USGS Water-Year Summary 2024
12166495 NORTH FORK STILLAGUAMISH AT OSO, WA
LOCATION - Lat 48°15'59.94", long 121°55'43.95" referenced to North American Datum of 1983, in sec.17, T.32 N., R.7 E., Snohomish County, WA, Hydrologic Unit 17110008, on left bank 0.2 mi upstream from Deer Creek, 12 mi northeast of Arlington and 14 mi west of Darrington.
DRAINAGE AREA - 172 mi²
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 7, 2014 to October 5, 2015.
GAGE - Water-stage recorder. Datum of gage is NAVD 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 182.89 ft Jan. 5, 2015; minimum gage height, 174.10 ft Aug. 25-28, 2015.