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Hydrograph River at a Glance Download
Cowlitz River at Kelso Stage (ft)Observed: 10.7 ft at 12:48AM May 22, 2015Observed: 10.7 ft at 1:03AM May 22, 2015Observed: 10.7 ft at 1:18AM May 22, 2015Observed: 10.7 ft at 1:33AM May 22, 2015Observed: 10.7 ft at 1:48AM May 22, 2015Observed: 10.7 ft at 2:03AM May 22, 2015Observed: 10.7 ft at 2:18AM May 22, 2015Observed: 10.7 ft at 2:33AM May 22, 2015Observed: 10.7 ft at 2:48AM May 22, 2015Observed: 10.7 ft at 3:03AM May 22, 2015Observed: 10.7 ft at 3:18AM May 22, 2015Observed: 10.7 ft at 3:33AM May 22, 2015Observed: 10.7 ft at 3:48AM May 22, 2015Observed: 10.7 ft at 4:03AM May 22, 2015Observed: 10.7 ft at 4:18AM May 22, 2015Observed: 10.7 ft at 4:33AM May 22, 2015Observed: 10.7 ft at 4:48AM May 22, 2015Observed: 10.7 ft at 5:03AM May 22, 2015Observed: 10.7 ft at 5:18AM May 22, 2015Observed: 10.8 ft at 5:33AM May 22, 2015Observed: 10.9 ft at 5:48AM May 22, 2015Observed: 11 ft at 6:03AM May 22, 2015Observed: 11 ft at 6:18AM May 22, 2015Observed: 11.1 ft at 6:33AM May 22, 2015Highest Observation: 11.2 ft at 6:48AM May 22, 2015Highest Observation: 11.2 ft at 7:03AM May 22, 2015Highest Observation: 11.2 ft at 7:18AM May 22, 2015Highest Observation: 11.2 ft at 7:33AM May 22, 2015Highest Observation: 11.2 ft at 7:48AM May 22, 2015Highest Observation: 11.2 ft at 8:03AM May 22, 2015Highest Observation: 11.2 ft at 8:18AM May 22, 2015Observed: 11.1 ft at 8:33AM May 22, 2015Observed: 11.1 ft at 8:48AM May 22, 2015Observed: 11 ft at 9:03AM May 22, 2015Observed: 11 ft at 9:18AM May 22, 2015Observed: 11 ft at 9:33AM May 22, 2015Observed: 10.9 ft at 9:48AM May 22, 2015Observed: 10.9 ft at 10:03AM May 22, 2015Observed: 10.9 ft at 10:18AM May 22, 2015Observed: 10.8 ft at 10:33AM May 22, 2015Observed: 10.8 ft at 10:48AM May 22, 2015Observed: 10.8 ft at 11:03AM May 22, 2015Observed: 10.8 ft at 11:18AM May 22, 2015Observed: 10.8 ft at 11:33AM May 22, 2015Observed: 10.7 ft at 11:48AM May 22, 2015Observed: 10.7 ft at 12:03PM May 22, 2015Observed: 10.7 ft at 12:18PM May 22, 2015Observed: 10.7 ft at 12:33PM May 22, 2015Observed: 10.7 ft at 12:48PM May 22, 2015Observed: 10.7 ft at 1:03PM May 22, 2015Observed: 10.7 ft at 1:18PM May 22, 2015Observed: 10.7 ft at 1:33PM May 22, 2015Observed: 10.7 ft at 1:48PM May 22, 2015Observed: 10.6 ft at 2:03PM May 22, 2015Observed: 10.6 ft at 2:18PM May 22, 2015Observed: 10.6 ft at 2:33PM May 22, 2015Observed: 10.6 ft at 2:48PM May 22, 2015Observed: 10.6 ft at 3:03PM May 22, 2015Observed: 10.6 ft at 3:18PM May 22, 2015Observed: 10.6 ft at 3:33PM May 22, 2015Observed: 10.6 ft at 3:48PM May 22, 2015Observed: 10.6 ft at 4:03PM May 22, 2015Observed: 10.6 ft at 4:18PM May 22, 2015Observed: 10.6 ft at 4:33PM May 22, 2015Observed: 10.6 ft at 4:48PM May 22, 2015Observed: 10.6 ft at 5:03PM May 22, 2015Observed: 10.6 ft at 5:18PM May 22, 2015Observed: 10.6 ft at 5:33PM May 22, 2015Observed: 10.6 ft at 5:48PM May 22, 2015Observed: 10.6 ft at 6:03PM May 22, 2015Observed: 10.6 ft at 6:18PM May 22, 2015Observed: 10.6 ft at 6:33PM May 22, 2015Observed: 10.6 ft at 6:48PM May 22, 2015Observed: 10.6 ft at 7:03PM May 22, 2015Observed: 10.7 ft at 7:18PM May 22, 2015Observed: 10.7 ft at 7:33PM May 22, 2015Observed: 10.7 ft at 7:48PM May 22, 2015Observed: 10.8 ft