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Hydrograph River at a Glance Download
Big Sioux River above Hawarden Stage (ft)Flow (cfs)Observed: 21.61 ft at 7:00PM Jul 07, 2019Observed: 21.6 ft at 7:15PM Jul 07, 2019Observed: 21.59 ft at 7:30PM Jul 07, 2019Observed: 21.56 ft at 7:45PM Jul 07, 2019Observed: 21.54 ft at 8:00PM Jul 07, 2019Observed: 21.52 ft at 8:15PM Jul 07, 2019Observed: 21.53 ft at 8:30PM Jul 07, 2019Observed: 21.49 ft at 8:45PM Jul 07, 2019Observed: 21.51 ft at 9:00PM Jul 07, 2019Observed: 21.47 ft at 9:15PM Jul 07, 2019Observed: 21.47 ft at 9:30PM Jul 07, 2019Observed: 21.47 ft at 9:31PM Jul 07, 2019Observed: 21.46 ft at 9:45PM Jul 07, 2019Observed: 21.46 ft at 9:46PM Jul 07, 2019Observed: 21.46 ft at 10:00PM Jul 07, 2019Observed: 21.46 ft at 10:01PM Jul 07, 2019Observed: 21.42 ft at 10:15PM Jul 07, 2019Observed: 21.42 ft at 10:30PM Jul 07, 2019Observed: 21.42 ft at 10:45PM Jul 07, 2019Observed: 21.42 ft at 11:00PM Jul 07, 2019Observed: 21.39 ft at 11:15PM Jul 07, 2019Observed: 21.38 ft at 11:30PM Jul 07, 2019Observed: 21.37 ft at 11:45PM Jul 07, 2019Observed: 21.36 ft at 12:00AM Jul 08, 2019Observed: 21.36 ft at 12:15AM Jul 08, 2019Observed: 21.32 ft at 12:30AM Jul 08, 2019Observed: 21.34 ft at 12:45AM Jul 08, 2019Observed: 21.33 ft at 1:00AM Jul 08, 2019Observed: 21.31 ft at 1:15AM Jul 08, 2019Observed: 21.31 ft at 1:30AM Jul 08, 2019Observed: 21.3 ft at 1:45AM Jul 08, 2019Observed: 21.28 ft at 2:00AM Jul 08, 2019Observed: 21.26 ft at 2:15AM Jul 08, 2019Observed: 21.26 ft at 2:30AM Jul 08, 2019Observed: 21.24 ft at 2:45AM Jul 08, 2019Observed: 21.24 ft at 3:00AM Jul 08, 2019Observed: 21.23 ft at 3:15AM Jul 08, 2019Observed: 21.21 ft at 3:30AM Jul 08, 2019Observed: 21.21 ft at 3:45AM Jul 08, 2019Observed: 21.18 ft at 4:00AM Jul 08, 2019Observed: 21.18 ft at 4:15AM Jul 08, 2019Observed: 21.18 ft at 4:30AM Jul 08, 2019Observed: 21.18 ft at 4:45AM Jul 08, 2019Observed: 21.14 ft at 5:00AM Jul 08, 2019Observed: 21.15 ft at 5:15AM Jul 08, 2019Observed: 21.12 ft at 5:30AM Jul 08, 2019Observed: 21.12 ft at 5:31AM Jul 08, 2019Observed: 21.12 ft at 5:45AM Jul 08, 2019Observed: 21.12 ft at 5:46AM Jul 08, 2019Observed: 21.11 ft at 6:00AM Jul 08, 2019Observed: 21.11 ft at 6:01AM Jul 08, 2019Observed: 21.12 ft at 6:15AM Jul 08, 2019Observed: 21.1 ft at 6:30AM Jul 08, 2019Observed: 21.08 ft at 6:45AM Jul 08, 2019Observed: 21.06 ft at 7:00AM Jul 08, 2019Observed: 21.07 ft at 7:15AM Jul 08, 2019Observed: 21.06 ft at 7:30AM Jul 08, 2019Observed: 21.07 ft at 7:45AM Jul 08, 2019Observed: 21.03 ft at 8:00AM Jul 08, 2019Observed: 21.01 ft at 8:15AM Jul 08, 2019Observed: 21.03 ft at 8:30AM Jul 08, 2019Observed: 21 ft at 8:45AM Jul 08, 2019Observed: 21.01 ft at 9:00AM Jul 08, 2019Observed: 21.01 ft at 9:15AM Jul 08, 2019Observed: 20.98 ft at 9:30AM Jul 08, 2019Observed: 20.99 ft at 9:45AM Jul 08, 2019Observed: 20.96 ft at 10:00AM Jul 08, 2019Observed: 20.97 ft at 10:15AM Jul 08, 2019Observed: 20.95 ft at 10:30AM Jul 08, 2019Observed: 20.94 ft at 10:45AM Jul 08, 2019Observed: 20.94 ft at 11:00AM Jul 08, 2019Observed: 20.92 ft at 11:15AM Jul 08, 2019Observed: 20.91 ft at 11:30AM Jul 08, 2019Observed: 20.92 ft at 11:45AM Jul 08, 2019Observed: 20.91 ft at 12:00PM Jul 08, 2019Observed: 20.87 ft at 12:15PM Jul 08, 2019Observed: 20.91 ft at 12:30PM Jul 08, 2019Observed: 20.88 ft at 12:45PM Jul 08, 2019Observed: 20.88 ft at 1:00PM Jul 08, 2019Observed: 20.87 ft at 1:15PM Jul 08, 2019Observed: 20.87 ft at 1:30PM Jul 08, 2019Observed: 20.87 ft at 1:32PM Jul 08, 2019Observed: 20.84 ft at 1:45PM Jul 08, 2019Observed: 20.84 ft at 1:47PM Jul 08, 2019Observed: 20.83 ft at 2:00PM Jul 08, 2019Observed: 20.83 ft at 2:02PM Jul 08, 2019Observed: 20.83 ft at 2:15PM Jul 08, 2019Observed: 20.81 ft at 2:30PM Jul 08, 2019Observed: 20.81 ft at 2:45PM Jul 08, 2019Observed: 20.82 ft at 3:00PM Jul 08, 2019Observed: 20.81 ft at 3:15PM Jul 08, 2019Observed: 20.81 ft at 3:30PM Jul 08, 2019Observed: 20.79 ft at 3:45PM Jul 08, 2019Observed: 20.8 ft at 4:00PM Jul 08, 2019Observed: 20.78 ft at 4:15PM Jul 08, 2019Observed: 20.79 ft at 4:30PM Jul 08, 2019Observed: 20.75 ft at 4:45PM Jul 08, 2019Observed: 20.76 ft at 5:00PM Jul 08, 2019Observed: 20.73 ft at 5:15PM Jul 08, 2019Observed: 20.75 ft at 5:30PM Jul 08, 2019Observed: 20.74 ft at 5:45PM Jul 08, 2019Observed: 20.73 ft at 6:00PM Jul 08, 2019Observed: 20.72 ft at 6:15PM Jul 08, 2019Observed: 20.72 ft at 6:30PM Jul 08, 2019Observed: 20.7 ft at 6:45PM Jul 08, 2019Observed: 20.69 ft at 7:00PM Jul 08, 2019Observed: 20.71 ft at 7:15PM Jul 08, 2019Observed: 20.68 ft at 7:30PM Jul 08, 2019Observed: 20.68 ft at 7:45PM Jul 08, 2019Observed: 20.68 ft at 8:00PM Jul 08, 2019Observed: 20.68 ft at 8:15PM Jul 08, 2019Observed: 20.65 ft at 8:30PM Jul 08, 2019Observed: 20.65 ft at 8:45PM Jul 08, 2019Observed: 20.63 ft at 9:00PM Jul 08, 2019Observed: 20.65 ft at 9:15PM Jul 08, 2019Observed: 20.64 ft at 9:30PM Jul 08, 2019Observed: 20.64 ft at 9:31PM Jul 08, 2019Observed: 20.63 ft at 9:45PM Jul 08, 2019Observed: 20.63 ft at 9:46PM Jul 08, 2019Observed: 20.61 ft at 10:00PM Jul 08, 2019Observed: 20.61 ft at 10:01PM Jul 08, 2019Observed: 