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DESCRIPTION:

Latitude 47°50'15",   Longitude 121°39'56"   NAD27

Snohomish County, Washington, Hydrologic Unit 17110009

Drainage area: 535 square miles

Datum of gage: 213.02 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-01	2022-01-26
Daily Data
Discharge, cubic feet per second	1928-10-01	2022-01-25	34085
Gage height, feet	1985-06-04	2022-01-25	12870
Daily Statistics
Discharge, cubic feet per second	1928-10-01	2021-08-30	33937
Gage height, feet	1985-06-04	2021-08-30	12722
Monthly Statistics
Discharge, cubic feet per second	1928-10	2021-08
Gage height, feet	1985-06	2021-08
Annual Statistics
Discharge, cubic feet per second	1929	2021
Gage height, feet	1985	2021
Peak streamflow	1928-10-09	2020-02-01	92
Field measurements	1932-02-27	2021-11-30	254
Field/Lab water-quality samples	1947-08-25	1980-06-09	84
Water-Year Summary	2006	2020	15
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