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Hydrograph River at a Glance Download
Black Hawk Creek (Northeast IA) at Hudson Stage (ft)Flow (cfs)Observed: 6.43 ft at 7:45PM Jul 16, 2018Observed: 6.43 ft at 8:00PM Jul 16, 2018Observed: 6.43 ft at 8:15PM Jul 16, 2018Observed: 6.41 ft at 8:30PM Jul 16, 2018Observed: 6.42 ft at 8:45PM Jul 16, 2018Observed: 6.42 ft at 9:00PM Jul 16, 2018Observed: 6.42 ft at 9:15PM Jul 16, 2018Observed: 6.41 ft at 9:30PM Jul 16, 2018Observed: 6.41 ft at 9:45PM Jul 16, 2018Observed: 6.41 ft at 10:00PM Jul 16, 2018Observed: 6.41 ft at 10:15PM Jul 16, 2018Observed: 6.4 ft at 10:30PM Jul 16, 2018Observed: 6.4 ft at 10:45PM Jul 16, 2018Observed: 6.4 ft at 11:00PM Jul 16, 2018Observed: 6.4 ft at 11:15PM Jul 16, 2018Observed: 6.39 ft at 11:30PM Jul 16, 2018Observed: 6.4 ft at 11:45PM Jul 16, 2018Observed: 6.39 ft at 12:00AM Jul 17, 2018Observed: 6.39 ft at 12:15AM Jul 17, 2018Observed: 6.39 ft at 12:30AM Jul 17, 2018Observed: 6.39 ft at 12:45AM Jul 17, 2018Observed: 6.39 ft at 1:00AM Jul 17, 2018Observed: 6.38 ft at 1:15AM Jul 17, 2018Observed: 6.38 ft at 1:30AM Jul 17, 2018Observed: 6.37 ft at 1:45AM Jul 17, 2018Observed: 6.37 ft at 2:00AM Jul 17, 2018Observed: 6.38 ft at 2:15AM Jul 17, 2018Observed: 6.38 ft at 2:30AM Jul 17, 2018Observed: 6.37 ft at 2:45AM Jul 17, 2018Observed: 6.38 ft at 3:00AM Jul 17, 2018Observed: 6.37 ft at 3:15AM Jul 17, 2018Observed: 6.38 ft at 3:30AM Jul 17, 2018Observed: 6.36 ft at 3:45AM Jul 17, 2018Observed: 6.37 ft at 4:00AM Jul 17, 2018Observed: 6.36 ft at 4:15AM Jul 17, 2018Observed: 6.37 ft at 4:30AM Jul 17, 2018Observed: 6.37 ft at 4:45AM Jul 17, 2018Observed: 6.37 ft at 5:00AM Jul 17, 2018Observed: 6.37 ft at 5:15AM Jul 17, 2018Observed: 6.37 ft at 5:30AM Jul 17, 2018Observed: 6.35 ft at 5:45AM Jul 17, 2018Observed: 6.35 ft at 6:00AM Jul 17, 2018Observed: 6.36 ft at 6:15AM Jul 17, 2018Observed: 6.37 ft at 6:30AM Jul 17, 2018Observed: 6.37 ft at 6:45AM Jul 17, 2018Observed: 6.36 ft at 7:00AM Jul 17, 2018Observed: 6.36 ft at 7:15AM Jul 17, 2018Observed: 6.36 ft at 7:30AM Jul 17, 2018Observed: 6.36 ft at 7:45AM Jul 17, 2018Observed: 6.36 ft at 8:00AM Jul 17, 2018Observed: 6.36 ft at 8:15AM Jul 17, 2018Observed: 6.37 ft at 8:30AM Jul 17, 2018Observed: 6.37 ft at 8:45AM Jul 17, 2018Observed: 6.36 ft at 9:00AM Jul 17, 2018Observed: 6.36 ft at 9:15AM Jul 17, 2018Observed: 6.35 ft at 9:30AM Jul 17, 2018Observed: 6.36 ft at 9:45AM Jul 17, 2018Observed: 6.35 ft at 10:00AM Jul 17, 2018Observed: 6.35 ft at 10:15AM Jul 17, 2018Observed: 6.35 ft at 10:30AM Jul 17, 2018Observed: 6.35 ft at 10:45AM Jul 17, 2018Observed: 6.35 ft at 11:00AM Jul 17, 2018Observed: 6.34 ft at 11:15AM Jul 17, 2018Observed: 6.34 ft at 11:30AM Jul 17, 2018Observed: 6.34 ft at 11:45AM