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Hydrograph River at a Glance Download
San Joaquin River at Mossdale Bridge Stage (ft)Flow (kcfs)Observed: 6.15 ft at 8:45AM May 13, 2021Observed: 6.18 ft at 9:00AM May 13, 2021Observed: 6.19 ft at 9:15AM May 13, 2021Observed: 6.17 ft at 9:30AM May 13, 2021Observed: 6.14 ft at 9:45AM May 13, 2021Observed: 6.09 ft at 10:00AM May 13, 2021Observed: 6.04 ft at 10:15AM May 13, 2021Observed: 5.98 ft at 10:30AM May 13, 2021Observed: 5.91 ft at 10:45AM May 13, 2021Observed: 5.83 ft at 11:00AM May 13, 2021Observed: 5.74 ft at 11:15AM May 13, 2021Observed: 5.69 ft at 11:30AM May 13, 2021Observed: 5.61 ft at 11:45AM May 13, 2021Observed: 5.53 ft at 12:00PM May 13, 2021Observed: 5.46 ft at 12:15PM May 13, 2021Observed: 5.38 ft at 12:30PM May 13, 2021Observed: 5.31 ft at 12:45PM May 13, 2021Observed: 5.23 ft at 1:00PM May 13, 2021Observed: 5.16 ft at 1:15PM May 13, 2021Observed: 5.08 ft at 1:30PM May 13, 2021Observed: 5 ft at 1:45PM May 13, 2021Observed: 4.93 ft at 2:00PM May 13, 2021Observed: 4.85 ft at 2:15PM May 13, 2021Observed: 4.79 ft at 2:30PM May 13, 2021Observed: 4.71 ft at 2:45PM May 13, 2021Observed: 4.63 ft at 3:00PM May 13, 2021Observed: 4.56 ft at 3:15PM May 13, 2021Observed: 4.48 ft at 3:30PM May 13, 2021Observed: 4.41 ft at 3:45PM May 13, 2021Observed: 4.34 ft at 4:00PM May 13, 2021Observed: 4.26 ft at 4:15PM May 13, 2021Observed: 4.18 ft at 4:30PM May 13, 2021Observed: 4.12 ft at 4:45PM May 13, 2021Observed: 4.05 ft at 5:00PM May 13, 2021Observed: 3.98 ft at 5:15PM May 13, 2021Observed: 3.93 ft at 5:30PM May 13, 2021Observed: 3.89 ft at 5:45PM May 13, 2021Observed: 3.87 ft at 6:00PM May 13, 2021Observed: 3.9 ft at 6:15PM May 13, 2021Observed: 3.99 ft at 6:30PM May 13, 2021Observed: 4.07 ft at 6:45PM May 13, 2021Observed: 4.14 ft at 7:00PM May 13, 2021Observed: 4.22 ft at 7:15PM May 13, 2021Observed: 4.3 ft at 7:30PM May 13, 2021Observed: 4.36 ft at 7:45PM May 13, 2021Observed: 4.42 ft at 8:00PM May 13, 2021Observed: 4.49 ft at 8:15PM May 13, 2021Observed: 4.56 ft at 8:30PM May 13, 2021Observed: 4.63 ft at 8:45PM May 13, 2021Observed: 4.7 ft at 9:00PM May 13, 2021Observed: 4.77 ft at 9:15PM May 13, 2021Observed: 4.85 ft at 9:30PM May 13, 2021Observed: 4.91 ft at 9:45PM May 13, 2021Observed: 4.99 ft at 10:00PM May 13, 2021Observed: 5.06 ft at 10:15PM May 13, 2021Observed: 5.12 ft at 10:30PM May 13, 2021Observed: 5.18 ft at 10:45PM May 13, 2021Observed: 5.24 ft at 11:00PM May 13, 2021Observed: 5.28 ft at 11:15PM May 13, 2021Observed: 5.32 ft at 11:30PM May 13, 2021Observed: 5.33 ft at 11:45PM May 13, 2021Observed: 5.31 ft at 12:00AM May 