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Hydrograph River at a Glance Download
Old River near Byron Ca (Old River at Hwy 4) Stage (ft)Observed: 4.7 ft at 11:45PM Jul 30, 2020Observed: 4.84 ft at 12:00AM Jul 31, 2020Observed: 4.99 ft at 12:15AM Jul 31, 2020Observed: 5.13 ft at 12:30AM Jul 31, 2020Observed: 5.28 ft at 12:45AM Jul 31, 2020Observed: 5.41 ft at 1:00AM Jul 31, 2020Observed: 5.54 ft at 1:15AM Jul 31, 2020Observed: 5.67 ft at 1:30AM Jul 31, 2020Observed: 5.79 ft at 1:45AM Jul 31, 2020Observed: 5.92 ft at 2:00AM Jul 31, 2020Observed: 6.03 ft at 2:15AM Jul 31, 2020Observed: 6.15 ft at 2:30AM Jul 31, 2020Observed: 6.26 ft at 2:45AM Jul 31, 2020Observed: 6.35 ft at 3:00AM Jul 31, 2020Observed: 6.44 ft at 3:15AM Jul 31, 2020Observed: 6.51 ft at 3:30AM Jul 31, 2020Observed: 6.58 ft at 3:45AM Jul 31, 2020Observed: 6.61 ft at 4:00AM Jul 31, 2020Highest Observation: 6.62 ft at 4:15AM Jul 31, 2020Observed: 6.6 ft at 4:30AM Jul 31, 2020Observed: 6.54 ft at 4:45AM Jul 31, 2020Observed: 6.39 ft at 5:00AM Jul 31, 2020Observed: 6.22 ft at 5:15AM Jul 31, 2020Observed: 6.06 ft at 5:30AM Jul 31, 2020Observed: 5.9 ft at 5:45AM Jul 31, 2020Observed: 5.71 ft at 6:00AM Jul 31, 2020Observed: 5.56 ft at 6:15AM Jul 31, 2020Observed: 5.41 ft at 6:30AM Jul 31, 2020Observed: 5.27 ft at 6:45AM Jul 31, 2020Observed: 5.13 ft at 7:00AM Jul 31, 2020Observed: 5 ft at 7:15AM Jul 31, 2020Observed: 4.86 ft at 7:30AM Jul 31, 2020Observed: 4.72 ft at 7:45AM Jul 31, 2020Observed: 4.58 ft at 8:00AM Jul 31, 2020Observed: 4.44 ft at 8:15AM Jul 31, 2020Observed: 4.32 ft at 8:30AM Jul 31, 2020Observed: 4.19 ft at 8:45AM Jul 31, 2020Observed: 4.06 ft at 9:00AM Jul 31, 2020Observed: 3.94 ft at 9:15AM Jul 31, 2020Observed: 3.83 ft at 9:30AM Jul 31, 2020Observed: 3.71 ft at 9:45AM Jul 31, 2020Observed: 3.59 ft at 10:00AM Jul 31, 2020Observed: 3.48 ft at 10:15AM Jul 31, 2020Observed: 3.37 ft at 10:30AM Jul 31, 2020Observed: 3.26 ft at 10:45AM Jul 31, 2020Observed: 3.15 ft at 11:00AM Jul 31, 2020Observed: 3.06 ft at 11:15AM Jul 31, 2020Observed: 2.97 ft at 11:30AM Jul 31, 2020Observed: 2.92 ft at 11:45AM Jul 31, 2020Observed: 2.84 ft at 12:00PM Jul 31, 2020Observed: 2.79 ft at 12:15PM Jul 31, 2020Observed: 2.77 ft at 12:30PM Jul 31, 2020Observed: 2.78 ft at 12:45PM Jul 31, 2020Observed: 2.85 ft at 1:00PM Jul 31, 2020Observed: 2.92 ft at 1:15PM Jul 31, 2020Observed: 3.05 ft at 1:30PM Jul 31, 2020Observed: 3.17 ft at 1:45PM Jul 31, 2020Observed: 3.3 ft at 2:00PM Jul 31, 2020Observed: 3.44 ft at 2:15PM Jul 31, 2020Observed: 3.58 ft at 2:30PM Jul 31, 2020Observed: 3.71 ft at 2:45PM Jul 31, 2020Observed: 3.85 ft at 3:00PM Jul 31, 2020Observed: 