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DESCRIPTION:

Latitude 45°36'47.82",   Longitude 112°19'45.83"   NAD83

Madison County, Montana, Hydrologic Unit 10020005

Drainage area: 7,616 square miles

Datum of gage: 4,560 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1994-10-01	2024-11-21
Daily Data
Temperature, water, degrees Celsius	1994-10-01	2024-11-20	7407
Discharge, cubic feet per second	1940-08-01	2024-11-20	17805
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2009-06-11	2010-10-23	329
Suspended sediment concentration, milligrams per liter	1960-08-05	1972-09-29	3373
Suspended sediment discharge, short tons per day	1960-08-01	1972-09-29	3438
Daily Statistics
Temperature, water, degrees Celsius	1994-10-01	2024-10-02	2418
Discharge, cubic feet per second	1940-08-01	2024-10-02	17756
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2009-06-11	2010-10-23	329
Suspended sediment concentration, milligrams per liter	1960-08-05	1972-09-29	3373
Suspended sediment discharge, short tons per day	1960-08-01	1972-09-29	3438
Monthly Statistics
Temperature, water, degrees Celsius	1994-10	2024-10
Discharge, cubic feet per second	1940-08	2024-10
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2009-06	2010-10
Suspended sediment concentration, milligrams per liter	1960-08	1972-09
Suspended sediment discharge, short tons per day	1960-08	1972-09
Annual Statistics
Temperature, water, degrees Celsius	1995	2025
Discharge, cubic feet per second	1940	2025
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2009	2011
Suspended sediment concentration, milligrams per liter	1960	1972
Suspended sediment discharge, short tons per day	1960	1972
Peak streamflow	1942-05-28	2024-06-11	48
Field measurements	1985-08-21	2024-10-03	289
Field/Lab water-quality samples	1960-08-05	2013-09-11	475
Water-Year Summary	2006	2024	19
Revisions	Loading...

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