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Hydrograph River at a Glance Download
Old River near Byron Ca (Old River at Hwy 4) Stage (ft)Observed: 5.8 ft at 11:00AM Jan 28, 2023Observed: 5.89 ft at 11:15AM Jan 28, 2023Observed: 5.96 ft at 11:30AM Jan 28, 2023Observed: 6.02 ft at 11:45AM Jan 28, 2023Observed: 6.06 ft at 12:00PM Jan 28, 2023Observed: 6.06 ft at 12:15PM Jan 28, 2023Observed: 6.03 ft at 12:30PM Jan 28, 2023Observed: 5.98 ft at 12:45PM Jan 28, 2023Observed: 5.9 ft at 1:00PM Jan 28, 2023Observed: 5.81 ft at 1:15PM Jan 28, 2023Observed: 5.7 ft at 1:30PM Jan 28, 2023Observed: 5.58 ft at 1:45PM Jan 28, 2023Observed: 5.45 ft at 2:00PM Jan 28, 2023Observed: 5.32 ft at 2:15PM Jan 28, 2023Observed: 5.19 ft at 2:30PM Jan 28, 2023Observed: 5.06 ft at 2:45PM Jan 28, 2023Observed: 4.93 ft at 3:00PM Jan 28, 2023Observed: 4.8 ft at 3:15PM Jan 28, 2023Observed: 4.66 ft at 3:30PM Jan 28, 2023Observed: 4.54 ft at 3:45PM Jan 28, 2023Observed: 4.41 ft at 4:00PM Jan 28, 2023Observed: 4.3 ft at 4:15PM Jan 28, 2023Observed: 4.18 ft at 4:30PM Jan 28, 2023Observed: 4.05 ft at 4:45PM Jan 28, 2023Observed: 3.94 ft at 5:00PM Jan 28, 2023Observed: 3.82 ft at 5:15PM Jan 28, 2023Observed: 3.72 ft at 5:30PM Jan 28, 2023Observed: 3.61 ft at 5:45PM Jan 28, 2023Observed: 3.5 ft at 6:00PM Jan 28, 2023Observed: 3.42 ft at 6:15PM Jan 28, 2023Observed: 3.34 ft at 6:30PM Jan 28, 2023Observed: 3.27 ft at 6:45PM Jan 28, 2023Observed: 3.21 ft at 7:00PM Jan 28, 2023Observed: 3.16 ft at 7:15PM Jan 28, 2023Observed: 3.12 ft at 7:30PM Jan 28, 2023Observed: 3.13 ft at 7:45PM Jan 28, 2023Observed: 3.17 ft at 8:00PM Jan 28, 2023Observed: 3.25 ft at 8:15PM Jan 28, 2023Observed: 3.33 ft at 8:30PM Jan 28, 2023Observed: 3.43 ft at 8:45PM Jan 28, 2023Observed: 3.53 ft at 9:00PM Jan 28, 2023Observed: 3.63 ft at 9:15PM Jan 28, 2023Observed: 3.73 ft at 9:30PM Jan 28, 2023Observed: 3.83 ft at 9:45PM Jan 28, 2023Observed: 3.95 ft at 10:00PM Jan 28, 2023Observed: 4.15 ft at 10:15PM Jan 28, 2023Observed: 4.31 ft at 10:30PM Jan 28, 2023Observed: 4.46 ft at 10:45PM Jan 28, 2023Observed: 4.59 ft at 11:00PM Jan 28, 2023Observed: 4.72 ft at 11:15PM Jan 28, 2023Observed: 4.82 ft at 11:30PM Jan 28, 2023Observed: 4.91 ft at 11:45PM Jan 28, 2023Observed: 4.98 ft at 12:00AM Jan 29, 2023Observed: 5.02 ft at 12:15AM Jan 29, 2023Observed: 4.95 ft at 12:30AM Jan 29, 2023Observed: 4.9 ft at 12:45AM Jan 