USGS 12381400 South Fork Jocko River near Arlee MT

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Flood Tracking - Stage Flood Tracking - Discharge Gage-height Corrections Base Rating Shifted Rating
(About shift-adjusted ratings).
Station operated by the USGS Wyoming-Montana Water Science Center in cooperation with the Confederated Salish and Kootenai Tribes and the USGS Cooperative Matching Funds program.
Leaving USGS: U.S. Coast Guard boating safety tips.
This station managed by the Helena Field Unit.

Available Parameters Available Period
  
1990-10-01  2026-02-28
2007-10-01  2026-02-28







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 19.8 02-28-2026   04:15 MST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Feb 28 based on 43 water years of record more
Min
(1985)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Feb 28		 Max
(1986)
5.00 9.4 12 13 13 19.8 43.0

Gage height, feet
Most recent instantaneous value: 1.17 02-28-2026   04:15 MST
Graph of Gage height, feet

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