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Scientific Investigations Report 2012–5004


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Dependence of Flow and Transport through the Williamson River Delta, Upper Klamath Lake, Oregon, on Wind, River Inflow, and Lake Elevation


Table 1. Percentiles of the annual mean and annual peak flows at the Williamson River near Chiloquin, Oregon, stream-gaging station (11052500) for the period of record, 1918–2009.


[Abbreviatons: USGS, U.S. Geological Survey; ft3/s, cubic foot per second; m3/s, cubic meter per second]


Percentile Annual
mean flows
(ft3/s) 		Annual
peak flows
(ft3/s)		 Annual
mean flows
(m3/s)		 Annual
peak flows
(m3/s)
1 483 700 14 20
5 588 1,090 17 31
10 670 1,520 19 43
25 743 1,920 21 54
50 956 2,810 27 80
75 1,263 4,540 36 129
90 1,588 6,660 45 189
95 1,636 7,660 46 217
99 2,187 17,100 62 484

First posted March 29, 2012

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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