Quercus nigra Water Oak Fagaceae
| FIA distributions (660 counties) quartiles: | min | 1st | mean | median | 3rd | max | rank |
| Diameter, cm (10743 plots) | 0.3 | 4.2 | 17.9 | 11.2 | 27.9 | 130.0 | 61 |
| Growth Rate, cm2/yr (5516 plots) | 0.1 | 12.5 | 32.5 | 24.0 | 41.7 | 593.1 | 14 |
| Annual Temperature, °C | 4.8 | 15.8 | 17.0 | 17.1 | 18.4 | 22.2 | 72 |
| January Temperature, °C | -0.7 | 4.8 | 6.8 | 6.6 | 8.8 | 16.2 | 72 |
| Precipitation, mm | 988 | 1190 | 1300 | 1300 | 1400 | 1630 | 76 |
| Potential Evapotranspiration, mm/month | 24.8 | 70.8 | 76.0 | 77.1 | 81.6 | 113.0 | 75 |
| Maximum Elevation, m | 3 | 72 | 185 | 138 | 213 | 1980 | 9 |
| Slope, percent | 0.4 | 1.9 | 5.9 | 4.4 | 9.1 | 36.7 | 9 |
| pH | 2.1 | 4.3 | 4.6 | 4.7 | 5.0 | 7.0 | 42 |
| Permeability, cm/hr | 0.2 | 1.2 | 3.0 | 1.8 | 4.2 | 11.0 | 55 |
| Organic Matter, percent | 0.8 | 1.3 | 2.8 | 1.6 | 2.3 | 34.5 | 4 |
| Clay, percent | 3.1 | 19.9 | 23.8 | 23.5 | 28.7 | 52.0 | 44 |
| Water-Holding Capacity, cm/cm | 3.6 | 6.4 | 7.5 | 7.2 | 8.7 | 11.9 | 46 |