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Hydrograph River at a Glance Download
Columbia River at St. Helens Stage (ft)Observed: 6.67 ft at 9:24AM Jun 08, 2021Observed: 6.65 ft at 9:30AM Jun 08, 2021Observed: 6.62 ft at 9:36AM Jun 08, 2021Observed: 6.59 ft at 9:42AM Jun 08, 2021Observed: 6.57 ft at 9:48AM Jun 08, 2021Observed: 6.54 ft at 9:54AM Jun 08, 2021Observed: 6.53 ft at 10:00AM Jun 08, 2021Observed: 6.5 ft at 10:06AM Jun 08, 2021Observed: 6.48 ft at 10:12AM Jun 08, 2021Observed: 6.45 ft at 10:18AM Jun 08, 2021Observed: 6.42 ft at 10:24AM Jun 08, 2021Observed: 6.4 ft at 10:30AM Jun 08, 2021Observed: 6.38 ft at 10:36AM Jun 08, 2021Observed: 6.36 ft at 10:42AM Jun 08, 2021Observed: 6.34 ft at 10:48AM Jun 08, 2021Observed: 6.32 ft at 10:54AM Jun 08, 2021Observed: 6.28 ft at 11:00AM Jun 08, 2021Observed: 6.26 ft at 11:06AM Jun 08, 2021Observed: 6.23 ft at 11:12AM Jun 08, 2021Observed: 6.21 ft at 11:18AM Jun 08, 2021Observed: 6.19 ft at 11:24AM Jun 08, 2021Observed: 6.16 ft at 11:30AM Jun 08, 2021Observed: 6.15 ft at 11:36AM Jun 08, 2021Observed: 6.14 ft at 11:42AM Jun 08, 2021Observed: 6.11 ft at 11:48AM Jun 08, 2021Observed: 6.09 ft at 11:54AM Jun 08, 2021Observed: 6.07 ft at 12:00PM Jun 08, 2021Observed: 6.05 ft at 12:06PM Jun 08, 2021Observed: 6.03 ft at 12:12PM Jun 08, 2021Observed: 6 ft at 12:18PM Jun 08, 2021Observed: 6 ft at 12:24PM Jun 08, 2021Observed: 5.99 ft at 12:30PM Jun 08, 2021Observed: 5.97 ft at 12:36PM Jun 08, 2021Observed: 5.96 ft at 12:42PM Jun 08, 2021Observed: 5.95 ft at 12:48PM Jun 08, 2021Observed: 5.94 ft at 12:54PM Jun 08, 2021Observed: 5.94 ft at 1:00PM Jun 08, 2021Observed: 5.91 ft at 1:06PM Jun 08, 2021Observed: 5.91 ft at 1:12PM Jun 08, 2021Observed: 5.9 ft at 1:18PM Jun 08, 2021Observed: 5.9 ft at 1:24PM Jun 08, 2021Observed: 5.9 ft at 1:30PM Jun 08, 2021Observed: 5.91 ft at 1:36PM Jun 08, 2021Observed: 5.91 ft at 1:42PM Jun 08, 2021Observed: 5.93 ft at 1:48PM Jun 08, 2021Observed: 5.93 ft at 1:54PM Jun 08, 2021Observed: 5.94 ft at 2:00PM Jun 08, 2021Observed: 5.96 ft at 2:06PM Jun 08, 2021Observed: 5.98 ft at 2:12PM Jun 08, 2021Observed: 6 ft at 2:18PM Jun 08, 2021Observed: 6.03 ft at 2:24PM Jun 08, 2021Observed: 6.06 ft at 2:30PM Jun 08, 2021Observed: 6.1 ft at 2:36PM Jun 08, 2021Observed: 6.14 ft at 2:42PM Jun 08, 2021Observed: 6.17 ft at 2:48PM Jun 08, 2021Observed: 6.21 ft at 2:54PM Jun 08, 2021Observed: 6.26 ft at 3:00PM Jun 08, 2021Observed: 6.31 ft at 3:06PM Jun 08, 2021Observed: 6.35 ft at 3:12PM Jun 08, 2021Observed: 6.38 ft at 3:18PM Jun 08, 2021Observed: 6.43 ft at 3:24PM Jun 08, 2021Observed: 6.42 ft at 3:30PM Jun 08, 2021Observed: 6.48 ft at 3:36PM Jun 08, 2021Observed: 6.54 ft at 3:42PM Jun 08, 2021Observed: 6.56 ft at 3:48PM Jun 08, 2021Observed: 6.63 ft at 3:54PM Jun 08, 2021Observed: 6.68 ft at 4:00PM Jun 08, 2021Observed: 6.7 ft at 4:06PM Jun 08, 2021Observed: 6.74 ft at 4:12PM Jun 08, 2021Observed: 6.73 ft at 4:18PM Jun 08, 2021Observed: 6.76 ft at 4:24PM Jun 08, 2021Observed: 6.77 ft at 4:30PM Jun 08, 2021Observed: 6.8 ft at 4:36PM Jun 08, 2021Observed: 6.81 ft at 4:42PM Jun 08, 2021Observed: 6.84 ft at 4:48PM Jun 08, 2021Observed: 6.85 ft at 5:00PM Jun 08, 2021Observed: 6.85 ft at 5:06PM Jun 08, 2021Observed: 6.84 ft at 5:12PM Jun 08, 2021Observed: 6.83 ft at 5:18PM Jun 08, 2021Observed: 6.82 ft at 5:24PM Jun 08, 2021Observed: 6.81 ft at 5:30PM Jun 08, 2021Observed: 6.8 ft at 5:36PM Jun 08, 2021Observed: 6.79 ft at 5:42PM Jun 08, 2021Observed: 6.79 ft at 5:48PM Jun 08, 2021Observed: 6.77 ft at 5:54PM Jun 08, 2021Observed: 6.76 ft at 6:00PM Jun 08, 2021Observed: 6.75 ft at 6:06PM Jun 08, 2021Observed: 6.74 ft at 6:12PM Jun 08, 2021Observed: 6.73 ft at 6:18PM Jun 08, 2021Observed: 6.71 ft at 6:24PM Jun 08, 2021Observed: 6.7 ft at 6:30PM Jun 08, 2021Observed: 6.69 ft at 6:36PM Jun 08, 2021Observed: 6.68 ft at 6:42PM Jun 08, 2021Observed: 6.67 ft at 6:48PM Jun 08, 2021Observed: 6.65 ft at 6:54PM Jun 08, 2021Observed: 6.63 ft at 7:00PM Jun 08, 2021Observed: 6.62 ft at 7:06PM Jun 08, 2021Observed: 6.61 ft at 7:12PM Jun 08, 2021Observed: 6.58 ft at 7:18PM Jun 08, 2021Observed: 6.56 ft at 7:24PM Jun 08, 2021Observed: 6.56 ft at 7:30PM Jun 08, 2021Observed: 6.55 ft at 7:36PM Jun 08, 2021Observed: 6.53 ft at 7:42PM Jun 08, 2021Observed: 6.52 ft at 7:48PM Jun 08, 2021Observed: 6.49 ft at 7:54PM Jun 08, 2021Observed: 6.48 ft at 8:00PM Jun 08, 2021Observed: 6.46 ft at 8:06PM Jun 08, 2021Observed: 6.43 ft at 8:12PM Jun 08, 2021Observed: 6.4 ft at 8:18PM Jun 08, 2021Observed: 6.38 ft at 8:24PM Jun 08, 2021Observed: 6.36 ft at 8:30PM Jun 08, 2021Observed: 6.33 ft at 8:36PM Jun 08, 2021Observed: 6.3 ft at 8:42PM Jun 08, 2021Observed: 6.28 ft at 8:48PM Jun 08, 2021Observed: 6.26 ft at 8:54PM Jun 08, 2021Observed: 6.24 ft at 9:00PM Jun 08, 2021Observed: 6.21 ft at 9:06PM Jun 08, 2021Observed: 6.2 ft at 9:12PM Jun 08, 2021Observed: 6.18 ft at 9:18PM Jun 08, 2021Observed: 6.16 ft at 9:24PM Jun 08, 2021Observed: 6.14 ft at 9:30PM Jun 08, 2021Observed: 6.12 ft at 9:36PM Jun 08, 2021Observed: 6.1 ft at 9:42PM Jun 08, 2021Observed: 6.07 ft at 9:48PM Jun 08, 2021Observed: 6.06 ft at 9:54PM Jun 08, 2021Observed: 6.05 ft at 10:00PM Jun 08, 2021Observed: 6.02 ft at 10:06PM Jun 08, 2021Observed: 6.01 ft at 10:12PM Jun 08, 2021Observed: 5.99 ft at 10:18PM Jun 08, 2021Observed: 5.97 ft at 10:24PM Jun 08, 2021Observed: 