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Streamflow Measurements for the Nation


USGS 10263780 BIG ROCK C WASH A AVE T NR LLANO CA
Los Angeles County, California
Hydrologic Unit Code 18090206
Latitude  34°32'33", Longitude 117°50'52" NAD27
Drainage area 54.2  square miles
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
51992-05-15 12:40PDTYesJCB/JLOUSGS42.4 Unspecified NONE
41992-03-12 08:25PSTYesJAUSGS10.4 Fair NONE
31992-02-11 15:50PSTYesJAUSGS91.1 Poor NONE
21991-03-05 10:30PSTYesJAUSGS7.12 FairClearNONE
11991-03-02 12:20PSTYesJAUSGS0.04 GoodClearNONE