A 1,997 km² sub-basin of the Rio Grande 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 |
|---|---|---|---|---|
| 2026-10-21 | 125 | 0 | 1/1 | p17 |
| 2026-10-20 | 125 | 0 | 1/1 | p20 |
| 2026-10-19 | 125 | 0 | 1/1 | p23 |
| 2026-10-18 | 125 | 0 | 1/1 | p23 |
| 2026-10-17 | 125 | 0 | 1/1 | p23 |
| 2026-10-16 | 125 | 0 | 1/1 | p23 |
| 2026-10-15 | 125 | 0 | 1/1 | p17 |
| 2026-10-14 | 125 | 0 | 1/1 | p15 |
| 2026-10-13 | 125 | 0 | 1/1 | p14 |
| 2026-10-12 | 125 | 0 | 1/1 | p16 |
| 2026-10-11 | 125 | 0 | 1/1 | p17 |
| 2026-10-10 | 125 | 0 | 1/1 | p18 |
| 2026-10-09 | 125 | 0 | 0/1 | p29 |
| 2026-10-08 | 185 | 16.95 | 0/1 | p32 |