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Hydrograph River at a Glance Download
Big Sioux River above Hawarden Stage (ft)Flow (cfs)Highest Observation: 21.44 ft at 7:00PM Jun 07, 2019Observed: 21.43 ft at 7:15PM Jun 07, 2019Observed: 21.43 ft at 7:16PM Jun 07, 2019Highest Observation: 21.44 ft at 7:30PM Jun 07, 2019Highest Observation: 21.44 ft at 7:31PM Jun 07, 2019Observed: 21.43 ft at 7:45PM Jun 07, 2019Observed: 21.43 ft at 7:46PM Jun 07, 2019Observed: 21.4 ft at 8:00PM Jun 07, 2019Observed: 21.42 ft at 8:15PM Jun 07, 2019Observed: 21.42 ft at 8:30PM Jun 07, 2019Observed: 21.43 ft at 8:45PM Jun 07, 2019Observed: 21.41 ft at 9:00PM Jun 07, 2019Observed: 21.43 ft at 9:15PM Jun 07, 2019Observed: 21.39 ft at 9:30PM Jun 07, 2019Observed: 21.39 ft at 9:45PM Jun 07, 2019Observed: 21.38 ft at 10:00PM Jun 07, 2019Observed: 21.39 ft at 10:15PM Jun 07, 2019Observed: 21.36 ft at 10:30PM Jun 07, 2019Observed: 21.38 ft at 10:45PM Jun 07, 2019Observed: 21.33 ft at 11:00PM Jun 07, 2019Observed: 21.34 ft at 11:15PM Jun 07, 2019Observed: 21.34 ft at 11:30PM Jun 07, 2019Observed: 21.33 ft at 11:45PM Jun 07, 2019Observed: 21.34 ft at 12:00AM Jun 08, 2019Observed: 21.32 ft at 12:15AM Jun 08, 2019Observed: 21.3 ft at 12:30AM Jun 08, 2019Observed: 21.32 ft at 12:45AM Jun 08, 2019Observed: 21.3 ft at 1:00AM Jun 08, 2019Observed: 21.31 ft at 1:15AM Jun 08, 2019Observed: 21.29 ft at 1:30AM Jun 08, 2019Observed: 21.27 ft at 1:45AM Jun 08, 2019Observed: 21.28 ft at 2:00AM Jun 08, 2019Observed: 21.28 ft at 2:15AM Jun 08, 2019Observed: 21.28 ft at 2:30AM Jun 08, 2019Observed: 21.26 ft at 2:45AM Jun 08, 2019Observed: 21.26 ft at 3:00AM Jun 08, 2019Observed: 21.26 ft at 3:15AM Jun 08, 2019Observed: 21.26 ft at 3:16AM Jun 08, 2019Observed: 21.26 ft at 3:30AM Jun 08, 2019Observed: 21.26 ft at 3:31AM Jun 08, 2019Observed: 21.24 ft at 3:45AM Jun 08, 2019Observed: 21.24 ft at 3:46AM Jun 08, 2019Observed: 21.23 ft at 4:00AM Jun 08, 2019Observed: 21.23 ft at 4:15AM Jun 08, 2019Observed: 21.24 ft at 4:30AM Jun 08, 2019Observed: 21.21 ft at 4:45AM Jun 08, 2019Observed: 21.22 ft at 5:00AM Jun 08, 2019Observed: 21.22 ft at 5:15AM Jun 08, 2019Observed: 21.21 ft at 5:30AM Jun 08, 2019Observed: 21.19 ft at 5:45AM Jun 08, 2019Observed: 21.21 ft at 6:00AM Jun 08, 2019Observed: 21.17 ft at 6:15AM Jun 08, 2019Observed: 21.18 ft at 6:30AM Jun 08, 2019Observed: 21.17 ft at 6:45AM Jun 08, 2019Observed: 21.17 ft at 7:00AM Jun 08, 2019Observed: 21.16 ft at 7:15AM Jun 08, 2019Observed: 21.13 ft at 7:30AM Jun 08, 2019Observed: 21.17 ft at 7:45AM Jun 08, 2019Observed: 21.14 ft at 8:00AM Jun 08, 2019Observed: 21.14 ft at 8:15AM Jun 08, 2019Observed: 21.16 ft at 8:30AM Jun 08, 2019Observed: 21.15 ft at 8:45AM Jun 08, 2019Observed: 21.14 ft at 9:00AM Jun 08, 2019Observed: 21.12 ft at 9:15AM Jun 08, 2019Observed: 21.1 ft at 9:30AM Jun 08, 2019Observed: 21.1 ft at 9:45AM Jun 08, 2019Observed: 21.11 ft at 10:00AM Jun 08, 2019Observed: 21.12 ft at 10:15AM Jun 08, 2019Observed: 21.09 ft at 10:30AM Jun 08, 2019Observed: 21.1 ft at 10:45AM Jun 08, 2019Observed: 21.07 ft at 11:00AM Jun 08, 2019Observed: 21.07 ft at 11:15AM Jun 08, 2019Observed: 21.07 ft at 11:16AM Jun 08, 2019Observed: 21.05 ft at 11:30AM Jun 08, 2019Observed: 21.05 ft at 11:31AM Jun 08, 2019Observed: 21.08 ft at 11:45AM Jun 08, 2019Observed: 21.08 ft at 11:46AM Jun 08, 2019Observed: 21.05 ft at 12:00PM Jun 08, 2019Observed: 21.05 ft at 12:15PM Jun 08, 2019Observed: 21.05 ft at 12:30PM Jun 08, 2019Observed: 21.06 ft at 12:45PM Jun 08, 2019Observed: 21.03 ft at 1:00PM Jun 08, 2019Observed: 21.04 ft at 1:15PM Jun 08, 2019Observed: 21.02 ft at 1:30PM Jun 08, 2019Observed: 21.02 ft at 1:45PM Jun 08, 2019Observed: 21.02 ft at 2:00PM Jun 08, 2019Observed: 21.02 ft at 2:15PM Jun 08, 2019Observed: 21.02 ft at 2:30PM Jun 08, 2019Observed: 21.01 ft at 2:45PM Jun 08, 2019Observed: 21.01 ft at 3:00PM Jun 08, 2019Observed: 21 ft at 3:15PM Jun 08, 2019Observed: 20.99 ft at 3:30PM Jun 08, 2019Observed: 20.99 ft at 3:45PM Jun 08, 2019Observed: 20.99 ft at 4:00PM Jun 08, 2019Observed: 20.99 ft at 4:15PM Jun 08, 2019Observed: 20.99 ft at 4:30PM Jun 08, 2019Observed: 20.98 ft at 4:45PM Jun 08, 2019Observed: 20.96 ft at 5:00PM Jun 08, 2019Observed: 20.96 ft at 5:15PM Jun 08, 2019Observed: 20.96 ft at 5:30PM Jun 08, 2019Observed: 20.97 ft at 5:45PM Jun 08, 2019Observed: 20.94 ft at 6:00PM Jun 08, 2019Observed: 20.96 ft at 6:15PM Jun 08, 2019Observed: 20.95 ft at 6:30PM Jun 08, 2019Observed: 20.93 ft at 6:45PM Jun 08, 2019Observed: 20.93 ft at 7:00PM Jun 08, 2019Observed: 20.92 ft at 7:15PM Jun 08, 2019Observed: 20.92 ft at 7:16PM Jun 08, 2019Observed: 20.91 ft at 7:30PM Jun 08, 2019Observed: 20.91 ft at 7:31PM Jun 08, 2019Observed: 20.91 ft at 7:45PM Jun 08, 2019Observed: 20.91 ft at 7:46PM Jun 08, 2019Observed: 20.91 ft at 8:00PM Jun 08, 2019Observed: 20.91 ft at 8:15PM Jun 08, 2019Observed: 20.91 ft at 8:30PM Jun 08, 2019Observed: 20.9 ft at 8:45PM Jun 08, 2019Observed: 20.89 ft at 9:00PM Jun 08, 2019Observed: 20.9 ft at 9:15PM Jun 08, 2019Observed: 20.87 ft at 9:30PM Jun 08, 2019Observed: 20.88 ft at 9:45PM Jun 08, 2019Observed: 20.88 ft at 10:00PM Jun 08, 2019Observed: 20.87 