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Hydrograph River at a Glance Download
Rock River at Byron Stage (ft)Flow (kcfs)Observed: 8.68 ft at 7:30PM May 03, 2024Observed: 8.68 ft at 7:45PM May 03, 2024Observed: 8.68 ft at 8:00PM May 03, 2024Observed: 8.68 ft at 8:15PM May 03, 2024Observed: 8.68 ft at 8:30PM May 03, 2024Observed: 8.68 ft at 8:45PM May 03, 2024Observed: 8.67 ft at 9:00PM May 03, 2024Observed: 8.68 ft at 9:15PM May 03, 2024Observed: 8.68 ft at 9:30PM May 03, 2024Observed: 8.68 ft at 9:45PM May 03, 2024Observed: 8.68 ft at 10:00PM May 03, 2024Observed: 8.68 ft at 10:15PM May 03, 2024Observed: 8.68 ft at 10:30PM May 03, 2024Observed: 8.68 ft at 10:45PM May 03, 2024Observed: 8.68 ft at 11:00PM May 03, 2024Observed: 8.67 ft at 11:15PM May 03, 2024Observed: 8.68 ft at 11:30PM May 03, 2024Observed: 8.67 ft at 11:45PM May 03, 2024Observed: 8.67 ft at 12:00AM May 04, 2024Observed: 8.67 ft at 12:15AM May 04, 2024Observed: 8.67 ft at 12:30AM May 04, 2024Observed: 8.67 ft at 12:45AM May 04, 2024Observed: 8.67 ft at 1:00AM May 04, 2024Observed: 8.67 ft at 1:15AM May 04, 2024Observed: 8.67 ft at 1:30AM May 04, 2024Observed: 8.67 ft at 1:45AM May 04, 2024Observed: 8.68 ft at 2:00AM May 04, 2024Observed: 8.67 ft at 2:15AM May 04, 2024Observed: 8.67 ft at 2:30AM May 04, 2024Observed: 8.66 ft at 2:45AM May 04, 2024Observed: 8.66 ft at 3:00AM May 04, 2024Observed: 8.67 ft at 3:15AM May 04, 2024Observed: 8.67 ft at 3:30AM May 04, 2024Observed: 8.67 ft at 3:45AM May 04, 2024Observed: 8.66 ft at 4:00AM May 04, 2024Observed: 8.67 ft at 4:15AM May 04, 2024Observed: 8.66 ft at 4:30AM May 04, 2024Observed: 8.67 ft at 4:45AM May 04, 2024Observed: 8.66 ft at 5:00AM May 04, 2024Observed: 8.67 ft at 5:15AM May 04, 2024Observed: 8.66 ft at 5:30AM May 04, 2024Observed: 8.66 ft at 5:45AM May 04, 2024Observed: 8.66 ft at 6:00AM May 04, 2024Observed: 8.66 ft at 6:15AM May 04, 2024Observed: 8.65 ft at 6:30AM May 04, 2024Observed: 8.66 ft at 6:45AM May 04, 2024Observed: 8.66 ft at 7:00AM May 04, 2024Observed: 8.65 ft at 7:15AM May 04, 2024Observed: 8.65 ft at 7:30AM May 04, 2024Observed: 8.65 ft at 7:45AM May 04, 2024Observed: 8.65 ft at 8:00AM May 04, 2024Observed: 8.64 ft at 8:15AM May 04, 2024Observed: 8.66 ft at 8:30AM May 04, 2024Observed: 8.64 ft at 8:45AM May 04, 2024Observed: 8.64 ft at 9:00AM May 04, 2024Observed: 8.65 ft at 9:15AM May 04, 2024Observed: 8.65 ft at 9:30AM May 04, 2024Observed: 8.64 ft at 9:45AM May 04, 2024Observed: 8.65 ft at 10:00AM May 04, 2024Observed: 8.64 ft at 10:15AM May 04, 2024Observed: 8.64 ft at 10:30AM May 04, 2024Observed: 8.65 ft at 10:45AM May 04, 2024Observed: 8.65 ft at 11:00AM May 04, 2024Observed: 8.64 ft at 11:15AM May 04, 2024Observed: 8.65 ft at 11:30AM May 04, 2024Observed: 8.65 ft at 11:45AM May 04, 2024Observed: 8.65 ft at 12:00PM May 04, 2024Observed: 8.63 ft at 12:15PM May 04, 2024Observed: 8.64 ft at 12:30PM May 04, 2024Observed: 8.64 ft at 12:45PM May 04, 2024Observed: 8.63 ft at 1:00PM May 04, 2024Observed: 8.64 ft at 1:15PM May 04, 2024Observed: 8.64 ft at 1:30PM May 04, 2024Observed: 8.65 ft at 1:45PM May 04, 2024Observed: 8.64 ft at 2:00PM May 04, 2024Observed: 8.65 ft at 2:15PM May 04, 2024Observed: 8.65 ft at 2:30PM May 04, 2024Observed: 8.64 ft at 2:45PM May 04, 2024Observed: 8.63 ft at 3:00PM May 04, 2024Observed: 8.65 ft at 3:15PM May 04, 2024Observed: 8.63 ft at 3:30PM May 04, 2024Observed: 8.63 ft at 3:45PM May 04, 2024Observed: 8.64 ft at 4:00PM May 04, 2024Observed: 8.66 ft at 4:15PM May 04, 