29, 2023Observed: 4.86 ft at 1:00AM Jan 29, 2023Observed: 4.79 ft at 1:15AM Jan 29, 2023Observed: 4.7 ft at 1:30AM Jan 29, 2023Observed: 4.64 ft at 1:45AM Jan 29, 2023Observed: 4.56 ft at 2:00AM Jan 29, 2023Observed: 4.47 ft at 2:15AM Jan 29, 2023Observed: 4.38 ft at 2:30AM Jan 29, 2023Observed: 4.3 ft at 2:45AM Jan 29, 2023Observed: 4.21 ft at 3:00AM Jan 29, 2023Observed: 4.12 ft at 3:15AM Jan 29, 2023Observed: 4.04 ft at 3:30AM Jan 29, 2023Observed: 3.95 ft at 3:45AM Jan 29, 2023Observed: 3.87 ft at 4:00AM Jan 29, 2023Observed: 3.8 ft at 4:15AM Jan 29, 2023Observed: 3.73 ft at 4:30AM Jan 29, 2023Observed: 3.67 ft at 4:45AM Jan 29, 2023Observed: 3.63 ft at 5:00AM Jan 29, 2023Observed: 3.6 ft at 5:15AM Jan 29, 2023Observed: 3.59 ft at 5:30AM Jan 29, 2023Observed: 3.6 ft at 5:45AM Jan 29, 2023Observed: 3.63 ft at 6:00AM Jan 29, 2023Observed: 3.69 ft at 6:15AM Jan 29, 2023Observed: 3.76 ft at 6:30AM Jan 29, 2023Observed: 3.85 ft at 6:45AM Jan 29, 2023Observed: 3.96 ft at 7:00AM Jan 29, 2023Observed: 4.06 ft at 7:15AM Jan 29, 2023Observed: 4.17 ft at 7:30AM Jan 29, 2023Observed: 4.28 ft at 7:45AM Jan 29, 2023Observed: 4.4 ft at 8:00AM Jan 29, 2023Observed: 4.52 ft at 8:15AM Jan 29, 2023Observed: 4.64 ft at 8:30AM Jan 29, 2023Observed: 4.76 ft at 8:45AM Jan 29, 2023Observed: 4.89 ft at 9:00AM Jan 29, 2023Observed: 5.02 ft at 9:15AM Jan 29, 2023Observed: 5.14 ft at 9:30AM Jan 29, 2023Observed: 5.27 ft at 9:45AM Jan 29, 2023Observed: 5.38 ft at 10:00AM Jan 29, 2023Observed: 5.56 ft at 10:15AM Jan 29, 2023Observed: 5.77 ft at 10:30AM Jan 29, 2023Observed: 5.9 ft at 10:45AM Jan 29, 2023Observed: 6.05 ft at 11:00AM Jan 29, 2023Observed: 6.2 ft at 11:15AM Jan 29, 2023Observed: 6.31 ft at 11:30AM Jan 29, 2023Observed: 6.42 ft at 11:45AM Jan 29, 2023Observed: 6.52 ft at 12:00PM Jan 29, 2023Observed: 6.59 ft at 12:15PM Jan 29, 2023Observed: 6.64 ft at 12:30PM Jan 29, 2023Highest Observation: 6.67 ft at 12:45PM Jan 29, 2023Observed: 6.66 ft at 1:00PM Jan 29, 2023Observed: 6.61 ft at 1:15PM Jan 29, 2023Observed: 6.42 ft at 1:30PM Jan 29, 2023Observed: 6.33 ft at 1:45PM Jan 29, 2023Observed: 6.19 ft at 2:00PM Jan 29, 2023Observed: 6.05 ft at 2:15PM Jan 29, 2023Observed: 5.91 ft at 2:30PM Jan 29, 2023Observed: 5.79 ft at 2:45PM Jan 29, 2023Observed: 5.65 ft at 3:00PM Jan 29, 2023Observed: 5.52 ft at 3:15PM Jan 29, 2023Observed: 5.39 ft at 3:30PM Jan 29, 2023Observed: 