Jul 17, 2018Observed: 6.33 ft at 12:00PM Jul 17, 2018Observed: 6.34 ft at 12:15PM Jul 17, 2018Observed: 6.34 ft at 12:30PM Jul 17, 2018Observed: 6.34 ft at 12:45PM Jul 17, 2018Observed: 6.34 ft at 1:00PM Jul 17, 2018Observed: 6.34 ft at 1:15PM Jul 17, 2018Observed: 6.33 ft at 1:30PM Jul 17, 2018Observed: 6.36 ft at 1:45PM Jul 17, 2018Observed: 6.33 ft at 2:00PM Jul 17, 2018Observed: 6.33 ft at 2:15PM Jul 17, 2018Observed: 6.34 ft at 2:30PM Jul 17, 2018Observed: 6.32 ft at 2:45PM Jul 17, 2018Observed: 6.33 ft at 3:00PM Jul 17, 2018Observed: 6.32 ft at 3:15PM Jul 17, 2018Observed: 6.33 ft at 3:30PM Jul 17, 2018Observed: 6.32 ft at 3:45PM Jul 17, 2018Observed: 6.32 ft at 4:00PM Jul 17, 2018Observed: 6.32 ft at 4:15PM Jul 17, 2018Observed: 6.33 ft at 4:30PM Jul 17, 2018Observed: 6.31 ft at 4:45PM Jul 17, 2018Observed: 6.33 ft at 5:00PM Jul 17, 2018Observed: 6.33 ft at 5:15PM Jul 17, 2018Observed: 6.32 ft at 5:30PM Jul 17, 2018Observed: 6.32 ft at 5:45PM Jul 17, 2018Observed: 6.32 ft at 6:00PM Jul 17, 2018Observed: 6.32 ft at 6:15PM Jul 17, 2018Observed: 6.32 ft at 6:30PM Jul 17, 2018Observed: 6.31 ft at 6:45PM Jul 17, 2018Observed: 6.31 ft at 7:00PM Jul 17, 2018Observed: 6.31 ft at 7:15PM Jul 17, 2018Observed: 6.3 ft at 7:30PM Jul 17, 2018Observed: 6.32 ft at 7:45PM Jul 17, 2018Observed: 6.3 ft at 8:00PM Jul 17, 2018Observed: 6.3 ft at 8:15PM Jul 17, 2018Observed: 6.3 ft at 8:30PM Jul 17, 2018Observed: 6.29 ft at 8:45PM Jul 17, 2018Observed: 6.29 ft at 9:00PM Jul 17, 2018Observed: 6.3 ft at 9:15PM Jul 17, 2018Observed: 6.29 ft at 9:30PM Jul 17, 2018Observed: 6.29 ft at 9:45PM Jul 17, 2018Observed: 6.3 ft at 10:00PM Jul 17, 2018Observed: 6.29 ft at 10:15PM Jul 17, 2018Observed: 6.28 ft at 10:30PM Jul 17, 2018Observed: 6.28 ft at 10:45PM Jul 17, 2018Observed: 6.28 ft at 11:00PM Jul 17, 2018Observed: 6.29 ft at 11:15PM Jul 17, 2018Observed: 6.28 ft at 11:30PM Jul 17, 2018Observed: 6.27 ft at 11:45PM Jul 17, 2018Observed: 6.27 ft at 12:00AM Jul 18, 2018Observed: 6.28 ft at 12:15AM Jul 18, 2018Observed: 6.27 ft at 12:30AM Jul 18, 2018Observed: 6.27 ft at 12:45AM Jul 18, 2018Observed: 6.27 ft at 1:00AM Jul 18, 2018Observed: 6.26 ft at 1:15AM Jul 18, 2018Observed: 6.26 ft at 1:30AM Jul 18, 2018Observed: 6.26 ft at 1:45AM Jul 18, 2018Observed: 6.27 ft at 2:00AM Jul 18, 2018Observed: 6.26 ft at 2:15AM Jul 18, 2018Observed: 6.25 ft at 2:30AM Jul 18, 2018Observed: 6.26 ft at 2:45AM Jul 18, 2018Observed: 6.26 ft at 3:00AM Jul 18, 2018Observed: 6.26 ft at 3:15AM Jul 18, 2018Observed: 6.26 ft at 3:30AM Jul 18, 2018Observed: 6.26 ft at 3:45AM Jul 18, 2018Observed: 6.25 ft at 4:00AM Jul 18, 2018Observed: 6.24 ft at 4:15AM Jul 18, 2018Observed: 6.26 ft at 4:30AM Jul 18, 2018Observed: 6.25 ft at 4:45AM Jul 18, 2018Observed: 6.23 