| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 67.7 | 69.4 | 69.5 | 72.3 | 73.9 | 78.3 | 84.0 | 84.5 | 82.7 | 79.0 | 72.4 | 67.8 | 75.1 |
| Highest Mean Max. Temperature (F) | 75.4 | 75.1 | 77.2 | 80.1 | 82.2 | 86.8 | 88.8 | 90.3 | 90.4 | 84.6 | 78.6 | 74.7 | 77.7 |
| Year Highest Occurred | 1986 | 1988 | 1988 | 1989 | 1984 | 1981 | 1985 | 1983 | 1984 | 1990 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 61.9 | 59.8 | 62.9 | 63.4 | 69.2 | 71.1 | 80.0 | 80.2 | 77.6 | 74.4 | 68.1 | 60.9 | 71.9 |
| Year Lowest Occurred | 1979 | 1962 | 1975 | 1975 | 1977 | 1965 | 1965 | 1974 | 1986 | 1962 | 1978 | 1971 | 1975 |
| Mean Temperature (F) | 58.3 | 60.1 | 60.7 | 63.3 | 65.8 | 69.7 | 74.3 | 75.1 | 73.7 | 69.7 | 63.0 | 58.3 | 66.0 |
| Highest Mean Temperature (F) | 65.9 | 64.6 | 65.6 | 70.2 | 72.4 | 77.4 | 79.2 | 80.8 | 81.3 | 74.2 | 66.9 | 63.7 | 68.9 |
| Year Highest Occurred | 1986 | 1980 | 1984 | 1989 | 1984 | 1981 | 1985 | 1983 | 1984 | 1983 | 1976 | 1980 | 1983 |
| Lowest Mean Temperature (F) | 53.3 | 53.8 | 55.2 | 56.0 | 61.7 | 64.1 | 70.1 | 71.6 | 68.8 | 65.7 | 58.4 | 52.8 | 63.0 |
| Year Lowest Occurred | 1979 | 1962 | 1962 | 1975 | 1964 | 1965 | 1965 | 1976 | 1986 | 1962 | 1978 | 1971 | 1975 |
| Mean Min. Temperature (F) | 48.9 | 50.6 | 51.8 | 54.2 | 57.7 | 61.1 | 64.5 | 65.7 | 64.6 | 60.3 | 53.5 | 48.8 | 56.8 |
| Highest Mean Min. Temperature (F) | 56.3 | 55.7 | 57.8 | 60.3 | 63.8 | 68.0 | 69.6 | 71.2 | 72.2 | 65.5 | 58.4 | 53.1 | 61.1 |
| Year Highest Occurred | 1986 | 1982 | 1983 | 1989 | 1983 | 1981 | 1984 | 1983 | 1984 | 1983 | 1967 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 44.6 | 44.6 | 47.1 | 48.3 | 53.0 | 56.3 | 60.1 | 62.1 | 60.0 | 56.6 | 48.7 | 42.4 | 54.1 |
| Year Lowest Occurred | 1979 | 1979 | 1962 | 1967 | 1964 | 1964 | 1965 | 1976 | 1986 | 1971 | 1978 | 1978 | 1975 |
| Mean Precipitation (in.) | 2.92 | 3.07 | 2.61 | 1.03 | 0.19 | 0.03 | 0.01 | 0.14 | 0.45 | 0.31 | 1.98 | 2.03 | 14.77 |
| Highest Precipitation (in.) | 14.94 | 12.75 | 8.37 | 6.02 | 3.03 | 0.32 | 0.18 | 2.26 | 2.82 | 2.37 | 9.68 | 6.57 | 34.04 |
| Year Highest Occurred | 1969 | 1980 | 1983 | 1965 | 1977 | 1964 | 1986 | 1977 | 1976 | 1987 | 1965 | 1971 | 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 | 4.56 |
| Year Lowest Occurred | 1976 | 1984 | 1972 | 1989 | 1988 | 1990 | 1990 | 1989 | 1990 | 1990 | 1980 | 1990 | 1989 |
| Heating Degree Days (F) | 222. | 170. | 169. | 128. | 72. | 35. | 0. | 0. | 10. | 17. | 105. | 226. | 1154. |
| Cooling Degree Days (F) | 14. | 32. | 36. | 77. | 97. | 176. | 293. | 316. | 271. | 162. | 45. | 18. | 1537. |