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Hydrograph River at a Glance Download
Old River near Byron Ca (Old River at Hwy 4) Stage (ft)Observed: 4.34 ft at 4:15AM May 20, 2022Observed: 4.4 ft at 4:30AM May 20, 2022Observed: 4.49 ft at 4:45AM May 20, 2022Observed: 4.6 ft at 5:00AM May 20, 2022Observed: 4.7 ft at 5:15AM May 20, 2022Observed: 4.81 ft at 5:30AM May 20, 2022Observed: 4.92 ft at 5:45AM May 20, 2022Observed: 5.02 ft at 6:00AM May 20, 2022Observed: 5.12 ft at 6:15AM May 20, 2022Observed: 5.24 ft at 6:30AM May 20, 2022Observed: 5.34 ft at 6:45AM May 20, 2022Observed: 5.44 ft at 7:00AM May 20, 2022Observed: 5.54 ft at 7:15AM May 20, 2022Observed: 5.66 ft at 7:30AM May 20, 2022Observed: 5.76 ft at 7:45AM May 20, 2022Observed: 5.85 ft at 8:00AM May 20, 2022Observed: 5.95 ft at 8:15AM May 20, 2022Observed: 6.05 ft at 8:30AM May 20, 2022Observed: 6.14 ft at 8:45AM May 20, 2022Observed: 6.22 ft at 9:00AM May 20, 2022Observed: 6.26 ft at 9:15AM May 20, 2022Observed: 6.31 ft at 9:30AM May 20, 2022Highest Observation: 6.34 ft at 9:45AM May 20, 2022Observed: 6.33 ft at 10:00AM May 20, 2022Observed: 6.29 ft at 10:15AM May 20, 2022Observed: 6.21 ft at 10:30AM May 20, 2022Observed: 6.12 ft at 10:45AM May 20, 2022Observed: 6.03 ft at 11:00AM May 20, 2022Observed: 5.9 ft at 11:15AM May 20, 2022Observed: 5.79 ft at 11:30AM May 20, 2022Observed: 5.66 ft at 11:45AM May 20, 2022Observed: 5.54 ft at 12:00PM May 20, 2022Observed: 5.42 ft at 12:15PM May 20, 2022Observed: 5.31 ft at 12:30PM May 20, 2022Observed: 5.19 ft at 12:45PM May 20, 2022Observed: 5.06 ft at 1:00PM May 20, 2022Observed: 4.94 ft at 1:15PM May 20, 2022Observed: 4.82 ft at 1:30PM May 20, 2022Observed: 4.69 ft at 1:45PM May 20, 2022Observed: 4.57 ft at 2:00PM May 20, 2022Observed: 4.45 ft at 2:15PM May 20, 2022Observed: 4.32 ft at 2:30PM May 20, 2022Observed: 4.2 ft at 2:45PM May 20, 2022Observed: 4.08 ft at 3:00PM May 20, 2022Observed: 3.94 ft at 3:15PM May 20, 2022Observed: 3.82 ft at 3:30PM May 20, 2022Observed: 3.7 ft at 3:45PM May 20, 2022Observed: 3.58 ft at 4:00PM May 20, 2022Observed: 3.45 ft at 4:15PM May 20, 2022Observed: 3.33 ft at 4:30PM May 20, 2022Observed: 3.21 ft at 4:45PM May 20, 2022Observed: 3.09 ft at 5:00PM May 20, 2022Observed: 2.97 ft at 5:15PM May 20, 2022Observed: 2.86 ft at 5:30PM May 20, 2022Observed: 2.75 ft at 5:45PM May 20, 2022Observed: 2.66 ft at 6:00PM May 20, 2022Observed: 2.57 ft at 6:15PM May 20, 2022Observed: 2.5 ft at 6:30PM May 20, 2022Observed: 2.47 ft at 6:45PM May 20, 2022Observed: 2.49 ft at 7:00PM May 20, 2022Observed: 2.56 ft at 7:15PM May 20, 2022Observed: 2.67 ft at 7:30PM May 20, 2022Observed: 2.8 ft at 7:45PM May 20, 2022Observed: 2.93 ft at 8:00PM May 20, 2022Observed: 3.07 ft at 8:15PM May 20, 2022Observed: 3.2 ft at 8:30PM May 20, 