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Hydrograph River at a Glance Download
Potomac River at Alexandria Stage (ft)Observed: 1.64 ft at 9:54AM Oct 28, 2014Observed: 1.67 ft at 10:00AM Oct 28, 2014Observed: 1.72 ft at 10:06AM Oct 28, 2014Observed: 1.77 ft at 10:12AM Oct 28, 2014Observed: 1.82 ft at 10:18AM Oct 28, 2014Observed: 1.81 ft at 10:24AM Oct 28, 2014Observed: 1.85 ft at 10:30AM Oct 28, 2014Observed: 1.9 ft at 10:36AM Oct 28, 2014Observed: 1.95 ft at 10:42AM Oct 28, 2014Observed: 1.96 ft at 10:48AM Oct 28, 2014Observed: 2 ft at 10:54AM Oct 28, 2014Observed: 2.02 ft at 11:00AM Oct 28, 2014Observed: 2.06 ft at 11:06AM Oct 28, 2014Observed: 2.08 ft at 11:12AM Oct 28, 2014Observed: 2.09 ft at 11:18AM Oct 28, 2014Observed: 2.1 ft at 11:24AM Oct 28, 2014Observed: 2.11 ft at 11:30AM Oct 28, 2014Observed: 2.12 ft at 11:36AM Oct 28, 2014Observed: 2.13 ft at 11:42AM Oct 28, 2014Observed: 2.13 ft at 11:48AM Oct 28, 2014Observed: 2.12 ft at 11:54AM Oct 28, 2014Observed: 2.11 ft at 12:00PM Oct 28, 2014Observed: 2.1 ft at 12:06PM Oct 28, 2014Observed: 2.08 ft at 12:12PM Oct 28, 2014Observed: 2.04 ft at 12:18PM Oct 28, 2014Observed: 2.01 ft at 12:24PM Oct 28, 2014Observed: 1.97 ft at 12:30PM Oct 28, 2014Observed: 1.94 ft at 12:36PM Oct 28, 2014Observed: 1.9 ft at 12:42PM Oct 28, 2014Observed: 1.85 ft at 12:48PM Oct 28, 2014Observed: 1.8 ft at 12:54PM Oct 28, 2014Observed: 1.76 ft at 1:00PM Oct 28, 2014Observed: 1.7 ft at 1:06PM Oct 28, 2014Observed: 1.65 ft at 1:12PM Oct 28, 2014Observed: 1.6 ft at 1:18PM Oct 28, 2014Observed: 1.55 ft at 1:24PM Oct 28, 2014Observed: 1.46 ft at 1:30PM Oct 28, 2014Observed: 1.43 ft at 1:36PM Oct 28, 2014Observed: 1.34 ft at 1:42PM Oct 28, 2014Observed: 1.31 ft at 1:48PM Oct 28, 2014Observed: 1.21 ft at 1:54PM Oct 28, 2014Observed: 1.14 ft at 2:00PM Oct 28, 2014Observed: 1.1 ft at 2:06PM Oct 28, 2014Observed: 1.02 ft at 2:12PM Oct 28, 2014Observed: 0.95 ft at 2:18PM Oct 28, 2014Observed: 0.91 ft at 2:24PM Oct 28, 2014Observed: 0.85 ft at 2:30PM Oct 28, 2014Observed: 0.79 ft at 2:36PM Oct 28, 2014Observed: 0.73 ft at 2:42PM Oct 28, 2014Observed: 0.63 ft at 2:48PM Oct 28, 2014Observed: 0.6 ft at 2:54PM Oct 28, 2014Observed: 0.53 ft at 3:00PM Oct 28, 2014Observed: 0.49 ft at 3:06PM Oct 28, 2014Observed: 0.43 ft at 3:12PM Oct 28, 2014Observed: 0.37 ft at 3:18PM Oct 28, 2014Observed: 0.32 ft at 3:24PM Oct 28, 2014Observed: 0.26 ft at 3:30PM Oct 28, 2014Observed: 0.21 ft at 3:36PM Oct 28, 2014Observed: 0.15 ft at 3:42PM Oct 28, 2014Observed: 0.1 ft at 3:48PM Oct 28, 2014Observed: 0.05 ft at 3:54PM Oct 28, 2014Observed: 0.01 ft at 4:00PM Oct 28, 2014Observed: -0.04 ft at 4:06PM Oct 28, 2014Observed: -0.08 ft at 4:12PM Oct 28, 2014Observed: -0.12 ft at 4:18PM Oct 28, 2014Observed: -0.17 ft at 4:24PM Oct 28, 2014Observed: -0.19 ft at 4:30PM Oct 28, 2014Observed: -0.26 ft at 4:36PM Oct 28, 2014Observed: -0.29 ft at 4:42PM Oct 28, 2014Observed: -0.3 ft at 4:48PM Oct 28, 2014Observed: -0.35 ft at 4:54PM Oct 28, 2014Observed: -0.37 ft at 5:00PM Oct 28, 2014Observed: -0.39 ft at 5:06PM Oct 28, 2014Observed: -0.43 ft at 5:12PM Oct 28, 2014Observed: -0.45 ft at 5:18PM Oct 28, 2014Observed: -0.49 ft at 5:24PM Oct 28, 2014Observed: -0.51 ft at 5:30PM Oct 28, 2014Observed: -0.52 ft at 5:36PM Oct 28, 2014Observed: -0.53 ft at 5:42PM Oct 28, 2014Observed: -0.54 ft at 5:48PM Oct 28, 2014Observed: -0.55 ft at 5:54PM Oct 28, 2014Observed: -0.57 ft at 6:00PM Oct 28, 2014Observed: -0.58 ft at 