USGS Water-Year Summary for Site 07316500

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	00060 Discharge(Mean)

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

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USGS Water-Year Summary 2022

07316500 WASHITA RIVER NEAR CHEYENNE, OK

LOCATION - Lat 35°37'35", long 99°40'05" referenced to North American Datum of 1927, in SE 1/4 sec.05, T.13 N., R.23 W., Roger Mills County, OK, Hydrologic Unit 11130301, on left bank on downstream side of bridge on U.S. Highway 283, 0.5 mi downstream from Sergeant Major Creek, 1.0 mi north of Cheyenne, 5.2 mi upstream from Dead Indian Creek, and at mile 543.9.

DRAINAGE AREA - 775 mi² of which 12 mi² probably is noncontributing. From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.

REVISIONS HISTORY - WSP 1211: Drainage area. WDR 2012: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1937 to current year. Monthly discharge only for some periods, published in WSP 1311.

GAGE - Water-stage recorder. Datum of gage is 1,900.98 ft above NGVD of 1929. May 1, 1938, to Nov. 16, 1946, and Oct. 1, 1947, to Jan. 11, 1948, nonrecording gage at site 50 ft upstream and datum 5.00 ft higher. Jan. 12, 1948 to Dec. 31, 1976, at site 50 ft upstream and datum 5.00 ft higher. Jan. 1, 1977, to Dec. 20, 1979, at site 50 ft upstream at present datum.

REMARKS - 10/01/2021 - 09/30/2022: records good, except for estimated periods which are poor. Quality of data for other periods can be obtained by contacting the Oklahoma-Texas Water Science Center. Flow regulated since 1961 by numerous flood-retarding structures.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Apr. 3, 1934, reached a stage of 1.7 ft lower than that in 1954, at site on upstream side of highway fill (at old bridge site).

EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record 69,800 ft³/s, Apr. 29, 1954, from rating curve extended above 27,000 ft³/s on basis of contracted opening. Maximum gage-height for period of record, 20.24 ft, Apr. 29, 1954, present datum. Minimum daily discharge of no flow occurs most years.

AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - Water years 1938-60, 41.7 ft³/s.