2022Observed: 3.32 ft at 8:45PM May 20, 2022Observed: 3.44 ft at 9:00PM May 20, 2022Observed: 3.56 ft at 9:15PM May 20, 2022Observed: 3.68 ft at 9:30PM May 20, 2022Observed: 3.8 ft at 9:45PM May 20, 2022Observed: 3.91 ft at 10:00PM May 20, 2022Observed: 4.02 ft at 10:15PM May 20, 2022Observed: 4.13 ft at 10:30PM May 20, 2022Observed: 4.24 ft at 10:45PM May 20, 2022Observed: 4.34 ft at 11:00PM May 20, 2022Observed: 4.45 ft at 11:15PM May 20, 2022Observed: 4.55 ft at 11:30PM May 20, 2022Observed: 4.65 ft at 11:45PM May 20, 2022Observed: 4.74 ft at 12:00AM May 21, 2022Observed: 4.82 ft at 12:15AM May 21, 2022Observed: 4.9 ft at 12:30AM May 21, 2022Observed: 4.96 ft at 12:45AM May 21, 2022Observed: 5 ft at 1:00AM May 21, 2022Observed: 5.02 ft at 1:15AM May 21, 2022Observed: 5.03 ft at 1:30AM May 21, 2022Observed: 5.01 ft at 1:45AM May 21, 2022Observed: 4.96 ft at 2:00AM May 21, 2022Observed: 4.9 ft at 2:15AM May 21, 2022Observed: 4.82 ft at 2:30AM May 21, 2022Observed: 4.73 ft at 2:45AM May 21, 2022Observed: 4.63 ft at 3:00AM May 21, 2022Observed: 4.54 ft at 3:15AM May 21, 2022Observed: 4.46 ft at 3:30AM May 21, 2022Observed: 4.37 ft at 3:45AM May 21, 2022Observed: 4.25 ft at 4:00AM May 21, 2022Observed: 4.15 ft at 4:15AM May 21, 2022Observed: 4.05 ft at 4:30AM May 21, 2022Observed: 3.99 ft at 4:45AM May 21, 2022Observed: 3.93 ft at 5:00AM May 21, 2022Observed: 3.92 ft at 5:15AM May 21, 2022Observed: 3.94 ft at 5:30AM May 21, 2022Observed: 4 ft at 5:45AM May 21, 2022Observed: 4.08 ft at 6:00AM May 21, 2022Observed: 4.21 ft at 6:15AM May 21, 2022Observed: 4.33 ft at 6:30AM May 21, 2022Observed: 4.48 ft at 6:45AM May 21, 2022Observed: 4.6 ft at 7:00AM May 21, 2022Observed: 4.73 ft at 7:15AM May 21, 2022Observed: 4.85 ft at 7:30AM May 21, 2022Observed: 4.96 ft at 7:45AM May 21, 2022Observed: 5.08 ft at 8:00AM May 21, 2022Observed: 5.18 ft at 8:15AM May 21, 2022Observed: 5.29 ft at 8:30AM May 21, 2022Observed: 5.39 ft at 8:45AM May 21, 2022Observed: 5.49 ft at 9:00AM May 21, 2022Observed: 5.59 ft at 9:15AM May 21, 2022Observed: 5.68 ft at 9:30AM May 21, 2022Observed: 5.76 ft at 9:45AM May 21, 2022Observed: 5.83 ft at 10:00AM May 21, 2022Observed: 5.89 ft at 10:15AM May 21, 2022Observed: 5.92 ft at 10:30AM May 21, 2022Observed: 5.94 ft at 10:45AM May 21, 2022Observed: 5.93 ft at 11:00AM May 21, 2022Observed: 5.89 ft at 11:15AM May 21, 2022Observed: 5.82 ft at 11:30AM May 21, 2022Observed: 5.72 ft at 11:45AM May 21, 2022Observed: 5.61 ft at 12:00PM May 21, 2022Observed: 5.48 ft at 12:15PM May 21, 2022Observed: 5.36 ft at 12:30PM May 21, 2022Observed: 5.24 ft at 12:45PM May 21, 2022Observed: 5.11 ft at 1:00PM May 21, 2022Observed: 5 ft at 1:15PM May 21, 2022Observed: 4.88 ft at 1:30PM May 21, 2022Observed: 4.76 ft at 1:45PM May 21, 2022Observed: 4.64 ft at 2:00PM May 