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Hydrograph River at a Glance Download
Merced River at Happy Isles Stage (ft)Flow (kcfs)Observed: 4.64 ft at 1:30AM May 05, 2021Observed: 4.66 ft at 1:45AM May 05, 2021Observed: 4.67 ft at 2:00AM May 05, 2021Observed: 4.7 ft at 2:15AM May 05, 2021Observed: 4.65 ft at 2:30AM May 05, 2021Observed: 4.67 ft at 2:45AM May 05, 2021Observed: 4.68 ft at 3:00AM May 05, 2021Observed: 4.7 ft at 3:15AM May 05, 2021Observed: 4.66 ft at 3:30AM May 05, 2021Observed: 4.64 ft at 3:45AM May 05, 2021Observed: 4.71 ft at 4:00AM May 05, 2021Observed: 4.7 ft at 4:15AM May 05, 2021Observed: 4.73 ft at 4:30AM May 05, 2021Observed: 4.7 ft at 4:45AM May 05, 2021Observed: 4.68 ft at 5:00AM May 05, 2021Observed: 4.67 ft at 5:15AM May 05, 2021Observed: 4.65 ft at 5:30AM May 05, 2021Observed: 4.66 ft at 5:45AM May 05, 2021Observed: 4.63 ft at 6:00AM May 05, 2021Observed: 4.64 ft at 6:15AM May 05, 2021Observed: 4.63 ft at 6:30AM May 05, 2021Observed: 4.64 ft at 6:45AM May 05, 2021Observed: 4.64 ft at 7:00AM May 05, 2021Observed: 4.61 ft at 7:15AM May 05, 2021Observed: 4.63 ft at 7:30AM May 05, 2021Observed: 4.62 ft at 7:45AM May 05, 2021Observed: 4.61 ft at 8:00AM May 05, 2021Observed: 4.61 ft at 8:15AM May 05, 2021Observed: 4.59 ft at 8:30AM May 05, 2021Observed: 4.55 ft at 8:45AM May 05, 2021Observed: 4.63 ft at 9:00AM May 05, 2021Observed: 4.56 ft at 9:15AM May 05, 2021Observed: 4.57 ft at 9:30AM May 05, 2021Observed: 4.6 ft at 9:45AM May 05, 2021Observed: 4.55 ft at 10:00AM May 05, 2021Observed: 4.55 ft at 10:15AM May 05, 2021Observed: 4.53 ft at 10:30AM May 05, 2021Observed: 4.51 ft at 10:45AM May 05, 2021Observed: 4.5 ft at 11:00AM May 05, 2021Observed: 4.49 ft at 11:15AM May 05, 2021Observed: 4.51 ft at 11:30AM May 05, 2021Observed: 4.46 ft at 11:45AM May 05, 2021Observed: 4.48 ft at 12:00PM May 05, 2021Observed: 4.48 ft at 12:15PM May 05, 2021Observed: 4.43 ft at 12:30PM May 05, 2021Observed: 4.4 ft at 12:45PM May 05, 2021Observed: 4.42 ft at 1:00PM May 05, 2021Observed: 4.41 ft at 1:15PM May 05, 2021Observed: 4.38 ft at 1:30PM May 05, 2021Observed: 4.4 ft at 1:45PM May 05, 2021Observed: 4.36 ft at 2:00PM May 05, 2021Observed: 4.37 ft at 2:15PM May 05, 2021Observed: 4.34 ft at 2:30PM May 05, 2021Observed: 4.31 ft at 2:45PM May 05, 2021Observed: 4.35 ft at 3:00PM May 05, 2021Observed: 4.3 ft at 3:15PM May 05, 2021Observed: 4.32 ft at 3:30PM May 05, 2021Observed: 4.31 ft at 3:45PM May 05, 2021Observed: 4.3 ft at 4:00PM May 05, 2021Observed: 4.24 ft at 4:15PM May 05, 2021Observed: 4.27 ft at 4:30PM May 05, 2021Observed: 4.24 ft at 4:45PM May 05, 2021Observed: 4.23 ft at 5:00PM May 05, 2021Observed: 4.23 ft at 5:15PM May 05, 2021Observed: 4.29 ft at 5:30PM May 05, 2021Observed: 4.24 ft at 5:45PM May 05, 2021Observed: 4.27 ft at 6:00PM May 05, 2021Observed: 4.25 ft at 6:15PM May 05, 2021Observed: 4.33 ft at 6:30PM May 05, 2021Observed: 4.29 ft at 6:45PM May 05, 2021Observed: 4.31 ft at 7:00PM May 05, 2021Observed: 4.35 ft at 7:15PM May 05, 2021Observed: 4.37 ft at 7:30PM May 05, 2021Observed: 4.43 ft at 7:45PM May 05, 2021Observed: 