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Hydrograph River at a Glance Download
San Joaquin River at Mossdale Bridge Stage (ft)Flow (kcfs)Highest Observation: 14.81 ft at 2:30PM Jan 23, 2023Highest Observation: 14.81 ft at 2:45PM Jan 23, 2023Observed: 14.79 ft at 3:00PM Jan 23, 2023Observed: 14.78 ft at 3:15PM Jan 23, 2023Observed: 14.78 ft at 3:30PM Jan 23, 2023Observed: 14.77 ft at 3:45PM Jan 23, 2023Observed: 14.79 ft at 4:00PM Jan 23, 2023Observed: 14.76 ft at 4:15PM Jan 23, 2023Observed: 14.76 ft at 4:30PM Jan 23, 2023Observed: 14.77 ft at 4:45PM Jan 23, 2023Observed: 14.78 ft at 5:00PM Jan 23, 2023Observed: 14.76 ft at 5:15PM Jan 23, 2023Observed: 14.78 ft at 5:30PM Jan 23, 2023Observed: 14.77 ft at 5:45PM Jan 23, 2023Observed: 14.78 ft at 6:00PM Jan 23, 2023Observed: 14.79 ft at 6:15PM Jan 23, 2023Observed: 14.78 ft at 6:30PM Jan 23, 2023Observed: 14.78 ft at 6:45PM Jan 23, 2023Observed: 14.77 ft at 7:00PM Jan 23, 2023Observed: 14.79 ft at 7:15PM Jan 23, 2023Observed: 14.78 ft at 7:30PM Jan 23, 2023Observed: 14.79 ft at 7:45PM Jan 23, 2023Observed: 14.78 ft at 8:00PM Jan 23, 2023Observed: 14.79 ft at 8:15PM Jan 23, 2023Observed: 14.79 ft at 8:30PM Jan 23, 2023Observed: 14.8 ft at 8:45PM Jan 23, 2023Observed: 14.78 ft at 9:00PM Jan 23, 2023Observed: 14.78 ft at 9:15PM Jan 23, 2023Observed: 14.8 ft at 9:30PM Jan 23, 2023Observed: 14.77 ft at 9:45PM Jan 23, 2023Observed: 14.78 ft at 10:00PM Jan 23, 2023Observed: 14.77 ft at 10:15PM Jan 23, 2023Observed: 14.76 ft at 10:30PM Jan 23, 2023Observed: 14.74 ft at 10:45PM Jan 23, 2023Observed: 14.74 ft at 11:00PM Jan 23, 2023Observed: 14.74 ft at 11:15PM Jan 23, 2023Observed: 14.75 ft at 11:30PM Jan 23, 2023Observed: 14.72 ft at 11:45PM Jan 23, 2023Observed: 14.71 ft at 12:00AM Jan 24, 2023Observed: 14.71 ft at 12:15AM Jan 24, 2023Observed: 14.71 ft at 12:30AM Jan 24, 2023Observed: 14.68 ft at 12:45AM Jan 24, 2023Observed: 14.7 ft at 1:00AM Jan 24, 2023Observed: 14.67 ft at 1:15AM Jan 24, 2023Observed: 14.65 ft at 1:30AM Jan 24, 2023Observed: 14.65 ft at 1:45AM Jan 24, 2023Observed: 14.61 ft at 2:00AM Jan 24, 2023Observed: 14.62 ft at 2:15AM Jan 24, 2023Observed: 14.59 ft at 2:30AM Jan 24, 2023Observed: 14.6 ft at 2:45AM Jan 24, 2023Observed: 14.58 ft at 3:00AM Jan 24, 2023Observed: 14.59 ft at 3:15AM Jan 24, 2023Observed: 14.56 ft at 3:30AM Jan 24, 2023Observed: 14.55 ft at 3:45AM Jan 24, 2023Observed: 14.52 ft at 4:00AM Jan 24, 2023Observed: 14.54 ft at 4:15AM Jan 24, 2023Observed: 14.53 ft at 4:30AM Jan 24, 