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Water-Year Summary for Site 13077000

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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2021
13077000 SNAKE RIVER AT NEELEY, ID
LOCATION - Lat 42°46'03", long 112°52'46" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 sec.31, T.7 S., R.31 E., Power County, ID, Hydrologic Unit 17040209, American Falls SW quad., on right bank 400 ft. upstream from fish hatchery buildings, 0.9 mi. downstream from American Falls Dam, and at mile 714.1.
DRAINAGE AREA - 13,600 mi². excluding indeterminate nontributary area on Snake River Plain.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1906 to current year. Monthly discharge only for some periods, published in WSP 1317.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 4,241.6 ft above NGVD of 1929 (levels by U.S. Bureau of Reclamation). Prior to Aug. 8, 1910, non recording gage, and Aug. 8, 1910 to June 6, 1930, water-stage recorder, at site 2.5 mi. downstream at different datum. June 7, 1930 to Mar. 19, 1945, water-stage recorder, at site 0.4 mi. upstream at datum 0.4 ft higher.
EXTREMES FOR PERIOD OF RECORD - UNREGULATED PERIOD (1907-1926): Maximum discharge prior to regulation by American Falls Dam, 48,400 ft³/s June 20, 1918, gage height, 13.5 ft, site and datum then in use; minimum daily, 2,180 ft³/s Oct. 7, 1924. REGULATED PERIOD (1927 to current year): Maximum discharge since regulation began, 46,100 ft³/s June 19, 24, 25, 1997, gage height, 11.46 ft; minimum, 50 ft³/s, Oct. 22, 23, Nov. 14-16, 1941, Oct. 29, 1961, Nov. 6 1970; minimum gage height, 0.82 ft, Oct. 29, 1961.