This statistic shows the average discharge at mouth of the largest rivers in the U.S. in 2005. The Missouri river has an average discharge of 76,2 thousand cubic feet per second at its mouth.
Average discharge at mouth of the largest rivers in the U.S. in 2005
(in 1,000 cubic feet per second)
Characteristic
Discharge in thousand cubic feet per second
Mississippi (Louisiana)*
593
St Lawrence (Canada)
348
Ohio (Illinois-Kentucky)
281
Columbia (Oregon-Washington)
265
Yukon (Alaska)
225
Missouri (Missouri)
76.2
Tennessee (Kentucky)
68
Mobile (Alabama)
67.2
Kuskokwim (Alaska)
67
Copper (Alaska)
59
Atchafalaya (Louisiana)**
58
Snake (Washington)
56.9
Stikine (Alaska)
56
050100150200250300350400450500550600650700
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* Includes about 167,000 cubic ft. per second diverted from the Mississippi into the Atchafalaya River but excludes the flow of the Red River.
** In east-central Louisiana, the Red River flows into the Atchafalaya River, a distributary of the Mississippi River. Data on average discharge, length, and drainage area include the Red River, but exclude all water diverted into the Atchafalaya from the Mississippi River.
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US Census Bureau. (September 30, 2011). Average discharge at mouth of the largest rivers in the U.S. in 2005 (in 1,000 cubic feet per second) [Graph]. In Statista. Retrieved April 29, 2025, from https://www.statista.com/statistics/204241/average-discharge-at-mouth-of-the-largest-rivers-in-the-us/
US Census Bureau. "Average discharge at mouth of the largest rivers in the U.S. in 2005 (in 1,000 cubic feet per second)." Chart. September 30, 2011. Statista. Accessed April 29, 2025. https://www.statista.com/statistics/204241/average-discharge-at-mouth-of-the-largest-rivers-in-the-us/
US Census Bureau. (2011). Average discharge at mouth of the largest rivers in the U.S. in 2005 (in 1,000 cubic feet per second). Statista. Statista Inc.. Accessed: April 29, 2025. https://www.statista.com/statistics/204241/average-discharge-at-mouth-of-the-largest-rivers-in-the-us/
US Census Bureau. "Average Discharge at Mouth of The Largest Rivers in The U.S. in 2005 (in 1,000 Cubic Feet per Second)." Statista, Statista Inc., 30 Sep 2011, https://www.statista.com/statistics/204241/average-discharge-at-mouth-of-the-largest-rivers-in-the-us/
US Census Bureau, Average discharge at mouth of the largest rivers in the U.S. in 2005 (in 1,000 cubic feet per second) Statista, https://www.statista.com/statistics/204241/average-discharge-at-mouth-of-the-largest-rivers-in-the-us/ (last visited April 29, 2025)
Average discharge at mouth of the largest rivers in the U.S. in 2005 (in 1,000 cubic feet per second) [Graph], US Census Bureau, September 30, 2011. [Online]. Available: https://www.statista.com/statistics/204241/average-discharge-at-mouth-of-the-largest-rivers-in-the-us/
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