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USGS 09413700 VIRGIN R ABV THE NARROWS NR LITTLEFIELD, AZ

 

PROVISIONAL DATA SUBJECT TO REVISION
 
 
  STATION.--09413700 VIRGIN RIVER ABOVE THE NARROWS NEAR LITTLEFIELD, AZ
LOCATION.--Lat 36°55'16", long 113°49'52", in NE 1/4 SE 1/4 sec. 29, T.41 N., R.14 W., Mohave County, Hydrologic Unit 15010010, on right bank, 50 ft east of edge of roadway of I-15, 225 ft south of mile marker 15, 6.8 mi upstream from Littlefield, and 43 mi upstream from Lake Mead.
DRAINAGE AREA.--4,415 mi2, approximately.
PERIOD OF RECORD.--June 1998 to current year.
GAGE.--Water-stage recorder. Elevation of gage is 2,000 ft above NGVD of 1929, from topographic map.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of January 1, 1989, 61,000 ft3/s, on basis of slope-area measurement of peak flow at site about 0.1 mi downstream, due to failure of Quail Creek Dam.
FLOOD FORECAST.--NOAA, National Weather Service river forecast station accessed on September 11, 2003, at URL http://www.cbrfc.noaa.gov/river/station/flowplot/flowplot.cgi?VNLA3
 
 

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Gage height, feet
Most recent value: 7.72   11-19-2004  08:00
Graph of Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 01

Discharge, cubic feet per second
Most recent value: 97   11-19-2004  08:00
Graph of Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 02
Daily mean flow statistics for 11/19 based on 5 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
97  66 101 203 66.4 83.0 180

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.
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Retrieved on 2004-11-19 12:36:00 EST
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