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DESCRIPTION:

Latitude 45°50'25.39",   Longitude 106°13'24.36"   NAD83

Rosebud County, Montana, Hydrologic Unit 10090102

Drainage area: 3,882 square miles

Datum of gage: 2,760 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2000-07-17	2025-11-12
Daily Data
Temperature, water, degrees Celsius	2020-10-01	2025-11-11	3243
Discharge, cubic feet per second	1973-10-01	2025-11-12	11055
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2000-08-24	2025-11-11	11462
Suspended sediment concentration, milligrams per liter	1974-10-01	1981-09-29	2454
Suspended sediment discharge, short tons per day	1974-10-01	1981-09-29	2556
Sodium adsorption ratio (SAR), water, estimated by regression equation, number	2003-10-01	2007-10-31	861
Daily Statistics
Temperature, water, degrees Celsius	2020-10-01	2025-08-05	983
Discharge, cubic feet per second	1973-10-01	2025-08-05	10956
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2000-08-24	2025-08-05	3718
Suspended sediment concentration, milligrams per liter	1974-10-01	1981-09-29	2454
Suspended sediment discharge, short tons per day	1974-10-01	1981-09-29	2556
Sodium adsorption ratio (SAR), water, estimated by regression equation, number	2003-10-01	2007-10-31	861
Monthly Statistics
Temperature, water, degrees Celsius	2020-10	2025-08
Discharge, cubic feet per second	1973-10	2025-08
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2000-08	2025-08
Suspended sediment concentration, milligrams per liter	1974-10	1981-09
Suspended sediment discharge, short tons per day	1974-10	1981-09
Sodium adsorption ratio (SAR), water, estimated by regression equation, number	2003-10	2007-10
Annual Statistics
Temperature, water, degrees Celsius	2021	2025
Discharge, cubic feet per second	1974	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2000	2025
Suspended sediment concentration, milligrams per liter	1975	1981
Suspended sediment discharge, short tons per day	1975	1981
Sodium adsorption ratio (SAR), water, estimated by regression equation, number	2004	2008
Peak streamflow	1974-06-21	2024-06-13	29
Field measurements	1978-09-07	2025-08-06	193
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1974-04-10	2016-10-12	251
Water-Year Summary	2006	2024	13
Revisions	Loading...

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