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Hydrograph River at a Glance Download
Rock River at Byron Stage (ft)Flow (kcfs)Observed: 7.43 ft at 6:15PM Jan 27, 2023Observed: 7.42 ft at 6:30PM Jan 27, 2023Observed: 7.43 ft at 6:45PM Jan 27, 2023Observed: 7.43 ft at 7:00PM Jan 27, 2023Observed: 7.42 ft at 7:15PM Jan 27, 2023Observed: 7.42 ft at 7:30PM Jan 27, 2023Observed: 7.44 ft at 7:45PM Jan 27, 2023Observed: 7.42 ft at 8:00PM Jan 27, 2023Observed: 7.42 ft at 8:15PM Jan 27, 2023Observed: 7.41 ft at 8:30PM Jan 27, 2023Observed: 7.41 ft at 8:45PM Jan 27, 2023Observed: 7.41 ft at 9:00PM Jan 27, 2023Observed: 7.42 ft at 9:15PM Jan 27, 2023Observed: 7.4 ft at 9:30PM Jan 27, 2023Observed: 7.41 ft at 9:45PM Jan 27, 2023Observed: 7.41 ft at 10:00PM Jan 27, 2023Observed: 7.41 ft at 10:15PM Jan 27, 2023Observed: 7.41 ft at 10:30PM Jan 27, 2023Observed: 7.41 ft at 10:45PM Jan 27, 2023Observed: 7.4 ft at 11:00PM Jan 27, 2023Observed: 7.4 ft at 11:15PM Jan 27, 2023Observed: 7.4 ft at 11:30PM Jan 27, 2023Observed: 7.4 ft at 11:45PM Jan 27, 2023Observed: 7.4 ft at 12:00AM Jan 28, 2023Observed: 7.4 ft at 12:15AM Jan 28, 2023Observed: 7.4 ft at 12:30AM Jan 28, 2023Observed: 7.4 ft at 12:45AM Jan 28, 2023Observed: 7.4 ft at 1:00AM Jan 28, 2023Observed: 7.4 ft at 1:15AM Jan 28, 2023Observed: 7.4 ft at 1:30AM Jan 28, 2023Observed: 7.39 ft at 1:45AM Jan 28, 2023Observed: 7.4 ft at 2:00AM Jan 28, 2023Observed: 7.4 ft at 2:15AM Jan 28, 2023Observed: 7.39 ft at 2:30AM Jan 28, 2023Observed: 7.39 ft at 2:45AM Jan 28, 2023Observed: 7.39 ft at 3:00AM Jan 28, 2023Observed: 7.39 ft at 3:15AM Jan 28, 2023Observed: 7.39 ft at 3:30AM Jan 28, 2023Observed: 7.39 ft at 3:45AM Jan 28, 2023Observed: 7.38 ft at 4:00AM Jan 28, 2023Observed: 7.38 ft at 4:15AM Jan 28, 2023Observed: 7.38 ft at 4:30AM Jan 28, 2023Observed: 7.37 ft at 4:45AM Jan 28, 2023Observed: 7.37 ft at 5:00AM Jan 28, 2023Observed: 7.36 ft at 5:15AM Jan 28, 2023Observed: 7.36 ft at 5:30AM Jan 28, 2023Observed: 7.36 ft at 5:45AM Jan 28, 2023Observed: 7.36 ft at 6:00AM Jan 28, 2023Observed: 7.36 ft at 6:15AM Jan 28, 2023Observed: 7.35 ft at 6:30AM Jan 28, 2023Observed: 7.35 ft at 6:45AM Jan 28, 2023Observed: 7.35 ft at 7:00AM Jan 28, 2023Observed: 7.34 ft at 7:15AM Jan 28, 2023Observed: 7.34 ft at 7:30AM Jan 28, 2023Observed: 7.33 ft at 7:45AM Jan 28, 2023Observed: 7.33 ft at 8:00AM Jan 28, 2023Observed: 7.33 ft at 8:15AM Jan 28, 2023Observed: 7.32 ft at 8:30AM Jan 28, 2023Observed: 7.32 ft at 8:45AM Jan 28, 2023Observed: 7.32 ft at 9:00AM Jan 28, 2023Observed: 7.32 ft at 9:15AM Jan 28, 2023Observed: 7.31 ft at 9:30AM Jan 28, 2023Observed: 7.31 ft at 9:45AM Jan 28, 2023Observed: 7.31 ft at 10:00AM Jan 28, 2023Observed: 7.31 ft at 10:15AM Jan 28, 2023Observed: 7.31 ft at 10:30AM Jan 28, 2023Observed: 7.3 ft at 10:45AM Jan 28, 2023Observed: 7.3 ft at 11:00AM Jan 28, 2023Observed: 7.3 ft at 11:15AM Jan 28, 2023Observed: 7.29 ft at 11:30AM Jan 28, 2023Observed: 7.29 ft at 11:45AM Jan 28, 2023Observed: 7.3 ft at 12:00PM Jan 28, 2023Observed: 7.29 ft at 12:15PM Jan 28, 2023Observed: 7.29 ft at 12:30PM Jan 28, 2023Observed: 7.29 ft at 12:45PM Jan 28, 2023Observed: 7.29 ft at 1:00PM Jan 28, 2023Observed: 7.29 ft at 1:15PM Jan 28, 2023Observed: 7.28 ft at 1:30PM Jan 28, 2023Observed: 7.28 ft at 1:45PM Jan 28, 2023Observed: 7.28 ft at 2:00PM Jan 28, 2023Observed: 7.28 ft at 2:15PM Jan 28, 2023Observed: 7.28 ft at 2:30PM Jan 28, 2023Observed: 7.28 ft at 2:45PM Jan 28, 2023Observed: 7.27 ft at 3:00PM Jan 28, 2023Observed: 7.27 ft at 3:15PM Jan 28, 2023Observed: 7.27 ft at 3:30PM Jan 28, 2023Observed: 7.27 ft at 3:45PM Jan 28, 2023Observed: 7.27 ft at 4:00PM Jan 28, 2023Observed: 7.28 ft at 4:15PM Jan 28, 2023Observed: 