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Water-Year Summary for Site 13018750

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Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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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)  
00095 Specific cond at 25C(Mean,Max.,Min.)  
00300 Dissolved oxygen(Mean,Max.,Min.)  
00400 pH(Max.,Min.,Med.)  

Water year 2024: 2023-10-01 to 2024-09-30
 
USGS Water-Year Summary 2024
13018750 SNAKE RIVER BELOW FLAT CREEK, NEAR JACKSON, WY
LOCATION - Lat 43°22'20", long 110°44'19" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 SE 1/4 sec.03, T.39 N., R.116 W., Teton County, WY, Hydrologic Unit 17040103, Camp Davis quad., on left bank 20 ft. upstream from county road bridge, about 1 mi. downstream from Flat Creek, 4.8 mi. upstream from Hoback River, 7.0 mi. south of Jackson, and at mile 938.9.
DRAINAGE AREA - 2,672 mi² of which 45 mi² probably is noncontributing.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1975 to current year.
GAGE - Water-stage recorder. Elevation of gage datum is 5,928.27 ft above NAVD of 1988, from GNSS survey. U.S. Geological Survey data collection platform with satellite telemetry at station.
REMARKS - Flow regulated by Jackson Lake. Some diversions for irrigation occur upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 30,200 ft³/s June 11, 1997; minimum daily, 690 ft³/s Jan. 19, 1988.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - 
SPECIFIC CONDUCTANCE: August 2023 to current year (seasonal).
pH: August 2023 to current year (seasonal).
WATER TEMPERATURE: May 2022 to current year (seasonal).
DISSOLVED OXYGEN: August 2023 to current year (seasonal).
INSTRUMENTATION - Water-quality monitor for specific conductance, pH, water temperature and dissolved oxygen.
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.
EXTREMES FOR PERIOD OF RECORD - 
SPECIFIC CONDUCTANCE: Maximum recorded, 287 microsiemens per centimeter at 25°C (uS/cm), October 16, 2023; 
minimum recorded, 166 uS/cm, May 31, 2024. 
PH: Maximum recorded, 8.9, August 23, 2023; minimum recorded, 7.8, June 2, 2024. 
WATER TEMPERATURE: Maximum recorded, 22.1°C, July 30, 2022; minimum recorded, 
0.0°C, many days, most years. 
DISSOLVED OXYGEN: Maximum recorded, 12.0 mg/L, November 4, 2024; minimum recorded, 6.8 mg/L, August 3, 2024.