ft at 5:00AM Jul 18, 2018Observed: 6.24 ft at 5:15AM Jul 18, 2018Observed: 6.25 ft at 5:30AM Jul 18, 2018Observed: 6.25 ft at 5:45AM Jul 18, 2018Observed: 6.25 ft at 6:00AM Jul 18, 2018Observed: 6.24 ft at 6:15AM Jul 18, 2018Observed: 6.26 ft at 6:30AM Jul 18, 2018Observed: 6.24 ft at 6:45AM Jul 18, 2018Observed: 6.24 ft at 7:00AM Jul 18, 2018Observed: 6.24 ft at 7:15AM Jul 18, 2018Observed: 6.24 ft at 7:30AM Jul 18, 2018Observed: 6.24 ft at 7:45AM Jul 18, 2018Observed: 6.24 ft at 8:00AM Jul 18, 2018Observed: 6.24 ft at 8:15AM Jul 18, 2018Observed: 6.25 ft at 8:30AM Jul 18, 2018Observed: 6.24 ft at 8:45AM Jul 18, 2018Observed: 6.24 ft at 9:00AM Jul 18, 2018Observed: 6.27 ft at 9:15AM Jul 18, 2018Observed: 6.25 ft at 9:30AM Jul 18, 2018Observed: 6.23 ft at 9:45AM Jul 18, 2018Observed: 6.23 ft at 10:00AM Jul 18, 2018Observed: 6.26 ft at 10:15AM Jul 18, 2018Observed: 6.24 ft at 10:30AM Jul 18, 2018Observed: 6.24 ft at 10:45AM Jul 18, 2018Observed: 6.23 ft at 11:00AM Jul 18, 2018Observed: 6.23 ft at 11:15AM Jul 18, 2018Observed: 6.23 ft at 11:30AM Jul 18, 2018Observed: 6.22 ft at 11:45AM Jul 18, 2018Observed: 6.24 ft at 12:00PM Jul 18, 2018Observed: 6.22 ft at 12:15PM Jul 18, 2018Observed: 6.23 ft at 12:30PM Jul 18, 2018Observed: 6.22 ft at 12:45PM Jul 18, 2018Observed: 6.21 ft at 1:00PM Jul 18, 2018Observed: 6.23 ft at 1:15PM Jul 18, 2018Observed: 6.21 ft at 1:30PM Jul 18, 2018Observed: 6.22 ft at 1:45PM Jul 18, 2018Observed: 6.22 ft at 2:00PM Jul 18, 2018Observed: 6.22 ft at 2:15PM Jul 18, 2018Observed: 6.21 ft at 2:30PM Jul 18, 2018Observed: 6.21 ft at 2:45PM Jul 18, 2018Observed: 6.22 ft at 3:00PM Jul 18, 2018Observed: 6.21 ft at 3:15PM Jul 18, 2018Observed: 6.2 ft at 3:30PM Jul 18, 2018Observed: 6.21 ft at 3:45PM Jul 18, 2018Observed: 6.21 ft at 4:00PM Jul 18, 2018Observed: 6.19 ft at 4:15PM Jul 18, 2018Observed: 6.2 ft at 4:30PM Jul 18, 2018Observed: 6.2 ft at 4:45PM Jul 18, 2018Observed: 6.2 ft at 5:00PM Jul 18, 2018Observed: 6.2 ft at 5:15PM Jul 18, 2018Observed: 6.19 ft at 5:30PM Jul 18, 2018Observed: 6.19 ft at 5:45PM Jul 18, 2018Observed: 6.2 ft at 6:00PM Jul 18, 2018Observed: 6.19 ft at 6:15PM Jul 18, 2018Observed: 6.19 ft at 6:30PM Jul 18, 2018Observed: 6.18 ft at 6:45PM Jul 18, 2018Observed: 6.18 ft at 7:00PM Jul 18, 2018Observed: 6.19 ft at 7:15PM Jul 18, 2018Observed: 6.17 ft at 7:30PM Jul 18, 2018Observed: 6.18 ft at 7:45PM Jul 18, 2018Observed: 6.18 ft at 8:00PM Jul 18, 2018Observed: 6.18 ft at 8:15PM Jul 18, 2018Observed: 6.17 ft at 8:30PM Jul 18, 2018Observed: 6.18 ft at 8:45PM Jul 18, 2018Observed: 6.17 ft at 9:00PM Jul 18, 2018Observed: 6.17 ft at 9:15PM Jul 18, 2018Observed: 6.17 ft at 9:30PM Jul 18, 2018Observed: 6.17 ft at 9:45PM Jul 18, 2018Observed: 6.17 ft at 10:00PM Jul 18, 