3.99 ft at 3:15PM Jul 31, 2020Observed: 4.14 ft at 3:30PM Jul 31, 2020Observed: 4.29 ft at 3:45PM Jul 31, 2020Observed: 4.44 ft at 4:00PM Jul 31, 2020Observed: 4.57 ft at 4:15PM Jul 31, 2020Observed: 4.68 ft at 4:30PM Jul 31, 2020Observed: 4.8 ft at 4:45PM Jul 31, 2020Observed: 4.9 ft at 5:00PM Jul 31, 2020Observed: 4.98 ft at 5:15PM Jul 31, 2020Observed: 5.04 ft at 5:30PM Jul 31, 2020Observed: 5.1 ft at 5:45PM Jul 31, 2020Observed: 5.14 ft at 6:00PM Jul 31, 2020Observed: 5.2 ft at 6:15PM Jul 31, 2020Observed: 5.24 ft at 6:30PM Jul 31, 2020Observed: 5.25 ft at 6:45PM Jul 31, 2020Observed: 5.22 ft at 7:00PM Jul 31, 2020Observed: 5.18 ft at 7:15PM Jul 31, 2020Observed: 5.12 ft at 7:30PM Jul 31, 2020Observed: 5.02 ft at 7:45PM Jul 31, 2020Observed: 4.92 ft at 8:00PM Jul 31, 2020Observed: 4.81 ft at 8:15PM Jul 31, 2020Observed: 4.68 ft at 8:30PM Jul 31, 2020Observed: 4.56 ft at 8:45PM Jul 31, 2020Observed: 4.43 ft at 9:00PM Jul 31, 2020Observed: 4.31 ft at 9:15PM Jul 31, 2020Observed: 4.22 ft at 9:30PM Jul 31, 2020Observed: 4.12 ft at 9:45PM Jul 31, 2020Observed: 4.03 ft at 10:00PM Jul 31, 2020Observed: 3.95 ft at 10:15PM Jul 31, 2020Observed: 3.9 ft at 10:30PM Jul 31, 2020Observed: 3.87 ft at 10:45PM Jul 31, 2020Observed: 3.89 ft at 11:00PM Jul 31, 2020Observed: 3.94 ft at 11:15PM Jul 31, 2020Observed: 4.03 ft at 11:30PM Jul 31, 2020Observed: 4.13 ft at 11:45PM Jul 31, 2020Observed: 4.25 ft at 12:00AM Aug 01, 2020Observed: 4.38 ft at 12:15AM Aug 01, 2020Observed: 4.52 ft at 12:30AM Aug 01, 2020Observed: 4.65 ft at 12:45AM Aug 01, 2020Observed: 4.79 ft at 1:00AM Aug 01, 2020Observed: 4.93 ft at 1:15AM Aug 01, 2020Observed: 5.08 ft at 1:30AM Aug 01, 2020Observed: 5.22 ft at 1:45AM Aug 01, 2020Observed: 5.35 ft at 2:00AM Aug 01, 2020Observed: 5.48 ft at 2:15AM Aug 01, 2020Observed: 5.61 ft at 2:30AM Aug 01, 2020Observed: 5.74 ft at 2:45AM Aug 01, 2020Observed: 5.86 ft at 3:00AM Aug 01, 2020Observed: 5.97 ft at 3:15AM Aug 01, 2020Observed: 6.07 ft at 3:30AM Aug 01, 2020Observed: 6.18 ft at 3:45AM Aug 01, 2020Observed: 6.27 ft at 4:00AM Aug 01, 2020Observed: 6.35 ft at 4:15AM Aug 01, 2020Observed: 6.41 ft at 4:30AM Aug 01, 2020Observed: 6.46 ft at 4:45AM Aug 01, 2020Observed: 6.47 ft at 5:00AM Aug 01, 2020Observed: 6.46 ft at 5:15AM Aug 01, 2020Observed: 6.4 ft at 5:30AM Aug 01, 2020Observed: 6.32 ft at 5:45AM Aug 01, 2020Observed: 6.21 ft at 6:00AM Aug 01, 2020Observed: 6.08 ft at 6:15AM Aug 01, 2020Observed: 5.94 ft at 6:30AM Aug 01, 2020Observed: 5.79 ft at 6:45AM Aug 01, 2020Observed: 5.65 ft at 7:00AM Aug 01, 2020Observed: 5.5 ft at 7:15AM Aug 01, 2020Observed: 5.36 ft at 7:30AM Aug 01, 2020Observed: 5.22 