7.26 ft at 4:30PM Jan 28, 2023Observed: 7.26 ft at 4:45PM Jan 28, 2023Observed: 7.27 ft at 5:00PM Jan 28, 2023Observed: 7.26 ft at 5:15PM Jan 28, 2023Observed: 7.26 ft at 5:30PM Jan 28, 2023Observed: 7.26 ft at 5:45PM Jan 28, 2023Observed: 7.26 ft at 6:00PM Jan 28, 2023Observed: 7.26 ft at 6:15PM Jan 28, 2023Observed: 7.26 ft at 6:30PM Jan 28, 2023Observed: 7.27 ft at 6:45PM Jan 28, 2023Observed: 7.26 ft at 7:00PM Jan 28, 2023Observed: 7.26 ft at 7:15PM Jan 28, 2023Observed: 7.26 ft at 7:30PM Jan 28, 2023Observed: 7.26 ft at 7:45PM Jan 28, 2023Observed: 7.26 ft at 8:00PM Jan 28, 2023Observed: 7.25 ft at 8:15PM Jan 28, 2023Observed: 7.26 ft at 8:30PM Jan 28, 2023Observed: 7.25 ft at 8:45PM Jan 28, 2023Observed: 7.25 ft at 9:00PM Jan 28, 2023Observed: 7.24 ft at 9:15PM Jan 28, 2023Observed: 7.24 ft at 9:30PM Jan 28, 2023Observed: 7.24 ft at 9:45PM Jan 28, 2023Observed: 7.23 ft at 10:00PM Jan 28, 2023Observed: 7.23 ft at 10:15PM Jan 28, 2023Observed: 7.22 ft at 10:30PM Jan 28, 2023Observed: 7.22 ft at 10:45PM Jan 28, 2023Observed: 7.22 ft at 11:00PM Jan 28, 2023Observed: 7.21 ft at 11:15PM Jan 28, 2023Observed: 7.2 ft at 11:30PM Jan 28, 2023Observed: 7.2 ft at 11:45PM Jan 28, 2023Observed: 7.2 ft at 12:00AM Jan 29, 2023Observed: 7.19 ft at 12:15AM Jan 29, 2023Observed: 7.2 ft at 12:30AM Jan 29, 2023Observed: 7.21 ft at 12:45AM Jan 29, 2023Observed: 7.23 ft at 1:00AM Jan 29, 2023Observed: 7.26 ft at 1:15AM Jan 29, 2023Observed: 7.35 ft at 1:30AM Jan 29, 2023Observed: 7.34 ft at 3:15AM Jan 29, 2023Observed: 7.26 ft at 3:30AM Jan 29, 2023Observed: 7.25 ft at 3:45AM Jan 29, 2023Observed: 7.23 ft at 4:00AM Jan 29, 2023Observed: 7.24 ft at 4:15AM Jan 29, 2023Observed: 7.24 ft at 4:30AM Jan 29, 2023Observed: 7.28 ft at 4:45AM Jan 29, 2023Observed: 7.3 ft at 5:00AM Jan 29, 2023Observed: 7.4 ft at 5:15AM Jan 29, 2023Observed: 7.35 ft at 5:30AM Jan 29, 2023Observed: 7.39 ft at 5:45AM Jan 29, 2023Observed: 7.38 ft at 6:00AM Jan 29, 2023Observed: 7.41 ft at 6:15AM Jan 29, 2023Observed: 7.49 ft at 6:30AM Jan 29, 2023Observed: 7.44 ft at 6:45AM Jan 29, 2023Observed: 7.44 ft at 7:00AM Jan 29, 2023Observed: 7.43 ft at 7:15AM Jan 29, 2023Observed: 7.44 ft at 7:30AM Jan 29, 2023Observed: 7.32 ft at 7:45AM Jan 29, 2023Observed: 7.31 ft at 8:00AM Jan 29, 2023Observed: 7.3 ft at 8:15AM Jan 29, 2023Observed: 7.31 ft at 8:30AM Jan 29, 2023Observed: 7.35 ft at 8:45AM Jan 29, 2023Observed: 7.28 ft at 9:00AM Jan 29, 2023Observed: 7.3 ft at 9:15AM Jan 29, 2023Observed: 7.21 ft at 9:30AM Jan 29, 2023Observed: 7.18 ft at 9:45AM Jan 29, 2023Observed: 7.17 ft at 10:00AM Jan 29, 2023Observed: 7.18 ft at 10:15AM Jan 29, 2023Observed: 7.19 ft at 10:30AM Jan 29, 2023Observed: 7.17 ft at 10:45AM Jan 29, 2023Observed: 7.32 ft at 11:00AM Jan 29, 2023Observed: 7.29 ft at 11:15AM Jan 29, 2023Observed: 7.21 ft at 11:30AM Jan 29, 2023Observed: 7.2 ft at 11:45AM Jan 29, 2023Observed: 7.22 ft at 12:00PM Jan 29, 2023Observed: 7.25 ft at 12:15PM Jan 29, 2023Observed: 7.25 ft at 12:30PM Jan 29, 2023Observed: 7.25 ft at 12:45PM Jan 29, 2023Observed: 7.26 ft at 1:00PM Jan 29, 2023Observed: 7.25 ft at 1:15PM Jan 29, 2023Observed: 7.25 ft at 1:30PM Jan 29, 2023Observed: 7.24 ft at 1:45PM Jan 29, 2023Observed: 7.24 ft at 2:00PM Jan 29, 2023Observed: 7.23 ft at 2:15PM Jan 29, 2023Observed: 7.23 ft at 2:30PM Jan 29, 2023Observed: 7.22 ft at 2:45PM Jan 29, 2023Observed: 7.21 ft at 3:00PM Jan 29, 2023Observed: 7.2 ft at 3:15PM Jan 29, 2023Observed: 7.19 ft at 3:30PM Jan 29, 2023Observed: 7.19 ft at 3:45PM Jan 29, 2023Observed: 7.17 ft at 4:00PM Jan 29, 2023Observed: 7.17 ft at 4:15PM Jan 29, 2023Observed: 7.16 ft at 4:30PM Jan 29, 2023Observed: 7.15 ft at 4:45PM Jan 29, 2023Observed: 7.14 ft