5.95 ft at 10:30PM Jun 08, 2021Observed: 5.93 ft at 10:36PM Jun 08, 2021Observed: 5.92 ft at 10:42PM Jun 08, 2021Observed: 5.91 ft at 10:48PM Jun 08, 2021Observed: 5.89 ft at 10:54PM Jun 08, 2021Observed: 5.87 ft at 11:00PM Jun 08, 2021Observed: 5.85 ft at 11:06PM Jun 08, 2021Observed: 5.83 ft at 11:12PM Jun 08, 2021Observed: 5.82 ft at 11:18PM Jun 08, 2021Observed: 5.82 ft at 11:24PM Jun 08, 2021Observed: 5.82 ft at 11:30PM Jun 08, 2021Observed: 5.81 ft at 11:36PM Jun 08, 2021Observed: 5.78 ft at 11:42PM Jun 08, 2021Observed: 5.78 ft at 11:48PM Jun 08, 2021Observed: 5.75 ft at 11:54PM Jun 08, 2021Observed: 5.76 ft at 12:00AM Jun 09, 2021Observed: 5.77 ft at 12:06AM Jun 09, 2021Observed: 5.78 ft at 12:12AM Jun 09, 2021Observed: 5.79 ft at 12:18AM Jun 09, 2021Observed: 5.79 ft at 12:24AM Jun 09, 2021Observed: 5.81 ft at 12:30AM Jun 09, 2021Observed: 5.82 ft at 12:36AM Jun 09, 2021Observed: 5.84 ft at 12:42AM Jun 09, 2021Observed: 5.87 ft at 12:48AM Jun 09, 2021Observed: 5.91 ft at 12:54AM Jun 09, 2021Observed: 5.93 ft at 1:00AM Jun 09, 2021Observed: 5.98 ft at 1:06AM Jun 09, 2021Observed: 5.96 ft at 1:12AM Jun 09, 2021Observed: 5.99 ft at 1:18AM Jun 09, 2021Observed: 6.08 ft at 1:24AM Jun 09, 2021Observed: 6.14 ft at 1:30AM Jun 09, 2021Observed: 6.22 ft at 1:36AM Jun 09, 2021Observed: 6.28 ft at 1:42AM Jun 09, 2021Observed: 6.34 ft at 1:48AM Jun 09, 2021Observed: 6.38 ft at 1:54AM Jun 09, 2021Observed: 6.43 ft at 2:00AM Jun 09, 2021Observed: 6.48 ft at 2:06AM Jun 09, 2021Observed: 6.54 ft at 2:12AM Jun 09, 2021Observed: 6.6 ft at 2:18AM Jun 09, 2021Observed: 6.66 ft at 2:24AM Jun 09, 2021Observed: 6.71 ft at 2:30AM Jun 09, 2021Observed: 6.77 ft at 2:36AM Jun 09, 2021Observed: 6.81 ft at 2:42AM Jun 09, 2021Observed: 6.86 ft at 2:48AM Jun 09, 2021Observed: 6.91 ft at 2:54AM Jun 09, 2021Observed: 6.95 ft at 3:00AM Jun 09, 2021Observed: 6.98 ft at 3:06AM Jun 09, 2021Observed: 7.01 ft at 3:12AM Jun 09, 2021Observed: 7.05 ft at 3:18AM Jun 09, 2021Observed: 7.08 ft at 3:24AM Jun 09, 2021Observed: 7.04 ft at 3:30AM Jun 09, 2021Observed: 7.07 ft at 3:36AM Jun 09, 2021Observed: 7.08 ft at 3:42AM Jun 09, 2021Observed: 7.11 ft at 3:48AM Jun 09, 2021Observed: 7.12 ft at 3:54AM Jun 09, 2021Observed: 7.15 ft at 4:00AM Jun 09, 2021Highest Observation: 7.16 ft at 4:06AM Jun 09, 2021Highest Observation: 7.16 ft at 4:12AM Jun 09, 2021Highest Observation: 7.16 ft at 4:18AM Jun 09, 2021Highest Observation: 7.16 ft at 4:24AM Jun 09, 2021Observed: 7.15 ft at 4:30AM Jun 09, 2021Observed: 7.13 ft at 4:36AM Jun 09, 2021Observed: 7.11 ft at 4:42AM Jun 09, 2021Observed: 7.09 ft at 4:48AM Jun 09, 2021Observed: 7.09 ft at 4:54AM Jun 09, 2021Observed: 7.09 ft at 5:00AM Jun 09, 2021Observed: 7.07 ft at 5:06AM Jun 09, 2021Observed: 7.06 ft at 5:12AM Jun 09, 2021Observed: 7.04 ft at 5:18AM Jun 09, 2021Observed: 7.03 ft at 5:24AM Jun 09, 2021Observed: 7.01 ft at 5:30AM Jun 09, 2021Observed: 7 ft at 5:36AM Jun 09, 2021Observed: 6.98 ft at 5:42AM Jun 09, 2021Observed: 6.96 ft at 5:48AM Jun 09, 2021Observed: 6.94 ft at 5:54AM Jun 09, 2021Observed: 6.92 ft at 6:00AM Jun 09, 2021Observed: 6.87 ft at 6:12AM Jun 09, 2021Observed: 6.85 ft at 6:18AM Jun 09, 2021Observed: 6.82 ft at 6:24AM Jun 09, 2021Observed: 6.8 ft at 6:30AM Jun 09, 2021Observed: 6.78 ft at 6:36AM Jun 09, 2021Observed: 6.75 ft at 6:42AM Jun 09, 2021Observed: 6.73 ft at 6:48AM Jun 09, 2021Observed: 6.7 ft at 6:54AM Jun 09, 2021Observed: 6.67 ft at 7:00AM Jun 09, 2021Observed: 6.65 ft at 7:06AM Jun 09, 2021Observed: 6.62 ft at 7:12AM Jun 09, 2021Observed: 6.58 ft at 7:18AM Jun 09, 2021Observed: 6.55 ft at 7:24AM Jun 09, 2021Observed: 6.52 ft at 7:30AM Jun 09, 2021Observed: 6.49 ft at 7:36AM Jun 09, 2021Observed: 6.46 ft at 7:42AM Jun 09, 2021Observed: 6.43 ft at 7:48AM Jun 09, 2021Observed: 6.4 ft at 7:54AM Jun 09, 2021Observed: 6.37 ft at 8:00AM Jun 09, 2021Observed: 6.34 ft at 8:06AM Jun 09, 2021Observed: 6.31 ft at 8:12AM Jun 09, 2021Observed: 6.29 ft at 8:18AM Jun 09, 2021Observed: 6.26 ft at 8:24AM Jun 09, 2021Observed: 6.24 ft at 8:30AM Jun 09, 2021Observed: 6.21 ft at 8:36AM Jun 09, 2021Observed: 6.18 ft at 8:42AM Jun 09, 2021Observed: 6.15 ft at 8:48AM Jun 09, 2021Observed: 6.12 ft at 8:54AM Jun 09, 2021Observed: 6.1 ft at 9:00AM Jun 09, 2021Observed: 6.07 ft at 9:06AM Jun 09, 2021Observed: 6.04 ft at 9:12AM Jun 09, 2021Observed: 6.01 ft at 9:18AM Jun 09, 2021Observed: 5.97 ft at 9:24AM Jun 09, 2021Observed: 5.95 ft at 9:30AM Jun 09, 2021Observed: 5.92 ft at 9:36AM Jun 09, 2021Observed: 5.89 ft at 9:42AM Jun 09, 2021Observed: 5.87 ft at 9:48AM Jun 09, 2021Observed: 5.83 ft at 9:54AM Jun 09, 2021Observed: 5.8 ft at 10:00AM Jun 09, 2021Observed: 5.78 ft at 10:06AM Jun 09, 2021Observed: 5.75 ft at 10:12AM Jun 09, 2021Observed: 5.73 ft at 10:18AM Jun 09, 2021Observed: 5.69 ft at 10:24AM Jun 09, 2021Observed: 5.67 ft at 10:30AM Jun 09, 2021Observed: 5.63 ft at 10:36AM Jun 09, 2021Observed: 5.61 ft at 10:42AM Jun 09, 2021Observed: 5.56 ft at 10:48AM Jun 09, 2021Observed: 5.53 ft at 10:54AM Jun 09, 2021Observed: 5.49 ft at 11:00AM Jun 09, 2021Observed: 5.49 ft at 11:06AM Jun 09, 2021Observed: 5.45 ft at 11:12AM Jun 09, 2021Observed: 5.41 ft at 11:18AM Jun 09, 2021Observed: 5.34 ft at 11:24AM Jun 09, 2021Observed: 5.32 ft at 11:30AM Jun 09, 2021Observed: 5.31 ft at 11:36AM Jun 09, 2021Observed: 5.3 ft at 11:42AM Jun 09, 