Clarks Fork Yellowstone River near Belfry Mount
USGS Site No: 06207500 • Yellowstone River • Carbon County, MT
Clarks Fork Yellowstone River near Belfry Mount on the Yellowstone River is currently at 5,800 cfs (Very High — 194th 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 | 134 | |
| 25th | Low threshold | 184 | |
| 50th (Median) | Normal (median) | 268 | |
| 75th | High threshold | 348 | |
| 95th | Very High threshold | 534 |
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 | 5,450 | — |
| May 27, 2026 | 4,070 | — |
| May 26, 2026 | 2,970 | — |
| May 25, 2026 | 1,880 | — |
| May 24, 2026 | 1,400 | — |
| May 23, 2026 | 1,370 | — |
| May 22, 2026 | 1,460 | — |
| May 21, 2026 | 1,580 | — |
| May 20, 2026 | 1,560 | — |
| May 19, 2026 | 1,820 | — |
| May 18, 2026 | 2,250 | — |
| May 17, 2026 | 2,700 | — |
| May 16, 2026 | 3,330 | — |
| May 15, 2026 | 4,100 | — |
| Apr 20, 2026 | 620 | — |
| Apr 19, 2026 | 631 | — |
| Apr 18, 2026 | 685 | — |
| Apr 17, 2026 | 772 | — |
| Apr 16, 2026 | 856 | — |
| Apr 15, 2026 | 914 | — |
| Apr 14, 2026 | 1,030 | — |
| Apr 13, 2026 | 1,180 | — |
| Apr 12, 2026 | 1,230 | — |
| Apr 11, 2026 | 1,160 | — |
| Apr 10, 2026 | 1,030 | — |
| Apr 9, 2026 | 944 | — |
| Apr 8, 2026 | 879 | — |
| Apr 7, 2026 | 784 | — |
| Apr 6, 2026 | 719 | — |
| Apr 5, 2026 | 701 | — |
Station Information
- USGS Site No
- 06207500
- State
- MT
- County
- Carbon County
- Coordinates
- 45.0099, -109.0654
- Drainage Area
- 1,153 mi²
- Datum (ft)
- 3,986.2
- HUC Code
- 10070006
Flood Stage Thresholds
- Flood Stage
- 9.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 11.5 ft
Currently 3.39 ft below flood stage.
Recent Extremes
- Max discharge
-
7,490 cfsJun 2, 2025
- Min discharge
-
86 cfsSep 10, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Rock Creek Near Red Lodge MountVery High13.9 mi · 443 cfs
- Unknown
-
Willow Creek Near Boyd MountVery Low29.6 mi · 6 cfs
-
Red Lodge Creek above Cooney Re near Boyd MountLow31.0 mi · 25 cfs
-
Shoshone River Near Lovell, WYLow33.0 mi · 387 cfs