20.61 ft at 10:15PM Jul 08, 2019Observed: 20.61 ft at 10:30PM Jul 08, 2019Observed: 20.59 ft at 10:45PM Jul 08, 2019Observed: 20.6 ft at 11:00PM Jul 08, 2019Observed: 20.59 ft at 11:15PM Jul 08, 2019Observed: 20.56 ft at 11:30PM Jul 08, 2019Observed: 20.57 ft at 11:45PM Jul 08, 2019Observed: 20.58 ft at 12:00AM Jul 09, 2019Observed: 20.56 ft at 12:15AM Jul 09, 2019Observed: 20.56 ft at 12:30AM Jul 09, 2019Observed: 20.56 ft at 12:45AM Jul 09, 2019Observed: 20.57 ft at 1:00AM Jul 09, 2019Observed: 20.56 ft at 1:15AM Jul 09, 2019Observed: 20.55 ft at 1:30AM Jul 09, 2019Observed: 20.54 ft at 1:45AM Jul 09, 2019Observed: 20.53 ft at 2:00AM Jul 09, 2019Observed: 20.52 ft at 2:15AM Jul 09, 2019Observed: 20.51 ft at 2:30AM Jul 09, 2019Observed: 20.51 ft at 2:45AM Jul 09, 2019Observed: 20.51 ft at 3:00AM Jul 09, 2019Observed: 20.5 ft at 3:15AM Jul 09, 2019Observed: 20.49 ft at 3:30AM Jul 09, 2019Observed: 20.49 ft at 3:45AM Jul 09, 2019Observed: 20.46 ft at 4:00AM Jul 09, 2019Observed: 20.48 ft at 4:15AM Jul 09, 2019Observed: 20.48 ft at 4:30AM Jul 09, 2019Observed: 20.48 ft at 4:45AM Jul 09, 2019Observed: 20.45 ft at 5:00AM Jul 09, 2019Observed: 20.45 ft at 5:15AM Jul 09, 2019Observed: 20.48 ft at 5:30AM Jul 09, 2019Observed: 20.48 ft at 5:31AM Jul 09, 2019Observed: 20.44 ft at 5:45AM Jul 09, 2019Observed: 20.44 ft at 5:46AM Jul 09, 2019Observed: 20.44 ft at 6:00AM Jul 09, 2019Observed: 20.44 ft at 6:01AM Jul 09, 2019Observed: 20.44 ft at 6:15AM Jul 09, 2019Observed: 20.43 ft at 6:30AM Jul 09, 2019Observed: 20.42 ft at 6:45AM Jul 09, 2019Observed: 20.43 ft at 7:00AM Jul 09, 2019Observed: 20.44 ft at 7:15AM Jul 09, 2019Observed: 20.42 ft at 7:30AM Jul 09, 2019Observed: 20.4 ft at 7:45AM Jul 09, 2019Observed: 20.41 ft at 8:00AM Jul 09, 2019Observed: 20.4 ft at 8:15AM Jul 09, 2019Observed: 20.42 ft at 8:30AM Jul 09, 2019Observed: 20.45 ft at 8:45AM Jul 09, 2019Observed: 20.49 ft at 9:00AM Jul 09, 2019Observed: 20.49 ft at 9:15AM Jul 09, 2019Observed: 20.49 ft at 9:30AM Jul 09, 2019Observed: 20.49 ft at 9:45AM Jul 09, 2019Observed: 20.46 ft at 10:00AM Jul 09, 2019Observed: 20.48 ft at 10:15AM Jul 09, 2019Observed: 20.52 ft at 10:30AM Jul 09, 2019Observed: 20.52 ft at 10:45AM Jul 09, 2019Observed: 20.52 ft at 11:00AM Jul 09, 2019Observed: 20.53 ft at 11:15AM Jul 09, 2019Observed: 20.54 ft at 11:30AM Jul 09, 2019Observed: 20.53 ft at 11:45AM Jul 09, 2019Observed: 20.53 ft at 12:00PM Jul 09, 2019Observed: 20.53 ft at 12:15PM Jul 09, 2019Observed: 20.56 ft at 12:30PM Jul 09, 2019Observed: 20.54 ft at 12:45PM Jul 09, 2019Observed: 20.58 ft at 1:00PM Jul 09, 2019Observed: 20.59 ft at 1:15PM Jul 09, 2019Observed: 20.59 ft at 1:30PM Jul 09, 2019Observed: 20.59 ft at 1:32PM Jul 09, 2019Observed: 20.6 ft at 1:45PM Jul 09, 2019Observed: 20.6 ft at 1:47PM Jul 09, 2019Observed: 20.58 ft at 2:00PM Jul 09, 2019Observed: 20.58 ft at 2:02PM Jul 09, 2019Observed: 20.62 ft at 2:15PM Jul 09, 2019Observed: 20.61 ft at 2:30PM Jul 09, 2019Observed: 20.63 ft at 2:45PM Jul 09, 2019Observed: 20.62 ft at 3:00PM Jul 09, 2019Observed: 20.63 ft at 3:15PM Jul 09, 2019Observed: 20.62 ft at 3:30PM Jul 09, 2019Observed: 20.64 ft at 3:45PM Jul 09, 2019Observed: 20.63 ft at 4:00PM Jul 09, 2019Observed: 20.66 ft at 4:15PM Jul 09, 2019Observed: 20.67 ft at 4:30PM Jul 09, 2019Observed: 20.69 ft at 4:45PM Jul 09, 2019Observed: 20.69 ft at 5:00PM Jul 09, 2019Observed: 20.69 ft at 5:15PM Jul 09, 2019Observed: 20.72 ft at 5:30PM Jul 09, 2019Observed: 20.71 ft at 5:45PM Jul 09, 2019Observed: 20.74 ft at 6:00PM Jul 09, 2019Observed: 20.76 ft at 6:15PM Jul 09, 2019Observed: 20.76 ft at 6:30PM Jul 09, 2019Observed: 20.77 ft at 6:45PM Jul 09, 2019Observed: 20.77 ft at 7:00PM Jul 09, 2019Observed: 20.8 ft at 7:15PM Jul 09, 2019Observed: 20.81 ft at 7:30PM Jul 09, 2019Observed: 20.81 ft at 7:45PM Jul 09, 2019Observed: 20.85 ft at 8:00PM Jul 09, 2019Observed: 20.85 ft at 8:15PM Jul 09, 2019Observed: 20.87 ft at 8:30PM Jul 09, 2019Observed: 20.89 ft at 8:45PM Jul 09, 2019Observed: 20.89 ft at 9:00PM Jul 09, 2019Observed: 20.9 ft at 9:15PM Jul 09, 2019Observed: 20.92 ft at 9:30PM Jul 09, 2019Observed: 20.92 ft at 9:32PM Jul 09, 2019Observed: 20.94 ft at 9:45PM Jul 09, 2019Observed: 20.94 ft at 9:47PM Jul 09, 2019Observed: 20.95 ft at 10:00PM Jul 09, 2019Observed: 20.95 ft at 10:02PM Jul 09, 2019Observed: 20.94 ft at 10:15PM Jul 09, 2019Observed: 20.95 ft at 10:30PM Jul 09, 2019Observed: 20.96 ft at 10:45PM Jul 09, 2019Observed: 20.97 ft at 11:00PM Jul 09, 2019Observed: 21 ft at 11:15PM Jul 09, 2019Observed: 21.03 ft at 11:30PM Jul 09, 2019Observed: 21.03 ft at 11:45PM Jul 09, 2019Observed: 21.02 ft at 12:00AM Jul 10, 2019Observed: 21.05 ft at 12:15AM Jul 10, 2019Observed: 21.06 ft at 12:30AM Jul 10, 2019Observed: 21.06 ft at 12:45AM Jul 10, 2019Observed: 21.1 ft at 1:00AM Jul 10, 2019Observed: 21.11 ft at 1:15AM Jul 10, 2019Observed: 21.11 ft at 1:30AM Jul 10, 2019Observed: 21.12 ft at 1:45AM Jul 10, 2019Observed: 21.13 ft at 2:00AM Jul 10, 2019Observed: 21.15 ft at 2:15AM Jul 10, 2019Observed: 21.16 ft at 2:30AM Jul 10, 2019Observed: 21.17 ft at 2:45AM Jul 10, 2019Observed: 21.18 ft at 3:00AM Jul 