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DESCRIPTION:

Latitude 33°18'40",   Longitude 117°20'47"   NAD27

San Diego County, California, Hydrologic Unit 18070302

Drainage area: 723 square miles

Datum of gage: 70.40 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1988-10-01	2026-01-21
Daily Data
Temperature, water, degrees Celsius	1969-02-22	1978-06-27	51
Discharge, cubic feet per second	1923-03-01	2026-01-20	35172
Suspended sediment concentration, milligrams per liter	1968-10-01	1978-09-29	2552
Suspended sediment discharge, short tons per day	1968-10-01	1978-09-29	2187
Daily Statistics
Discharge, cubic feet per second	1923-03-01	2025-12-15	35136
Suspended sediment concentration, milligrams per liter	1968-10-01	1978-09-29	2552
Suspended sediment discharge, short tons per day	1968-10-01	1978-09-29	2187
Monthly Statistics
Discharge, cubic feet per second	1923-03	2025-12
Suspended sediment concentration, milligrams per liter	1968-10	1978-09
Suspended sediment discharge, short tons per day	1968-10	1978-09
Annual Statistics
Discharge, cubic feet per second	1923	2026
Suspended sediment concentration, milligrams per liter	1969	1978
Suspended sediment discharge, short tons per day	1969	1978
Peak streamflow	1923-03-05	2025-02-14	100
Field measurements	1982-01-21	2025-12-26	579
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1967-11-27	1982-03-18	38
Water-Year Summary	2005	2024	20
Revisions	Loading...

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