A 11,053 km² sub-basin of the Missouri region in NE, 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 |
|---|---|---|---|---|
| 2026-10-20 | 86 | 0 | 0/2 | p51 |
| 2026-10-19 | 86 | 0 | 0/2 | p50 |
| 2026-10-18 | 86 | 0 | 0/2 | p49 |
| 2026-10-17 | 86 | 0 | 0/2 | p50 |
| 2026-10-16 | 86 | 0 | 0/2 | p47 |
| 2026-10-15 | 86 | 0 | 0/2 | p49 |
| 2026-10-14 | 86 | 0 | 0/2 | p51 |
| 2026-10-13 | 86 | 0 | 0/2 | p54 |
| 2026-10-12 | 86 | 0 | 0/2 | p52 |
| 2026-10-11 | 86 | 0 | 0/2 | p53 |
| 2026-10-10 | 86 | 0 | 0/2 | p41 |
| 2026-10-09 | 86 | 0 | 0/2 | p50 |
| 2026-10-08 | 86 | 0 | 0/2 | p44 |
| 2026-10-07 | 86 | 0 | 0/2 | p45 |