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Water-Year Summary for Site 12115500

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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.
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Available Parameters
00010 Temperature, water(Max.,Mean,Min.)  
00020 Temperature, air(Max.,Mean,Min.)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
12115500 REX RIVER NEAR CEDAR FALLS, WA
LOCATION - Lat 47°21'03", long 121°39'43" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.33, T.22 N., R.9 E., King County, WA, Hydrologic Unit 17110012, Snoqualmie National Forest, on right bank 3.0 mi upstream from mouth and Chester Morse Lake, and 7.5 mi southeast of town of Cedar Falls.
DRAINAGE AREA - 13.4 mi².
REVISIONS HISTORY - WSP 1286: 1946, 1948(P), 1949(M), 1950(P), 1952(M). WSP 1446: 1946(M), 1951, 1953-55(M). WSP 1932: Drainage area. WDR WA-74-1: 1973.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1945 to current year.
GAGE - Water-stage recorder. Elevation of gage is 1,700 ft above NGVD of 1929, from topographic map. Prior to Oct. 1, 2000, published at datum 1,600 ft above NGVD of 1929.
REMARKS - No regulation or diversion upstream from station. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,200 ft³/s, Nov. 22, 1959, gage height, 8.20 ft, from rating curve extended above 1,600 ft³/s, on basis of contracted-opening measurement at gage height 7.19 ft and slope-area measurement at gage height 8.20 ft; maximum gage height, 9.31 ft, Nov. 19, 1962, backwater from debris; minimum discharge, 3.0 ft³/s, Sept. 6-8, 1986, gage height, 3.23 ft.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: September 2018 to current year.
REMARKS - Additional details are available from the Washington Water Science Center. Continuous water quality record is no longer rated, as of water year 2021. Prior ratings can be obtained via request to the Washington Water Science Center.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 18.6°C, June 29, 2021; minimum, -0.1°C, Feb. 10, 2019