4.47 ft at 8:00PM May 05, 2021Observed: 4.53 ft at 8:15PM May 05, 2021Observed: 4.57 ft at 8:30PM May 05, 2021Observed: 4.6 ft at 8:45PM May 05, 2021Observed: 4.63 ft at 9:00PM May 05, 2021Observed: 4.66 ft at 9:15PM May 05, 2021Observed: 4.67 ft at 9:30PM May 05, 2021Observed: 4.75 ft at 9:45PM May 05, 2021Observed: 4.79 ft at 10:00PM May 05, 2021Observed: 4.8 ft at 10:15PM May 05, 2021Observed: 4.89 ft at 10:30PM May 05, 2021Observed: 4.87 ft at 10:45PM May 05, 2021Observed: 4.88 ft at 11:00PM May 05, 2021Observed: 4.85 ft at 11:15PM May 05, 2021Observed: 4.89 ft at 11:30PM May 05, 2021Observed: 4.93 ft at 11:45PM May 05, 2021Observed: 4.93 ft at 12:00AM May 06, 2021Observed: 5 ft at 12:15AM May 06, 2021Observed: 4.99 ft at 12:30AM May 06, 2021Observed: 4.98 ft at 12:45AM May 06, 2021Observed: 4.96 ft at 1:00AM May 06, 2021Observed: 5 ft at 1:15AM May 06, 2021Observed: 5 ft at 1:30AM May 06, 2021Observed: 4.97 ft at 1:45AM May 06, 2021Observed: 4.96 ft at 2:00AM May 06, 2021Observed: 4.99 ft at 2:15AM May 06, 2021Observed: 5 ft at 2:30AM May 06, 2021Observed: 5.01 ft at 2:45AM May 06, 2021Observed: 5.01 ft at 3:00AM May 06, 2021Observed: 4.97 ft at 3:15AM May 06, 2021Observed: 4.96 ft at 3:30AM May 06, 2021Observed: 5.01 ft at 3:45AM May 06, 2021Observed: 4.97 ft at 4:00AM May 06, 2021Observed: 4.96 ft at 4:15AM May 06, 2021Observed: 4.99 ft at 4:30AM May 06, 2021Observed: 4.99 ft at 4:45AM May 06, 2021Observed: 4.98 ft at 5:00AM May 06, 2021Observed: 4.96 ft at 5:15AM May 06, 2021Observed: 4.99 ft at 5:30AM May 06, 2021Observed: 4.97 ft at 5:45AM May 06, 2021Observed: 4.98 ft at 6:00AM May 06, 2021Observed: 4.92 ft at 6:15AM May 06, 2021Observed: 4.93 ft at 6:30AM May 06, 2021Observed: 4.94 ft at 6:45AM May 06, 2021Observed: 4.92 ft at 7:00AM May 06, 2021Observed: 4.92 ft at 7:15AM May 06, 2021Observed: 4.9 ft at 7:30AM May 06, 2021Observed: 4.9 ft at 7:45AM May 06, 2021Observed: 4.9 ft at 8:00AM May 06, 2021Observed: 4.94 ft at 8:15AM May 06, 2021Observed: 4.91 ft at 8:30AM May 06, 2021Observed: 4.87 ft at 8:45AM May 06, 2021Observed: 4.86 ft at 9:00AM May 06, 2021Observed: 4.86 ft at 9:15AM May 06, 2021Observed: 4.82 ft at 9:30AM May 06, 2021Observed: 4.81 ft at 9:45AM May 06, 2021Observed: 4.82 ft at 10:00AM May 06, 2021Observed: 4.79 ft at 10:15AM May 06, 2021Observed: 4.75 ft at 10:30AM May 06, 2021Observed: 4.79 ft at 10:45AM May 06, 2021Observed: 4.75 ft at 11:00AM May 06, 2021Observed: 4.74 ft at 11:15AM May 06, 2021Observed: 4.72 ft at 11:30AM May 06, 2021Observed: 4.7 ft at 11:45AM May 06, 2021Observed: 4.68 ft at 12:00PM May 06, 2021Observed: 4.68 ft at 12:15PM May 06, 2021Observed: 4.74 ft at 12:30PM May 06, 2021Observed: 4.71 ft at 12:45PM May 06, 2021Observed: 4.66 ft at 1:00PM May 06, 2021Observed: 4.66 ft at 1:15PM May 06, 2021Observed: 4.62 ft at 1:30PM May 06, 2021Observed: 4.59 ft at 1:45PM May 06, 2021Observed: 4.56 ft at 2:00PM May 06, 2021Observed: 4.6 ft at 2:15PM May 06, 2021Observed: 4.55 ft at 2:30PM May 06, 2021Observed: 4.52 ft at 2:45PM May 06, 2021Observed: 4.52 ft at 3:00PM May 06, 2021Observed: 4.52 ft at 3:15PM May 