2024Observed: 8.64 ft at 4:30PM May 04, 2024Observed: 8.63 ft at 4:45PM May 04, 2024Observed: 8.66 ft at 5:00PM May 04, 2024Observed: 8.7 ft at 5:15PM May 04, 2024Observed: 8.67 ft at 5:30PM May 04, 2024Observed: 8.67 ft at 5:45PM May 04, 2024Observed: 8.66 ft at 6:00PM May 04, 2024Observed: 8.67 ft at 6:15PM May 04, 2024Observed: 8.66 ft at 6:30PM May 04, 2024Observed: 8.66 ft at 6:45PM May 04, 2024Observed: 8.67 ft at 7:00PM May 04, 2024Observed: 8.67 ft at 7:15PM May 04, 2024Observed: 8.67 ft at 7:30PM May 04, 2024Observed: 8.67 ft at 7:45PM May 04, 2024Observed: 8.66 ft at 8:00PM May 04, 2024Observed: 8.68 ft at 8:15PM May 04, 2024Observed: 8.67 ft at 8:30PM May 04, 2024Observed: 8.68 ft at 8:45PM May 04, 2024Observed: 8.68 ft at 9:00PM May 04, 2024Observed: 8.68 ft at 9:15PM May 04, 2024Observed: 8.67 ft at 9:30PM May 04, 2024Observed: 8.68 ft at 9:45PM May 04, 2024Observed: 8.68 ft at 10:00PM May 04, 2024Observed: 8.68 ft at 10:15PM May 04, 2024Observed: 8.68 ft at 10:30PM May 04, 2024Observed: 8.68 ft at 10:45PM May 04, 2024Observed: 8.68 ft at 11:00PM May 04, 2024Observed: 8.69 ft at 11:15PM May 04, 2024Observed: 8.69 ft at 11:30PM May 04, 2024Observed: 8.69 ft at 11:45PM May 04, 2024Observed: 8.69 ft at 12:00AM May 05, 2024Observed: 8.69 ft at 12:15AM May 05, 2024Observed: 8.69 ft at 12:30AM May 05, 2024Observed: 8.69 ft at 12:45AM May 05, 2024Observed: 8.68 ft at 1:00AM May 05, 2024Observed: 8.68 ft at 1:15AM May 05, 2024Observed: 8.68 ft at 1:30AM May 05, 2024Observed: 8.69 ft at 1:45AM May 05, 2024Observed: 8.68 ft at 2:00AM May 05, 2024Observed: 8.69 ft at 2:15AM May 05, 2024Observed: 8.69 ft at 2:30AM May 05, 2024Observed: 8.68 ft at 2:45AM May 05, 2024Observed: 8.68 ft at 3:00AM May 05, 2024Observed: 8.69 ft at 3:15AM May 05, 2024Observed: 8.69 ft at 3:30AM May 05, 2024Observed: 8.69 ft at 3:45AM May 05, 2024Observed: 8.68 ft at 4:00AM May 05, 2024Observed: 8.68 ft at 4:15AM May 05, 2024Observed: 8.68 ft at 4:30AM May 05, 2024Observed: 8.68 ft at 4:45AM May 05, 2024Observed: 8.68 ft at 5:00AM May 05, 2024Observed: 8.69 ft at 5:15AM May 05, 2024Observed: 8.69 ft at 5:30AM May 05, 2024Observed: 8.67 ft at 5:45AM May 05, 2024Observed: 8.68 ft at 6:00AM May 05, 2024Observed: 8.68 ft at 6:15AM May 05, 2024Observed: 8.68 ft at 6:30AM May 05, 2024Observed: 8.68 ft at 6:45AM May 05, 2024Observed: 8.68 ft at 7:00AM May 05, 2024Observed: 8.68 ft at 7:15AM May 05, 2024Observed: 8.67 ft at 7:30AM May 05, 2024Observed: 8.68 ft at 7:45AM May 05, 2024Observed: 8.67 ft at 8:00AM May 05, 2024Observed: 8.66 ft at 8:15AM May 05, 2024Observed: 8.66 ft at 8:30AM May 05, 2024Observed: 8.66 ft at 8:45AM May 05, 2024Observed: 8.66 ft at 9:00AM May 05, 2024Observed: 8.65 ft at 9:15AM May 05, 2024Observed: 8.65 ft at 9:30AM May 05, 2024Observed: 8.65 ft at 9:45AM May 05, 2024Observed: 8.64 ft at 10:00AM May 05, 2024Observed: 8.63 ft at 10:15AM May 05, 2024Observed: 8.63 ft at 10:30AM May 05, 2024Observed: 8.64 ft at 10:45AM May 05, 2024Observed: 8.64 ft at 11:00AM May 05, 2024Observed: 8.64 ft at 11:15AM May 05, 2024Observed: 8.63 ft at 11:30AM May 05, 2024Observed: 8.63 ft at 11:45AM May 05, 2024Observed: 8.63 ft at 12:00PM May 05, 2024Observed: 8.62 ft at 12:15PM May 05, 2024Observed: 8.62 ft at 12:30PM May 05, 2024Observed: 8.61 ft at 12:45PM May 05, 2024Observed: 8.61 ft at 1:00PM May 05, 2024Observed: 8.62 ft at 1:15PM May 05, 2024Observed: 8.62 ft at 1:30PM May 05, 2024Observed: 8.61 ft at 1:45PM May 05, 2024Observed: 8.61 ft at 2:00PM May 05, 2024Observed: 8.6 ft