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USGS 10327500 HUMBOLDT R AT COMUS, NV

 

PROVISIONAL DATA SUBJECT TO REVISION

 
 
  STATION.--10327500 HUMBOLDT RIVER AT COMUS, NV
LOCATION.--Lat 40°59'32", long 117°19'00", in NW 1/4 NE 1/4 sec.30, T.36 N., R.41 E., Humboldt County, Hydrologic Unit 16040105, on left bank, at Comus siding of Southern Pacific Railroad, 9.0 mi northeast of Golconda, 1.0 mi upstream of Kelly Creek, 32 mi northwest of Battle Mountain, and at mi 191.48 above Derby Road bridge.
DRAINAGE AREA.--12,217 mi2, at current location at Comus railroad siding.
PERIOD OF RECORD.--October 1894 to December 1909, September 1910 to September 1926, October 1945 to current year. Published as "near Golconda" prior to October 1917.
REVISED RECORDS.--WSP 1514: 1921-22, 1926. WSP 1314: 1904, 1907-8, 1911-13, 1916-17; WDR NV-99-1: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 4,350 ft, above NGVD of 1929, from topographic map. Prior to September 25, 1917, nonrecording gages at several sites in vicinity of present location at different datums. September 25, 1917, to June 30, 1923, and May 23, 1925, to May 31, 1926, nonrecording gages at several sites within 7.0 mi of present site at different datum, October 1, 1945 to December 11, 1997 at site 6.5 mi upstream at different datum. December 12, 1997 to March 2, 2000, at site 6.5 mi downstream at Preble bridge. March 7, 2000 gage moved back to upstream site at Comus railroad siding.
REMARKS.--Many diversions above station for irrigation, 206,000 acres, additional acreage not covered by decree. Flows significantly influenced by discharge into river from mine de-watering approximately 15.5 mi upstream.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 9,900 ft3/s, April 24, 1984, gage height, 12.25 ft; no flow at times some years.

DURING WINTER MONTHS, STAGE AND DISCHARGE MAY BE AFFECTED BY ICE IN THE CHANNEL.

 
 

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Discharge, cubic feet per second
Most recent value: 111   11-19-2004  17:00
Graph of  Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 01
Daily mean flow statistics for 11/19 based on 90 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
111  .10 67.0 388 1.04 38.0 107

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.


Gage height, feet
Most recent value: 3.17   11-19-2004  17:00
Graph of  Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 02

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Retrieved on 2004-11-19 21:04:21 EST
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