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Water-Year Summary for Site 13011000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2021
LOCATION - Lat 43°51'31", long 110°35'09" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 SE 1/4 sec.18, T.45 N., R.114 W., Teton County, WY, Hydrologic Unit 17040101, Moran quad., Grand Teton National Park, on left bank 1,000 ft downstream from Jackson Lake Dam, 4.1 mi west of Moran, and at mile 988.7.
DRAINAGE AREA - 807 mi².
PERIOD OF RECORD - September 1903 to current year. Monthly discharge only for some periods, published in WSP 1317. Published as "South Fork Snake River at Moran" prior to October 1910 and as "Snake River at Moran" October 1910 to September 1968.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 6,727.84 ft above NGVD of 1929 (levels by U.S. Bureau of Reclamation). Prior to June 13, 1917, nonrecording gage, and June 14, 1917 to May 20, 1940, water-stage recorder, at site 1.5 mi downstream at different datums.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood during early June 1894 was considerably higher than that of June 12, 1918.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,100 ft³/s June 12, 1918, gage height, 10.41 ft, site and datum then in use; maximum gage height, 10.96 ft, June 11, 1997; minimum daily, 0.30 ft³/s Oct. 28, 1969.