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Water-Year Summary for Site 09211200

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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.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Min.,Mean,Max.)  
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 42°01'15.5", long 110°02'59.3" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NE 1/4 sec.31, T.24 N., R.111 W., Sweetwater County, WY, Hydrologic Unit 14040103, on right bank 1.0 mi downstream from Fontenelle Dam, 2.5 mi upstream from Slate Creek, and 6.0 mi southeast of Fontenelle.
DRAINAGE AREA - 4,280 mi².
REVISIONS HISTORY - WSP 2125: Drainage area.
PERIOD OF RECORD - November 1963 to current year.
GAGE - Water-stage recorder. Elevation of gage is 6,378.13 ft above NGVD of 1929 (U.S. Bureau of Reclamation bench mark). U.S. Geological Survey data collection platform with satellite telemetry at station.
REMARKS - Flow completely regulated by Fontenelle Reservoir 1.0 mi upstream from station. Natural flow of stream affected by storage reservoirs and diversions for irrigation upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge caused by emergency release from Fontenelle Reservoir, gage height determined from floodmarks.
PERIOD OF RECORD - Water years 1968 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1967 to September 1976. WATER TEMPERATURE: October 1967 to September 1976, May 2020 to current year (seasonal).
INSTRUMENTATION - Water thermistor.
REMARKS - Water-temperature records represent water temperature at sensor within 0.2 °C. Maximum and minimum recorded values in the EXTREMES paragraphs may have occurred during days of partial record and may not appear in the daily values tables. Additional water quality samples collected in conjunction with USBOR sampling.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE:  Maximum recorded, 20.7°C, August 18, 2020; minimum recorded, 5.1°C, April 23, 2021.