5.26 ft at 3:45PM Jan 29, 2023Observed: 5.13 ft at 4:00PM Jan 29, 2023Observed: 4.99 ft at 4:15PM Jan 29, 2023Observed: 4.86 ft at 4:30PM Jan 29, 2023Observed: 4.72 ft at 4:45PM Jan 29, 2023Observed: 4.59 ft at 5:00PM Jan 29, 2023Observed: 4.47 ft at 5:15PM Jan 29, 2023Observed: 4.33 ft at 5:30PM Jan 29, 2023Observed: 4.2 ft at 5:45PM Jan 29, 2023Observed: 4.08 ft at 6:00PM Jan 29, 2023Observed: 3.95 ft at 6:15PM Jan 29, 2023Observed: 3.84 ft at 6:30PM Jan 29, 2023Observed: 3.72 ft at 6:45PM Jan 29, 2023Observed: 3.6 ft at 7:00PM Jan 29, 2023Observed: 3.5 ft at 7:15PM Jan 29, 2023Observed: 3.39 ft at 7:30PM Jan 29, 2023Observed: 3.28 ft at 7:45PM Jan 29, 2023Observed: 3.19 ft at 8:00PM Jan 29, 2023Observed: 3.18 ft at 8:15PM Jan 29, 2023Observed: 3.21 ft at 8:30PM Jan 29, 2023Observed: 3.14 ft at 8:45PM Jan 29, 2023Observed: 3.14 ft at 9:00PM Jan 29, 2023Observed: 3.16 ft at 9:15PM Jan 29, 2023Observed: 3.19 ft at 9:30PM Jan 29, 2023Observed: 3.22 ft at 9:45PM Jan 29, 2023Observed: 3.31 ft at 10:00PM Jan 29, 2023Observed: 3.41 ft at 10:15PM Jan 29, 2023Observed: 3.53 ft at 10:30PM Jan 29, 2023Observed: 3.65 ft at 10:45PM Jan 29, 2023Observed: 3.77 ft at 11:00PM Jan 29, 2023Observed: 3.89 ft at 11:15PM Jan 29, 2023Observed: 3.88 ft at 11:30PM Jan 29, 2023Observed: 3.94 ft at 11:45PM Jan 29, 2023Observed: 4.03 ft at 12:00AM Jan 30, 2023Observed: 4.1 ft at 12:15AM Jan 30, 2023Observed: 4.15 ft at 12:30AM Jan 30, 2023Observed: 4.24 ft at 12:45AM Jan 30, 2023Observed: 4.33 ft at 1:00AM Jan 30, 2023Observed: 4.41 ft at 1:15AM Jan 30, 2023Observed: 4.48 ft at 1:30AM Jan 30, 2023Observed: 4.54 ft at 1:45AM Jan 30, 2023Observed: 4.6 ft at 2:00AM Jan 30, 2023Observed: 4.65 ft at 2:15AM Jan 30, 2023Observed: 4.68 ft at 2:30AM Jan 30, 2023Observed: 4.7 ft at 2:45AM Jan 30, 2023Observed: 4.71 ft at 3:00AM Jan 30, 2023Observed: 4.7 ft at 3:15AM Jan 30, 2023Observed: 4.68 ft at 3:30AM Jan 30, 2023Observed: 4.63 ft at 3:45AM Jan 30, 2023Observed: 4.58 ft at 4:00AM Jan 30, 2023Observed: 4.52 ft at 4:15AM Jan 30, 2023Observed: 4.44 ft at 4:30AM Jan 30, 2023Observed: 4.39 ft at 4:45AM Jan 30, 2023Observed: 4.31 ft at 5:00AM Jan 30, 2023Observed: 4.24 ft at 5:15AM Jan 30, 2023Observed: 4.18 ft at 5:30AM Jan 30, 2023Observed: 4.12 ft at 5:45AM Jan 30, 2023Observed: 4.07 ft at 6:00AM Jan 30, 2023Observed: 4.03 ft at 6:15AM Jan 30, 2023Observed: 4.01 ft at 6:30AM Jan 30, 