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Water-Year Summary for Site 12354000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
12354000 ST. REGIS RIVER NEAR ST. REGIS, MT
LOCATION - Lat 47°17'48.16", long 115°07'21.45" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 sec.26, T.18 N., R.28 W., Mineral County, MT, Hydrologic Unit 17010204, on left bank 50 ft downstream from road bridge, 500 ft upstream from Little Joe Creek, 1.2 mi west of St. Regis, and at river mile 1.7.
DRAINAGE AREA - 304 mi².
REVISIONS HISTORY - Water Supply Paper (WSP) 1246: water year 1912; WSP 1316: drainage area, 1911.
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1910 to September 1917 (no winter records), annual maximum, water year 1948, published in Water Supply Paper (WSP) 1080, September 1958 to September 1975, February 2002 to current year. Monthly discharge only for some periods, published in WSP 1316 and 1736.
GAGE - Water-stage recorder. Elevation of gage is 2,645.00 ft, referenced to the National Geodetic Vertical Datum of 1929. September 1910 to September 1917, non-recording gage at site 2 mi upstream at different elevation. Bureau of Reclamation satellite telemeter is located at the station.
REMARKS -
12/01/2017 to 10/02/2018: records are good, except estimated records are poor. 
10/05/2016 to 11/30/2017: records are good, except for March 15 to June 13 are fair, and estimated records are poor. 
10/30/2015 to 10/04/2016: records are good, except estimated records are poor.
10/14/2014 to 10/29/2015: records are good, except estimated records are poor. 
10/01/2013 to 10/13/2014: records are good, except estimated records are poor. 

Minor diversions for irrigation for hay meadows occur above station. 
EXTREMES OUTSIDE PERIOD OF RECORD - Flood on or about Dec. 20, 1933, reached a stage of about 14.5 ft, from information by local residents (discharge unknown). Flood of May 19, 1954, reached a discharge of about 11,000 ft³/s, gage height, 9.4 ft, from rating curve extended above 5,100 ft³/s.