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Water-Year Summary for Site USGS 11532500

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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
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2020
11532500 Smith River near Crescent City, CA
LOCATION - Lat 41°47'30", long 124°04'30" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.09, T.16 N., R.1 E., Del Norte County, CA, Hydrologic Unit 18010101, in Humboldt meridian, in Redwood National Park, on right bank, opposite mouth of Cedar Creek, 1.6 mi downstream from South Fork, and 7 mi east of Crescent City.
DRAINAGE AREA - 614 mi².
REVISIONS HISTORY - WSP 1929: Drainage area.
PERIOD OF RECORD - October 1931 to current year. Monthly discharge only for some periods, published in WSP 1315-B.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 79.26 ft above NGVD of 1929. Prior to Oct. 9, 1991, at site 1.1 mi upstream at datum 10.35 ft higher.
REMARKS - No regulation or diversion upstream from station.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Nov. 30, 1926, reached a stage of 41.40 ft, at datum 10.35 ft higher, from floodmarks, discharge, 166,000 ft³/s, from rating extension above 39.51 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 228,000 ft³/s, Dec. 22, 1964, gage height, 48.5 ft, from floodmarks, from rating curve extended above 110,000 ft³/s, on basis of slope-area measurement at gage height 39.51 ft, former site and datum; minimum daily, 160 ft³/s, Oct. 24, 25, 1964.

CHEMICAL DATA: Water years 1952-93.
BIOLOGICAL DATA: Water years 1978-81.
SEDIMENT DATA: Water years 1955-56, November 1977 to September 1993.

SPECIFIC CONDUCTANCE: Water years 1979-81. 
WATER TEMPERATURE: Water years 1966-81. 
SEDIMENT DATA: Water years November 1977 to September 1979, October 1980 to September 1981.