A 2,338 km² sub-basin of the Missouri region in WY. 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 | 145 | 10.55 | 1/1 | p19 |
| 2026-10-20 | 145 | 10.55 | 1/1 | p16 |
| 2026-10-19 | 145 | 10.55 | 1/1 | p16 |
| 2026-10-18 | 145 | 10.55 | 1/1 | p15 |
| 2026-10-17 | 145 | 10.55 | 1/1 | p13 |
| 2026-10-16 | 145 | 10.55 | 0/1 | p38 |
| 2026-10-15 | 158 | 12.38 | 0/1 | p51 |
| 2026-10-14 | 158 | 12.38 | 0/1 | p57 |
| 2026-10-13 | 158 | 12.38 | 0/1 | p78 |
| 2026-10-12 | 158 | 12.38 | 0/1 | p68 |
| 2026-10-11 | 158 | 12.38 | 1/1 | p23 |
| 2026-10-10 | 158 | 12.38 | 1/1 | p12 |
| 2026-10-09 | 158 | 12.38 | 1/1 | p11 |
| 2026-10-08 | 158 | 12.38 | 1/1 | p11 |