Sultan River Below Diversion Dam Near Sultan, WA
USGS Site No: 12137800 • Sultan River • Snohomish County, WA
Sultan River Below Diversion Dam Near Sultan, WA on the Sultan River is currently at 155 cfs (Normal — 25th percentile for this date) . Gage height: 26.01 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 | 144 | |
| 25th | Low threshold | 155 | Today: 155 cfs |
| 50th (Median) | Normal (median) | 184 | |
| 75th | High threshold | 198 | |
| 95th | Very High threshold | 285 |
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 | 149 | 25.98 |
| May 27, 2026 | 151 | 25.99 |
| May 26, 2026 | 150 | 25.98 |
| May 25, 2026 | 148 | 25.97 |
| May 24, 2026 | 147 | 25.97 |
| May 23, 2026 | 147 | 25.97 |
| May 22, 2026 | 147 | 25.97 |
| May 21, 2026 | 148 | 25.98 |
| May 20, 2026 | 147 | 25.97 |
| May 19, 2026 | 148 | 25.97 |
| May 18, 2026 | 164 | 26.06 |
| May 17, 2026 | 205 | 26.26 |
| May 16, 2026 | 582 | 27.35 |
| May 15, 2026 | 200 | 26.23 |
| Apr 20, 2026 | 148 | 25.97 |
| Apr 19, 2026 | 148 | 25.97 |
| Apr 18, 2026 | 148 | 25.97 |
| Apr 17, 2026 | 151 | 25.99 |
| Apr 16, 2026 | 162 | 26.05 |
| Apr 15, 2026 | 229 | 26.35 |
| Apr 14, 2026 | 160 | 26.03 |
| Apr 13, 2026 | 148 | 25.98 |
| Apr 12, 2026 | 148 | 25.97 |
| Apr 11, 2026 | 148 | 25.97 |
| Apr 10, 2026 | 154 | 26.01 |
| Apr 9, 2026 | 158 | 26.03 |
| Apr 8, 2026 | 148 | 25.97 |
| Apr 7, 2026 | 148 | 25.97 |
| Apr 6, 2026 | 148 | 25.97 |
| Apr 5, 2026 | 148 | 25.97 |
Station Information
- USGS Site No
- 12137800
- State
- WA
- County
- Snohomish County
- Coordinates
- 47.9593, -121.7973
- Drainage Area
- 77 mi²
- Datum (ft)
- 602.4
- HUC Code
- 17110009
Recent Extremes
- Max discharge
-
6,620 cfsDec 11, 2025
- Min discharge
-
101 cfsJun 29, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Sultan River Below Powerplant Near Sultan, WALow3.7 mi · 318 cfs
-
South Fork Sultan River Near Sultan, WALow7.9 mi · 61 cfs
-
Wallace River at Gold Bar, WALow8.5 mi · 82 cfs
-
Skykomish River Near Gold Bar, WAVery Low10.4 mi · 3,180 cfs
-
Nf Tolt River Above Yellow Creek near Carnation, WALow16.7 mi · 117 cfs