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DESCRIPTION:

Latitude 45°23'00.20",   Longitude 112°27'10.19"   NAD83

Madison County, Montana, Hydrologic Unit 10020002

Drainage area: 3,618 square miles

Datum of gage: 4,809.15 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1995-10-01	2025-03-25
Daily Data
Temperature, water, degrees Celsius	1999-10-01	2004-09-29	5095
Discharge, cubic feet per second	1935-08-21	2025-03-24	29436
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010-06-05	2010-10-31	135
Suspended sediment concentration, milligrams per liter	1962-07-17	1974-09-29	4450
Suspended sediment discharge, short tons per day	1962-07-01	1974-09-29	4474
Daily Statistics
Temperature, water, degrees Celsius	1999-10-01	2003-09-30	1454
Discharge, cubic feet per second	1935-08-21	2024-12-04	29327
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010-06-05	2010-10-31	135
Suspended sediment concentration, milligrams per liter	1962-07-17	1974-09-29	4450
Suspended sediment discharge, short tons per day	1962-07-01	1974-09-29	4474
Monthly Statistics
Temperature, water, degrees Celsius	1999-10	2003-09
Discharge, cubic feet per second	1935-08	2024-12
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010-06	2010-10
Suspended sediment concentration, milligrams per liter	1962-07	1974-09
Suspended sediment discharge, short tons per day	1962-07	1974-09
Annual Statistics
Temperature, water, degrees Celsius	2000	2003
Discharge, cubic feet per second	1935	2025
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2010	2011
Suspended sediment concentration, milligrams per liter	1962	1974
Suspended sediment discharge, short tons per day	1962	1974
Peak streamflow	1936-08-12	2024-04-14	88
Field measurements	1925-05-02	2025-03-12	468
Field/Lab water-quality samples	1962-07-18	2013-08-28	705
Water-Year Summary	2006	2024	19
Revisions	Loading...

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