06, 2021Observed: 4.5 ft at 3:30PM May 06, 2021Observed: 4.46 ft at 3:45PM May 06, 2021Observed: 4.48 ft at 4:00PM May 06, 2021Observed: 4.48 ft at 4:15PM May 06, 2021Observed: 4.46 ft at 4:30PM May 06, 2021Observed: 4.48 ft at 4:45PM May 06, 2021Observed: 4.4 ft at 5:00PM May 06, 2021Observed: 4.45 ft at 5:15PM May 06, 2021Observed: 4.43 ft at 5:30PM May 06, 2021Observed: 4.42 ft at 5:45PM May 06, 2021Observed: 4.44 ft at 6:00PM May 06, 2021Observed: 4.44 ft at 6:15PM May 06, 2021Observed: 4.43 ft at 6:30PM May 06, 2021Observed: 4.45 ft at 6:45PM May 06, 2021Observed: 4.46 ft at 7:00PM May 06, 2021Observed: 4.48 ft at 7:15PM May 06, 2021Observed: 4.52 ft at 7:30PM May 06, 2021Observed: 4.55 ft at 7:45PM May 06, 2021Observed: 4.59 ft at 8:00PM May 06, 2021Observed: 4.6 ft at 8:15PM May 06, 2021Observed: 4.63 ft at 8:30PM May 06, 2021Observed: 4.66 ft at 8:45PM May 06, 2021Observed: 4.7 ft at 9:00PM May 06, 2021Observed: 4.74 ft at 9:15PM May 06, 2021Observed: 4.76 ft at 9:30PM May 06, 2021Observed: 4.8 ft at 9:45PM May 06, 2021Observed: 4.81 ft at 10:00PM May 06, 2021Observed: 4.88 ft at 10:15PM May 06, 2021Observed: 4.85 ft at 10:30PM May 06, 2021Observed: 4.86 ft at 10:45PM May 06, 2021Observed: 4.89 ft at 11:00PM May 06, 2021Observed: 4.92 ft at 11:15PM May 06, 2021Observed: 4.95 ft at 11:30PM May 06, 2021Observed: 4.98 ft at 11:45PM May 06, 2021Observed: 4.96 ft at 12:00AM May 07, 2021Observed: 4.99 ft at 12:15AM May 07, 2021Observed: 4.99 ft at 12:30AM May 07, 2021Observed: 5 ft at 12:45AM May 07, 2021Observed: 4.99 ft at 1:00AM May 07, 2021Observed: 4.99 ft at 1:15AM May 07, 2021Observed: 5 ft at 1:30AM May 07, 2021Observed: 5 ft at 1:45AM May 07, 2021Observed: 5 ft at 2:00AM May 07, 2021Observed: 4.99 ft at 2:15AM May 07, 2021Highest Observation: 5.02 ft at 2:30AM May 07, 2021Observed: 4.97 ft at 2:45AM May 07, 2021Observed: 4.96 ft at 3:00AM May 07, 2021Observed: 5 ft at 3:15AM May 07, 2021Observed: 4.98 ft at 3:30AM May 07, 2021Observed: 5.01 ft at 3:45AM May 07, 2021Observed: 4.98 ft at 4:00AM May 07, 2021Observed: 4.99 ft at 4:15AM May 07, 2021Observed: 5.01 ft at 4:30AM May 07, 2021Observed: 4.98 ft at 4:45AM May 07, 2021Observed: 4.98 ft at 5:00AM May 07, 2021Observed: 4.97 ft at 5:15AM May 07, 2021Observed: 4.98 ft at 5:30AM May 07, 2021Observed: 4.96 ft at 5:45AM May 07, 2021Observed: 4.92 ft at 6:00AM May 07, 2021Observed: 4.92 ft at 6:15AM May 07, 2021Observed: 4.92 ft at 6:30AM May 07, 2021Observed: 4.93 ft at 6:45AM May 07, 2021Observed: 4.88 ft at 7:00AM May 07, 2021Observed: 4.89 ft at 7:15AM May 07, 2021Observed: 4.91 ft at 7:30AM May 07, 2021Observed: 4.87 ft at 7:45AM May 07, 2021Observed: 4.9 ft at 8:00AM May 07, 2021Observed: 4.86 ft at 8:15AM May 07, 2021Observed: 4.84 ft at 8:30AM May 07, 2021Observed: 4.83 ft at 8:45AM May 07, 2021Observed: 4.84 ft at 9:00AM May 07, 2021Observed: 4.78 ft at 9:15AM May 07, 2021Observed: 4.78 ft at 9:30AM May 07, 2021Observed: 4.82 ft at 9:45AM May 07, 2021Observed: 4.76 ft at 10:00AM May 07, 2021Observed: 4.75 ft at 10:15AM May 07, 2021Observed: 4.76 ft at 10:30AM May 07, 2021Observed: 4.73 