at 5:00PM Jan 29, 2023Observed: 7.14 ft at 5:15PM Jan 29, 2023Observed: 7.13 ft at 5:30PM Jan 29, 2023Observed: 7.13 ft at 5:45PM Jan 29, 2023Observed: 7.12 ft at 6:00PM Jan 29, 2023Observed: 7.12 ft at 6:15PM Jan 29, 2023Observed: 7.11 ft at 6:30PM Jan 29, 2023Observed: 7.11 ft at 6:45PM Jan 29, 2023Observed: 7.11 ft at 7:00PM Jan 29, 2023Observed: 7.11 ft at 7:15PM Jan 29, 2023Observed: 7.1 ft at 7:30PM Jan 29, 2023Observed: 7.1 ft at 7:45PM Jan 29, 2023Observed: 7.09 ft at 8:00PM Jan 29, 2023Observed: 7.09 ft at 8:15PM Jan 29, 2023Observed: 7.09 ft at 8:30PM Jan 29, 2023Observed: 7.09 ft at 8:45PM Jan 29, 2023Observed: 7.09 ft at 9:00PM Jan 29, 2023Observed: 7.09 ft at 9:15PM Jan 29, 2023Observed: 7.09 ft at 9:30PM Jan 29, 2023Observed: 7.08 ft at 9:45PM Jan 29, 2023Observed: 7.08 ft at 10:00PM Jan 29, 2023Observed: 7.08 ft at 10:15PM Jan 29, 2023Observed: 7.07 ft at 10:30PM Jan 29, 2023Observed: 7.06 ft at 10:45PM Jan 29, 2023Observed: 7.06 ft at 11:00PM Jan 29, 2023Observed: 7.05 ft at 11:15PM Jan 29, 2023Observed: 7.04 ft at 11:30PM Jan 29, 2023Observed: 7.04 ft at 11:45PM Jan 29, 2023Observed: 7.04 ft at 12:00AM Jan 30, 2023Observed: 7.05 ft at 12:15AM Jan 30, 2023Observed: 7.05 ft at 12:30AM Jan 30, 2023Observed: 7.05 ft at 12:45AM Jan 30, 2023Observed: 7.06 ft at 1:00AM Jan 30, 2023Observed: 7.06 ft at 1:15AM Jan 30, 2023Observed: 7.06 ft at 1:30AM Jan 30, 2023Observed: 7.06 ft at 1:45AM Jan 30, 2023Observed: 7.07 ft at 2:00AM Jan 30, 2023Observed: 7.07 ft at 2:15AM Jan 30, 2023Observed: 7.07 ft at 2:30AM Jan 30, 2023Observed: 7.06 ft at 2:45AM Jan 30, 2023Observed: 7.06 ft at 3:00AM Jan 30, 2023Observed: 7.06 ft at 3:15AM Jan 30, 2023Observed: 7.06 ft at 3:30AM Jan 30, 2023Observed: 7.06 ft at 3:45AM Jan 30, 2023Observed: 7.05 ft at 4:00AM Jan 30, 2023Observed: 7.05 ft at 4:15AM Jan 30, 2023Observed: 7.08 ft at 4:30AM Jan 30, 2023Observed: 7.18 ft at 4:45AM Jan 30, 2023Observed: 7.26 ft at 9:00AM Jan 30, 2023Observed: 7.2 ft at 9:15AM Jan 30, 2023Observed: 7.22 ft at 9:30AM Jan 30, 2023Observed: 7.22 ft at 9:45AM Jan 30, 2023Observed: 7.26 ft at 10:00AM Jan 30, 2023Observed: 7.28 ft at 10:15AM Jan 30, 2023Observed: 7.27 ft at 10:30AM Jan 30, 2023Observed: 7.49 ft at 10:45AM Jan 30, 2023Observed: 7.45 ft at 11:00AM Jan 30, 2023Observed: 7.31 ft at 11:15AM Jan 30, 2023Observed: 7.15 ft at 11:30AM Jan 30, 2023Observed: 7.25 ft at 11:45AM Jan 30, 2023Observed: 7.18 ft at 12:00PM Jan 30, 2023Observed: 7.12 ft at 12:15PM Jan 30, 2023Observed: 7.13 ft at 12:30PM Jan 30, 2023Observed: 7.17 ft at 12:45PM Jan 30, 2023Observed: 7.2 ft at 1:00PM Jan 30, 2023Observed: 7.22 ft at 1:15PM Jan 30, 2023Observed: 7.22 ft at 1:30PM Jan 30, 2023Observed: 7.23 ft at 1:45PM Jan 30, 2023Observed: 7.24 ft at 2:00PM Jan 30, 2023Observed: 7.24 ft at 2:15PM Jan 30, 2023Observed: 7.23 ft at 2:30PM Jan 30, 2023Observed: 7.22 ft at 2:45PM Jan 30, 2023Observed: 7.22 ft at 3:00PM Jan 30, 2023Observed: 7.21 ft at 3:15PM Jan 30, 2023Observed: 7.2 ft at 3:30PM Jan 30, 2023Observed: 7.19 ft at 3:45PM Jan 30, 2023Observed: 7.18 ft at 4:00PM Jan 30, 2023Observed: 7.17 ft at 4:15PM Jan 30, 2023Observed: 7.15 ft at 4:30PM Jan 30, 2023Observed: 7.15 ft at 4:45PM Jan 30, 2023Observed: 7.13 ft at 5:00PM Jan 30, 2023Observed: 7.12 ft at 5:15PM Jan 30, 2023Observed: 7.11 ft at 5:30PM Jan 30, 2023Observed: 7.1 ft at 5:45PM Jan 30, 2023Observed: 7.08 ft at 6:00PM Jan 30, 2023Observed: 7.07 ft at 6:15PM Jan 30, 2023Observed: 7.06 ft at 6:30PM Jan 30, 2023Observed: 7.05 ft at 6:45PM Jan 30, 2023Observed: 7.03 ft at 7:00PM Jan 30, 2023Observed: 7.02 ft at 7:15PM Jan 30, 2023Observed: 7.01 ft at 7:30PM Jan 30, 2023Observed: 6.99 ft at 7:45PM Jan 30, 2023Observed: 6.98 ft at 8:00PM