2021Observed: 5.29 ft at 11:48AM Jun 09, 2021Observed: 5.27 ft at 11:54AM Jun 09, 2021Observed: 5.23 ft at 12:00PM Jun 09, 2021Observed: 5.19 ft at 12:06PM Jun 09, 2021Observed: 5.17 ft at 12:12PM Jun 09, 2021Observed: 5.14 ft at 12:18PM Jun 09, 2021Observed: 5.12 ft at 12:24PM Jun 09, 2021Observed: 5.1 ft at 12:30PM Jun 09, 2021Observed: 5.07 ft at 12:36PM Jun 09, 2021Observed: 5.04 ft at 12:42PM Jun 09, 2021Observed: 5.02 ft at 12:48PM Jun 09, 2021Observed: 4.99 ft at 12:54PM Jun 09, 2021Observed: 4.98 ft at 1:00PM Jun 09, 2021Observed: 4.96 ft at 1:06PM Jun 09, 2021Observed: 4.94 ft at 1:12PM Jun 09, 2021Observed: 4.93 ft at 1:18PM Jun 09, 2021Observed: 4.91 ft at 1:24PM Jun 09, 2021Observed: 4.9 ft at 1:30PM Jun 09, 2021Observed: 4.88 ft at 1:36PM Jun 09, 2021Observed: 4.88 ft at 1:42PM Jun 09, 2021Observed: 4.88 ft at 1:48PM Jun 09, 2021Observed: 4.87 ft at 1:54PM Jun 09, 2021Observed: 4.87 ft at 2:00PM Jun 09, 2021Observed: 4.87 ft at 2:06PM Jun 09, 2021Observed: 4.89 ft at 2:12PM Jun 09, 2021Observed: 4.9 ft at 2:18PM Jun 09, 2021Observed: 4.91 ft at 2:24PM Jun 09, 2021Observed: 4.93 ft at 2:30PM Jun 09, 2021Observed: 4.95 ft at 2:36PM Jun 09, 2021Observed: 4.97 ft at 2:42PM Jun 09, 2021Observed: 4.99 ft at 2:48PM Jun 09, 2021Observed: 5.02 ft at 2:54PM Jun 09, 2021Observed: 5.05 ft at 3:00PM Jun 09, 2021Observed: 5.09 ft at 3:06PM Jun 09, 2021Observed: 5.12 ft at 3:12PM Jun 09, 2021Observed: 5.16 ft at 3:18PM Jun 09, 2021Observed: 5.21 ft at 3:24PM Jun 09, 2021Observed: 5.23 ft at 3:30PM Jun 09, 2021Observed: 5.24 ft at 3:36PM Jun 09, 2021Observed: 5.35 ft at 3:42PM Jun 09, 2021Observed: 5.44 ft at 3:48PM Jun 09, 2021Observed: 5.4 ft at 3:54PM Jun 09, 2021Observed: 5.44 ft at 4:00PM Jun 09, 2021Observed: 5.5 ft at 4:06PM Jun 09, 2021Observed: 5.57 ft at 4:12PM Jun 09, 2021Observed: 5.67 ft at 4:18PM Jun 09, 2021Observed: 5.72 ft at 4:24PM Jun 09, 2021Observed: 5.75 ft at 4:30PM Jun 09, 2021Observed: 5.78 ft at 4:36PM Jun 09, 2021Observed: 5.81 ft at 4:42PM Jun 09, 2021Observed: 5.84 ft at 4:48PM Jun 09, 2021Observed: 5.95 ft at 5:06PM Jun 09, 2021Observed: 5.98 ft at 5:12PM Jun 09, 2021Observed: 5.99 ft at 5:18PM Jun 09, 2021Observed: 6 ft at 5:24PM Jun 09, 2021Observed: 6.02 ft at 5:30PM Jun 09, 2021Observed: 6.02 ft at 5:36PM Jun 09, 2021Observed: 6.02 ft at 5:42PM Jun 09, 2021Observed: 6.02 ft at 5:48PM Jun 09, 2021Observed: 6.01 ft at 5:54PM Jun 09, 2021Observed: 6 ft at 6:00PM Jun 09, 2021Observed: 5.99 ft at 6:06PM Jun 09, 2021Observed: 5.99 ft at 6:12PM Jun 09, 2021Observed: 5.97 ft at 6:18PM Jun 09, 2021Observed: 5.96 ft at 6:24PM Jun 09, 2021Observed: 5.96 ft at 6:30PM Jun 09, 2021Observed: 5.95 ft at 6:36PM Jun 09, 2021Observed: 5.87 ft at 6:42PM Jun 09, 2021Observed: 5.85 ft at 6:48PM Jun 09, 2021Observed: 5.79 ft at 6:54PM Jun 09, 2021Observed: 5.81 ft at 7:00PM Jun 09, 2021Observed: 5.83 ft at 7:06PM Jun 09, 2021Observed: 5.82 ft at 7:12PM Jun 09, 2021Observed: 5.81 ft at 7:18PM Jun 09, 2021Observed: 5.79 ft at 7:24PM Jun 09, 2021Observed: 5.76 ft at 7:30PM Jun 09, 2021Observed: 5.73 ft at 7:36PM Jun 09, 2021Observed: 5.71 ft at 7:42PM Jun 09, 2021Observed: 5.7 ft at 7:48PM Jun 09, 2021Observed: 5.69 ft at 7:54PM Jun 09, 2021Observed: 5.68 ft at 8:00PM Jun 09, 2021Observed: 5.67 ft at 8:06PM Jun 09, 2021Observed: 5.65 ft at 8:12PM Jun 09, 2021Observed: 5.63 ft at 8:18PM Jun 09, 2021Observed: 5.61 ft at 8:24PM Jun 09, 2021Observed: 5.59 ft at 8:30PM Jun 09, 2021Observed: 5.56 ft at 8:36PM Jun 09, 2021Observed: 5.53 ft at 8:42PM Jun 09, 2021Observed: 5.52 ft at 8:48PM Jun 09, 2021Observed: 5.48 ft at 8:54PM Jun 09, 2021Observed: 5.43 ft at 9:00PM Jun 09, 2021Observed: 5.39 ft at 9:06PM Jun 09, 2021Observed: 5.36 ft at 9:12PM Jun 09, 2021Observed: 5.35 ft at 9:18PM Jun 09, 2021Observed: 5.33 ft at 9:24PM Jun 09, 2021Observed: 5.33 ft at 9:30PM Jun 09, 2021Observed: 5.31 ft at 9:36PM Jun 09, 2021Observed: 5.26 ft at 9:42PM Jun 09, 2021Observed: 5.23 ft at 9:48PM Jun 09, 2021Observed: 5.2 ft at 9:54PM Jun 09, 2021Observed: 5.18 ft at 10:00PM Jun 09, 2021Observed: 5.14 ft at 10:06PM Jun 09, 2021Observed: 5.12 ft at 10:12PM Jun 09, 2021Observed: 5.1 ft at 10:18PM Jun 09, 2021Observed: 5.07 ft at 10:24PM Jun 09, 2021Observed: 5.03 ft at 10:30PM Jun 09, 2021Observed: 5.01 ft at 10:36PM Jun 09, 2021Observed: 4.99 ft at 10:42PM Jun 09, 2021Observed: 4.97 ft at 10:48PM Jun 09, 2021Observed: 4.94 ft at 10:54PM Jun 09, 2021Observed: 4.92 ft at 11:00PM Jun 09, 2021Observed: 4.9 ft at 11:06PM Jun 09, 2021Observed: 4.87 ft at 11:12PM Jun 09, 2021Observed: 4.86 ft at 11:18PM Jun 09, 2021Observed: 4.83 ft at 11:24PM Jun 09, 2021Observed: 4.82 ft at 11:30PM Jun 09, 2021Observed: 4.8 ft at 11:36PM Jun 09, 2021Observed: 4.77 ft at 11:42PM Jun 09, 2021Observed: 4.76 ft at 11:48PM Jun 09, 2021Observed: 4.76 ft at 11:54PM Jun 09, 2021Observed: 4.75 ft at 12:00AM Jun 10, 2021Observed: 4.73 ft at 12:06AM Jun 10, 2021Observed: 4.72 ft at 12:12AM Jun 10, 2021Observed: 4.72 ft at 12:18AM Jun 10, 2021Observed: 4.72 ft at 12:24AM Jun 10, 2021Observed: 4.72 ft at 12:30AM Jun 10, 2021Observed: 4.72 ft at 12:36AM Jun 10, 2021Observed: 4.73 ft at 12:42AM Jun 10, 2021Observed: 4.75 ft at 12:48AM Jun 10, 2021Observed: 4.76 ft at 12:54AM Jun 10, 2021Observed: 4.78 ft at 1:00AM Jun 10, 2021Observed: 4.81 ft at 1:06AM Jun 10, 2021Observed: 4.84 ft at 1:12AM Jun 10, 2021Observed: 