14, 2021Observed: 5.28 ft at 12:15AM May 14, 2021Observed: 5.26 ft at 12:30AM May 14, 2021Observed: 5.21 ft at 12:45AM May 14, 2021Observed: 5.16 ft at 1:00AM May 14, 2021Observed: 5.11 ft at 1:15AM May 14, 2021Observed: 5.06 ft at 1:30AM May 14, 2021Observed: 5.01 ft at 1:45AM May 14, 2021Observed: 4.95 ft at 2:00AM May 14, 2021Observed: 4.9 ft at 2:15AM May 14, 2021Observed: 4.84 ft at 2:30AM May 14, 2021Observed: 4.81 ft at 2:45AM May 14, 2021Observed: 4.76 ft at 3:00AM May 14, 2021Observed: 4.73 ft at 3:15AM May 14, 2021Observed: 4.7 ft at 3:30AM May 14, 2021Observed: 4.71 ft at 3:45AM May 14, 2021Observed: 4.77 ft at 4:00AM May 14, 2021Observed: 4.85 ft at 4:15AM May 14, 2021Observed: 4.93 ft at 4:30AM May 14, 2021Observed: 5.01 ft at 4:45AM May 14, 2021Observed: 5.09 ft at 5:00AM May 14, 2021Observed: 5.17 ft at 5:15AM May 14, 2021Observed: 5.25 ft at 5:30AM May 14, 2021Observed: 5.33 ft at 5:45AM May 14, 2021Observed: 5.41 ft at 6:00AM May 14, 2021Observed: 5.49 ft at 6:15AM May 14, 2021Observed: 5.59 ft at 6:30AM May 14, 2021Observed: 5.67 ft at 6:45AM May 14, 2021Observed: 5.75 ft at 7:00AM May 14, 2021Observed: 5.84 ft at 7:15AM May 14, 2021Observed: 5.93 ft at 7:30AM May 14, 2021Observed: 6.02 ft at 7:45AM May 14, 2021Observed: 6.09 ft at 8:00AM May 14, 2021Observed: 6.18 ft at 8:15AM May 14, 2021Observed: 6.25 ft at 8:30AM May 14, 2021Observed: 6.31 ft at 8:45AM May 14, 2021Observed: 6.37 ft at 9:00AM May 14, 2021Observed: 6.4 ft at 9:15AM May 14, 2021Observed: 6.42 ft at 9:30AM May 14, 2021Observed: 6.4 ft at 9:45AM May 14, 2021Observed: 6.36 ft at 10:00AM May 14, 2021Observed: 6.33 ft at 10:15AM May 14, 2021Observed: 6.27 ft at 10:30AM May 14, 2021Observed: 6.21 ft at 10:45AM May 14, 2021Observed: 6.14 ft at 11:00AM May 14, 2021Observed: 6.08 ft at 11:15AM May 14, 2021Observed: 6.01 ft at 11:30AM May 14, 2021Observed: 5.93 ft at 11:45AM May 14, 2021Observed: 5.85 ft at 12:00PM May 14, 2021Observed: 5.78 ft at 12:15PM May 14, 2021Observed: 5.7 ft at 12:30PM May 14, 2021Observed: 5.64 ft at 12:45PM May 14, 2021Observed: 5.56 ft at 1:00PM May 14, 2021Observed: 5.48 ft at 1:15PM May 14, 2021Observed: 5.41 ft at 1:30PM May 14, 2021Observed: 5.33 ft at 1:45PM May 14, 2021Observed: 5.26 ft at 2:00PM May 14, 2021Observed: 5.19 ft at 2:15PM May 14, 2021Observed: 5.12 ft at 2:30PM May 14, 2021Observed: 5.05 ft at 2:45PM May 14, 2021Observed: 4.97 ft at 3:00PM May 14, 2021Observed: 4.91 ft at 3:15PM May 14, 2021Observed: 4.83 ft at 3:30PM May 14, 2021Observed: 4.76 ft at 3:45PM May 14, 2021Observed: 4.68 ft at 4:00PM May 14, 2021Observed: 4.61 ft at 4:15PM May 14, 2021Observed: 4.54 ft at 