at 8:03PM May 22, 2015Observed: 10.8 ft at 8:18PM May 22, 2015Observed: 10.8 ft at 8:33PM May 22, 2015Observed: 10.8 ft at 8:48PM May 22, 2015Observed: 10.9 ft at 9:03PM May 22, 2015Observed: 10.9 ft at 9:18PM May 22, 2015Observed: 10.9 ft at 9:33PM May 22, 2015Observed: 10.9 ft at 9:48PM May 22, 2015Observed: 10.8 ft at 10:03PM May 22, 2015Observed: 10.8 ft at 10:18PM May 22, 2015Observed: 10.8 ft at 10:33PM May 22, 2015Observed: 10.8 ft at 10:48PM May 22, 2015Observed: 10.8 ft at 11:03PM May 22, 2015Observed: 10.8 ft at 11:18PM May 22, 2015Observed: 10.7 ft at 11:33PM May 22, 2015Observed: 10.7 ft at 11:48PM May 22, 2015Observed: 10.7 ft at 12:03AM May 23, 2015Observed: 10.7 ft at 12:17AM May 23, 2015Observed: 10.7 ft at 12:32AM May 23, 2015Observed: 10.7 ft at 12:48AM May 23, 2015Observed: 10.7 ft at 1:03AM May 23, 2015Observed: 10.7 ft at 1:18AM May 23, 2015Observed: 10.7 ft at 1:33AM May 23, 2015Observed: 10.7 ft at 1:48AM May 23, 2015Observed: 10.7 ft at 2:03AM May 23, 2015Observed: 10.6 ft at 2:18AM May 23, 2015Observed: 10.6 ft at 2:33AM May 23, 2015Observed: 10.6 ft at 2:48AM May 23, 2015Observed: 10.6 ft at 3:03AM May 23, 2015Observed: 10.6 ft at 3:18AM May 23, 2015Observed: 10.6 ft at 3:33AM May 23, 2015Observed: 10.6 ft at 3:48AM May 23, 2015Observed: 10.6 ft at 4:03AM May 23, 2015Observed: 10.6 ft at 4:18AM May 23, 2015Observed: 10.6 ft at 4:33AM May 23, 2015Observed: 10.6 ft at 4:48AM May 23, 2015Observed: 10.6 ft at 5:03AM May 23, 2015Observed: 10.6 ft at 5:18AM May 23, 2015Observed: 10.6 ft at 5:33AM May 23, 2015Observed: 10.6 ft at 5:48AM May 23, 2015Observed: 10.6 ft at 6:03AM May 23, 2015Observed: 10.7 ft at 6:18AM May 23, 2015Observed: 10.7 ft at 6:33AM May 23, 2015Observed: 10.7 ft at 6:48AM May 23, 2015Observed: 10.8 ft at 7:03AM May 23, 2015Observed: 10.8 ft at 7:18AM May 23, 2015Observed: 10.8 ft at 7:33AM May 23, 2015Observed: 10.9 ft at 7:48AM May 23, 2015Observed: 10.9 ft at 8:03AM May 23, 2015Observed: 10.9 ft at 8:18AM May 23, 2015Observed: 10.9 ft at 8:33AM May 23, 2015Observed: 10.9 ft at 8:48AM May 23, 2015Observed: 10.9 ft at 9:03AM May 23, 2015Observed: 10.9 ft at 9:18AM May 23, 2015Observed: 10.8 ft at 9:33AM May 23, 2015Observed: 10.8 ft at 9:48AM May 23, 2015Observed: 10.8 ft at 10:03AM May 23, 2015Observed: 10.8 ft at 10:18AM May 23, 2015Observed: 10.7 ft at 10:33AM May 23, 2015Observed: 10.7 ft at 10:48AM May 23, 2015Observed: 10.7 ft at 11:03AM May 23, 2015Observed: 10.7 ft at 11:18AM May 23, 2015Observed: 10.7 ft at 11:33AM May 23, 2015Observed: 10.7 ft at 11:48AM May 23, 2015Observed: 10.7 ft at 12:03PM May 23, 2015Observed: 10.7 ft at 12:18PM May 23, 2015Observed: 10.7 ft at 12:33PM May 23, 2015Observed: 10.7 ft at 12:48PM May 23, 2015Observed: 10.6 ft at 1:03PM May 23, 2015Observed: 10.6 ft at 1:18PM May 23, 2015Observed: 10.6 ft at 1:33PM May 23, 2015Observed: 10.6 ft at 1:48PM May 23, 2015Observed: 10.6 ft at 2:03PM May 23, 2015Observed: 10.6 ft at 2:18PM May 23, 2015Observed: 10.6 ft at 2:33PM May 23, 2015Observed: 10.6 ft at 2:48PM May 23, 2015Observed: 10.6 ft at 3:03PM May 23, 2015Observed: 10.6 ft at 3:18PM May 23, 2015Observed: 10.6 ft at 3:33PM May 23, 2015Observed: 10.6 ft at 3:48PM May 23, 2015Observed: 10.6 ft at 4:03PM May 23, 2015Observed: 10.6 ft at 4:18PM May 23, 2015Observed: 10.6 ft