| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 66.5 | 71.7 | 76.9 | 86.0 | 94.8 | 104.4 | 106.1 | 103.5 | 98.6 | 88.9 | 75.9 | 66.4 | 86.6 |
| Highest Mean Max. Temperature (F) | 75.6 | 77.0 | 87.7 | 93.3 | 98.0 | 109.4 | 110.2 | 107.3 | 103.2 | 94.5 | 82.5 | 75.4 | 89.5 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1976 | 1980 | 1980 | 1981 | 1979 | 1967 | 1967 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 59.8 | 64.4 | 68.5 | 78.7 | 88.7 | 96.4 | 100.8 | 99.5 | 93.3 | 82.8 | 71.1 | 61.5 | 84.3 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1984 | 1990 | 1976 | 1971 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 51.4 | 55.5 | 60.3 | 67.6 | 76.4 | 85.6 | 91.0 | 88.6 | 82.6 | 71.6 | 59.3 | 51.5 | 70.1 |
| Highest Mean Temperature (F) | 56.5 | 59.7 | 68.4 | 75.2 | 79.9 | 89.7 | 95.0 | 93.0 | 85.6 | 76.9 | 63.5 | 57.0 | 72.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1966 | 1961 | 1961 | 1969 | 1983 | 1988 | 1967 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 47.3 | 49.9 | 54.4 | 60.6 | 69.7 | 79.3 | 86.8 | 84.9 | 78.1 | 66.6 | 56.0 | 46.4 | 67.4 |
| Year Lowest Occurred | 1964 | 1964 | 1977 | 1975 | 1977 | 1965 | 1984 | 1968 | 1976 | 1982 | 1979 | 1974 | 1975 |
| Mean Min. Temperature (F) | 36.2 | 39.2 | 43.6 | 49.3 | 57.9 | 66.7 | 75.9 | 73.7 | 66.6 | 54.1 | 42.7 | 36.5 | 53.5 |
| Highest Mean Min. Temperature (F) | 41.9 | 43.5 | 49.1 | 57.0 | 63.0 | 72.3 | 80.8 | 79.1 | 70.7 | 61.9 | 48.9 | 40.8 | 56.4 |
| Year Highest Occurred | 1969 | 1988 | 1989 | 1989 | 1987 | 1990 | 1961 | 1969 | 1962 | 1988 | 1965 | 1977 | 1989 |
| Lowest Mean Min. Temperature (F) | 30.6 | 32.7 | 36.6 | 42.4 | 50.7 | 59.3 | 71.5 | 68.2 | 60.0 | 45.1 | 36.9 | 31.0 | 49.5 |
| Year Lowest Occurred | 1964 | 1964 | 1977 | 1975 | 1977 | 1980 | 1986 | 1979 | 1986 | 1982 | 1979 | 1976 | 1975 |
| Mean Precipitation (in.) | 0.73 | 0.69 | 0.88 | 0.27 | 0.13 | 0.13 | 0.88 | 1.98 | 0.86 | 0.77 | 0.76 | 1.17 | 9.25 |
| Highest Precipitation (in.) | 3.01 | 2.23 | 3.06 | 1.44 | 0.64 | 0.94 | 3.29 | 6.22 | 1.99 | 3.70 | 2.46 | 4.71 | 17.22 |
| Year Highest Occurred | 1979 | 1978 | 1983 | 1984 | 1979 | 1962 | 1984 | 1971 | 1983 | 1972 | 1978 | 1965 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 4.88 |
| Year Lowest Occurred | 1976 | 1989 | 1984 | 1989 | 1989 | 1986 | 1963 | 1962 | 1988 | 1982 | 1980 | 1981 | 1989 |
| Heating Degree Days (F) | 422. | 272. | 190. | 65. | 0. | 0. | 0. | 0. | 0. | 21. | 184. | 419. | 1573. |
| Cooling Degree Days (F) | 0. | 6. | 44. | 143. | 353. | 618. | 806. | 732. | 528. | 226. | 13. | 0. | 3469. |