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DESCRIPTION:

Latitude 31°50'20",   Longitude 111°24'13"   NAD27

Pima County, Arizona, Hydrologic Unit 15050304

Drainage area: 463 square miles

Contributing drainage area: 463 square miles,

Datum of gage: 2,975.15 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1992-05-28	2017-08-17
Daily Data
Discharge, cubic feet per second	1966-01-11	2017-08-16	12783
Daily Statistics
Discharge, cubic feet per second	1966-01-11	2017-03-29	12643
Monthly Statistics
Discharge, cubic feet per second	1966-01	2017-03
Annual Statistics
Discharge, cubic feet per second	1966	2017
Peak streamflow	1966-08-10	2015-07-01	38
Field measurements	1992-02-28	2017-08-04	87
Water-Year Summary	2006	2016	11
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	1992-05-28	2006-09-30	405026

OPERATION:

Record for this site is maintained by the USGS Arizona Water Science Center

Email questions about this site to Arizona Water Science Center Water-Data Inquiries