Jan 30, 2023Observed: 6.96 ft at 8:15PM Jan 30, 2023Observed: 6.94 ft at 8:30PM Jan 30, 2023Observed: 6.93 ft at 8:45PM Jan 30, 2023Observed: 6.92 ft at 9:00PM Jan 30, 2023Observed: 6.9 ft at 9:15PM Jan 30, 2023Observed: 6.88 ft at 9:30PM Jan 30, 2023Observed: 6.87 ft at 9:45PM Jan 30, 2023Observed: 6.86 ft at 10:00PM Jan 30, 2023Observed: 6.85 ft at 10:15PM Jan 30, 2023Observed: 6.84 ft at 10:30PM Jan 30, 2023Observed: 6.83 ft at 10:45PM Jan 30, 2023Observed: 6.87 ft at 11:00PM Jan 30, 2023Observed: 6.91 ft at 11:15PM Jan 30, 2023Observed: 8.3 ft at 11:30PM Jan 30, 2023Observed: 7.13 ft at 11:45PM Jan 30, 2023Observed: 7.01 ft at 12:00AM Jan 31, 2023Observed: 6.97 ft at 12:15AM Jan 31, 2023Observed: 6.97 ft at 12:30AM Jan 31, 2023Observed: 6.98 ft at 12:45AM Jan 31, 2023Observed: 6.98 ft at 1:00AM Jan 31, 2023Observed: 7 ft at 1:15AM Jan 31, 2023Observed: 7.02 ft at 1:30AM Jan 31, 2023Observed: 6.92 ft at 1:45AM Jan 31, 2023Observed: 6.97 ft at 2:00AM Jan 31, 2023Observed: 7.01 ft at 2:15AM Jan 31, 2023Observed: 7.05 ft at 2:30AM Jan 31, 2023Observed: 7.07 ft at 2:45AM Jan 31, 2023Observed: 7.08 ft at 3:00AM Jan 31, 2023Observed: 7.13 ft at 3:15AM Jan 31, 2023Observed: 7.17 ft at 3:30AM Jan 31, 2023Observed: 7.21 ft at 3:45AM Jan 31, 2023Observed: 7.3 ft at 4:00AM Jan 31, 2023Observed: 7.28 ft at 4:15AM Jan 31, 2023Observed: 7.33 ft at 4:30AM Jan 31, 2023Observed: 7.35 ft at 4:45AM Jan 31, 2023Observed: 7.4 ft at 5:00AM Jan 31, 2023Observed: 7.44 ft at 5:15AM Jan 31, 2023Observed: 7.49 ft at 5:30AM Jan 31, 2023Observed: 7.53 ft at 5:45AM Jan 31, 2023Observed: 7.62 ft at 6:00AM Jan 31, 2023Observed: 7.68 ft at 6:15AM Jan 31, 2023Observed: 7.75 ft at 6:30AM Jan 31, 2023Observed: 7.8 ft at 6:45AM Jan 31, 2023Observed: 7.87 ft at 7:00AM Jan 31, 2023Observed: 7.9 ft at 7:15AM Jan 31, 2023Observed: 7.93 ft at 7:30AM Jan 31, 2023Observed: 7.89 ft at 7:45AM Jan 31, 2023Observed: 7.94 ft at 8:00AM Jan 31, 2023Observed: 8 ft at 8:15AM Jan 31, 2023Observed: 8.05 ft at 8:30AM Jan 31, 2023Observed: 8.15 ft at 8:45AM Jan 31, 2023Observed: 8.23 ft at 9:00AM Jan 31, 2023Observed: 8.26 ft at 9:15AM Jan 31, 2023Observed: 8.29 ft at 9:30AM Jan 31, 2023Observed: 8.36 ft at 9:45AM Jan 31, 2023Observed: 8.47 ft at 10:00AM Jan 31, 2023Observed: 8.48 ft at 10:15AM Jan 31, 2023Observed: 8.49 ft at 10:30AM Jan 31, 2023Observed: 8.54 ft at 10:45AM Jan 31, 2023Observed: 8.59 ft at 11:00AM Jan 31, 2023Observed: 8.69 ft at 11:15AM Jan 31, 2023Observed: 8.76 ft at 11:30AM Jan 31, 2023Observed: 8.88 ft at 11:45AM Jan 31, 2023Observed: 8.97 ft at 12:00PM Jan 31, 2023Observed: 9.01 ft at 12:15PM Jan 31, 2023Observed: 9.07 ft at 12:30PM Jan 31, 2023Observed: 9.13 ft at 12:45PM Jan 31, 2023Observed: 9.16 ft at 1:00PM Jan 31, 2023Observed: 9.2 ft at 1:15PM Jan 31, 2023Observed: 9.23 ft at 1:30PM Jan 31, 2023Observed: 9.28 ft at 1:45PM Jan 31, 2023Observed: 9.28 ft at 2:00PM Jan 31, 2023Observed: 9.39 ft at 2:15PM Jan 31, 2023Observed: 9.45 ft at 2:30PM Jan 31, 2023Observed: 9.45 ft at 2:45PM Jan 31, 2023Observed: 9.5 ft at 3:00PM Jan 31, 2023Observed: 9.54 ft at 3:15PM Jan 31, 2023Observed: 9.57 ft at 3:30PM Jan 31, 2023Observed: 9.58 ft at 3:45PM Jan 31, 2023Observed: 9.6 ft at 4:00PM Jan 31, 2023Observed: 9.63 ft at 4:15PM Jan 31, 2023Observed: 9.68 ft at 4:30PM Jan 31, 2023Observed: 9.73 ft at 4:45PM Jan 31, 2023Observed: 9.74 ft at 5:00PM Jan 31, 2023Observed: 9.74 ft at 5:15PM Jan 31, 2023Observed: 9.73 ft at 5:30PM Jan 31, 2023Observed: 9.73 ft at 5:45PM Jan 31, 2023Observed: 9.73 ft at 6:00PM Jan 31, 2023Observed: 9.74 ft at 6:15PM Jan 31, 2023Observed: 9.74 ft at 6:30PM Jan 31, 2023Observed: 9.74 ft at 6:45PM Jan 31, 2023Observed: 9.74 ft at 7:00PM Jan 31, 