ft at 10:45AM May 07, 2021Observed: 4.72 ft at 11:00AM May 07, 2021Observed: 4.72 ft at 11:15AM May 07, 2021Observed: 4.71 ft at 11:30AM May 07, 2021Observed: 4.66 ft at 11:45AM May 07, 2021Observed: 4.66 ft at 12:00PM May 07, 2021Observed: 4.67 ft at 12:15PM May 07, 2021Observed: 4.63 ft at 12:30PM May 07, 2021Observed: 4.59 ft at 12:45PM May 07, 2021Observed: 4.61 ft at 1:00PM May 07, 2021Observed: 4.59 ft at 1:15PM May 07, 2021Observed: 4.57 ft at 1:30PM May 07, 2021Observed: 4.55 ft at 1:45PM May 07, 2021Observed: 4.55 ft at 2:00PM May 07, 2021Observed: 4.54 ft at 2:15PM May 07, 2021Observed: 4.49 ft at 2:30PM May 07, 2021Observed: 4.49 ft at 2:45PM May 07, 2021Observed: 4.51 ft at 3:00PM May 07, 2021Observed: 4.47 ft at 3:15PM May 07, 2021Observed: 4.5 ft at 3:30PM May 07, 2021Observed: 4.45 ft at 3:45PM May 07, 2021Observed: 4.44 ft at 4:00PM May 07, 2021Observed: 4.42 ft at 4:15PM May 07, 2021Observed: 4.38 ft at 4:30PM May 07, 2021Observed: 4.37 ft at 4:45PM May 07, 2021Observed: 4.37 ft at 5:00PM May 07, 2021Observed: 4.37 ft at 5:15PM May 07, 2021Observed: 4.36 ft at 5:30PM May 07, 2021Observed: 4.32 ft at 5:45PM May 07, 2021Observed: 4.33 ft at 6:00PM May 07, 2021Observed: 4.3 ft at 6:15PM May 07, 2021Observed: 4.34 ft at 6:30PM May 07, 2021Observed: 4.32 ft at 6:45PM May 07, 2021Observed: 4.31 ft at 7:00PM May 07, 2021Observed: 4.32 ft at 7:15PM May 07, 2021Observed: 4.3 ft at 7:30PM May 07, 2021Observed: 4.31 ft at 7:45PM May 07, 2021Observed: 4.32 ft at 8:00PM May 07, 2021Observed: 4.31 ft at 8:15PM May 07, 2021Observed: 4.34 ft at 8:30PM May 07, 2021Observed: 4.35 ft at 8:45PM May 07, 2021Observed: 4.35 ft at 9:00PM May 07, 2021Observed: 4.39 ft at 9:15PM May 07, 2021Observed: 4.41 ft at 9:30PM May 07, 2021Observed: 4.4 ft at 9:45PM May 07, 2021Observed: 4.4 ft at 10:00PM May 07, 2021Observed: 4.43 ft at 10:15PM May 07, 2021Observed: 4.47 ft at 10:30PM May 07, 2021Observed: 4.46 ft at 10:45PM May 07, 2021Observed: 4.5 ft at 11:00PM May 07, 2021Observed: 4.49 ft at 11:15PM May 07, 2021Observed: 4.51 ft at 11:30PM May 07, 2021Observed: 4.54 ft at 11:45PM May 07, 2021Observed: 4.55 ft at 12:00AM May 08, 2021Observed: 4.55 ft at 12:15AM May 08, 2021Observed: 4.5 ft at 12:30AM May 08, 2021Observed: 4.54 ft at 12:45AM May 08, 2021Observed: 4.57 ft at 1:00AM May 08, 2021Observed: 4.55 ft at 1:15AM May 08, 2021Observed: 4.55 ft at 1:30AM May 08, 2021Observed: 4.56 ft at 1:45AM May 08, 2021Observed: 4.59 ft at 2:00AM May 08, 2021Observed: 4.56 ft at 2:15AM May 08, 2021Observed: 4.61 ft at 2:30AM May 08, 2021Observed: 4.55 ft at 2:45AM May 08, 2021Observed: 4.56 ft at 3:00AM May 08, 2021Observed: 4.54 ft at 3:15AM May 08, 2021Observed: 4.6 ft at 3:30AM May 08, 2021Observed: 4.52 ft at 3:45AM May 08, 2021Observed: 4.52 ft at 4:00AM May 08, 2021Observed: 4.5 ft at 4:15AM May 08, 2021Observed: 4.54 ft at 4:30AM May 08, 2021Observed: 4.53 ft at 4:45AM May 08, 2021Observed: 4.51 ft at 5:00AM May 08, 2021Observed: 4.54 ft at 5:15AM May 08, 2021Observed: 4.5 ft at 5:30AM May 08, 2021Observed: 4.5 ft at 5:45AM May 08, 2021Observed: 4.55 ft at 6:00AM May 