4.88 ft at 1:18AM Jun 10, 2021Observed: 4.93 ft at 1:24AM Jun 10, 2021Observed: 4.97 ft at 1:30AM Jun 10, 2021Observed: 5.03 ft at 1:36AM Jun 10, 2021Observed: 5.09 ft at 1:42AM Jun 10, 2021Observed: 5.16 ft at 1:48AM Jun 10, 2021Observed: 5.23 ft at 1:54AM Jun 10, 2021Observed: 5.28 ft at 2:00AM Jun 10, 2021Observed: 5.35 ft at 2:06AM Jun 10, 2021Observed: 5.43 ft at 2:12AM Jun 10, 2021Observed: 5.51 ft at 2:18AM Jun 10, 2021Observed: 5.58 ft at 2:24AM Jun 10, 2021Observed: 5.64 ft at 2:30AM Jun 10, 2021Observed: 5.71 ft at 2:36AM Jun 10, 2021Observed: 5.79 ft at 2:42AM Jun 10, 2021Observed: 5.87 ft at 2:48AM Jun 10, 2021Observed: 5.94 ft at 2:54AM Jun 10, 2021Observed: 6.01 ft at 3:00AM Jun 10, 2021Observed: 6.06 ft at 3:06AM Jun 10, 2021Observed: 6.12 ft at 3:12AM Jun 10, 2021Observed: 6.17 ft at 3:18AM Jun 10, 2021Observed: 6.23 ft at 3:24AM Jun 10, 2021Observed: 6.28 ft at 3:30AM Jun 10, 2021Observed: 6.33 ft at 3:36AM Jun 10, 2021Observed: 6.37 ft at 3:42AM Jun 10, 2021Observed: 6.41 ft at 3:48AM Jun 10, 2021Observed: 6.44 ft at 3:54AM Jun 10, 2021Observed: 6.46 ft at 4:00AM Jun 10, 2021Observed: 6.48 ft at 4:06AM Jun 10, 2021Observed: 6.51 ft at 4:12AM Jun 10, 2021Observed: 6.52 ft at 4:18AM Jun 10, 2021Observed: 6.52 ft at 4:24AM Jun 10, 2021Observed: 6.53 ft at 4:30AM Jun 10, 2021Observed: 6.53 ft at 4:36AM Jun 10, 2021Observed: 6.53 ft at 4:42AM Jun 10, 2021Observed: 6.52 ft at 4:48AM Jun 10, 2021Observed: 6.51 ft at 4:54AM Jun 10, 2021Observed: 6.5 ft at 5:00AM Jun 10, 2021Observed: 6.48 ft at 5:06AM Jun 10, 2021Observed: 6.46 ft at 5:12AM Jun 10, 2021Observed: 6.44 ft at 5:18AM Jun 10, 2021Observed: 6.42 ft at 5:24AM Jun 10, 2021Observed: 6.4 ft at 5:30AM Jun 10, 2021Observed: 6.38 ft at 5:36AM Jun 10, 2021Observed: 6.28 ft at 6:06AM Jun 10, 2021Observed: 6.26 ft at 6:12AM Jun 10, 2021Observed: 6.24 ft at 6:18AM Jun 10, 2021Observed: 6.21 ft at 6:24AM Jun 10, 2021Observed: 6.19 ft at 6:30AM Jun 10, 2021Observed: 6.18 ft at 6:36AM Jun 10, 2021Observed: 6.15 ft at 6:42AM Jun 10, 2021Observed: 6.13 ft at 6:48AM Jun 10, 2021Observed: 6.11 ft at 6:54AM Jun 10, 2021Observed: 6.08 ft at 7:00AM Jun 10, 2021Observed: 6.06 ft at 7:06AM Jun 10, 2021Observed: 6.03 ft at 7:12AM Jun 10, 2021Observed: 6 ft at 7:18AM Jun 10, 2021Observed: 5.97 ft at 7:24AM Jun 10, 2021Observed: 5.94 ft at 7:30AM Jun 10, 2021Observed: 5.9 ft at 7:36AM Jun 10, 2021Observed: 5.87 ft at 7:42AM Jun 10, 2021Observed: 5.84 ft at 7:48AM Jun 10, 2021Observed: 5.81 ft at 7:54AM Jun 10, 2021Observed: 5.77 ft at 8:00AM Jun 10, 2021Observed: 5.74 ft at 8:06AM Jun 10, 2021Observed: 5.71 ft at 8:12AM Jun 10, 2021Observed: 5.67 ft at 8:18AM Jun 10, 2021Observed: 5.63 ft at 8:24AM Jun 10, 2021Observed: 5.59 ft at 8:30AM Jun 10, 2021Observed: 5.56 ft at 8:36AM Jun 10, 2021Observed: 4.97 ft at 10:30AM Jun 10, 2021Observed: 4.95 ft at 10:36AM Jun 10, 2021Observed: 4.91 ft at 10:42AM Jun 10, 2021Observed: 4.88 ft at 10:48AM Jun 10, 2021Observed: 4.85 ft at 10:54AM Jun 10, 2021Observed: 4.82 ft at 11:00AM Jun 10, 2021Observed: 4.79 ft at 11:06AM Jun 10, 2021Observed: 4.77 ft at 11:12AM Jun 10, 2021Observed: 4.73 ft at 11:18AM Jun 10, 2021Observed: 4.71 ft at 11:24AM Jun 10, 2021Observed: 4.69 ft at 11:30AM Jun 10, 2021Observed: 4.66 ft at 11:36AM Jun 10, 2021Observed: 4.63 ft at 11:42AM Jun 10, 2021Observed: 4.6 ft at 11:48AM Jun 10, 2021Observed: 4.56 ft at 11:54AM Jun 10, 2021Observed: 4.54 ft at 12:00PM Jun 10, 2021Observed: 4.51 ft at 12:06PM Jun 10, 2021Observed: 4.48 ft at 12:12PM Jun 10, 2021Observed: 4.45 ft at 12:18PM Jun 10, 2021Observed: 4.42 ft at 12:24PM Jun 10, 2021Observed: 4.39 ft at 12:30PM Jun 10, 2021Observed: 4.37 ft at 12:36PM Jun 10, 2021Observed: 4.34 ft at 12:42PM Jun 10, 2021Observed: 4.31 ft at 12:48PM Jun 10, 2021Observed: 4.29 ft at 12:54PM Jun 10, 2021Observed: 4.27 ft at 1:00PM Jun 10, 2021Observed: 4.25 ft at 1:06PM Jun 10, 2021Observed: 4.22 ft at 1:12PM Jun 10, 2021Observed: 4.19 ft at 1:18PM Jun 10, 2021Observed: 4.17 ft at 1:24PM Jun 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10, 2021Observed: 5.1 ft at 9:12PM Jun 10, 2021Observed: 5.08 ft at 9:18PM Jun 10, 2021Observed: 5.06 ft at 9:24PM Jun 10, 2021Observed: 5.02 ft at 9:30PM Jun 10, 2021Observed: 5 ft at 9:36PM Jun 10, 2021Observed: 4.96 ft at 9:42PM Jun 10, 2021Observed: 4.94 ft at 9:48PM Jun 10, 2021Observed: 4.91 ft at 9:54PM Jun 10, 2021Observed: 4.87 ft at 10:00PM Jun 10, 2021Observed: 4.84 ft at 10:06PM Jun 10, 2021Observed: 4.81 ft at 10:12PM Jun 10, 2021Observed: 4.77 ft at 10:18PM Jun 10, 2021Observed: 4.74 ft at 10:24PM Jun 10, 2021Observed: 4.71 ft at 10:30PM Jun 10, 2021Observed: 4.68 ft at 10:36PM Jun 10, 2021Observed: 4.67 ft at 10:42PM Jun 10, 2021Observed: 4.64 ft at 10:48PM Jun 10, 2021Observed: 4.61 ft at 10:54PM Jun 10, 2021Observed: 4.57 ft at 11:00PM Jun 10, 2021Observed: 4.54 ft at 11:06PM Jun 10, 2021Observed: 4.51 ft at 11:12PM Jun 10, 2021Observed: 4.49 ft at 11:18PM Jun 10, 2021Observed: 4.45 ft at 11:24PM Jun 10, 2021Observed: 4.42 ft at 11:30PM Jun 10, 2021Observed: 4.41 ft at 11:36PM Jun 10, 2021Observed: 4.37 ft at 11:42PM Jun 10, 2021Observed: 4.37 ft at 11:48PM Jun 10, 2021Observed: 4.35 ft at 11:54PM Jun 10, 2021Observed: 4.31 ft at 12:00AM Jun 11, 2021Observed: 4.32 ft at 12:06AM Jun 11, 2021Observed: 4.27 ft at 12:12AM Jun 11, 2021Observed: 4.26 ft at 12:18AM