| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 66.9 | 72.1 | 76.5 | 85.5 | 94.8 | 104.4 | 107.1 | 104.9 | 99.8 | 89.6 | 76.3 | 67.3 | 87.1 |
| Highest Mean Max. Temperature (F) | 74.3 | 77.7 | 87.8 | 96.0 | 101.4 | 108.5 | 109.7 | 109.4 | 104.4 | 94.8 | 81.2 | 75.8 | 90.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1989 | 1969 | 1979 | 1988 | 1967 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 58.4 | 65.3 | 67.7 | 77.4 | 89.7 | 96.8 | 103.3 | 100.9 | 94.6 | 83.0 | 71.4 | 61.2 | 84.9 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1984 | 1964 | 1985 | 1972 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 51.4 | 55.8 | 60.0 | 67.7 | 76.3 | 85.6 | 91.2 | 89.3 | 83.0 | 71.6 | 59.6 | 51.8 | 70.3 |
| Highest Mean Temperature (F) | 56.8 | 60.6 | 67.8 | 76.2 | 82.9 | 91.0 | 94.1 | 92.9 | 88.0 | 77.8 | 63.5 | 58.4 | 72.8 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1983 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 47.1 | 49.6 | 54.1 | 61.4 | 71.8 | 78.6 | 88.5 | 85.6 | 78.2 | 66.1 | 55.6 | 47.8 | 68.3 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1987 | 1968 | 1985 | 1971 | 1964 | 1974 | 1975 |
| Mean Min. Temperature (F) | 35.8 | 39.5 | 43.5 | 49.8 | 57.8 | 66.7 | 75.4 | 73.6 | 66.2 | 53.6 | 42.8 | 36.3 | 53.4 |
| Highest Mean Min. Temperature (F) | 42.5 | 45.3 | 47.9 | 56.4 | 64.3 | 74.2 | 78.7 | 77.2 | 74.5 | 60.7 | 47.3 | 40.9 | 56.5 |
| Year Highest Occurred | 1980 | 1980 | 1989 | 1989 | 1984 | 1981 | 1981 | 1981 | 1983 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 30.9 | 31.5 | 37.4 | 44.3 | 52.6 | 60.3 | 69.4 | 68.2 | 60.8 | 48.4 | 38.5 | 32.0 | 50.5 |
| Year Lowest Occurred | 1972 | 1964 | 1962 | 1967 | 1971 | 1965 | 1987 | 1976 | 1986 | 1969 | 1975 | 1968 | 1975 |
| Mean Precipitation (in.) | 0.81 | 0.93 | 0.87 | 0.27 | 0.09 | 0.05 | 0.68 | 0.95 | 0.95 | 0.64 | 0.72 | 1.07 | 8.03 |
| Highest Precipitation (in.) | 2.95 | 3.30 | 4.05 | 2.00 | 0.79 | 0.50 | 4.10 | 2.68 | 4.27 | 3.29 | 2.77 | 4.66 | 16.43 |
| Year Highest Occurred | 1978 | 1978 | 1978 | 1965 | 1976 | 1990 | 1984 | 1990 | 1983 | 1972 | 1982 | 1967 | 1978 |
| 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 | 3.00 |
| Year Lowest Occurred | 1976 | 1989 | 1984 | 1989 | 1990 | 1989 | 1989 | 1975 | 1988 | 1973 | 1989 | 1988 | 1989 |
| Heating Degree Days (F) | 422. | 263. | 192. | 68. | 0. | 0. | 0. | 0. | 0. | 22. | 173. | 409. | 1549. |
| Cooling Degree Days (F) | 0. | 6. | 37. | 149. | 354. | 618. | 812. | 753. | 540. | 227. | 11. | 0. | 3507. |