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DESCRIPTION:

Latitude 48°07'48.19",   Longitude 106°21'51.53"   NAD83

Valley County, Montana, Hydrologic Unit 10050012

Drainage area: 22,452 square miles

Contributing drainage area: 20,254 square miles,

Datum of gage: 2,027.75 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-10-01	2024-11-05
Daily Data
Temperature, water, degrees Celsius	2000-04-01	2024-11-04	2553
Discharge, cubic feet per second	1939-10-01	2024-11-30	31108
Oxidation reduction potential, reference electrode not specified, millivolts	2024-04-25	2024-11-04	579
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2024-04-25	2024-11-04	579
Dissolved oxygen, water, unfiltered, milligrams per liter	2024-04-25	2024-11-04	576
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2024-04-25	2024-11-04	189
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	2024-04-25	2024-11-04	579
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	2024-04-25	2024-11-04	579
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2024-04-24	2024-11-05	580
Suspended sediment discharge, short tons per day	1948-04-23	1969-06-29	7348
Daily Statistics
Temperature, water, degrees Celsius	2000-04-01	2003-09-29	658
Discharge, cubic feet per second	1939-10-01	2024-11-04	31082
Suspended sediment discharge, short tons per day	1948-04-23	1969-06-29	7348
Monthly Statistics
Temperature, water, degrees Celsius	2000-04	2003-09
Discharge, cubic feet per second	1939-10	2024-11
Suspended sediment discharge, short tons per day	1948-04	1969-06
Annual Statistics
Temperature, water, degrees Celsius	2000	2003
Discharge, cubic feet per second	1940	2025
Suspended sediment discharge, short tons per day	1948	1969
Peak streamflow	1940-04-23	2024-05-10	85
Field measurements	1952-04-08	2024-11-05	442
Field/Lab water-quality samples	1959-08-06	2013-09-30	553
Water-Year Summary	2006	2024	19
Revisions	Loading...

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