A 6,602 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 |
|---|---|---|---|---|
| 2026-10-20 | 175 | 29.3 | 0/7 | p80 |
| 2026-10-19 | 175 | 29.3 | 0/7 | p80 |
| 2026-10-18 | 175 | 29.3 | 0/7 | p80 |
| 2026-10-17 | 175 | 29.3 | 0/7 | p81 |
| 2026-10-16 | 175 | 29.3 | 0/7 | p82 |
| 2026-10-15 | 208 | 37.28 | 0/7 | p84 |
| 2026-10-14 | 208 | 37.28 | 0/7 | p85 |
| 2026-10-13 | 208 | 37.28 | 0/7 | p87 |
| 2026-10-12 | 208 | 37.28 | 0/7 | p76 |
| 2026-10-11 | 208 | 37.28 | 0/7 | p65 |
| 2026-10-10 | 208 | 37.28 | 1/7 | p44 |
| 2026-10-09 | 208 | 37.28 | 2/7 | p42 |
| 2026-10-08 | 208 | 37.28 | 2/7 | p44 |
| 2026-10-07 | 208 | 37.28 | 1/7 | p40 |