at 2:15PM May 05, 2024Observed: 8.6 ft at 2:30PM May 05, 2024Observed: 8.6 ft at 2:45PM May 05, 2024Observed: 8.6 ft at 3:00PM May 05, 2024Observed: 8.6 ft at 3:15PM May 05, 2024Observed: 8.59 ft at 3:30PM May 05, 2024Observed: 8.59 ft at 3:45PM May 05, 2024Observed: 8.6 ft at 4:00PM May 05, 2024Observed: 8.59 ft at 4:15PM May 05, 2024Observed: 8.59 ft at 4:30PM May 05, 2024Observed: 8.58 ft at 4:45PM May 05, 2024Observed: 8.58 ft at 5:00PM May 05, 2024Observed: 8.57 ft at 5:15PM May 05, 2024Observed: 8.58 ft at 5:30PM May 05, 2024Observed: 8.58 ft at 5:45PM May 05, 2024Observed: 8.58 ft at 6:00PM May 05, 2024Observed: 8.57 ft at 6:15PM May 05, 2024Observed: 8.57 ft at 6:30PM May 05, 2024Observed: 8.57 ft at 6:45PM May 05, 2024Observed: 8.57 ft at 7:00PM May 05, 2024Observed: 8.56 ft at 7:15PM May 05, 2024Observed: 8.56 ft at 7:30PM May 05, 2024Observed: 8.57 ft at 7:45PM May 05, 2024Observed: 8.57 ft at 8:00PM May 05, 2024Observed: 8.55 ft at 8:15PM May 05, 2024Observed: 8.56 ft at 8:30PM May 05, 2024Observed: 8.56 ft at 8:45PM May 05, 2024Observed: 8.55 ft at 9:00PM May 05, 2024Observed: 8.55 ft at 9:15PM May 05, 2024Observed: 8.55 ft at 9:30PM May 05, 2024Observed: 8.54 ft at 9:45PM May 05, 2024Observed: 8.54 ft at 10:00PM May 05, 2024Observed: 8.54 ft at 10:15PM May 05, 2024Observed: 8.53 ft at 10:30PM May 05, 2024Observed: 8.53 ft at 10:45PM May 05, 2024Observed: 8.54 ft at 11:00PM May 05, 2024Observed: 8.53 ft at 11:15PM May 05, 2024Observed: 8.52 ft at 11:30PM May 05, 2024Observed: 8.52 ft at 11:45PM May 05, 2024Observed: 8.53 ft at 12:00AM May 06, 2024Observed: 8.52 ft at 12:15AM May 06, 2024Observed: 8.52 ft at 12:30AM May 06, 2024Observed: 8.52 ft at 12:45AM May 06, 2024Observed: 8.51 ft at 1:00AM May 06, 2024Observed: 8.51 ft at 1:15AM May 06, 2024Observed: 8.51 ft at 1:30AM May 06, 2024Observed: 8.51 ft at 1:45AM May 06, 2024Observed: 8.51 ft at 2:00AM May 06, 2024Observed: 8.5 ft at 2:15AM May 06, 2024Observed: 8.51 ft at 2:30AM May 06, 2024Observed: 8.5 ft at 2:45AM May 06, 2024Observed: 8.5 ft at 3:00AM May 06, 2024Observed: 8.5 ft at 3:15AM May 06, 2024Observed: 8.5 ft at 3:30AM May 06, 2024Observed: 8.5 ft at 3:45AM May 06, 2024Observed: 8.49 ft at 4:00AM May 06, 2024Observed: 8.5 ft at 4:15AM May 06, 2024Observed: 8.49 ft at 4:30AM May 06, 2024Observed: 8.49 ft at 4:45AM May 06, 2024Observed: 8.49 ft at 5:00AM May 06, 2024Observed: 8.48 ft at 5:15AM May 06, 2024Observed: 8.48 ft at 5:30AM May 06, 2024Observed: 8.49 ft at 5:45AM May 06, 2024Observed: 8.48 ft at 6:00AM May 06, 2024Observed: 8.48 ft at 6:15AM May 06, 2024Observed: 8.47 ft at 6:30AM May 06, 2024Observed: 8.47 ft at 6:45AM May 06, 2024Observed: 8.47 ft at 7:00AM May 06, 2024Observed: 8.47 ft at 7:15AM May 06, 2024Observed: 8.47 ft at 7:30AM May 06, 2024Observed: 8.47 ft at 7:45AM May 06, 2024Observed: 8.46 ft at 8:00AM May 06, 2024Observed: 8.46 ft at 8:15AM May 06, 2024Observed: 8.46 ft at 8:30AM May 06, 2024Observed: 8.45 ft at 8:45AM May 06, 2024Observed: 8.46 ft at 9:00AM May 06, 2024Observed: 8.45 ft at 9:15AM May 06, 2024Observed: 8.45 ft at 9:30AM May 06, 2024Observed: 8.45 ft at 9:45AM May 06, 2024Observed: 8.45 ft at 10:00AM May 06, 2024Observed: 8.44 ft at 10:15AM May 06, 2024Observed: 8.42 ft at 10:30AM May 06, 2024Observed: 8.44 ft at 10:45AM May 06, 2024Observed: 8.44 ft at 11:00AM May 06, 2024Observed: 8.43 ft at 11:15AM May 06, 2024Observed: 8.42 ft at 11:30AM May 06, 2024Observed: 8.43 ft at 11:45AM May 06, 2024Observed: 8.42 ft at 12:00PM May 06, 2024Observed: 