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Water-Year Summary for Site 09382000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 36°52'20", long 111°35'38" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.13, T.40 N., R.7 E., Coconino County, AZ, Hydrologic Unit 14070007, on left bank 0.6 mi northwest of Lees Ferry, and 1.1 mi upstream from mouth.
DRAINAGE AREA - 1,410 mi².
REVISIONS HISTORY - WSP 1925: 1958(M), drainage area. WDR AZ-03-1: 2001 (M). Based on analysis of data collected at a later date the following peaks have been revised: Date=10/6/2006, Old Peak (cfs)=5,230, Revised Peak (cfs)=3,690, Gage Height=10.63; Date=10/15/2006, Old Peak (cfs)=5,330, Revised Peak (cfs)=3,760, Gage Height=10.68; Date=8/2/2007, Old Peak (cfs)=3,590, Revised Peak (cfs)=2,870, Gage Height=9.68; Date=8/28/2007, Old Peak (cfs)=2,500, Revised Peak (cfs)=2,260, Gage Height=8.90; Date=08/8/2010, Old Peak (cfs)=5,620, Revised Peak (cfs)=3,830, Gage Height=10.83; Date=10/06/2010, Old Peak (cfs)=3,640, Revised Peak (cfs)=2,880, Gage Height=9.71
PERIOD OF RECORD - Oct. 1923 to current year.
GAGE - Water-stage recorder. Datum of gage is 3,123.68 ft above sea level. Prior to Oct. 5, 1925, nonrecording gage at site 2,000 ft upstream at different datum. Oct. 13,1925, to Sept. 11, 1929, nonrecording gage at present site and datum.
REMARKS - Records fair. Diversions above station for irrigation of about 3,300 acres, mostly in southern Utah.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 16,100 ft³/s Oct. 5, 1925, gage height, 16.3 ft, from floodmark, from rating curve extended above 2,000 ft³/s on basis of float-area measurement of peak flow; maximum gage height, 16.65 ft Sept. 9, 1980; minimum daily discharge, 1 ft³/s in most years prior to 1931.