6:06PM Oct 28, 2014Observed: -0.59 ft at 6:12PM Oct 28, 2014Observed: -0.6 ft at 6:18PM Oct 28, 2014Observed: -0.6 ft at 6:24PM Oct 28, 2014Observed: -0.59 ft at 6:30PM Oct 28, 2014Observed: -0.58 ft at 6:36PM Oct 28, 2014Observed: -0.57 ft at 6:42PM Oct 28, 2014Observed: -0.54 ft at 6:48PM Oct 28, 2014Observed: -0.52 ft at 6:54PM Oct 28, 2014Observed: -0.48 ft at 7:00PM Oct 28, 2014Observed: -0.47 ft at 7:06PM Oct 28, 2014Observed: -0.42 ft at 7:12PM Oct 28, 2014Observed: -0.36 ft at 7:18PM Oct 28, 2014Observed: -0.31 ft at 7:24PM Oct 28, 2014Observed: -0.24 ft at 7:30PM Oct 28, 2014Observed: -0.19 ft at 7:36PM Oct 28, 2014Observed: -0.14 ft at 7:42PM Oct 28, 2014Observed: -0.06 ft at 7:48PM Oct 28, 2014Observed: -0.01 ft at 7:54PM Oct 28, 2014Observed: 0.08 ft at 8:00PM Oct 28, 2014Observed: 0.13 ft at 8:06PM Oct 28, 2014Observed: 0.23 ft at 8:12PM Oct 28, 2014Observed: 0.31 ft at 8:18PM Oct 28, 2014Observed: 0.39 ft at 8:24PM Oct 28, 2014Observed: 0.47 ft at 8:30PM Oct 28, 2014Observed: 0.55 ft at 8:36PM Oct 28, 2014Observed: 0.63 ft at 8:42PM Oct 28, 2014Observed: 0.72 ft at 8:48PM Oct 28, 2014Observed: 0.81 ft at 8:54PM Oct 28, 2014Observed: 0.89 ft at 9:00PM Oct 28, 2014Observed: 0.97 ft at 9:06PM Oct 28, 2014Observed: 1.05 ft at 9:12PM Oct 28, 2014Observed: 1.15 ft at 9:18PM Oct 28, 2014Observed: 1.23 ft at 9:24PM Oct 28, 2014Observed: 1.31 ft at 9:30PM Oct 28, 2014Observed: 1.39 ft at 9:36PM Oct 28, 2014Observed: 1.44 ft at 9:42PM Oct 28, 2014Observed: 1.54 ft at 9:48PM Oct 28, 2014Observed: 1.62 ft at 9:54PM Oct 28, 2014Observed: 1.7 ft at 10:00PM Oct 28, 2014Observed: 1.75 ft at 10:06PM Oct 28, 2014Observed: 1.83 ft at 10:12PM Oct 28, 2014Observed: 1.87 ft at 10:18PM Oct 28, 2014Observed: 1.92 ft at 10:24PM Oct 28, 2014Observed: 1.98 ft at 10:30PM Oct 28, 2014Observed: 2.03 ft at 10:36PM Oct 28, 2014Observed: 2.08 ft at 10:42PM Oct 28, 2014Observed: 2.13 ft at 10:48PM Oct 28, 2014Observed: 2.17 ft at 10:54PM Oct 28, 2014Observed: 2.21 ft at 11:00PM Oct 28, 2014Observed: 2.22 ft at 11:06PM Oct 28, 2014Observed: 2.27 ft at 11:12PM Oct 28, 2014Observed: 2.29 ft at 11:18PM Oct 28, 2014Observed: 2.33 ft at 11:24PM Oct 28, 2014Observed: 2.34 ft at 11:30PM Oct 28, 2014Observed: 2.36 ft at 11:36PM Oct 28, 2014Observed: 2.37 ft at 11:42PM Oct 28, 2014Observed: 2.38 ft at 11:48PM Oct 28, 2014Observed: 2.4 ft at 11:54PM Oct 28, 2014Observed: 2.41 ft at 12:00AM Oct 29, 2014Observed: 2.41 ft at 12:06AM Oct 29, 2014Highest Observation: 2.42 ft at 12:12AM Oct 29, 2014Observed: 2.41 ft at 12:18AM Oct 29, 2014Observed: 2.39 ft at 12:24AM Oct 29, 2014Observed: 2.38 ft at 12:30AM Oct 29, 2014Observed: 2.36 ft at 12:36AM Oct 29, 2014Observed: 2.34 ft at 12:42AM Oct 29, 2014Observed: 2.3 ft at 12:48AM Oct 29, 2014Observed: 2.26 ft at 12:54AM Oct 29, 2014Observed: 2.21 ft at 1:00AM Oct 29, 2014Observed: 2.16 ft at 1:06AM Oct 29, 2014Observed: 2.14 ft at 1:12AM Oct 29, 2014Observed: 2.1 ft at 1:18AM Oct 29, 2014Observed: 2.04 ft at 1:24AM Oct 29, 2014Observed: 1.99 ft at 1:30AM Oct 29, 2014Observed: 1.94 ft at 1:36AM Oct 29, 2014Observed: 1.85 ft at 1:42AM Oct 29, 2014Observed: 1.82 ft at 1:48AM Oct 29, 2014Observed: 1.74 ft at 1:54AM Oct 29, 2014Observed: 1.69 ft at 2:00AM Oct 29, 2014Observed: 1.61 ft at 2:06AM Oct 29, 2014Observed: 1.56 ft at 2:12AM Oct 29, 2014Observed: 1.5 ft at 2:18AM Oct 29, 2014Observed: 1.4 ft at 2:24AM Oct 29, 2014Observed: 1.35 ft at 2:30AM Oct 29, 2014Observed: 1.29 ft at 2:36AM Oct 29, 