ft at 10:15PM Jun 08, 2019Observed: 20.9 ft at 10:30PM Jun 08, 2019Observed: 20.84 ft at 10:45PM Jun 08, 2019Observed: 20.84 ft at 11:00PM Jun 08, 2019Observed: 20.84 ft at 11:15PM Jun 08, 2019Observed: 20.82 ft at 11:30PM Jun 08, 2019Observed: 20.82 ft at 11:45PM Jun 08, 2019Observed: 20.82 ft at 12:00AM Jun 09, 2019Observed: 20.83 ft at 12:15AM Jun 09, 2019Observed: 20.82 ft at 12:30AM Jun 09, 2019Observed: 20.82 ft at 12:45AM Jun 09, 2019Observed: 20.8 ft at 1:00AM Jun 09, 2019Observed: 20.82 ft at 1:15AM Jun 09, 2019Observed: 20.82 ft at 1:30AM Jun 09, 2019Observed: 20.8 ft at 1:45AM Jun 09, 2019Observed: 20.82 ft at 2:00AM Jun 09, 2019Observed: 20.8 ft at 2:15AM Jun 09, 2019Observed: 20.79 ft at 2:30AM Jun 09, 2019Observed: 20.78 ft at 2:45AM Jun 09, 2019Observed: 20.79 ft at 3:00AM Jun 09, 2019Observed: 20.78 ft at 3:15AM Jun 09, 2019Observed: 20.78 ft at 3:17AM Jun 09, 2019Observed: 20.77 ft at 3:30AM Jun 09, 2019Observed: 20.77 ft at 3:32AM Jun 09, 2019Observed: 20.77 ft at 3:45AM Jun 09, 2019Observed: 20.77 ft at 3:47AM Jun 09, 2019Observed: 20.76 ft at 4:00AM Jun 09, 2019Observed: 20.76 ft at 4:15AM Jun 09, 2019Observed: 20.76 ft at 4:30AM Jun 09, 2019Observed: 20.76 ft at 4:45AM Jun 09, 2019Observed: 20.76 ft at 5:00AM Jun 09, 2019Observed: 20.74 ft at 5:15AM Jun 09, 2019Observed: 20.75 ft at 5:30AM Jun 09, 2019Observed: 20.74 ft at 5:45AM Jun 09, 2019Observed: 20.74 ft at 6:00AM Jun 09, 2019Observed: 20.72 ft at 6:15AM Jun 09, 2019Observed: 20.73 ft at 6:30AM Jun 09, 2019Observed: 20.74 ft at 6:45AM Jun 09, 2019Observed: 20.71 ft at 7:00AM Jun 09, 2019Observed: 20.72 ft at 7:15AM Jun 09, 2019Observed: 20.71 ft at 7:30AM Jun 09, 2019Observed: 20.7 ft at 7:45AM Jun 09, 2019Observed: 20.7 ft at 8:00AM Jun 09, 2019Observed: 20.7 ft at 8:15AM Jun 09, 2019Observed: 20.69 ft at 8:30AM Jun 09, 2019Observed: 20.68 ft at 8:45AM Jun 09, 2019Observed: 20.67 ft at 9:00AM Jun 09, 2019Observed: 20.68 ft at 9:15AM Jun 09, 2019Observed: 20.67 ft at 9:30AM Jun 09, 2019Observed: 20.67 ft at 9:45AM Jun 09, 2019Observed: 20.65 ft at 10:00AM Jun 09, 2019Observed: 20.68 ft at 10:15AM Jun 09, 2019Observed: 20.66 ft at 10:30AM Jun 09, 2019Observed: 20.67 ft at 10:45AM Jun 09, 2019Observed: 20.64 ft at 11:00AM Jun 09, 2019Observed: 20.66 ft at 11:15AM Jun 09, 2019Observed: 20.66 ft at 11:16AM Jun 09, 2019Observed: 20.66 ft at 11:30AM Jun 09, 2019Observed: 20.66 ft at 11:31AM Jun 09, 2019Observed: 20.66 ft at 11:45AM Jun 09, 2019Observed: 20.66 ft at 11:46AM Jun 09, 2019Observed: 20.63 ft at 12:00PM Jun 09, 2019Observed: 20.63 ft at 12:15PM Jun 09, 2019Observed: 20.63 ft at 12:30PM Jun 09, 2019Observed: 20.65 ft at 12:45PM Jun 09, 2019Observed: 20.64 ft at 1:00PM Jun 09, 2019Observed: 20.63 ft at 1:15PM Jun 09, 2019Observed: 20.64 ft at 1:30PM Jun 09, 2019Observed: 20.64 ft at 1:45PM Jun 09, 2019Observed: 20.64 ft at 2:00PM Jun 09, 2019Observed: 20.63 ft at 2:15PM Jun 09, 2019Observed: 20.63 ft at 2:30PM Jun 09, 2019Observed: 20.64 ft at 2:45PM Jun 09, 2019Observed: 20.62 ft at 3:00PM Jun 09, 2019Observed: 20.63 ft at 3:15PM Jun 09, 2019Observed: 20.61 ft at 3:30PM Jun 09, 2019Observed: 20.61 ft at 3:45PM Jun 09, 2019Observed: 20.63 ft at 4:00PM Jun 09, 2019Observed: 20.63 ft at 4:15PM Jun 09, 2019Observed: 20.62 ft at 4:30PM Jun 09, 2019Observed: 20.61 ft at 4:45PM Jun 09, 2019Observed: 20.63 ft at 5:00PM Jun 09, 2019Observed: 20.61 ft at 5:15PM Jun 09, 2019Observed: 20.62 ft at 5:30PM Jun 09, 2019Observed: 20.62 ft at 5:45PM Jun 09, 2019Observed: 20.62 ft at 6:00PM Jun 09, 2019Observed: 20.62 ft at 6:15PM Jun 09, 2019Observed: 20.62 ft at 6:30PM Jun 09, 2019Observed: 20.64 ft at 6:45PM Jun 09, 2019Observed: 20.63 ft at 7:00PM Jun 09, 2019Observed: 20.64 ft at 7:15PM Jun 09, 2019Observed: 20.64 ft at 7:16PM Jun 09, 2019Observed: 20.63 ft at 7:30PM Jun 09, 2019Observed: 20.63 ft at 7:31PM Jun 09, 2019Observed: 20.63 ft at 7:45PM Jun 09, 2019Observed: 20.63 ft at 7:46PM Jun 09, 2019Observed: 20.62 ft at 8:00PM Jun 09, 2019Observed: 20.64 ft at 8:15PM Jun 09, 2019Observed: 20.65 ft at 8:30PM Jun 09, 2019Observed: 20.63 ft at 8:45PM Jun 09, 2019Observed: 20.66 ft at 9:00PM Jun 09, 2019Observed: 20.65 ft at 9:15PM Jun 09, 2019Observed: 20.65 ft at 9:30PM Jun 09, 2019Observed: 20.64 ft at 9:45PM Jun 09, 2019Observed: 20.66 ft at 10:00PM Jun 09, 2019Observed: 20.65 ft at 10:15PM Jun 09, 2019Observed: 20.65 ft at 10:30PM Jun 09, 2019Observed: 20.67 ft at 10:45PM Jun 09, 2019Observed: 20.69 ft at 11:00PM Jun 09, 2019Observed: 20.66 ft at 11:15PM Jun 09, 2019Observed: 20.66 ft at 11:30PM Jun 09, 2019Observed: 20.67 ft at 11:45PM Jun 09, 2019Observed: 20.68 ft at 12:00AM Jun 10, 2019Observed: 20.69 ft at 12:15AM Jun 10, 2019Observed: 20.7 ft at 12:30AM Jun 10, 2019Observed: 20.67 ft at 12:45AM Jun 10, 2019Observed: 20.7 ft at 1:00AM Jun 10, 2019Observed: 20.7 ft at 1:15AM Jun 10, 2019Observed: 20.7 ft at 1:30AM Jun 10, 2019Observed: 20.7 ft at 1:45AM Jun 10, 2019Observed: 20.69 ft at 2:00AM Jun 10, 2019Observed: 20.69 ft at 2:15AM Jun 10, 2019Observed: 20.7 ft at 2:30AM Jun 10, 2019Observed: 20.71 ft at 2:45AM Jun 10, 2019Observed: 20.71 ft at 3:00AM Jun 10, 2019Observed: 20.69 ft at 3:15AM Jun 10, 