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Water-Year Summary for Site 12147470

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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.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
63680 Turbidity, Form Neph(Min.,Max.,Med.)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
12147470 NORTH FORK TOLT RIVER ABOVE YELLOW CREEK NEAR CARNATION, WA
LOCATION - Lat 47°43'11", long 121°44'35.51" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 sec.23, T.26 N., R.8 E., King County, WA, Hydrologic Unit 17110010, on left bank on upstream side of bridge, 14 mi northeast of Carnation, and 1.4 mi upstream of Yellow Creek.
DRAINAGE AREA - 33.3 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2015 to current.
GAGE - Water-stage recorder. Elevation of gage is 1,127 ft above NGVD of 1929, from river-profile map.
REMARKS - No regulation or diversion upstream from station. U.S. Geological Survey satellite telemeter at station.
  • Water Years 2016 and 2017: No estimated daily discharges. Records good except for discharges above 500 ft³/s, which are poor.
  • Water Year 2018: No estimated discharges. Records good except for discharges above 500 ft³/s, which are fair.
  • Water Year 2019: Records good except discharges above 500 ft³/s, which are fair, and estimated discharges, which are poor.
  • Water Year 2020: Records good except Oct. 3 to Sept. 30 and discharges above 500 ft³/s, which are fair, and estimated discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,570 ft³/s, Nov. 2, 2018, gage height, 16.21 ft; minimum discharge, 24.2 ft³/s, Sept. 16, 2017.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2015 to current year. TURBIDITY: December 2019 to current year.
INSTRUMENTATION - Temperature recorder with 15-minute logging interval since October 1, 2015. DTS-12 turbidity sensor with a 15-minute logging interval, since December 2019.  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 -
  • Water Year 2016: WATER TEMPERATURE records good. No record Oct. 15-19, Nov. 13 to Jan. 6.
  • Water Year 2017: WATER TEMPERATURE records excellent.
  • Water Year 2018: WATER TEMPERATURE records excellent except for June 27 to Sept. 30, which are good.
  • Water Year 2019: WATER TEMPERATURE records good. No record Nov. 1-8.
  • Water Year 2020: WATER TEMPERATURE records good. No record Feb. 27 to March 3, March 12-17 and March 29-31. TURBIDITY records fair except for Sept. 30, which is poor. No records Oct. 1 to Dec. 4, Feb. 28 to March 2, 13-16, and 30.
EXTREMES FOR PERIOD OF DAILY RECORD - Water-temperature: Maximum, 16.7°C, July 29, 2018, Aug. 5, 2019; minimum, 1.8°C, Jan. 12, 2020. Turbidity: Maximum, 194 FNU, Feb. 1, 2020; minimum, 0.0 FNU, many days each year.