2014Observed: 1.21 ft at 2:42AM Oct 29, 2014Observed: 1.12 ft at 2:48AM Oct 29, 2014Observed: 1.05 ft at 2:54AM Oct 29, 2014Observed: 1.01 ft at 3:00AM Oct 29, 2014Observed: 0.93 ft at 3:06AM Oct 29, 2014Observed: 0.88 ft at 3:12AM Oct 29, 2014Observed: 0.82 ft at 3:18AM Oct 29, 2014Observed: 0.76 ft at 3:24AM Oct 29, 2014Observed: 0.7 ft at 3:30AM Oct 29, 2014Observed: 0.64 ft at 3:36AM Oct 29, 2014Observed: 0.58 ft at 3:42AM Oct 29, 2014Observed: 0.53 ft at 3:48AM Oct 29, 2014Observed: 0.46 ft at 3:54AM Oct 29, 2014Observed: 0.4 ft at 4:00AM Oct 29, 2014Observed: 0.34 ft at 4:06AM Oct 29, 2014Observed: 0.28 ft at 4:12AM Oct 29, 2014Observed: 0.23 ft at 4:18AM Oct 29, 2014Observed: 0.18 ft at 4:24AM Oct 29, 2014Observed: 0.14 ft at 4:30AM Oct 29, 2014Observed: 0.09 ft at 4:36AM Oct 29, 2014Observed: 0.04 ft at 4:42AM Oct 29, 2014Observed: -0.02 ft at 4:48AM Oct 29, 2014Observed: -0.06 ft at 4:54AM Oct 29, 2014Observed: -0.11 ft at 5:00AM Oct 29, 2014Observed: -0.15 ft at 5:06AM Oct 29, 2014Observed: -0.19 ft at 5:12AM Oct 29, 2014Observed: -0.21 ft at 5:18AM Oct 29, 2014Observed: -0.29 ft at 5:24AM Oct 29, 2014Observed: -0.33 ft at 5:30AM Oct 29, 2014Observed: -0.36 ft at 5:36AM Oct 29, 2014Observed: -0.4 ft at 5:42AM Oct 29, 2014Observed: -0.44 ft at 5:48AM Oct 29, 2014Observed: -0.47 ft at 5:54AM Oct 29, 2014Observed: -0.49 ft at 6:00AM Oct 29, 2014Observed: -0.53 ft at 6:06AM Oct 29, 2014Observed: -0.58 ft at 6:12AM Oct 29, 2014Observed: -0.59 ft at 6:18AM Oct 29, 2014Observed: -0.63 ft at 6:24AM Oct 29, 2014Observed: -0.65 ft at 6:30AM Oct 29, 2014Observed: -0.67 ft at 6:36AM Oct 29, 2014Observed: -0.68 ft at 6:42AM Oct 29, 2014Observed: -0.7 ft at 6:48AM Oct 29, 2014Observed: -0.72 ft at 6:54AM Oct 29, 2014Observed: -0.76 ft at 7:00AM Oct 29, 2014Observed: -0.77 ft at 7:06AM Oct 29, 2014Observed: -0.78 ft at 7:12AM Oct 29, 2014Observed: -0.79 ft at 7:18AM Oct 29, 2014Observed: -0.79 ft at 7:24AM Oct 29, 2014Observed: -0.8 ft at 7:30AM Oct 29, 2014Observed: -0.8 ft at 7:36AM Oct 29, 2014Observed: -0.79 ft at 7:42AM Oct 29, 2014Observed: -0.8 ft at 7:48AM Oct 29, 2014Observed: -0.78 ft at 7:54AM Oct 29, 2014Observed: -0.76 ft at 8:00AM Oct 29, 2014Observed: -0.72 ft at 8:06AM Oct 29, 2014Observed: -0.7 ft at 8:12AM Oct 29, 2014Observed: -0.66 ft at 8:18AM Oct 29, 2014Observed: -0.64 ft at 8:24AM Oct 29, 2014Observed: -0.57 ft at 8:30AM Oct 29, 2014Observed: -0.54 ft at 8:36AM Oct 29, 2014Observed: -0.47 ft at 8:42AM Oct 29, 2014Observed: -0.42 ft at 8:48AM Oct 29, 2014Observed: -0.37 ft at 8:54AM Oct 29, 2014Observed: -0.3 ft at 9:00AM Oct 29, 2014Observed: -0.25 ft at 9:06AM Oct 29, 2014Observed: -0.16 ft at 9:12AM Oct 29, 2014Observed: -0.11 ft at 9:18AM Oct 29, 2014Observed: -0.03 ft at 9:24AM Oct 29, 2014Observed: 0.05 ft at 9:30AM Oct 29, 2014Observed: 0.12 ft at 9:36AM Oct 29, 2014Observed: 0.21 ft at 9:42AM Oct 29, 2014Observed: 0.24 ft at 9:48AM Oct 29, 2014Observed: 0.34 ft at 9:54AM Oct 29, 2014Observed: 0.42 ft at 10:00AM Oct 29, 2014Observed: 0.49 ft at 10:06AM Oct 29, 2014Observed: 0.56 ft at 10:12AM Oct 29, 2014Observed: 0.64 ft at 10:18AM Oct 29, 2014Observed: 0.69 ft at 10:24AM Oct 29, 2014Observed: 0.79 ft at 10:30AM Oct 29, 2014Observed: 0.84 ft at 10:36AM Oct 29, 2014Observed: 0.93 ft at 10:42AM Oct 29, 2014Observed: 0.98 ft at 10:48AM Oct 29, 2014Observed: 1.06 ft at 10:54AM Oct 29, 2014Observed: 1.1 ft at 11:00AM Oct 29, 2014Observed: 1.15 ft at 11:06AM Oct 29, 2014Observed: 1.21 ft at 