Boise River near Twin Springs ID
USGS Site No: 13185000 • Boise River • Boise County, ID
Boise River near Twin Springs ID on the Boise River is currently at 2,800 cfs (Normal — 39th percentile for this date) . Gage height: 8.55 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 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 | 1,560 | |
| 25th | Low threshold | 2,240 | |
| 50th (Median) | Normal (median) | 3,260 | Today: 2,800 cfs |
| 75th | High threshold | 4,490 | |
| 95th | Very High threshold | 7,120 |
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 | 3,160 | — |
| May 27, 2026 | 3,270 | — |
| May 26, 2026 | 2,760 | — |
| May 25, 2026 | 2,430 | — |
| May 24, 2026 | 2,140 | — |
| May 23, 2026 | 1,970 | — |
| May 22, 2026 | 1,900 | — |
| May 21, 2026 | 1,900 | — |
| May 20, 2026 | 1,960 | — |
| May 19, 2026 | 2,090 | — |
| May 18, 2026 | 2,300 | — |
| May 17, 2026 | 2,630 | — |
| May 16, 2026 | 3,020 | — |
| May 15, 2026 | 3,460 | — |
| Apr 20, 2026 | 2,230 | — |
| Apr 19, 2026 | 2,220 | — |
| Apr 18, 2026 | 2,350 | — |
| Apr 17, 2026 | 2,550 | — |
| Apr 16, 2026 | 2,800 | — |
| Apr 15, 2026 | 2,470 | — |
| Apr 14, 2026 | 2,400 | — |
| Apr 13, 2026 | 2,550 | — |
| Apr 12, 2026 | 2,490 | — |
| Apr 11, 2026 | 2,270 | — |
| Apr 10, 2026 | 1,990 | — |
| Apr 9, 2026 | 1,940 | — |
| Apr 8, 2026 | 1,940 | — |
| Apr 7, 2026 | 1,900 | — |
| Apr 6, 2026 | 1,880 | — |
| Apr 5, 2026 | 1,920 | — |
Station Information
- USGS Site No
- 13185000
- State
- ID
- County
- Boise County
- Coordinates
- 43.6681, -115.7253
- Drainage Area
- 832 mi²
- Datum (ft)
- 3,275.0
- HUC Code
- 17050112
Recent Extremes
- Max discharge
-
5,950 cfsMay 11, 2025
- Min discharge
-
264 cfsAug 24, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Sf Boise River at Neal Bridge near Arrowrock Dam IDLow8.1 mi · 500 cfs
-
Mores Creek above Robie Creek near Arrowrock Dam IDLow13.3 mi · 201 cfs
-
Sf Boise River near Featherville IDNormal24.0 mi · 1,740 cfs
-
Sf Boise River at Anderson Ranch Dam IDNormal25.6 mi · 1,980 cfs
-
Boise River at Glenwood Bridge near Boise IDNormal27.7 mi · 1,970 cfs