at 4:33PM May 23, 2015Observed: 10.6 ft at 4:48PM May 23, 2015Observed: 10.6 ft at 5:03PM May 23, 2015Observed: 10.6 ft at 5:18PM May 23, 2015Observed: 10.6 ft at 5:33PM May 23, 2015Observed: 10.6 ft at 5:48PM May 23, 2015Observed: 10.6 ft at 6:03PM May 23, 2015Observed: 10.6 ft at 6:18PM May 23, 2015Observed: 10.6 ft at 6:33PM May 23, 2015Observed: 10.6 ft at 6:48PM May 23, 2015Observed: 10.6 ft at 7:03PM May 23, 2015Observed: 10.6 ft at 7:18PM May 23, 2015Observed: 10.6 ft at 7:33PM May 23, 2015Observed: 10.6 ft at 7:48PM May 23, 2015Observed: 10.6 ft at 8:03PM May 23, 2015Observed: 10.7 ft at 8:18PM May 23, 2015Observed: 10.7 ft at 8:33PM May 23, 2015Observed: 10.7 ft at 8:48PM May 23, 2015Observed: 10.7 ft at 9:03PM May 23, 2015Observed: 10.7 ft at 9:18PM May 23, 2015Observed: 10.7 ft at 9:33PM May 23, 2015Observed: 10.8 ft at 9:48PM May 23, 2015Observed: 10.8 ft at 10:03PM May 23, 2015Observed: 10.8 ft at 10:18PM May 23, 2015Observed: 10.8 ft at 10:33PM May 23, 2015Observed: 10.8 ft at 10:48PM May 23, 2015Observed: 10.7 ft at 11:03PM May 23, 2015Observed: 10.7 ft at 11:18PM May 23, 2015Observed: 10.7 ft at 11:33PM May 23, 2015Observed: 10.7 ft at 11:48PM May 23, 2015Observed: 10.7 ft at 12:03AM May 24, 2015Observed: 10.7 ft at 12:18AM May 24, 2015Observed: 10.7 ft at 12:33AM May 24, 2015Observed: 10.7 ft at 12:48AM May 24, 2015Observed: 10.7 ft at 1:03AM May 24, 2015Observed: 10.7 ft at 1:18AM May 24, 2015Observed: 10.7 ft at 1:33AM May 24, 2015Observed: 10.7 ft at 1:48AM May 24, 2015Observed: 10.6 ft at 2:03AM May 24, 2015Observed: 10.6 ft at 2:18AM May 24, 2015Observed: 10.6 ft at 2:33AM May 24, 2015Observed: 10.6 ft at 2:48AM May 24, 2015Observed: 10.6 ft at 3:03AM May 24, 2015Observed: 10.6 ft at 3:18AM May 24, 2015Observed: 10.6 ft at 3:33AM May 24, 2015Observed: 10.6 ft at 3:48AM May 24, 2015Observed: 10.6 ft at 4:03AM May 24, 2015Observed: 10.6 ft at 4:18AM May 24, 2015Observed: 10.6 ft at 4:33AM May 24, 2015Observed: 10.6 ft at 4:48AM May 24, 2015Observed: 10.6 ft at 5:03AM May 24, 2015Observed: 10.6 ft at 5:18AM May 24, 2015Observed: 10.6 ft at 5:33AM May 24, 2015Observed: 10.6 ft at 5:48AM May 24, 2015Observed: 10.6 ft at 6:03AM May 24, 2015Observed: 10.6 ft at 6:18AM May 24, 2015Observed: 10.6 ft at 6:33AM May 24, 2015Observed: 10.6 ft at 6:48AM May 24, 2015Observed: 10.6 ft at 7:03AM May 24, 2015Observed: 10.6 ft at 7:18AM May 24, 2015Observed: 10.6 ft at 7:33AM May 24, 2015Observed: 10.6 ft at 7:48AM May 24, 2015Observed: 10.7 ft at 8:03AM May 24, 2015Observed: 10.7 ft at 8:18AM May 24, 2015Observed: 10.7 ft at 8:33AM May 24, 2015Observed: 10.7 ft at 8:48AM May 24, 2015Observed: 10.7 ft at 9:03AM May 24, 2015Observed: 10.7 ft at 9:18AM May 24, 2015Observed: 10.7 ft at 9:33AM May 24, 2015Observed: 10.7 ft at 9:48AM May 24, 2015Observed: 10.7 ft at 10:03AM May 24, 2015Observed: 10.7 ft at 10:18AM May 24, 2015Observed: 10.7 ft at 10:33AM May 24, 2015Observed: 10.7 ft at 10:48AM May 24, 2015Observed: 10.7 ft at 11:03AM May 24, 2015Observed: 10.7 ft at 11:18AM May 24, 2015Observed: 10.7 ft at 11:33AM May 24, 2015Observed: 10.7 ft at 11:48AM May 24, 2015Observed: 10.6 ft at 12:03PM May 24, 2015Observed: 10.6 ft at 12:18PM May 24, 2015Observed: 10.6 ft at 12:33PM May 24, 2015Observed: 10.6 ft at 12:48PM May 24, 2015Observed: 10.6 