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DESCRIPTION:

Latitude 41°03'00",   Longitude 123°40'21"   NAD27

Humboldt County, California, Hydrologic Unit 18010211

Drainage area: 2,853 square miles

Datum of gage: 274.82 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1988-10-01	2024-11-23
Daily Data
Temperature, water, degrees Celsius	1964-02-28	2024-11-23	33581
Temperature, water, degrees Celsius	1959-10-02	1977-08-31	1696
Discharge, cubic feet per second	1911-10-01	2024-11-22	35481
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-06-28	2002-10-28	222
Dissolved oxygen, water, unfiltered, milligrams per liter	2002-06-28	2002-10-28	196
pH, water, unfiltered, field, standard units	2002-06-28	2002-10-28	222
Suspended sediment concentration, milligrams per liter	1959-10-02	1979-09-29	6418
Suspended sediment discharge, short tons per day	1959-10-01	1979-09-29	7281
Daily Statistics
Temperature, water, degrees Celsius	2016-10-01	2024-03-18	2708
Discharge, cubic feet per second	1911-10-01	2024-10-28	35456
Suspended sediment concentration, milligrams per liter	1959-10-02	1979-09-29	6418
Suspended sediment discharge, short tons per day	1959-10-01	1979-09-29	7281
Monthly Statistics
Temperature, water, degrees Celsius	2016-10	2024-03
Discharge, cubic feet per second	1911-10	2024-10
Suspended sediment concentration, milligrams per liter	1959-10	1979-09
Suspended sediment discharge, short tons per day	1959-10	1979-09
Annual Statistics
Temperature, water, degrees Celsius	2017	2024
Discharge, cubic feet per second	1912	2025
Suspended sediment concentration, milligrams per liter	1960	1979
Suspended sediment discharge, short tons per day	1960	1979
Peak streamflow	1912-01-25	2024-01-14	98
Field measurements	1936-02-23	2024-10-29	407
Field/Lab water-quality samples	1907-01-05	2017-09-20	599
Water-Year Summary	2005	2024	20
Revisions	Loading...

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