| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 68.6 | 71.1 | 72.3 | 77.1 | 81.0 | 87.7 | 95.4 | 95.4 | 91.0 | 84.3 | 74.5 | 68.7 | 80.6 |
| Highest Mean Max. Temperature (F) | 77.8 | 79.0 | 80.3 | 86.4 | 93.6 | 96.8 | 101.5 | 100.9 | 99.1 | 90.7 | 81.3 | 75.9 | 84.1 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1987 | 1984 | 1981 | 1985 | 1986 | 1979 | 1990 | 1977 | 1989 | 1984 |
| Lowest Mean Max. Temperature (F) | 61.8 | 62.2 | 66.1 | 64.5 | 73.1 | 77.7 | 90.6 | 89.9 | 83.7 | 78.0 | 69.1 | 59.6 | 78.1 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1982 | 1987 | 1968 | 1986 | 1972 | 1964 | 1971 | 1982 |
| Mean Temperature (F) | 54.1 | 56.0 | 57.2 | 60.8 | 65.2 | 70.6 | 76.4 | 76.8 | 73.2 | 67.1 | 58.9 | 53.8 | 64.2 |
| Highest Mean Temperature (F) | 58.7 | 61.5 | 63.7 | 67.5 | 72.7 | 77.8 | 81.1 | 80.7 | 79.7 | 70.6 | 63.3 | 57.6 | 66.3 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1985 | 1967 | 1984 | 1987 | 1976 | 1980 | 1984 |
| Lowest Mean Temperature (F) | 49.8 | 50.8 | 52.6 | 51.3 | 59.7 | 64.2 | 71.9 | 72.7 | 68.0 | 63.6 | 55.1 | 49.0 | 62.3 |
| Year Lowest Occurred | 1979 | 1966 | 1962 | 1967 | 1977 | 1982 | 1987 | 1968 | 1986 | 1981 | 1964 | 1971 | 1964 |
| Mean Min. Temperature (F) | 39.6 | 40.9 | 42.0 | 44.4 | 49.3 | 53.5 | 57.3 | 58.2 | 55.4 | 49.9 | 43.2 | 38.8 | 47.7 |
| Highest Mean Min. Temperature (F) | 46.2 | 46.7 | 47.0 | 49.5 | 52.3 | 58.7 | 61.0 | 62.9 | 61.2 | 55.3 | 48.1 | 44.8 | 49.5 |
| Year Highest Occurred | 1980 | 1963 | 1972 | 1989 | 1987 | 1981 | 1984 | 1967 | 1984 | 1987 | 1969 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 35.7 | 35.9 | 38.0 | 38.1 | 45.4 | 50.2 | 53.1 | 54.5 | 51.0 | 45.7 | 40.0 | 34.4 | 46.2 |
| Year Lowest Occurred | 1963 | 1966 | 1985 | 1967 | 1964 | 1980 | 1987 | 1976 | 1965 | 1971 | 1984 | 1990 | 1975 |
| Mean Precipitation (in.) | 3.31 | 3.30 | 2.88 | 1.02 | 0.18 | 0.02 | 0.00 | 0.18 | 0.26 | 0.54 | 2.48 | 2.14 | 16.31 |
| Highest Precipitation (in.) | 16.20 | 14.38 | 12.39 | 6.76 | 3.37 | 0.22 | 0.08 | 2.49 | 2.26 | 5.93 | 12.60 | 6.84 | 38.48 |
| Year Highest Occurred | 1969 | 1980 | 1983 | 1965 | 1977 | 1976 | 1985 | 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 | 4.40 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1989 | 1989 | 1990 | 1990 | 1989 | 1990 | 1990 | 1980 | 1989 | 1972 |
| Heating Degree Days (F) | 338. | 258. | 256. | 179. | 83. | 34. | 0. | 0. | 11. | 38. | 195. | 351. | 1743. |
| Cooling Degree Days (F) | 0. | 6. | 14. | 53. | 89. | 202. | 353. | 366. | 257. | 103. | 12. | 0. | 1455. |