ft at 7:45AM Aug 01, 2020Observed: 5.08 ft at 8:00AM Aug 01, 2020Observed: 4.86 ft at 8:15AM Aug 01, 2020Observed: 4.68 ft at 8:30AM Aug 01, 2020Observed: 4.51 ft at 8:45AM Aug 01, 2020Observed: 4.35 ft at 9:00AM Aug 01, 2020Observed: 4.17 ft at 9:15AM Aug 01, 2020Observed: 4.02 ft at 9:30AM Aug 01, 2020Observed: 3.89 ft at 9:45AM Aug 01, 2020Observed: 3.7 ft at 10:00AM Aug 01, 2020Observed: 3.57 ft at 10:15AM Aug 01, 2020Observed: 3.45 ft at 10:30AM Aug 01, 2020Observed: 3.32 ft at 10:45AM Aug 01, 2020Observed: 3.2 ft at 11:00AM Aug 01, 2020Observed: 3.07 ft at 11:15AM Aug 01, 2020Observed: 2.98 ft at 11:30AM Aug 01, 2020Observed: 2.88 ft at 11:45AM Aug 01, 2020Observed: 2.78 ft at 12:00PM Aug 01, 2020Observed: 2.69 ft at 12:15PM Aug 01, 2020Observed: 2.67 ft at 12:30PM Aug 01, 2020Observed: 2.6 ft at 12:45PM Aug 01, 2020Observed: 2.55 ft at 1:00PM Aug 01, 2020Observed: 2.51 ft at 1:15PM Aug 01, 2020Observed: 2.54 ft at 1:30PM Aug 01, 2020Observed: 2.58 ft at 1:45PM Aug 01, 2020Observed: 2.64 ft at 2:00PM Aug 01, 2020Observed: 2.74 ft at 2:15PM Aug 01, 2020Observed: 2.88 ft at 2:30PM Aug 01, 2020Observed: 3 ft at 2:45PM Aug 01, 2020Observed: 3.13 ft at 3:00PM Aug 01, 2020Observed: 3.27 ft at 3:15PM Aug 01, 2020Observed: 3.41 ft at 3:30PM Aug 01, 2020Observed: 3.55 ft at 3:45PM Aug 01, 2020Observed: 3.7 ft at 4:00PM Aug 01, 2020Observed: 3.84 ft at 4:15PM Aug 01, 2020Observed: 3.99 ft at 4:30PM Aug 01, 2020Observed: 4.13 ft at 4:45PM Aug 01, 2020Observed: 4.26 ft at 5:00PM Aug 01, 2020Observed: 4.39 ft at 5:15PM Aug 01, 2020Observed: 4.52 ft at 5:30PM Aug 01, 2020Observed: 4.64 ft at 5:45PM Aug 01, 2020Observed: 4.75 ft at 6:00PM Aug 01, 2020Observed: 4.85 ft at 6:15PM Aug 01, 2020Observed: 4.94 ft at 6:30PM Aug 01, 2020Observed: 5.02 ft at 6:45PM Aug 01, 2020Observed: 5.1 ft at 7:00PM Aug 01, 2020Observed: 5.14 ft at 7:15PM Aug 01, 2020Observed: 5.17 ft at 7:30PM Aug 01, 2020Observed: 5.18 ft at 7:45PM Aug 01, 2020Observed: 5.16 ft at 8:00PM Aug 01, 2020Observed: 5.11 ft at 8:15PM Aug 01, 2020Observed: 5.04 ft at 8:30PM Aug 01, 2020Observed: 4.95 ft at 8:45PM Aug 01, 2020Observed: 4.83 ft at 9:00PM Aug 01, 2020Observed: 4.71 ft at 9:15PM Aug 01, 2020Observed: 4.59 ft at 9:30PM Aug 01, 2020Observed: 4.48 ft at 9:45PM Aug 01, 2020Observed: 4.3 ft at 10:00PM Aug 01, 2020Observed: 4.12 ft at 10:15PM Aug 01, 2020Observed: 4 ft at 10:30PM Aug 01, 2020Observed: 3.92 ft at 10:45PM Aug 01, 2020Observed: 3.8 ft at 11:00PM Aug 01, 2020Observed: 3.73 ft at 11:15PM Aug 01, 2020Observed: 3.7 ft at 11:30PM Aug 01, 2020Observed: 3.72 ft at 11:45PM Aug 01, 2020Observed: 3.77 ft at 12:00AM Aug 02, 2020Observed: 3.85 ft