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DESCRIPTION:

Latitude 47°49'52",   Longitude 122°02'50"   NAD27

Snohomish County, Washington, Hydrologic Unit 17110011

Drainage area: 1,537 square miles

Datum of gage: 17.05 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-10-01	2025-09-27
Daily Data
Discharge, cubic feet per second	1963-02-01	2025-09-26	22884
Gage height, feet	1997-10-01	2025-09-26	10081
Daily Statistics
Discharge, cubic feet per second	1963-02-01	2025-04-30	22735
Gage height, feet	1997-10-01	2025-04-30	9936
Monthly Statistics
Discharge, cubic feet per second	1963-02	2025-04
Gage height, feet	1997-10	2025-04
Annual Statistics
Discharge, cubic feet per second	1963	2025
Gage height, feet	1998	2025
Peak streamflow	1964-01-01	2023-12-06	61
Field measurements	1964-11-30	2025-08-26	260
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1974-12-21	1986-08-06	216
Water-Year Summary	2006	2024	19
Revisions	Loading...

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