ft at 1:03PM May 24, 2015Observed: 10.6 ft at 1:18PM May 24, 2015Observed: 10.6 ft at 1:33PM May 24, 2015Observed: 10.6 ft at 1:48PM May 24, 2015Observed: 10.6 ft at 2:03PM May 24, 2015Observed: 10.6 ft at 2:18PM May 24, 2015Observed: 10.6 ft at 2:33PM May 24, 2015Observed: 10.6 ft at 2:48PM May 24, 2015Observed: 10.6 ft at 3:03PM May 24, 2015Observed: 10.6 ft at 3:18PM May 24, 2015Observed: 10.6 ft at 3:33PM May 24, 2015Observed: 10.6 ft at 3:48PM May 24, 2015Observed: 10.6 ft at 4:03PM May 24, 2015Observed: 10.6 ft at 4:18PM May 24, 2015Observed: 10.6 ft at 4:33PM May 24, 2015Observed: 10.6 ft at 4:48PM May 24, 2015Observed: 10.6 ft at 5:03PM May 24, 2015Observed: 10.6 ft at 5:18PM May 24, 2015Observed: 10.6 ft at 5:33PM May 24, 2015Observed: 10.6 ft at 5:48PM May 24, 2015Observed: 10.6 ft at 6:03PM May 24, 2015Observed: 10.6 ft at 6:18PM May 24, 2015Observed: 10.6 ft at 6:33PM May 24, 2015Observed: 10.6 ft at 6:48PM May 24, 2015Observed: 10.6 ft at 7:03PM May 24, 2015Observed: 10.6 ft at 7:18PM May 24, 2015Observed: 10.6 ft at 7:33PM May 24, 2015Observed: 10.6 ft at 7:48PM May 24, 2015Observed: 10.6 ft at 8:03PM May 24, 2015Observed: 10.6 ft at 8:18PM May 24, 2015Observed: 10.6 ft at 8:33PM May 24, 2015Observed: 10.6 ft at 8:48PM May 24, 2015Observed: 10.6 ft at 9:03PM May 24, 2015Observed: 10.6 ft at 9:18PM May 24, 2015Observed: 10.7 ft at 9:33PM May 24, 2015Observed: 10.7 ft at 9:48PM May 24, 2015Observed: 10.7 ft at 10:03PM May 24, 2015Observed: 10.7 ft at 10:18PM May 24, 2015Observed: 10.7 ft at 10:33PM May 24, 2015Observed: 10.7 ft at 10:48PM May 24, 2015Observed: 10.7 ft at 11:03PM May 24, 2015Observed: 10.7 ft at 11:18PM May 24, 2015Observed: 10.7 ft at 11:33PM May 24, 2015Observed: 10.7 ft at 11:48PM May 24, 2015Observed: 10.7 ft at 12:03AM May 25, 2015Observed: 10.7 ft at 12:18AM May 25, 2015Observed: 10.7 ft at 12:33AM May 25, 2015Observed: 10.7 ft at 12:48AM May 25, 2015Observed: 10.7 ft at 1:03AM May 25, 2015Observed: 10.7 ft at 1:18AM May 25, 2015Observed: 10.7 ft at 1:33AM May 25, 2015Observed: 10.7 ft at 1:48AM May 25, 2015Observed: 10.7 ft at 2:18AM May 25, 2015Observed: 10.6 ft at 2:33AM May 25, 2015Observed: 10.6 ft at 2:48AM May 25, 2015Observed: 10.6 ft at 3:03AM May 25, 2015Observed: 10.6 ft at 3:18AM May 25, 2015Observed: 10.6 ft at 3:33AM May 25, 2015Observed: 10.6 ft at 3:48AM May 25, 2015Observed: 10.6 ft at 4:03AM May 25, 2015Observed: 10.6 ft at 4:18AM May 25, 2015Observed: 10.6 ft at 4:33AM May 25, 2015Observed: 10.6 ft at 4:48AM May 25, 2015Observed: 10.6 ft at 5:03AM May 25, 2015Observed: 10.6 ft at 5:18AM May 25, 2015Observed: 10.6 ft at 5:33AM May 25, 2015Observed: 10.6 ft at 5:48AM May 25, 2015Observed: 10.6 ft at 6:03AM May 25, 2015Observed: 10.6 ft at 6:18AM May 25, 2015Observed: 10.6 ft at 6:33AM May 25, 2015Observed: 10.6 ft at 6:48AM May 25, 2015Observed: 10.6 ft at 7:03AM May 25, 2015Observed: 10.6 ft at 7:18AM May 25, 2015Observed: 10.6 ft at 7:33AM May 25, 2015Observed: 10.6 ft at 7:48AM May 25, 2015Observed: 10.6 ft at 8:03AM May 25, 2015Observed: 10.6 ft at 8:18AM May 25, 2015Observed: 10.6 ft at 8:33AM May 25, 2015Observed: 10.6 ft at 8:48AM May 25, 2015Observed: 10.6 ft at 9:03AM May 25, 2015Observed: 10.6 ft at 9:18AM May 25, 2015Observed: 10.6 ft at 9:33AM May 25, 2015Observed: 10.7 ft at 9:48AM