10, 2019Observed: 21.2 ft at 3:15AM Jul 10, 2019Observed: 21.21 ft at 3:30AM Jul 10, 2019Observed: 21.23 ft at 3:45AM Jul 10, 2019Observed: 21.24 ft at 4:00AM Jul 10, 2019Observed: 21.26 ft at 4:15AM Jul 10, 2019Observed: 21.27 ft at 4:30AM Jul 10, 2019Observed: 21.27 ft at 4:45AM Jul 10, 2019Observed: 21.29 ft at 5:00AM Jul 10, 2019Observed: 21.34 ft at 5:15AM Jul 10, 2019Observed: 21.35 ft at 5:30AM Jul 10, 2019Observed: 21.35 ft at 5:32AM Jul 10, 2019Observed: 21.35 ft at 5:45AM Jul 10, 2019Observed: 21.35 ft at 5:47AM Jul 10, 2019Observed: 21.34 ft at 6:00AM Jul 10, 2019Observed: 21.34 ft at 6:02AM Jul 10, 2019Observed: 21.37 ft at 6:15AM Jul 10, 2019Observed: 21.37 ft at 6:30AM Jul 10, 2019Observed: 21.37 ft at 6:45AM Jul 10, 2019Observed: 21.41 ft at 7:00AM Jul 10, 2019Observed: 21.41 ft at 7:15AM Jul 10, 2019Observed: 21.44 ft at 7:30AM Jul 10, 2019Observed: 21.45 ft at 7:45AM Jul 10, 2019Observed: 21.46 ft at 8:00AM Jul 10, 2019Observed: 21.47 ft at 8:15AM Jul 10, 2019Observed: 21.51 ft at 8:30AM Jul 10, 2019Observed: 21.5 ft at 8:45AM Jul 10, 2019Observed: 21.54 ft at 9:00AM Jul 10, 2019Observed: 21.55 ft at 9:15AM Jul 10, 2019Observed: 21.57 ft at 9:30AM Jul 10, 2019Observed: 21.59 ft at 9:45AM Jul 10, 2019Observed: 21.6 ft at 10:00AM Jul 10, 2019Observed: 21.61 ft at 10:15AM Jul 10, 2019Observed: 21.65 ft at 10:30AM Jul 10, 2019Observed: 21.65 ft at 10:45AM Jul 10, 2019Observed: 21.66 ft at 11:00AM Jul 10, 2019Observed: 21.67 ft at 11:15AM Jul 10, 2019Observed: 21.7 ft at 11:30AM Jul 10, 2019Observed: 21.7 ft at 11:45AM Jul 10, 2019Observed: 21.72 ft at 12:00PM Jul 10, 2019Observed: 21.74 ft at 12:15PM Jul 10, 2019Observed: 21.76 ft at 12:30PM Jul 10, 2019Observed: 21.77 ft at 12:45PM Jul 10, 2019Observed: 21.81 ft at 1:00PM Jul 10, 2019Observed: 21.79 ft at 1:15PM Jul 10, 2019Observed: 21.81 ft at 1:30PM Jul 10, 2019Observed: 21.81 ft at 1:31PM Jul 10, 2019Observed: 21.8 ft at 1:45PM Jul 10, 2019Observed: 21.8 ft at 1:46PM Jul 10, 2019Observed: 21.85 ft at 2:00PM Jul 10, 2019Observed: 21.85 ft at 2:01PM Jul 10, 2019Observed: 21.84 ft at 2:15PM Jul 10, 2019Observed: 21.85 ft at 2:30PM Jul 10, 2019Observed: 21.87 ft at 2:45PM Jul 10, 2019Observed: 21.9 ft at 3:00PM Jul 10, 2019Observed: 21.91 ft at 3:15PM Jul 10, 2019Observed: 21.91 ft at 3:30PM Jul 10, 2019Observed: 21.94 ft at 3:45PM Jul 10, 2019Observed: 21.92 ft at 4:00PM Jul 10, 2019Observed: 21.94 ft at 4:15PM Jul 10, 2019Observed: 21.95 ft at 4:30PM Jul 10, 2019Observed: 21.96 ft at 4:45PM Jul 10, 2019Observed: 21.99 ft at 5:00PM Jul 10, 2019Observed: 21.99 ft at 5:15PM Jul 10, 2019Observed: 22.01 ft at 5:30PM Jul 10, 2019Observed: 22.01 ft at 5:45PM Jul 10, 2019Observed: 22.02 ft at 6:00PM Jul 10, 2019Observed: 22.04 ft at 6:15PM Jul 10, 2019Observed: 22.04 ft at 6:30PM Jul 10, 2019Observed: 22.04 ft at 6:45PM Jul 10, 2019Observed: 22.04 ft at 7:00PM Jul 10, 2019Observed: 22.07 ft at 7:15PM Jul 10, 2019Observed: 22.08 ft at 7:30PM Jul 10, 2019Observed: 22.1 ft at 7:45PM Jul 10, 2019Observed: 22.06 ft at 8:00PM Jul 10, 2019Observed: 22.1 ft at 8:15PM Jul 10, 2019Observed: 22.12 ft at 8:30PM Jul 10, 2019Observed: 22.11 ft at 8:45PM Jul 10, 2019Observed: 22.15 ft at 9:00PM Jul 10, 2019Observed: 22.13 ft at 9:15PM Jul 10, 2019Observed: 22.16 ft at 9:30PM Jul 10, 2019Observed: 22.15 ft at 9:45PM Jul 10, 2019Observed: 22.15 ft at 9:46PM Jul 10, 2019Observed: 22.17 ft at 10:00PM Jul 10, 2019Observed: 22.17 ft at 10:01PM Jul 10, 2019Observed: 22.16 ft at 10:15PM Jul 10, 2019Observed: 22.16 ft at 10:16PM Jul 10, 2019Observed: 22.17 ft at 10:30PM Jul 10, 2019Observed: 22.16 ft at 10:45PM Jul 10, 2019Observed: 22.18 ft at 11:00PM Jul 10, 2019Observed: 22.16 ft at 11:15PM Jul 10, 2019Observed: 22.16 ft at 11:30PM Jul 10, 2019Observed: 22.19 ft at 11:45PM Jul 10, 2019Observed: 22.18 ft at 12:00AM Jul 11, 2019Observed: 22.2 ft at 12:15AM Jul 11, 2019Observed: 22.21 ft at 12:30AM Jul 11, 2019Observed: 22.22 ft at 12:45AM Jul 11, 2019Observed: 22.21 ft at 1:00AM Jul 11, 2019Observed: 22.22 ft at 1:15AM Jul 11, 2019Observed: 22.24 ft at 1:30AM Jul 11, 2019Highest Observation: 22.25 ft at 1:45AM Jul 11, 2019Observed: 22.24 ft at 2:00AM Jul 11, 2019Observed: 22.24 ft at 2:15AM Jul 11, 2019Observed: 22.21 ft at 2:30AM Jul 11, 2019Observed: 22.23 ft at 2:45AM Jul 11, 2019Observed: 22.19 ft at 3:00AM Jul 11, 2019Observed: 22.24 ft at 3:15AM Jul 11, 2019Observed: 22.21 ft at 3:30AM Jul 11, 2019Highest Observation: 22.25 ft at 3:45AM Jul 11, 2019Highest Observation: 22.25 ft at 4:00AM Jul 11, 2019Observed: 22.22 ft at 4:15AM Jul 11, 2019Highest Observation: 22.25 ft at 4:30AM Jul 11, 2019Observed: 22.23 ft at 4:45AM Jul 11, 2019Highest Observation: 22.25 ft at 5:00AM Jul 11, 2019Observed: 22.24 ft at 5:15AM Jul 11, 2019Observed: 22.24 ft at 5:30AM Jul 11, 2019Observed: 22.22 ft at 5:45AM Jul 11, 2019Observed: 22.22 ft at 5:47AM Jul 11, 2019Observed: 22.23 ft at 6:00AM Jul 11, 2019Observed: 22.23 ft at 6:02AM Jul 11, 2019Observed: 22.23 ft at 6:15AM Jul 11, 2019Observed: 22.23 ft at 6:17AM Jul 11, 2019Highest Observation: 22.25 ft at 6:30AM Jul 11, 2019Observed: 22.22 ft at 6:45AM Jul 11, 