2019Observed: 20.69 ft at 3:17AM Jun 10, 2019Observed: 20.7 ft at 3:30AM Jun 10, 2019Observed: 20.7 ft at 3:32AM Jun 10, 2019Observed: 20.71 ft at 3:45AM Jun 10, 2019Observed: 20.71 ft at 3:47AM Jun 10, 2019Observed: 20.71 ft at 4:00AM Jun 10, 2019Observed: 20.7 ft at 4:15AM Jun 10, 2019Observed: 20.71 ft at 4:30AM Jun 10, 2019Observed: 20.71 ft at 4:45AM Jun 10, 2019Observed: 20.69 ft at 5:00AM Jun 10, 2019Observed: 20.7 ft at 5:15AM Jun 10, 2019Observed: 20.71 ft at 5:30AM Jun 10, 2019Observed: 20.7 ft at 5:45AM Jun 10, 2019Observed: 20.7 ft at 6:00AM Jun 10, 2019Observed: 20.72 ft at 6:15AM Jun 10, 2019Observed: 20.72 ft at 6:30AM Jun 10, 2019Observed: 20.71 ft at 6:45AM Jun 10, 2019Observed: 20.7 ft at 7:00AM Jun 10, 2019Observed: 20.7 ft at 7:15AM Jun 10, 2019Observed: 20.68 ft at 7:30AM Jun 10, 2019Observed: 20.7 ft at 7:45AM Jun 10, 2019Observed: 20.71 ft at 8:00AM Jun 10, 2019Observed: 20.69 ft at 8:15AM Jun 10, 2019Observed: 20.71 ft at 8:30AM Jun 10, 2019Observed: 20.7 ft at 8:45AM Jun 10, 2019Observed: 20.7 ft at 9:00AM Jun 10, 2019Observed: 20.69 ft at 9:15AM Jun 10, 2019Observed: 20.7 ft at 9:30AM Jun 10, 2019Observed: 20.69 ft at 9:45AM Jun 10, 2019Observed: 20.7 ft at 10:00AM Jun 10, 2019Observed: 20.69 ft at 10:15AM Jun 10, 2019Observed: 20.69 ft at 10:30AM Jun 10, 2019Observed: 20.7 ft at 10:45AM Jun 10, 2019Observed: 20.7 ft at 11:00AM Jun 10, 2019Observed: 20.67 ft at 11:15AM Jun 10, 2019Observed: 20.67 ft at 11:16AM Jun 10, 2019Observed: 20.68 ft at 11:30AM Jun 10, 2019Observed: 20.68 ft at 11:31AM Jun 10, 2019Observed: 20.68 ft at 11:45AM Jun 10, 2019Observed: 20.68 ft at 11:46AM Jun 10, 2019Observed: 20.66 ft at 12:00PM Jun 10, 2019Observed: 20.67 ft at 12:15PM Jun 10, 2019Observed: 20.66 ft at 12:30PM Jun 10, 2019Observed: 20.67 ft at 12:45PM Jun 10, 2019Observed: 20.66 ft at 1:00PM Jun 10, 2019Observed: 20.66 ft at 1:15PM Jun 10, 2019Observed: 20.65 ft at 1:30PM Jun 10, 2019Observed: 20.66 ft at 1:45PM Jun 10, 2019Observed: 20.64 ft at 2:00PM Jun 10, 2019Observed: 20.63 ft at 2:15PM Jun 10, 2019Observed: 20.64 ft at 2:30PM Jun 10, 2019Observed: 20.62 ft at 2:45PM Jun 10, 2019Observed: 20.63 ft at 3:00PM Jun 10, 2019Observed: 20.61 ft at 3:15PM Jun 10, 2019Observed: 20.6 ft at 3:30PM Jun 10, 2019Observed: 20.6 ft at 3:45PM Jun 10, 2019Observed: 20.6 ft at 4:00PM Jun 10, 2019Observed: 20.59 ft at 4:15PM Jun 10, 2019Observed: 20.56 ft at 4:30PM Jun 10, 2019Observed: 20.58 ft at 4:45PM Jun 10, 2019Observed: 20.56 ft at 5:00PM Jun 10, 2019Observed: 20.55 ft at 5:15PM Jun 10, 2019Observed: 20.54 ft at 5:30PM Jun 10, 2019Observed: 20.55 ft at 5:45PM Jun 10, 2019Observed: 20.55 ft at 6:00PM Jun 10, 2019Observed: 20.53 ft at 6:15PM Jun 10, 2019Observed: 20.54 ft at 6:30PM Jun 10, 2019Observed: 20.51 ft at 6:45PM Jun 10, 2019Observed: 20.51 ft at 7:00PM Jun 10, 2019Observed: 20.49 ft at 7:15PM Jun 10, 2019Observed: 20.49 ft at 7:30PM Jun 10, 2019Observed: 20.49 ft at 7:32PM Jun 10, 2019Observed: 20.49 ft at 7:45PM Jun 10, 2019Observed: 20.49 ft at 7:47PM Jun 10, 2019Observed: 20.48 ft at 8:00PM Jun 10, 2019Observed: 20.48 ft at 8:02PM Jun 10, 2019Observed: 20.44 ft at 8:15PM Jun 10, 2019Observed: 20.46 ft at 8:30PM Jun 10, 2019Observed: 20.44 ft at 8:45PM Jun 10, 2019Observed: 20.43 ft at 9:00PM Jun 10, 2019Observed: 20.42 ft at 9:15PM Jun 10, 2019Observed: 20.41 ft at 9:30PM Jun 10, 2019Observed: 20.41 ft at 9:45PM Jun 10, 2019Observed: 20.39 ft at 10:00PM Jun 10, 2019Observed: 20.4 ft at 10:15PM Jun 10, 2019Observed: 20.39 ft at 10:30PM Jun 10, 2019Observed: 20.39 ft at 10:45PM Jun 10, 2019Observed: 20.38 ft at 11:00PM Jun 10, 2019Observed: 20.38 ft at 11:15PM Jun 10, 2019Observed: 20.36 ft at 11:30PM Jun 10, 2019Observed: 20.38 ft at 11:45PM Jun 10, 2019Observed: 20.34 ft at 12:00AM Jun 11, 2019Observed: 20.36 ft at 12:15AM Jun 11, 2019Observed: 20.35 ft at 12:30AM Jun 11, 2019Observed: 20.34 ft at 12:45AM Jun 11, 2019Observed: 20.32 ft at 1:00AM Jun 11, 2019Observed: 20.33 ft at 1:15AM Jun 11, 2019Observed: 20.3 ft at 1:30AM Jun 11, 2019Observed: 20.3 ft at 1:45AM Jun 11, 2019Observed: 20.3 ft at 2:00AM Jun 11, 2019Observed: 20.3 ft at 2:15AM Jun 11, 2019Observed: 20.28 ft at 2:30AM Jun 11, 2019Observed: 20.29 ft at 2:45AM Jun 11, 2019Observed: 20.26 ft at 3:00AM Jun 11, 2019Observed: 20.27 ft at 3:15AM Jun 11, 2019Observed: 20.26 ft at 3:30AM Jun 11, 2019Observed: 20.26 ft at 3:32AM Jun 11, 2019Observed: 20.24 ft at 3:45AM Jun 11, 2019Observed: 20.24 ft at 3:47AM Jun 11, 2019Observed: 20.25 ft at 4:00AM Jun 11, 2019Observed: 20.25 ft at 4:02AM Jun 11, 2019Observed: 20.24 ft at 4:15AM Jun 11, 2019Observed: 20.24 ft at 4:30AM Jun 11, 2019Observed: 20.23 ft at 4:45AM Jun 11, 2019Observed: 20.22 ft at 5:00AM Jun 11, 2019Observed: 20.22 ft at 5:15AM Jun 11, 2019Observed: 20.2 ft at 5:30AM Jun 11, 2019Observed: 20.2 ft at 5:45AM Jun 11, 2019Observed: 20.19 ft at 6:00AM Jun 11, 2019Observed: 20.18 ft at 6:15AM Jun 11, 2019Observed: 20.2 ft at 6:30AM Jun 11, 2019Observed: 20.19 ft at 6:45AM Jun 11, 2019Observed: 20.19 ft at 7:00AM Jun 11, 2019Observed: 20.18 ft at 7:15AM Jun 11, 2019Observed: 20.17 ft at 7:30AM Jun 11, 2019Observed: 20.18 ft at 7:45AM Jun 11, 