8.4 ft at 12:15PM May 06, 2024Observed: 8.4 ft at 12:30PM May 06, 2024Observed: 8.39 ft at 12:45PM May 06, 2024Observed: 8.39 ft at 1:00PM May 06, 2024Observed: 8.36 ft at 1:15PM May 06, 2024Observed: 8.34 ft at 1:30PM May 06, 2024Observed: 8.33 ft at 1:45PM May 06, 2024Observed: 8.31 ft at 2:00PM May 06, 2024Observed: 8.3 ft at 2:15PM May 06, 2024Observed: 8.28 ft at 2:30PM May 06, 2024Observed: 8.25 ft at 2:45PM May 06, 2024Observed: 8.24 ft at 3:00PM May 06, 2024Observed: 8.23 ft at 3:15PM May 06, 2024Observed: 8.21 ft at 3:30PM May 06, 2024Observed: 8.21 ft at 3:45PM May 06, 2024Observed: 8.2 ft at 4:00PM May 06, 2024Observed: 8.18 ft at 4:15PM May 06, 2024Observed: 8.17 ft at 4:30PM May 06, 2024Observed: 8.16 ft at 4:45PM May 06, 2024Observed: 8.14 ft at 5:00PM May 06, 2024Observed: 8.15 ft at 5:15PM May 06, 2024Observed: 8.13 ft at 5:30PM May 06, 2024Observed: 8.14 ft at 5:45PM May 06, 2024Observed: 8.13 ft at 6:00PM May 06, 2024Observed: 8.13 ft at 6:15PM May 06, 2024Observed: 8.13 ft at 6:30PM May 06, 2024Observed: 8.13 ft at 6:45PM May 06, 2024Observed: 8.12 ft at 7:00PM May 06, 2024Observed: 8.12 ft at 7:15PM May 06, 2024Observed: 8.11 ft at 7:30PM May 06, 2024Observed: 8.11 ft at 7:45PM May 06, 2024Observed: 8.11 ft at 8:00PM May 06, 2024Observed: 8.11 ft at 8:15PM May 06, 2024Observed: 8.11 ft at 8:30PM May 06, 2024Observed: 8.12 ft at 8:45PM May 06, 2024Observed: 8.12 ft at 9:00PM May 06, 2024Observed: 8.13 ft at 9:15PM May 06, 2024Observed: 8.12 ft at 9:30PM May 06, 2024Observed: 8.13 ft at 9:45PM May 06, 2024Observed: 8.13 ft at 10:00PM May 06, 2024Observed: 8.13 ft at 10:15PM May 06, 2024Observed: 8.13 ft at 10:30PM May 06, 2024Observed: 8.14 ft at 10:45PM May 06, 2024Observed: 8.14 ft at 11:00PM May 06, 2024Observed: 8.15 ft at 11:15PM May 06, 2024Observed: 8.15 ft at 11:30PM May 06, 2024Observed: 8.16 ft at 11:45PM May 06, 2024Observed: 8.16 ft at 12:00AM May 07, 2024Observed: 8.16 ft at 12:15AM May 07, 2024Observed: 8.17 ft at 12:30AM May 07, 2024Observed: 8.17 ft at 12:45AM May 07, 2024Observed: 8.18 ft at 1:00AM May 07, 2024Observed: 8.17 ft at 1:15AM May 07, 2024Observed: 8.18 ft at 1:30AM May 07, 2024Observed: 8.18 ft at 1:45AM May 07, 2024Observed: 8.19 ft at 2:00AM May 07, 2024Observed: 8.18 ft at 2:15AM May 07, 2024Observed: 8.19 ft at 2:30AM May 07, 2024Observed: 8.19 ft at 2:45AM May 07, 2024Observed: 8.19 ft at 3:00AM May 07, 2024Observed: 8.2 ft at 3:15AM May 07, 2024Observed: 8.2 ft at 3:30AM May 07, 2024Observed: 8.21 ft at 3:45AM May 07, 2024Observed: 8.21 ft at 4:00AM May 07, 2024Observed: 8.21 ft at 4:15AM May 07, 2024Observed: 8.21 ft at 4:30AM May 07, 2024Observed: 8.21 ft at 4:45AM May 07, 2024Observed: 8.21 ft at 5:00AM May 07, 2024Observed: 8.22 ft at 5:15AM May 07, 2024Observed: 8.22 ft at 5:30AM May 07, 2024Observed: 8.22 ft at 5:45AM May 07, 2024Observed: 8.22 ft at 6:00AM May 07, 2024Observed: 8.22 ft at 6:15AM May 07, 2024Observed: 8.22 ft at 6:30AM May 07, 2024Observed: 8.22 ft at 6:45AM May 07, 2024Observed: 8.23 ft at 7:00AM May 07, 2024Observed: 8.26 ft at 7:15AM May 07, 2024Observed: 8.29 ft at 7:30AM May 07, 2024Observed: 8.29 ft at 7:45AM May 07, 2024Observed: 8.28 ft at 8:00AM May 07, 2024Observed: 8.28 ft at 8:15AM May 07, 2024Observed: 8.29 ft at 8:30AM May 07, 2024Observed: 8.28 ft at 8:45AM May 07, 2024Observed: 8.28 ft at 9:00AM May 07, 2024Observed: 8.28 ft at 9:15AM May 07, 2024Observed: 8.28 ft at 9:30AM May 07, 2024Observed: 8.28 ft at 9:45AM May 07, 2024Observed: 8.29 ft at 10:00AM May 