Salmon River at Somes Bar CA
USGS Site No: 11522500 • Salmon River • Siskiyou County, CA
Salmon River at Somes Bar CA on the Salmon River is currently at 678 cfs (High — 81th percentile for this date) . Gage height: 2.52 ft. This station is at or above flood stage.
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 | 148 | |
| 25th | Low threshold | 188 | |
| 50th (Median) | Normal (median) | 240 | |
| 75th | High threshold | 428 | |
| 95th | Very High threshold | 1,230 | Today: 678 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 | 724 | — |
| May 27, 2026 | 663 | — |
| May 26, 2026 | 624 | — |
| May 25, 2026 | 648 | — |
| May 24, 2026 | 672 | — |
| May 23, 2026 | 689 | — |
| May 22, 2026 | 654 | — |
| May 21, 2026 | 650 | — |
| May 20, 2026 | 655 | — |
| May 19, 2026 | 668 | — |
| May 18, 2026 | 686 | — |
| May 17, 2026 | 705 | — |
| May 16, 2026 | 721 | — |
| May 15, 2026 | 746 | — |
| Apr 20, 2026 | 1,410 | — |
| Apr 19, 2026 | 1,430 | — |
| Apr 18, 2026 | 1,510 | — |
| Apr 17, 2026 | 1,630 | — |
| Apr 16, 2026 | 1,870 | — |
| Apr 15, 2026 | 1,780 | — |
| Apr 14, 2026 | 1,820 | — |
| Apr 13, 2026 | 1,960 | — |
| Apr 12, 2026 | 2,180 | — |
| Apr 11, 2026 | 1,770 | — |
| Apr 10, 2026 | 1,550 | — |
| Apr 9, 2026 | 1,310 | — |
| Apr 8, 2026 | 1,160 | — |
| Apr 7, 2026 | 1,230 | — |
| Apr 6, 2026 | 1,290 | — |
| Apr 5, 2026 | 1,310 | — |
Station Information
- USGS Site No
- 11522500
- State
- CA
- County
- Siskiyou County
- Coordinates
- 41.3765, -123.4770
- Drainage Area
- 751 mi²
- Datum (ft)
- 486.3
- HUC Code
- 18010210
Flood Stage Thresholds
- Action Stage
- 20.0 ft
Recent Extremes
- Max discharge
-
15,900 cfsDec 21, 2025
- Min discharge
-
206 cfsSep 6, 2025
Computed from the local daily-values archive.
Nearby Gauges
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Klamath River at OrleansHigh5.9 mi · 3,720 cfs
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Trinity River at Hoopa CAHigh24.8 mi · 2,200 cfs
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Klamath River near Klamath CAHigh27.6 mi · 6,360 cfs
-
Scott River near Fort Jones CAHigh30.1 mi · 207 cfs
-
Redwood C at Orick CAHigh30.3 mi · 194 cfs