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

UPDATED August 8, 2019: USGS streamflow monitoring will be discontinued at the following site effective October 1, 2019:
  • 09219200 Blacks Fork above Smiths Fork, near Lyman, WY (2018 to present)
USGS monitoring activities at this site are funded by a partner agency. Lack of partner funding for this site will result in discontinuation of all monitoring activities. Questions or concerns can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

USGS 06306300 Tongue River at State Line nr Decker MT

  Stream Site

DESCRIPTION:
Latitude 45°00'32.89",   Longitude 106°50'09.40"   NAD83
Big Horn County, Montana, Hydrologic Unit 10090101
Drainage area: 1,451 square miles
Datum of gage: 3,429 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1994-10-01  2019-09-15  
 Daily Data
    Temperature, water, degrees Celsius  2016-09-15  2019-09-14  1779 
    Discharge, cubic feet per second  1960-07-08  2019-09-14  21571 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000-08-21  2019-09-15  14825 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1983-10-24  1986-12-31  1161 
    Sodium adsorption ratio (SAR), water, estimated by regression equation, number  2000-08-21  2013-09-30  8375 
 Daily Statistics 
    Discharge, cubic feet per second  1960-07-08  2019-04-22 21426 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000-08-21  2018-10-30 5025 
    Sodium adsorption ratio (SAR), water, estimated by regression equation, number  2000-08-21  2013-09-30 3367 
 Monthly Statistics 
    Discharge, cubic feet per second  1960-07  2019-04  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000-08  2018-10  
    Sodium adsorption ratio (SAR), water, estimated by regression equation, number  2000-08  2013-09  
 Annual Statistics 
    Discharge, cubic feet per second  1960  2019  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000  2019  
    Sodium adsorption ratio (SAR), water, estimated by regression equation, number  2000  2013  
 Peak streamflow 1961-05-30  2017-05-19  57 
 Field measurements 1963-06-06  2019-08-13  460 
 Field/Lab water-quality samples 1985-10-16  2019-08-13  418 
 Water-Year Summary 2006  2018  13 
 Revisions  Loading...
OPERATION:
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