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LOCATION.--Lat 43° 31'02", long 114° 19'14", in SW1/4 NE1/4 SW1/4 sec.9,
T.2 N., R.18 E., Blaine County, Hydrologic Unit 17040219, on left bank,
15 ft upstream from county road crossing, 0.2 mi southwest of Hailey,
0.4 mi upstream from Croy Creek, and at mile 91.0.
DRAINAGE AREA.--640 mi2, approximately. Mean elevation, 7,620 ft.
PERIOD OF RECORD.--July to December 1889, June 1915 to current year.
Published as "Wood River at Hailey" in 1889. Previously published as
"Big Wood River and Big Wood Slough combined discharge at Hailey, Idaho".
REVISED RECORDS.--WDR ID-81-1: 1974-80 average discharge.
GAGE.--Datum of gage is 5,295.42 ft above NGVD of 1929. July to December 1889,
nonrecording gage at nearby site at different datum. June 11, 1915 to
Nov. 15, 1934, nonrecording gages at present site at different datum.
Nov. 16, 1934 to Oct. 15, 1970, at datum 2.00 ft higher. Nov. 10, 1971
to Sept. 30, 1972, nonrecording gages at different sites at present datum.
REMARKS.--Diversions above station for irrigation of about 10,000 acres
(1966 determination), of which about 1,200 acres are below station.
Storage above station is negligible.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge observed, 6,150 ft3/s
May 30, 1983, gage height, 7.93 ft; maximum gage height, 10.66 ft,
June 12, 1921, present datum; minimum daily, 15 ft3/s Dec. 27, 1931.
Station operated with funding provided by the U.S. Geological Survey
National Streamflow Information Program (NSIP).
Realtime data relay provided by National Weather Service.
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