2019Observed: 22.22 ft at 7:00AM Jul 11, 2019Observed: 22.2 ft at 7:15AM Jul 11, 2019Observed: 22.22 ft at 7:30AM Jul 11, 2019Observed: 22.2 ft at 7:45AM Jul 11, 2019Observed: 22.22 ft at 8:00AM Jul 11, 2019Observed: 22.18 ft at 8:15AM Jul 11, 2019Observed: 22.18 ft at 8:30AM Jul 11, 2019Observed: 22.18 ft at 8:45AM Jul 11, 2019Observed: 22.17 ft at 9:00AM Jul 11, 2019Observed: 22.17 ft at 9:15AM Jul 11, 2019Observed: 22.16 ft at 9:30AM Jul 11, 2019Observed: 22.15 ft at 9:45AM Jul 11, 2019Observed: 22.14 ft at 10:00AM Jul 11, 2019Observed: 22.13 ft at 10:15AM Jul 11, 2019Observed: 22.11 ft at 10:30AM Jul 11, 2019Observed: 22.1 ft at 10:45AM Jul 11, 2019Observed: 22.12 ft at 11:00AM Jul 11, 2019Observed: 22.08 ft at 11:15AM Jul 11, 2019Observed: 22.06 ft at 11:30AM Jul 11, 2019Observed: 22.08 ft at 11:45AM Jul 11, 2019Observed: 22.07 ft at 12:00PM Jul 11, 2019Observed: 22.06 ft at 12:15PM Jul 11, 2019Observed: 22.07 ft at 12:30PM Jul 11, 2019Observed: 22.02 ft at 12:45PM Jul 11, 2019Observed: 22.03 ft at 1:00PM Jul 11, 2019Observed: 22 ft at 1:15PM Jul 11, 2019Observed: 22.02 ft at 1:30PM Jul 11, 2019Observed: 21.99 ft at 1:45PM Jul 11, 2019Observed: 21.99 ft at 1:46PM Jul 11, 2019Observed: 21.97 ft at 2:00PM Jul 11, 2019Observed: 21.97 ft at 2:01PM Jul 11, 2019Observed: 21.98 ft at 2:15PM Jul 11, 2019Observed: 21.98 ft at 2:16PM Jul 11, 2019Observed: 21.96 ft at 2:30PM Jul 11, 2019Observed: 21.97 ft at 2:45PM Jul 11, 2019Observed: 21.96 ft at 3:00PM Jul 11, 2019Observed: 21.95 ft at 3:15PM Jul 11, 2019Observed: 21.94 ft at 3:30PM Jul 11, 2019Observed: 21.95 ft at 3:45PM Jul 11, 2019Observed: 21.92 ft at 4:00PM Jul 11, 2019Observed: 21.92 ft at 4:15PM Jul 11, 2019Observed: 21.91 ft at 4:30PM Jul 11, 2019Observed: 21.89 ft at 4:45PM Jul 11, 2019Observed: 21.87 ft at 5:00PM Jul 11, 2019Observed: 21.87 ft at 5:15PM Jul 11, 2019Observed: 21.87 ft at 5:30PM Jul 11, 2019Observed: 21.85 ft at 5:45PM Jul 11, 2019Observed: 21.82 ft at 6:00PM Jul 11, 2019Observed: 21.82 ft at 6:15PM Jul 11, 2019Observed: 21.82 ft at 6:30PM Jul 11, 2019Observed: 21.82 ft at 6:45PM Jul 11, 2019Observed: 21.79 ft at 7:00PM Jul 11, 2019Observed: 21.77 ft at 7:15PM Jul 11, 2019Observed: 21.76 ft at 7:30PM Jul 11, 2019Observed: 21.77 ft at 7:45PM Jul 11, 2019Observed: 21.76 ft at 8:00PM Jul 11, 2019Observed: 21.74 ft at 8:15PM Jul 11, 2019Observed: 21.74 ft at 8:30PM Jul 11, 2019Observed: 21.74 ft at 8:45PM Jul 11, 2019Observed: 21.7 ft at 9:00PM Jul 11, 2019Observed: 21.71 ft at 9:15PM Jul 11, 2019Observed: 21.71 ft at 9:30PM Jul 11, 2019Observed: 21.7 ft at 9:45PM Jul 11, 2019Observed: 21.7 ft at 9:47PM Jul 11, 2019Observed: 21.65 ft at 10:00PM Jul 11, 2019Observed: 21.65 ft at 10:02PM Jul 11, 2019Observed: 21.65 ft at 10:15PM Jul 11, 2019Observed: 21.65 ft at 10:17PM Jul 11, 2019Observed: 21.66 ft at 10:30PM Jul 11, 2019Observed: 21.64 ft at 10:45PM Jul 11, 2019Observed: 21.63 ft at 11:00PM Jul 11, 2019Observed: 21.63 ft at 11:15PM Jul 11, 2019Observed: 21.62 ft at 11:30PM Jul 11, 2019Observed: 21.63 ft at 11:45PM Jul 11, 2019Observed: 21.61 ft at 12:00AM Jul 12, 2019Observed: 21.6 ft at 12:15AM Jul 12, 2019Observed: 21.58 ft at 12:30AM Jul 12, 2019Observed: 21.55 ft at 12:45AM Jul 12, 2019Observed: 21.56 ft at 1:00AM Jul 12, 2019Observed: 21.54 ft at 1:15AM Jul 12, 2019Observed: 21.56 ft at 1:30AM Jul 12, 2019Observed: 21.51 ft at 1:45AM Jul 12, 2019Observed: 21.52 ft at 2:00AM Jul 12, 2019Observed: 21.52 ft at 2:15AM Jul 12, 2019Observed: 21.49 ft at 2:30AM Jul 12, 2019Observed: 21.48 ft at 2:45AM Jul 12, 2019Observed: 21.47 ft at 3:00AM Jul 12, 2019Observed: 21.48 ft at 3:15AM Jul 12, 2019Observed: 21.46 ft at 3:30AM Jul 12, 2019Observed: 21.44 ft at 3:45AM Jul 12, 2019Observed: 21.46 ft at 4:00AM Jul 12, 2019Observed: 21.44 ft at 4:15AM Jul 12, 2019Observed: 21.42 ft at 4:30AM Jul 12, 2019Observed: 21.42 ft at 4:45AM Jul 12, 2019Observed: 21.42 ft at 5:00AM Jul 12, 2019Observed: 21.4 ft at 5:15AM Jul 12, 2019Observed: 21.37 ft at 5:30AM Jul 12, 2019Observed: 21.38 ft at 5:45AM Jul 12, 2019Observed: 21.38 ft at 5:46AM Jul 12, 2019Observed: 21.37 ft at 6:00AM Jul 12, 2019Observed: 21.37 ft at 6:01AM Jul 12, 2019Observed: 21.37 ft at 6:15AM Jul 12, 2019Observed: 21.37 ft at 6:16AM Jul 12, 2019Observed: 21.36 ft at 6:30AM Jul 12, 2019Observed: 21.35 ft at 6:45AM Jul 12, 2019Observed: 21.36 ft at 7:00AM Jul 12, 2019Observed: 21.32 ft at 7:15AM Jul 12, 2019Observed: 21.35 ft at 7:30AM Jul 12, 2019Observed: 21.31 ft at 7:45AM Jul 12, 2019Observed: 21.31 ft at 8:00AM Jul 12, 2019Observed: 21.31 ft at 8:15AM Jul 12, 2019Observed: 21.31 ft at 8:30AM Jul 12, 2019Observed: 21.3 ft at 8:45AM Jul 12, 2019Observed: 21.29 ft at 9:00AM Jul 12, 2019Observed: 21.3 ft at 9:15AM Jul 12, 2019Observed: 21.26 ft at 9:30AM Jul 12, 2019Observed: 21.3 ft at 9:45AM Jul 12, 2019Observed: 21.28 ft at 10:00AM Jul 12, 2019Observed: 21.23 ft at 10:30AM Jul 12, 2019Observed: 21.23 ft at 10:45AM Jul 12, 2019Observed: 21.23 ft at 11:00AM Jul 12, 2019Observed: 21.19 ft at 11:15AM Jul 12, 2019Observed: 21.19 ft at 11:30AM Jul 12, 2019Observed: 21.2 ft at 11:45AM Jul 12, 2019Observed: 21.19 ft at 12:00PM