2023Observed: 4.01 ft at 6:45AM Jan 30, 2023Observed: 4.03 ft at 7:00AM Jan 30, 2023Observed: 4.05 ft at 7:15AM Jan 30, 2023Observed: 4.1 ft at 7:30AM Jan 30, 2023Observed: 4.16 ft at 7:45AM Jan 30, 2023Observed: 4.24 ft at 8:00AM Jan 30, 2023Observed: 4.32 ft at 8:15AM Jan 30, 2023Observed: 4.42 ft at 8:30AM Jan 30, 2023Observed: 4.52 ft at 8:45AM Jan 30, 2023Observed: 4.62 ft at 9:00AM Jan 30, 2023Observed: 4.72 ft at 9:15AM Jan 30, 2023Observed: 4.82 ft at 9:30AM Jan 30, 2023Observed: 4.93 ft at 9:45AM Jan 30, 2023Observed: 5.03 ft at 10:00AM Jan 30, 2023Observed: 5.14 ft at 10:15AM Jan 30, 2023Observed: 5.24 ft at 10:30AM Jan 30, 2023Observed: 5.34 ft at 10:45AM Jan 30, 2023Observed: 5.44 ft at 11:00AM Jan 30, 2023Observed: 5.55 ft at 11:15AM Jan 30, 2023Observed: 5.64 ft at 11:30AM Jan 30, 2023Observed: 5.74 ft at 11:45AM Jan 30, 2023Observed: 5.83 ft at 12:00PM Jan 30, 2023Observed: 5.91 ft at 12:15PM Jan 30, 2023Observed: 5.98 ft at 12:30PM Jan 30, 2023Observed: 6.05 ft at 12:45PM Jan 30, 2023Observed: 6.1 ft at 1:00PM Jan 30, 2023Observed: 6.14 ft at 1:15PM Jan 30, 2023Observed: 6.15 ft at 1:30PM Jan 30, 2023Observed: 6.14 ft at 1:45PM Jan 30, 2023Observed: 6.11 ft at 2:00PM Jan 30, 2023Observed: 6.05 ft at 2:15PM Jan 30, 2023Observed: 5.97 ft at 2:30PM Jan 30, 2023Observed: 5.87 ft at 2:45PM Jan 30, 2023Observed: 5.76 ft at 3:00PM Jan 30, 2023Observed: 5.64 ft at 3:15PM Jan 30, 2023Observed: 5.51 ft at 3:30PM Jan 30, 2023Observed: 5.38 ft at 3:45PM Jan 30, 2023Observed: 5.25 ft at 4:00PM Jan 30, 2023Observed: 5.12 ft at 4:15PM Jan 30, 2023Observed: 4.98 ft at 4:30PM Jan 30, 2023Observed: 4.85 ft at 4:45PM Jan 30, 2023Observed: 4.72 ft at 5:00PM Jan 30, 2023Observed: 4.58 ft at 5:15PM Jan 30, 2023Observed: 4.43 ft at 5:30PM Jan 30, 2023Observed: 4.29 ft at 5:45PM Jan 30, 2023Observed: 4.16 ft at 6:00PM Jan 30, 2023Observed: 4.02 ft at 6:15PM Jan 30, 2023Observed: 3.89 ft at 6:30PM Jan 30, 2023Observed: 3.77 ft at 6:45PM Jan 30, 2023Observed: 3.65 ft at 7:00PM Jan 30, 2023Observed: 3.53 ft at 7:15PM Jan 30, 2023Observed: 3.41 ft at 7:30PM Jan 30, 2023Observed: 3.26 ft at 7:45PM Jan 30, 2023Observed: 3.14 ft at 8:00PM Jan 30, 2023Observed: 3.02 ft at 8:15PM Jan 30, 2023Observed: 2.93 ft at 8:30PM Jan 30, 2023Observed: 2.84 ft at 8:45PM Jan 30, 2023Observed: 2.79 ft at 9:00PM Jan 30, 2023Observed: 2.81 ft at 9:15PM Jan 30, 2023Observed: 2.75 ft at 