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Water-Year Summary for Site 14246900

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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)  
72137 Discharge,tide fltrd(Mean)  

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

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USGS Water-Year Summary 2018
14246900 COLUMBIA RIVER AT BEAVER ARMY TERMINAL, NEAR QUINCY, OR
LOCATION - Lat 46°10'53", long 123°10'56" referenced to North American Datum of 1927, in NE 1/4 sec.16, T.8 N., R.4 W., Columbia County, OR, Hydrologic Unit 17080003, on left bank, 0.7 mi downstream from Crims Island, 3.0 mi northwest of Quincy and at mile 53.8.
DRAINAGE AREA - 256,900 mi², approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1968 to June 1970, June 1991 to current year.
GAGE - Water-stage recorder and acoustic velocity meter. Datum of gage is Columbia River Datum; subtract 1.00 ft to convert to NGVD of 1929. May 1968 to June 1970, water-stage recorder with auxiliary water-stage recorder at site 5.6 mi downstream, at datum 10.00 ft lower; June 27, 1991 to September 30, 2004, at present site, at datum 1.52 ft higher.
REMARKS - Flow regulated by many reservoirs on Columbia River and in tributary basins. Flow significantly affected by astronomical tides, which can cause reverse flow during tidal cycle when daily mean discharges are less than 250,000 ft³/s. Daily mean discharges since water year 2007 are computed from filtered unit value discharge data. The Godin low-pass filter is used to remove tidal variations from unit values. Continuous water-quality records for some prior periods have been collected at this location. Chemical analyses and periodic suspended sediment data collected at this location are available via NWISWeb.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 864,000 ft³/s Feb. 10, 1996; minimum daily discharge, 63,600 ft³/s Sept. 9, 2001; minimum unfiltered discharge recorded since water year 2007, -279,000 ft³/s Oct. 15, 2012, but may have been less during periods of missing record.