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DESCRIPTION:

Latitude 47°37'53.15",   Longitude 108°41'15.88"   NAD83

Fergus County, Montana, Hydrologic Unit 10040104

Drainage area: 40,649 square miles

Contributing drainage area: 39,828 square miles,

Datum of gage: 2,239.96 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-10-01	2025-12-25
Daily Data
Temperature, water, degrees Celsius	2004-10-01	2025-12-19	8627
Discharge, cubic feet per second	1934-03-01	2025-12-24	33537
Suspended sediment concentration, milligrams per liter	1971-10-01	2006-09-29	10889
Suspended sediment discharge, short tons per day	1971-10-01	2006-09-29	10989
Daily Statistics
Temperature, water, degrees Celsius	2004-10-01	2025-10-31	2847
Discharge, cubic feet per second	1934-03-01	2025-04-13	33282
Suspended sediment concentration, milligrams per liter	1971-10-01	2006-09-29	10889
Suspended sediment discharge, short tons per day	1971-10-01	2006-09-29	10989
Monthly Statistics
Temperature, water, degrees Celsius	2004-10	2025-10
Discharge, cubic feet per second	1934-03	2025-04
Suspended sediment concentration, milligrams per liter	1971-10	2006-09
Suspended sediment discharge, short tons per day	1971-10	2006-09
Annual Statistics
Temperature, water, degrees Celsius	2005	2026
Discharge, cubic feet per second	1934	2025
Suspended sediment concentration, milligrams per liter	1972	2006
Suspended sediment discharge, short tons per day	1972	2006
Peak streamflow	1934-06-12	2024-05-16	91
Field measurements	1969-06-30	2025-07-29	332
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1971-10-06	2013-09-10	396
Water-Year Summary	2006	2025	20
Revisions	Loading...

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