Moreau River at Promise SD
USGS Site No: 06361000 • Moreau River • Dewey County, SD
Moreau River at Promise SD on the Moreau River is currently at 0 cfs (Unknown) . Gage height: 6.35 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 23 | |
| 25th | Low threshold | 75 | |
| 50th (Median) | Normal (median) | 264 | |
| 75th | High threshold | 880 | |
| 95th | Very High threshold | 8,980 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 26, 2026 | — | 6.12 |
| May 25, 2026 | — | 6.18 |
| May 24, 2026 | — | 6.14 |
| May 20, 2026 | — | 5.68 |
| May 19, 2026 | — | 5.73 |
| May 18, 2026 | — | 5.71 |
| May 17, 2026 | — | 5.69 |
| May 16, 2026 | — | 5.68 |
| May 15, 2026 | — | 5.72 |
| Apr 20, 2026 | — | 6.58 |
| Apr 19, 2026 | — | 6.67 |
| Apr 18, 2026 | — | 6.75 |
| Apr 17, 2026 | — | 6.84 |
| Apr 16, 2026 | — | 6.97 |
| Apr 15, 2026 | — | 7.07 |
| Apr 14, 2026 | — | 7.20 |
| Apr 13, 2026 | — | 7.38 |
| Apr 12, 2026 | — | 7.56 |
| Apr 11, 2026 | — | 7.83 |
| Apr 10, 2026 | — | 7.98 |
| Apr 9, 2026 | — | 8.36 |
| Apr 8, 2026 | — | 8.24 |
| Apr 7, 2026 | — | 7.63 |
| Apr 6, 2026 | — | 8.14 |
| Apr 5, 2026 | — | 6.74 |
| Apr 4, 2026 | — | 6.45 |
| Apr 3, 2026 | — | 6.39 |
| Apr 2, 2026 | — | 6.35 |
| Apr 1, 2026 | — | 6.29 |
| Mar 31, 2026 | — | 6.31 |
Station Information
- USGS Site No
- 06361000
- State
- SD
- County
- Dewey County
- Coordinates
- 45.3431, -100.6134
- Drainage Area
- 5,240 mi²
- Datum (ft)
- 1,597.8
- HUC Code
- 10130306
Flood Stage Thresholds
- Action Stage
- 18.0 ft
- Flood Stage
- 21.0 ft
- Moderate Flood
- 26.0 ft
- Major Flood
- 30.0 ft
Currently 14.65 ft below flood stage.
Nearby Gauges
-
Moreau River Near Whitehorse,sdNormal12.7 mi · 67 cfs
-
Grand River at Little Eagle,sdNormal23.9 mi · 86 cfs
-
Oak Creek near Rattlesnake Butte near Wakpala, SDVery Low26.6 mi · 2 cfs
-
Cheyenne River Near Eagle Butte SDUnknown53.5 mi · 0 cfs