2023Observed: 9.74 ft at 7:15PM Jan 31, 2023Observed: 9.74 ft at 7:30PM Jan 31, 2023Observed: 9.74 ft at 7:45PM Jan 31, 2023Observed: 9.73 ft at 8:00PM Jan 31, 2023Observed: 9.73 ft at 8:15PM Jan 31, 2023Observed: 9.73 ft at 8:30PM Jan 31, 2023Observed: 9.71 ft at 8:45PM Jan 31, 2023Observed: 9.7 ft at 9:00PM Jan 31, 2023Observed: 9.69 ft at 9:15PM Jan 31, 2023Observed: 9.68 ft at 9:30PM Jan 31, 2023Observed: 9.67 ft at 9:45PM Jan 31, 2023Observed: 9.65 ft at 10:00PM Jan 31, 2023Observed: 9.64 ft at 10:15PM Jan 31, 2023Observed: 9.63 ft at 10:30PM Jan 31, 2023Observed: 9.62 ft at 10:45PM Jan 31, 2023Observed: 9.6 ft at 11:00PM Jan 31, 2023Observed: 9.59 ft at 11:15PM Jan 31, 2023Observed: 9.58 ft at 11:30PM Jan 31, 2023Observed: 9.55 ft at 11:45PM Jan 31, 2023Observed: 9.53 ft at 12:00AM Feb 01, 2023Observed: 9.52 ft at 12:15AM Feb 01, 2023Observed: 9.49 ft at 12:30AM Feb 01, 2023Observed: 9.47 ft at 12:45AM Feb 01, 2023Observed: 9.45 ft at 1:00AM Feb 01, 2023Observed: 9.43 ft at 1:15AM Feb 01, 2023Observed: 9.4 ft at 1:30AM Feb 01, 2023Observed: 9.38 ft at 1:45AM Feb 01, 2023Observed: 9.36 ft at 2:00AM Feb 01, 2023Observed: 9.35 ft at 2:15AM Feb 01, 2023Observed: 9.33 ft at 2:30AM Feb 01, 2023Observed: 9.31 ft at 2:45AM Feb 01, 2023Observed: 9.29 ft at 3:00AM Feb 01, 2023Observed: 9.27 ft at 3:15AM Feb 01, 2023Observed: 9.24 ft at 3:30AM Feb 01, 2023Observed: 9.22 ft at 3:45AM Feb 01, 2023Observed: 9.2 ft at 4:00AM Feb 01, 2023Observed: 9.2 ft at 4:15AM Feb 01, 2023Observed: 9.18 ft at 4:30AM Feb 01, 2023Observed: 9.17 ft at 4:45AM Feb 01, 2023Observed: 9.15 ft at 5:00AM Feb 01, 2023Observed: 9.13 ft at 5:15AM Feb 01, 2023Observed: 9.11 ft at 5:30AM Feb 01, 2023Observed: 9.11 ft at 5:45AM Feb 01, 2023Observed: 9.09 ft at 6:00AM Feb 01, 2023Observed: 9.09 ft at 6:15AM Feb 01, 2023Observed: 9.09 ft at 6:30AM Feb 01, 2023Observed: 9.1 ft at 6:45AM Feb 01, 2023Observed: 9.11 ft at 7:00AM Feb 01, 2023Observed: 9.13 ft at 7:15AM Feb 01, 2023Observed: 9.16 ft at 7:30AM Feb 01, 2023Observed: 9.17 ft at 7:45AM Feb 01, 2023Observed: 9.22 ft at 8:00AM Feb 01, 2023Highest Observation: 9.75 ft at 8:15AM Feb 01, 2023Observed: 9.6 ft at 8:30AM Feb 01, 2023Observed: 9.7 ft at 9:30AM Feb 01, 2023Observed: 9.61 ft at 9:45AM Feb 01, 2023Observed: 9.49 ft at 10:00AM Feb 01, 2023Observed: 9.41 ft at 10:15AM Feb 01, 2023Observed: 9.35 ft at 10:30AM Feb 01, 2023Observed: 9.34 ft at 10:45AM Feb 01, 2023Observed: 9.35 ft at 11:00AM Feb 01, 2023Observed: 9.33 ft at 11:15AM Feb 01, 2023Observed: 9.31 ft at 11:30AM Feb 01, 2023Observed: 9.3 ft at 11:45AM Feb 01, 2023Observed: 9.3 ft at 12:00PM Feb 01, 2023Observed: 9.35 ft at 12:15PM Feb 01, 2023Observed: 9.32 ft at 12:30PM Feb 01, 2023Observed: 9.29 ft at 12:45PM Feb 01, 2023Observed: 9.29 ft at 1:00PM Feb 01, 2023Observed: 9.28 ft at 1:15PM Feb 01, 2023Observed: 9.29 ft at 1:30PM Feb 01, 2023Observed: 9.31 ft at 1:45PM Feb 01, 2023Observed: 9.3 ft at 2:00PM Feb 01, 2023Observed: 9.41 ft at 2:15PM Feb 01, 2023Observed: 9.61 ft at 2:30PM Feb 01, 2023Observed: 9.66 ft at 2:45PM Feb 01, 2023Observed: 9.68 ft at 3:00PM Feb 01, 2023Observed: 9.61 ft at 3:15PM Feb 01, 2023Observed: 9.72 ft at 3:30PM Feb 01, 2023Highest Observation: 9.75 ft at 3:45PM Feb 01, 2023Highest Observation: 9.75 ft at 4:00PM Feb 01, 2023Observed: 9.74 ft at 4:15PM Feb 01, 2023Observed: 9.73 ft at 4:30PM Feb 01, 2023Observed: 9.72 ft at 4:45PM Feb 01, 2023Observed: 9.7 ft at 5:00PM Feb 01, 2023Observed: 9.69 ft at 5:15PM Feb 01, 2023Observed: 9.67 ft at 5:30PM Feb 01, 2023Observed: 9.66 ft at 5:45PM Feb 01, 2023Observed: 9.65 ft at 6:00PM Feb 01, 2023Observed: 9.63 ft at 6:15PM Feb 01, 2023Observed: 9.62 ft at 6:30PM Feb 01, 2023Observed: 9.61 ft at 