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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).


* 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  2019-12-12
2019-08-14  2019-12-12







 (7)
 

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


Discharge, cubic feet per second

Most recent instantaneous value: 302 12-12-2019   01:10 MST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 12 based on 117 water years of record more
Min
(1930)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Dec 12
Max
(1996)
52.0 127 183 211 246 302 900


Gage height, feet

Most recent instantaneous value: 3.92 12-12-2019   01:10 MST
Graph of  Gage height, feet

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