2019Observed: 20.16 ft at 8:00AM Jun 11, 2019Observed: 20.16 ft at 8:15AM Jun 11, 2019Observed: 20.15 ft at 8:30AM Jun 11, 2019Observed: 20.14 ft at 8:45AM Jun 11, 2019Observed: 20.14 ft at 9:00AM Jun 11, 2019Observed: 20.14 ft at 9:15AM Jun 11, 2019Observed: 20.13 ft at 9:30AM Jun 11, 2019Observed: 20.13 ft at 9:45AM Jun 11, 2019Observed: 20.12 ft at 10:00AM Jun 11, 2019Observed: 20.11 ft at 10:15AM Jun 11, 2019Observed: 20.11 ft at 10:30AM Jun 11, 2019Observed: 20.11 ft at 10:45AM Jun 11, 2019Observed: 20.12 ft at 11:00AM Jun 11, 2019Observed: 20.1 ft at 11:15AM Jun 11, 2019Observed: 20.09 ft at 11:30AM Jun 11, 2019Observed: 20.09 ft at 11:31AM Jun 11, 2019Observed: 20.1 ft at 11:45AM Jun 11, 2019Observed: 20.1 ft at 11:46AM Jun 11, 2019Observed: 20.09 ft at 12:00PM Jun 11, 2019Observed: 20.09 ft at 12:01PM Jun 11, 2019Observed: 20.09 ft at 12:15PM Jun 11, 2019Observed: 20.08 ft at 12:30PM Jun 11, 2019Observed: 20.07 ft at 12:45PM Jun 11, 2019Observed: 20.07 ft at 1:00PM Jun 11, 2019Observed: 20.05 ft at 1:15PM Jun 11, 2019Observed: 20.06 ft at 1:30PM Jun 11, 2019Observed: 20.05 ft at 1:45PM Jun 11, 2019Observed: 20.07 ft at 2:00PM Jun 11, 2019Observed: 20.04 ft at 2:15PM Jun 11, 2019Observed: 20.03 ft at 2:30PM Jun 11, 2019Observed: 20.05 ft at 2:45PM Jun 11, 2019Observed: 20.04 ft at 3:00PM Jun 11, 2019Observed: 20.03 ft at 3:15PM Jun 11, 2019Observed: 20.04 ft at 3:30PM Jun 11, 2019Observed: 20.04 ft at 3:45PM Jun 11, 2019Observed: 20.01 ft at 4:00PM Jun 11, 2019Observed: 20.01 ft at 4:15PM Jun 11, 2019Observed: 20.03 ft at 4:30PM Jun 11, 2019Observed: 20.01 ft at 4:45PM Jun 11, 2019Observed: 20 ft at 5:00PM Jun 11, 2019Observed: 20.02 ft at 5:15PM Jun 11, 2019Observed: 19.99 ft at 5:30PM Jun 11, 2019Observed: 20 ft at 5:45PM Jun 11, 2019Observed: 20 ft at 6:00PM Jun 11, 2019Observed: 19.99 ft at 6:15PM Jun 11, 2019Observed: 20 ft at 6:30PM Jun 11, 2019Observed: 19.97 ft at 6:45PM Jun 11, 2019Observed: 19.99 ft at 7:00PM Jun 11, 2019Observed: 19.99 ft at 7:15PM Jun 11, 2019Observed: 20 ft at 7:30PM Jun 11, 2019Observed: 19.99 ft at 7:45PM Jun 11, 2019Observed: 19.98 ft at 8:00PM Jun 11, 2019Observed: 19.98 ft at 8:15PM Jun 11, 2019Observed: 20 ft at 8:30PM Jun 11, 2019Observed: 19.98 ft at 8:45PM Jun 11, 2019Observed: 19.97 ft at 9:00PM Jun 11, 2019Observed: 19.96 ft at 9:15PM Jun 11, 2019Observed: 19.97 ft at 9:30PM Jun 11, 2019Observed: 19.98 ft at 9:45PM Jun 11, 2019Observed: 19.96 ft at 10:00PM Jun 11, 2019Observed: 19.97 ft at 10:15PM Jun 11, 2019Observed: 19.96 ft at 10:30PM Jun 11, 2019Observed: 19.96 ft at 10:45PM Jun 11, 2019Observed: 19.97 ft at 11:00PM Jun 11, 2019Observed: 19.94 ft at 11:15PM Jun 11, 2019Observed: 19.94 ft at 11:30PM Jun 11, 2019Observed: 19.93 ft at 11:45PM Jun 11, 2019Observed: 19.96 ft at 12:00AM Jun 12, 2019Observed: 19.94 ft at 12:15AM Jun 12, 2019Observed: 19.94 ft at 12:30AM Jun 12, 2019Observed: 19.94 ft at 12:45AM Jun 12, 2019Observed: 19.95 ft at 1:00AM Jun 12, 2019Observed: 19.96 ft at 1:15AM Jun 12, 2019Observed: 19.93 ft at 1:30AM Jun 12, 2019Observed: 19.92 ft at 1:45AM Jun 12, 2019Observed: 19.92 ft at 2:00AM Jun 12, 2019Observed: 19.94 ft at 2:15AM Jun 12, 2019Observed: 19.93 ft at 2:30AM Jun 12, 2019Observed: 19.93 ft at 2:45AM Jun 12, 2019Observed: 19.89 ft at 3:00AM Jun 12, 2019Observed: 19.91 ft at 3:15AM Jun 12, 2019Observed: 19.92 ft at 3:30AM Jun 12, 2019Observed: 19.92 ft at 3:31AM Jun 12, 2019Observed: 19.91 ft at 3:45AM Jun 12, 2019Observed: 19.91 ft at 3:46AM Jun 12, 2019Observed: 19.9 ft at 4:00AM Jun 12, 2019Observed: 19.9 ft at 4:01AM Jun 12, 2019Observed: 19.91 ft at 4:15AM Jun 12, 2019Observed: 19.91 ft at 4:30AM Jun 12, 2019Observed: 19.89 ft at 4:45AM Jun 12, 2019Observed: 19.89 ft at 5:00AM Jun 12, 2019Observed: 19.89 ft at 5:15AM Jun 12, 2019Observed: 19.9 ft at 5:30AM Jun 12, 2019Observed: 19.89 ft at 5:45AM Jun 12, 2019Observed: 19.91 ft at 6:00AM Jun 12, 2019Observed: 19.9 ft at 6:15AM Jun 12, 2019Observed: 19.89 ft at 6:30AM Jun 12, 2019Observed: 19.88 ft at 6:45AM Jun 12, 2019Observed: 19.89 ft at 7:00AM Jun 12, 2019Observed: 19.9 ft at 7:15AM Jun 12, 2019Observed: 19.88 ft at 7:30AM Jun 12, 2019Observed: 19.87 ft at 7:45AM Jun 12, 2019Observed: 19.88 ft at 8:00AM Jun 12, 2019Observed: 19.88 ft at 8:15AM Jun 12, 2019Observed: 19.88 ft at 8:30AM Jun 12, 2019Observed: 19.87 ft at 8:45AM Jun 12, 2019Observed: 19.87 ft at 9:00AM Jun 12, 2019Observed: 19.87 ft at 9:15AM Jun 12, 2019Observed: 19.87 ft at 9:30AM Jun 12, 2019Observed: 19.85 ft at 9:45AM Jun 12, 2019Observed: 19.85 ft at 10:00AM Jun 12, 2019Observed: 19.87 ft at 10:15AM Jun 12, 2019Observed: 19.87 ft at 10:30AM Jun 12, 2019Observed: 19.86 ft at 10:45AM Jun 12, 2019Observed: 19.83 ft at 11:00AM Jun 12, 2019Observed: 19.85 ft at 11:15AM Jun 12, 2019Observed: 19.84 ft at 11:30AM Jun 12, 2019Observed: 19.84 ft at 11:31AM Jun 12, 2019Observed: 19.86 ft at 11:45AM Jun 12, 2019Observed: 19.86 ft at 11:46AM Jun 12, 2019Observed: 19.85 ft at 12:00PM Jun 12, 2019Observed: 19.85 ft at 12:01PM Jun 12, 2019Observed: 19.85 ft at 12:15PM Jun 12, 2019Observed: 19.84 ft at 12:30PM Jun 12, 2019Observed: 19.84 ft at 12:45PM Jun 12, 2019Observed: 19.84 ft at 1:00PM