6:45PM Feb 01, 2023Observed: 9.59 ft at 7:00PM Feb 01, 2023Observed: 9.58 ft at 7:15PM Feb 01, 2023Observed: 9.57 ft at 7:30PM Feb 01, 2023Observed: 9.55 ft at 7:45PM Feb 01, 2023Observed: 9.54 ft at 8:00PM Feb 01, 2023Observed: 9.53 ft at 8:15PM Feb 01, 2023Observed: 9.53 ft at 8:30PM Feb 01, 2023Observed: 9.52 ft at 8:45PM Feb 01, 2023Observed: 9.51 ft at 9:00PM Feb 01, 2023Observed: 9.5 ft at 9:15PM Feb 01, 2023Observed: 9.48 ft at 9:30PM Feb 01, 2023Observed: 9.47 ft at 9:45PM Feb 01, 2023Observed: 9.46 ft at 10:00PM Feb 01, 2023Observed: 9.46 ft at 10:15PM Feb 01, 2023Observed: 9.45 ft at 10:30PM Feb 01, 2023Observed: 9.43 ft at 10:45PM Feb 01, 2023Observed: 9.42 ft at 11:00PM Feb 01, 2023Observed: 9.4 ft at 11:15PM Feb 01, 2023Observed: 9.39 ft at 11:30PM Feb 01, 2023Observed: 9.37 ft at 11:45PM Feb 01, 2023Observed: 9.37 ft at 12:00AM Feb 02, 2023Observed: 9.35 ft at 12:15AM Feb 02, 2023Observed: 9.33 ft at 12:30AM Feb 02, 2023Observed: 9.31 ft at 12:45AM Feb 02, 2023Observed: 9.29 ft at 1:00AM Feb 02, 2023Observed: 9.27 ft at 1:15AM Feb 02, 2023Observed: 9.25 ft at 1:30AM Feb 02, 2023Observed: 9.23 ft at 1:45AM Feb 02, 2023Observed: 9.2 ft at 2:00AM Feb 02, 2023Observed: 9.17 ft at 2:15AM Feb 02, 2023Observed: 9.15 ft at 2:30AM Feb 02, 2023Observed: 9.13 ft at 2:45AM Feb 02, 2023Observed: 9.12 ft at 3:00AM Feb 02, 2023Observed: 9.1 ft at 3:15AM Feb 02, 2023Observed: 9.07 ft at 3:30AM Feb 02, 2023Observed: 9.04 ft at 3:45AM Feb 02, 2023Observed: 9.01 ft at 4:00AM Feb 02, 2023Observed: 8.99 ft at 4:15AM Feb 02, 2023Observed: 8.96 ft at 4:30AM Feb 02, 2023Observed: 8.94 ft at 4:45AM Feb 02, 2023Observed: 8.93 ft at 5:00AM Feb 02, 2023Observed: 8.9 ft at 5:15AM Feb 02, 2023Observed: 8.88 ft at 5:30AM Feb 02, 2023Observed: 8.86 ft at 5:45AM Feb 02, 2023Observed: 8.85 ft at 6:00AM Feb 02, 2023Observed: 8.83 ft at 6:15AM Feb 02, 2023Observed: 8.82 ft at 6:30AM Feb 02, 2023Observed: 8.82 ft at 6:45AM Feb 02, 2023Observed: 8.83 ft at 7:00AM Feb 02, 2023Observed: 8.81 ft at 7:15AM Feb 02, 2023Observed: 8.8 ft at 7:30AM Feb 02, 2023Observed: 8.79 ft at 7:45AM Feb 02, 2023Observed: 8.78 ft at 8:00AM Feb 02, 2023Observed: 8.78 ft at 8:15AM Feb 02, 2023Observed: 8.77 ft at 8:30AM Feb 02, 2023Observed: 8.78 ft at 8:45AM Feb 02, 2023Observed: 8.78 ft at 9:00AM Feb 02, 2023Observed: 8.79 ft at 9:15AM Feb 02, 2023Observed: 8.79 ft at 9:30AM Feb 02, 2023Observed: 8.8 ft at 9:45AM Feb 02, 2023Observed: 8.8 ft at 10:00AM Feb 02, 2023Observed: 8.82 ft at 10:15AM Feb 02, 2023Observed: 8.83 ft at 10:30AM Feb 02, 2023Observed: 8.86 ft at 10:45AM Feb 02, 2023Observed: 8.88 ft at 11:00AM Feb 02, 2023Observed: 8.92 ft at 11:15AM Feb 02, 2023Observed: 8.95 ft at 11:30AM Feb 02, 2023Observed: 8.99 ft at 11:45AM Feb 02, 2023Observed: 9.02 ft at 12:00PM Feb 02, 2023Observed: 9.07 ft at 12:15PM Feb 02, 2023Observed: 9.13 ft at 12:30PM Feb 02, 2023Observed: 9.25 ft at 12:45PM Feb 02, 2023Observed: 9.34 ft at 1:00PM Feb 02, 2023Observed: 9.53 ft at 1:15PM Feb 02, 2023Observed: 9.38 ft at 1:30PM Feb 02, 2023Observed: 9.3 ft at 1:45PM Feb 02, 2023Observed: 9.21 ft at 2:00PM Feb 02, 2023Observed: 9.19 ft at 2:15PM Feb 02, 2023Observed: 9.19 ft at 2:30PM Feb 02, 2023Observed: 9.2 ft at 2:45PM Feb 02, 2023Observed: 9.22 ft at 3:00PM Feb 02, 2023Observed: 9.25 ft at 3:15PM Feb 02, 2023Observed: 9.27 ft at 3:30PM Feb 02, 2023Observed: 9.31 ft at 3:45PM Feb 02, 2023Observed: 9.33 ft at 4:00PM Feb 02, 2023Observed: 9.34 ft at 4:15PM Feb 02, 2023Observed: 9.35 ft at 4:30PM Feb 02, 2023Observed: 9.37 ft at 4:45PM Feb 02, 2023Observed: 9.4 ft at 5:00PM Feb 02, 2023Observed: 9.43 ft at 5:15PM Feb 02, 2023Observed: 9.46 ft at 5:30PM Feb 02, 2023Observed: 9.47 ft at 5:45PM Feb 02, 