07, 2024Observed: 8.28 ft at 10:15AM May 07, 2024Observed: 8.29 ft at 10:30AM May 07, 2024Observed: 8.28 ft at 10:45AM May 07, 2024Observed: 8.28 ft at 11:00AM May 07, 2024Observed: 8.29 ft at 11:15AM May 07, 2024Observed: 8.29 ft at 11:30AM May 07, 2024Observed: 8.3 ft at 11:45AM May 07, 2024Observed: 8.31 ft at 12:00PM May 07, 2024Observed: 8.31 ft at 12:15PM May 07, 2024Observed: 8.32 ft at 12:30PM May 07, 2024Observed: 8.33 ft at 12:45PM May 07, 2024Observed: 8.33 ft at 1:00PM May 07, 2024Observed: 8.34 ft at 1:15PM May 07, 2024Observed: 8.48 ft at 1:30PM May 07, 2024Observed: 8.49 ft at 1:45PM May 07, 2024Observed: 8.45 ft at 2:00PM May 07, 2024Observed: 8.47 ft at 2:15PM May 07, 2024Observed: 8.48 ft at 2:30PM May 07, 2024Observed: 8.5 ft at 2:45PM May 07, 2024Observed: 8.51 ft at 3:00PM May 07, 2024Observed: 8.52 ft at 3:15PM May 07, 2024Observed: 8.52 ft at 3:30PM May 07, 2024Observed: 8.53 ft at 3:45PM May 07, 2024Observed: 8.56 ft at 4:00PM May 07, 2024Observed: 8.58 ft at 4:15PM May 07, 2024Observed: 8.61 ft at 4:30PM May 07, 2024Observed: 8.64 ft at 4:45PM May 07, 2024Observed: 8.67 ft at 5:00PM May 07, 2024Observed: 8.7 ft at 5:15PM May 07, 2024Observed: 8.74 ft at 5:30PM May 07, 2024Observed: 8.79 ft at 5:45PM May 07, 2024Observed: 8.84 ft at 6:00PM May 07, 2024Observed: 8.88 ft at 6:15PM May 07, 2024Observed: 8.92 ft at 6:30PM May 07, 2024Observed: 8.96 ft at 6:45PM May 07, 2024Observed: 9 ft at 7:00PM May 07, 2024Observed: 9.04 ft at 7:15PM May 07, 2024Observed: 9.09 ft at 7:30PM May 07, 2024Observed: 9.12 ft at 7:45PM May 07, 2024Observed: 9.16 ft at 8:00PM May 07, 2024Observed: 9.19 ft at 8:15PM May 07, 2024Observed: 9.23 ft at 8:30PM May 07, 2024Observed: 9.25 ft at 8:45PM May 07, 2024Observed: 9.28 ft at 9:00PM May 07, 2024Observed: 9.31 ft at 9:15PM May 07, 2024Observed: 9.32 ft at 9:30PM May 07, 2024Observed: 9.34 ft at 9:45PM May 07, 2024Observed: 9.35 ft at 10:00PM May 07, 2024Observed: 9.37 ft at 10:15PM May 07, 2024Observed: 9.37 ft at 10:30PM May 07, 2024Observed: 9.39 ft at 10:45PM May 07, 2024Observed: 9.39 ft at 11:00PM May 07, 2024Observed: 9.39 ft at 11:15PM May 07, 2024Observed: 9.4 ft at 11:30PM May 07, 2024Highest Observation: 9.41 ft at 11:45PM May 07, 2024Highest Observation: 9.41 ft at 12:00AM May 08, 2024Highest Observation: 9.41 ft at 12:15AM May 08, 2024Highest Observation: 9.41 ft at 12:30AM May 08, 2024Highest Observation: 9.41 ft at 12:45AM May 08, 2024Highest Observation: 9.41 ft at 1:00AM May 08, 2024Observed: 9.4 ft at 1:15AM May 08, 2024Observed: 9.4 ft at 1:30AM May 08, 2024Observed: 9.4 ft at 1:45AM May 08, 2024Observed: 9.4 ft at 2:00AM May 08, 2024Observed: 9.39 ft at 2:15AM May 08, 2024Observed: 9.38 ft at 2:30AM May 08, 2024Observed: 9.37 ft at 2:45AM May 08, 2024Observed: 9.37 ft at 3:00AM May 08, 2024Observed: 9.37 ft at 3:15AM May 08, 2024Observed: 9.36 ft at 3:30AM May 08, 2024Observed: 9.36 ft at 3:45AM May 08, 2024Observed: 9.35 ft at 4:00AM May 08, 2024Observed: 9.35 ft at 4:15AM May 08, 2024Observed: 9.35 ft at 4:30AM May 08, 2024Observed: 9.34 ft at 4:45AM May 08, 2024Observed: 9.34 ft at 5:00AM May 08, 2024Observed: 9.32 ft at 5:15AM May 08, 2024Observed: 9.33 ft at 5:30AM May 08, 2024Observed: 9.32 ft at 5:45AM May 08, 2024Observed: 9.31 ft at 6:00AM May 08, 2024Observed: 9.31 ft at 6:15AM May 08, 2024Observed: 9.31 ft at 6:30AM May 08, 2024Observed: 9.31 ft at 6:45AM May 08, 2024Observed: 9.3 ft at 7:00AM May 08, 2024Observed: 9.29 ft at 7:15AM May 08, 2024Observed: 9.29 ft at 7:30AM May 08, 