9:30PM Jan 30, 2023Observed: 2.73 ft at 9:45PM Jan 30, 2023Observed: 2.74 ft at 10:00PM Jan 30, 2023Observed: 2.77 ft at 10:15PM Jan 30, 2023Observed: 2.8 ft at 10:30PM Jan 30, 2023Observed: 2.88 ft at 10:45PM Jan 30, 2023Observed: 2.98 ft at 11:00PM Jan 30, 2023Observed: 3.09 ft at 11:15PM Jan 30, 2023Observed: 3.22 ft at 11:30PM Jan 30, 2023Observed: 3.35 ft at 11:45PM Jan 30, 2023Observed: 3.49 ft at 12:00AM Jan 31, 2023Observed: 3.62 ft at 12:15AM Jan 31, 2023Observed: 3.74 ft at 12:30AM Jan 31, 2023Observed: 3.87 ft at 12:45AM Jan 31, 2023Observed: 4 ft at 1:00AM Jan 31, 2023Observed: 4.11 ft at 1:15AM Jan 31, 2023Observed: 4.08 ft at 1:30AM Jan 31, 2023Observed: 4.15 ft at 1:45AM Jan 31, 2023Observed: 4.23 ft at 2:00AM Jan 31, 2023Observed: 4.27 ft at 2:15AM Jan 31, 2023Observed: 4.32 ft at 2:30AM Jan 31, 2023Observed: 4.41 ft at 2:45AM Jan 31, 2023Observed: 4.48 ft at 3:00AM Jan 31, 2023Observed: 4.53 ft at 3:15AM Jan 31, 2023Observed: 4.58 ft at 3:30AM Jan 31, 2023Observed: 4.63 ft at 3:45AM Jan 31, 2023Observed: 4.66 ft at 4:00AM Jan 31, 2023Observed: 4.67 ft at 4:15AM Jan 31, 2023Observed: 4.68 ft at 4:30AM Jan 31, 2023Observed: 4.67 ft at 4:45AM Jan 31, 2023Observed: 4.66 ft at 5:00AM Jan 31, 2023Observed: 4.63 ft at 5:15AM Jan 31, 2023Observed: 4.58 ft at 5:30AM Jan 31, 2023Observed: 4.54 ft at 5:45AM Jan 31, 2023Observed: 4.49 ft at 6:00AM Jan 31, 2023Observed: 4.44 ft at 6:15AM Jan 31, 2023Observed: 4.38 ft at 6:30AM Jan 31, 2023Observed: 4.31 ft at 6:45AM Jan 31, 2023Observed: 4.26 ft at 7:00AM Jan 31, 2023Observed: 4.22 ft at 7:15AM Jan 31, 2023Observed: 4.18 ft at 7:30AM Jan 31, 2023Observed: 4.16 ft at 7:45AM Jan 31, 2023Observed: 4.17 ft at 8:00AM Jan 31, 2023Observed: 4.18 ft at 8:15AM Jan 31, 2023Observed: 4.22 ft at 8:30AM Jan 31, 2023Observed: 4.28 ft at 8:45AM Jan 31, 2023Observed: 4.34 ft at 9:00AM Jan 31, 2023Observed: 4.42 ft at 9:15AM Jan 31, 2023Observed: 4.51 ft at 9:30AM Jan 31, 2023Observed: 4.6 ft at 9:45AM Jan 31, 2023Observed: 4.7 ft at 10:00AM Jan 31, 2023Observed: 4.8 ft at 10:15AM Jan 31, 2023Observed: 4.88 ft at 10:30AM Jan 31, 2023Observed: 4.99 ft at 10:45AM Jan 31, 2023Observed: 5.09 ft at 11:00AM Jan 31, 2023Observed: 5.19 ft at 11:15AM Jan 31, 2023Observed: 5.29 ft at 11:30AM Jan 31, 2023Observed: 5.39 ft at 11:45AM Jan 31, 2023Observed: 5.48 ft at 12:00PM Jan 31, 2023Observed: 5.58 ft at 12:15PM Jan 31, 