Jun 11, 2021Observed: 4.25 ft at 12:24AM Jun 11, 2021Observed: 4.26 ft at 12:30AM Jun 11, 2021Observed: 4.23 ft at 12:36AM Jun 11, 2021Observed: 4.22 ft at 12:42AM Jun 11, 2021Observed: 4.21 ft at 12:48AM Jun 11, 2021Observed: 4.22 ft at 12:54AM Jun 11, 2021Observed: 4.23 ft at 1:00AM Jun 11, 2021Observed: 4.23 ft at 1:06AM Jun 11, 2021Observed: 4.24 ft at 1:12AM Jun 11, 2021Observed: 4.25 ft at 1:18AM Jun 11, 2021Observed: 4.28 ft at 1:24AM Jun 11, 2021Observed: 4.31 ft at 1:30AM Jun 11, 2021Observed: 4.34 ft at 1:36AM Jun 11, 2021Observed: 4.37 ft at 1:42AM Jun 11, 2021Observed: 4.43 ft at 1:48AM Jun 11, 2021Observed: 4.48 ft at 1:54AM Jun 11, 2021Observed: 4.53 ft at 2:00AM Jun 11, 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12:00PM Jun 11, 2021Observed: 4.44 ft at 12:06PM Jun 11, 2021Observed: 4.41 ft at 12:12PM Jun 11, 2021Observed: 4.38 ft at 12:18PM Jun 11, 2021Observed: 4.35 ft at 12:24PM Jun 11, 2021Observed: 4.31 ft at 12:30PM Jun 11, 2021Observed: 4.29 ft at 12:36PM Jun 11, 2021Observed: 4.26 ft at 12:42PM Jun 11, 2021Observed: 4.24 ft at 12:48PM Jun 11, 2021Observed: 4.2 ft at 12:54PM Jun 11, 2021Observed: 4.18 ft at 1:00PM Jun 11, 2021Observed: 4.14 ft at 1:06PM Jun 11, 2021Observed: 4.12 ft at 1:12PM Jun 11, 2021Observed: 4.08 ft at 1:18PM Jun 11, 2021Observed: 4.06 ft at 1:24PM Jun 11, 2021Observed: 4.03 ft at 1:30PM Jun 11, 2021Observed: 4.01 ft at 1:36PM Jun 11, 2021Observed: 3.98 ft at 1:42PM Jun 11, 2021Observed: 3.96 ft at 1:48PM Jun 11, 2021Observed: 3.94 ft at 1:54PM Jun 11, 2021Observed: 3.92 ft at 2:00PM Jun 11, 2021Observed: 3.91 ft at 2:06PM Jun 11, 2021Observed: 3.88 ft at 2:12PM Jun 11, 2021Observed: 3.86 ft at 2:18PM Jun 11, 2021Observed: 3.85 ft at 2:24PM Jun 11, 2021Observed: 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12:30AM Jun 12, 2021Observed: 4.74 ft at 12:36AM Jun 12, 2021Observed: 4.72 ft at 12:42AM Jun 12, 2021Observed: 4.71 ft at 12:48AM Jun 12, 2021Observed: 4.7 ft at 12:54AM Jun 12, 2021Observed: 4.69 ft at 1:00AM Jun 12, 2021Observed: 4.68 ft at 1:06AM Jun 12, 2021Observed: 4.67 ft at 1:12AM Jun 12, 2021Observed: 4.68 ft at 1:18AM Jun 12, 2021Observed: 4.68 ft at 1:24AM Jun 12, 2021Observed: 4.68 ft at 1:30AM Jun 12, 2021Observed: 4.69 ft at 1:36AM Jun 12, 2021Observed: 4.7 ft at 1:42AM Jun 12, 2021Observed: 4.71 ft at 1:48AM Jun 12, 2021Observed: 4.73 ft at 1:54AM Jun 12, 2021Observed: 4.77 ft at 2:00AM Jun 12, 2021Observed: 4.8 ft at 2:06AM Jun 12, 2021Observed: 4.84 ft at 2:12AM Jun 12, 2021Observed: 4.89 ft at 2:18AM Jun 12, 2021Observed: 4.94 ft at 2:24AM Jun 12, 2021Observed: 5 ft at 2:30AM Jun 12, 2021Observed: 5.06 ft at 2:36AM Jun 12, 2021Observed: 5.13 ft at 2:42AM Jun 12, 2021Observed: 5.2 ft at 2:48AM Jun 12, 2021Observed: 5.27 ft at 2:54AM Jun 12, 2021Observed: 5.35 ft at 3:00AM Jun 12, 2021Observed: 5.44 ft at 3:06AM Jun 12, 2021Observed: 5.52 ft at 3:12AM Jun 12, 2021Observed: 5.61 ft at 3:18AM Jun 12, 2021Observed: 5.69 ft at 3:24AM Jun 12, 2021Observed: 5.78 ft at 3:30AM Jun 12, 2021Observed: 5.86 ft at 3:36AM Jun 12, 2021Observed: 5.94 ft at 3:42AM Jun 12, 2021Observed: 6.02 ft at 3:48AM Jun 12, 2021Observed: 6.1 ft at 3:54AM Jun 12, 2021Observed: 6.16 ft at 4:00AM Jun 12, 2021Observed: 6.24 ft at 4:06AM Jun 12, 2021Observed: 6.29 ft at 4:12AM Jun 12, 2021Observed: 6.33 ft at 4:18AM Jun 12, 2021Observed: 6.37 ft at 4:24AM Jun 12, 2021Observed: 6.44 ft at 4:30AM Jun 12, 2021Observed: 6.46 ft at 4:36AM Jun 12, 2021Observed: 6.51 ft at 4:42AM Jun 12, 2021Observed: 6.57 ft at 4:48AM Jun 12, 2021Observed: 6.62 ft at 4:54AM Jun 12, 2021Observed: 6.69 ft at 5:00AM Jun 12, 2021Observed: 6.7 ft at 5:06AM Jun 12, 2021Observed: 6.74 ft at 5:12AM Jun 12, 2021Observed: 6.75 ft at 5:18AM Jun 12, 2021Observed: 6.76 ft at 5:24AM Jun 12, 2021Observed: 6.78 ft at 5:30AM Jun 12, 2021Observed: 6.75 ft at 5:36AM Jun 12, 2021Observed: 6.78 ft at 5:42AM Jun 12, 2021Observed: 6.8 ft at 5:48AM Jun 12, 2021Observed: 6.8 ft at 5:54AM Jun 12, 2021Observed: 6.81 ft at 6:00AM Jun 12, 2021Observed: 6.8 ft at 6:06AM Jun 12, 2021Observed: 6.77 ft at 6:12AM Jun 12, 2021Observed: 6.75 ft at 6:18AM Jun 12, 2021Observed: 6.73 ft at 6:24AM Jun 12, 2021Observed: 6.7 ft at 6:30AM Jun 12, 2021Observed: 6.68 ft at 6:36AM Jun 12, 2021Observed: 6.65 ft at 6:42AM Jun 12, 2021Observed: 6.63 ft at 6:48AM Jun 12, 2021Observed: 6.61 ft at 6:54AM Jun 12, 2021Observed: 6.58 ft at 7:00AM Jun 12, 2021Observed: 6.57 ft at 7:06AM Jun 12, 2021Observed: 6.54 ft at 7:12AM Jun 12, 2021Observed: 6.52 ft at 7:18AM Jun 12, 2021Observed: 6.5 ft at 7:24AM Jun 12, 2021Observed: 6.49 ft at 7:30AM Jun 12, 2021Observed: 6.47 ft at 7:36AM Jun 12, 2021Observed: 6.45 ft at 7:42AM Jun 12, 2021Observed: 6.42 ft at 7:48AM Jun 12, 2021Observed: 6.4 ft at 7:54AM Jun 12, 2021Observed: 6.37 ft at 8:00AM Jun 12, 2021Observed: 6.35 ft at 8:06AM Jun 12, 2021Observed: 6.32 ft at 8:12AM Jun 12, 2021Observed: 6.29 ft at 8:18AM Jun 12, 2021Observed: 6.26 ft at 8:24AM Jun 12, 2021Observed: 6.22 ft at 8:30AM Jun 12, 2021Observed: 6.19 ft at 8:36AM Jun 12, 2021Observed: 6.16 ft at 8:42AM Jun 12, 2021Observed: 6.12 ft at 8:48AM Jun 12, 2021Observed: 6.09 ft at 8:54AM Jun 12, 2021Observed: 6.05 ft at 9:00AM Jun 12, 2021Observed: 6.02 ft at 9:06AM Jun 12, 2021Observed: 5.98 ft at 9:12AM Jun 12, 2021Observed: 5.95 ft at 9:18AM Jun 12, 2021Observed: 5.91 ft at 