Sultan River Below Powerplant Near Sultan, WA

USGS Site No: 12138160 • Sultan River • Snohomish County, WA

Sultan River Below Powerplant Near Sultan, WA on the Sultan River is currently at 318 cfs (Low — 18th percentile for this date) . Gage height: 5.04 ft.

Reading from

↑ Upstream on Sultan River
Sultan River Below Diversion Dam Near Sultan, WA
318
CFS Discharge
5.04
Gage Height (ft)
Low
Flow Condition
N/A
Flood Status

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 290
25th Low threshold 346 Today: 318 cfs
50th (Median) Normal (median) 608
75th High threshold 1,210
95th Very High threshold 1,680

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.

2.1k 1.1k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 315 5.03
May 27, 2026 325 5.06
May 26, 2026 396 5.25
May 25, 2026 462 5.43
May 24, 2026 464 5.43
May 23, 2026 464 5.43
May 22, 2026 468 5.44
May 21, 2026 427 5.33
May 20, 2026 410 5.29
May 19, 2026 534 5.60
May 18, 2026 774 6.07
May 17, 2026 957 6.39
May 16, 2026 1,320 6.83
May 15, 2026 644 5.83
Apr 20, 2026 441 5.37
Apr 19, 2026 521 5.56
Apr 18, 2026 632 5.81
Apr 17, 2026 645 5.84
Apr 16, 2026 665 5.88
Apr 15, 2026 746 6.03
Apr 14, 2026 628 5.80
Apr 13, 2026 530 5.57
Apr 12, 2026 334 5.08
Apr 11, 2026 326 5.06
Apr 10, 2026 338 5.09
Apr 9, 2026 342 5.10
Apr 8, 2026 337 5.09
Apr 7, 2026 341 5.10
Apr 6, 2026 350 5.12
Apr 5, 2026 373 5.19

Station Information

USGS Site No
12138160
State
WA
County
Snohomish County
Coordinates
47.9073, -121.8154
Drainage Area
94 mi²
Datum (ft)
267.0
HUC Code
17110009
View on USGS NWIS →

Recent Extremes

Max discharge
8,150 cfs
Dec 11, 2025
Min discharge
309 cfs
Jul 21, 2025

Computed from the local daily-values archive.

Nearby Gauges

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