2024Observed: 9.28 ft at 7:45AM May 08, 2024Observed: 9.27 ft at 8:00AM May 08, 2024Observed: 9.26 ft at 8:15AM May 08, 2024Observed: 9.25 ft at 8:30AM May 08, 2024Observed: 9.26 ft at 8:45AM May 08, 2024Observed: 9.25 ft at 9:00AM May 08, 2024Observed: 9.24 ft at 9:15AM May 08, 2024Observed: 9.24 ft at 9:30AM May 08, 2024Observed: 9.23 ft at 9:45AM May 08, 2024Observed: 9.22 ft at 10:00AM May 08, 2024Observed: 9.23 ft at 10:15AM May 08, 2024Observed: 9.21 ft at 10:30AM May 08, 2024Observed: 9.21 ft at 10:45AM May 08, 2024Observed: 9.2 ft at 11:00AM May 08, 2024Observed: 9.2 ft at 11:15AM May 08, 2024Observed: 9.2 ft at 11:30AM May 08, 2024Observed: 9.18 ft at 11:45AM May 08, 2024Observed: 9.19 ft at 12:00PM May 08, 2024Observed: 9.18 ft at 12:15PM May 08, 2024Observed: 9.18 ft at 12:30PM May 08, 2024Observed: 9.17 ft at 12:45PM May 08, 2024Observed: 9.17 ft at 1:00PM May 08, 2024Observed: 9.17 ft at 1:15PM May 08, 2024Observed: 9.16 ft at 1:30PM May 08, 2024Observed: 9.16 ft at 1:45PM May 08, 2024Observed: 9.16 ft at 2:00PM May 08, 2024Observed: 9.13 ft at 2:15PM May 08, 2024Observed: 9.14 ft at 2:30PM May 08, 2024Observed: 9.15 ft at 2:45PM May 08, 2024Observed: 9.14 ft at 3:00PM May 08, 2024Observed: 9.13 ft at 3:15PM May 08, 2024Observed: 9.13 ft at 3:30PM May 08, 2024Observed: 9.13 ft at 3:45PM May 08, 2024Observed: 9.12 ft at 4:00PM May 08, 2024Observed: 9.13 ft at 4:15PM May 08, 2024Observed: 9.12 ft at 4:30PM May 08, 2024Observed: 9.12 ft at 4:45PM May 08, 2024Observed: 9.13 ft at 5:00PM May 08, 2024Observed: 9.12 ft at 5:15PM May 08, 2024Observed: 9.12 ft at 5:30PM May 08, 2024Observed: 9.12 ft at 5:45PM May 08, 2024Observed: 9.12 ft at 6:00PM May 08, 2024Observed: 9.11 ft at 6:15PM May 08, 2024Observed: 9.11 ft at 6:30PM May 08, 2024Observed: 9.11 ft at 6:45PM May 08, 2024Observed: 9.11 ft at 7:00PM May 08, 2024Observed: 9.11 ft at 7:15PM May 08, 2024Observed: 9.11 ft at 7:30PM May 08, 2024Observed: 9.09 ft at 7:45PM May 08, 2024Observed: 9.1 ft at 8:00PM May 08, 2024Observed: 9.1 ft at 8:15PM May 08, 2024Observed: 9.1 ft at 8:30PM May 08, 2024Observed: 9.09 ft at 8:45PM May 08, 2024Observed: 9.09 ft at 9:00PM May 08, 2024Observed: 9.09 ft at 9:15PM May 08, 2024Observed: 9.09 ft at 9:30PM May 08, 2024Observed: 9.09 ft at 9:45PM May 08, 2024Observed: 9.08 ft at 10:00PM May 08, 2024Observed: 9.08 ft at 10:15PM May 08, 2024Observed: 9.08 ft at 10:30PM May 08, 2024Observed: 9.08 ft at 10:45PM May 08, 2024Observed: 9.07 ft at 11:00PM May 08, 2024Observed: 9.08 ft at 11:15PM May 08, 2024Observed: 9.07 ft at 11:30PM May 08, 2024Observed: 9.07 ft at 11:45PM May 08, 2024Observed: 9.06 ft at 12:00AM May 09, 2024Observed: 9.06 ft at 12:15AM May 09, 2024Observed: 9.07 ft at 12:30AM May 09, 2024Observed: 9.05 ft at 12:45AM May 09, 2024Observed: 9.05 ft at 1:00AM May 09, 2024Observed: 9.05 ft at 1:15AM May 09, 2024Observed: 9.04 ft at 1:30AM May 09, 2024Observed: 9.05 ft at 1:45AM May 09, 2024Observed: 9.04 ft at 2:00AM May 09, 2024Observed: 9.05 ft at 2:15AM May 09, 2024Observed: 9.05 ft at 2:30AM May 09, 2024Observed: 9.04 ft at 2:45AM May 09, 2024Observed: 9.04 ft at 3:00AM May 09, 2024Observed: 9.05 ft at 3:15AM May 09, 2024Observed: 9.06 ft at 3:30AM May 09, 2024Observed: 9.05 ft at 3:45AM May 09, 2024Observed: 9.05 ft at 4:00AM May 09, 2024Observed: 9.05 ft at 4:15AM May 09, 2024Observed: 9.05 ft at 4:30AM May 09, 2024Observed: 9.05 ft at 4:45AM May 09, 2024Observed: 9.05 ft at 5:00AM May 09, 2024Observed: 9.03 ft at 5:15AM May 09, 2024Observed: 9.05 