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Scientific Investigations Report 2007–5186

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5186

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Table 2. Streamflow sites used for nutrient and suspended-sediment load computations in the Columbia River and Puget Sound basins for selected water years.

[All values are in cubic feet per second. Common period: Number in parenthesis beside streamflow value indicates the percentage of annual mean streamflows less than the 31 annual streamflows for water years 1973–2003. Abbreviations: ID, Idaho; OR, Oregon; WA, Washington]

Site No. Site name Water years
1973–2003
  Common period
(flow percentile
water years 1993–2003)
Mean
annual
streamflow
Annual
mean streamflow
(water year 2000)
Low annual
mean streamflow
(water year 2001)
High annual
mean streamflow
(water year 1997)
14211720 Willamette River at Portland, OR 33,400 35,100 (65) 16,000 (3) 53,700 (97)
14103000 Deschutes River at Moody, OR 5,870 6,460 (76) 4,850 (14) 7,980 (100)
12413000 North Fork Coeur d’Alene River at Enaville, ID 1,810 2,040 (71) 759 (3) 2,730 (93)
13154500 Snake River at King Hill, ID 11,000 9,990 (48) 7,330 (11) 17,000 (96)
12510500 Yakima River at Kiona, WA 3,400 3,770 (66) 1,530 (6) 6,090 (96)
12150800 Snohomish River nr Monroe, WA 9,320 10,500 (68) 6,300 (0) 13,300 (100)

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