| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 68.0 | 70.1 | 70.6 | 74.5 | 77.1 | 82.2 | 89.0 | 89.6 | 87.4 | 82.1 | 73.4 | 67.9 | 77.7 |
| Highest Mean Max. Temperature (F) | 74.6 | 76.4 | 78.1 | 82.3 | 86.3 | 90.3 | 93.4 | 93.5 | 94.5 | 88.9 | 79.4 | 73.4 | 80.4 |
| Year Highest Occurred | 1961 | 1988 | 1988 | 1989 | 1984 | 1981 | 1990 | 1969 | 1984 | 1990 | 1976 | 1963 | 1990 |
| Lowest Mean Max. Temperature (F) | 61.4 | 61.3 | 65.4 | 64.1 | 71.1 | 73.7 | 84.6 | 86.0 | 80.5 | 77.9 | 68.5 | 61.6 | 75.7 |
| Year Lowest Occurred | 1979 | 1969 | 1962 | 1967 | 1977 | 1965 | 1987 | 1974 | 1986 | 1981 | 1985 | 1987 | 1975 |
| Mean Temperature (F) | 55.8 | 57.7 | 58.5 | 61.8 | 65.0 | 69.5 | 75.0 | 75.7 | 73.7 | 68.5 | 60.8 | 55.8 | 64.8 |
| Highest Mean Temperature (F) | 61.1 | 62.0 | 63.3 | 67.9 | 71.9 | 76.5 | 78.8 | 80.2 | 80.8 | 72.5 | 65.5 | 60.3 | 66.7 |
| Year Highest Occurred | 1986 | 1977 | 1988 | 1987 | 1984 | 1981 | 1985 | 1967 | 1984 | 1965 | 1976 | 1980 | 1984 |
| Lowest Mean Temperature (F) | 51.7 | 51.8 | 53.8 | 53.6 | 60.5 | 64.1 | 71.4 | 72.5 | 68.1 | 65.5 | 57.5 | 51.4 | 63.0 |
| Year Lowest Occurred | 1979 | 1969 | 1962 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1975 | 1985 | 1971 | 1975 |
| Mean Min. Temperature (F) | 43.6 | 45.3 | 46.5 | 49.2 | 53.0 | 56.8 | 60.9 | 61.8 | 60.0 | 54.9 | 48.1 | 43.6 | 52.0 |
| Highest Mean Min. Temperature (F) | 48.8 | 50.1 | 50.3 | 53.5 | 57.4 | 62.7 | 65.7 | 67.0 | 67.1 | 59.1 | 52.2 | 49.9 | 54.2 |
| Year Highest Occurred | 1986 | 1980 | 1978 | 1987 | 1984 | 1981 | 1984 | 1967 | 1984 | 1987 | 1967 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 40.0 | 40.7 | 42.2 | 43.1 | 49.8 | 54.0 | 57.5 | 57.9 | 55.7 | 51.7 | 45.5 | 40.4 | 50.3 |
| Year Lowest Occurred | 1989 | 1990 | 1962 | 1967 | 1977 | 1975 | 1962 | 1989 | 1986 | 1989 | 1982 | 1990 | 1975 |
| Mean Precipitation (in.) | 3.78 | 3.90 | 3.53 | 1.42 | 0.32 | 0.09 | 0.02 | 0.20 | 0.55 | 0.51 | 2.60 | 2.45 | 19.37 |
| Highest Precipitation (in.) | 16.74 | 19.70 | 12.86 | 7.77 | 3.68 | 0.44 | 0.19 | 2.27 | 3.93 | 3.34 | 13.74 | 7.74 | 48.47 |
| Year Highest Occurred | 1969 | 1980 | 1978 | 1983 | 1977 | 1972 | 1987 | 1977 | 1976 | 1987 | 1965 | 1984 | 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 | 6.93 |
| Year Lowest Occurred | 1976 | 1984 | 1972 | 1985 | 1986 | 1990 | 1990 | 1989 | 1980 | 1990 | 1980 | 1989 | 1989 |
| Heating Degree Days (F) | 288. | 217. | 214. | 153. | 76. | 34. | 0. | 0. | 9. | 25. | 147. | 290. | 1453. |
| Cooling Degree Days (F) | 0. | 12. | 13. | 57. | 76. | 169. | 310. | 332. | 270. | 134. | 21. | 0. | 1394. |