A 3,220 km² sub-basin of the Texas-Gulf region in TX. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 218 | 17.69 | 1/3 | p29 |
| 2026-10-19 | 218 | 17.69 | 1/3 | p28 |
| 2026-10-18 | 218 | 17.69 | 1/3 | p29 |
| 2026-10-17 | 218 | 17.69 | 1/3 | p29 |
| 2026-10-16 | 218 | 17.69 | 2/3 | p24 |
| 2026-10-15 | 243 | 42.84 | 2/3 | p13 |
| 2026-10-14 | 243 | 42.84 | 2/3 | p13 |
| 2026-10-13 | 243 | 42.84 | 2/3 | p14 |
| 2026-10-12 | 243 | 42.84 | 2/3 | p16 |
| 2026-10-11 | 243 | 42.84 | 2/3 | p18 |
| 2026-10-10 | 243 | 42.84 | 2/3 | p23 |
| 2026-10-09 | 243 | 42.84 | 1/3 | p29 |
| 2026-10-08 | 326 | 100 | 1/3 | p29 |
| 2026-10-07 | 326 | 100 | 0/3 | p58 |