2023Observed: 9.49 ft at 6:00PM Feb 02, 2023Observed: 9.49 ft at 6:15PM Feb 02, 2023Observed: 9.5 ft at 6:30PM Feb 02, 2023Observed: 9.5 ft at 6:45PM Feb 02, 2023Observed: 9.5 ft at 7:00PM Feb 02, 2023Observed: 9.51 ft at 7:15PM Feb 02, 2023Observed: 9.5 ft at 7:30PM Feb 02, 2023Observed: 9.5 ft at 7:45PM Feb 02, 2023Observed: 9.5 ft at 8:00PM Feb 02, 2023Observed: 9.5 ft at 8:15PM Feb 02, 2023Observed: 9.5 ft at 8:30PM Feb 02, 2023Observed: 9.5 ft at 8:45PM Feb 02, 2023Observed: 9.48 ft at 9:00PM Feb 02, 2023Observed: 9.49 ft at 9:15PM Feb 02, 2023Observed: 9.47 ft at 9:30PM Feb 02, 2023Observed: 9.46 ft at 9:45PM Feb 02, 2023Observed: 9.45 ft at 10:00PM Feb 02, 2023Observed: 9.44 ft at 10:15PM Feb 02, 2023Observed: 9.42 ft at 10:30PM Feb 02, 2023Observed: 9.41 ft at 10:45PM Feb 02, 2023Observed: 9.39 ft at 11:00PM Feb 02, 2023Observed: 9.37 ft at 11:15PM Feb 02, 2023Observed: 9.36 ft at 11:30PM Feb 02, 2023Observed: 9.33 ft at 11:45PM Feb 02, 2023Observed: 9.31 ft at 12:00AM Feb 03, 2023Observed: 9.29 ft at 12:15AM Feb 03, 2023Observed: 9.26 ft at 12:30AM Feb 03, 2023Observed: 9.23 ft at 12:45AM Feb 03, 2023Observed: 9.2 ft at 1:00AM Feb 03, 2023Observed: 9.16 ft at 1:15AM Feb 03, 2023Observed: 9.13 ft at 1:30AM Feb 03, 2023Observed: 9.08 ft at 1:45AM Feb 03, 2023Observed: 9.04 ft at 2:00AM Feb 03, 2023Observed: 8.99 ft at 2:15AM Feb 03, 2023Observed: 8.94 ft at 2:30AM Feb 03, 2023Observed: 8.89 ft at 2:45AM Feb 03, 2023Observed: 8.84 ft at 3:00AM Feb 03, 2023Observed: 8.8 ft at 3:15AM Feb 03, 2023Observed: 8.74 ft at 3:30AM Feb 03, 2023Observed: 8.69 ft at 3:45AM Feb 03, 2023Observed: 8.65 ft at 4:00AM Feb 03, 2023Observed: 8.62 ft at 4:15AM Feb 03, 2023Observed: 8.58 ft at 4:30AM Feb 03, 2023Observed: 8.56 ft at 4:45AM Feb 03, 2023Observed: 8.54 ft at 5:00AM Feb 03, 2023Observed: 8.52 ft at 5:15AM Feb 03, 2023Observed: 8.52 ft at 5:30AM Feb 03, 2023Observed: 8.51 ft at 5:45AM Feb 03, 2023Observed: 8.51 ft at 6:00AM Feb 03, 2023Observed: 8.51 ft at 6:15AM Feb 03, 2023Observed: 8.51 ft at 6:30AM Feb 03, 2023Observed: 8.5 ft at 6:45AM Feb 03, 2023Observed: 8.49 ft at 7:00AM Feb 03, 2023Observed: 8.47 ft at 7:15AM Feb 03, 2023Observed: 8.46 ft at 7:30AM Feb 03, 2023Observed: 8.46 ft at 7:45AM Feb 03, 2023Observed: 8.45 ft at 8:00AM Feb 03, 2023Observed: 8.45 ft at 8:15AM Feb 03, 2023Observed: 8.45 ft at 8:30AM Feb 03, 2023Observed: 8.45 ft at 8:45AM Feb 03, 2023Observed: 8.46 ft at 9:00AM Feb 03, 2023Observed: 8.44 ft at 9:15AM Feb 03, 2023Observed: 8.45 ft at 9:30AM Feb 03, 2023Observed: 8.44 ft at 9:45AM Feb 03, 2023Observed: 8.45 ft at 10:00AM Feb 03, 2023Observed: 8.44 ft at 10:15AM Feb 03, 2023Observed: 8.45 ft at 10:30AM Feb 03, 2023Observed: 8.45 ft at 10:45AM Feb 03, 2023Observed: 8.46 ft at 11:00AM Feb 03, 2023Observed: 8.46 ft at 11:15AM Feb 03, 2023Observed: 8.47 ft at 11:30AM Feb 03, 2023Observed: 8.49 ft at 11:45AM Feb 03, 2023Observed: 8.51 ft at 12:00PM Feb 03, 2023Observed: 8.52 ft at 12:15PM Feb 03, 2023Observed: 8.55 ft at 12:30PM Feb 03, 2023Observed: 8.58 ft at 12:45PM Feb 03, 2023Observed: 8.6 ft at 1:00PM Feb 03, 2023Observed: 8.62 ft at 1:15PM Feb 03, 2023Observed: 8.63 ft at 1:30PM Feb 03, 2023Observed: 8.64 ft at 1:45PM Feb 03, 2023Observed: 8.65 ft at 2:00PM Feb 03, 2023Observed: 8.66 ft at 2:15PM Feb 03, 2023Observed: 8.66 ft at 2:30PM Feb 03, 2023Observed: 8.67 ft at 2:45PM Feb 03, 2023Observed: 8.66 ft at 3:00PM Feb 03, 2023Observed: 8.66 ft at 3:15PM Feb 03, 2023Observed: 8.66 ft at 3:30PM Feb 03, 2023Observed: 8.65 ft at 3:45PM Feb 03, 2023Observed: 8.64 ft at 4:00PM Feb 03, 2023Observed: 8.63 ft at 4:15PM Feb 03, 2023Observed: 8.63 ft at 4:30PM Feb 03, 2023Observed: 8.62 ft at 4:45PM Feb 03, 2023Observed: 