11:12AM Oct 29, 2014Observed: 1.26 ft at 11:18AM Oct 29, 2014Observed: 1.3 ft at 11:24AM Oct 29, 2014Observed: 1.35 ft at 11:30AM Oct 29, 2014Observed: 1.37 ft at 11:36AM Oct 29, 2014Observed: 1.42 ft at 11:42AM Oct 29, 2014Observed: 1.47 ft at 11:48AM Oct 29, 2014Observed: 1.5 ft at 11:54AM Oct 29, 2014Observed: 1.52 ft at 12:00PM Oct 29, 2014Observed: 1.53 ft at 12:06PM Oct 29, 2014Observed: 1.54 ft at 12:12PM Oct 29, 2014Observed: 1.55 ft at 12:18PM Oct 29, 2014Observed: 1.55 ft at 12:24PM Oct 29, 2014Observed: 1.56 ft at 12:30PM Oct 29, 2014Observed: 1.56 ft at 12:36PM Oct 29, 2014Observed: 1.55 ft at 12:42PM Oct 29, 2014Observed: 1.55 ft at 12:48PM Oct 29, 2014Observed: 1.54 ft at 12:54PM Oct 29, 2014Observed: 1.54 ft at 1:00PM Oct 29, 2014Observed: 1.51 ft at 1:06PM Oct 29, 2014Observed: 1.5 ft at 1:12PM Oct 29, 2014Observed: 1.48 ft at 1:18PM Oct 29, 2014Observed: 1.45 ft at 1:24PM Oct 29, 2014Observed: 1.43 ft at 1:30PM Oct 29, 2014Observed: 1.39 ft at 1:36PM Oct 29, 2014Observed: 1.34 ft at 1:42PM Oct 29, 2014Observed: 1.3 ft at 1:48PM Oct 29, 2014Observed: 1.26 ft at 1:54PM Oct 29, 2014Observed: 1.21 ft at 2:00PM Oct 29, 2014Observed: 1.15 ft at 2:06PM Oct 29, 2014Observed: 1.09 ft at 2:12PM Oct 29, 2014Observed: 1.05 ft at 2:18PM Oct 29, 2014Observed: 1 ft at 2:24PM Oct 29, 2014Observed: 0.94 ft at 2:30PM Oct 29, 2014Observed: 0.89 ft at 2:36PM Oct 29, 2014Observed: 0.8 ft at 2:42PM Oct 29, 2014Observed: 0.74 ft at 2:48PM Oct 29, 2014Observed: 0.69 ft at 2:54PM Oct 29, 2014Observed: 0.65 ft at 3:00PM Oct 29, 2014Observed: 0.55 ft at 3:06PM Oct 29, 2014Observed: 0.5 ft at 3:12PM Oct 29, 2014Observed: 0.44 ft at 3:18PM Oct 29, 2014Observed: 0.38 ft at 3:24PM Oct 29, 2014Observed: 0.32 ft at 3:30PM Oct 29, 2014Observed: 0.27 ft at 3:36PM Oct 29, 2014Observed: 0.22 ft at 3:42PM Oct 29, 2014Observed: 0.17 ft at 3:48PM Oct 29, 2014Observed: 0.11 ft at 3:54PM Oct 29, 2014Observed: 0.05 ft at 4:00PM Oct 29, 2014Observed: -0.01 ft at 4:06PM Oct 29, 2014Observed: -0.07 ft at 4:12PM Oct 29, 2014Observed: -0.12 ft at 4:18PM Oct 29, 2014Observed: -0.18 ft at 4:24PM Oct 29, 2014Observed: -0.23 ft at 4:30PM Oct 29, 2014Observed: -0.28 ft at 4:36PM Oct 29, 2014Observed: -0.33 ft at 4:42PM Oct 29, 2014Observed: -0.38 ft at 4:48PM Oct 29, 2014Observed: -0.42 ft at 4:54PM Oct 29, 2014Observed: -0.47 ft at 5:00PM Oct 29, 2014Observed: -0.51 ft at 5:06PM Oct 29, 2014Observed: -0.56 ft at 5:12PM Oct 29, 2014Observed: -0.58 ft at 5:18PM Oct 29, 2014Observed: -0.62 ft at 5:24PM Oct 29, 2014Observed: -0.66 ft at 5:30PM Oct 29, 2014Observed: -0.7 ft at 5:36PM Oct 29, 2014Observed: -0.74 ft at 5:42PM Oct 29, 2014Observed: -0.75 ft at 5:48PM Oct 29, 2014Observed: -0.8 ft at 5:54PM Oct 29, 2014Observed: -0.82 ft at 6:00PM Oct 29, 2014Observed: -0.85 ft at 6:06PM Oct 29, 2014Observed: -0.87 ft at 6:12PM Oct 29, 2014Observed: -0.89 ft at 6:18PM Oct 29, 2014Observed: -0.9 ft at 6:24PM Oct 29, 2014Observed: -0.92 ft at 6:30PM Oct 29, 2014Observed: -0.96 ft at 6:36PM Oct 29, 2014Observed: -0.97 ft at 6:42PM Oct 29, 2014Observed: -0.99 ft at 6:48PM Oct 29, 2014Observed: -1 ft at 6:54PM Oct 29, 2014Observed: -1 ft at 7:00PM Oct 29, 2014Observed: -1.02 ft at 7:06PM Oct 29, 2014Observed: -1.03 ft at 7:12PM Oct 29, 2014Observed: -1.04 ft at 7:18PM Oct 29, 2014Observed: -1.04 ft at 7:24PM Oct 29, 2014Observed: -1.04 ft at 7:30PM Oct 29, 2014Observed: -1.04 ft at 7:36PM Oct 29, 2014Observed: -1.03 ft at 7:42PM Oct 29, 2014Observed: -1.02 