Jul 12, 2019Observed: 21.19 ft at 12:15PM Jul 12, 2019Observed: 21.19 ft at 12:30PM Jul 12, 2019Observed: 21.19 ft at 12:45PM Jul 12, 2019Observed: 21.19 ft at 1:00PM Jul 12, 2019Observed: 21.16 ft at 1:15PM Jul 12, 2019Observed: 21.15 ft at 1:30PM Jul 12, 2019Observed: 21.15 ft at 1:45PM Jul 12, 2019Observed: 21.15 ft at 1:47PM Jul 12, 2019Observed: 21.13 ft at 2:00PM Jul 12, 2019Observed: 21.13 ft at 2:02PM Jul 12, 2019Observed: 21.11 ft at 2:15PM Jul 12, 2019Observed: 21.11 ft at 2:17PM Jul 12, 2019Observed: 21.12 ft at 2:30PM Jul 12, 2019Observed: 21.11 ft at 2:45PM Jul 12, 2019Observed: 21.09 ft at 3:00PM Jul 12, 2019Observed: 21.09 ft at 3:15PM Jul 12, 2019Observed: 21.09 ft at 3:30PM Jul 12, 2019Observed: 21.06 ft at 3:45PM Jul 12, 2019Observed: 21.08 ft at 4:00PM Jul 12, 2019Observed: 21.09 ft at 4:15PM Jul 12, 2019Observed: 21.04 ft at 4:30PM Jul 12, 2019Observed: 21.06 ft at 4:45PM Jul 12, 2019Observed: 21.06 ft at 5:00PM Jul 12, 2019Observed: 21.04 ft at 5:15PM Jul 12, 2019Observed: 21.06 ft at 5:30PM Jul 12, 2019Observed: 21.05 ft at 5:45PM Jul 12, 2019Observed: 21.04 ft at 6:00PM Jul 12, 2019Observed: 21.04 ft at 6:15PM Jul 12, 2019Observed: 21.04 ft at 6:30PM Jul 12, 2019Observed: 21.04 ft at 6:45PM Jul 12, 2019Observed: 21.02 ft at 7:00PM Jul 12, 2019Observed: 21.03 ft at 7:15PM Jul 12, 2019Observed: 21.01 ft at 7:30PM Jul 12, 2019Observed: 21.02 ft at 7:45PM Jul 12, 2019Observed: 21.01 ft at 8:00PM Jul 12, 2019Observed: 21 ft at 8:15PM Jul 12, 2019Observed: 20.98 ft at 8:30PM Jul 12, 2019Observed: 20.99 ft at 8:45PM Jul 12, 2019Observed: 20.98 ft at 9:00PM Jul 12, 2019Observed: 21.01 ft at 9:15PM Jul 12, 2019Observed: 20.98 ft at 9:30PM Jul 12, 2019Observed: 20.96 ft at 9:45PM Jul 12, 2019Observed: 20.96 ft at 9:46PM Jul 12, 2019Observed: 20.95 ft at 10:00PM Jul 12, 2019Observed: 20.95 ft at 10:01PM Jul 12, 2019Observed: 20.96 ft at 10:15PM Jul 12, 2019Observed: 20.96 ft at 10:16PM Jul 12, 2019Observed: 20.95 ft at 10:30PM Jul 12, 2019Observed: 20.95 ft at 10:45PM Jul 12, 2019Observed: 20.95 ft at 11:00PM Jul 12, 2019Observed: 20.92 ft at 11:15PM Jul 12, 2019Observed: 20.95 ft at 11:30PM Jul 12, 2019Observed: 20.91 ft at 11:45PM Jul 12, 2019Observed: 20.92 ft at 12:00AM Jul 13, 2019Observed: 20.91 ft at 12:15AM Jul 13, 2019Observed: 20.92 ft at 12:30AM Jul 13, 2019Observed: 20.92 ft at 12:45AM Jul 13, 2019Observed: 20.9 ft at 1:00AM Jul 13, 2019Observed: 20.9 ft at 1:15AM Jul 13, 2019Observed: 20.89 ft at 1:30AM Jul 13, 2019Observed: 20.87 ft at 1:45AM Jul 13, 2019Observed: 20.86 ft at 2:00AM Jul 13, 2019Observed: 20.87 ft at 2:15AM Jul 13, 2019Observed: 20.87 ft at 2:30AM Jul 13, 2019Observed: 20.88 ft at 2:45AM Jul 13, 2019Observed: 20.86 ft at 3:00AM Jul 13, 2019Observed: 20.86 ft at 3:15AM Jul 13, 2019Observed: 20.87 ft at 3:30AM Jul 13, 2019Observed: 20.87 ft at 3:45AM Jul 13, 2019Observed: 20.86 ft at 4:00AM Jul 13, 2019Observed: 20.84 ft at 4:15AM Jul 13, 2019Observed: 20.85 ft at 4:30AM Jul 13, 2019Observed: 20.84 ft at 4:45AM Jul 13, 2019Observed: 20.85 ft at 5:00AM Jul 13, 2019Observed: 20.83 ft at 5:15AM Jul 13, 2019Observed: 20.83 ft at 5:30AM Jul 13, 2019Observed: 20.83 ft at 5:45AM Jul 13, 2019Observed: 20.83 ft at 5:46AM Jul 13, 2019Observed: 20.83 ft at 6:00AM Jul 13, 2019Observed: 20.83 ft at 6:01AM Jul 13, 2019Observed: 20.81 ft at 6:15AM Jul 13, 2019Observed: 20.81 ft at 6:16AM Jul 13, 2019Observed: 20.8 ft at 6:30AM Jul 13, 2019Observed: 20.82 ft at 6:45AM Jul 13, 2019Observed: 20.79 ft at 7:00AM Jul 13, 2019Observed: 20.82 ft at 7:15AM Jul 13, 2019Observed: 20.82 ft at 7:30AM Jul 13, 2019Observed: 20.79 ft at 7:45AM Jul 13, 2019Observed: 20.82 ft at 8:00AM Jul 13, 2019Observed: 20.79 ft at 8:15AM Jul 13, 2019Observed: 20.78 ft at 8:30AM Jul 13, 2019Observed: 20.79 ft at 8:45AM Jul 13, 2019Observed: 20.79 ft at 9:00AM Jul 13, 2019Observed: 20.79 ft at 9:15AM Jul 13, 2019Observed: 20.78 ft at 9:30AM Jul 13, 2019Observed: 20.76 ft at 9:45AM Jul 13, 2019Observed: 20.76 ft at 10:00AM Jul 13, 2019Observed: 20.75 ft at 10:15AM Jul 13, 2019Observed: 20.74 ft at 10:30AM Jul 13, 2019Observed: 20.75 ft at 10:45AM Jul 13, 2019Observed: 20.73 ft at 11:00AM Jul 13, 2019Observed: 20.74 ft at 11:15AM Jul 13, 2019Observed: 20.73 ft at 11:30AM Jul 13, 2019Observed: 20.71 ft at 11:45AM Jul 13, 2019Observed: 20.76 ft at 12:00PM Jul 13, 2019Observed: 20.72 ft at 12:15PM Jul 13, 2019Observed: 20.71 ft at 12:30PM Jul 13, 2019Observed: 20.7 ft at 12:45PM Jul 13, 2019Observed: 20.72 ft at 1:00PM Jul 13, 2019Observed: 20.68 ft at 1:15PM Jul 13, 2019Observed: 20.69 ft at 1:30PM Jul 13, 2019Observed: 20.7 ft at 1:45PM Jul 13, 2019Observed: 20.7 ft at 1:46PM Jul 13, 2019Observed: 20.71 ft at 2:00PM Jul 13, 2019Observed: 20.71 ft at 2:01PM Jul 13, 2019Observed: 20.71 ft at 2:15PM Jul 13, 2019Observed: 20.71 ft at 2:16PM Jul 13, 2019Observed: 20.67 ft at 2:30PM Jul 13, 2019Observed: 20.66 ft at 2:45PM Jul 13, 2019Observed: 20.67 ft at 3:00PM Jul 13, 2019Observed: 20.67 ft at 3:15PM Jul 13, 2019Observed: 20.67 ft at 3:30PM Jul 13, 2019Observed: 20.66 ft at 3:45PM Jul 13, 2019Observed: 20.66 ft at 4:00PM Jul 13, 2019Observed: 20.65 