4:30PM May 14, 2021Observed: 4.47 ft at 4:45PM May 14, 2021Observed: 4.4 ft at 5:00PM May 14, 2021Observed: 4.32 ft at 5:15PM May 14, 2021Observed: 4.25 ft at 5:30PM May 14, 2021Observed: 4.18 ft at 5:45PM May 14, 2021Observed: 4.12 ft at 6:00PM May 14, 2021Observed: 4.05 ft at 6:15PM May 14, 2021Observed: 4.01 ft at 6:30PM May 14, 2021Observed: 3.98 ft at 6:45PM May 14, 2021Observed: 4.01 ft at 7:00PM May 14, 2021Observed: 4.08 ft at 7:15PM May 14, 2021Observed: 4.15 ft at 7:30PM May 14, 2021Observed: 4.23 ft at 7:45PM May 14, 2021Observed: 4.29 ft at 8:00PM May 14, 2021Observed: 4.35 ft at 8:15PM May 14, 2021Observed: 4.41 ft at 8:30PM May 14, 2021Observed: 4.46 ft at 8:45PM May 14, 2021Observed: 4.52 ft at 9:00PM May 14, 2021Observed: 4.57 ft at 9:15PM May 14, 2021Observed: 4.66 ft at 9:30PM May 14, 2021Observed: 4.75 ft at 9:45PM May 14, 2021Observed: 4.81 ft at 10:00PM May 14, 2021Observed: 4.87 ft at 10:15PM May 14, 2021Observed: 4.94 ft at 10:30PM May 14, 2021Observed: 4.99 ft at 10:45PM May 14, 2021Observed: 5.04 ft at 11:00PM May 14, 2021Observed: 5.13 ft at 11:15PM May 14, 2021Observed: 5.21 ft at 11:30PM May 14, 2021Observed: 5.23 ft at 11:45PM May 14, 2021Observed: 5.28 ft at 12:00AM May 15, 2021Observed: 5.3 ft at 12:15AM May 15, 2021Observed: 5.34 ft at 12:30AM May 15, 2021Observed: 5.35 ft at 12:45AM May 15, 2021Observed: 5.33 ft at 1:00AM May 15, 2021Observed: 5.28 ft at 1:15AM May 15, 2021Observed: 5.27 ft at 1:30AM May 15, 2021Observed: 5.23 ft at 1:45AM May 15, 2021Observed: 5.2 ft at 2:00AM May 15, 2021Observed: 5.15 ft at 2:15AM May 15, 2021Observed: 5.11 ft at 2:30AM May 15, 2021Observed: 5.08 ft at 2:45AM May 15, 2021Observed: 5.05 ft at 3:00AM May 15, 2021Observed: 5 ft at 3:15AM May 15, 2021Observed: 4.98 ft at 3:30AM May 15, 2021Observed: 4.96 ft at 3:45AM May 15, 2021Observed: 4.94 ft at 4:00AM May 15, 2021Observed: 4.96 ft at 4:15AM May 15, 2021Observed: 5.02 ft at 4:30AM May 15, 2021Observed: 5.07 ft at 4:45AM May 15, 2021Observed: 5.13 ft at 5:00AM May 15, 2021Observed: 5.2 ft at 5:15AM May 15, 2021Observed: 5.27 ft at 5:30AM May 15, 2021Observed: 5.34 ft at 5:45AM May 15, 2021Observed: 5.41 ft at 6:00AM May 15, 2021Observed: 5.49 ft at 6:15AM May 15, 2021Observed: 5.56 ft at 6:30AM May 15, 2021Observed: 5.65 ft at 6:45AM May 15, 2021Observed: 5.72 ft at 7:00AM May 15, 2021Observed: 5.79 ft at 7:15AM May 15, 2021Observed: 5.87 ft at 7:30AM May 15, 2021Observed: 5.95 ft at 7:45AM May 15, 2021Observed: 6.04 ft at 8:00AM May 15, 2021Observed: 6.11 ft at 8:15AM May 15, 2021Observed: 6.19 ft at 8:30AM May 15, 2021Observed: 6.25 ft at 8:45AM May 15, 2021Observed: 6.31 