08, 2021Observed: 4.52 ft at 6:15AM May 08, 2021Observed: 4.5 ft at 6:30AM May 08, 2021Observed: 4.48 ft at 6:45AM May 08, 2021Observed: 4.47 ft at 7:00AM May 08, 2021Observed: 4.48 ft at 7:15AM May 08, 2021Observed: 4.45 ft at 7:30AM May 08, 2021Observed: 4.46 ft at 7:45AM May 08, 2021Observed: 4.47 ft at 8:00AM May 08, 2021Observed: 4.45 ft at 8:15AM May 08, 2021Observed: 4.43 ft at 8:30AM May 08, 2021Observed: 4.4 ft at 8:45AM May 08, 2021Observed: 4.43 ft at 9:00AM May 08, 2021Observed: 4.43 ft at 9:15AM May 08, 2021Observed: 4.44 ft at 9:30AM May 08, 2021Observed: 4.38 ft at 9:45AM May 08, 2021Observed: 4.39 ft at 10:00AM May 08, 2021Observed: 4.41 ft at 10:15AM May 08, 2021Observed: 4.35 ft at 10:30AM May 08, 2021Observed: 4.38 ft at 10:45AM May 08, 2021Observed: 4.39 ft at 11:00AM May 08, 2021Observed: 4.33 ft at 11:15AM May 08, 2021Observed: 4.32 ft at 11:30AM May 08, 2021Observed: 4.31 ft at 11:45AM May 08, 2021Observed: 4.33 ft at 12:00PM May 08, 2021Observed: 4.31 ft at 12:15PM May 08, 2021Observed: 4.3 ft at 12:30PM May 08, 2021Observed: 4.26 ft at 12:45PM May 08, 2021Observed: 4.26 ft at 1:00PM May 08, 2021Observed: 4.23 ft at 1:15PM May 08, 2021Observed: 4.24 ft at 1:30PM May 08, 2021Observed: 4.25 ft at 1:45PM May 08, 2021Observed: 4.21 ft at 2:00PM May 08, 2021Observed: 4.24 ft at 2:15PM May 08, 2021Observed: 4.17 ft at 2:30PM May 08, 2021Observed: 4.22 ft at 2:45PM May 08, 2021Observed: 4.18 ft at 3:00PM May 08, 2021Observed: 4.17 ft at 3:15PM May 08, 2021Observed: 4.16 ft at 3:30PM May 08, 2021Observed: 4.16 ft at 3:45PM May 08, 2021Observed: 4.15 ft at 4:00PM May 08, 2021Observed: 4.11 ft at 4:15PM May 08, 2021Observed: 4.1 ft at 4:30PM May 08, 2021Observed: 4.11 ft at 4:45PM May 08, 2021Observed: 4.1 ft at 5:00PM May 08, 2021Observed: 4.1 ft at 5:15PM May 08, 2021Observed: 4.09 ft at 5:30PM May 08, 2021Observed: 4.09 ft at 5:45PM May 08, 2021Observed: 4.05 ft at 6:00PM May 08, 2021Observed: 4.06 ft at 6:15PM May 08, 2021Observed: 4.05 ft at 6:30PM May 08, 2021Observed: 4.07 ft at 6:45PM May 08, 2021Observed: 4.04 ft at 7:00PM May 08, 2021Observed: 4.04 ft at 7:15PM May 08, 2021Observed: 4.01 ft at 7:30PM May 08, 2021Observed: 4.03 ft at 7:45PM May 08, 2021Observed: 4.03 ft at 8:00PM May 08, 2021Observed: 4.03 ft at 8:15PM May 08, 2021Observed: 4.08 ft at 8:30PM May 08, 2021Observed: 4.13 ft at 8:45PM May 08, 2021Observed: 4.05 ft at 9:00PM May 08, 2021Observed: 4.09 ft at 9:15PM May 08, 2021Observed: 4.12 ft at 9:30PM May 08, 2021Observed: 4.11 ft at 9:45PM May 08, 2021Observed: 4.12 ft at 10:00PM May 08, 2021Observed: 4.13 ft at 10:15PM May 08, 2021Observed: 4.14 ft at 10:30PM May 08, 2021Observed: 4.17 ft at 10:45PM May 08, 2021Observed: 4.17 ft at 11:00PM May 08, 2021Observed: 4.22 ft at 11:15PM May 08, 2021Observed: 4.2 ft at 11:30PM May 08, 2021Observed: 4.2 ft at 11:45PM May 08, 2021Observed: 4.25 ft at 12:00AM May 09, 2021Observed: 4.24 ft at 12:15AM May 09, 2021Observed: 4.26 ft at 12:30AM May 09, 2021Observed: 4.25 ft at 12:45AM May 09, 2021Observed: 4.28 ft at 1:00AM May 09, 2021Observed: 4.29 ft at 1:15AM May 09, 2021Observed: 