at 12:15AM Aug 02, 2020Observed: 3.94 ft at 12:30AM Aug 02, 2020Observed: 3.98 ft at 12:45AM Aug 02, 2020Observed: 4.09 ft at 1:00AM Aug 02, 2020Observed: 4.22 ft at 1:15AM Aug 02, 2020Observed: 4.43 ft at 1:30AM Aug 02, 2020Observed: 4.56 ft at 1:45AM Aug 02, 2020Observed: 4.71 ft at 2:00AM Aug 02, 2020Observed: 4.88 ft at 2:15AM Aug 02, 2020Observed: 5.06 ft at 2:30AM Aug 02, 2020Observed: 5.21 ft at 2:45AM Aug 02, 2020Observed: 5.36 ft at 3:00AM Aug 02, 2020Observed: 5.51 ft at 3:15AM Aug 02, 2020Observed: 5.65 ft at 3:30AM Aug 02, 2020Observed: 5.77 ft at 3:45AM Aug 02, 2020Observed: 5.89 ft at 4:00AM Aug 02, 2020Observed: 6.01 ft at 4:15AM Aug 02, 2020Observed: 6.13 ft at 4:30AM Aug 02, 2020Observed: 6.22 ft at 4:45AM Aug 02, 2020Observed: 6.32 ft at 5:00AM Aug 02, 2020Observed: 6.39 ft at 5:15AM Aug 02, 2020Observed: 6.44 ft at 5:30AM Aug 02, 2020Observed: 6.46 ft at 5:45AM Aug 02, 2020Observed: 6.47 ft at 6:00AM Aug 02, 2020Observed: 6.42 ft at 6:15AM Aug 02, 2020Observed: 6.35 ft at 6:30AM Aug 02, 2020Observed: 6.25 ft at 6:45AM Aug 02, 2020Observed: 6.12 ft at 7:00AM Aug 02, 2020Observed: 5.98 ft at 7:15AM Aug 02, 2020Observed: 5.84 ft at 7:30AM Aug 02, 2020Observed: 5.69 ft at 7:45AM Aug 02, 2020Observed: 5.55 ft at 8:00AM Aug 02, 2020Observed: 5.4 ft at 8:15AM Aug 02, 2020Observed: 5.26 ft at 8:30AM Aug 02, 2020Observed: 5.08 ft at 8:45AM Aug 02, 2020Observed: 4.87 ft at 9:00AM Aug 02, 2020Observed: 4.69 ft at 9:15AM Aug 02, 2020Observed: 4.53 ft at 9:30AM Aug 02, 2020Observed: 4.35 ft at 9:45AM Aug 02, 2020Observed: 4.18 ft at 10:00AM Aug 02, 2020Observed: 4.03 ft at 10:15AM Aug 02, 2020Observed: 3.9 ft at 10:30AM Aug 02, 2020Observed: 3.75 ft at 10:45AM Aug 02, 2020Observed: 3.63 ft at 11:00AM Aug 02, 2020Observed: 3.52 ft at 11:15AM Aug 02, 2020Observed: 3.39 ft at 11:30AM Aug 02, 2020Observed: 3.28 ft at 11:45AM Aug 02, 2020Observed: 3.18 ft at 12:00PM Aug 02, 2020Observed: 3.05 ft at 12:15PM Aug 02, 2020Observed: 2.95 ft at 12:30PM Aug 02, 2020Observed: 2.87 ft at 12:45PM Aug 02, 2020Observed: 2.79 ft at 1:00PM Aug 02, 2020Observed: 2.73 ft at 1:15PM Aug 02, 2020Observed: 2.65 ft at 1:30PM Aug 02, 2020Observed: 2.57 ft at 1:45PM Aug 02, 2020Observed: 2.54 ft at 2:00PM Aug 02, 2020Observed: 2.55 ft at 2:15PM Aug 02, 2020Observed: 2.59 ft at 2:30PM Aug 02, 2020Observed: 2.66 ft at 2:45PM Aug 02, 2020Observed: 2.78 ft at 3:00PM Aug 02, 2020Observed: 2.91 ft at 3:15PM Aug 02, 2020Observed: 3.04 ft at 3:30PM Aug 02, 2020Observed: 3.18 ft at 3:45PM Aug 02, 2020Observed: 3.34 ft at 4:00PM Aug 02, 2020Observed: 3.47 ft at 4:15PM Aug 02, 2020Observed: 3.62 ft at 4:30PM Aug 02, 2020Observed: 3.78 ft