Big Wood River at Hailey ID Total Flow
USGS Site No: 13139510 • Big Wood River • Blaine County, ID
Big Wood River at Hailey ID Total Flow on the Big Wood River is currently at 1,170 cfs (Very High — 125th percentile for this date) . Gage height: 3.63 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 | 129 | |
| 25th | Low threshold | 157 | |
| 50th (Median) | Normal (median) | 202 | |
| 75th | High threshold | 249 | |
| 95th | Very High threshold | 293 |
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 | 1,210 | — |
| May 27, 2026 | 1,150 | — |
| May 26, 2026 | 1,080 | — |
| May 25, 2026 | 935 | — |
| May 24, 2026 | 825 | — |
| May 23, 2026 | 767 | — |
| May 22, 2026 | 770 | — |
| May 20, 2026 | 828 | — |
| May 19, 2026 | 896 | — |
| May 18, 2026 | 996 | — |
| May 17, 2026 | 1,120 | — |
| May 16, 2026 | 1,260 | — |
| May 15, 2026 | 1,420 | — |
| Apr 20, 2026 | 528 | — |
| Apr 19, 2026 | 553 | — |
| Apr 18, 2026 | 578 | — |
| Apr 17, 2026 | 612 | — |
| Apr 16, 2026 | 694 | — |
| Apr 15, 2026 | 722 | — |
| Apr 14, 2026 | 777 | — |
| Apr 13, 2026 | 854 | — |
| Apr 12, 2026 | 912 | — |
| Apr 11, 2026 | 867 | — |
| Apr 10, 2026 | 764 | — |
| Apr 9, 2026 | 717 | — |
| Apr 8, 2026 | 686 | — |
| Apr 7, 2026 | 632 | — |
| Apr 6, 2026 | 594 | — |
| Apr 5, 2026 | 588 | — |
| Apr 4, 2026 | 606 | — |
Station Information
- USGS Site No
- 13139510
- State
- ID
- County
- Blaine County
- Coordinates
- 43.5172, -114.3217
- Drainage Area
- 614 mi²
- Datum (ft)
- 5,298.7
- HUC Code
- 17040219
Flood Stage Thresholds
- Action Stage
- 5.0 ft
- Flood Stage
- 6.0 ft
- Moderate Flood
- 7.0 ft
- Major Flood
- 8.0 ft
Currently 2.37 ft below flood stage.
Recent Extremes
- Max discharge
-
1,660 cfsMay 12, 2025
- Min discharge
-
89 cfsAug 24, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Big Wood River at South Broadford Bridge near Bellevue, IDVery High4.3 mi · 1,150 cfs
-
East Fork Big Wood River at Gimlet IDVery High5.9 mi · 134 cfs
-
Big Wood River at Gimlet, IDUnknown6.2 mi · 0 cfs
-
Big Wood River at Glendale Bridge near Bellevue IDUnknown7.0 mi · 0 cfs
-
Trail Creek at Ketchum IDVery High11.0 mi · 189 cfs