ft at 7:48PM Oct 29, 2014Observed: -0.98 ft at 7:54PM Oct 29, 2014Observed: -0.94 ft at 8:00PM Oct 29, 2014Observed: -0.9 ft at 8:06PM Oct 29, 2014Observed: -0.89 ft at 8:12PM Oct 29, 2014Observed: -0.81 ft at 8:18PM Oct 29, 2014Observed: -0.74 ft at 8:24PM Oct 29, 2014Observed: -0.7 ft at 8:30PM Oct 29, 2014Observed: -0.65 ft at 8:36PM Oct 29, 2014Observed: -0.57 ft at 8:42PM Oct 29, 2014Observed: -0.5 ft at 8:48PM Oct 29, 2014Observed: -0.45 ft at 8:54PM Oct 29, 2014Observed: -0.36 ft at 9:00PM Oct 29, 2014Observed: -0.31 ft at 9:06PM Oct 29, 2014Observed: -0.23 ft at 9:12PM Oct 29, 2014Observed: -0.14 ft at 9:18PM Oct 29, 2014Observed: -0.06 ft at 9:24PM Oct 29, 2014Observed: 0.01 ft at 9:30PM Oct 29, 2014Observed: 0.09 ft at 9:36PM Oct 29, 2014Observed: 0.18 ft at 9:42PM Oct 29, 2014Observed: 0.29 ft at 9:48PM Oct 29, 2014Observed: 0.37 ft at 9:54PM Oct 29, 2014Observed: 0.45 ft at 10:00PM Oct 29, 2014Observed: 0.53 ft at 10:06PM Oct 29, 2014Observed: 0.61 ft at 10:12PM Oct 29, 2014Observed: 0.7 ft at 10:18PM Oct 29, 2014Observed: 0.8 ft at 10:24PM Oct 29, 2014Observed: 0.86 ft at 10:30PM Oct 29, 2014Observed: 0.95 ft at 10:36PM Oct 29, 2014Observed: 1.04 ft at 10:42PM Oct 29, 2014Observed: 1.09 ft at 10:48PM Oct 29, 2014Observed: 1.15 ft at 10:54PM Oct 29, 2014Observed: 1.24 ft at 11:00PM Oct 29, 2014Observed: 1.29 ft at 11:06PM Oct 29, 2014Observed: 1.37 ft at 11:12PM Oct 29, 2014Observed: 1.41 ft at 11:18PM Oct 29, 2014Observed: 1.47 ft at 11:24PM Oct 29, 2014Observed: 1.53 ft at 11:30PM Oct 29, 2014Observed: 1.57 ft at 11:36PM Oct 29, 2014Observed: 1.62 ft at 11:42PM Oct 29, 2014Observed: 1.67 ft at 11:48PM Oct 29, 2014Observed: 1.71 ft at 11:54PM Oct 29, 2014Observed: 1.74 ft at 12:00AM Oct 30, 2014Observed: 1.76 ft at 12:06AM Oct 30, 2014Observed: 1.8 ft at 12:12AM Oct 30, 2014Observed: 1.82 ft at 12:18AM Oct 30, 2014Observed: 1.84 ft at 12:24AM Oct 30, 2014Observed: 1.85 ft at 12:30AM Oct 30, 2014Observed: 1.86 ft at 12:36AM Oct 30, 2014Observed: 1.87 ft at 12:42AM Oct 30, 2014Observed: 1.88 ft at 12:48AM Oct 30, 2014Observed: 1.89 ft at 12:54AM Oct 30, 2014Observed: 1.88 ft at 1:00AM Oct 30, 2014Observed: 1.88 ft at 1:06AM Oct 30, 2014Observed: 1.87 ft at 1:12AM Oct 30, 2014Observed: 1.86 ft at 1:18AM Oct 30, 2014Observed: 1.84 ft at 1:24AM Oct 30, 2014Observed: 1.8 ft at 1:30AM Oct 30, 2014Observed: 1.78 ft at 1:36AM Oct 30, 2014Observed: 1.76 ft at 1:42AM Oct 30, 2014Observed: 1.72 ft at 1:48AM Oct 30, 2014Observed: 1.7 ft at 1:54AM Oct 30, 2014Observed: 1.66 ft at 2:00AM Oct 30, 2014Observed: 1.61 ft at 2:06AM Oct 30, 2014Observed: 1.57 ft at 2:12AM Oct 30, 2014Observed: 1.53 ft at 2:18AM Oct 30, 2014Observed: 1.48 ft at 2:24AM Oct 30, 2014Observed: 1.43 ft at 2:30AM Oct 30, 2014Observed: 1.39 ft at 2:36AM Oct 30, 2014Observed: 1.34 ft at 2:42AM Oct 30, 2014Observed: 1.28 ft at 2:48AM Oct 30, 2014Observed: 1.23 ft at 2:54AM Oct 30, 2014Observed: 1.17 ft at 3:00AM Oct 30, 2014Observed: 1.11 ft at 3:06AM Oct 30, 2014Observed: 1.05 ft at 3:12AM Oct 30, 2014Observed: 0.99 ft at 3:18AM Oct 30, 2014Observed: 0.94 ft at 3:24AM Oct 30, 2014Observed: 0.88 ft at 3:30AM Oct 30, 2014Observed: 0.82 ft at 3:36AM Oct 30, 2014Observed: 0.75 ft at 3:42AM Oct 30, 2014Observed: 0.69 ft at 3:48AM Oct 30, 2014Observed: 0.63 ft at 3:54AM Oct 30, 2014Observed: 0.57 ft at 4:00AM Oct 30, 2014Observed: 0.49 ft at 4:06AM Oct 30, 2014Observed: 0.44 ft at 4:12AM Oct 30, 2014Observed: 0.39 ft at 4:18AM Oct 30, 2014Observed: 