at 4:45PM Aug 02, 2020Observed: 3.93 ft at 5:00PM Aug 02, 2020Observed: 4.08 ft at 5:15PM Aug 02, 2020Observed: 4.24 ft at 5:30PM Aug 02, 2020Observed: 4.37 ft at 5:45PM Aug 02, 2020Observed: 4.5 ft at 6:00PM Aug 02, 2020Observed: 4.61 ft at 6:15PM Aug 02, 2020Observed: 4.74 ft at 6:30PM Aug 02, 2020Observed: 4.85 ft at 6:45PM Aug 02, 2020Observed: 4.94 ft at 7:00PM Aug 02, 2020Observed: 5.04 ft at 7:15PM Aug 02, 2020Observed: 5.1 ft at 7:30PM Aug 02, 2020Observed: 5.16 ft at 7:45PM Aug 02, 2020Observed: 5.2 ft at 8:00PM Aug 02, 2020Observed: 5.22 ft at 8:15PM Aug 02, 2020Observed: 5.21 ft at 8:30PM Aug 02, 2020Observed: 5.17 ft at 8:45PM Aug 02, 2020Observed: 5.1 ft at 9:00PM Aug 02, 2020Observed: 5.01 ft at 9:15PM Aug 02, 2020Observed: 4.91 ft at 9:30PM Aug 02, 2020Observed: 4.79 ft at 9:45PM Aug 02, 2020Observed: 4.67 ft at 10:00PM Aug 02, 2020Observed: 4.55 ft at 10:15PM Aug 02, 2020Observed: 4.44 ft at 10:30PM Aug 02, 2020Observed: 4.3 ft at 10:45PM Aug 02, 2020Observed: 4.19 ft at 11:00PM Aug 02, 2020Observed: 4.06 ft at 11:15PM Aug 02, 2020Observed: 3.94 ft at 11:30PM Aug 02, 2020Observed: 3.84 ft at 11:45PM Aug 02, 2020Observed: 3.76 ft at 12:00AM Aug 03, 2020Observed: 3.7 ft at 12:15AM Aug 03, 2020Observed: 3.65 ft at 12:30AM Aug 03, 2020Observed: 3.65 ft at 12:45AM Aug 03, 2020Observed: 3.68 ft at 1:00AM Aug 03, 2020Observed: 3.76 ft at 1:15AM Aug 03, 2020Observed: 3.84 ft at 1:30AM Aug 03, 2020Observed: 3.94 ft at 1:45AM Aug 03, 2020Observed: 4.14 ft at 2:00AM Aug 03, 2020Observed: 4.31 ft at 2:15AM Aug 03, 2020Observed: 4.46 ft at 2:30AM Aug 03, 2020Observed: 4.61 ft at 2:45AM Aug 03, 2020Observed: 4.8 ft at 3:00AM Aug 03, 2020Observed: 4.97 ft at 3:15AM Aug 03, 2020Observed: 5.12 ft at 3:30AM Aug 03, 2020Observed: 5.28 ft at 3:45AM Aug 03, 2020Observed: 5.42 ft at 4:00AM Aug 03, 2020Observed: 5.55 ft at 4:15AM Aug 03, 2020Observed: 5.68 ft at 4:30AM Aug 03, 2020Observed: 5.81 ft at 4:45AM Aug 03, 2020Observed: 5.93 ft at 5:00AM Aug 03, 2020Observed: 6.03 ft at 5:15AM Aug 03, 2020Observed: 6.14 ft at 5:30AM Aug 03, 2020Observed: 6.23 ft at 5:45AM Aug 03, 2020Observed: 6.3 ft at 6:00AM Aug 03, 2020Observed: 6.36 ft at 6:15AM Aug 03, 2020Observed: 6.39 ft at 6:30AM Aug 03, 2020Observed: 6.39 ft at 6:45AM Aug 03, 2020Observed: 6.35 ft at 7:00AM Aug 03, 2020Observed: 6.27 ft at 7:15AM Aug 03, 2020Observed: 6.16 ft at 7:30AM Aug 03, 2020Observed: 6.03 ft at 7:45AM Aug 03, 2020Observed: 5.88 ft at 8:00AM Aug 03, 2020Observed: 5.74 ft at 8:15AM Aug 03, 2020Observed: 5.6 ft at 8:30AM Aug 03, 2020Observed: 5.47 ft at 8:45AM Aug 03, 2020Observed: 5.33 ft at 9:00AM Aug 03, 2020Observed: 5.19 ft at 9:15AM