ft at 9:00AM May 15, 2021Observed: 6.37 ft at 9:15AM May 15, 2021Observed: 6.41 ft at 9:30AM May 15, 2021Highest Observation: 6.43 ft at 9:45AM May 15, 2021Observed: 6.42 ft at 10:00AM May 15, 2021Observed: 6.4 ft at 10:15AM May 15, 2021Observed: 6.36 ft at 10:30AM May 15, 2021Observed: 6.32 ft at 10:45AM May 15, 2021Observed: 6.27 ft at 11:00AM May 15, 2021Observed: 6.19 ft at 11:15AM May 15, 2021Observed: 6.12 ft at 11:30AM May 15, 2021Observed: 6.06 ft at 11:45AM May 15, 2021Observed: 5.98 ft at 12:00PM May 15, 2021Observed: 5.9 ft at 12:15PM May 15, 2021Observed: 5.83 ft at 12:30PM May 15, 2021Observed: 5.76 ft at 12:45PM May 15, 2021Observed: 5.68 ft at 1:00PM May 15, 2021Observed: 5.61 ft at 1:15PM May 15, 2021Observed: 5.53 ft at 1:30PM May 15, 2021Observed: 5.46 ft at 1:45PM May 15, 2021Observed: 5.38 ft at 2:00PM May 15, 2021Observed: 5.3 ft at 2:15PM May 15, 2021Observed: 5.23 ft at 2:30PM May 15, 2021Observed: 5.15 ft at 2:45PM May 15, 2021Observed: 5.08 ft at 3:00PM May 15, 2021Observed: 5 ft at 3:15PM May 15, 2021Observed: 4.93 ft at 3:30PM May 15, 2021Observed: 4.85 ft at 3:45PM May 15, 2021Observed: 4.77 ft at 4:00PM May 15, 2021Observed: 4.7 ft at 4:15PM May 15, 2021Observed: 4.62 ft at 4:30PM May 15, 2021Observed: 4.55 ft at 4:45PM May 15, 2021Observed: 4.47 ft at 5:00PM May 15, 2021Observed: 4.4 ft at 5:15PM May 15, 2021Observed: 4.32 ft at 5:30PM May 15, 2021Observed: 4.25 ft at 5:45PM May 15, 2021Observed: 4.17 ft at 6:00PM May 15, 2021Observed: 4.1 ft at 6:15PM May 15, 2021Observed: 4.03 ft at 6:30PM May 15, 2021Observed: 3.96 ft at 6:45PM May 15, 2021Observed: 3.9 ft at 7:00PM May 15, 2021Observed: 3.86 ft at 7:15PM May 15, 2021Observed: 3.84 ft at 7:30PM May 15, 2021Observed: 3.86 ft at 7:45PM May 15, 2021Observed: 3.93 ft at 8:00PM May 15, 2021Observed: 4.02 ft at 8:15PM May 15, 2021Observed: 4.09 ft at 8:30PM May 15, 2021Observed: 4.15 ft at 8:45PM May 15, 2021Observed: 4.22 ft at 9:00PM May 15, 2021Observed: 4.28 ft at 9:15PM May 15, 2021Observed: 4.34 ft at 9:30PM May 15, 2021Observed: 4.41 ft at 9:45PM May 15, 2021Observed: 4.47 ft at 10:00PM May 15, 2021Observed: 4.54 ft at 10:15PM May 15, 2021Observed: 4.61 ft at 10:30PM May 15, 2021Observed: 4.69 ft at 10:45PM May 15, 2021Observed: 4.77 ft at 11:00PM May 15, 2021Observed: 4.83 ft at 11:15PM May 15, 2021Observed: 4.9 ft at 11:30PM May 15, 2021Observed: 4.97 ft at 11:45PM May 15, 2021Observed: 5.04 ft at 12:00AM May 16, 2021Observed: 5.11 ft at 12:15AM May 16, 2021Observed: 5.17 ft at 12:30AM May 16, 2021Observed: 5.23 ft at 12:45AM May 16, 2021Observed: 5.28 ft at 1:00AM May 16, 2021Observed: 5.33 ft at 1:15AM