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DESCRIPTION:

Latitude 37°34'00",   Longitude 122°00'02"   NAD27

Alameda County, California, Hydrologic Unit 18050004

Drainage area: 638 square miles

Datum of gage: 48 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2012-12-06	2017-06-25
Daily Data
Discharge, cubic feet per second	2012-12-04	2017-06-24	1660
Daily Statistics
Discharge, cubic feet per second	2012-12-04	2016-10-18	1415
Monthly Statistics
Discharge, cubic feet per second	2012-12	2016-10
Annual Statistics
Discharge, cubic feet per second	2013	2017
Peak streamflow	2012-12-24	2016-01-19	4
Field measurements	2012-11-19	2017-06-16	107
Field/Lab water-quality samples	2017-04-04	2017-05-09	13
Water-Year Summary	2013	2016	4

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