2018Observed: 6.17 ft at 10:15PM Jul 18, 2018Observed: 6.16 ft at 10:30PM Jul 18, 2018Observed: 6.17 ft at 10:45PM Jul 18, 2018Observed: 6.17 ft at 11:00PM Jul 18, 2018Observed: 6.17 ft at 11:15PM Jul 18, 2018Observed: 6.16 ft at 11:30PM Jul 18, 2018Observed: 6.16 ft at 11:45PM Jul 18, 2018Observed: 6.16 ft at 12:00AM Jul 19, 2018Observed: 6.16 ft at 12:15AM Jul 19, 2018Observed: 6.14 ft at 12:30AM Jul 19, 2018Observed: 6.16 ft at 12:45AM Jul 19, 2018Observed: 6.15 ft at 1:00AM Jul 19, 2018Observed: 6.13 ft at 1:15AM Jul 19, 2018Observed: 6.15 ft at 1:30AM Jul 19, 2018Observed: 6.15 ft at 1:45AM Jul 19, 2018Observed: 6.13 ft at 2:00AM Jul 19, 2018Observed: 6.13 ft at 2:15AM Jul 19, 2018Observed: 6.13 ft at 2:30AM Jul 19, 2018Observed: 6.12 ft at 2:45AM Jul 19, 2018Observed: 6.13 ft at 3:00AM Jul 19, 2018Observed: 6.13 ft at 3:15AM Jul 19, 2018Observed: 6.13 ft at 3:30AM Jul 19, 2018Observed: 6.14 ft at 3:45AM Jul 19, 2018Observed: 6.12 ft at 4:00AM Jul 19, 2018Observed: 6.13 ft at 4:15AM Jul 19, 2018Observed: 6.11 ft at 4:30AM Jul 19, 2018Observed: 6.11 ft at 4:45AM Jul 19, 2018Observed: 6.11 ft at 5:00AM Jul 19, 2018Observed: 6.13 ft at 5:15AM Jul 19, 2018Observed: 6.13 ft at 5:30AM Jul 19, 2018Observed: 6.12 ft at 5:45AM Jul 19, 2018Observed: 6.12 ft at 6:00AM Jul 19, 2018Observed: 6.14 ft at 6:15AM Jul 19, 2018Observed: 6.12 ft at 6:30AM Jul 19, 2018Observed: 6.12 ft at 6:45AM Jul 19, 2018Observed: 6.12 ft at 7:00AM Jul 19, 2018Observed: 6.12 ft at 7:15AM Jul 19, 2018Observed: 6.13 ft at 7:30AM Jul 19, 2018Observed: 6.13 ft at 7:45AM Jul 19, 2018Observed: 6.13 ft at 8:00AM Jul 19, 2018Observed: 6.11 ft at 8:15AM Jul 19, 2018Observed: 6.12 ft at 8:30AM Jul 19, 2018Observed: 6.12 ft at 8:45AM Jul 19, 2018Observed: 6.14 ft at 9:00AM Jul 19, 2018Observed: 6.13 ft at 9:15AM Jul 19, 2018Observed: 6.13 ft at 9:30AM Jul 19, 2018Observed: 6.15 ft at 9:45AM Jul 19, 2018Observed: 6.15 ft at 10:00AM Jul 19, 2018Observed: 6.15 ft at 10:15AM Jul 19, 2018Observed: 6.15 ft at 10:30AM Jul 19, 2018Observed: 6.16 ft at 10:45AM Jul 19, 2018Observed: 6.13 ft at 11:00AM Jul 19, 2018Observed: 6.14 ft at 11:15AM Jul 19, 2018Observed: 6.13 ft at 11:30AM Jul 19, 2018Observed: 6.15 ft at 11:45AM Jul 19, 2018Observed: 6.14 ft at 12:00PM Jul 19, 2018Observed: 6.14 ft at 12:15PM Jul 19, 2018Observed: 6.16 ft at 12:30PM Jul 19, 2018Observed: 6.13 ft at 12:45PM Jul 19, 2018Observed: 6.13 ft at 1:00PM Jul 19, 2018Observed: 6.14 ft at 1:15PM Jul 19, 2018Observed: 6.14 ft at 1:30PM Jul 19, 2018Observed: 6.15 ft at 1:45PM Jul 19, 2018Observed: 6.15 ft at 2:00PM Jul 19, 2018Observed: 6.14 ft at 2:15PM Jul 19, 2018Observed: 6.14 ft at 2:30PM Jul 19, 2018Observed: 6.14 ft at 2:45PM Jul 19, 2018Observed: 6.15 ft at 3:00PM Jul 19, 2018Observed: 6.15 