Yellowstone River at Corwin Springs Mount
USGS Site No: 06191500 • Yellowstone River • Park County, MT
Yellowstone River at Corwin Springs Mount on the Yellowstone River is currently at 8,980 cfs (Very High — 130th percentile for this date) . Gage height: 5.61 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 979 | |
| 25th | Low threshold | 1,120 | |
| 50th (Median) | Normal (median) | 1,330 | |
| 75th | High threshold | 1,610 | |
| 95th | Very High threshold | 1,990 |
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 28, 2026 | 9,310 | — |
| May 27, 2026 | 8,250 | — |
| May 26, 2026 | 7,170 | — |
| May 25, 2026 | 6,120 | — |
| May 24, 2026 | 5,300 | — |
| May 23, 2026 | 4,960 | — |
| May 22, 2026 | 5,000 | — |
| May 21, 2026 | 5,160 | — |
| May 20, 2026 | 5,150 | — |
| May 19, 2026 | 5,330 | — |
| May 18, 2026 | 5,790 | — |
| May 17, 2026 | 6,410 | — |
| May 16, 2026 | 7,210 | — |
| May 15, 2026 | 8,090 | — |
| Apr 20, 2026 | 2,630 | — |
| Apr 19, 2026 | 2,560 | — |
| Apr 18, 2026 | 2,570 | — |
| Apr 17, 2026 | 2,720 | — |
| Apr 16, 2026 | 2,970 | — |
| Apr 15, 2026 | 2,970 | — |
| Apr 14, 2026 | 3,200 | — |
| Apr 13, 2026 | 3,580 | — |
| Apr 12, 2026 | 3,800 | — |
| Apr 11, 2026 | 3,640 | — |
| Apr 10, 2026 | 3,290 | — |
| Apr 9, 2026 | 2,990 | — |
| Apr 8, 2026 | 2,790 | — |
| Apr 7, 2026 | 2,450 | — |
| Apr 6, 2026 | 2,220 | — |
| Apr 5, 2026 | 2,090 | — |
Station Information
- USGS Site No
- 06191500
- State
- MT
- County
- Park County
- Coordinates
- 45.1121, -110.7937
- Drainage Area
- 2,615 mi²
- Datum (ft)
- 5,079.1
- HUC Code
- 10070002
Flood Stage Thresholds
- Flood Stage
- 11.0 ft
- Moderate Flood
- 12.0 ft
- Major Flood
- 13.0 ft
Currently 5.39 ft below flood stage.
Recent Extremes
- Max discharge
-
13,500 cfsJun 2, 2025
- Min discharge
-
624 cfsJan 9, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Gardner River Near Mammoth, YnpVery High9.7 mi · 469 cfs
-
Boiling River at Mammoth,ynpNormal10.1 mi · 25 cfs
-
Lamar River near Tower Ranger Station YnpVery High23.3 mi · 4,060 cfs
-
Gallatin River Above Deer Creek, Near Big Sky, MountVery High24.0 mi · 1,700 cfs
-
Tantalus Creek at Norris Junction, YnpLow26.5 mi · 3 cfs