Jun 12, 2019Observed: 19.87 ft at 1:15PM Jun 12, 2019Observed: 19.85 ft at 1:30PM Jun 12, 2019Observed: 19.85 ft at 1:45PM Jun 12, 2019Observed: 19.87 ft at 2:00PM Jun 12, 2019Observed: 19.84 ft at 2:15PM Jun 12, 2019Observed: 19.84 ft at 2:30PM Jun 12, 2019Observed: 19.83 ft at 2:45PM Jun 12, 2019Observed: 19.84 ft at 3:00PM Jun 12, 2019Observed: 19.84 ft at 3:15PM Jun 12, 2019Observed: 19.82 ft at 3:30PM Jun 12, 2019Observed: 19.83 ft at 3:45PM Jun 12, 2019Observed: 19.85 ft at 4:00PM Jun 12, 2019Observed: 19.84 ft at 4:15PM Jun 12, 2019Observed: 19.83 ft at 4:30PM Jun 12, 2019Observed: 19.83 ft at 4:45PM Jun 12, 2019Observed: 19.83 ft at 5:00PM Jun 12, 2019Observed: 19.81 ft at 5:15PM Jun 12, 2019Observed: 19.84 ft at 5:30PM Jun 12, 2019Observed: 19.81 ft at 5:45PM Jun 12, 2019Observed: 19.81 ft at 6:00PM Jun 12, 2019Observed: 19.82 ft at 6:15PM Jun 12, 2019Observed: 19.81 ft at 6:30PM Jun 12, 2019Observed: 19.83 ft at 6:45PM Jun 12, 2019Observed: 19.81 ft at 7:00PM Jun 12, 2019Observed: 19.81 ft at 7:15PM Jun 12, 2019Observed: 19.83 ft at 7:30PM Jun 12, 2019Observed: 19.83 ft at 7:31PM Jun 12, 2019Observed: 19.82 ft at 7:45PM Jun 12, 2019Observed: 19.82 ft at 7:46PM Jun 12, 2019Observed: 19.81 ft at 8:00PM Jun 12, 2019Observed: 19.81 ft at 8:01PM Jun 12, 2019Observed: 19.79 ft at 8:15PM Jun 12, 2019Observed: 19.83 ft at 8:30PM Jun 12, 2019Observed: 19.81 ft at 8:45PM Jun 12, 2019Observed: 19.83 ft at 9:00PM Jun 12, 2019Observed: 19.83 ft at 9:15PM Jun 12, 2019Observed: 19.81 ft at 9:30PM Jun 12, 2019Observed: 19.83 ft at 9:45PM Jun 12, 2019Observed: 19.82 ft at 10:00PM Jun 12, 2019Observed: 19.82 ft at 10:15PM Jun 12, 2019Observed: 19.82 ft at 10:30PM Jun 12, 2019Observed: 19.81 ft at 10:45PM Jun 12, 2019Observed: 19.81 ft at 11:00PM Jun 12, 2019Observed: 19.81 ft at 11:15PM Jun 12, 2019Observed: 19.84 ft at 11:30PM Jun 12, 2019Observed: 19.81 ft at 11:45PM Jun 12, 2019Observed: 19.82 ft at 12:00AM Jun 13, 2019Observed: 19.83 ft at 12:15AM Jun 13, 2019Observed: 19.83 ft at 12:30AM Jun 13, 2019Observed: 19.82 ft at 12:45AM Jun 13, 2019Observed: 19.81 ft at 1:00AM Jun 13, 2019Observed: 19.81 ft at 1:15AM Jun 13, 2019Observed: 19.84 ft at 1:30AM Jun 13, 2019Observed: 19.82 ft at 1:45AM Jun 13, 2019Observed: 19.81 ft at 2:00AM Jun 13, 2019Observed: 19.81 ft at 2:15AM Jun 13, 2019Observed: 19.82 ft at 2:30AM Jun 13, 2019Observed: 19.8 ft at 2:45AM Jun 13, 2019Observed: 19.82 ft at 3:00AM Jun 13, 2019Observed: 19.81 ft at 3:15AM Jun 13, 2019Observed: 19.84 ft at 3:30AM Jun 13, 2019Observed: 19.84 ft at 3:31AM Jun 13, 2019Observed: 19.83 ft at 3:45AM Jun 13, 2019Observed: 19.83 ft at 3:46AM Jun 13, 2019Observed: 19.82 ft at 4:00AM Jun 13, 2019Observed: 19.82 ft at 4:01AM Jun 13, 2019Observed: 19.84 ft at 4:15AM Jun 13, 2019Observed: 19.83 ft at 4:30AM Jun 13, 2019Observed: 19.82 ft at 4:45AM Jun 13, 2019Observed: 19.82 ft at 5:00AM Jun 13, 2019Observed: 19.82 ft at 5:15AM Jun 13, 2019Observed: 19.84 ft at 5:30AM Jun 13, 2019Observed: 19.84 ft at 5:45AM Jun 13, 2019Observed: 19.84 ft at 6:00AM Jun 13, 2019Observed: 19.84 ft at 6:15AM Jun 13, 2019Observed: 19.84 ft at 6:30AM Jun 13, 2019Observed: 19.85 ft at 6:45AM Jun 13, 2019Observed: 19.84 ft at 7:00AM Jun 13, 2019Observed: 19.84 ft at 7:15AM Jun 13, 2019Observed: 19.84 ft at 7:30AM Jun 13, 2019Observed: 19.84 ft at 7:45AM Jun 13, 2019Observed: 19.84 ft at 8:00AM Jun 13, 2019Observed: 19.82 ft at 8:15AM Jun 13, 2019Observed: 19.84 ft at 8:30AM Jun 13, 2019Observed: 19.84 ft at 8:45AM Jun 13, 2019Observed: 19.85 ft at 9:00AM Jun 13, 2019Observed: 19.85 ft at 9:15AM Jun 13, 2019Observed: 19.84 ft at 9:30AM Jun 13, 2019Observed: 19.86 ft at 9:45AM Jun 13, 2019Observed: 19.86 ft at 10:00AM Jun 13, 2019Observed: 19.86 ft at 10:15AM Jun 13, 2019Observed: 19.85 ft at 10:30AM Jun 13, 2019Observed: 19.84 ft at 10:45AM Jun 13, 2019Observed: 19.83 ft at 11:00AM Jun 13, 2019Observed: 19.85 ft at 11:15AM Jun 13, 2019Observed: 19.85 ft at 11:30AM Jun 13, 2019Observed: 19.85 ft at 11:31AM Jun 13, 2019Observed: 19.85 ft at 11:45AM Jun 13, 2019Observed: 19.85 ft at 11:46AM Jun 13, 2019Observed: 19.86 ft at 12:00PM Jun 13, 2019Observed: 19.86 ft at 12:01PM Jun 13, 2019Observed: 19.84 ft at 12:15PM Jun 13, 2019Observed: 19.85 ft at 12:30PM Jun 13, 2019Observed: 19.84 ft at 12:45PM Jun 13, 2019Observed: 19.86 ft at 1:00PM Jun 13, 2019Observed: 19.86 ft at 1:15PM Jun 13, 2019Observed: 19.83 ft at 1:30PM Jun 13, 2019Observed: 19.86 ft at 1:45PM Jun 13, 2019Observed: 19.84 ft at 2:00PM Jun 13, 2019Observed: 19.84 ft at 2:15PM Jun 13, 2019Observed: 19.84 ft at 2:30PM Jun 13, 2019Observed: 19.84 ft at 2:45PM Jun 13, 2019Observed: 19.84 ft at 3:00PM Jun 13, 2019Observed: 19.82 ft at 3:15PM Jun 13, 2019Observed: 19.82 ft at 3:30PM Jun 13, 2019Observed: 19.84 ft at 3:45PM Jun 13, 2019Observed: 19.83 ft at 4:00PM Jun 13, 2019Observed: 19.85 ft at 4:15PM Jun 13, 2019Observed: 19.84 ft at 4:30PM Jun 13, 2019Observed: 19.82 ft at 4:45PM Jun 13, 2019Observed: 19.83 ft at 5:00PM Jun 13, 2019Observed: 19.85 ft at 5:15PM Jun 13, 2019Observed: 19.83 ft at 5:30PM Jun 13, 2019Observed: 19.82 ft at 5:45PM Jun 13, 2019Observed: 19.84 ft at 6:00PM Jun 13, 2019Observed: 