9:24AM Jun 12, 2021Observed: 5.88 ft at 9:30AM Jun 12, 2021Observed: 5.84 ft at 9:36AM Jun 12, 2021Observed: 5.8 ft at 9:42AM Jun 12, 2021Observed: 5.76 ft at 9:48AM Jun 12, 2021Observed: 5.72 ft at 9:54AM Jun 12, 2021Observed: 5.68 ft at 10:00AM Jun 12, 2021Observed: 5.65 ft at 10:06AM Jun 12, 2021Observed: 5.61 ft at 10:12AM Jun 12, 2021Observed: 5.58 ft at 10:18AM Jun 12, 2021Observed: 5.54 ft at 10:24AM Jun 12, 2021Observed: 5.5 ft at 10:30AM Jun 12, 2021Observed: 5.47 ft at 10:36AM Jun 12, 2021Observed: 5.43 ft at 10:42AM Jun 12, 2021Observed: 5.4 ft at 10:48AM Jun 12, 2021Observed: 5.37 ft at 10:54AM Jun 12, 2021Observed: 5.33 ft at 11:00AM Jun 12, 2021Observed: 5.31 ft at 11:06AM Jun 12, 2021Observed: 5.28 ft at 11:12AM Jun 12, 2021Observed: 5.24 ft at 11:18AM Jun 12, 2021Observed: 5.22 ft at 11:24AM Jun 12, 2021Observed: 5.18 ft at 11:30AM Jun 12, 2021Observed: 5.16 ft at 11:36AM Jun 12, 2021Observed: 5.12 ft at 11:42AM Jun 12, 2021Observed: 5.1 ft at 11:48AM Jun 12, 2021Observed: 5.06 ft at 11:54AM Jun 12, 2021Observed: 5.03 ft at 12:00PM Jun 12, 2021Observed: 5 ft at 12:06PM Jun 12, 2021Observed: 4.97 ft at 12:12PM Jun 12, 2021Observed: 4.94 ft at 12:18PM Jun 12, 2021Observed: 4.91 ft at 12:24PM Jun 12, 2021Observed: 4.88 ft at 12:30PM Jun 12, 2021Observed: 4.84 ft at 12:36PM Jun 12, 2021Observed: 4.81 ft at 12:42PM Jun 12, 2021Observed: 4.78 ft at 12:48PM Jun 12, 2021Observed: 4.75 ft at 12:54PM Jun 12, 2021Observed: 4.72 ft at 1:00PM Jun 12, 2021Observed: 4.69 ft at 1:06PM Jun 12, 2021Observed: 4.65 ft at 1:12PM Jun 12, 2021Observed: 4.63 ft at 1:18PM Jun 12, 2021Observed: 4.6 ft at 1:24PM Jun 12, 2021Observed: 4.57 ft at 1:30PM Jun 12, 2021Observed: 4.54 ft at 1:36PM Jun 12, 2021Observed: 4.51 ft at 1:42PM Jun 12, 2021Observed: 4.48 ft at 1:48PM Jun 12, 2021Observed: 4.46 ft at 1:54PM Jun 12, 2021Observed: 4.43 ft at 2:00PM Jun 12, 2021Observed: 4.39 ft at 2:06PM Jun 12, 2021Observed: 4.37 ft at 2:12PM Jun 12, 2021Observed: 4.34 ft at 2:18PM Jun 12, 2021Observed: 4.32 ft at 2:24PM Jun 12, 2021Observed: 4.3 ft at 2:30PM Jun 12, 2021Observed: 4.28 ft at 2:36PM Jun 12, 2021Observed: 4.26 ft at 2:42PM Jun 12, 2021Observed: 4.24 ft at 2:48PM Jun 12, 2021Observed: 4.22 ft at 2:54PM Jun 12, 2021Observed: 4.21 ft at 3:00PM Jun 12, 2021Observed: 4.19 ft at 3:06PM Jun 12, 2021Observed: 4.18 ft at 3:12PM Jun 12, 2021Observed: 4.18 ft at 3:18PM Jun 12, 2021Observed: 4.18 ft at 3:24PM Jun 12, 2021Observed: 4.17 ft at 3:30PM Jun 12, 2021Observed: 4.19 ft at 3:36PM Jun 12, 2021Observed: 4.2 ft at 3:42PM Jun 12, 2021Observed: 4.21 ft at 3:48PM Jun 12, 2021Observed: 4.2 ft at 3:54PM Jun 12, 2021Observed: 4.22 ft at 4:00PM Jun 12, 2021Observed: 4.24 ft at 4:06PM Jun 12, 2021Observed: 4.28 ft at 4:12PM Jun 12, 2021Observed: 4.32 ft at 4:18PM Jun 12, 2021Observed: 4.36 ft at 4:24PM Jun 12, 2021Observed: 4.39 ft at 4:30PM Jun 12, 2021Observed: 4.45 ft at 4:36PM Jun 12, 2021Observed: 4.46 ft at 4:42PM Jun 12, 2021Observed: 4.52 ft at 4:48PM Jun 12, 2021Observed: 4.69 ft at 5:00PM Jun 12, 2021Observed: 4.78 ft at 5:06PM Jun 12, 2021Observed: 4.85 ft at 5:12PM Jun 12, 2021Observed: 4.91 ft at 5:18PM Jun 12, 2021Observed: 4.99 ft at 5:24PM Jun 12, 2021Observed: 5.06 ft at 5:30PM Jun 12, 2021Observed: 5.13 ft at 5:36PM Jun 12, 2021Observed: 5.22 ft at 5:42PM Jun 12, 2021Observed: 5.29 ft at 5:48PM Jun 12, 2021Observed: 5.35 ft at 5:54PM Jun 12, 2021Observed: 5.42 ft at 6:00PM Jun 12, 2021Observed: 5.49 ft at 6:06PM Jun 12, 2021Observed: 5.55 ft at 6:12PM Jun 12, 2021Observed: 5.62 ft at 6:18PM Jun 12, 2021Observed: 5.68 ft at 6:24PM Jun 12, 2021Observed: 5.73 ft at 6:30PM Jun 12, 2021Observed: 5.77 ft at 6:36PM Jun 12, 2021Observed: 5.81 ft at 6:42PM Jun 12, 2021Observed: 5.85 ft at 6:48PM Jun 12, 2021Observed: 5.88 ft at 6:54PM Jun 12, 2021Observed: 5.91 ft at 7:00PM Jun 12, 2021Observed: 5.94 ft at 7:06PM Jun 12, 2021Observed: 5.94 ft at 7:12PM Jun 12, 2021Observed: 5.96 ft at 7:18PM Jun 12, 2021Observed: 5.96 ft at 7:24PM Jun 12, 2021Observed: 5.96 ft at 7:30PM Jun 12, 2021Observed: 5.95 ft at 7:36PM Jun 12, 2021Observed: 5.94 ft at 7:42PM Jun 12, 2021Observed: 5.94 ft at 7:48PM Jun 12, 2021Observed: 5.92 ft at 7:54PM Jun 12, 2021Observed: 5.91 ft at 8:00PM Jun 12, 2021Observed: 5.89 ft at 8:06PM Jun 12, 2021Observed: 5.88 ft at 8:12PM Jun 12, 2021Observed: 5.86 ft at 8:18PM Jun 12, 2021Observed: 5.85 ft at 8:24PM Jun 12, 2021Observed: 5.83 ft at 8:30PM Jun 12, 2021Observed: 5.81 ft at 8:36PM Jun 12, 2021Observed: 5.8 ft at 8:42PM Jun 12, 2021Observed: 5.78 ft at 8:48PM Jun 12, 2021Observed: 5.77 ft at 8:54PM Jun 12, 2021Observed: 5.76 ft at 9:00PM Jun 12, 2021Observed: 5.74 ft at 9:06PM Jun 12, 2021Observed: 5.73 ft at 9:12PM Jun 12, 2021Observed: 5.71 ft at 9:18PM Jun 12, 2021Observed: 5.7 ft at 9:24PM Jun 12, 2021Observed: 5.67 ft at 9:30PM Jun 12, 2021Observed: 5.67 ft at 9:36PM Jun 12, 2021Observed: 5.65 ft at 9:42PM Jun 12, 2021Observed: 5.64 ft at 9:48PM Jun 12, 2021Observed: 5.62 ft at 9:54PM Jun 12, 2021Observed: 5.61 ft at 10:00PM Jun 12, 2021Observed: 5.6 ft at 10:06PM Jun 12, 2021Observed: 5.56 ft at 10:12PM Jun 12, 2021Observed: 5.55 ft at 10:18PM Jun 12, 2021Observed: 5.51 ft at 10:24PM Jun 12, 2021Observed: 5.51 ft at 10:30PM Jun 12, 2021Observed: 5.48 ft at 10:36PM Jun 12, 2021Observed: 5.47 ft at 10:42PM Jun 12, 2021Observed: 5.45 ft at 10:48PM