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Water-Year Summary for Site 06033000

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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
06033000 BOULDER RIVER NEAR BOULDER, MT
LOCATION - Lat 46°12'39.71", long 112°05'29.94" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 SW 1/4 sec.03, T.5 N., R.4 W., Jefferson County, MT, Hydrologic Unit 10020006, on left bank 40 ft downstream from county bridge, 1.1 mile downstream from Muskrat Creek, 2.0 mi southeast of Boulder, and at river mile 44.1.
DRAINAGE AREA - 381 mi².
REVISIONS HISTORY - WSP 1279: 1931.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1929 to December 1932, March 1934 to September 1972, October 1984 to current year. Monthly discharge only for some periods, published in Water Supply Paper (WSP) 1309.
GAGE - Water-stage recorder. Elevation of gage is 4,810 ft, referenced to the North American Vertical Datum of 1988. Prior to Aug. 29, 1946, nonrecording gage at present site and elevation.
REMARKS -
10/17/2017 to 10/03/2018: records are good, except estimated records are poor.
10/17/2016 to 10/16/2017: records are good, except January records are fair.
10/06/2015 to 10/16/2016: records are good, except estimated records are poor.
10/01/2014 to 10/05/2015: records are good, except estimated records are poor. 
10/01/2013 to 09/30/2014: records are good, except estimated records are poor. 

Diversions for irrigation of about 3,500 acres occur upstream from station. 

 

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of May 22, 1981, reached a discharge of 7,000 ft³/s, gage height, 12.3 ft, from floodmarks.