ft at 3:15PM Jul 19, 2018Observed: 6.14 ft at 3:30PM Jul 19, 2018Observed: 6.13 ft at 3:45PM Jul 19, 2018Observed: 6.13 ft at 4:00PM Jul 19, 2018Observed: 6.13 ft at 4:15PM Jul 19, 2018Observed: 6.14 ft at 4:30PM Jul 19, 2018Observed: 6.16 ft at 4:45PM Jul 19, 2018Observed: 6.15 ft at 5:00PM Jul 19, 2018Observed: 6.19 ft at 5:15PM Jul 19, 2018Observed: 6.25 ft at 5:30PM Jul 19, 2018Observed: 6.32 ft at 5:45PM Jul 19, 2018Observed: 6.32 ft at 6:00PM Jul 19, 2018Observed: 6.35 ft at 6:15PM Jul 19, 2018Observed: 6.33 ft at 6:30PM Jul 19, 2018Observed: 6.32 ft at 6:45PM Jul 19, 2018Observed: 6.31 ft at 7:00PM Jul 19, 2018Observed: 6.29 ft at 7:15PM Jul 19, 2018Observed: 6.29 ft at 7:30PM Jul 19, 2018Observed: 6.27 ft at 7:45PM Jul 19, 2018Observed: 6.26 ft at 8:00PM Jul 19, 2018Observed: 6.24 ft at 8:15PM Jul 19, 2018Observed: 6.26 ft at 8:30PM Jul 19, 2018Observed: 6.26 ft at 8:45PM Jul 19, 2018Observed: 6.26 ft at 9:00PM Jul 19, 2018Observed: 6.26 ft at 9:15PM Jul 19, 2018Observed: 6.27 ft at 9:30PM Jul 19, 2018Observed: 6.25 ft at 9:45PM Jul 19, 2018Observed: 6.26 ft at 10:00PM Jul 19, 2018Observed: 6.28 ft at 10:15PM Jul 19, 2018Observed: 6.27 ft at 10:30PM Jul 19, 2018Observed: 6.3 ft at 10:45PM Jul 19, 2018Observed: 6.3 ft at 11:00PM Jul 19, 2018Observed: 6.31 ft at 11:15PM Jul 19, 2018Observed: 6.32 ft at 11:30PM Jul 19, 2018Observed: 6.32 ft at 11:45PM Jul 19, 2018Observed: 6.33 ft at 12:00AM Jul 20, 2018Observed: 6.36 ft at 12:15AM Jul 20, 2018Observed: 6.37 ft at 12:30AM Jul 20, 2018Observed: 6.38 ft at 12:45AM Jul 20, 2018Observed: 6.4 ft at 1:00AM Jul 20, 2018Observed: 6.4 ft at 1:15AM Jul 20, 2018Observed: 6.42 ft at 1:30AM Jul 20, 2018Observed: 6.45 ft at 1:45AM Jul 20, 2018Observed: 6.46 ft at 2:00AM Jul 20, 2018Observed: 6.46 ft at 2:15AM Jul 20, 2018Observed: 6.47 ft at 2:30AM Jul 20, 2018Observed: 6.51 ft at 2:45AM Jul 20, 2018Observed: 6.5 ft at 3:00AM Jul 20, 2018Observed: 6.51 ft at 3:15AM Jul 20, 2018Observed: 6.54 ft at 3:30AM Jul 20, 2018Observed: 6.55 ft at 3:45AM Jul 20, 2018Observed: 6.54 ft at 4:00AM Jul 20, 2018Observed: 6.57 ft at 4:15AM Jul 20, 2018Observed: 6.58 ft at 4:30AM Jul 20, 2018Observed: 6.58 ft at 4:45AM Jul 20, 2018Observed: 6.6 ft at 5:00AM Jul 20, 2018Observed: 6.58 ft at 5:15AM Jul 20, 2018Observed: 6.63 ft at 5:30AM Jul 20, 2018Observed: 6.6 ft at 5:45AM Jul 20, 2018Observed: 6.62 ft at 6:00AM Jul 20, 2018Observed: 6.61 ft at 6:15AM Jul 20, 2018Observed: 6.63 ft at 6:30AM Jul 20, 2018Observed: 6.63 ft at 6:45AM Jul 20, 2018Observed: 6.64 ft at 7:00AM Jul 20, 2018Observed: 6.63 ft at 7:15AM Jul 20, 2018Observed: 6.64 ft at 7:30AM Jul 20, 2018Observed: 6.64 ft at 7:45AM Jul 20, 2018Observed: 6.64 ft at 8:00AM Jul 20, 2018Observed: 6.65 ft at 8:15AM Jul 20, 2018Observed: 