0.31 ft at 4:24AM Oct 30, 2014Observed: 0.27 ft at 4:30AM Oct 30, 2014Observed: 0.21 ft at 4:36AM Oct 30, 2014Observed: 0.15 ft at 4:42AM Oct 30, 2014Observed: 0.1 ft at 4:48AM Oct 30, 2014Observed: 0.04 ft at 4:54AM Oct 30, 2014Observed: -0.02 ft at 5:00AM Oct 30, 2014Observed: -0.07 ft at 5:06AM Oct 30, 2014Observed: -0.13 ft at 5:12AM Oct 30, 2014Observed: -0.18 ft at 5:18AM Oct 30, 2014Observed: -0.23 ft at 5:24AM Oct 30, 2014Observed: -0.28 ft at 5:30AM Oct 30, 2014Observed: -0.33 ft at 5:36AM Oct 30, 2014Observed: -0.38 ft at 5:42AM Oct 30, 2014Observed: -0.42 ft at 5:48AM Oct 30, 2014Observed: -0.47 ft at 5:54AM Oct 30, 2014Observed: -0.51 ft at 6:00AM Oct 30, 2014Observed: -0.56 ft at 6:06AM Oct 30, 2014Observed: -0.6 ft at 6:12AM Oct 30, 2014Observed: -0.64 ft at 6:18AM Oct 30, 2014Observed: -0.67 ft at 6:24AM Oct 30, 2014Observed: -0.69 ft at 6:30AM Oct 30, 2014Observed: -0.74 ft at 6:36AM Oct 30, 2014Observed: -0.76 ft at 6:42AM Oct 30, 2014Observed: -0.8 ft at 6:48AM Oct 30, 2014Observed: -0.84 ft at 6:54AM Oct 30, 2014Observed: -0.86 ft at 7:00AM Oct 30, 2014Observed: -0.89 ft at 7:06AM Oct 30, 2014Observed: -0.91 ft at 7:12AM Oct 30, 2014Observed: -0.93 ft at 7:18AM Oct 30, 2014Observed: -0.95 ft at 7:24AM Oct 30, 2014Observed: -0.99 ft at 7:30AM Oct 30, 2014Observed: -1.01 ft at 7:36AM Oct 30, 2014Observed: -1.02 ft at 7:42AM Oct 30, 2014Observed: -1.04 ft at 7:48AM Oct 30, 2014Observed: -1.06 ft at 7:54AM Oct 30, 2014Observed: -1.07 ft at 8:00AM Oct 30, 2014Observed: -1.08 ft at 8:06AM Oct 30, 2014Observed: -1.09 ft at 8:12AM Oct 30, 2014Observed: -1.1 ft at 8:18AM Oct 30, 2014Observed: -1.11 ft at 8:24AM Oct 30, 2014Observed: -1.12 ft at 8:30AM Oct 30, 2014Observed: -1.12 ft at 8:36AM Oct 30, 2014Observed: -1.11 ft at 8:42AM Oct 30, 2014Observed: -1.1 ft at 8:48AM Oct 30, 2014Observed: -1.09 ft at 8:54AM Oct 30, 2014Observed: -1.05 ft at 9:00AM Oct 30, 2014Observed: -1.01 ft at 9:06AM Oct 30, 2014Observed: -0.99 ft at 9:12AM Oct 30, 2014Observed: -0.95 ft at 9:18AM Oct 30, 2014Observed: -0.9 ft at 9:24AM Oct 30, 2014Observed: -0.84 ft at 9:30AM Oct 30, 2014Observed: -0.8 ft at 9:36AM Oct 30, 2014Observed: -0.75 ft at 9:42AM Oct 30, 2014Observed: -0.69 ft at 9:48AM Oct 30, 2014Observed: -0.6 ft at 9:54AM Oct 30, 2014Observed: -0.55 ft at 10:00AM Oct 30, 2014Observed: -0.5 ft at 10:06AM Oct 30, 2014Observed: -0.42 ft at 10:12AM Oct 30, 2014Observed: -0.34 ft at 10:18AM Oct 30, 2014Observed: -0.29 ft at 10:24AM Oct 30, 2014Observed: -0.23 ft at 10:30AM Oct 30, 2014Observed: -0.13 ft at 10:36AM Oct 30, 2014Observed: -0.05 ft at 10:42AM Oct 30, 2014Observed: -0.01 ft at 10:48AM Oct 30, 2014Observed: 0.08 ft at 10:54AM Oct 30, 2014Observed: 0.13 ft at 11:00AM Oct 30, 2014Observed: 0.22 ft at 11:06AM Oct 30, 2014Observed: 0.29 ft at 11:12AM Oct 30, 2014Observed: 0.34 ft at 11:18AM Oct 30, 2014Observed: 0.43 ft at 11:24AM Oct 30, 2014Observed: 0.47 ft at 11:30AM Oct 30, 2014Observed: 0.57 ft at 11:36AM Oct 30, 2014Observed: 0.62 ft at 11:42AM Oct 30, 2014Observed: 0.67 ft at 11:48AM Oct 30, 2014Observed: 0.72 ft at 11:54AM Oct 30, 2014Observed: 0.78 ft at 12:00PM Oct 30, 2014Observed: 0.83 ft at 12:06PM Oct 30, 2014Observed: 0.89 ft at 12:12PM Oct 30, 2014Observed: 0.94 ft at 12:18PM Oct 30, 2014Observed: 0.97 ft at 12:24PM Oct 30, 2014Observed: 1.02 ft at 12:30PM Oct 30, 2014Observed: 1.07 ft at 12:36PM Oct 30, 2014Observed: 1.11 ft at 12:42PM Oct 30, 2014Observed: 1.14 ft at 12:48PM Oct 