ft at 4:15PM Jul 13, 2019Observed: 20.67 ft at 4:30PM Jul 13, 2019Observed: 20.65 ft at 4:45PM Jul 13, 2019Observed: 20.64 ft at 5:00PM Jul 13, 2019Observed: 20.65 ft at 5:15PM Jul 13, 2019Observed: 20.64 ft at 5:30PM Jul 13, 2019Observed: 20.63 ft at 5:45PM Jul 13, 2019Observed: 20.63 ft at 6:00PM Jul 13, 2019Observed: 20.61 ft at 6:15PM Jul 13, 2019Observed: 20.62 ft at 6:30PM Jul 13, 2019Observed: 20.63 ft at 6:45PM Jul 13, 2019Observed: 20.61 ft at 7:00PM Jul 13, 2019Observed: 20.62 ft at 7:15PM Jul 13, 2019Observed: 20.61 ft at 7:30PM Jul 13, 2019Observed: 20.59 ft at 7:45PM Jul 13, 2019Observed: 20.61 ft at 8:00PM Jul 13, 2019Observed: 20.6 ft at 8:15PM Jul 13, 2019Observed: 20.57 ft at 8:30PM Jul 13, 2019Observed: 20.6 ft at 8:45PM Jul 13, 2019Observed: 20.61 ft at 9:00PM Jul 13, 2019Observed: 20.58 ft at 9:15PM Jul 13, 2019Observed: 20.56 ft at 9:30PM Jul 13, 2019Observed: 20.58 ft at 9:45PM Jul 13, 2019Observed: 20.58 ft at 9:47PM Jul 13, 2019Observed: 20.58 ft at 10:00PM Jul 13, 2019Observed: 20.58 ft at 10:02PM Jul 13, 2019Observed: 20.57 ft at 10:15PM Jul 13, 2019Observed: 20.57 ft at 10:17PM Jul 13, 2019Observed: 20.56 ft at 10:30PM Jul 13, 2019Observed: 20.57 ft at 10:45PM Jul 13, 2019Observed: 20.57 ft at 11:00PM Jul 13, 2019Observed: 20.55 ft at 11:15PM Jul 13, 2019Observed: 20.55 ft at 11:30PM Jul 13, 2019Observed: 20.56 ft at 11:45PM Jul 13, 2019Observed: 20.55 ft at 12:00AM Jul 14, 2019Observed: 20.54 ft at 12:15AM Jul 14, 2019Observed: 20.53 ft at 12:30AM Jul 14, 2019Observed: 20.53 ft at 12:45AM Jul 14, 2019Observed: 20.54 ft at 1:00AM Jul 14, 2019Observed: 20.53 ft at 1:15AM Jul 14, 2019Observed: 20.51 ft at 1:30AM Jul 14, 2019Observed: 20.53 ft at 1:45AM Jul 14, 2019Observed: 20.52 ft at 2:00AM Jul 14, 2019Observed: 20.53 ft at 2:15AM Jul 14, 2019Observed: 20.51 ft at 2:30AM Jul 14, 2019Observed: 20.53 ft at 2:45AM Jul 14, 2019Observed: 20.51 ft at 3:00AM Jul 14, 2019Observed: 20.51 ft at 3:15AM Jul 14, 2019Observed: 20.5 ft at 3:30AM Jul 14, 2019Observed: 20.5 ft at 3:45AM Jul 14, 2019Observed: 20.5 ft at 4:00AM Jul 14, 2019Observed: 20.49 ft at 4:15AM Jul 14, 2019Observed: 20.49 ft at 4:30AM Jul 14, 2019Observed: 20.46 ft at 4:45AM Jul 14, 2019Observed: 20.5 ft at 5:00AM Jul 14, 2019Observed: 20.49 ft at 5:15AM Jul 14, 2019Observed: 20.48 ft at 5:30AM Jul 14, 2019Observed: 20.48 ft at 5:45AM Jul 14, 2019Observed: 20.48 ft at 6:00AM Jul 14, 2019Observed: 20.48 ft at 6:01AM Jul 14, 2019Observed: 20.46 ft at 6:15AM Jul 14, 2019Observed: 20.46 ft at 6:16AM Jul 14, 2019Observed: 20.46 ft at 6:30AM Jul 14, 2019Observed: 20.46 ft at 6:31AM Jul 14, 2019Observed: 20.43 ft at 6:45AM Jul 14, 2019Observed: 20.44 ft at 7:00AM Jul 14, 2019Observed: 20.45 ft at 7:15AM Jul 14, 2019Observed: 20.44 ft at 7:30AM Jul 14, 2019Observed: 20.45 ft at 7:45AM Jul 14, 2019Observed: 20.45 ft at 8:00AM Jul 14, 2019Observed: 20.46 ft at 8:15AM Jul 14, 2019Observed: 20.46 ft at 8:30AM Jul 14, 2019Observed: 20.44 ft at 8:45AM Jul 14, 2019Observed: 20.45 ft at 9:00AM Jul 14, 2019Observed: 20.44 ft at 9:15AM Jul 14, 2019Observed: 20.42 ft at 9:30AM Jul 14, 2019Observed: 20.43 ft at 9:45AM Jul 14, 2019Observed: 20.43 ft at 10:00AM Jul 14, 2019Observed: 20.43 ft at 10:15AM Jul 14, 2019Observed: 20.44 ft at 10:30AM Jul 14, 2019Observed: 20.41 ft at 10:45AM Jul 14, 2019Observed: 20.43 ft at 11:00AM Jul 14, 2019Observed: 20.42 ft at 11:15AM Jul 14, 2019Observed: 20.41 ft at 11:30AM Jul 14, 2019Observed: 20.41 ft at 11:45AM Jul 14, 2019Observed: 20.43 ft at 12:00PM Jul 14, 2019Observed: 20.42 ft at 12:15PM Jul 14, 2019Observed: 20.41 ft at 12:30PM Jul 14, 2019Observed: 20.4 ft at 12:45PM Jul 14, 2019Observed: 20.4 ft at 1:00PM Jul 14, 2019Observed: 20.4 ft at 1:15PM Jul 14, 2019Observed: 20.4 ft at 1:30PM Jul 14, 2019Observed: 20.41 ft at 1:45PM Jul 14, 2019Observed: 20.43 ft at 2:00PM Jul 14, 2019Observed: 20.43 ft at 2:02PM Jul 14, 2019Observed: 20.41 ft at 2:15PM Jul 14, 2019Observed: 20.41 ft at 2:17PM Jul 14, 2019Observed: 20.45 ft at 2:30PM Jul 14, 2019Observed: 20.45 ft at 2:32PM Jul 14, 2019Observed: 20.41 ft at 2:45PM Jul 14, 2019Observed: 20.4 ft at 3:00PM Jul 14, 2019Observed: 20.39 ft at 3:15PM Jul 14, 2019Observed: 20.4 ft at 3:30PM Jul 14, 2019Observed: 20.41 ft at 3:45PM Jul 14, 2019Observed: 20.42 ft at 4:00PM Jul 14, 2019Observed: 20.41 ft at 4:15PM Jul 14, 2019Observed: 20.41 ft at 4:30PM Jul 14, 2019Observed: 20.38 ft at 4:45PM Jul 14, 2019Observed: 20.39 ft at 5:00PM Jul 14, 2019Observed: 20.4 ft at 5:15PM Jul 14, 2019Observed: 20.4 ft at 5:30PM Jul 14, 2019Observed: 20.44 ft at 5:45PM Jul 14, 2019Observed: 20.41 ft at 6:00PM Jul 14, 2019Observed: 20.42 ft at 6:15PM Jul 14, 2019Observed: 20.43 ft at 6:30PM Jul 14, 2019Observed: 20.42 ft at 6:45PM Jul 14, 2019Observed: 20.39 ft at 7:00PM Jul 14, 2019Observed: 20.41 ft at 7:15PM Jul 14, 2019Observed: 20.44 ft at 7:30PM Jul 14, 2019Observed: 20.42 ft at 7:45PM Jul 14, 2019Observed: 20.43 ft at 8:00PM Jul 14, 2019Observed: 20.4 ft at 8:15PM Jul 14, 2019Observed: 20.4 ft at 8:30PM Jul 14, 2019Observed: 20.4 ft at 8:45PM Jul 14, 2019Observed: 20.41 ft at 9:00PM Jul 14, 2019Observed: 