May 16, 2021Observed: 5.36 ft at 1:30AM May 16, 2021Observed: 5.38 ft at 1:45AM May 16, 2021Observed: 5.37 ft at 2:00AM May 16, 2021Observed: 5.36 ft at 2:15AM May 16, 2021Observed: 5.33 ft at 2:30AM May 16, 2021Observed: 5.3 ft at 2:45AM May 16, 2021Observed: 5.27 ft at 3:00AM May 16, 2021Observed: 5.24 ft at 3:15AM May 16, 2021Observed: 5.2 ft at 3:30AM May 16, 2021Observed: 5.17 ft at 3:45AM May 16, 2021Observed: 5.14 ft at 4:00AM May 16, 2021Observed: 5.12 ft at 4:15AM May 16, 2021Observed: 5.1 ft at 4:30AM May 16, 2021Observed: 5.09 ft at 4:45AM May 16, 2021Observed: 5.11 ft at 5:00AM May 16, 2021Observed: 5.16 ft at 5:15AM May 16, 2021Observed: 5.22 ft at 5:30AM May 16, 2021Observed: 5.29 ft at 5:45AM May 16, 2021Observed: 5.35 ft at 6:00AM May 16, 2021Observed: 5.43 ft at 6:15AM May 16, 2021Observed: 5.51 ft at 6:30AM May 16, 2021Observed: 5.58 ft at 6:45AM May 16, 2021Observed: 5.65 ft at 7:00AM May 16, 2021Observed: 5.74 ft at 7:15AM May 16, 2021Observed: 5.81 ft at 7:30AM May 16, 2021Observed: 5.89 ft at 7:45AM May 16, 2021Observed: 5.97 ft at 8:00AM May 16, 2021Highest Forecast: 5.1 ft 9:00AM May 16, 2021Highest Forecast: 5.1 ft 10:00AM May 16, 2021Highest Forecast: 5.1 ft 11:00AM May 16, 2021Highest Forecast: 5.1 ft 12:00PM May 16, 2021Highest Forecast: 5.1 ft 1:00PM May 16, 2021Highest Forecast: 5.1 ft 2:00PM May 16, 2021Highest Forecast: 5.1 ft 3:00PM May 16, 2021Highest Forecast: 5.1 ft 4:00PM May 16, 2021Highest Forecast: 5.1 ft 5:00PM May 16, 2021Highest Forecast: 5.1 ft 6:00PM May 16, 2021Highest Forecast: 5.1 ft 7:00PM May 16, 2021Highest Forecast: 5.1 ft 8:00PM May 16, 2021Highest Forecast: 5.1 ft 9:00PM May 16, 2021Highest Forecast: 5.1 ft 10:00PM May 16, 2021Highest Forecast: 5.1 ft 11:00PM May 16, 2021Highest Forecast: 5.1 ft 12:00AM May 17, 2021Highest Forecast: 5.1 ft 1:00AM May 17, 2021Highest Forecast: 5.1 ft 2:00AM May 17, 2021Highest Forecast: 5.1 ft 3:00AM May 17, 2021Highest Forecast: 5.1 ft 4:00AM May 17, 2021Highest Forecast: 5.1 ft 5:00AM May 17, 2021Highest Forecast: 5.1 ft 6:00AM May 17, 2021Highest Forecast: 5.1 ft 7:00AM May 17, 2021Highest Forecast: 5.1 ft 8:00AM May 17, 2021Highest Forecast: 5.1 ft 9:00AM May 17, 2021Highest Forecast: 5.1 ft 10:00AM May 17, 2021Highest Forecast: 5.1 ft 11:00AM May 17, 2021Highest Forecast: 5.1 ft 12:00PM May 17, 2021Highest Forecast: 5.1 ft 1:00PM May 17, 2021Highest Forecast: 5.1 ft 2:00PM May 17, 2021Highest Forecast: 5.1 ft 3:00PM May 17, 2021Highest Forecast: 5.1 ft 4:00PM May 17, 2021Highest Forecast: 5.1 ft 5:00PM May 17, 2021Highest Forecast: 5.1 ft 6:00PM May 17, 2021Highest Forecast: 5.1 ft 7:00PM May 17, 