Sun River below Willow Creek near Augusta Mount
USGS Site No: 06082200 • Sun River • Teton County, MT
Sun River below Willow Creek near Augusta Mount on the Sun River is currently at 3,700 cfs (Very High — 194th percentile for this date) . Gage height: 4.76 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 27 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 | 70 | |
| 25th | Low threshold | 93 | |
| 50th (Median) | Normal (median) | 118 | |
| 75th | High threshold | 148 | |
| 95th | Very High threshold | 338 |
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 | 2,780 | — |
| May 27, 2026 | 1,930 | — |
| May 26, 2026 | 1,310 | — |
| May 25, 2026 | 945 | — |
| May 24, 2026 | 571 | — |
| May 23, 2026 | 784 | — |
| May 22, 2026 | 980 | — |
| May 21, 2026 | 1,100 | — |
| May 20, 2026 | 1,110 | — |
| May 19, 2026 | 1,280 | — |
| May 18, 2026 | 1,520 | — |
| May 17, 2026 | 1,240 | — |
| May 16, 2026 | 870 | — |
| May 15, 2026 | 1,980 | — |
| Apr 20, 2026 | 889 | — |
| Apr 19, 2026 | 912 | — |
| Apr 18, 2026 | 981 | — |
| Apr 17, 2026 | 1,200 | — |
| Apr 16, 2026 | 1,340 | — |
| Apr 15, 2026 | 1,390 | — |
| Apr 14, 2026 | 1,470 | — |
| Apr 13, 2026 | 1,420 | — |
| Apr 12, 2026 | 1,180 | — |
| Apr 11, 2026 | 982 | — |
| Apr 10, 2026 | 958 | — |
| Apr 9, 2026 | 923 | — |
| Apr 8, 2026 | 886 | — |
| Apr 7, 2026 | 861 | — |
| Apr 6, 2026 | 923 | — |
| Apr 5, 2026 | 959 | — |
Station Information
- USGS Site No
- 06082200
- State
- MT
- County
- Teton County
- Coordinates
- 47.5471, -112.3674
- Drainage Area
- 814 mi²
- Datum (ft)
- 3,960.2
- HUC Code
- 10030104
Recent Extremes
- Max discharge
-
2,780 cfsMay 28, 2026
- Min discharge
-
59 cfsSep 11, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Sun River below Diversion Dam near Augusta MountVery High15.9 mi · 3,420 cfs
-
Sun River at Simms MountVery High20.6 mi · 3,140 cfs
-
North Fork Sun River Near Augusta MountVery High23.8 mi · 1,780 cfs
-
South Fork Sun River Near Augusta MountVery High23.9 mi · 2,350 cfs
-
Teton River below South Fork near Choteau MountVery High25.8 mi · 417 cfs