Nf Stillaguamish River near Arlington, WA
Snohomish County, Washington · USGS 12167000
Latest observation
What this gauge represents: This gauge measures conditions on Nf Stillaguamish River at its USGS monitoring location in Snohomish County; conditions elsewhere on the waterway may differ.
Observed · 39 minutes ago
Observed
How to read these numbers
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
Get Water Data's plain-language summary of current flow, historical context and recent direction.
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
Below historical median · Rising
Streamflow is currently 264 ft³/s, 35% below the historical median for this date. Flow has risen 46 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 405 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Streamflow trend
Daily mean streamflow · Aug 28–Sep 25 · dates shown in UTC · 29 observations
Look at the data (29 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 189 CFS |
| Aug 29, 2026, 12:00 AM | 203 CFS |
| Aug 30, 2026, 12:00 AM | 209 CFS |
| Aug 31, 2026, 12:00 AM | 197 CFS |
| Sep 1, 2026, 12:00 AM | 188 CFS |
| Sep 2, 2026, 12:00 AM | 186 CFS |
| Sep 3, 2026, 12:00 AM | 196 CFS |
| Sep 4, 2026, 12:00 AM | 208 CFS |
| Sep 5, 2026, 12:00 AM | 211 CFS |
| Sep 6, 2026, 12:00 AM | 208 CFS |
| Sep 7, 2026, 12:00 AM | 199 CFS |
| Sep 8, 2026, 12:00 AM | 190 CFS |
| Sep 9, 2026, 12:00 AM | 184 CFS |
| Sep 10, 2026, 12:00 AM | 180 CFS |
| Sep 11, 2026, 12:00 AM | 177 CFS |
| Sep 12, 2026, 12:00 AM | 177 CFS |
| Sep 13, 2026, 12:00 AM | 196 CFS |
| Sep 14, 2026, 12:00 AM | 230 CFS |
| Sep 15, 2026, 12:00 AM | 221 CFS |
| Sep 16, 2026, 12:00 AM | 199 CFS |
| Sep 17, 2026, 12:00 AM | 187 CFS |
| Sep 18, 2026, 12:00 AM | 180 CFS |
| Sep 19, 2026, 12:00 AM | 177 CFS |
| Sep 20, 2026, 12:00 AM | 174 CFS |
| Sep 21, 2026, 12:00 AM | 172 CFS |
| Sep 22, 2026, 12:00 AM | 171 CFS |
| Sep 23, 2026, 12:00 AM | 168 CFS |
| Sep 24, 2026, 12:00 AM | 168 CFS |
| Sep 25, 2026, 12:00 AM | 195 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
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