2021Highest Forecast: 5.1 ft 8:00PM May 17, 2021Highest Forecast: 5.1 ft 9:00PM May 17, 2021Highest Forecast: 5.1 ft 10:00PM May 17, 2021Highest Forecast: 5.1 ft 11:00PM May 17, 2021Highest Forecast: 5.1 ft 12:00AM May 18, 2021Highest Forecast: 5.1 ft 1:00AM May 18, 2021Highest Forecast: 5.1 ft 2:00AM May 18, 2021Highest Forecast: 5.1 ft 3:00AM May 18, 2021Highest Forecast: 5.1 ft 4:00AM May 18, 2021Highest Forecast: 5.1 ft 5:00AM May 18, 2021Highest Forecast: 5.1 ft 6:00AM May 18, 2021Highest Forecast: 5.1 ft 7:00AM May 18, 2021Highest Forecast: 5.1 ft 8:00AM May 18, 2021Highest Forecast: 5.1 ft 9:00AM May 18, 2021Highest Forecast: 5.1 ft 10:00AM May 18, 2021Highest Forecast: 5.1 ft 11:00AM May 18, 2021Highest Forecast: 5.1 ft 12:00PM May 18, 2021Highest Forecast: 5.1 ft 1:00PM May 18, 2021Highest Forecast: 5.1 ft 2:00PM May 18, 2021Highest Forecast: 5.1 ft 3:00PM May 18, 2021Highest Forecast: 5.1 ft 4:00PM May 18, 2021Highest Forecast: 5.1 ft 5:00PM May 18, 2021Highest Forecast: 5.1 ft 6:00PM May 18, 2021Highest Forecast: 5.1 ft 7:00PM May 18, 2021Highest Forecast: 5.1 ft 8:00PM May 18, 2021Highest Forecast: 5.1 ft 9:00PM May 18, 2021Highest Forecast: 5.1 ft 10:00PM May 18, 2021Highest Forecast: 5.1 ft 11:00PM May 18, 2021Highest Forecast: 5.1 ft 12:00AM May 19, 2021Highest Forecast: 5.1 ft 1:00AM May 19, 2021Highest Forecast: 5.1 ft 2:00AM May 19, 2021Highest Forecast: 5.1 ft 3:00AM May 19, 2021Highest Forecast: 5.1 ft 4:00AM May 19, 2021Highest Forecast: 5.1 ft 5:00AM May 19, 2021Highest Forecast: 5.1 ft 6:00AM May 19, 2021Highest Forecast: 5.1 ft 7:00AM May 19, 2021Highest Forecast: 5.1 ft 8:00AM May 19, 2021Highest Forecast: 5.1 ft 9:00AM May 19, 2021Highest Forecast: 5.1 ft 10:00AM May 19, 2021Highest Forecast: 5.1 ft 11:00AM May 19, 2021Highest Forecast: 5.1 ft 12:00PM May 19, 2021Highest Forecast: 5.1 ft 1:00PM May 19, 2021Highest Forecast: 5.1 ft 2:00PM May 19, 2021Highest Forecast: 5.1 ft 3:00PM May 19, 2021Highest Forecast: 5.1 ft 4:00PM May 19, 2021Highest Forecast: 5.1 ft 5:00PM May 19, 2021Highest Forecast: 5.1 ft 6:00PM May 19, 2021Highest Forecast: 5.1 ft 7:00PM May 19, 2021Highest Forecast: 5.1 ft 8:00PM May 19, 2021Highest Forecast: 5.1 ft 9:00PM May 19, 2021Highest Forecast: 5.1 ft 10:00PM May 19, 2021Highest Forecast: 5.1 ft 11:00PM May 19, 2021Highest Forecast: 5.1 ft 12:00AM May 20, 2021Highest Forecast: 5.1 ft 1:00AM May 20, 2021Highest Forecast: 5.1 ft 2:00AM May 20, 2021Highest Forecast: 5.1 ft 3:00AM May 20, 2021Highest Forecast: 5.1 ft 4:00AM May 20, 2021Highest Forecast: 5.1 ft 5:00AM May 20, 2021Highest Forecast: 5.1 ft 6:00AM May 20, 2021Highest Forecast: 5.1 ft 