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Water-Year Summary for Site 06909000

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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Obs.)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
06909000 MISSOURI RIVER AT BOONVILLE, MO
LOCATION - Lat 38°58'49", long 92°44'43" referenced to North American Datum of 1927, in sec.26, T.49 N., R.17 W., Cooper County, MO, Hydrologic Unit 10300102, near mid-span of the Highways 40 and 5 bridge just north of Boonville, 5.4 mi below Lamine River, and at mile 196.6.
DRAINAGE AREA - 500,700 mi². the 3,959 mi² in Great Divide basin are not included.
REVISIONS HISTORY - WDR MO-76-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct 1925 to current year. Gage-height records collected at same site 1893-99 are in reports of the Missouri River Commission; since 1900 in reports of the National Weather Service.
REVISED RECORDS - WDR MO-76-1: Drainage area.
GAGE - Water-stage recorder. Datum of gage is 565.58 ft above North American Vertical Datum of 1988. Prior to Oct 1, 1928, nonrecording gage on old Highway 40 bridge, at datum 3.14 ft lower; Oct 1, 1928, to May 9, 1931, nonrecording gage at site .4 mile upstream at the old Missouri/Kansas/Texas Railroad bridge at present datum; May 10, 1931, to Apr 12, 1934, water-stage recorder on old Highway 40 bridge at present datum; Apr 12, 1934 to Apr. 8, 2003, water-stage recorder at site .4 mile upstream at the Missouri/Kansas/Texas Railroad Bridge at present datum; Apr 8, 2003 to present, water-stage recorder at present site and datum.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.  Some regulation from many upstream reservoirs.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jun 21, 1844, reached a stage of 32.7 ft, discharge, about 710,000 ft³/s, computed by the U.S. Army Corps of Engineers. Flood of Jun 6, 1903, reached a stage of 30.5 ft, discharge, about 612,000 ft³/s, computed by the U.S. Army Corps of Engineers.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Fe 2006 to current year (Seasonally). pH: Feb 2006 to Sep 2007 (Seasonally). WATER TEMPERATURE: Feb 2006 to current year (Seasonally). DISSOLVED OXYGEN: Feb 2006 to current year (Seasonally). TURBIDITY: Feb 2006 to current year (Seasonally).
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 839 uS/cm, Aug 10, 2007; minimum recorded 243 uS/cm, Sep 17, 2008, but may have been lower during periods of missing record. pH: Maximum recorded, 8.8 standard units, Aug 5-6, 2006, but may have been higher during periods of missing record; minimum recorded, 7.6 standard units, Apr 29-30, May 29, 2007, but may have been lower during periods of missing record. WATER TEMPERATURE: Maximum recorded, 32.0 °C, Jul 19, 2006; minimum recorded, 2.2 °C, Feb 23, 2006, Mar 8, 2008. DISSOLVED OXYGEN: Maximum recorded, 15.6 mg/L, Feb 22, 2006; minimum recorded, 2.9 mg/L, Aug 12, 2007, but may have been lower during periods of missing record. TURBIDITY: Maximum recorded, 1810 FNU, Apr 29, 30, 2009, minimum recorded, 15 FNU, Feb 27-Mar 1, 2006.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum daily, 825 uS/cm, Feb 28, 2006, Aug 10, 2007; minimum daily 253 uS/cm, Sep 17, 2008, but may have been lower during periods of missing record. pH: Maximum daily, 8.7 standard units, Aug 5, 6, 2006, but may have been higher during periods of missing record; minimum daily, 7.6 standard units, Apr 29-30, 2007, but may have been lower during periods of missing record. WATER TEMPERATURE: Maximum daily, 31.5 °C, Jul 19, 20, 2006; minimum daily, 2.4 °C, Mar 8, 2008. DISSOLVED OXYGEN: Maximum daily, 13.9 mg/L, Feb 23, 2006; minimum daily, 3.3 mg/L, Aug 12, 2007, but may have been lower during periods of missing record. TURBIDITY: Maximum daily, 1510 FNU, Apr 30, 2009; minimum daily, 15 FNU, Feb 28, 2006.