21, 2022Observed: 4.54 ft at 2:15PM May 21, 2022Observed: 4.42 ft at 2:30PM May 21, 2022Observed: 4.3 ft at 2:45PM May 21, 2022Observed: 4.18 ft at 3:00PM May 21, 2022Observed: 4.06 ft at 3:15PM May 21, 2022Observed: 3.95 ft at 3:30PM May 21, 2022Observed: 3.83 ft at 3:45PM May 21, 2022Observed: 3.7 ft at 4:00PM May 21, 2022Observed: 3.01 ft at 5:30PM May 21, 2022Observed: 2.9 ft at 5:45PM May 21, 2022Observed: 2.78 ft at 6:00PM May 21, 2022Observed: 2.69 ft at 6:15PM May 21, 2022Observed: 2.59 ft at 6:30PM May 21, 2022Observed: 2.5 ft at 6:45PM May 21, 2022Observed: 2.42 ft at 7:00PM May 21, 2022Observed: 2.37 ft at 7:15PM May 21, 2022Observed: 2.36 ft at 7:30PM May 21, 2022Observed: 2.39 ft at 7:45PM May 21, 2022Observed: 2.47 ft at 8:00PM May 21, 2022Observed: 2.58 ft at 8:15PM May 21, 2022Observed: 2.71 ft at 8:30PM May 21, 2022Observed: 2.85 ft at 8:45PM May 21, 2022Observed: 2.99 ft at 9:00PM May 21, 2022Observed: 3.12 ft at 9:15PM May 21, 2022Observed: 3.24 ft at 9:30PM May 21, 2022Observed: 3.36 ft at 9:45PM May 21, 2022Observed: 3.49 ft at 10:00PM May 21, 2022Observed: 3.61 ft at 10:15PM May 21, 2022Observed: 3.73 ft at 10:30PM May 21, 2022Observed: 3.86 ft at 10:45PM May 21, 2022Observed: 3.98 ft at 11:00PM May 21, 2022Observed: 4.1 ft at 11:15PM May 21, 2022Observed: 4.21 ft at 11:30PM May 21, 2022Observed: 4.33 ft at 11:45PM May 21, 2022Observed: 4.44 ft at 12:00AM May 22, 2022Observed: 4.55 ft at 12:15AM May 22, 2022Observed: 4.66 ft at 12:30AM May 22, 2022Observed: 4.75 ft at 12:45AM May 22, 2022Observed: 4.84 ft at 1:00AM May 22, 2022Observed: 4.92 ft at 1:15AM May 22, 2022Observed: 4.99 ft at 1:30AM May 22, 2022Observed: 5.04 ft at 1:45AM May 22, 2022Observed: 5.09 ft at 2:00AM May 22, 2022Observed: 5.11 ft at 2:15AM May 22, 2022Observed: 5.11 ft at 2:30AM May 22, 2022Observed: 5.09 ft at 2:45AM May 22, 2022Observed: 5.05 ft at 3:00AM May 22, 2022Observed: 4.98 ft at 3:15AM May 22, 2022Observed: 4.9 ft at 3:30AM May 22, 2022Observed: 4.81 ft at 3:45AM May 22, 2022Observed: 4.7 ft at 4:00AM May 22, 2022Observed: 4.6 ft at 4:15AM May 22, 2022Observed: 4.51 ft at 4:30AM May 22, 2022Observed: 4.37 ft at 4:45AM May 22, 2022Observed: 4.24 ft at 5:00AM May 22, 2022Observed: 4.13 ft at 5:15AM May 22, 2022Observed: 4.01 ft at 5:30AM May 22, 2022Observed: 3.89 ft at 5:45AM May 22, 2022Observed: 3.81 ft at 6:00AM May 22, 2022Observed: 3.75 ft at 6:15AM May 22, 2022Observed: 3.71 ft at 6:30AM May 22, 2022Observed: 3.71 ft at 6:45AM May 22, 2022Observed: 3.74 ft at 7:00AM May 22, 2022Observed: 3.8 ft at 7:15AM May 22, 2022Observed: 3.97 ft at 7:30AM May 22, 2022Observed: 4.06 ft at 7:45AM May 22, 2022Observed: 4.18 ft at 8:00AM May 22, 2022Observed: 4.31 ft at 8:15AM May 22, 2022Observed: 4.44 ft at 8:30AM May 22, 2022Observed: 4.53 ft at 8:45AM