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Water-Year Summary for Site 06078200

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 47°26'05.88", long 111°23'18.40" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 NW 1/4 sec.5, T.19 N., R.3 E., Cascade County, MT, Hydrologic Unit 10030102, on left bank 5.6 mi east of Ulm, 9.1 mi downstream from Smith River, and at river mile 2,140.4.
DRAINAGE AREA - 20,605 mi².
PERIOD OF RECORD - August 1957 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,313.27 ft, referenced to the National Geodetic Vertical Datum of 1929.
REMARKS - Flow is regulated by 10 smaller irrigation reservoirs and power plants, Clark Canyon Reservoir (station number 06015300), and Canyon Ferry Lake (station number 06058500). Numerous diversions for irrigation occur upstream from station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in June 1953 reached a stage of about 17 ft; discharge, 35,000 ft³/s. Flood in June 1948 reached a stage of about 16 ft; discharge, 32,000 ft³/s, from information by local residents.