USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 41°18'13",   Longitude 123°32'00"   NAD27

Humboldt County, California, Hydrologic Unit 18010209

Drainage area: 8,475 square miles

Datum of gage: 355.98 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	1965-10-19	2024-11-23	23397
Discharge, cubic feet per second	1927-10-01	2024-11-22	35483
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-06-28	2003-11-30	692
Dissolved oxygen, water, unfiltered, milligrams per liter	2002-06-28	2003-11-30	648
pH, water, unfiltered, field, standard units	2002-06-28	2003-11-30	692
Suspended sediment concentration, milligrams per liter	1967-01-01	1979-09-29	4655
Suspended sediment discharge, short tons per day	1967-01-01	1979-09-29	4655
Daily Statistics
Temperature, water, degrees Celsius	1969-04-06	2023-11-27	2565
Discharge, cubic feet per second	1927-10-01	2024-10-27	35457
Suspended sediment concentration, milligrams per liter	1967-01-01	1979-09-29	4655
Suspended sediment discharge, short tons per day	1967-01-01	1979-09-29	4655
Monthly Statistics
Temperature, water, degrees Celsius	1969-04	2023-11
Discharge, cubic feet per second	1927-10	2024-10
Suspended sediment concentration, milligrams per liter	1967-01	1979-09
Suspended sediment discharge, short tons per day	1967-01	1979-09
Annual Statistics
Temperature, water, degrees Celsius	1969	2024
Discharge, cubic feet per second	1928	2025
Suspended sediment concentration, milligrams per liter	1967	1979
Suspended sediment discharge, short tons per day	1967	1979
Peak streamflow	1927-02-21	2024-01-13	97
Field measurements	1932-03-18	2024-10-28	335
Field/Lab water-quality samples	1950-10-12	2024-03-05	719
Water-Year Summary	2005	2024	20
Revisions	Loading...

OPERATION:

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

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