19.84 ft at 6:15PM Jun 13, 2019Observed: 19.83 ft at 6:30PM Jun 13, 2019Observed: 19.83 ft at 6:45PM Jun 13, 2019Observed: 19.82 ft at 7:00PM Jun 13, 2019Observed: 19.81 ft at 7:15PM Jun 13, 2019Observed: 19.84 ft at 7:30PM Jun 13, 2019Observed: 19.84 ft at 7:31PM Jun 13, 2019Observed: 19.83 ft at 7:45PM Jun 13, 2019Observed: 19.83 ft at 7:46PM Jun 13, 2019Observed: 19.82 ft at 8:00PM Jun 13, 2019Observed: 19.82 ft at 8:01PM Jun 13, 2019Observed: 19.82 ft at 8:15PM Jun 13, 2019Observed: 19.82 ft at 8:30PM Jun 13, 2019Observed: 19.79 ft at 8:45PM Jun 13, 2019Observed: 19.81 ft at 9:00PM Jun 13, 2019Observed: 19.8 ft at 9:15PM Jun 13, 2019Observed: 19.8 ft at 9:30PM Jun 13, 2019Observed: 19.81 ft at 9:45PM Jun 13, 2019Observed: 19.81 ft at 10:00PM Jun 13, 2019Observed: 19.81 ft at 10:15PM Jun 13, 2019Observed: 19.8 ft at 10:30PM Jun 13, 2019Observed: 19.81 ft at 10:45PM Jun 13, 2019Observed: 19.8 ft at 11:00PM Jun 13, 2019Observed: 19.8 ft at 11:15PM Jun 13, 2019Observed: 19.81 ft at 11:30PM Jun 13, 2019Observed: 19.8 ft at 11:45PM Jun 13, 2019Observed: 19.8 ft at 12:00AM Jun 14, 2019Observed: 19.81 ft at 12:15AM Jun 14, 2019Observed: 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5:45AM Jun 14, 2019Observed: 19.73 ft at 6:00AM Jun 14, 2019Observed: 19.74 ft at 6:15AM Jun 14, 2019Observed: 19.75 ft at 6:30AM Jun 14, 2019Observed: 19.74 ft at 6:45AM Jun 14, 2019Observed: 19.72 ft at 7:00AM Jun 14, 2019Observed: 19.73 ft at 7:15AM Jun 14, 2019Observed: 19.73 ft at 7:30AM Jun 14, 2019Observed: 19.73 ft at 7:45AM Jun 14, 2019Observed: 19.71 ft at 8:00AM Jun 14, 2019Observed: 19.71 ft at 8:15AM Jun 14, 2019Observed: 19.73 ft at 8:30AM Jun 14, 2019Observed: 19.7 ft at 8:45AM Jun 14, 2019Observed: 19.71 ft at 9:00AM Jun 14, 2019Observed: 19.71 ft at 9:15AM Jun 14, 2019Observed: 19.7 ft at 9:30AM Jun 14, 2019Observed: 19.7 ft at 9:45AM Jun 14, 2019Observed: 19.71 ft at 10:00AM Jun 14, 2019Observed: 19.71 ft at 10:15AM Jun 14, 2019Observed: 19.68 ft at 10:30AM Jun 14, 2019Observed: 19.7 ft at 10:45AM Jun 14, 2019Observed: 19.68 ft at 11:00AM Jun 14, 2019Observed: 19.68 ft at 11:15AM Jun 14, 2019Observed: 19.69 ft at 11:30AM Jun 14, 2019Observed: 19.67 ft at 11:45AM Jun 14, 2019Observed: 19.67 ft at 11:46AM Jun 14, 2019Observed: 19.66 ft at 12:00PM Jun 14, 2019Observed: 19.66 ft at 12:01PM Jun 14, 2019Observed: 19.66 ft at 12:15PM Jun 14, 2019Observed: 19.66 ft at 12:16PM Jun 14, 2019Observed: 19.66 ft at 12:30PM Jun 14, 2019Observed: 19.68 ft at 12:45PM Jun 14, 2019Observed: 19.66 ft at 1:00PM Jun 14, 2019Observed: 19.65 ft at 1:15PM Jun 14, 2019Observed: 19.64 ft at 1:30PM Jun 14, 2019Observed: 19.64 ft at 1:45PM Jun 14, 2019Observed: 19.67 ft at 2:00PM Jun 14, 2019Observed: 19.65 ft at 2:15PM Jun 14, 2019Observed: 19.65 ft at 2:30PM Jun 14, 2019Observed: 19.66 ft at 2:45PM Jun 14, 2019Observed: 19.65 ft at 3:00PM Jun 14, 2019Observed: 19.64 ft at 3:15PM Jun 14, 2019Observed: 19.64 ft at 3:30PM Jun 14, 2019Observed: 19.63 ft at 3:45PM Jun 14, 2019Observed: 19.63 ft at 4:00PM Jun 14, 2019Observed: 19.63 ft at 4:15PM Jun 14, 2019Observed: 19.62 ft at 4:30PM Jun 14, 2019Observed: 19.62 ft at 4:45PM Jun 14, 2019Observed: 19.61 ft at 5:00PM Jun 14, 2019Observed: 19.61 ft at 5:15PM Jun 14, 2019Observed: 19.61 ft at 5:30PM Jun 14, 2019Observed: 19.6 ft at 5:45PM Jun 14, 2019Observed: 19.6 ft at 6:00PM Jun 14, 2019Observed: 19.6 ft at 6:15PM Jun 14, 2019Observed: 19.6 ft at 6:30PM Jun 14, 2019Observed: 19.61 ft at 6:45PM Jun 14, 2019Observed: 19.61 ft at 7:00PM Jun 14, 2019Observed: 19.59 ft at 7:15PM Jun 14, 2019Observed: 19.59 ft at 7:30PM Jun 14, 2019Observed: 19.59 ft at 7:45PM Jun 14, 2019Observed: 19.58 ft at 8:00PM Jun 14, 2019Observed: 19.59 ft at 8:15PM Jun 14, 2019Observed: 19.59 ft at 8:30PM Jun 14, 2019Observed: 19.58 ft at 8:45PM Jun 14, 2019Observed: 19.57 ft at 9:00PM Jun 14, 2019Observed: 19.57 ft at 9:15PM Jun 14, 2019Observed: 19.56 ft at 9:30PM Jun 14, 2019Observed: 19.58 ft at 9:45PM Jun 14, 2019Observed: 19.54 ft at 10:00PM Jun 14, 2019Observed: 19.55 ft at 10:15PM Jun 14, 2019Observed: 19.56 ft at 10:30PM Jun 14, 2019Observed: 19.55 ft at 10:45PM Jun 14, 2019Observed: 19.55 ft at 11:00PM Jun 14, 2019Observed: 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4:30AM Jun 15, 2019Observed: 19.49 ft at 4:45AM Jun 15, 2019Observed: 19.48 ft at 5:00AM Jun 15, 2019Observed: 19.48 ft at 5:15AM Jun 15, 2019Observed: 19.48 ft at 5:30AM Jun 15, 2019Observed: 19.46 ft at 5:45AM Jun 15, 2019Observed: 19.47 ft at 6:00AM Jun 15, 2019Observed: 19.44 ft at 6:15AM Jun 15, 2019Observed: 19.43 ft at 6:30AM Jun 15, 2019Observed: 19.45 ft at 6:45AM Jun 15, 2019Observed: 19.45 ft at 7:00AM Jun 15, 2019Observed: 19.44 ft at 7:15AM Jun 15, 2019Observed: 19.43 ft at 7:30AM Jun 15, 2019Observed: 19.41 ft at 7:45AM Jun 15, 2019Observed: 19.43 ft at 8:00AM Jun 15, 2019Observed: 19.43 ft at 8:15AM Jun 15, 2019Observed: 19.42 ft at 8:30AM Jun 15, 2019Observed: 19.4 ft at 8:45AM Jun 15, 2019Observed: 19.41 ft at 9:00AM Jun 15, 2019Observed: 19.41 ft at 9:15AM Jun 15, 2019Observed: 19.4 ft at 9:30AM Jun 15, 2019Observed: 19.4 ft at 9:45AM Jun 15, 2019Observed: 19.41 ft at 10:00AM Jun 