2023Observed: 5.66 ft at 12:30PM Jan 31, 2023Observed: 5.75 ft at 12:45PM Jan 31, 2023Observed: 5.82 ft at 1:00PM Jan 31, 2023Observed: 5.89 ft at 1:15PM Jan 31, 2023Observed: 5.95 ft at 1:30PM Jan 31, 2023Observed: 6 ft at 1:45PM Jan 31, 2023Observed: 6.02 ft at 2:00PM Jan 31, 2023Observed: 6.04 ft at 2:15PM Jan 31, 2023Observed: 6.03 ft at 2:30PM Jan 31, 2023Observed: 5.99 ft at 2:45PM Jan 31, 2023Observed: 5.93 ft at 3:00PM Jan 31, 2023Observed: 5.84 ft at 3:15PM Jan 31, 2023Observed: 5.74 ft at 3:30PM Jan 31, 2023Observed: 5.63 ft at 3:45PM Jan 31, 2023Observed: 5.51 ft at 4:00PM Jan 31, 2023Observed: 5.39 ft at 4:15PM Jan 31, 2023Observed: 5.25 ft at 4:30PM Jan 31, 2023Observed: 5.12 ft at 4:45PM Jan 31, 2023Observed: 4.98 ft at 5:00PM Jan 31, 2023Observed: 4.84 ft at 5:15PM Jan 31, 2023Observed: 4.71 ft at 5:30PM Jan 31, 2023Observed: 4.58 ft at 5:45PM Jan 31, 2023Observed: 4.45 ft at 6:00PM Jan 31, 2023Observed: 4.32 ft at 6:15PM Jan 31, 2023Observed: 4.24 ft at 6:30PM Jan 31, 2023Observed: 4.12 ft at 6:45PM Jan 31, 2023Observed: 3.98 ft at 7:00PM Jan 31, 2023Observed: 3.87 ft at 7:15PM Jan 31, 2023Observed: 3.75 ft at 7:30PM Jan 31, 2023Observed: 3.63 ft at 7:45PM Jan 31, 2023Observed: 3.5 ft at 8:00PM Jan 31, 2023Observed: 3 ft at 9:15PM Jan 31, 2023Observed: 2.91 ft at 9:30PM Jan 31, 2023Observed: 2.82 ft at 9:45PM Jan 31, 2023Observed: 2.72 ft at 10:00PM Jan 31, 2023Observed: 2.64 ft at 10:15PM Jan 31, 2023Observed: 2.57 ft at 10:30PM Jan 31, 2023Observed: 2.51 ft at 10:45PM Jan 31, 2023Observed: 2.48 ft at 11:00PM Jan 31, 2023Observed: 2.5 ft at 11:15PM Jan 31, 2023Observed: 2.56 ft at 11:30PM Jan 31, 2023Observed: 2.66 ft at 11:45PM Jan 31, 2023Observed: 2.79 ft at 12:00AM Feb 01, 2023Observed: 2.93 ft at 12:15AM Feb 01, 2023Observed: 3.01 ft at 12:30AM Feb 01, 2023Observed: 3.1 ft at 12:45AM Feb 01, 2023Observed: 3.21 ft at 1:00AM Feb 01, 2023Observed: 3.31 ft at 1:15AM Feb 01, 2023Observed: 3.4 ft at 1:30AM Feb 01, 2023Observed: 3.48 ft at 1:45AM Feb 01, 2023Observed: 3.6 ft at 2:00AM Feb 01, 2023Observed: 3.7 ft at 2:15AM Feb 01, 2023Observed: 3.8 ft at 2:30AM Feb 01, 2023Observed: 3.9 ft at 2:45AM Feb 01, 2023Observed: 4 ft at 3:00AM Feb 01, 2023Observed: 4.1 ft at 3:15AM Feb 01, 2023Observed: 4.2 ft at 3:30AM Feb 01, 2023Observed: 4.28 ft at 3:45AM Feb 01, 2023Observed: 4.36 ft at 4:00AM Feb 01, 2023Observed: 4.44 ft at 4:15AM Feb 01, 