1989 | 1990 | 1989 | 1989 |
| Heating Degree Days (F) | 289. | 171. | 141. | 77. | 5. | 0. | 0. | 0. | 0. | 13. | 94. | 285. | 1075. |
| Cooling Degree Days (F) | 7. | 22. | 85. | 188. | 353. | 603. | 812. | 784. | 582. | 332. | 64. | 12. | 3844. |