6.67 ft at 8:30AM Jul 20, 2018Observed: 6.66 ft at 8:45AM Jul 20, 2018Observed: 6.68 ft at 9:00AM Jul 20, 2018Observed: 6.69 ft at 9:15AM Jul 20, 2018Observed: 6.68 ft at 9:30AM Jul 20, 2018Observed: 6.69 ft at 9:45AM Jul 20, 2018Observed: 6.72 ft at 10:00AM Jul 20, 2018Observed: 6.72 ft at 10:15AM Jul 20, 2018Observed: 6.72 ft at 10:30AM Jul 20, 2018Observed: 6.69 ft at 10:45AM Jul 20, 2018Observed: 6.72 ft at 11:00AM Jul 20, 2018Observed: 6.74 ft at 11:15AM Jul 20, 2018Observed: 6.74 ft at 11:30AM Jul 20, 2018Observed: 6.75 ft at 11:45AM Jul 20, 2018Observed: 6.75 ft at 12:00PM Jul 20, 2018Observed: 6.75 ft at 12:15PM Jul 20, 2018Observed: 6.76 ft at 12:30PM Jul 20, 2018Observed: 6.75 ft at 12:45PM Jul 20, 2018Observed: 6.76 ft at 1:00PM Jul 20, 2018Observed: 6.79 ft at 1:15PM Jul 20, 2018Observed: 6.8 ft at 1:30PM Jul 20, 2018Observed: 6.79 ft at 1:45PM Jul 20, 2018Observed: 6.82 ft at 2:00PM Jul 20, 2018Observed: 6.82 ft at 2:15PM Jul 20, 2018Observed: 6.8 ft at 2:30PM Jul 20, 2018Observed: 6.81 ft at 2:45PM Jul 20, 2018Observed: 6.84 ft at 3:00PM Jul 20, 2018Observed: 6.82 ft at 3:15PM Jul 20, 2018Observed: 6.84 ft at 3:30PM Jul 20, 2018Observed: 6.83 ft at 3:45PM Jul 20, 2018Observed: 6.84 ft at 4:00PM Jul 20, 2018Observed: 6.86 ft at 4:15PM Jul 20, 2018Observed: 6.85 ft at 4:30PM Jul 20, 2018Observed: 6.85 ft at 4:45PM Jul 20, 2018Observed: 6.86 ft at 5:00PM Jul 20, 2018Observed: 6.87 ft at 5:15PM Jul 20, 2018Observed: 6.85 ft at 5:30PM Jul 20, 2018Observed: 6.85 ft at 5:45PM Jul 20, 2018Observed: 6.86 ft at 6:00PM Jul 20, 2018Observed: 6.87 ft at 6:15PM Jul 20, 2018Observed: 6.84 ft at 6:30PM Jul 20, 2018Observed: 6.86 ft at 6:45PM Jul 20, 2018Observed: 6.85 ft at 7:00PM Jul 20, 2018Observed: 6.86 ft at 7:15PM Jul 20, 2018Observed: 6.86 ft at 7:30PM Jul 20, 2018Highest Observation: 6.89 ft at 7:45PM Jul 20, 2018Observed: 6.88 ft at 8:00PM Jul 20, 2018Observed: 6.87 ft at 8:15PM Jul 20, 2018Observed: 6.88 ft at 8:30PM Jul 20, 2018Observed: 6.86 ft at 8:45PM Jul 20, 2018Observed: 6.87 ft at 9:00PM Jul 20, 2018Observed: 6.86 ft at 9:15PM Jul 20, 2018Observed: 6.87 ft at 9:30PM Jul 20, 2018Observed: 6.86 ft at 9:45PM Jul 20, 2018Observed: 6.86 ft at 10:00PM Jul 20, 2018Observed: 6.86 ft at 10:15PM Jul 20, 2018Observed: 6.85 ft at 10:30PM Jul 20, 2018Observed: 6.85 ft at 10:45PM Jul 20, 2018Observed: 6.85 ft at 11:00PM Jul 20, 2018Observed: 6.84 ft at 11:15PM Jul 20, 2018Observed: 6.85 ft at 11:30PM Jul 20, 2018Observed: 6.85 ft at 11:45PM Jul 20, 2018Observed: 6.85 ft at 12:00AM Jul 21, 2018Observed: 6.85 ft at 12:15AM Jul 21, 2018Observed: 6.84 ft at 12:30AM Jul 21, 2018Observed: 6.83 ft at 12:45AM Jul 21, 2018Observed: 6.83 ft at 1:00AM Jul 21, 2018Observed: 6.82 ft at 1:15AM Jul 21, 2018Observed: 