2023Observed: 4.54 ft at 4:30AM Feb 01, 2023Observed: 4.6 ft at 4:45AM Feb 01, 2023Observed: 4.65 ft at 5:00AM Feb 01, 2023Observed: 4.7 ft at 5:15AM Feb 01, 2023Observed: 4.73 ft at 5:30AM Feb 01, 2023Observed: 4.73 ft at 5:45AM Feb 01, 2023Observed: 4.75 ft at 6:00AM Feb 01, 2023Observed: 4.76 ft at 6:15AM Feb 01, 2023Observed: 4.73 ft at 6:30AM Feb 01, 2023Observed: 4.68 ft at 6:45AM Feb 01, 2023Observed: 4.64 ft at 7:00AM Feb 01, 2023Observed: 4.57 ft at 7:15AM Feb 01, 2023Observed: 4.5 ft at 7:30AM Feb 01, 2023Observed: 4.44 ft at 7:45AM Feb 01, 2023Observed: 4.38 ft at 8:00AM Feb 01, 2023Observed: 4.23 ft at 9:15AM Feb 01, 2023Observed: 4.26 ft at 9:30AM Feb 01, 2023Observed: 4.3 ft at 9:45AM Feb 01, 2023Observed: 4.38 ft at 10:00AM Feb 01, 2023Observed: 4.46 ft at 10:15AM Feb 01, 2023Observed: 4.55 ft at 10:30AM Feb 01, 2023Observed: 4.64 ft at 10:45AM Feb 01, 2023Observed: 4.71 ft at 11:00AM Feb 01, 2023Observed: 4.8 ft at 11:15AM Feb 01, 2023Observed: 4.89 ft at 11:30AM Feb 01, 2023Observed: 4.98 ft at 11:45AM Feb 01, 2023Observed: 5.06 ft at 12:00PM Feb 01, 2023Observed: 5.16 ft at 12:15PM Feb 01, 2023Observed: 5.26 ft at 12:30PM Feb 01, 2023Observed: 5.35 ft at 12:45PM Feb 01, 2023Observed: 5.44 ft at 1:00PM Feb 01, 2023Observed: 5.53 ft at 1:15PM Feb 01, 2023Observed: 5.62 ft at 1:30PM Feb 01, 2023Observed: 5.7 ft at 1:45PM Feb 01, 2023Observed: 5.77 ft at 2:00PM Feb 01, 2023Observed: 5.84 ft at 2:15PM Feb 01, 2023Observed: 5.89 ft at 2:30PM Feb 01, 2023Observed: 5.93 ft at 2:45PM Feb 01, 2023Observed: 5.95 ft at 3:00PM Feb 01, 2023Observed: 5.94 ft at 3:15PM Feb 01, 2023Observed: 5.91 ft at 3:30PM Feb 01, 2023Observed: 5.85 ft at 3:45PM Feb 01, 2023Observed: 5.78 ft at 4:00PM Feb 01, 2023Observed: 5.68 ft at 4:15PM Feb 01, 2023Observed: 5.57 ft at 4:30PM Feb 01, 2023Observed: 5.5 ft at 4:45PM Feb 01, 2023Observed: 5.37 ft at 5:00PM Feb 01, 2023Observed: 5.28 ft at 5:15PM Feb 01, 2023Observed: 5.16 ft at 5:30PM Feb 01, 2023Observed: 5.04 ft at 5:45PM Feb 01, 2023Observed: 4.9 ft at 6:00PM Feb 01, 2023Observed: 4.78 ft at 6:15PM Feb 01, 2023Observed: 4.65 ft at 6:30PM Feb 01, 2023Observed: 4.52 ft at 6:45PM Feb 01, 2023Observed: 4.38 ft at 7:00PM Feb 01, 2023Observed: 4.25 ft at 7:15PM Feb 01, 2023Observed: 4.12 ft at 7:30PM Feb 01, 2023Observed: 3.99 ft at 7:45PM Feb 01, 2023Observed: 3.86 ft at 8:00PM Feb 01, 2023Observed: 3.77 ft at 8:15PM