ft at 5:30AM May 09, 2024Observed: 9.04 ft at 5:45AM May 09, 2024Observed: 9.04 ft at 6:00AM May 09, 2024Observed: 9.04 ft at 6:15AM May 09, 2024Observed: 9.04 ft at 6:30AM May 09, 2024Observed: 9.04 ft at 6:45AM May 09, 2024Observed: 9.04 ft at 7:00AM May 09, 2024Observed: 9.04 ft at 7:15AM May 09, 2024Observed: 9.03 ft at 7:30AM May 09, 2024Observed: 9.03 ft at 7:45AM May 09, 2024Observed: 9.01 ft at 8:00AM May 09, 2024Observed: 9.02 ft at 8:15AM May 09, 2024Observed: 9.02 ft at 8:30AM May 09, 2024Observed: 9.02 ft at 8:45AM May 09, 2024Observed: 9.01 ft at 9:00AM May 09, 2024Observed: 9.02 ft at 9:15AM May 09, 2024Observed: 9.01 ft at 9:30AM May 09, 2024Observed: 9 ft at 9:45AM May 09, 2024Observed: 9 ft at 10:00AM May 09, 2024Observed: 9.01 ft at 10:15AM May 09, 2024Observed: 9.01 ft at 10:30AM May 09, 2024Observed: 9 ft at 10:45AM May 09, 2024Observed: 9 ft at 11:00AM May 09, 2024Observed: 9 ft at 11:15AM May 09, 2024Observed: 9.01 ft at 11:30AM May 09, 2024Observed: 9.01 ft at 11:45AM May 09, 2024Observed: 8.99 ft at 12:00PM May 09, 2024Observed: 9 ft at 12:15PM May 09, 2024Observed: 9 ft at 12:30PM May 09, 2024Observed: 9 ft at 12:45PM May 09, 2024Observed: 9 ft at 1:00PM May 09, 2024Observed: 9 ft at 1:15PM May 09, 2024Observed: 8.99 ft at 1:30PM May 09, 2024Observed: 9 ft at 1:45PM May 09, 2024Observed: 8.99 ft at 2:00PM May 09, 2024Observed: 8.99 ft at 2:15PM May 09, 2024Observed: 8.99 ft at 2:30PM May 09, 2024Observed: 8.99 ft at 2:45PM May 09, 2024Observed: 8.99 ft at 3:00PM May 09, 2024Observed: 9 ft at 3:15PM May 09, 2024Observed: 8.99 ft at 3:30PM May 09, 2024Observed: 8.99 ft at 3:45PM May 09, 2024Observed: 8.99 ft at 4:00PM May 09, 2024Observed: 8.98 ft at 4:15PM May 09, 2024Observed: 8.98 ft at 4:30PM May 09, 2024Observed: 8.99 ft at 4:45PM May 09, 2024Observed: 8.98 ft at 5:00PM May 09, 2024Observed: 8.97 ft at 5:15PM May 09, 2024Observed: 8.98 ft at 5:30PM May 09, 2024Observed: 8.97 ft at 5:45PM May 09, 2024Observed: 8.97 ft at 6:00PM May 09, 2024Observed: 8.97 ft at 6:15PM May 09, 2024Observed: 8.96 ft at 6:30PM May 09, 2024Observed: 8.96 ft at 6:45PM May 09, 2024Observed: 8.95 ft at 7:00PM May 09, 2024Observed: 8.95 ft at 7:15PM May 09, 2024Observed: 8.94 ft at 7:30PM May 09, 2024Observed: 8.94 ft at 7:45PM May 09, 2024Observed: 8.94 ft at 8:00PM May 09, 2024Observed: 8.94 ft at 8:15PM May 09, 2024Observed: 8.93 ft at 8:30PM May 09, 2024Observed: 8.93 ft at 8:45PM May 09, 2024Observed: 8.92 ft at 9:00PM May 09, 2024Observed: 8.91 ft at 9:15PM May 09, 2024Observed: 8.91 ft at 9:30PM May 09, 2024Observed: 8.91 ft at 9:45PM May 09, 2024Observed: 8.9 ft at 10:00PM May 09, 2024Observed: 8.9 ft at 10:15PM May 09, 2024Observed: 8.9 ft at 10:30PM May 09, 2024Observed: 8.9 ft at 10:45PM May 09, 2024Observed: 8.89 ft at 11:00PM May 09, 2024Observed: 8.88 ft at 11:15PM May 09, 2024Observed: 8.88 ft at 11:30PM May 09, 2024Observed: 8.88 ft at 11:45PM May 09, 2024Observed: 8.88 ft at 12:00AM May 10, 2024Observed: 8.88 ft at 12:15AM May 10, 2024Observed: 8.88 ft at 12:30AM May 10, 2024Observed: 8.87 ft at 12:45AM May 10, 2024Observed: 8.87 ft at 1:00AM May 10, 2024Observed: 8.87 ft at 1:15AM May 10, 2024Observed: 8.86 ft at 1:30AM May 10, 2024Observed: 8.87 ft at 1:45AM May 10, 2024Observed: 8.86 ft at 2:00AM May 10, 2024Observed: 8.86 ft at 2:15AM May 10, 2024Observed: 8.85 ft at 2:30AM May 10, 2024Observed: 8.85 ft at 2:45AM May 10, 2024Observed: 8.85 ft at 3:00AM May 10, 2024Observed: 8.85 ft at 3:15AM May 10, 2024Observed: 8.84 ft at 3:30AM