20.4 ft at 9:15PM Jul 14, 2019Observed: 20.41 ft at 9:30PM Jul 14, 2019Observed: 20.41 ft at 9:45PM Jul 14, 2019Observed: 20.41 ft at 10:00PM Jul 14, 2019Observed: 20.41 ft at 10:01PM Jul 14, 2019Observed: 20.42 ft at 10:15PM Jul 14, 2019Observed: 20.42 ft at 10:16PM Jul 14, 2019Observed: 20.41 ft at 10:30PM Jul 14, 2019Observed: 20.41 ft at 10:31PM Jul 14, 2019Observed: 20.43 ft at 10:45PM Jul 14, 2019Observed: 20.42 ft at 11:00PM Jul 14, 2019Observed: 20.43 ft at 11:15PM Jul 14, 2019Observed: 20.43 ft at 11:30PM Jul 14, 2019Observed: 20.42 ft at 11:45PM Jul 14, 2019Observed: 20.42 ft at 12:00AM Jul 15, 2019Observed: 20.44 ft at 12:15AM Jul 15, 2019Observed: 20.44 ft at 12:30AM Jul 15, 2019Observed: 20.46 ft at 12:45AM Jul 15, 2019Observed: 20.46 ft at 1:00AM Jul 15, 2019Observed: 20.45 ft at 1:15AM Jul 15, 2019Observed: 20.46 ft at 1:30AM Jul 15, 2019Observed: 20.46 ft at 1:45AM Jul 15, 2019Observed: 20.49 ft at 2:00AM Jul 15, 2019Observed: 20.49 ft at 2:15AM Jul 15, 2019Observed: 20.51 ft at 2:30AM Jul 15, 2019Observed: 20.51 ft at 2:45AM Jul 15, 2019Observed: 20.5 ft at 3:00AM Jul 15, 2019Observed: 20.52 ft at 3:15AM Jul 15, 2019Observed: 20.52 ft at 3:30AM Jul 15, 2019Observed: 20.53 ft at 3:45AM Jul 15, 2019Observed: 20.53 ft at 4:00AM Jul 15, 2019Observed: 20.52 ft at 4:15AM Jul 15, 2019Observed: 20.56 ft at 4:30AM Jul 15, 2019Observed: 20.54 ft at 4:45AM Jul 15, 2019Observed: 20.54 ft at 5:00AM Jul 15, 2019Observed: 20.58 ft at 5:15AM Jul 15, 2019Observed: 20.56 ft at 5:30AM Jul 15, 2019Observed: 20.58 ft at 5:45AM Jul 15, 2019Observed: 20.58 ft at 6:00AM Jul 15, 2019Observed: 20.58 ft at 6:01AM Jul 15, 2019Observed: 20.58 ft at 6:15AM Jul 15, 2019Observed: 20.58 ft at 6:16AM Jul 15, 2019Observed: 20.57 ft at 6:30AM Jul 15, 2019Observed: 20.57 ft at 6:31AM Jul 15, 2019Observed: 20.6 ft at 6:45AM Jul 15, 2019Observed: 20.61 ft at 7:00AM Jul 15, 2019Observed: 20.63 ft at 7:15AM Jul 15, 2019Observed: 20.63 ft at 7:30AM Jul 15, 2019Observed: 20.63 ft at 7:45AM Jul 15, 2019Observed: 20.63 ft at 8:00AM Jul 15, 2019Observed: 20.64 ft at 8:15AM Jul 15, 2019Observed: 20.65 ft at 8:30AM Jul 15, 2019Observed: 20.65 ft at 8:45AM Jul 15, 2019Observed: 20.66 ft at 9:00AM Jul 15, 2019Observed: 20.67 ft at 9:15AM Jul 15, 2019Observed: 20.68 ft at 9:30AM Jul 15, 2019Observed: 20.68 ft at 9:45AM Jul 15, 2019Observed: 20.67 ft at 10:00AM Jul 15, 2019Observed: 20.69 ft at 10:15AM Jul 15, 2019Observed: 20.7 ft at 10:30AM Jul 15, 2019Observed: 20.71 ft at 10:45AM Jul 15, 2019Observed: 20.71 ft at 11:00AM Jul 15, 2019Observed: 20.69 ft at 11:15AM Jul 15, 2019Observed: 20.71 ft at 11:30AM Jul 15, 2019Observed: 20.72 ft at 11:45AM Jul 15, 2019Observed: 20.73 ft at 12:00PM Jul 15, 2019Observed: 20.73 ft at 12:15PM Jul 15, 2019Observed: 20.73 ft at 12:30PM Jul 15, 2019Observed: 20.73 ft at 12:45PM Jul 15, 2019Observed: 20.75 ft at 1:00PM Jul 15, 2019Observed: 20.74 ft at 1:15PM Jul 15, 2019Observed: 20.75 ft at 1:30PM Jul 15, 2019Observed: 20.77 ft at 1:45PM Jul 15, 2019Observed: 20.75 ft at 2:00PM Jul 15, 2019Observed: 20.75 ft at 2:01PM Jul 15, 2019Observed: 20.75 ft at 2:15PM Jul 15, 2019Observed: 20.75 ft at 2:16PM Jul 15, 2019Observed: 20.76 ft at 2:30PM Jul 15, 2019Observed: 20.76 ft at 2:31PM Jul 15, 2019Observed: 20.79 ft at 2:45PM Jul 15, 2019Observed: 20.78 ft at 3:00PM Jul 15, 2019Observed: 20.76 ft at 3:15PM Jul 15, 2019Observed: 20.79 ft at 3:30PM Jul 15, 2019Observed: 20.77 ft at 3:45PM Jul 15, 2019Observed: 20.79 ft at 4:00PM Jul 15, 2019Observed: 20.81 ft at 4:15PM Jul 15, 2019Observed: 20.81 ft at 4:30PM Jul 15, 2019Observed: 20.81 ft at 4:45PM Jul 15, 2019Observed: 20.81 ft at 5:00PM Jul 15, 2019Observed: 20.82 ft at 5:15PM Jul 15, 2019Observed: 20.8 ft at 5:30PM Jul 15, 2019Observed: 20.81 ft at 5:45PM Jul 15, 2019Observed: 20.81 ft at 6:00PM Jul 15, 2019Observed: 20.82 ft at 6:15PM Jul 15, 2019Observed: 20.81 ft at 6:30PM Jul 15, 2019Observed: 20.83 ft at 6:45PM Jul 15, 2019Observed: 20.83 ft at 7:00PM Jul 15, 2019Observed: 20.83 ft at 7:15PM Jul 15, 2019Observed: 20.83 ft at 7:30PM Jul 15, 2019Observed: 20.82 ft at 7:45PM Jul 15, 2019Observed: 20.82 ft at 8:00PM Jul 15, 2019Observed: 20.82 ft at 8:15PM Jul 15, 2019Observed: 20.83 ft at 8:30PM Jul 15, 2019Observed: 20.83 ft at 8:45PM Jul 15, 2019Observed: 20.84 ft at 9:00PM Jul 15, 2019Observed: 20.84 ft at 9:15PM Jul 15, 2019Observed: 20.82 ft at 9:30PM Jul 15, 2019Observed: 20.81 ft at 9:45PM Jul 15, 2019Observed: 20.83 ft at 10:00PM Jul 15, 2019Observed: 20.84 ft at 10:15PM Jul 15, 2019Observed: 20.83 ft at 10:30PM Jul 15, 2019Observed: 20.83 ft at 10:45PM Jul 15, 2019Observed: 20.83 ft at 11:00PM Jul 15, 2019Observed: 20.85 ft at 11:15PM Jul 15, 2019Observed: 20.84 ft at 11:30PM Jul 15, 2019Observed: 20.83 ft at 11:45PM Jul 15, 2019Observed: 20.84 ft at 12:00AM Jul 16, 2019Observed: 20.84 ft at 12:15AM Jul 16, 2019Observed: 20.84 ft at 12:30AM Jul 16, 2019Observed: 20.83 ft at 12:45AM Jul 16, 2019Observed: 20.84 ft at 1:00AM Jul 16, 2019Observed: 20.82 ft at 1:15AM Jul 16, 2019Observed: 20.83 ft at 1:30AM Jul 16, 2019Observed: 20.83 ft at 1:45AM Jul 16, 2019Observed: 20.83 ft at 