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Water-Year Summary for Site 09471550

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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 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 31°45'05.2", long 110°12'04.8" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 NE 1/4 sec.28, T.19 S., R.21 E., Cochise County, AZ, Hydrologic Unit 15050202, in Spanish land grant of San Juan de las Boquillas y Nogales, on right bank 0.5 mi downstream from Willow Wash, 2.6 mi north of Fairbank, and 8 mi northwest of Tombstone.
DRAINAGE AREA - 1,740 mi². 696 mi² of which is in Mexico.
PERIOD OF RECORD - Apr. 1967 to Sept. 1986, Oct. 1996 to current year.
GAGE - Water-stage recorder. Datum of gage is 3,787.17 ft above NAVD of 1988. Prior to Sept. 21, 2022, the elevation of gage was reported as 3,780 ft above sea level, from topographic map.
REMARKS - Records good except for discharge above 1500 ft³/s, which are fair. Estimated discharge are poor. Diversions above station, mostly by pumping from ground water.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 24,200 ft³/s Oct. 9, 1977, gage height, 11.40 ft, from rating curve extended above 4,900 ft³/s on basis of slope-area measurements at gage heights 8.89 ft and 11.40 ft; no flow at times during most summers.