May 25, 2015Observed: 10.7 ft at 10:03AM May 25, 2015Observed: 10.7 ft at 10:18AM May 25, 2015Observed: 10.7 ft at 10:33AM May 25, 2015Observed: 10.7 ft at 10:48AM May 25, 2015Observed: 10.7 ft at 11:03AM May 25, 2015Observed: 10.7 ft at 11:18AM May 25, 2015Observed: 10.7 ft at 11:33AM May 25, 2015Observed: 10.7 ft at 11:48AM May 25, 2015Observed: 10.7 ft at 12:03PM May 25, 2015Observed: 10.7 ft at 12:18PM May 25, 2015Observed: 10.6 ft at 12:33PM May 25, 2015Observed: 10.6 ft at 12:48PM May 25, 2015Observed: 10.6 ft at 1:03PM May 25, 2015Observed: 10.6 ft at 1:18PM May 25, 2015Observed: 10.6 ft at 1:33PM May 25, 2015Observed: 10.6 ft at 1:48PM May 25, 2015Observed: 10.6 ft at 2:03PM May 25, 2015Observed: 10.6 ft at 2:18PM May 25, 2015Observed: 10.6 ft at 2:33PM May 25, 2015Observed: 10.6 ft at 2:48PM May 25, 2015Observed: 10.6 ft at 3:03PM May 25, 2015Observed: 10.6 ft at 3:18PM May 25, 2015Observed: 10.6 ft at 3:33PM May 25, 2015Observed: 10.6 ft at 3:48PM May 25, 2015Observed: 10.6 ft at 4:03PM May 25, 2015Observed: 10.6 ft at 4:18PM May 25, 2015Observed: 10.6 ft at 4:33PM May 25, 2015Observed: 10.6 ft at 4:48PM May 25, 2015Observed: 10.6 ft at 5:03PM May 25, 2015Observed: 10.6 ft at 5:18PM May 25, 2015Observed: 10.6 ft at 5:33PM May 25, 2015Observed: 10.6 ft at 5:48PM May 25, 2015Observed: 10.6 ft at 6:03PM May 25, 2015Observed: 10.6 ft at 6:18PM May 25, 2015Observed: 10.6 ft at 6:33PM May 25, 2015Observed: 10.6 ft at 6:48PM May 25, 2015Observed: 10.6 ft at 7:03PM May 25, 2015Observed: 10.6 ft at 7:18PM May 25, 2015Observed: 10.6 ft at 7:33PM May 25, 2015Observed: 10.6 ft at 7:48PM May 25, 2015Observed: 10.6 ft at 8:03PM May 25, 2015Observed: 10.6 ft at 8:18PM May 25, 2015Observed: 10.6 ft at 8:33PM May 25, 2015Observed: 10.6 ft at 8:48PM May 25, 2015Observed: 10.6 ft at 9:03PM May 25, 2015Observed: 10.6 ft at 9:18PM May 25, 2015Observed: 10.6 ft at 9:33PM May 25, 2015Observed: 10.6 ft at 9:48PM May 25, 2015Observed: 10.6 ft at 10:03PM May 25, 2015Observed: 10.7 ft at 10:18PM May 25, 2015Observed: 10.7 ft at 10:33PM May 25, 2015Observed: 10.7 ft at 10:48PM May 25, 2015Observed: 10.7 ft at 11:03PM May 25, 2015Observed: 10.7 ft at 11:18PM May 25, 2015Observed: 10.7 ft at 11:33PM May 25, 2015Observed: 10.8 ft at 11:48PM May 25, 2015Observed: 10.8 ft at 12:03AM May 26, 2015Observed: 10.7 ft at 12:18AM May 26, 2015Observed: 10.7 ft at 12:33AM May 26, 2015Observed: 10.7 ft at 12:48AM May 26, 2015Observed: 10.7 ft at 1:03AM May 26, 2015Observed: 10.7 ft at 1:18AM May 26, 2015Observed: 10.7 ft at 1:33AM May 26, 2015Observed: 10.7 ft at 1:48AM May 26, 2015Observed: 10.7 ft at 2:03AM May 26, 2015Observed: 10.7 ft at 2:18AM May 26, 2015Observed: 10.7 ft at 2:33AM May 26, 2015Observed: 10.7 ft at 2:48AM May 26, 2015Observed: 10.6 ft at 3:03AM May 26, 2015Observed: 10.6 ft at 3:18AM May 26, 2015Observed: 10.6 ft at 3:33AM May 26, 2015Observed: 10.6 ft at 3:48AM May 26, 2015Observed: 10.6 ft at 4:03AM May 26, 2015Observed: 10.6 ft at 4:18AM May 26, 2015Observed: 10.6 ft at 4:33AM May 26, 2015Observed: 10.6 ft at 4:48AM May 26, 2015Observed: 10.6 ft at 5:03AM May 26, 2015Observed: 10.6 ft at 5:18AM May 26, 2015Observed: 10.6 ft at 5:33AM May 26, 2015Observed: 10.6 ft at 5:48AM May 26, 2015Observed: 10.6 ft at 6:03AM May 26, 2015Observed: 10.6 ft at 