Aug 03, 2020Observed: 5.01 ft at 9:30AM Aug 03, 2020Observed: 4.84 ft at 9:45AM Aug 03, 2020Observed: 4.63 ft at 10:00AM Aug 03, 2020Observed: 4.48 ft at 10:15AM Aug 03, 2020Observed: 4.3 ft at 10:30AM Aug 03, 2020Observed: 4.14 ft at 10:45AM Aug 03, 2020Observed: 3.99 ft at 11:00AM Aug 03, 2020Observed: 3.86 ft at 11:15AM Aug 03, 2020Observed: 3.73 ft at 11:30AM Aug 03, 2020Observed: 3.59 ft at 11:45AM Aug 03, 2020Observed: 3.47 ft at 12:00PM Aug 03, 2020Observed: 3.36 ft at 12:15PM Aug 03, 2020Observed: 3.23 ft at 12:30PM Aug 03, 2020Observed: 3.1 ft at 12:45PM Aug 03, 2020Observed: 2.98 ft at 1:00PM Aug 03, 2020Observed: 2.88 ft at 1:15PM Aug 03, 2020Observed: 2.76 ft at 1:30PM Aug 03, 2020Observed: 2.66 ft at 1:45PM Aug 03, 2020Observed: 2.6 ft at 2:00PM Aug 03, 2020Observed: 2.53 ft at 2:15PM Aug 03, 2020Observed: 2.47 ft at 2:30PM Aug 03, 2020Observed: 2.46 ft at 2:45PM Aug 03, 2020Observed: 2.5 ft at 3:00PM Aug 03, 2020Observed: 2.58 ft at 3:15PM Aug 03, 2020Observed: 2.67 ft at 3:30PM Aug 03, 2020Observed: 2.78 ft at 3:45PM Aug 03, 2020Observed: 2.9 ft at 4:00PM Aug 03, 2020Observed: 3.05 ft at 4:15PM Aug 03, 2020Observed: 3.18 ft at 4:30PM Aug 03, 2020Observed: 3.31 ft at 4:45PM Aug 03, 2020Observed: 3.45 ft at 5:00PM Aug 03, 2020Observed: 3.59 ft at 5:15PM Aug 03, 2020Observed: 3.75 ft at 5:30PM Aug 03, 2020Observed: 3.91 ft at 5:45PM Aug 03, 2020Observed: 4.06 ft at 6:00PM Aug 03, 2020Observed: 4.19 ft at 6:15PM Aug 03, 2020Observed: 4.32 ft at 6:30PM Aug 03, 2020Observed: 4.44 ft at 6:45PM Aug 03, 2020Observed: 4.57 ft at 7:00PM Aug 03, 2020Observed: 4.69 ft at 7:15PM Aug 03, 2020Observed: 4.8 ft at 7:30PM Aug 03, 2020Observed: 4.9 ft at 7:45PM Aug 03, 2020Observed: 4.98 ft at 8:00PM Aug 03, 2020Observed: 5.06 ft at 8:15PM Aug 03, 2020Observed: 5.12 ft at 8:30PM Aug 03, 2020Observed: 5.15 ft at 8:45PM Aug 03, 2020Observed: 5.16 ft at 9:00PM Aug 03, 2020Observed: 5.16 ft at 9:15PM Aug 03, 2020USGS--Water Resources of the United StatesOHFC1(plotting HGIRG) Graph Created (11:30PM Aug 3, 2020)ObservedLatest observed value: 5.16 ft at 9:15 PM PDT 3-Aug-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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.
Zoom Level:16
KML Image
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.
About This Location Collapse

Latitude: 37.891111° N, Longitude: 121.569167° 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 Not Available Not Available 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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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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