8.6 ft at 5:00PM Feb 03, 2023Observed: 8.59 ft at 5:15PM Feb 03, 2023Highest Forecast: 9.2 ft 12:00AM Feb 04, 2023Forecast: 8.9 ft 6:00AM Feb 04, 2023Forecast: 8.7 ft 12:00PM Feb 04, 2023Forecast: 8.7 ft 6:00PM Feb 04, 2023Forecast: 8.9 ft 12:00AM Feb 05, 2023Forecast: 8.9 ft 6:00AM Feb 05, 2023Forecast: 8.8 ft 12:00PM Feb 05, 2023Forecast: 8.7 ft 6:00PM Feb 05, 2023Forecast: 8.6 ft 12:00AM Feb 06, 2023Forecast: 8.5 ft 6:00AM Feb 06, 2023Forecast: 8.4 ft 12:00PM Feb 06, 2023Forecast: 8.4 ft 6:00PM Feb 06, 2023Forecast: 8.4 ft 12:00AM Feb 07, 2023Forecast: 8.3 ft 6:00AM Feb 07, 2023Forecast: 8.3 ft 12:00PM Feb 07, 2023Forecast: 8.2 ft 6:00PM Feb 07, 2023Forecast: 8.2 ft 12:00AM Feb 08, 2023Forecast: 8.2 ft 6:00AM Feb 08, 2023Forecast: 8.1 ft 12:00PM Feb 08, 2023Forecast: 8.1 ft 6:00PM Feb 08, 2023Forecast: 8.1 ft 12:00AM Feb 09, 2023Forecast: 8.1 ft 6:00AM Feb 09, 2023Forecast: 8.1 ft 12:00PM Feb 09, 2023Forecast: 8.1 ft 6:00PM Feb 09, 2023Forecast: 8.1 ft 12:00AM Feb 10, 2023Forecast: 8.1 ft 6:00AM Feb 10, 2023USGS--Water Resources of the United StatesBYRI2(plotting HGIRG) Graph Created (6:12PM Feb 3, 2023)ObservedForecast (issued 8:39AM Feb 3)Latest observed value: 8.59 ft at 5:15 PM CST 3-Feb-2023. Flood Stage is 13 ft
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Tabular Data (UTC)
Tabular Data (CST)
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RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Rock River at Byron are issued as needed during times of high water, but are not routinely available.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Dixon
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 13
Action Stage: 10.5
Low Stage (in feet): 4

Historic Crests
(1) 17.80 ft on 04/20/1973
(2) 17.08 ft on 04/20/2013
(3) 16.64 ft on 03/16/2019
(4) 16.50 ft on 07/25/2010
(5) 16.12 ft on 06/14/2000
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.11 ft on 05/18/2020
(2) 13.06 ft on 03/29/2020
(3) 14.42 ft on 10/04/2019
(4) 13.53 ft on 09/15/2019
(5) 13.00 ft on 05/31/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.33 ft on 09/09/2003
(2) 4.36 ft on 09/21/2012
(3) 4.44 ft on 10/16/2005

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

Zoom Level:15
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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
17 Water threatens structures at the water treatment plant in Byron.
16.5 Numerous residences are threatened between IL-2 and the river just northeast of Byron. River Road is threatened near the river just south of Byron.
16 The MercyHealth Clinic is threatened along Kysor Drive in Byron.
15.5 Water threatens lower sections of the water treatment plant property in Byron. Water threatens IL-2 west of Byron.
13.5 Numerous low-lying structures downstream of Byron are flooded.
13 Low-lying structures downstream of Byron are threatened.
12 Water inundates yards of several houses along River Road near Byron. Low-lying portions of Hamas Park and Sunshine Park are inundated.
10.5 Water begins to affect low-lying areas along the river near Byron.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
4.0 Approximate stage of the 1-in-10 annual chance flow (7-day average).
About This Location Collapse

Latitude: 42.123056° N, Longitude: 89.255833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13 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 666.0 679.0 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
How much forecast precipitation was used for the current river forecast?
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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 2-Nov-2020 7:29 PM
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