7:00AM May 20, 2021Highest Forecast: 5.1 ft 8:00AM May 20, 2021Highest Forecast: 5.1 ft 9:00AM May 20, 2021Highest Forecast: 5.1 ft 10:00AM May 20, 2021Forecast: 5 ft 11:00AM May 20, 2021Forecast: 5 ft 12:00PM May 20, 2021Forecast: 5 ft 1:00PM May 20, 2021Forecast: 5 ft 2:00PM May 20, 2021Forecast: 5 ft 3:00PM May 20, 2021Forecast: 5 ft 4:00PM May 20, 2021Forecast: 5 ft 5:00PM May 20, 2021Forecast: 5 ft 6:00PM May 20, 2021Forecast: 5 ft 7:00PM May 20, 2021Forecast: 5 ft 8:00PM May 20, 2021Forecast: 5 ft 9:00PM May 20, 2021Forecast: 5 ft 10:00PM May 20, 2021Forecast: 5 ft 11:00PM May 20, 2021Forecast: 5 ft 12:00AM May 21, 2021Forecast: 5 ft 1:00AM May 21, 2021Forecast: 5 ft 2:00AM May 21, 2021Forecast: 5 ft 3:00AM May 21, 2021Forecast: 5 ft 4:00AM May 21, 2021Forecast: 5 ft 5:00AM May 21, 2021MOSC1(plotting HGIRG) Graph Created (8:38AM May 16, 2021)ObservedForecast (issued 7:18AM May 16)Latest observed value: 5.97 ft at 8:00 AM PDT 16-May-2021. Flood Stage is 28.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Crests prior to 10/1/2006 are in an old datum. Datum change to NAVD88 occurred 10/1/2006. See LINK for correction value.

NOTE: Forecasts for the San Joaquin River at Mossdale Bridge are issued routinely year-round.

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Upstream Gauge - at Vernalis Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 33.1
Moderate Flood Stage: 32.1
Flood Stage: 28.5
Action Stage: 19.5
Low Stage (in feet): 0

Historic Crests
(1) 21.70 ft on 02/23/2017
(2) 18.15 ft on 03/07/2001
(3) 17.87 ft on 04/03/2011
(4) 17.19 ft on 04/13/2006
(5) 17.13 ft on 02/14/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.84 ft on 03/04/2019
(2) 10.43 ft on 04/08/2018
(3) 21.70 ft on 02/23/2017
(4) 7.29 ft on 03/16/2016
(5) 6.99 ft on 12/21/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
33.1 Stages above 33.1 feet result in flooding outside of the levees. Top of levee.
16.39 Historically Mossdale Trailer Park evacuates.
15.4 Mossdale Trailer Park is threatened by the high water. Mossdale Trailer Park is on the south side of the river inside the levee both upstream and downstream of the gage.
About This Location Collapse

Latitude: 37.786111° N, Longitude: 121.306111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 28.5 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 0 ft 26.2 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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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
Sacramento Weather Forecast Office

Sacramento, CA
(916) 979-3051
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