4.29 ft at 1:30AM May 09, 2021Observed: 4.32 ft at 1:45AM May 09, 2021Observed: 4.3 ft at 2:00AM May 09, 2021Observed: 4.27 ft at 2:15AM May 09, 2021Observed: 4.3 ft at 2:30AM May 09, 2021Observed: 4.31 ft at 2:45AM May 09, 2021Observed: 4.32 ft at 3:00AM May 09, 2021Observed: 4.27 ft at 3:15AM May 09, 2021Observed: 4.31 ft at 3:30AM May 09, 2021Observed: 4.29 ft at 3:45AM May 09, 2021Observed: 4.28 ft at 4:00AM May 09, 2021Observed: 4.31 ft at 4:15AM May 09, 2021Observed: 4.29 ft at 4:30AM May 09, 2021Observed: 4.28 ft at 4:45AM May 09, 2021Observed: 4.3 ft at 5:00AM May 09, 2021Observed: 4.27 ft at 5:15AM May 09, 2021Observed: 4.28 ft at 5:30AM May 09, 2021Observed: 4.26 ft at 5:45AM May 09, 2021Observed: 4.28 ft at 6:00AM May 09, 2021Observed: 4.25 ft at 6:15AM May 09, 2021Observed: 4.26 ft at 6:30AM May 09, 2021Observed: 4.29 ft at 6:45AM May 09, 2021Observed: 4.25 ft at 7:00AM May 09, 2021Observed: 4.27 ft at 7:15AM May 09, 2021Observed: 4.29 ft at 7:30AM May 09, 2021Observed: 4.26 ft at 7:45AM May 09, 2021Observed: 4.24 ft at 8:00AM May 09, 2021Observed: 4.21 ft at 8:15AM May 09, 2021Observed: 4.24 ft at 8:30AM May 09, 2021Observed: 4.22 ft at 8:45AM May 09, 2021Observed: 4.24 ft at 9:00AM May 09, 2021Observed: 4.21 ft at 9:15AM May 09, 2021Observed: 4.21 ft at 9:30AM May 09, 2021Observed: 4.21 ft at 9:45AM May 09, 2021Observed: 4.22 ft at 10:00AM May 09, 2021Observed: 4.2 ft at 10:15AM May 09, 2021Observed: 4.19 ft at 10:30AM May 09, 2021Observed: 4.24 ft at 10:45AM May 09, 2021Observed: 4.19 ft at 11:00AM May 09, 2021Observed: 4.16 ft at 11:15AM May 09, 2021Observed: 4.17 ft at 11:30AM May 09, 2021Observed: 4.18 ft at 11:45AM May 09, 2021Observed: 4.16 ft at 12:00PM May 09, 2021Observed: 4.18 ft at 12:15PM May 09, 2021Observed: 4.12 ft at 12:30PM May 09, 2021Observed: 4.11 ft at 12:45PM May 09, 2021Observed: 4.13 ft at 1:00PM May 09, 2021Observed: 4.13 ft at 1:15PM May 09, 2021Observed: 4.1 ft at 1:30PM May 09, 2021Observed: 4.09 ft at 1:45PM May 09, 2021Observed: 4.1 ft at 2:00PM May 09, 2021Observed: 4.11 ft at 2:15PM May 09, 2021Observed: 4.07 ft at 2:30PM May 09, 2021Observed: 4.1 ft at 2:45PM May 09, 2021Observed: 4.06 ft at 3:00PM May 09, 2021Observed: 4.07 ft at 3:15PM May 09, 2021Observed: 4.05 ft at 3:30PM May 09, 2021Observed: 4.05 ft at 3:45PM May 09, 2021Observed: 4.04 ft at 4:00PM May 09, 2021Observed: 4.02 ft at 4:15PM May 09, 2021Observed: 4 ft at 4:30PM May 09, 2021Observed: 4.02 ft at 4:45PM May 09, 2021Observed: 4.05 ft at 5:00PM May 09, 2021Observed: 3.98 ft at 5:15PM May 09, 2021Observed: 4.02 ft at 5:30PM May 09, 2021Observed: 3.99 ft at 5:45PM May 09, 2021Observed: 3.99 ft at 6:00PM May 09, 2021Observed: 3.95 ft at 6:15PM May 09, 2021Observed: 3.97 ft at 6:30PM May 09, 2021Observed: 3.96 ft at 6:45PM May 09, 2021Observed: 3.95 ft at 7:00PM May 09, 2021Observed: 3.96 ft at 7:15PM May 09, 2021Observed: 3.97 ft at 7:30PM May 09, 2021Observed: 3.97 ft at 7:45PM May 09, 2021Observed: 3.94 ft at 8:00PM May 09, 2021Observed: 3.95 ft at 8:15PM May 09, 2021Observed: 4 ft at 8:30PM May 09, 2021Observed: 3.96 ft at 8:45PM May 09, 