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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
12131500 SOUTH FORK SKYKOMISH RIVER AT SKYKOMISH, WA
LOCATION - Lat 47°42'39.75", long 121°21'38.64" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.26, T.26 N., R.11 E., King County, WA, Hydrologic Unit 17110009, on right bank at Skykomish, WA.
DRAINAGE AREA - 243 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2016 to current year.
GAGE - Water-stage recorder and crest-stage gages. Datum of gage is 900 ft above NAVD of 1988 (USGS survey to WSDOT benchmark, Aug. 5, 2016).
REMARKS - No regulation. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 20,400 ft³/s, Feb. 1, 2020, gage height, 26.19 ft; minimum daily discharge, 119 ft³/s, Sept. 17-18, 2023.
WATER-QUALITY RECORDS
PERIOD OF RECORD - TURBIDITY: October 2022 to current year.
INSTRUMENTATION - An Analite NEP5000 turbidity sensor interfaced with a Data Collection Platform/Electronic Datalogger, with 15-min recording interval. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.
REMARKS - U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - TURBIDITY: Maximum, 216 FNU, Nov. 4, 2022; minimum, 0.0 FNU, many days.