15, 2019Observed: 19.39 ft at 10:15AM Jun 15, 2019Observed: 19.39 ft at 10:30AM Jun 15, 2019Observed: 19.41 ft at 10:45AM Jun 15, 2019Observed: 19.39 ft at 11:00AM Jun 15, 2019Observed: 19.39 ft at 11:15AM Jun 15, 2019Observed: 19.37 ft at 11:30AM Jun 15, 2019Observed: 19.37 ft at 11:45AM Jun 15, 2019Observed: 19.37 ft at 11:46AM Jun 15, 2019Observed: 19.38 ft at 12:00PM Jun 15, 2019Observed: 19.38 ft at 12:01PM Jun 15, 2019Observed: 19.37 ft at 12:15PM Jun 15, 2019Observed: 19.37 ft at 12:16PM Jun 15, 2019Observed: 19.38 ft at 12:30PM Jun 15, 2019Observed: 19.38 ft at 12:45PM Jun 15, 2019Observed: 19.38 ft at 1:00PM Jun 15, 2019Observed: 19.38 ft at 1:15PM Jun 15, 2019Observed: 19.38 ft at 1:30PM Jun 15, 2019Observed: 19.36 ft at 1:45PM Jun 15, 2019Observed: 19.36 ft at 2:00PM Jun 15, 2019Observed: 19.36 ft at 2:15PM Jun 15, 2019Observed: 19.37 ft at 2:30PM Jun 15, 2019Observed: 19.35 ft at 2:45PM Jun 15, 2019Observed: 19.37 ft at 3:00PM Jun 15, 2019Observed: 19.35 ft at 3:15PM Jun 15, 2019Observed: 19.36 ft at 3:30PM Jun 15, 2019Observed: 19.35 ft at 3:45PM Jun 15, 2019Observed: 19.34 ft at 4:00PM Jun 15, 2019Observed: 19.33 ft at 4:15PM Jun 15, 2019Observed: 19.33 ft at 4:30PM Jun 15, 2019Observed: 19.33 ft at 4:45PM Jun 15, 2019Observed: 19.35 ft at 5:00PM Jun 15, 2019Observed: 19.32 ft at 5:15PM Jun 15, 2019Observed: 19.31 ft at 5:30PM Jun 15, 2019Observed: 19.31 ft at 5:45PM Jun 15, 2019Observed: 19.31 ft at 6:00PM Jun 15, 2019Observed: 19.29 ft at 6:15PM Jun 15, 2019Observed: 19.3 ft at 6:30PM Jun 15, 2019Observed: 19.3 ft at 6:45PM Jun 15, 2019Observed: 19.3 ft at 7:00PM Jun 15, 2019Observed: 19.28 ft at 7:15PM Jun 15, 2019Observed: 19.31 ft at 7:30PM Jun 15, 2019Observed: 19.27 ft at 7:45PM Jun 15, 2019Observed: 19.27 ft at 7:47PM Jun 15, 2019Observed: 19.29 ft at 8:00PM Jun 15, 2019Observed: 19.29 ft at 8:02PM Jun 15, 2019Observed: 19.28 ft at 8:15PM Jun 15, 2019Observed: 19.28 ft at 8:17PM Jun 15, 2019Observed: 19.28 ft at 8:30PM Jun 15, 2019Observed: 19.26 ft at 8:45PM Jun 15, 2019Observed: 19.27 ft at 9:00PM Jun 15, 2019Observed: 19.28 ft at 9:15PM Jun 15, 2019Observed: 19.27 ft at 9:30PM Jun 15, 2019Observed: 19.29 ft at 9:45PM Jun 15, 2019Observed: 19.27 ft at 10:00PM Jun 15, 2019Observed: 19.27 ft at 10:15PM Jun 15, 2019Observed: 19.27 ft at 10:30PM Jun 15, 2019Observed: 19.26 ft at 10:45PM Jun 15, 2019Observed: 19.26 ft at 11:00PM Jun 15, 2019Observed: 19.26 ft at 11:15PM Jun 15, 2019Observed: 19.25 ft at 11:30PM Jun 15, 2019Observed: 19.27 ft at 11:45PM Jun 15, 2019Observed: 19.24 ft at 12:00AM Jun 16, 2019Observed: 19.25 ft at 12:15AM Jun 16, 2019Observed: 19.23 ft at 12:30AM Jun 16, 2019Observed: 19.22 ft at 12:45AM Jun 16, 2019Observed: 19.23 ft at 1:00AM Jun 16, 2019Observed: 19.23 ft at 1:15AM Jun 16, 2019Observed: 19.22 ft at 1:30AM Jun 16, 2019Observed: 19.21 ft at 1:45AM Jun 16, 2019Observed: 19.22 ft at 2:00AM Jun 16, 2019Observed: 19.23 ft at 2:15AM Jun 16, 2019Observed: 19.2 ft at 2:30AM Jun 16, 2019Observed: 19.22 ft at 2:45AM Jun 16, 2019Observed: 19.22 ft at 3:00AM Jun 16, 2019Observed: 19.19 ft at 3:15AM Jun 16, 2019Observed: 19.21 ft at 3:30AM Jun 16, 2019Observed: 19.2 ft at 3:45AM Jun 16, 2019Observed: 19.2 ft at 3:46AM Jun 16, 2019Observed: 19.2 ft at 4:00AM Jun 16, 2019Observed: 19.2 ft at 4:01AM Jun 16, 2019Observed: 19.2 ft at 4:15AM Jun 16, 2019Observed: 19.2 ft at 4:16AM Jun 16, 2019Observed: 19.19 ft at 4:30AM Jun 16, 2019Observed: 19.2 ft at 4:45AM Jun 16, 2019Observed: 19.21 ft at 5:00AM Jun 16, 2019Observed: 19.21 ft at 5:15AM Jun 16, 2019Observed: 19.19 ft at 5:30AM Jun 16, 2019Observed: 19.18 ft at 5:45AM Jun 16, 2019Observed: 19.2 ft at 6:00AM Jun 16, 2019Observed: 19.18 ft at 6:15AM Jun 16, 2019Observed: 19.19 ft at 6:30AM Jun 16, 2019Observed: 19.19 ft at 6:45AM Jun 16, 2019Observed: 19.17 ft at 7:00AM Jun 16, 2019Observed: 19.18 ft at 7:15AM Jun 16, 2019Observed: 19.19 ft at 7:30AM Jun 16, 2019Observed: 19.17 ft at 7:45AM Jun 16, 2019Observed: 19.16 ft at 8:00AM Jun 16, 2019Observed: 19.16 ft at 8:15AM Jun 16, 2019Observed: 19.15 ft at 8:30AM Jun 16, 2019Observed: 19.16 ft at 8:45AM Jun 16, 2019Observed: 19.16 ft at 9:00AM Jun 16, 2019Observed: 19.16 ft at 9:15AM Jun 16, 2019Observed: 19.15 ft at 9:30AM Jun 16, 2019Observed: 19.15 ft at 9:45AM Jun 16, 2019Observed: 19.16 ft at 10:00AM Jun 16, 2019Observed: 19.15 ft at 10:15AM Jun 16, 2019Observed: 19.14 ft at 10:30AM Jun 16, 2019Observed: 19.16 ft at 10:45AM Jun 16, 2019Observed: 19.16 ft at 11:00AM Jun 16, 2019Observed: 19.13 ft at 11:15AM Jun 16, 2019Observed: 19.15 ft at 11:30AM Jun 16, 2019Observed: 19.14 ft at 11:45AM Jun 16, 2019Observed: 19.14 ft at 11:46AM Jun 16, 2019Observed: 19.14 ft at 12:00PM Jun 16, 2019Observed: 19.14 ft at 12:01PM Jun 16, 2019Observed: 19.14 ft at 12:15PM Jun 16, 2019Observed: 19.14 ft at 12:16PM Jun 16, 2019Observed: 19.14 ft at 12:30PM Jun 16, 2019Observed: 19.14 ft at 12:45PM Jun 16, 2019Observed: 19.13 ft at 1:00PM Jun 16, 2019Observed: 19.13 ft at 1:15PM Jun 16, 2019Observed: 19.13 ft at 1:30PM Jun 16, 2019Observed: 19.13 ft at 1:45PM Jun 16, 2019Observed: 19.12 ft at 2:00PM Jun 16, 2019Observed: 19.13 ft at 2:15PM Jun 16, 2019Observed: 