2021Observed: 3.99 ft at 9:00PM May 09, 2021Observed: 4 ft at 9:15PM May 09, 2021Observed: 4 ft at 9:30PM May 09, 2021Observed: 4 ft at 9:45PM May 09, 2021Observed: 4.02 ft at 10:00PM May 09, 2021Observed: 4.06 ft at 10:15PM May 09, 2021Observed: 4.08 ft at 10:30PM May 09, 2021Observed: 4.06 ft at 10:45PM May 09, 2021Observed: 4.06 ft at 11:00PM May 09, 2021Observed: 4.09 ft at 11:15PM May 09, 2021Observed: 4.08 ft at 11:30PM May 09, 2021Observed: 4.09 ft at 11:45PM May 09, 2021Observed: 4.14 ft at 12:00AM May 10, 2021Observed: 4.15 ft at 12:15AM May 10, 2021Observed: 4.13 ft at 12:30AM May 10, 2021Forecast: 4.4 ft 2:00AM May 10, 2021Forecast: 4.4 ft 3:00AM May 10, 2021Forecast: 4.4 ft 4:00AM May 10, 2021Forecast: 4.4 ft 5:00AM May 10, 2021Forecast: 4.4 ft 6:00AM May 10, 2021Forecast: 4.4 ft 7:00AM May 10, 2021Forecast: 4.3 ft 8:00AM May 10, 2021Forecast: 4.3 ft 9:00AM May 10, 2021Forecast: 4.3 ft 10:00AM May 10, 2021Forecast: 4.3 ft 11:00AM May 10, 2021Forecast: 4.2 ft 12:00PM May 10, 2021Forecast: 4.2 ft 1:00PM May 10, 2021Forecast: 4.2 ft 2:00PM May 10, 2021Forecast: 4.2 ft 3:00PM May 10, 2021Forecast: 4.1 ft 4:00PM May 10, 2021Forecast: 4.2 ft 5:00PM May 10, 2021Forecast: 4.2 ft 6:00PM May 10, 2021Forecast: 4.3 ft 7:00PM May 10, 2021Forecast: 4.3 ft 8:00PM May 10, 2021Forecast: 4.4 ft 9:00PM May 10, 2021Forecast: 4.5 ft 10:00PM May 10, 2021Forecast: 4.5 ft 11:00PM May 10, 2021Forecast: 4.5 ft 12:00AM May 11, 2021Forecast: 4.5 ft 1:00AM May 11, 2021Forecast: 4.6 ft 2:00AM May 11, 2021Forecast: 4.6 ft 3:00AM May 11, 2021Forecast: 4.6 ft 4:00AM May 11, 2021Forecast: 4.6 ft 5:00AM May 11, 2021Forecast: 4.6 ft 6:00AM May 11, 2021Forecast: 4.5 ft 7:00AM May 11, 2021Forecast: 4.5 ft 8:00AM May 11, 2021Forecast: 4.5 ft 9:00AM May 11, 2021Forecast: 4.4 ft 10:00AM May 11, 2021Forecast: 4.4 ft 11:00AM May 11, 2021Forecast: 4.4 ft 12:00PM May 11, 2021Forecast: 4.3 ft 1:00PM May 11, 2021Forecast: 4.3 ft 2:00PM May 11, 2021Forecast: 4.3 ft 3:00PM May 11, 2021Forecast: 4.3 ft 4:00PM May 11, 2021Forecast: 4.3 ft 5:00PM May 11, 2021Forecast: 4.4 ft 6:00PM May 11, 2021Forecast: 4.5 ft 7:00PM May 11, 2021Forecast: 4.5 ft 8:00PM May 11, 2021Forecast: 4.6 ft 9:00PM May 11, 2021Forecast: 4.7 ft 10:00PM May 11, 2021Forecast: 4.7 ft 11:00PM May 11, 2021Forecast: 4.7 ft 12:00AM May 12, 2021Forecast: 4.8 ft 1:00AM May 12, 2021Forecast: 4.8 ft 2:00AM May 12, 2021Forecast: 4.8 ft 3:00AM May 12, 2021Forecast: 4.8 ft 4:00AM May 12, 2021Forecast: 4.8 ft 5:00AM May 12, 2021Forecast: 4.8 ft 6:00AM May 12, 2021Forecast: 4.8 ft 7:00AM May 12, 2021Forecast: 4.7 ft 8:00AM May 12, 2021Forecast: 4.7 ft 9:00AM May 12, 2021Forecast: 4.7 ft 10:00AM May 12, 2021Forecast: 4.6 ft 11:00AM May 12, 2021Forecast: 4.6 ft 12:00PM May 12, 2021Forecast: 4.6 ft 1:00PM May 12, 2021Forecast: 4.6 ft 2:00PM May 12, 2021Forecast: 4.5 ft 3:00PM May 12, 2021Forecast: 4.5 ft 4:00PM May 12, 2021Forecast: 4.6 ft 5:00PM May 12, 2021Forecast: 4.6 ft 6:00PM May 12, 2021Forecast: 4.7 ft 7:00PM May 12, 2021Forecast: 4.8 ft 8:00PM May 12, 2021Forecast: 4.9 ft 9:00PM May 12, 2021Forecast: 5 ft 10:00PM May 12, 2021Forecast: 