A 4,866 km² sub-basin of the Lower Colorado region in NV. 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 | 200 | 0 | 4/16 | p75 |
| 2026-10-19 | 200 | 0 | 3/16 | p77 |
| 2026-10-18 | 200 | 0 | 4/16 | p66 |
| 2026-10-17 | 200 | 0 | 3/16 | p59 |
| 2026-10-16 | 200 | 0 | 3/16 | p77 |
| 2026-10-15 | 286 | 85.8 | 3/16 | p76 |
| 2026-10-14 | 286 | 85.8 | 3/16 | p78 |
| 2026-10-13 | 286 | 85.8 | 2/16 | p89 |
| 2026-10-12 | 286 | 85.8 | 2/16 | p97 |
| 2026-10-11 | 286 | 85.8 | 3/16 | p77 |
| 2026-10-10 | 286 | 85.8 | 3/16 | p77 |
| 2026-10-09 | 286 | 85.8 | 3/16 | p77 |
| 2026-10-08 | 286 | 85.8 | 3/16 | p77 |
| 2026-10-07 | 286 | 85.8 | 3/16 | p77 |