Feb 01, 2023Observed: 3.64 ft at 8:30PM Feb 01, 2023Observed: 3.53 ft at 8:45PM Feb 01, 2023Observed: 3.41 ft at 9:00PM Feb 01, 2023Observed: 3.3 ft at 9:15PM Feb 01, 2023Observed: 3.18 ft at 9:30PM Feb 01, 2023Observed: 3.06 ft at 9:45PM Feb 01, 2023Observed: 2.95 ft at 10:00PM Feb 01, 2023Observed: 2.84 ft at 10:15PM Feb 01, 2023Observed: 2.73 ft at 10:30PM Feb 01, 2023Observed: 2.63 ft at 10:45PM Feb 01, 2023Observed: 2.54 ft at 11:00PM Feb 01, 2023Observed: 2.46 ft at 11:15PM Feb 01, 2023Observed: 2.4 ft at 11:30PM Feb 01, 2023Observed: 2.38 ft at 11:45PM Feb 01, 2023Observed: 2.4 ft at 12:00AM Feb 02, 2023Observed: 2.49 ft at 12:15AM Feb 02, 2023Observed: 2.54 ft at 12:30AM Feb 02, 2023Observed: 2.65 ft at 12:45AM Feb 02, 2023Observed: 2.77 ft at 1:00AM Feb 02, 2023Observed: 2.88 ft at 1:15AM Feb 02, 2023Observed: 2.98 ft at 1:30AM Feb 02, 2023Observed: 3.1 ft at 1:45AM Feb 02, 2023Observed: 3.22 ft at 2:00AM Feb 02, 2023Observed: 3.32 ft at 2:15AM Feb 02, 2023Observed: 3.43 ft at 2:30AM Feb 02, 2023Observed: 3.54 ft at 2:45AM Feb 02, 2023Observed: 3.65 ft at 3:00AM Feb 02, 2023Observed: 3.76 ft at 3:15AM Feb 02, 2023Observed: 3.87 ft at 3:30AM Feb 02, 2023Observed: 3.97 ft at 3:45AM Feb 02, 2023Observed: 4.07 ft at 4:00AM Feb 02, 2023Observed: 4.16 ft at 4:15AM Feb 02, 2023Observed: 4.25 ft at 4:30AM Feb 02, 2023Observed: 4.33 ft at 4:45AM Feb 02, 2023Observed: 4.4 ft at 5:00AM Feb 02, 2023Observed: 4.45 ft at 5:15AM Feb 02, 2023Observed: 4.51 ft at 5:30AM Feb 02, 2023Observed: 4.54 ft at 5:45AM Feb 02, 2023Observed: 4.58 ft at 6:00AM Feb 02, 2023Observed: 4.61 ft at 6:15AM Feb 02, 2023Observed: 4.6 ft at 6:30AM Feb 02, 2023Observed: 4.59 ft at 6:45AM Feb 02, 2023Observed: 4.56 ft at 7:00AM Feb 02, 2023Observed: 4.53 ft at 7:15AM Feb 02, 2023Observed: 4.47 ft at 7:30AM Feb 02, 2023Observed: 4.42 ft at 7:45AM Feb 02, 2023Observed: 4.36 ft at 8:00AM Feb 02, 2023USGS--Water Resources of the United StatesOHFC1(plotting HGIRG) Graph Created (10:45AM Feb 2, 2023)ObservedLatest observed value: 4.36 ft at 8:00 AM PST 2-Feb-2023.
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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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Flood Categories (in feet)
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  

Current/Historical Observations:
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