Big Hole River below Hamilton Ditch near Twin Bridges, Mount
USGS Site No: 06026420 • Big Hole River • Madison County, MT
Big Hole River below Hamilton Ditch near Twin Bridges, Mount on the Big Hole River is currently at 2,120 cfs (Very High — 95th percentile for this date) . Gage height: 3.22 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 | 245 | |
| 25th | Low threshold | 306 | |
| 50th (Median) | Normal (median) | 411 | |
| 75th | High threshold | 461 | |
| 95th | Very High threshold | 0 |
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 | 1,750 | — |
| May 27, 2026 | 1,470 | — |
| May 26, 2026 | 1,270 | — |
| May 25, 2026 | 1,200 | — |
| May 24, 2026 | 1,250 | — |
| May 23, 2026 | 1,390 | — |
| May 22, 2026 | 1,530 | — |
| May 21, 2026 | 1,660 | — |
| May 20, 2026 | 1,880 | — |
| May 19, 2026 | 2,190 | — |
| May 18, 2026 | 2,490 | — |
| May 17, 2026 | 2,620 | — |
| May 16, 2026 | 2,700 | — |
| May 15, 2026 | 2,880 | — |
| Oct 31, 2025 | 334 | — |
| Oct 30, 2025 | 337 | — |
| Oct 29, 2025 | 332 | — |
| Oct 28, 2025 | 342 | — |
| Oct 27, 2025 | 340 | — |
| Oct 26, 2025 | 332 | — |
| Oct 25, 2025 | 338 | — |
| Oct 24, 2025 | 346 | — |
| Oct 23, 2025 | 355 | — |
| Oct 22, 2025 | 348 | — |
| Oct 21, 2025 | 357 | — |
| Oct 20, 2025 | 357 | — |
| Oct 19, 2025 | 351 | — |
| Oct 18, 2025 | 364 | — |
| Oct 17, 2025 | 371 | — |
| Oct 16, 2025 | 342 | — |
Station Information
- USGS Site No
- 06026420
- State
- MT
- County
- Madison County
- Coordinates
- 45.5500, -112.3607
- Drainage Area
- 2,791 mi²
- Datum (ft)
- 4,630.0
- HUC Code
- 10020004
Recent Extremes
- Max discharge
-
3,160 cfsMay 14, 2025
- Min discharge
-
42 cfsAug 26, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Beaverhead River at Twin Bridges, MountVery High1.1 mi · 175 cfs
-
Ruby River Near Twin Bridges MountVery Low3.3 mi · 20 cfs
-
Jefferson River Near Twin Bridges, MountVery High4.6 mi · 2,380 cfs
-
Big Hole River Near Glen MountVery High12.1 mi · 2,520 cfs
-
Beaverhead River Near Twin Bridges MountVery Low12.3 mi · 90 cfs