A 11,583 km² sub-basin of the Missouri region in ND, SD. 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 | 152 | 12.14 | 1/6 | p79 |
| 2026-10-20 | 152 | 12.14 | 1/6 | p78 |
| 2026-10-19 | 152 | 12.14 | 1/6 | p75 |
| 2026-10-18 | 152 | 12.14 | 1/6 | p72 |
| 2026-10-17 | 152 | 12.14 | 0/6 | p67 |
| 2026-10-16 | 152 | 12.14 | 1/6 | p65 |
| 2026-10-15 | 152 | 12.14 | 1/6 | p53 |
| 2026-10-14 | 152 | 12.14 | 2/6 | p41 |
| 2026-10-13 | 152 | 12.14 | 1/6 | p41 |
| 2026-10-12 | 152 | 12.14 | 1/6 | p44 |
| 2026-10-11 | 152 | 12.14 | 2/6 | p45 |
| 2026-10-10 | 152 | 12.14 | 2/7 | p48 |
| 2026-10-09 | 152 | 12.14 | 2/7 | p49 |
| 2026-10-08 | 162 | 12.22 | 2/7 | p50 |