USGS Water-Year Summary for Site 06652000

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	Available Parameters
	00060 Discharge(Mean)

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Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021

06652000 NORTH PLATTE RIVER AT ORIN, WY

LOCATION - Lat 42°39'09.1", long 105°09'31.0" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 SW 1/4 sec.17, T.31 N., R.69 W., Converse County, WY, Hydrologic Unit 10180008, on right bank 0.5 mi downstream from bridge on State Highway 319, 0.1 mi downstream from Shawnee Creek, and 1.5 mi east of Orin. Prior to Mar. 6, 1994, at site 0.3 mi upstream from station.

DRAINAGE AREA - 15,025 mi² of which 1,203 mi² probably is noncontributing.

REVISIONS HISTORY - WSP 1310: 1896, 1899. WDR WY-76-1: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - January, April to November 1895, April to October 1896, January 1897 to December 1898, April to November 1899, April to September 1917, April to September 1918, May to September 1924, April 1958 to current year. Monthly discharge only for some periods, published in WSP 1310. Published as "at Orin Junction" 1895, 1897-99 and as "at McKinley" 1917-18.

GAGE - Water-stage recorder. Concrete weir since March 6, 1994. Elevation of gage is 4,660 ft above NGVD of 1929, from topographic map. January 1, 1895 to November 30, 1899, and May 1 to September 30, 1924, nonrecording gage at railroad bridge upstream from State Highway 319 at different datum. April 1, 1917 to September 30, 1918, nonrecording gage at site 1.9 mi downstream from station at different datum. April 1958 to March 5, 1994, at site 0.3 mi upstream from station at different datum. Wyoming State Engineer's Office data collection platform with satellite telemetry at station.

COOPERATION -

11-29-2018 to 10-08-2019: Three discharge measurements provided by the Wyoming State Engineer's Office 
and one discharge measurement provided by U.S. Bureau of Reclamation.

10-03-2017 to 11-28-2018: Nine discharge measurements provided by the Wyoming State Engineer's Office 
and one discharge measurement provided by U.S. Bureau of Reclamation.

10-19-2016 to 10-02-2017: Eight discharge measurements provided by the Wyoming State Engineer's Office 
and six discharge measurement provided by U.S. Bureau of Reclamation.

REMARKS -

11-28-2018 to 10-08-2019: records are good, except estimated records are poor.
10-03-2017 to 11-28-2018: records are good, except estimated records are poor.
10-19-2016 to 10-02-2017: records are good, except estimated records are poor.
10-01-2015 to 10-18-2016: records are good, except estimated records are poor.
10-01-2014 to 09-30-2015: records are good, except estimated records are poor. 
10-01-2013 to 09-30-2014: records are good, except estimated records are poor.

Major regulation began after completion of Pathfinder Reservoir in April 1909. Natural flow of stream affected by storage reservoirs, power development, diversions for irrigation, and return flow from irrigated areas.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water Years 1966-89, October 2003 to June 2014.

PERIOD OF DAILY RECORD - WATER TEMPERATURE: May to September 1979. SUSPENDED-SEDITMENT DISCHARGE: May to September 1979.