USGS 05017500 St. Mary River near Babb 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 jointly by the USGS Wyoming-Montana Water Science Center and Water Survey Canada and in cooperation with the U.S. Department of State and in accordance with the Boundary Waters Treaty of 1909 as overseen by the International Joint Commission and in cooperation with the U.S. Bureau of Reclamation.
Leaving USGS: U.S. Coast Guard boating safety tips.
This station managed by the Helena Field Unit.

Available Parameters Available Period
  
1996-10-21  2026-03-01
2007-10-01  2026-03-01







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 151 03-01-2026   14:15 MST
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Daily discharge, cubic feet per second -- statistics for Mar 1 based on 74 water years of record more
Min
(2001)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Mar 1		 Max
(2015)
37.0 70 90 107 132 151 387

Gage height, feet, [(2)]
Most recent instantaneous value: 2.16 03-01-2026   14:15 MST
Graph of Gage height, feet, [(2)]

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