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The Mississippi River dropped as much as two feet in two days in eastern Iowa, with the level at Lock and Dam 11 falling from 5.85 feet to about 4 feet. The Army Corps closed dams to hold a 9-foot channel, and Dubuque marinas were left with boats on dry land.
Officials attributed the sudden drop to low rainfall upstream.
Sharp drops in river level restrict barge loading and can slow grain movement on the upper river. This adds modest upward pressure on barge freight costs for Midwest grain shipments.
kcrg.comAllison Wong, KCRG-TV9Aug 23, 2018Not enough comparable past events yet for a historical read.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