May 22, 2022Observed: 4.64 ft at 9:00AM May 22, 2022Observed: 4.74 ft at 9:15AM May 22, 2022Observed: 4.84 ft at 9:30AM May 22, 2022Observed: 4.94 ft at 9:45AM May 22, 2022Observed: 5.03 ft at 10:00AM May 22, 2022Observed: 5.13 ft at 10:15AM May 22, 2022Observed: 5.22 ft at 10:30AM May 22, 2022Observed: 5.31 ft at 10:45AM May 22, 2022Observed: 5.39 ft at 11:00AM May 22, 2022Observed: 5.46 ft at 11:15AM May 22, 2022Observed: 5.52 ft at 11:30AM May 22, 2022Observed: 5.55 ft at 11:45AM May 22, 2022Observed: 5.56 ft at 12:00PM May 22, 2022Observed: 5.54 ft at 12:15PM May 22, 2022Observed: 5.5 ft at 12:30PM May 22, 2022Observed: 5.43 ft at 12:45PM May 22, 2022Observed: 5.34 ft at 1:00PM May 22, 2022Observed: 5.23 ft at 1:15PM May 22, 2022Observed: 5.11 ft at 1:30PM May 22, 2022Observed: 4.98 ft at 1:45PM May 22, 2022Observed: 4.86 ft at 2:00PM May 22, 2022Observed: 4.75 ft at 2:15PM May 22, 2022Observed: 4.63 ft at 2:30PM May 22, 2022Observed: 4.52 ft at 2:45PM May 22, 2022Observed: 4.4 ft at 3:00PM May 22, 2022Observed: 4.28 ft at 3:15PM May 22, 2022Observed: 4.18 ft at 3:30PM May 22, 2022Observed: 4.06 ft at 3:45PM May 22, 2022Observed: 3.94 ft at 4:00PM May 22, 2022Observed: 3.83 ft at 4:15PM May 22, 2022Observed: 3.71 ft at 4:30PM May 22, 2022Observed: 3.6 ft at 4:45PM May 22, 2022Observed: 3.49 ft at 5:00PM May 22, 2022Observed: 3.37 ft at 5:15PM May 22, 2022Observed: 3.26 ft at 5:30PM May 22, 2022Observed: 3.15 ft at 5:45PM May 22, 2022Observed: 3.05 ft at 6:00PM May 22, 2022Observed: 2.94 ft at 6:15PM May 22, 2022Observed: 2.84 ft at 6:30PM May 22, 2022Observed: 2.73 ft at 6:45PM May 22, 2022Observed: 2.64 ft at 7:00PM May 22, 2022Observed: 2.53 ft at 7:15PM May 22, 2022Observed: 2.43 ft at 7:30PM May 22, 2022Observed: 2.36 ft at 7:45PM May 22, 2022Observed: 2.3 ft at 8:00PM May 22, 2022Observed: 2.27 ft at 8:15PM May 22, 2022Observed: 2.3 ft at 8:30PM May 22, 2022Observed: 2.38 ft at 8:45PM May 22, 2022Observed: 2.5 ft at 9:00PM May 22, 2022Observed: 2.62 ft at 9:15PM May 22, 2022Observed: 2.76 ft at 9:30PM May 22, 2022Observed: 2.89 ft at 9:45PM May 22, 2022Observed: 3.03 ft at 10:00PM May 22, 2022Observed: 3.15 ft at 10:15PM May 22, 2022Observed: 3.28 ft at 10:30PM May 22, 2022Observed: 3.41 ft at 10:45PM May 22, 2022Observed: 3.53 ft at 11:00PM May 22, 2022Observed: 3.66 ft at 11:15PM May 22, 2022Observed: 3.78 ft at 11:30PM May 22, 2022Observed: 3.91 ft at 11:45PM May 22, 2022Observed: 4.03 ft at 12:00AM May 23, 2022Observed: 4.14 ft at 12:15AM May 23, 2022Observed: 4.26 ft at 12:30AM May 23, 2022Observed: 4.37 ft at 12:45AM May 23, 2022Observed: 4.49 ft at 1:00AM May 23, 2022Observed: 4.6 ft at 1:15AM May 23, 2022Observed: 4.7 ft at 1:30AM May 23, 2022Observed: 4.8 ft at 1:45AM May 23, 2022Observed: 4.89 ft at 2:00AM May 23, 2022Observed: 4.97 