Nf Stillaguamish River Near Arlington, WA
USGS Site No: 12167000 • Nf Stillaguamish River • Snohomish County, WA
Nf Stillaguamish River Near Arlington, WA on the Nf Stillaguamish River is currently at 554 cfs (Very Low — 8th percentile for this date) . Gage height: 2.47 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 | 692 | Today: 554 cfs |
| 25th | Low threshold | 1,030 | |
| 50th (Median) | Normal (median) | 1,530 | |
| 75th | High threshold | 2,170 | |
| 95th | Very High threshold | 4,080 |
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 | 554 | 2.47 |
| May 27, 2026 | 577 | 2.50 |
| May 26, 2026 | 621 | 2.57 |
| May 25, 2026 | 608 | 2.55 |
| May 24, 2026 | 651 | 2.61 |
| May 23, 2026 | 705 | 2.68 |
| May 22, 2026 | 771 | 2.77 |
| May 21, 2026 | 853 | 2.86 |
| May 20, 2026 | 976 | 3.00 |
| May 19, 2026 | 1,140 | 3.16 |
| May 18, 2026 | 1,400 | 3.40 |
| May 17, 2026 | 1,980 | 3.83 |
| May 16, 2026 | 3,290 | 4.53 |
| May 15, 2026 | 2,430 | 4.11 |
| Apr 20, 2026 | 1,050 | 3.08 |
| Apr 19, 2026 | 998 | 3.03 |
| Apr 18, 2026 | 1,030 | 3.06 |
| Apr 17, 2026 | 1,130 | 3.16 |
| Apr 16, 2026 | 1,350 | 3.36 |
| Apr 15, 2026 | 2,040 | 3.86 |
| Apr 14, 2026 | 1,230 | 3.24 |
| Apr 13, 2026 | 896 | 2.91 |
| Apr 12, 2026 | 859 | 2.87 |
| Apr 11, 2026 | 886 | 2.90 |
| Apr 10, 2026 | 890 | 2.91 |
| Apr 9, 2026 | 937 | 2.96 |
| Apr 8, 2026 | 1,040 | 3.07 |
| Apr 7, 2026 | 1,200 | 3.23 |
| Apr 6, 2026 | 1,190 | 3.22 |
| Apr 5, 2026 | 1,190 | 3.21 |
Station Information
- USGS Site No
- 12167000
- State
- WA
- County
- Snohomish County
- Coordinates
- 48.2615, -122.0476
- Drainage Area
- 262 mi²
- Datum (ft)
- 93.1
- HUC Code
- 17110008
Flood Stage Thresholds
- Action Stage
- 10.7 ft
- Flood Stage
- 13.0 ft
- Moderate Flood
- 14.0 ft
- Major Flood
- 15.0 ft
Currently 10.53 ft below flood stage.
Recent Extremes
- Max discharge
-
20,000 cfsDec 11, 2025
- Min discharge
-
181 cfsSep 20, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Sf Stillaguamish River Near Granite Falls, WAUnknown11.9 mi · 0 cfs
- Unknown
- Unknown
-
Stillaguamish River Near Stanwood, WAVery High13.8 mi · 1,470 cfs
-
East Fork Tulalip Creek Near Mouth near Tulalip, WALow15.7 mi · 2 cfs