30, 2014Observed: 1.16 ft at 12:54PM Oct 30, 2014Observed: 1.18 ft at 1:00PM Oct 30, 2014Observed: 1.23 ft at 1:06PM Oct 30, 2014Observed: 1.25 ft at 1:12PM Oct 30, 2014Observed: 1.27 ft at 1:18PM Oct 30, 2014Observed: 1.3 ft at 1:24PM Oct 30, 2014Observed: 1.32 ft at 1:30PM Oct 30, 2014Observed: 1.34 ft at 1:36PM Oct 30, 2014Observed: 1.35 ft at 1:42PM Oct 30, 2014Observed: 1.37 ft at 1:48PM Oct 30, 2014Observed: 1.38 ft at 1:54PM Oct 30, 2014Observed: 1.38 ft at 2:00PM Oct 30, 2014Observed: 1.39 ft at 2:06PM Oct 30, 2014Observed: 1.39 ft at 2:12PM Oct 30, 2014Observed: 1.39 ft at 2:18PM Oct 30, 2014Observed: 1.38 ft at 2:24PM Oct 30, 2014Observed: 1.37 ft at 2:30PM Oct 30, 2014Observed: 1.36 ft at 2:36PM Oct 30, 2014Observed: 1.34 ft at 2:42PM Oct 30, 2014Observed: 1.33 ft at 2:48PM Oct 30, 2014Observed: 1.32 ft at 2:54PM Oct 30, 2014Observed: 1.28 ft at 3:00PM Oct 30, 2014Observed: 1.24 ft at 3:06PM Oct 30, 2014Observed: 1.23 ft at 3:12PM Oct 30, 2014Observed: 1.19 ft at 3:18PM Oct 30, 2014Observed: 1.17 ft at 3:24PM Oct 30, 2014Observed: 1.13 ft at 3:30PM Oct 30, 2014Observed: 1.08 ft at 3:36PM Oct 30, 2014Observed: 1.04 ft at 3:42PM Oct 30, 2014Observed: 1 ft at 3:48PM Oct 30, 2014Observed: 0.98 ft at 3:54PM Oct 30, 2014Observed: 0.94 ft at 4:00PM Oct 30, 2014Observed: 0.89 ft at 4:06PM Oct 30, 2014Observed: 0.84 ft at 4:12PM Oct 30, 2014Observed: 0.82 ft at 4:18PM Oct 30, 2014Observed: 0.75 ft at 4:24PM Oct 30, 2014Observed: 0.71 ft at 4:30PM Oct 30, 2014Observed: 0.66 ft at 4:36PM Oct 30, 2014Observed: 0.62 ft at 4:42PM Oct 30, 2014Observed: 0.55 ft at 4:48PM Oct 30, 2014Observed: 0.52 ft at 4:54PM Oct 30, 2014Observed: 0.48 ft at 5:00PM Oct 30, 2014Observed: 0.41 ft at 5:06PM Oct 30, 2014Observed: 0.38 ft at 5:12PM Oct 30, 2014Observed: 0.34 ft at 5:18PM Oct 30, 2014Observed: 0.29 ft at 5:24PM Oct 30, 2014Observed: 0.22 ft at 5:30PM Oct 30, 2014Observed: 0.2 ft at 5:36PM Oct 30, 2014Observed: 0.13 ft at 5:42PM Oct 30, 2014Observed: 0.11 ft at 5:48PM Oct 30, 2014Observed: 0.04 ft at 5:54PM Oct 30, 2014Observed: 0.01 ft at 6:00PM Oct 30, 2014Observed: -0.05 ft at 6:06PM Oct 30, 2014Observed: -0.09 ft at 6:12PM Oct 30, 2014Observed: -0.1 ft at 6:18PM Oct 30, 2014Observed: -0.14 ft at 6:24PM Oct 30, 2014Observed: -0.19 ft at 6:30PM Oct 30, 2014Observed: -0.21 ft at 6:36PM Oct 30, 2014Observed: -0.25 ft at 6:42PM Oct 30, 2014Observed: -0.29 ft at 6:48PM Oct 30, 2014Observed: -0.3 ft at 6:54PM Oct 30, 2014Observed: -0.33 ft at 7:00PM Oct 30, 2014Observed: -0.34 ft at 7:06PM Oct 30, 2014Observed: -0.36 ft at 7:12PM Oct 30, 2014Observed: -0.4 ft at 7:18PM Oct 30, 2014Observed: -0.44 ft at 7:24PM Oct 30, 2014Observed: -0.45 ft at 7:30PM Oct 30, 2014Observed: -0.47 ft at 7:36PM Oct 30, 2014Observed: -0.48 ft at 7:42PM Oct 30, 2014Observed: -0.49 ft at 7:48PM Oct 30, 2014Observed: -0.5 ft at 7:54PM Oct 30, 2014Observed: -0.5 ft at 8:00PM Oct 30, 2014Observed: -0.51 ft at 8:06PM Oct 30, 2014Observed: -0.51 ft at 8:12PM Oct 30, 2014Observed: -0.51 ft at 8:18PM Oct 30, 2014Observed: -0.5 ft at 8:24PM Oct 30, 2014Observed: -0.49 ft at 8:30PM Oct 30, 2014Observed: -0.47 ft at 8:36PM Oct 30, 2014Observed: -0.45 ft at 8:42PM Oct 30, 2014Observed: -0.41 ft at 8:48PM Oct 30, 2014Observed: -0.39 ft at 8:54PM Oct 30, 2014Observed: -0.37 ft at 9:00PM Oct 30, 2014Observed: -0.32 ft at 9:06PM Oct 30, 2014Observed: -0.27 ft at 9:12PM Oct 30, 2014Observed: -0.25 ft at 9:18PM Oct 30, 2014Observed: -0.18 ft at 9:24PM Oct 30, 