6:18AM May 26, 2015Observed: 10.6 ft at 6:33AM May 26, 2015Observed: 10.6 ft at 6:48AM May 26, 2015Observed: 10.6 ft at 7:03AM May 26, 2015Observed: 10.6 ft at 7:18AM May 26, 2015Observed: 10.6 ft at 7:33AM May 26, 2015Observed: 10.6 ft at 7:48AM May 26, 2015Observed: 10.6 ft at 8:03AM May 26, 2015Observed: 10.6 ft at 8:18AM May 26, 2015Observed: 10.6 ft at 8:33AM May 26, 2015Observed: 10.6 ft at 8:48AM May 26, 2015Observed: 10.6 ft at 9:03AM May 26, 2015Observed: 10.6 ft at 9:18AM May 26, 2015Observed: 10.6 ft at 9:33AM May 26, 2015Observed: 10.6 ft at 9:48AM May 26, 2015Observed: 10.6 ft at 10:03AM May 26, 2015Observed: 10.6 ft at 10:18AM May 26, 2015Observed: 10.6 ft at 10:33AM May 26, 2015Observed: 10.6 ft at 10:48AM May 26, 2015Observed: 10.6 ft at 11:03AM May 26, 2015Observed: 10.6 ft at 11:18AM May 26, 2015Observed: 10.6 ft at 11:33AM May 26, 2015Observed: 10.6 ft at 12:03PM May 26, 2015Observed: 10.6 ft at 12:18PM May 26, 2015Observed: 10.6 ft at 12:33PM May 26, 2015Observed: 10.6 ft at 12:48PM May 26, 2015Observed: 10.6 ft at 1:03PM May 26, 2015Observed: 10.6 ft at 1:18PM May 26, 2015Observed: 10.6 ft at 1:33PM May 26, 2015Observed: 10.6 ft at 1:48PM May 26, 2015Observed: 10.6 ft at 2:03PM May 26, 2015Observed: 10.6 ft at 2:18PM May 26, 2015Observed: 10.6 ft at 2:33PM May 26, 2015Observed: 10.6 ft at 2:48PM May 26, 2015Observed: 10.6 ft at 3:03PM May 26, 2015Observed: 10.6 ft at 3:18PM May 26, 2015Observed: 10.6 ft at 3:33PM May 26, 2015Observed: 10.6 ft at 3:48PM May 26, 2015Observed: 10.6 ft at 4:03PM May 26, 2015Observed: 10.6 ft at 4:18PM May 26, 2015Observed: 10.6 ft at 4:33PM May 26, 2015Observed: 10.6 ft at 4:48PM May 26, 2015Observed: 10.6 ft at 5:03PM May 26, 2015Observed: 10.6 ft at 5:18PM May 26, 2015Observed: 10.6 ft at 5:33PM May 26, 2015Observed: 10.6 ft at 5:48PM May 26, 2015Observed: 10.6 ft at 6:03PM May 26, 2015Observed: 10.6 ft at 6:18PM May 26, 2015Observed: 10.6 ft at 6:33PM May 26, 2015Observed: 10.6 ft at 6:48PM May 26, 2015Observed: 10.6 ft at 7:03PM May 26, 2015Observed: 10.6 ft at 7:18PM May 26, 2015Observed: 10.6 ft at 7:33PM May 26, 2015Observed: 10.6 ft at 7:48PM May 26, 2015Observed: 10.6 ft at 8:03PM May 26, 2015Observed: 10.6 ft at 8:18PM May 26, 2015Observed: 10.6 ft at 8:33PM May 26, 2015Observed: 10.6 ft at 8:48PM May 26, 2015Observed: 10.6 ft at 9:03PM May 26, 2015Observed: 10.6 ft at 9:18PM May 26, 2015Observed: 10.6 ft at 9:33PM May 26, 2015Observed: 10.6 ft at 9:48PM May 26, 2015Observed: 10.6 ft at 10:03PM May 26, 2015Observed: 10.6 ft at 10:18PM May 26, 2015Observed: 10.6 ft at 10:33PM May 26, 2015Observed: 10.6 ft at 10:48PM May 26, 2015Observed: 10.6 ft at 11:03PM May 26, 2015Observed: 10.7 ft at 11:18PM May 26, 2015Observed: 10.7 ft at 11:33PM May 26, 2015Observed: 10.7 ft at 11:48PM May 26, 2015Observed: 10.7 ft at 12:03AM May 27, 2015Observed: 10.7 ft at 12:18AM May 27, 2015Observed: 10.7 ft at 12:33AM May 27, 2015Forecast: 10.63 ft 1:00AM May 27, 2015Forecast: 10.63 ft 2:00AM May 27, 2015Forecast: 10.66 ft 3:00AM May 27, 2015Forecast: 10.63 ft 4:00AM May 27, 2015Forecast: 10.63 ft 5:00AM May 27, 2015Forecast: 10.63 ft 6:00AM May 27, 2015Forecast: 10.63 ft 7:00AM May 27, 2015Forecast: 10.59 ft 8:00AM May 27, 2015Forecast: 10.59 ft 9:00AM May 27, 2015Forecast: 10.59 ft 10:00AM May 27, 2015Forecast: 