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USGS 05020500 St. Mary River at International Boundary

  Stream Site

Latitude 49°00'41.07",   Longitude 113°17'58.37"   NAD83
000, 95,
Drainage area: 462 square miles
Datum of gage: 4,116.04 feet above   NGVD29.
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1989-10-01  2024-03-02  
 Daily Data
    Discharge, cubic feet per second  1902-09-01  2024-03-01  44378 
 Daily Statistics 
    Discharge, cubic feet per second  1902-09-01  2024-01-02 44319 
 Monthly Statistics 
    Discharge, cubic feet per second  1902-09  2024-01  
 Annual Statistics 
    Discharge, cubic feet per second  1902  2024  
 Peak streamflow 1903-06-08  2023-06-11  119 
 Field measurements 1975-10-01  2024-01-24  864 
 Field/Lab water-quality samples 1977-12-28  2013-08-28  378 
 Water-Year Summary 2006  2023  18 
 Revisions  Loading...
Record for this site is maintained by the USGS Montana Water Science Center
Email questions about this site to Montana Water Science Center Water-Data Inquiries