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DESCRIPTION:

Latitude 38°47'19.9",   Longitude 90°28'14.6"   NAD83

St. Louis County, Missouri, Hydrologic Unit 10300200

Drainage area: 524,000 square miles

Datum of gage: 413.47 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1999-10-01	2017-07-27
Daily Data
Temperature, water, degrees Celsius	2008-01-09	2017-07-25	2603
Temperature, air, degrees Fahrenheit	2014-07-28	2017-07-25	1094
Discharge, cubic feet per second	2000-04-01	2017-07-25	6325
Gage height, feet	1984-10-01	2017-07-26	11536
Suspended sediment concentration, milligrams per liter	2005-10-01	2008-09-29	1095
Suspended sediment discharge, short tons per day	2005-10-01	2008-09-29	1095
Daily Statistics
Temperature, water, degrees Celsius	2008-01-09	2017-05-31	2550
Discharge, cubic feet per second	2000-04-01	2017-05-04	6243
Suspended sediment concentration, milligrams per liter	2005-10-01	2008-09-29	1095
Suspended sediment discharge, short tons per day	2005-10-01	2008-09-29	1095
Monthly Statistics
Temperature, water, degrees Celsius	2008-01	2017-05
Discharge, cubic feet per second	2000-04	2017-05
Suspended sediment concentration, milligrams per liter	2005-10	2008-09
Suspended sediment discharge, short tons per day	2005-10	2008-09
Annual Statistics
Temperature, water, degrees Celsius	2008	2017
Discharge, cubic feet per second	2000	2017
Suspended sediment concentration, milligrams per liter	2006	2008
Suspended sediment discharge, short tons per day	2006	2008
Peak streamflow	2001-06-10	2015-12-30	16
Field measurements	1929-04-12	2017-06-01	211
Field/Lab water-quality samples	2005-07-28	2016-07-20	116
Water-Year Summary	2006	2016	11
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	2000-04-01	2007-09-30	55328

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