Tongue River below Brandenberg Bridge near Ashland Mount
USGS Site No: 06307830 • Tongue River • Rosebud County, MT
Tongue River below Brandenberg Bridge near Ashland Mount on the Tongue River is currently at 201 cfs (Normal — 36th percentile for this date) . Gage height: 2.97 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 | 114 | |
| 25th | Low threshold | 181 | |
| 50th (Median) | Normal (median) | 228 | Today: 201 cfs |
| 75th | High threshold | 288 | |
| 95th | Very High threshold | 522 |
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 27, 2026 | 209 | — |
| May 26, 2026 | 222 | — |
| May 25, 2026 | 226 | — |
| May 24, 2026 | 227 | — |
| May 23, 2026 | 229 | — |
| May 22, 2026 | 227 | — |
| May 21, 2026 | 219 | — |
| May 20, 2026 | 199 | — |
| May 19, 2026 | 183 | — |
| May 18, 2026 | 168 | — |
| May 17, 2026 | 142 | — |
| May 16, 2026 | 140 | — |
| May 15, 2026 | 140 | — |
| Apr 20, 2026 | 114 | — |
| Apr 19, 2026 | 112 | — |
| Apr 18, 2026 | 110 | — |
| Apr 17, 2026 | 106 | — |
| Apr 16, 2026 | 109 | — |
| Apr 15, 2026 | 113 | — |
| Apr 13, 2026 | 113 | — |
| Apr 12, 2026 | 115 | — |
| Apr 11, 2026 | 114 | — |
| Apr 10, 2026 | 111 | — |
| Apr 9, 2026 | 109 | — |
| Apr 8, 2026 | 112 | — |
| Apr 7, 2026 | 118 | — |
| Apr 6, 2026 | 120 | — |
| Apr 5, 2026 | 130 | — |
| Apr 4, 2026 | 122 | — |
| Apr 3, 2026 | 114 | — |
Station Information
- USGS Site No
- 06307830
- State
- MT
- County
- Rosebud County
- Coordinates
- 45.8404, -106.2234
- Drainage Area
- 3,882 mi²
- Datum (ft)
- 2,760.0
- HUC Code
- 10090102
Recent Extremes
- Max discharge
-
2,010 cfsJun 5, 2025
- Min discharge
-
55 cfsFeb 19, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Tongue River at Ashland, MountNormal16.9 mi · 265 cfs
-
Rosebud C Bel Lame Deer C near Lame Deer MountNormal25.6 mi · 14 cfs
-
Tongue River at Birney Day School Branch near Birney MountHigh31.7 mi · 310 cfs
-
Yellowstone River at Forsyth MountVery High37.0 mi · 19,000 cfs
-
Tongue River at Miles City, MountVery Low41.7 mi · 18 cfs