Beaverhead River at Dillon Mount
USGS Site No: 06017000 • Beaverhead River • Beaverhead County, MT
Beaverhead River at Dillon Mount on the Beaverhead River is currently at 148 cfs (Normal — 33th percentile for this date) . Gage height: 3.48 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 | 119 | |
| 25th | Low threshold | 138 | |
| 50th (Median) | Normal (median) | 171 | Today: 148 cfs |
| 75th | High threshold | 355 | |
| 95th | Very High threshold | 593 |
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 | 143 | — |
| May 27, 2026 | 147 | — |
| May 26, 2026 | 128 | — |
| May 25, 2026 | 117 | — |
| May 24, 2026 | 117 | — |
| May 23, 2026 | 118 | — |
| May 22, 2026 | 134 | — |
| May 21, 2026 | 136 | — |
| May 20, 2026 | 137 | — |
| May 19, 2026 | 157 | — |
| May 18, 2026 | 159 | — |
| May 17, 2026 | 155 | — |
| May 16, 2026 | 129 | — |
| May 15, 2026 | 124 | — |
| Apr 20, 2026 | 47 | — |
| Apr 19, 2026 | 51 | — |
| Apr 18, 2026 | 49 | — |
| Apr 17, 2026 | 57 | — |
| Apr 16, 2026 | 51 | — |
| Apr 15, 2026 | 67 | — |
| Apr 14, 2026 | 63 | — |
| Apr 13, 2026 | 62 | — |
| Apr 12, 2026 | 63 | — |
| Apr 11, 2026 | 58 | — |
| Apr 10, 2026 | 59 | — |
| Apr 9, 2026 | 61 | — |
| Apr 8, 2026 | 70 | — |
| Apr 7, 2026 | 75 | — |
| Apr 6, 2026 | 89 | — |
| Apr 5, 2026 | 96 | — |
Station Information
- USGS Site No
- 06017000
- State
- MT
- County
- Beaverhead County
- Coordinates
- 45.2184, -112.6553
- Drainage Area
- 2,892 mi²
- Datum (ft)
- 5,100.0
- HUC Code
- 10020002
Recent Extremes
- Max discharge
-
197 cfsAug 4, 2025
- Min discharge
-
47 cfsApr 20, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Beaverhead River at Barretts MountHigh8.5 mi · 600 cfs
-
Beaverhead River Near Twin Bridges MountVery Low15.1 mi · 90 cfs
-
Big Hole River Near Glen MountVery High16.1 mi · 2,520 cfs
-
Big Hole River Near Melrose MountVery High21.4 mi · 2,620 cfs
-
Ruby River Above Reservoir Near Alder, MountVery High25.0 mi · 210 cfs