5 ft 11:00PM May 12, 2021Forecast: 5 ft 12:00AM May 13, 2021Forecast: 5.1 ft 1:00AM May 13, 2021Forecast: 5.1 ft 2:00AM May 13, 2021Forecast: 5.1 ft 3:00AM May 13, 2021Forecast: 5.1 ft 4:00AM May 13, 2021Forecast: 5.1 ft 5:00AM May 13, 2021Forecast: 5.1 ft 6:00AM May 13, 2021Forecast: 5 ft 7:00AM May 13, 2021Forecast: 5 ft 8:00AM May 13, 2021Forecast: 4.9 ft 9:00AM May 13, 2021Forecast: 4.9 ft 10:00AM May 13, 2021Forecast: 4.8 ft 11:00AM May 13, 2021Forecast: 4.8 ft 12:00PM May 13, 2021Forecast: 4.7 ft 1:00PM May 13, 2021Forecast: 4.7 ft 2:00PM May 13, 2021Forecast: 4.7 ft 3:00PM May 13, 2021Forecast: 4.7 ft 4:00PM May 13, 2021Forecast: 4.7 ft 5:00PM May 13, 2021Forecast: 4.8 ft 6:00PM May 13, 2021Forecast: 4.8 ft 7:00PM May 13, 2021Forecast: 4.9 ft 8:00PM May 13, 2021Forecast: 5 ft 9:00PM May 13, 2021Forecast: 5.1 ft 10:00PM May 13, 2021Forecast: 5.1 ft 11:00PM May 13, 2021Highest Forecast: 5.2 ft 12:00AM May 14, 2021Highest Forecast: 5.2 ft 1:00AM May 14, 2021Highest Forecast: 5.2 ft 2:00AM May 14, 2021Highest Forecast: 5.2 ft 3:00AM May 14, 2021Highest Forecast: 5.2 ft 4:00AM May 14, 2021Highest Forecast: 5.2 ft 5:00AM May 14, 2021HPIC1(plotting HGIRG) Graph Created (1:22AM May 10, 2021)ObservedForecast (issued 8:52AM May 9)Latest observed value: 4.13 ft at 12:30 AM PDT 10-May-2021. Flood Stage is 8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Merced River at Happy Isles are issued routinely year-round.

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Downstream Gauge Downstream Gauge - at Pohono Bridge
Flood Categories (in feet)
Major Flood Stage: 13.27
Moderate Flood Stage: 10
Flood Stage: 8
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests
(1) 13.27 ft on 01/02/1997
(2) 12.73 ft on 12/23/1955
(3) 11.55 ft on 11/18/1950

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.27 ft on 01/02/1997
(2) 12.73 ft on 12/23/1955
(3) 11.55 ft on 11/18/1950

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:13
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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
10 Northside and Southside Drive are impassable to vehicles. Water comes 1.5 feet up the side of the Yosemite Creek Lift Station and 1-2 inches above the foundation of pumps that control the Housekeeping Lift Station. Water flows 2 feet over Swinging Bridge.
9.5 Substantial road flooding occurs at Sentinel Crossover, Wosky Pond and Chapel Meadow. Water is approximately 1 foot deep on the road through Chapel Meadow.
7 Campgrounds at North Pines and Housekeeping Camp begin to flood.
About This Location Collapse

Latitude: 37.731667° N, Longitude: 119.557778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available 4016 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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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 Joaquin Valley Weather Forecast Office
900 Foggy Bottom Road
Hanford, CA 93230-5236
(559) 584-3752
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Page last modified: 2-Nov-2020 7:27 PM
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