| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 60.3 | 66.8 | 72.7 | 81.4 | 91.3 | 101.8 | 107.5 | 104.7 | 97.1 | 84.8 | 70.4 | 60.4 | 83.3 |
| Highest Mean Max. Temperature (F) | 66.3 | 73.7 | 84.4 | 90.0 | 98.7 | 108.5 | 110.9 | 109.1 | 104.1 | 90.5 | 75.4 | 69.4 | 85.8 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1962 | 1984 | 1974 | 1981 | 1969 | 1979 | 1988 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 50.4 | 60.5 | 65.5 | 72.9 | 83.5 | 94.7 | 102.3 | 99.1 | 89.6 | 76.9 | 64.4 | 52.6 | 80.8 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1963 | 1986 | 1983 | 1986 | 1972 | 1985 | 1987 | 1987 |
| Mean Temperature (F) | 43.8 | 49.7 | 55.6 | 63.6 | 72.7 | 81.6 | 87.8 | 85.8 | 77.4 | 65.5 | 52.9 | 43.8 | 65.0 |
| Highest Mean Temperature (F) | 49.6 | 54.7 | 63.2 | 71.7 | 79.0 | 86.8 | 91.1 | 89.5 | 82.2 | 71.5 | 56.8 | 49.7 | 67.3 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1981 | 1989 | 1986 | 1983 | 1988 | 1983 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 39.2 | 44.3 | 50.0 | 56.4 | 66.5 | 75.9 | 83.8 | 81.2 | 71.2 | 59.9 | 48.7 | 38.9 | 63.0 |
| Year Lowest Occurred | 1979 | 1964 | 1962 | 1967 | 1977 | 1965 | 1963 | 1968 | 1965 | 1984 | 1961 | 1990 | 1964 |
| Mean Min. Temperature (F) | 27.3 | 32.6 | 38.4 | 45.7 | 53.9 | 61.4 | 68.0 | 66.8 | 57.7 | 46.1 | 35.3 | 27.2 | 46.7 |
| Highest Mean Min. Temperature (F) | 34.3 | 39.1 | 46.6 | 55.3 | 60.2 | 68.4 | 74.5 | 73.5 | 65.4 | 52.6 | 41.1 | 32.8 | 51.3 |
| Year Highest Occurred | 1980 | 1986 | 1986 | 1989 | 1987 | 1986 | 1989 | 1986 | 1983 | 1983 | 1983 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 19.6 | 23.8 | 30.8 | 39.6 | 48.8 | 55.6 | 61.2 | 61.4 | 48.9 | 41.1 | 30.9 | 20.6 | 43.4 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1963 | 1962 | 1962 | 1963 | 1976 | 1965 | 1971 | 1964 | 1963 | 1962 |
| Mean Precipitation (in.) | 0.49 | 0.49 | 0.44 | 0.27 | 0.24 | 0.11 | 0.36 | 0.61 | 0.29 | 0.30 | 0.45 | 0.37 | 4.42 |
| Highest Precipitation (in.) | 1.62 | 2.22 | 1.75 | 3.06 | 0.94 | 1.29 | 2.39 | 2.43 | 1.51 | 1.55 | 2.09 | 2.04 | 10.18 |
| Year Highest Occurred | 1980 | 1980 | 1973 | 1965 | 1987 | 1973 | 1984 | 1984 | 1984 | 1972 | 1965 | 1984 | 1984 |
| 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 | 1.15 |
| Year Lowest Occurred | 1984 | 1985 | 1988 | 1989 | 1988 | 1985 | 1989 | 1986 | 1989 | 1988 | 1989 | 1990 | 1968 |
| Heating Degree Days (F) | 657. | 428. | 307. | 136. | 15. | 0. | 0. | 0. | 0. | 89. | 363. | 657. | 2652. |
| Cooling Degree Days (F) | 0. | 0. | 16. | 94. | 254. | 498. | 707. | 645. | 372. | 105. | 0. | 0. | 2691. |