6.81 ft at 1:30AM Jul 21, 2018Observed: 6.81 ft at 1:45AM Jul 21, 2018Observed: 6.82 ft at 2:00AM Jul 21, 2018Observed: 6.81 ft at 2:15AM Jul 21, 2018Observed: 6.82 ft at 2:30AM Jul 21, 2018Observed: 6.85 ft at 2:45AM Jul 21, 2018Observed: 6.79 ft at 3:00AM Jul 21, 2018Observed: 6.8 ft at 3:15AM Jul 21, 2018Observed: 6.79 ft at 3:30AM Jul 21, 2018Observed: 6.78 ft at 3:45AM Jul 21, 2018Observed: 6.79 ft at 4:00AM Jul 21, 2018Observed: 6.77 ft at 4:15AM Jul 21, 2018Observed: 6.76 ft at 4:30AM Jul 21, 2018Observed: 6.77 ft at 4:45AM Jul 21, 2018Observed: 6.75 ft at 5:00AM Jul 21, 2018Observed: 6.76 ft at 5:15AM Jul 21, 2018Observed: 6.75 ft at 5:30AM Jul 21, 2018Observed: 6.77 ft at 5:45AM Jul 21, 2018Observed: 6.76 ft at 6:00AM Jul 21, 2018Observed: 6.74 ft at 6:15AM Jul 21, 2018Observed: 6.73 ft at 6:30AM Jul 21, 2018Observed: 6.73 ft at 6:45AM Jul 21, 2018Observed: 6.74 ft at 7:00AM Jul 21, 2018Observed: 6.74 ft at 7:15AM Jul 21, 2018Observed: 6.72 ft at 7:30AM Jul 21, 2018Observed: 6.73 ft at 7:45AM Jul 21, 2018Observed: 6.74 ft at 8:00AM Jul 21, 2018Observed: 6.72 ft at 8:15AM Jul 21, 2018Observed: 6.71 ft at 8:30AM Jul 21, 2018Observed: 6.71 ft at 8:45AM Jul 21, 2018Observed: 6.7 ft at 9:00AM Jul 21, 2018Observed: 6.7 ft at 9:15AM Jul 21, 2018Observed: 6.69 ft at 9:30AM Jul 21, 2018Observed: 6.69 ft at 9:45AM Jul 21, 2018Observed: 6.68 ft at 10:00AM Jul 21, 2018Observed: 6.69 ft at 10:15AM Jul 21, 2018Observed: 6.68 ft at 10:30AM Jul 21, 2018Observed: 6.67 ft at 10:45AM Jul 21, 2018Observed: 6.68 ft at 11:00AM Jul 21, 2018Observed: 6.66 ft at 11:15AM Jul 21, 2018Observed: 6.66 ft at 11:30AM Jul 21, 2018Observed: 6.64 ft at 11:45AM Jul 21, 2018Observed: 6.63 ft at 12:00PM Jul 21, 2018Observed: 6.65 ft at 12:15PM Jul 21, 2018Observed: 6.64 ft at 12:30PM Jul 21, 2018Observed: 6.65 ft at 12:45PM Jul 21, 2018Observed: 6.64 ft at 1:00PM Jul 21, 2018Observed: 6.64 ft at 1:15PM Jul 21, 2018Observed: 6.62 ft at 1:30PM Jul 21, 2018Observed: 6.62 ft at 1:45PM Jul 21, 2018Observed: 6.62 ft at 2:00PM Jul 21, 2018Observed: 6.62 ft at 2:15PM Jul 21, 2018Observed: 6.6 ft at 2:30PM Jul 21, 2018Observed: 6.6 ft at 2:45PM Jul 21, 2018Observed: 6.59 ft at 3:00PM Jul 21, 2018Observed: 6.61 ft at 3:15PM Jul 21, 2018Observed: 6.58 ft at 3:30PM Jul 21, 2018Observed: 6.6 ft at 3:45PM Jul 21, 2018Observed: 6.58 ft at 4:00PM Jul 21, 2018Observed: 6.59 ft at 4:15PM Jul 21, 2018Observed: 6.56 ft at 4:30PM Jul 21, 2018Observed: 6.58 ft at 4:45PM Jul 21, 2018Observed: 6.57 ft at 5:00PM Jul 21, 2018Observed: 6.56 ft at 5:15PM Jul 21, 2018Observed: 6.56 ft at 5:30PM Jul 21, 2018Observed: 6.55 ft at 5:45PM Jul 21, 2018Observed: 6.55 ft at 6:00PM Jul 21, 2018Observed: 6.55 ft at 6:15PM Jul 21, 2018Observed: 6.55 ft at 6:30PM Jul 21, 2018Observed: 6.54 ft at 6:45PM Jul 21, 2018USGS--Water Resources of the United StatesHUDI4(plotting HGIRG) Graph Created (7:32PM Jul 21, 2018)ObservedLatest observed value: 6.54 ft at 6:45 PM CDT 21-Jul-2018. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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 Black Hawk Creek (Northeast IA) at Hudson are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Gauge - at Waterloo
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 15
Flood Stage: 14
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 19.03 ft on 04/25/2008
(2) 18.96 ft on 05/30/2013
(3) 18.50 ft on 07/01/2014
(4) 18.23 ft on 07/09/1969
(5) 17.47 ft on 06/13/2008
(6) 17.45 ft on 06/09/2008
(7) 17.32 ft on 06/17/1990
(8) 17.30 ft on 06/03/1947
(9) 17.18 ft on 05/27/2013
(10) 16.94 ft on 07/09/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.51 ft on 09/25/2016
(2) 14.65 ft on 06/12/2016
(3) 11.52 ft on 06/05/2016
(4) 14.12 ft on 02/21/2016
(5) 16.82 ft on 12/15/2015
(6) 14.92 ft on 08/30/2015
(7) 13.24 ft on 06/24/2015
(8) 18.50 ft on 07/01/2014
(9) 16.26 ft on 06/21/2014
(10) 12.01 ft on 06/26/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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

Zoom Level:14
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
23.4 Water reaches the bottom of the Iowa Hwy 58 bridge.
20 This is the top of the sewage disposal levees at Hudson.
19 This is the top of the levee at Waterloo.
18.8 The Falls Avenue bridge in Waterloo floods.
18 Water affects Hudson.
15.5 Ranchero Road in Waterloo is under water.
15 Water affects Iowa Highway 58. Fletcher Avenue in Waterloo is flooded.
14.5 Portions of Ranchero Road west of US 63 are flooded.
14 Water affects Watters Road. Some residential evacuations may be needed. Ridgeway Avenue at US 63 in Waterloo is flooded.
12 Storm sewers in Waterloo back up.
10 A few thousand acres of agricultural land west of Hudson are under water.
About This Location Collapse

Latitude: 42.407764° N, Longitude: 92.463245° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 865.03 ft 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
  • USGS 7-Day Streamflow Duration Hydrograph for this location:
    Duration Hydrograph

    Duration Hydrograph Legend


  • USGS Cumulative Streamflow Hydrograph for this location:
    Duration Hydrograph of Cumulative Streamflow
Resources Collapse
Hydrologic Resources Additional Resources
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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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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Page last modified: 21-Dec-2016 10:37 PM
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