ft at 2:15AM May 23, 2022Observed: 5.04 ft at 2:30AM May 23, 2022Observed: 5.09 ft at 2:45AM May 23, 2022Observed: 5.13 ft at 3:00AM May 23, 2022Observed: 5.15 ft at 3:15AM May 23, 2022Observed: 5.14 ft at 3:30AM May 23, 2022Observed: 5.1 ft at 3:45AM May 23, 2022Observed: 5.04 ft at 4:00AM May 23, 2022Observed: 4.96 ft at 4:15AM May 23, 2022Observed: 4.86 ft at 4:30AM May 23, 2022Observed: 4.74 ft at 4:45AM May 23, 2022Observed: 4.64 ft at 5:00AM May 23, 2022Observed: 4.53 ft at 5:15AM May 23, 2022Observed: 4.43 ft at 5:30AM May 23, 2022Observed: 4.29 ft at 5:45AM May 23, 2022Observed: 4.14 ft at 6:00AM May 23, 2022Observed: 3.98 ft at 6:15AM May 23, 2022Observed: 3.86 ft at 6:30AM May 23, 2022Observed: 3.74 ft at 6:45AM May 23, 2022Observed: 3.63 ft at 7:00AM May 23, 2022Observed: 3.63 ft at 7:15AM May 23, 2022Observed: 3.57 ft at 7:30AM May 23, 2022Observed: 3.54 ft at 7:45AM May 23, 2022Observed: 3.53 ft at 8:00AM May 23, 2022Observed: 3.55 ft at 8:15AM May 23, 2022Observed: 3.56 ft at 8:30AM May 23, 2022Observed: 3.59 ft at 8:45AM May 23, 2022Observed: 3.66 ft at 9:00AM May 23, 2022Observed: 3.74 ft at 9:15AM May 23, 2022Observed: 3.83 ft at 9:30AM May 23, 2022Observed: 3.93 ft at 9:45AM May 23, 2022Observed: 4.04 ft at 10:00AM May 23, 2022Observed: 4.14 ft at 10:15AM May 23, 2022Observed: 4.24 ft at 10:30AM May 23, 2022Observed: 4.34 ft at 10:45AM May 23, 2022Observed: 4.44 ft at 11:00AM May 23, 2022Observed: 4.54 ft at 11:15AM May 23, 2022Observed: 4.64 ft at 11:30AM May 23, 2022Observed: 4.73 ft at 11:45AM May 23, 2022Observed: 4.82 ft at 12:00PM May 23, 2022Observed: 4.9 ft at 12:15PM May 23, 2022Observed: 4.98 ft at 12:30PM May 23, 2022Observed: 5.04 ft at 12:45PM May 23, 2022Observed: 5.09 ft at 1:00PM May 23, 2022Observed: 5.12 ft at 1:15PM May 23, 2022Observed: 5.14 ft at 1:30PM May 23, 2022Observed: 5.1 ft at 1:45PM May 23, 2022Observed: 5.06 ft at 2:00PM May 23, 2022Observed: 4.98 ft at 2:15PM May 23, 2022Observed: 4.88 ft at 2:30PM May 23, 2022Observed: 4.76 ft at 2:45PM May 23, 2022Observed: 4.64 ft at 3:00PM May 23, 2022Observed: 4.52 ft at 3:15PM May 23, 2022Observed: 4.4 ft at 3:30PM May 23, 2022Observed: 4.3 ft at 3:45PM May 23, 2022Observed: 4.19 ft at 4:00PM May 23, 2022Observed: 4.08 ft at 4:15PM May 23, 2022Observed: 3.97 ft at 4:30PM May 23, 2022Observed: 3.86 ft at 4:45PM May 23, 2022Observed: 3.74 ft at 5:00PM May 23, 2022Observed: 3.63 ft at 5:15PM May 23, 2022Observed: 3.52 ft at 5:30PM May 23, 2022Observed: 3.42 ft at 5:45PM May 23, 2022Observed: 3.31 ft at 6:00PM May 23, 2022Observed: 3.2 ft at 6:15PM May 23, 2022Observed: 3.09 ft at 6:30PM May 23, 2022Observed: 2.98 ft at 6:45PM May 23, 2022Observed: 2.87 ft at 7:00PM May 23, 2022Observed: 2.77 ft at 7:15PM May 23, 2022Observed: 2.66 ft at 7:30PM May 23, 2022Observed: 