19.14 ft at 2:30PM Jun 16, 2019Observed: 19.14 ft at 2:45PM Jun 16, 2019Observed: 19.12 ft at 3:00PM Jun 16, 2019Observed: 19.12 ft at 3:15PM Jun 16, 2019Observed: 19.12 ft at 3:30PM Jun 16, 2019Observed: 19.13 ft at 3:45PM Jun 16, 2019Observed: 19.13 ft at 4:00PM Jun 16, 2019Observed: 19.13 ft at 4:15PM Jun 16, 2019Observed: 19.13 ft at 4:30PM Jun 16, 2019Observed: 19.14 ft at 4:45PM Jun 16, 2019Observed: 19.13 ft at 5:00PM Jun 16, 2019Observed: 19.13 ft at 5:15PM Jun 16, 2019Observed: 19.13 ft at 5:30PM Jun 16, 2019Observed: 19.12 ft at 5:45PM Jun 16, 2019Observed: 19.13 ft at 6:00PM Jun 16, 2019Observed: 19.13 ft at 6:15PM Jun 16, 2019Observed: 19.12 ft at 6:30PM Jun 16, 2019Observed: 19.13 ft at 6:45PM Jun 16, 2019Observed: 19.13 ft at 7:00PM Jun 16, 2019Observed: 19.12 ft at 7:15PM Jun 16, 2019Observed: 19.14 ft at 7:30PM Jun 16, 2019Observed: 19.13 ft at 7:45PM Jun 16, 2019Observed: 19.12 ft at 8:00PM Jun 16, 2019Observed: 19.13 ft at 8:15PM Jun 16, 2019Observed: 19.13 ft at 8:30PM Jun 16, 2019Observed: 19.14 ft at 8:45PM Jun 16, 2019Observed: 19.13 ft at 9:00PM Jun 16, 2019Observed: 19.13 ft at 9:15PM Jun 16, 2019Observed: 19.13 ft at 9:30PM Jun 16, 2019Observed: 19.13 ft at 9:45PM Jun 16, 2019Observed: 19.11 ft at 10:00PM Jun 16, 2019Observed: 19.11 ft at 10:15PM Jun 16, 2019Observed: 19.14 ft at 10:30PM Jun 16, 2019Observed: 19.13 ft at 10:45PM Jun 16, 2019Observed: 19.12 ft at 11:00PM Jun 16, 2019Observed: 19.12 ft at 11:15PM Jun 16, 2019Observed: 19.11 ft at 11:30PM Jun 16, 2019Observed: 19.1 ft at 11:45PM Jun 16, 2019Observed: 19.12 ft at 12:00AM Jun 17, 2019Observed: 19.1 ft at 12:15AM Jun 17, 2019Observed: 19.12 ft at 12:30AM Jun 17, 2019Observed: 19.11 ft at 12:45AM Jun 17, 2019Observed: 19.09 ft at 1:00AM Jun 17, 2019Observed: 19.1 ft at 1:15AM Jun 17, 2019Observed: 19.11 ft at 1:30AM Jun 17, 2019Observed: 19.11 ft at 1:45AM Jun 17, 2019Observed: 19.12 ft at 2:00AM Jun 17, 2019Observed: 19.1 ft at 2:15AM Jun 17, 2019Observed: 19.09 ft at 2:30AM Jun 17, 2019Observed: 19.09 ft at 2:45AM Jun 17, 2019Observed: 19.08 ft at 3:00AM Jun 17, 2019Observed: 19.09 ft at 3:15AM Jun 17, 2019Observed: 19.08 ft at 3:30AM Jun 17, 2019Observed: 19.08 ft at 3:45AM Jun 17, 2019Observed: 19.08 ft at 3:47AM Jun 17, 2019Observed: 19.09 ft at 4:00AM Jun 17, 2019Observed: 19.09 ft at 4:02AM Jun 17, 2019Observed: 19.07 ft at 4:15AM Jun 17, 2019Observed: 19.07 ft at 4:17AM Jun 17, 2019Observed: 19.08 ft at 4:30AM Jun 17, 2019Observed: 19.06 ft at 4:45AM Jun 17, 2019Observed: 19.07 ft at 5:00AM Jun 17, 2019Observed: 19.06 ft at 5:15AM Jun 17, 2019Observed: 19.07 ft at 5:30AM Jun 17, 2019Observed: 19.06 ft at 5:45AM Jun 17, 2019Observed: 19.06 ft at 6:00AM Jun 17, 2019Observed: 19.06 ft at 6:15AM Jun 17, 2019Observed: 19.06 ft at 6:30AM Jun 17, 2019USGS--Water Resources of the United StatesHWDI4(plotting HGIRG) Graph Created (7:34AM Jun 17, 2019)ObservedLatest observed value: 19.06 ft at 6:30 AM CDT 17-Jun-2019. Flood Stage is 20.5 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Flow values shown may be different than other data sources. All observations are preliminary data.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Big Sioux River above Hawarden are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 24
Flood Stage: 20.5
Action Stage: 18.5
Low Stage (in feet): -9999

Historic Crests
(1) 35.30 ft on 03/15/2019
(2) 34.00 ft on 06/22/2018
(3) 22.38 ft on 05/02/2016
(4) 20.35 ft on 05/23/2017
(5) 18.30 ft on 07/09/2015

(P): Preliminary values subject to further review.

Recent Crests
(1) 35.30 ft on 03/15/2019
(2) 34.00 ft on 06/22/2018
(3) 20.35 ft on 05/23/2017
(4) 22.38 ft on 05/02/2016
(5) 18.30 ft on 07/09/2015

(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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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
32 Water backs up into the park in Hawarden, and some basements and sewers could begin to have problems.
30.5 Iowa Highway 10 begins to flood.
30 South Dakota Highway 46 begins to flood north of Hawarden.
29.5 County Road 13 begins to flood west of Hawarden.
28.5 River Road begins to flood about 1 1/2 miles south of County Road 13.
24 Some farm houses on the South Dakota side of the river are isolated by high water.
20.5 Agricultural flooding begins on the South Dakota side of the river.
About This Location Collapse

Latitude: 43.051389° N, Longitude: 96.489444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 20.5 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 1150 Not Available 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  

Current/Historical Observations:

Additional Information Collapse
This location became the official NWS river forecast point for the Big Sioux River near Hawarden on January 1, 2017. On Wednesday, April 11, 2018, the elevation defining Flood Stage for HWDI4 will be changed from 19.0 feet to 20.5 feet. How low could the river get?
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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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 1-Mar-2019 12:34 AM
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