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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


* IMPORTANT: Next Generation Station Page

USGS 05020500 St. Mary River at International Boundary

PROVISIONAL DATA SUBJECT TO REVISION

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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 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 .
Station photographs | 1 |
Leaving USGS: U.S. Coast Guard boating safety tips.
This station managed by the Helena Field Unit.

Available Parameters Available Period
  
1989-10-01  2021-05-06
2021-01-06  2021-05-06







 (7)
 

  -- or --

 


 

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


Discharge, cubic feet per second

Most recent instantaneous value: 995 05-06-2021   01:10 MDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 6 based on 118 water years of record more
Min
(2008)
25th
percen-
tile
Median Most Recent
Instantaneous
Value May 6
Mean 75th
percen-
tile
Max
(1918)
182 672 957 995 1060 1320 2990


Gage height, feet

Most recent instantaneous value: 5.06 05-06-2021   01:10 MDT
Graph of  Gage height, feet

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