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Water-Year Summary for Site 09261000

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
09261000 GREEN RIVER NEAR JENSEN, UT
LOCATION - Lat 40°24'34", long 109°14'05" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 SE 1/4 sec.05, T.5 S., R.24 E., Uintah County, UT, Hydrologic Unit 14060001, Dinosaur National Monument, at highway bridge, 1 mi downstream from Cub Creek and Chew Ranch, 4 mi southeast of Dinosaur National Monument headquarters, 6.5 mi northeast of Jensen, 12 mi upstream from Brush Creek, and 313 mi north of the confluence with the Colorado River. Gage found on Split Mountain quadrangle, 7 1/2 minute series.
DRAINAGE AREA - 29,660 mi² of which 4,260 mi² probably is noncontributing. This noncontributing area includes 3,959 mi² in Great Divide Basin in southern Wyoming.
REVISIONS HISTORY - WSP 1243: 1904(m). WDR UT-73: 1972. WDR UT-76-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1903 to December 1904, June to August 1905 (gage heights only), March to September 1906, July to October 1914, August to December 1915, October 1946 to current year. Prior to October 1946, published as "at Jensen," except October to December 1903, which was published as "near Vernal."
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 4,761.69 ft. above NAVD of 1988 from a Level II GNSS survey conducted on April 20, 2022. Prior to October 1, 1946, nonrecording gages at site 15 mi downstream at different datums. December 13, 1946 to September 30, 1948, water-stage recorder 300 feet upstream at datum 1.50 ft higher. October 1, 1948 to November 4, 2009, water-stage recorder 300 feet upstream at current datum.
REMARKS - Transbasin diversions and diversions for irrigation above station. Considerable regulation of flow by Flaming Gorge Reservoir, capacity 3,788,190 acre-feet (see station 09234500), 93.1 mi upstream, beginning November 1, 1962. Records are good except estimated daily discharges which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 40,000 ft³/s, May 18, 1984; gage height, 14.66 ft; minimum observed, 102 ft³/s, Dec. 6, 1904.
WATER-QUALITY RECORDS
PERIOD OF RECORD - June 1947 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: June 1947 to September 1952, October 1961 to September 1996. WATER TEMPERATURE: March 1949 to September 1959, October 1961 to September 1996, October 1998 to current year. SUSPENDED-SEDIMENT DISCHARGE: May 1948 to September 1979.
INSTRUMENTATION - Thermistor connected to an electronic data logger with 15-minute recording interval: October 1, 1998 to current year.
REMARKS - Quality of data for specific periods can be obtained by contacting the Utah Water Science Center. Unpublished daily records of specific conductance obtained before water year 1965 were included in the determination of extremes for period of daily record and are available at USGS Utah Water Science Center, Salt Lake City, Utah. Sediment data were collected during water years 1998 through 2002 by personnel in the USGS Colorado Water Science Center.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum daily, 2,330 microsiemens/cm, Sep 10, 1963; minimum daily, 176 microsiemens/cm, May 24, 1963. WATER TEMPERATURE: Maximum, 30.0°C, Jul 11, 1958; minimum, -0.2°C, Dec 20, 2012. SEDIMENT CONCENTRATIONS: Maximum daily mean, 40,600 mg/L, Aug 23, 1960; minimum daily mean, 9 mg/L, Oct 7-11, 1953, Nov 22, 1962, and Sep 1, 1972. SEDIMENT LOADS: Maximum daily, 2,500,000 tons, Mar 29, 1962; minimum daily, 10 tons, on many days in 1962 and 1963.