Tongue River at Birney Day School Branch near Birney Mount
USGS Site No: 06307616 • Tongue River • Rosebud County, MT
Tongue River at Birney Day School Branch near Birney Mount on the Tongue River is currently at 310 cfs (High — 84th percentile for this date) . Gage height: 1.62 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 | 104 | |
| 25th | Low threshold | 167 | |
| 50th (Median) | Normal (median) | 218 | |
| 75th | High threshold | 278 | |
| 95th | Very High threshold | 352 | Today: 310 cfs |
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 | 328 | — |
| May 27, 2026 | 333 | — |
| May 26, 2026 | 338 | — |
| May 25, 2026 | 343 | — |
| May 24, 2026 | 341 | — |
| May 23, 2026 | 336 | — |
| May 22, 2026 | 338 | — |
| May 21, 2026 | 323 | — |
| May 20, 2026 | 325 | — |
| May 19, 2026 | 307 | — |
| May 18, 2026 | 264 | — |
| May 17, 2026 | 267 | — |
| May 16, 2026 | 209 | — |
| May 15, 2026 | 188 | — |
| Apr 20, 2026 | 98 | — |
| Apr 19, 2026 | 96 | — |
| Apr 18, 2026 | 96 | — |
| Apr 17, 2026 | 102 | — |
| Apr 15, 2026 | 96 | — |
| Apr 14, 2026 | 97 | — |
| Apr 13, 2026 | 94 | — |
| Apr 12, 2026 | 99 | — |
| Apr 11, 2026 | 98 | — |
| Apr 10, 2026 | 96 | — |
| Apr 9, 2026 | 89 | — |
| Apr 8, 2026 | 90 | — |
| Apr 7, 2026 | 96 | — |
| Apr 6, 2026 | 93 | — |
| Apr 5, 2026 | 96 | — |
| Apr 4, 2026 | 110 | — |
Station Information
- USGS Site No
- 06307616
- State
- MT
- County
- Rosebud County
- Coordinates
- 45.4116, -106.4574
- Drainage Area
- 2,634 mi²
- Datum (ft)
- 3,060.0
- HUC Code
- 10090102
Flood Stage Thresholds
- Flood Stage
- 7.0 ft
Currently 5.38 ft below flood stage.
Recent Extremes
- Max discharge
-
2,100 cfsJun 4, 2025
- Min discharge
-
68 cfsJan 22, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Tongue River at Ashland, MountNormal15.6 mi · 265 cfs
-
Rosebud C Bel Lame Deer C near Lame Deer MountNormal21.7 mi · 14 cfs
-
Tongue River at Tongue River Dam near Decker MountNormal24.1 mi · 271 cfs
-
Rosebud C at Reservation Bndry near Kirby MountHigh26.1 mi · 6 cfs
-
Tongue River below Brandenberg Bridge near Ashland MountNormal31.7 mi · 201 cfs