2014Observed: -0.14 ft at 9:30PM Oct 30, 2014Observed: -0.09 ft at 9:36PM Oct 30, 2014Observed: -0.04 ft at 9:42PM Oct 30, 2014Observed: 0.03 ft at 9:48PM Oct 30, 2014Observed: 0.06 ft at 9:54PM Oct 30, 2014Observed: 0.14 ft at 10:00PM Oct 30, 2014Observed: 0.21 ft at 10:06PM Oct 30, 2014Observed: 0.26 ft at 10:12PM Oct 30, 2014Observed: 0.32 ft at 10:18PM Oct 30, 2014Observed: 0.42 ft at 10:24PM Oct 30, 2014Observed: 0.47 ft at 10:30PM Oct 30, 2014Observed: 0.55 ft at 10:36PM Oct 30, 2014Observed: 0.63 ft at 10:42PM Oct 30, 2014Observed: 0.68 ft at 10:48PM Oct 30, 2014Observed: 0.76 ft at 10:54PM Oct 30, 2014Observed: 0.83 ft at 11:00PM Oct 30, 2014Observed: 0.88 ft at 11:06PM Oct 30, 2014Observed: 0.96 ft at 11:12PM Oct 30, 2014Observed: 1.03 ft at 11:18PM Oct 30, 2014Observed: 1.1 ft at 11:24PM Oct 30, 2014Observed: 1.15 ft at 11:30PM Oct 30, 2014Observed: 1.21 ft at 11:36PM Oct 30, 2014Observed: 1.3 ft at 11:42PM Oct 30, 2014Observed: 1.35 ft at 11:48PM Oct 30, 2014Observed: 1.41 ft at 11:54PM Oct 30, 2014Observed: 1.47 ft at 12:00AM Oct 31, 2014Observed: 1.52 ft at 12:06AM Oct 31, 2014Observed: 1.58 ft at 12:12AM Oct 31, 2014Observed: 1.63 ft at 12:18AM Oct 31, 2014Observed: 1.68 ft at 12:24AM Oct 31, 2014Observed: 1.73 ft at 12:30AM Oct 31, 2014Observed: 1.78 ft at 12:36AM Oct 31, 2014Observed: 1.82 ft at 12:42AM Oct 31, 2014Observed: 1.86 ft at 12:48AM Oct 31, 2014USGS--Water Resources of the United StatesAXTV2(plotting HGIRG) Graph Created (1:35AM Oct 31, 2014)ObservedLatest observed value: 1.86 ft at 12:48 AM EDT 31-Oct-2014. Flood Stage is 3.1 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge reading affected by tides.

NOTE: Forecasts are not available for the Potomac River at Alexandria. Only observed stages are available for this point.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Lewisetta
Flood Categories (in feet)
Major Flood Stage:6.6
Moderate Flood Stage:4.5
Flood Stage:3.1
Action Stage:2.5

Currently none available.

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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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
5.5 FLOODWATERS REACH ABOUT A BLOCK AND A HALF INLAND AT KING STREET AND COVER ABOUT TWO BLOCKS OF UNION STREET.
5 FLOODWATERS MOVE PAST THE INTERSECTION OF KING STREET AND UNION STREET.
4.75 FLOODING IS ONGOING AT SEVERAL BUSINESSES NEAR THE INTERSECTION OF KING STREET AND UNION STREET.
4 WATER APPROACHES BUILDINGS NEAR THE INTERSECTION OF KING STREET AND UNION STREET.
3.75 UNION STREET IS COVERED BY WATER NEAR KING STREET.
3.25 WATER COVERS THE EASTERNMOST END OF KING STREET.
3.1 WATER REACHES THE CURB NEAR THE INTERSECTION OF KING STREET AND STRAND STREET.
2.7 WATER BEGINS TO POOL NEAR THE CORNER OF STRAND STREET AND WALES ALLEY IN ALEXANDRIA.
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Latitude: 38.805278° N, Longitude: 77.038333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 3.1 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 0.00 2.70 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0.75 3.45 Older USGS topographic maps, NGVD29 benchmarks
MSL -0.18 2.52 Older USGS topographic maps, MSL benchmarks
Other 1.40 4.10  

Current/Historical Observations:

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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
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 5-Aug-2014 6:39 PM
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