10.59 ft 11:00AM May 27, 2015Forecast: 10.59 ft 12:00PM May 27, 2015Forecast: 10.59 ft 1:00PM May 27, 2015Forecast: 10.59 ft 2:00PM May 27, 2015Forecast: 10.59 ft 3:00PM May 27, 2015Forecast: 10.59 ft 4:00PM May 27, 2015Forecast: 10.59 ft 5:00PM May 27, 2015Forecast: 10.59 ft 6:00PM May 27, 2015Forecast: 10.59 ft 7:00PM May 27, 2015Forecast: 10.59 ft 8:00PM May 27, 2015Forecast: 10.56 ft 9:00PM May 27, 2015Forecast: 10.56 ft 10:00PM May 27, 2015Forecast: 10.56 ft 11:00PM May 27, 2015Forecast: 10.56 ft 12:00AM May 28, 2015Forecast: 10.59 ft 1:00AM May 28, 2015Forecast: 10.63 ft 2:00AM May 28, 2015Forecast: 10.63 ft 3:00AM May 28, 2015Forecast: 10.66 ft 4:00AM May 28, 2015Forecast: 10.63 ft 5:00AM May 28, 2015Forecast: 10.63 ft 6:00AM May 28, 2015Forecast: 10.63 ft 7:00AM May 28, 2015Forecast: 10.63 ft 8:00AM May 28, 2015Forecast: 10.59 ft 9:00AM May 28, 2015Forecast: 10.59 ft 10:00AM May 28, 2015Forecast: 10.59 ft 11:00AM May 28, 2015Forecast: 10.56 ft 12:00PM May 28, 2015Forecast: 10.56 ft 1:00PM May 28, 2015Forecast: 10.59 ft 2:00PM May 28, 2015Forecast: 10.59 ft 3:00PM May 28, 2015Forecast: 10.59 ft 4:00PM May 28, 2015Forecast: 10.59 ft 5:00PM May 28, 2015Forecast: 10.59 ft 6:00PM May 28, 2015Forecast: 10.59 ft 7:00PM May 28, 2015Forecast: 10.59 ft 8:00PM May 28, 2015Forecast: 10.56 ft 9:00PM May 28, 2015Forecast: 10.56 ft 10:00PM May 28, 2015Forecast: 10.56 ft 11:00PM May 28, 2015Forecast: 10.56 ft 12:00AM May 29, 2015Forecast: 10.59 ft 1:00AM May 29, 2015Forecast: 10.63 ft 2:00AM May 29, 2015Forecast: 10.63 ft 3:00AM May 29, 2015Forecast: 10.66 ft 4:00AM May 29, 2015Forecast: 10.66 ft 5:00AM May 29, 2015Forecast: 10.63 ft 6:00AM May 29, 2015Forecast: 10.63 ft 7:00AM May 29, 2015Forecast: 10.63 ft 8:00AM May 29, 2015Forecast: 10.59 ft 9:00AM May 29, 2015Forecast: 10.59 ft 10:00AM May 29, 2015Forecast: 10.59 ft 11:00AM May 29, 2015Forecast: 10.56 ft 12:00PM May 29, 2015Forecast: 10.56 ft 1:00PM May 29, 2015Forecast: 10.56 ft 2:00PM May 29, 2015Forecast: 10.59 ft 3:00PM May 29, 2015Forecast: 10.59 ft 4:00PM May 29, 2015Forecast: 10.59 ft 5:00PM May 29, 2015Forecast: 10.59 ft 6:00PM May 29, 2015Forecast: 10.59 ft 7:00PM May 29, 2015Forecast: 10.59 ft 8:00PM May 29, 2015Forecast: 10.59 ft 9:00PM May 29, 2015Forecast: 10.56 ft 10:00PM May 29, 2015Forecast: 10.56 ft 11:00PM May 29, 2015Forecast: 10.56 ft 12:00AM May 30, 2015Forecast: 10.59 ft 1:00AM May 30, 2015Forecast: 10.63 ft 2:00AM May 30, 2015Forecast: 10.66 ft 3:00AM May 30, 2015Forecast: 10.66 ft 4:00AM May 30, 2015Forecast: 10.66 ft 5:00AM May 30, 2015Forecast: 10.66 ft 6:00AM May 30, 2015Forecast: 10.63 ft 7:00AM May 30, 2015Forecast: 10.63 ft 8:00AM May 30, 2015Forecast: 10.63 ft 9:00AM May 30, 2015Forecast: 10.59 ft 10:00AM May 30, 2015Forecast: 10.59 ft 11:00AM May 30, 2015Forecast: 10.56 ft 12:00PM May 30, 2015Forecast: 10.56 ft 1:00PM May 30, 2015Forecast: 10.56 ft 2:00PM May 30, 2015Forecast: 10.56 ft 3:00PM May 30, 2015Forecast: 10.59 ft 4:00PM May 30, 2015Forecast: 10.59 ft 5:00PM May 30, 2015Forecast: 10.59 ft 6:00PM May 30, 2015Forecast: 10.59 ft 7:00PM May 30, 2015Forecast: 10.59 ft 8:00PM May 30, 2015Forecast: 10.59 ft 9:00PM May 30, 2015Forecast: 10.59 ft 10:00PM May 30, 2015Forecast: 10.56 ft 11:00PM May 30, 2015Forecast: 10.56 ft 12:00AM May 31, 2015Forecast: 10.56 