2:00AM Jul 16, 2019Observed: 20.83 ft at 2:15AM Jul 16, 2019Observed: 20.82 ft at 2:30AM Jul 16, 2019Observed: 20.82 ft at 2:45AM Jul 16, 2019Observed: 20.83 ft at 3:00AM Jul 16, 2019Observed: 20.83 ft at 3:15AM Jul 16, 2019Observed: 20.83 ft at 3:30AM Jul 16, 2019Observed: 20.82 ft at 3:45AM Jul 16, 2019Observed: 20.81 ft at 4:00AM Jul 16, 2019Observed: 20.83 ft at 4:15AM Jul 16, 2019Observed: 20.82 ft at 4:30AM Jul 16, 2019Observed: 20.82 ft at 4:45AM Jul 16, 2019Observed: 20.83 ft at 5:00AM Jul 16, 2019Observed: 20.8 ft at 5:15AM Jul 16, 2019Observed: 20.8 ft at 5:30AM Jul 16, 2019Observed: 20.82 ft at 5:45AM Jul 16, 2019Observed: 20.78 ft at 6:00AM Jul 16, 2019Observed: 20.81 ft at 6:15AM Jul 16, 2019Observed: 20.8 ft at 6:30AM Jul 16, 2019Observed: 20.79 ft at 6:45AM Jul 16, 2019Observed: 20.78 ft at 7:00AM Jul 16, 2019Observed: 20.79 ft at 7:15AM Jul 16, 2019Observed: 20.78 ft at 7:30AM Jul 16, 2019Observed: 20.8 ft at 7:45AM Jul 16, 2019Observed: 20.79 ft at 8:00AM Jul 16, 2019Observed: 20.79 ft at 8:15AM Jul 16, 2019Observed: 20.76 ft at 8:30AM Jul 16, 2019Observed: 20.77 ft at 8:45AM Jul 16, 2019Observed: 20.76 ft at 9:00AM Jul 16, 2019Observed: 20.76 ft at 9:15AM Jul 16, 2019Observed: 20.75 ft at 9:30AM Jul 16, 2019Observed: 20.75 ft at 9:45AM Jul 16, 2019Observed: 20.76 ft at 10:00AM Jul 16, 2019Observed: 20.76 ft at 10:15AM Jul 16, 2019Observed: 20.77 ft at 10:30AM Jul 16, 2019Observed: 20.76 ft at 10:45AM Jul 16, 2019Observed: 20.74 ft at 11:00AM Jul 16, 2019Observed: 20.75 ft at 11:15AM Jul 16, 2019Observed: 20.74 ft at 11:30AM Jul 16, 2019Observed: 20.72 ft at 11:45AM Jul 16, 2019Observed: 20.75 ft at 12:00PM Jul 16, 2019Observed: 20.73 ft at 12:15PM Jul 16, 2019Observed: 20.73 ft at 12:30PM Jul 16, 2019Observed: 20.76 ft at 12:45PM Jul 16, 2019Observed: 20.72 ft at 1:00PM Jul 16, 2019Observed: 20.73 ft at 1:15PM Jul 16, 2019Observed: 20.72 ft at 1:30PM Jul 16, 2019Observed: 20.73 ft at 1:45PM Jul 16, 2019Observed: 20.74 ft at 2:00PM Jul 16, 2019Observed: 20.74 ft at 2:01PM Jul 16, 2019Observed: 20.71 ft at 2:15PM Jul 16, 2019Observed: 20.71 ft at 2:16PM Jul 16, 2019Observed: 20.75 ft at 2:30PM Jul 16, 2019Observed: 20.75 ft at 2:31PM Jul 16, 2019Observed: 20.73 ft at 2:45PM Jul 16, 2019Observed: 20.71 ft at 3:00PM Jul 16, 2019Observed: 20.74 ft at 3:15PM Jul 16, 2019Observed: 20.7 ft at 3:30PM Jul 16, 2019Observed: 20.73 ft at 3:45PM Jul 16, 2019Observed: 20.72 ft at 4:00PM Jul 16, 2019Observed: 20.72 ft at 4:15PM Jul 16, 2019Observed: 20.72 ft at 4:30PM Jul 16, 2019Observed: 20.73 ft at 4:45PM Jul 16, 2019Observed: 20.72 ft at 5:00PM Jul 16, 2019Observed: 20.72 ft at 5:15PM Jul 16, 2019Observed: 20.67 ft at 5:30PM Jul 16, 2019Observed: 20.7 ft at 5:45PM Jul 16, 2019Observed: 20.7 ft at 6:00PM Jul 16, 2019Observed: 20.69 ft at 6:15PM Jul 16, 2019Observed: 20.7 ft at 6:30PM Jul 16, 2019Observed: 20.69 ft at 6:45PM Jul 16, 2019Observed: 20.71 ft at 7:00PM Jul 16, 2019Observed: 20.71 ft at 7:15PM Jul 16, 2019Observed: 20.69 ft at 7:30PM Jul 16, 2019Observed: 20.68 ft at 7:45PM Jul 16, 2019Observed: 20.69 ft at 8:00PM Jul 16, 2019Observed: 20.67 ft at 8:15PM Jul 16, 2019Observed: 20.67 ft at 8:30PM Jul 16, 2019Observed: 20.7 ft at 8:45PM Jul 16, 2019Observed: 20.7 ft at 9:00PM Jul 16, 2019Observed: 20.69 ft at 9:15PM Jul 16, 2019Observed: 20.69 ft at 9:30PM Jul 16, 2019Observed: 20.68 ft at 9:45PM Jul 16, 2019Observed: 20.69 ft at 10:00PM Jul 16, 2019Observed: 20.69 ft at 10:01PM Jul 16, 2019Observed: 20.69 ft at 10:15PM Jul 16, 2019Observed: 20.69 ft at 10:16PM Jul 16, 2019Observed: 20.67 ft at 10:30PM Jul 16, 2019Observed: 20.67 ft at 10:31PM Jul 16, 2019Observed: 20.7 ft at 10:45PM Jul 16, 2019Observed: 20.7 ft at 11:00PM Jul 16, 2019Observed: 20.7 ft at 11:15PM Jul 16, 2019Observed: 20.69 ft at 11:30PM Jul 16, 2019Observed: 20.67 ft at 11:45PM Jul 16, 2019Observed: 20.68 ft at 12:00AM Jul 17, 2019Observed: 20.67 ft at 12:15AM Jul 17, 2019Observed: 20.68 ft at 12:30AM Jul 17, 2019Forecast: 20.8 ft 7:00AM Jul 17, 2019Forecast: 20.8 ft 1:00PM Jul 17, 2019Forecast: 20.8 ft 7:00PM Jul 17, 2019Forecast: 20.8 ft 1:00AM Jul 18, 2019Forecast: 20.8 ft 7:00AM Jul 18, 2019Forecast: 20.9 ft 1:00PM Jul 18, 2019Forecast: 21 ft 7:00PM Jul 18, 2019Forecast: 21 ft 1:00AM Jul 19, 2019Forecast: 21 ft 7:00AM Jul 19, 2019Forecast: 21.1 ft 1:00PM Jul 19, 2019Forecast: 21.1 ft 7:00PM Jul 19, 2019Forecast: 21.1 ft 1:00AM Jul 20, 2019Forecast: 21.1 ft 7:00AM Jul 20, 2019Highest Forecast: 21.2 ft 1:00PM Jul 20, 2019Highest Forecast: 21.2 ft 7:00PM Jul 20, 2019Highest Forecast: 21.2 ft 1:00AM Jul 21, 2019Highest Forecast: 21.2 ft 7:00AM Jul 21, 2019Highest Forecast: 21.2 ft 1:00PM Jul 21, 2019Forecast: 21.1 ft 7:00PM Jul 21, 2019USGS--Water Resources of the United StatesHWDI4(plotting HGIRG) Graph Created (2:03AM Jul 17, 2019)ObservedForecast (issued 7:22PM Jul 16)Latest observed value: 20.68 ft at 12:30 AM CDT 17-Jul-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.
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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: 4-Mar-2019 11:29 PM
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