| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 65.1 | 69.4 | 73.5 | 82.4 | 91.3 | 101.3 | 104.7 | 101.9 | 96.1 | 86.5 | 73.7 | 65.6 | 84.3 |
| Highest Mean Max. Temperature (F) | 73.0 | 76.0 | 88.3 | 91.1 | 96.8 | 108.2 | 109.8 | 108.6 | 100.9 | 92.0 | 78.8 | 74.4 | 86.9 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1974 | 1978 | 1969 | 1969 | 1964 | 1970 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 57.2 | 61.9 | 65.1 | 74.0 | 84.1 | 94.7 | 99.3 | 97.4 | 89.4 | 79.5 | 68.4 | 59.1 | 81.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1984 | 1990 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 48.6 | 52.3 | 56.2 | 62.9 | 71.1 | 80.3 | 87.0 | 84.7 | 77.9 | 67.5 | 55.9 | 48.8 | 66.1 |
| Highest Mean Temperature (F) | 53.6 | 58.1 | 67.1 | 69.3 | 75.0 | 86.5 | 90.1 | 89.9 | 82.2 | 72.6 | 60.7 | 55.3 | 68.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1962 | 1963 | 1974 | 1961 | 1969 | 1983 | 1964 | 1962 | 1980 | 1972 |
| Lowest Mean Temperature (F) | 44.3 | 46.5 | 50.9 | 55.8 | 65.9 | 74.3 | 81.8 | 80.0 | 72.6 | 61.8 | 51.9 | 44.0 | 64.2 |
| Year Lowest Occurred | 1964 | 1969 | 1969 | 1975 | 1980 | 1982 | 1987 | 1968 | 1986 | 1971 | 1973 | 1968 | 1982 |
| Mean Min. Temperature (F) | 32.0 | 35.2 | 38.9 | 43.4 | 50.7 | 59.2 | 69.2 | 67.5 | 59.6 | 48.4 | 38.1 | 31.9 | 47.8 |
| Highest Mean Min. Temperature (F) | 36.9 | 40.7 | 45.9 | 48.6 | 54.7 | 66.3 | 73.7 | 71.7 | 66.1 | 54.6 | 44.2 | 37.2 | 50.2 |
| Year Highest Occurred | 1981 | 1963 | 1972 | 1962 | 1963 | 1961 | 1961 | 1977 | 1983 | 1972 | 1965 | 1962 | 1961 |
| Lowest Mean Min. Temperature (F) | 24.9 | 27.5 | 31.3 | 37.5 | 47.3 | 52.3 | 62.1 | 59.0 | 52.3 | 42.8 | 32.2 | 24.3 | 45.5 |
| Year Lowest Occurred | 1964 | 1974 | 1977 | 1975 | 1977 | 1982 | 1987 | 1975 | 1973 | 1973 | 1973 | 1968 | 1968 |
| Mean Precipitation (in.) | 1.15 | 1.09 | 1.57 | 0.45 | 0.23 | 0.14 | 1.37 | 1.88 | 1.41 | 0.67 | 0.99 | 1.25 | 12.20 |
| Highest Precipitation (in.) | 3.83 | 5.00 | 5.68 | 2.61 | 0.96 | 0.83 | 4.29 | 5.36 | 5.45 | 3.84 | 4.20 | 5.71 | 25.11 |
| Year Highest Occurred | 1978 | 1980 | 1978 | 1965 | 1965 | 1967 | 1990 | 1963 | 1976 | 1972 | 1978 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 6.67 |
| Year Lowest Occurred | 1972 | 1989 | 1984 | 1989 | 1988 | 1989 | 1972 | 1962 | 1989 | 1973 | 1989 | 1981 | 1961 |
| Heating Degree Days (F) | 508. | 356. | 294. | 135. | 14. | 0. | 0. | 0. | 0. | 59. | 276. | 502. | 2144. |
| Cooling Degree Days (F) | 0. | 0. | 21. | 72. | 203. | 459. | 682. | 611. | 387. | 136. | 0. | 0. | 2571. |