ft 1:00AM May 31, 2015Forecast: 10.59 ft 2:00AM May 31, 2015Forecast: 10.63 ft 3:00AM May 31, 2015Forecast: 10.66 ft 4:00AM May 31, 2015Highest Forecast: 10.7 ft 5:00AM May 31, 2015Highest Forecast: 10.7 ft 6:00AM May 31, 2015Forecast: 10.66 ft 7:00AM May 31, 2015Forecast: 10.66 ft 8:00AM May 31, 2015Forecast: 10.63 ft 9:00AM May 31, 2015Forecast: 10.63 ft 10:00AM May 31, 2015Forecast: 10.59 ft 11:00AM May 31, 2015Forecast: 10.59 ft 12:00PM May 31, 2015Forecast: 10.59 ft 1:00PM May 31, 2015Forecast: 10.56 ft 2:00PM May 31, 2015Forecast: 10.56 ft 3:00PM May 31, 2015Forecast: 10.59 ft 4:00PM May 31, 2015Forecast: 10.59 ft 5:00PM May 31, 2015Forecast: 10.63 ft 6:00PM May 31, 2015Forecast: 10.63 ft 7:00PM May 31, 2015Forecast: 10.63 ft 8:00PM May 31, 2015Forecast: 10.59 ft 9:00PM May 31, 2015Forecast: 10.59 ft 10:00PM May 31, 2015Forecast: 10.59 ft 11:00PM May 31, 2015Forecast: 10.56 ft 12:00AM Jun 01, 2015KELW1(plotting HGIRR) Graph Created (12:48AM May 27, 2015)ObservedForecast (issued 1:15PM May 26)Latest observed value: 10.7 ft at 12:33 AM PDT 27-May-2015. Flood Stage is 21.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Cowlitz River at Kelso are issued routinely year-round.
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Upstream Gauge - at Castle Rock Upstream Gauge Downstream Gauge Downstream Gauge - at Longview
Flood Categories (in feet)
Major Flood Stage: 26.5
Moderate Flood Stage: 24.5
Flood Stage: 21.5
Action Stage: 19.5
Low Stage (in feet): 0

Historic Crests
(1) 29.50 ft on 02/09/1996
(2) 28.86 ft on 12/23/1933
(3) 27.00 ft on 11/30/1995
(4) 24.30 ft on 06/10/1948
(5) 24.20 ft on 01/08/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.50 ft on 01/17/2011
(2) 24.20 ft on 01/08/2009
(3) 21.70 ft on 12/04/2007
(4) 23.10 ft on 11/07/2006
(5) 23.10 ft on 01/30/2006
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
28.5 Above 28.5 ft, Major flooding in Kelso occurs, including residential and business areas. Numerous roads are flooded and closed, and levees may be subject to erosion and overtopping at this level.
26.5 Above 26.5 ft, Some flooding of business and residential areas occurs in Kelso. Numerous road closures can be expected. The top of some levees are approached at this level.
24.5 Above 24.5 ft, Flooding of a few residential areas in Kelso begins. Also expect widespread flooding of pasture land and low lying roads.
21.5 Above 21.5 ft, Flooding of several low lying and secondary roads begins, including the Cowlitz Gardens neighborhood, along with flooding of pasture and lowland upstream of Kelso.
19.5 At 19.5 ft, The river is at bankfull level.
About This Location Collapse

Latitude: 46.142500° N, Longitude: 122.916111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 21.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 0.0 21.5 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Vertical datum: Mean Sea Level, NAVD88
Archived/Historical Data at USACE DataQuery
10-day Forecast/Trend, Northwest River Forecast Center
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Portland Weather Forecast Office
5241 NE 122nd Avenue
Portland, OR 97230-1089
(503) 261-9246
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Page last modified: 12-Feb-2015 9:31 PM
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