2.56 ft at 7:45PM May 23, 2022Observed: 2.46 ft at 8:00PM May 23, 2022Observed: 2.38 ft at 8:15PM May 23, 2022Observed: 2.31 ft at 8:30PM May 23, 2022Observed: 2.26 ft at 8:45PM May 23, 2022Observed: 2.25 ft at 9:00PM May 23, 2022Observed: 2.3 ft at 9:15PM May 23, 2022Observed: 2.4 ft at 9:30PM May 23, 2022Observed: 2.52 ft at 9:45PM May 23, 2022Observed: 2.66 ft at 10:00PM May 23, 2022Observed: 2.8 ft at 10:15PM May 23, 2022Observed: 2.94 ft at 10:30PM May 23, 2022Observed: 3.07 ft at 10:45PM May 23, 2022Observed: 3.2 ft at 11:00PM May 23, 2022Observed: 3.32 ft at 11:15PM May 23, 2022Observed: 3.45 ft at 11:30PM May 23, 2022Observed: 3.58 ft at 11:45PM May 23, 2022Observed: 3.71 ft at 12:00AM May 24, 2022Observed: 3.84 ft at 12:15AM May 24, 2022Observed: 3.97 ft at 12:30AM May 24, 2022Observed: 4.09 ft at 12:45AM May 24, 2022Observed: 4.21 ft at 1:00AM May 24, 2022Observed: 4.34 ft at 1:15AM May 24, 2022Observed: 4.46 ft at 1:30AM May 24, 2022Observed: 4.58 ft at 1:45AM May 24, 2022Observed: 4.69 ft at 2:00AM May 24, 2022Observed: 4.8 ft at 2:15AM May 24, 2022Observed: 4.9 ft at 2:30AM May 24, 2022Observed: 4.99 ft at 2:45AM May 24, 2022Observed: 5.08 ft at 3:00AM May 24, 2022Observed: 5.15 ft at 3:15AM May 24, 2022Observed: 5.2 ft at 3:30AM May 24, 2022Observed: 5.24 ft at 3:45AM May 24, 2022Observed: 5.24 ft at 4:00AM May 24, 2022Observed: 5.23 ft at 4:15AM May 24, 2022Observed: 5.18 ft at 4:30AM May 24, 2022Observed: 5.1 ft at 4:45AM May 24, 2022Observed: 5 ft at 5:00AM May 24, 2022Observed: 4.89 ft at 5:15AM May 24, 2022Observed: 4.77 ft at 5:30AM May 24, 2022Observed: 4.65 ft at 5:45AM May 24, 2022Observed: 4.53 ft at 6:00AM May 24, 2022Observed: 4.42 ft at 6:15AM May 24, 2022Observed: 4.26 ft at 6:30AM May 24, 2022Observed: 4.15 ft at 6:45AM May 24, 2022Observed: 4.02 ft at 7:00AM May 24, 2022Observed: 3.9 ft at 7:15AM May 24, 2022Observed: 3.78 ft at 7:30AM May 24, 2022Observed: 3.67 ft at 7:45AM May 24, 2022Observed: 3.57 ft at 8:00AM May 24, 2022Observed: 3.47 ft at 8:15AM May 24, 2022Observed: 3.38 ft at 8:30AM May 24, 2022Observed: 3.3 ft at 8:45AM May 24, 2022Observed: 3.23 ft at 9:00AM May 24, 2022Observed: 3.17 ft at 9:15AM May 24, 2022Observed: 3.14 ft at 9:30AM May 24, 2022Observed: 3.12 ft at 9:45AM May 24, 2022Observed: 3.15 ft at 10:00AM May 24, 2022Observed: 3.22 ft at 10:15AM May 24, 2022Observed: 3.34 ft at 10:30AM May 24, 2022Observed: 3.44 ft at 10:45AM May 24, 2022Observed: 3.57 ft at 11:00AM May 24, 2022Observed: 3.69 ft at 11:15AM May 24, 2022Observed: 3.81 ft at 11:30AM May 24, 2022Observed: 4.36 ft at 12:45PM May 24, 2022Observed: 4.44 ft at 1:00PM May 24, 2022Observed: 4.53 ft at 1:15PM May 24, 2022Observed: 4.62 ft at 1:30PM May 24, 2022Observed: 4.7 ft at 1:45PM May 24, 2022Observed: 4.77 ft at 2:00PM May 24, 