Jun 12, 2021Observed: 5.4 ft at 10:54PM Jun 12, 2021Observed: 5.31 ft at 11:00PM Jun 12, 2021Observed: 5.35 ft at 11:06PM Jun 12, 2021Observed: 5.35 ft at 11:12PM Jun 12, 2021Observed: 5.32 ft at 11:18PM Jun 12, 2021Observed: 5.3 ft at 11:24PM Jun 12, 2021Observed: 5.25 ft at 11:30PM Jun 12, 2021Observed: 5.21 ft at 11:36PM Jun 12, 2021Observed: 5.18 ft at 11:42PM Jun 12, 2021Observed: 5.18 ft at 11:48PM Jun 12, 2021Observed: 5.14 ft at 11:54PM Jun 12, 2021Observed: 5.13 ft at 12:00AM Jun 13, 2021Observed: 5.09 ft at 12:06AM Jun 13, 2021Observed: 5.06 ft at 12:12AM Jun 13, 2021Observed: 5.04 ft at 12:18AM Jun 13, 2021Observed: 5.02 ft at 12:24AM Jun 13, 2021Observed: 5 ft at 12:30AM Jun 13, 2021Observed: 4.98 ft at 12:36AM Jun 13, 2021Observed: 4.95 ft at 12:42AM Jun 13, 2021Observed: 4.94 ft at 12:48AM Jun 13, 2021Observed: 4.92 ft at 12:54AM Jun 13, 2021Observed: 4.87 ft at 1:06AM Jun 13, 2021Observed: 4.86 ft at 1:12AM Jun 13, 2021Observed: 4.85 ft at 1:18AM Jun 13, 2021Observed: 4.84 ft at 1:24AM Jun 13, 2021Observed: 4.84 ft at 1:30AM Jun 13, 2021Observed: 4.83 ft at 1:36AM Jun 13, 2021Observed: 4.83 ft at 1:42AM Jun 13, 2021Observed: 4.83 ft at 1:48AM Jun 13, 2021Observed: 4.83 ft at 1:54AM Jun 13, 2021Observed: 4.84 ft at 2:00AM Jun 13, 2021Observed: 4.85 ft at 2:06AM Jun 13, 2021Observed: 4.85 ft at 2:12AM Jun 13, 2021Observed: 4.86 ft at 2:18AM Jun 13, 2021Observed: 4.88 ft at 2:24AM Jun 13, 2021Observed: 4.88 ft at 2:30AM Jun 13, 2021Observed: 4.89 ft at 2:36AM Jun 13, 2021Observed: 4.92 ft at 2:42AM Jun 13, 2021Observed: 4.98 ft at 2:48AM Jun 13, 2021Observed: 5.04 ft at 2:54AM Jun 13, 2021Observed: 5.1 ft at 3:00AM Jun 13, 2021Observed: 5.15 ft at 3:06AM Jun 13, 2021Observed: 5.2 ft at 3:12AM Jun 13, 2021Observed: 5.27 ft at 3:18AM Jun 13, 2021Observed: 5.33 ft at 3:24AM Jun 13, 2021Observed: 5.41 ft at 3:30AM Jun 13, 2021Observed: 5.49 ft at 3:36AM Jun 13, 2021Observed: 5.57 ft at 3:42AM Jun 13, 2021Observed: 5.65 ft at 3:48AM Jun 13, 2021Observed: 5.74 ft at 3:54AM Jun 13, 2021Observed: 5.82 ft at 4:00AM Jun 13, 2021Observed: 5.91 ft at 4:06AM Jun 13, 2021Observed: 5.99 ft at 4:12AM Jun 13, 2021Observed: 6.07 ft at 4:18AM Jun 13, 2021Observed: 6.15 ft at 4:24AM Jun 13, 2021Observed: 6.22 ft at 4:30AM Jun 13, 2021Observed: 6.3 ft at 4:36AM Jun 13, 2021Observed: 6.36 ft at 4:42AM Jun 13, 2021Observed: 6.43 ft at 4:48AM Jun 13, 2021Observed: 6.49 ft at 4:54AM Jun 13, 2021Observed: 6.54 ft at 5:00AM Jun 13, 2021Observed: 6.59 ft at 5:06AM Jun 13, 2021Observed: 6.64 ft at 5:12AM Jun 13, 2021Observed: 6.68 ft at 5:18AM Jun 13, 2021Observed: 6.71 ft at 5:24AM Jun 13, 2021Observed: 6.75 ft at 5:30AM Jun 13, 2021Observed: 6.78 ft at 5:36AM Jun 13, 2021Observed: 6.81 ft at 5:42AM Jun 13, 2021Observed: 6.84 ft at 5:48AM Jun 13, 2021Observed: 6.87 ft at 5:54AM Jun 13, 2021Observed: 6.9 ft at 6:00AM Jun 13, 2021Observed: 6.92 ft at 6:06AM Jun 13, 2021Observed: 6.95 ft at 6:12AM Jun 13, 2021Observed: 6.95 ft at 6:18AM Jun 13, 2021Observed: 6.96 ft at 6:24AM Jun 13, 2021Observed: 6.96 ft at 6:30AM Jun 13, 2021Observed: 6.96 ft at 6:36AM Jun 13, 2021Observed: 6.94 ft at 6:42AM Jun 13, 2021Observed: 6.92 ft at 6:48AM Jun 13, 2021Observed: 6.91 ft at 6:54AM Jun 13, 2021Observed: 6.88 ft at 7:00AM Jun 13, 2021Observed: 6.85 ft at 7:06AM Jun 13, 2021Observed: 6.83 ft at 7:12AM Jun 13, 2021Observed: 6.8 ft at 7:18AM Jun 13, 2021Observed: 6.77 ft at 7:24AM Jun 13, 2021Observed: 6.74 ft at 7:30AM Jun 13, 2021Observed: 6.72 ft at 7:36AM Jun 13, 2021Observed: 6.7 ft at 7:42AM Jun 13, 2021Observed: 6.68 ft at 7:48AM Jun 13, 2021Observed: 6.65 ft at 7:54AM Jun 13, 2021Observed: 6.64 ft at 8:00AM Jun 13, 2021Observed: 6.62 ft at 8:06AM Jun 13, 2021Observed: 6.6 ft at 8:12AM Jun 13, 2021Observed: 6.58 ft at 8:18AM Jun 13, 2021Observed: 6.56 ft at 8:24AM Jun 13, 2021Observed: 6.53 ft at 8:30AM Jun 13, 2021Observed: 6.51 ft at 8:36AM Jun 13, 2021Observed: 6.48 ft at 8:42AM Jun 13, 2021Observed: 6.45 ft at 8:48AM Jun 13, 2021Forecast: 6.33 ft 10:00AM Jun 13, 2021Forecast: 5.96 ft 11:00AM Jun 13, 2021Forecast: 5.55 ft 12:00PM Jun 13, 2021Forecast: 5.13 ft 1:00PM Jun 13, 2021Forecast: 4.74 ft 2:00PM Jun 13, 2021Forecast: 4.43 ft 3:00PM Jun 13, 2021Forecast: 4.24 ft 4:00PM Jun 13, 2021Forecast: 4.32 ft 5:00PM Jun 13, 2021Forecast: 4.77 ft 6:00PM Jun 13, 2021Forecast: 5.46 ft 7:00PM Jun 13, 2021Forecast: 5.85 ft 8:00PM Jun 13, 2021Forecast: 5.84 ft 9:00PM Jun 13, 2021Forecast: 5.67 ft 10:00PM Jun 13, 2021Forecast: 5.45 ft 11:00PM Jun 13, 2021Forecast: 5.18 ft 12:00AM Jun 14, 2021Forecast: 4.9 ft 1:00AM Jun 14, 2021Forecast: 4.69 ft 2:00AM Jun 14, 2021Forecast: 4.64 ft 3:00AM Jun 14, 2021Forecast: 4.93 ft 4:00AM Jun 14, 2021Forecast: 5.73 ft 5:00AM Jun 14, 2021Forecast: 6.47 ft 6:00AM Jun 14, 2021Highest Forecast: 6.69 ft 7:00AM Jun 14, 2021Forecast: 6.57 ft 8:00AM Jun 14, 2021Forecast: 6.36 ft 9:00AM Jun 14, 2021Forecast: 6.07 ft 10:00AM Jun 14, 2021Forecast: 5.68 ft 11:00AM Jun 14, 2021Forecast: 5.27 ft 12:00PM Jun 14, 2021Forecast: 4.85 ft 1:00PM Jun 14, 2021Forecast: 4.49 ft 2:00PM Jun 14, 2021Forecast: 4.15 ft 3:00PM Jun 14, 2021Forecast: 3.89 ft 4:00PM Jun 14, 2021Forecast: 3.84 ft 5:00PM Jun 14, 2021Forecast: 4.09 ft 6:00PM Jun 14, 2021Forecast: 4.69 ft 7:00PM Jun 14, 2021Forecast: 5.33 ft 8:00PM Jun 14, 2021Forecast: 5.58 ft 9:00PM Jun 14, 2021Forecast: 5.51 ft 