Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

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  2025-12-17
2007-10-01  2025-12-17







 (7)
 

  -- or --

 


 

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


Discharge, cubic feet per second

Most recent instantaneous value: 1340 12-17-2025   04:15 MST
Graph of  Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 


Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

See this graph on the Monitoring Location Pages


Daily discharge, cubic feet per second -- statistics for Dec 17 based on 75 water years of record more
Min
(1953)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1996)
Most Recent
Instantaneous
Value Dec 17
32.0 82 114 152 171 468 1340


Gage height, feet

Most recent instantaneous value: 3.56 12-17-2025   04:15 MST
Graph of  Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 


Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

See this graph on the Monitoring Location Pages