2022Observed: 4.83 ft at 2:15PM May 24, 2022Observed: 4.87 ft at 2:30PM May 24, 2022Observed: 4.9 ft at 2:45PM May 24, 2022Observed: 4.89 ft at 3:00PM May 24, 2022Observed: 4.86 ft at 3:15PM May 24, 2022Observed: 4.81 ft at 3:30PM May 24, 2022Observed: 4.72 ft at 3:45PM May 24, 2022Observed: 4.62 ft at 4:00PM May 24, 2022Observed: 4.5 ft at 4:15PM May 24, 2022Observed: 4.38 ft at 4:30PM May 24, 2022Observed: 4.27 ft at 4:45PM May 24, 2022Observed: 4.15 ft at 5:00PM May 24, 2022Observed: 4.04 ft at 5:15PM May 24, 2022Observed: 3.93 ft at 5:30PM May 24, 2022Observed: 3.82 ft at 5:45PM May 24, 2022Observed: 3.7 ft at 6:00PM May 24, 2022Observed: 3.59 ft at 6:15PM May 24, 2022Observed: 3.48 ft at 6:30PM May 24, 2022Observed: 3.37 ft at 6:45PM May 24, 2022Observed: 3.22 ft at 7:00PM May 24, 2022Observed: 3.1 ft at 7:15PM May 24, 2022Observed: 2.98 ft at 7:30PM May 24, 2022Observed: 2.86 ft at 7:45PM May 24, 2022Observed: 2.75 ft at 8:00PM May 24, 2022Observed: 2.65 ft at 8:15PM May 24, 2022Observed: 2.59 ft at 8:30PM May 24, 2022Observed: 2.49 ft at 8:45PM May 24, 2022Observed: 2.42 ft at 9:00PM May 24, 2022Observed: 2.36 ft at 9:15PM May 24, 2022Observed: 2.32 ft at 9:30PM May 24, 2022Observed: 2.32 ft at 9:45PM May 24, 2022Observed: 2.37 ft at 10:00PM May 24, 2022Observed: 2.46 ft at 10:15PM May 24, 2022Observed: 2.58 ft at 10:30PM May 24, 2022Observed: 2.7 ft at 10:45PM May 24, 2022Observed: 2.84 ft at 11:00PM May 24, 2022Observed: 2.98 ft at 11:15PM May 24, 2022Observed: 3.11 ft at 11:30PM May 24, 2022Observed: 3.24 ft at 11:45PM May 24, 2022Observed: 3.37 ft at 12:00AM May 25, 2022Observed: 3.5 ft at 12:15AM May 25, 2022Observed: 3.63 ft at 12:30AM May 25, 2022Observed: 3.76 ft at 12:45AM May 25, 2022Observed: 3.89 ft at 1:00AM May 25, 2022Observed: 4.02 ft at 1:15AM May 25, 2022Observed: 4.15 ft at 1:30AM May 25, 2022Observed: 4.28 ft at 1:45AM May 25, 2022Observed: 4.41 ft at 2:00AM May 25, 2022USGS--Water Resources of the United StatesOHFC1(plotting HGIRG) Graph Created (4:00AM May 25, 2022)ObservedLatest observed value: 4.41 ft at 2:00 AM PDT 25-May-2022.
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Datum: NAVD88
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NOTE: Graphical forecasts are not available for the Old River near Byron Ca (Old River at Hwy 4). During times of high water, forecast crest information can be found in the text products.
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Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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.
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Latitude: 37.891036° N, Longitude: 121.570228° W, Horizontal Datum: NAD83/WGS84

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

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