10:00PM Jun 14, 2021Forecast: 5.34 ft 11:00PM Jun 14, 2021Forecast: 5.13 ft 12:00AM Jun 15, 2021Forecast: 4.88 ft 1:00AM Jun 15, 2021Forecast: 4.64 ft 2:00AM Jun 15, 2021Forecast: 4.51 ft 3:00AM Jun 15, 2021Forecast: 4.55 ft 4:00AM Jun 15, 2021Forecast: 4.96 ft 5:00AM Jun 15, 2021Forecast: 5.79 ft 6:00AM Jun 15, 2021Forecast: 6.39 ft 7:00AM Jun 15, 2021Forecast: 6.49 ft 8:00AM Jun 15, 2021Forecast: 6.37 ft 9:00AM Jun 15, 2021Forecast: 6.17 ft 10:00AM Jun 15, 2021Forecast: 5.85 ft 11:00AM Jun 15, 2021Forecast: 5.49 ft 12:00PM Jun 15, 2021Forecast: 5.11 ft 1:00PM Jun 15, 2021Forecast: 4.73 ft 2:00PM Jun 15, 2021Forecast: 4.41 ft 3:00PM Jun 15, 2021Forecast: 4.11 ft 4:00PM Jun 15, 2021Forecast: 3.92 ft 5:00PM Jun 15, 2021Forecast: 3.98 ft 6:00PM Jun 15, 2021Forecast: 4.36 ft 7:00PM Jun 15, 2021Forecast: 4.96 ft 8:00PM Jun 15, 2021Forecast: 5.42 ft 9:00PM Jun 15, 2021Forecast: 5.49 ft 10:00PM Jun 15, 2021Forecast: 5.38 ft 11:00PM Jun 15, 2021Forecast: 5.2 ft 12:00AM Jun 16, 2021Forecast: 4.97 ft 1:00AM Jun 16, 2021Forecast: 4.71 ft 2:00AM Jun 16, 2021Forecast: 4.49 ft 3:00AM Jun 16, 2021Forecast: 4.36 ft 4:00AM Jun 16, 2021Forecast: 4.41 ft 5:00AM Jun 16, 2021Forecast: 4.76 ft 6:00AM Jun 16, 2021Forecast: 5.43 ft 7:00AM Jun 16, 2021Forecast: 5.93 ft 8:00AM Jun 16, 2021Forecast: 6.01 ft 9:00AM Jun 16, 2021Forecast: 5.87 ft 10:00AM Jun 16, 2021Forecast: 5.66 ft 11:00AM Jun 16, 2021Forecast: 5.38 ft 12:00PM Jun 16, 2021Forecast: 5.06 ft 1:00PM Jun 16, 2021Forecast: 4.74 ft 2:00PM Jun 16, 2021Forecast: 4.44 ft 3:00PM Jun 16, 2021Forecast: 4.15 ft 4:00PM Jun 16, 2021Forecast: 3.93 ft 5:00PM Jun 16, 2021Forecast: 3.87 ft 6:00PM Jun 16, 2021Forecast: 4.07 ft 7:00PM Jun 16, 2021Forecast: 4.56 ft 8:00PM Jun 16, 2021Forecast: 5.17 ft 9:00PM Jun 16, 2021Forecast: 5.53 ft 10:00PM Jun 16, 2021Forecast: 5.57 ft 11:00PM Jun 16, 2021Forecast: 5.47 ft 12:00AM Jun 17, 2021Forecast: 5.3 ft 1:00AM Jun 17, 2021Forecast: 5.06 ft 2:00AM Jun 17, 2021Forecast: 4.8 ft 3:00AM Jun 17, 2021Forecast: 4.59 ft 4:00AM Jun 17, 2021Forecast: 4.44 ft 5:00AM Jun 17, 2021Forecast: 4.46 ft 6:00AM Jun 17, 2021Forecast: 4.71 ft 7:00AM Jun 17, 2021Forecast: 5.2 ft 8:00AM Jun 17, 2021Forecast: 5.58 ft 9:00AM Jun 17, 2021Forecast: 5.62 ft 10:00AM Jun 17, 2021Forecast: 5.47 ft 11:00AM Jun 17, 2021Forecast: 5.26 ft 12:00PM Jun 17, 2021Forecast: 4.97 ft 1:00PM Jun 17, 2021Forecast: 4.66 ft 2:00PM Jun 17, 2021Forecast: 4.36 ft 3:00PM Jun 17, 2021Forecast: 4.05 ft 4:00PM Jun 17, 2021Forecast: 3.77 ft 5:00PM Jun 17, 2021Forecast: 3.58 ft 6:00PM Jun 17, 2021Forecast: 3.59 ft 7:00PM Jun 17, 2021Forecast: 3.89 ft 8:00PM Jun 17, 2021Forecast: 4.48 ft 9:00PM Jun 17, 2021Forecast: 5.08 ft 10:00PM Jun 17, 2021Forecast: 5.33 ft 11:00PM Jun 17, 2021Forecast: 5.28 ft 12:00AM Jun 18, 2021Forecast: 5.11 ft 1:00AM Jun 18, 2021Forecast: 4.89 ft 2:00AM Jun 18, 2021Forecast: 4.63 ft 3:00AM Jun 18, 2021Forecast: 4.36 ft 4:00AM Jun 18, 2021Forecast: 4.11 ft 5:00AM Jun 18, 2021Forecast: 3.93 ft 6:00AM Jun 18, 2021Forecast: 3.89 ft 7:00AM Jun 18, 2021Forecast: 4.08 ft 8:00AM Jun 18, 2021Forecast: 4.48 ft 9:00AM Jun 18, 2021SHNO3(plotting HGIRG) Graph Created (9:18AM Jun 13, 2021)ObservedForecast (issued 4:23PM Jun 12)Latest observed value: 6.45 ft at 8:48 AM PDT 13-Jun-2021. Flood Stage is 15.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Columbia River at St. Helens are issued routinely year-round.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Longview
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 18
Flood Stage: 15.5
Action Stage: 14.5
Low Stage (in feet): -9999

Historic Crests
(1) 27.10 ft on 06/14/1948
(2) 24.00 ft on 12/25/1964
(3) 23.20 ft on 06/05/1956
(4) 23.00 ft on 02/10/1996
(5) 21.60 ft on 06/27/1950
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.80 ft on 03/30/2017
(2) 23.00 ft on 02/10/1996
(3) 19.78 ft on 01/03/1996
(4) 17.80 ft on 06/23/1967
(5) 19.60 ft on 01/31/1965
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:16
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Gauge LocationGauge Map Marker
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
23 expect major flooding, especially near Kalama Washington. This river level historically nears the tops of several levees along the Columbia and Lewis Rivers.
21 expect major flooding near St. Helens Oregon and Kalama Washington, along with widespread flooding of lowland agricultural areas.
19 expect widespread lowland flooding. Levee watches have historically been in effect at this and higher stages for Bachelor Island and locations near Lewis River confluence.
17 expect flooding of low lying farmland to begin. Levee watches along the Lewis River historically have been in effect at this level.
15.5 expect flooding of low areas along the Columbia.
Photos
(1) downstream view from gage
(2) NOS gage house
(3) upstream view from gage
About This Location Collapse

Latitude: 45.863611° N, Longitude: 122.796240° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15.5 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0.89 16.39 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
Real-time and archived data from Nat'l Ocean Service
10-day Forecast/Trend, Northwest River Forecast Center
Resources Collapse
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: 2-Nov-2020 7:27 PM
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