May 10, 2024Observed: 8.84 ft at 3:45AM May 10, 2024Observed: 8.83 ft at 4:00AM May 10, 2024Observed: 8.83 ft at 4:15AM May 10, 2024Observed: 8.83 ft at 4:30AM May 10, 2024Observed: 8.83 ft at 4:45AM May 10, 2024Observed: 8.83 ft at 5:00AM May 10, 2024Observed: 8.82 ft at 5:15AM May 10, 2024Observed: 8.82 ft at 5:30AM May 10, 2024Observed: 8.81 ft at 5:45AM May 10, 2024Observed: 8.82 ft at 6:00AM May 10, 2024Observed: 8.8 ft at 6:15AM May 10, 2024Observed: 8.8 ft at 6:30AM May 10, 2024Observed: 8.8 ft at 6:45AM May 10, 2024Observed: 8.8 ft at 7:00AM May 10, 2024Observed: 8.8 ft at 7:15AM May 10, 2024Observed: 8.79 ft at 7:30AM May 10, 2024Observed: 8.8 ft at 7:45AM May 10, 2024Observed: 8.8 ft at 8:00AM May 10, 2024Observed: 8.79 ft at 8:15AM May 10, 2024Observed: 8.79 ft at 8:30AM May 10, 2024Observed: 8.78 ft at 8:45AM May 10, 2024Observed: 8.78 ft at 9:00AM May 10, 2024Observed: 8.77 ft at 9:15AM May 10, 2024Observed: 8.78 ft at 9:30AM May 10, 2024Observed: 8.77 ft at 9:45AM May 10, 2024Observed: 8.77 ft at 10:00AM May 10, 2024Observed: 8.77 ft at 10:15AM May 10, 2024Observed: 8.77 ft at 10:30AM May 10, 2024Observed: 8.78 ft at 10:45AM May 10, 2024Observed: 8.77 ft at 11:00AM May 10, 2024Observed: 8.76 ft at 11:15AM May 10, 2024Observed: 8.77 ft at 11:30AM May 10, 2024Observed: 8.76 ft at 11:45AM May 10, 2024Observed: 8.76 ft at 12:00PM May 10, 2024Observed: 8.77 ft at 12:15PM May 10, 2024Observed: 8.75 ft at 12:30PM May 10, 2024Observed: 8.77 ft at 12:45PM May 10, 2024Observed: 8.75 ft at 1:00PM May 10, 2024Observed: 8.75 ft at 1:15PM May 10, 2024Observed: 8.76 ft at 1:30PM May 10, 2024Observed: 8.75 ft at 1:45PM May 10, 2024Observed: 8.75 ft at 2:00PM May 10, 2024Observed: 8.75 ft at 2:15PM May 10, 2024Observed: 8.75 ft at 2:30PM May 10, 2024Observed: 8.73 ft at 2:45PM May 10, 2024Observed: 8.74 ft at 3:00PM May 10, 2024Observed: 8.73 ft at 3:15PM May 10, 2024Observed: 8.73 ft at 3:30PM May 10, 2024Observed: 8.73 ft at 3:45PM May 10, 2024Observed: 8.71 ft at 4:00PM May 10, 2024Observed: 8.71 ft at 4:15PM May 10, 2024Observed: 8.71 ft at 4:30PM May 10, 2024Observed: 8.72 ft at 4:45PM May 10, 2024Observed: 8.71 ft at 5:00PM May 10, 2024Observed: 8.72 ft at 5:15PM May 10, 2024Observed: 8.71 ft at 5:30PM May 10, 2024Observed: 8.72 ft at 5:45PM May 10, 2024Observed: 8.71 ft at 6:00PM May 10, 2024Observed: 8.71 ft at 6:15PM May 10, 2024Observed: 8.7 ft at 6:30PM May 10, 2024Observed: 8.72 ft at 6:45PM May 10, 2024Observed: 8.7 ft at 7:00PM May 10, 2024Observed: 8.7 ft at 7:15PM May 10, 2024USGS--Water Resources of the United StatesBYRI2(plotting HGIRG) Graph Created (7:27PM May 10, 2024)ObservedLatest observed value: 8.7 ft at 7:15 PM CDT 10-May-2024. Flood Stage is 13 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: NAVD88
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 Rock River at Byron 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: 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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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
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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
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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:
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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
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Romeoville, IL 60446
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