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DESCRIPTION:

Latitude 48°18'28.46",   Longitude 106°49'20.34"   NAD83

Valley County, Montana, Hydrologic Unit 10050012

Drainage area: 21,341 square miles

Contributing drainage area: 19,142 square miles,

Datum of gage: 2,110 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1992-10-01	2026-01-19
Daily Data
Discharge, cubic feet per second	1973-10-01	2026-01-15	11870
Daily Statistics
Discharge, cubic feet per second	1973-10-01	2024-10-31	11563
Monthly Statistics
Discharge, cubic feet per second	1973-10	2024-10
Annual Statistics
Discharge, cubic feet per second	1974	2025
Peak streamflow	1952-04-17	2024-05-15	42
Field measurements	1974-04-08	2025-11-18	323
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1973-10-01	2013-09-30	232
Water-Year Summary	2006	2024	19
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