2023Observed: 14.52 ft at 4:45AM Jan 24, 2023Observed: 14.49 ft at 5:00AM Jan 24, 2023Observed: 14.52 ft at 5:15AM Jan 24, 2023Observed: 14.52 ft at 5:30AM Jan 24, 2023Observed: 14.48 ft at 5:45AM Jan 24, 2023Observed: 14.49 ft at 6:00AM Jan 24, 2023Observed: 14.49 ft at 6:15AM Jan 24, 2023Observed: 14.47 ft at 6:30AM Jan 24, 2023Observed: 14.47 ft at 6:45AM Jan 24, 2023Observed: 14.47 ft at 7:00AM Jan 24, 2023Observed: 14.47 ft at 7:15AM Jan 24, 2023Observed: 14.47 ft at 7:30AM Jan 24, 2023Observed: 14.46 ft at 7:45AM Jan 24, 2023Observed: 14.46 ft at 8:00AM Jan 24, 2023Observed: 14.46 ft at 8:15AM Jan 24, 2023Observed: 14.46 ft at 8:30AM Jan 24, 2023Observed: 14.47 ft at 8:45AM Jan 24, 2023Observed: 14.44 ft at 9:00AM Jan 24, 2023Observed: 14.45 ft at 9:15AM Jan 24, 2023Observed: 14.46 ft at 9:30AM Jan 24, 2023Observed: 14.39 ft at 12:00PM Jan 24, 2023Observed: 14.4 ft at 12:15PM Jan 24, 2023Observed: 14.38 ft at 12:30PM Jan 24, 2023Observed: 14.39 ft at 12:45PM Jan 24, 2023Observed: 14.36 ft at 1:00PM Jan 24, 2023Observed: 14.36 ft at 1:15PM Jan 24, 2023Observed: 14.34 ft at 1:30PM Jan 24, 2023Observed: 14.36 ft at 1:45PM Jan 24, 2023Observed: 14.3 ft at 2:00PM Jan 24, 2023Observed: 14.33 ft at 2:15PM Jan 24, 2023Observed: 14.31 ft at 2:30PM Jan 24, 2023Observed: 14.32 ft at 2:45PM Jan 24, 2023Observed: 14.3 ft at 3:00PM Jan 24, 2023Observed: 14.31 ft at 3:15PM Jan 24, 2023Observed: 14.29 ft at 3:30PM Jan 24, 2023Observed: 14.27 ft at 3:45PM Jan 24, 2023Observed: 14.26 ft at 4:00PM Jan 24, 2023Observed: 14.25 ft at 4:15PM Jan 24, 2023Observed: 14.26 ft at 4:30PM Jan 24, 2023Observed: 14.26 ft at 4:45PM Jan 24, 2023Observed: 14.22 ft at 5:00PM Jan 24, 2023Observed: 14.26 ft at 5:15PM Jan 24, 2023Observed: 14.23 ft at 5:30PM Jan 24, 2023Observed: 14.23 ft at 5:45PM Jan 24, 2023Observed: 14.24 ft at 6:00PM Jan 24, 2023Observed: 14.26 ft at 6:15PM Jan 24, 2023Observed: 14.27 ft at 6:30PM Jan 24, 2023Observed: 14.23 ft at 6:45PM Jan 24, 2023Observed: 14.25 ft at 7:00PM Jan 24, 2023Observed: 14.23 ft at 7:15PM Jan 24, 2023Observed: 14.23 ft at 7:30PM Jan 24, 2023Observed: 14.24 ft at 7:45PM Jan 24, 2023Observed: 14.26 ft at 8:00PM Jan 24, 2023Observed: 14.24 ft at 8:15PM Jan 24, 2023Observed: 14.24 ft at 8:30PM Jan 24, 2023Observed: 14.25 ft at 8:45PM Jan 24, 2023Observed: 14.25 ft at 9:00PM Jan 24, 2023Observed: 14.26 ft at 9:15PM Jan 24, 2023Observed: 14.26 ft at 9:30PM Jan 24, 2023Observed: 14.24 ft at 9:45PM Jan 24, 2023Observed: 14.24 ft at 10:00PM Jan 24, 2023Observed: 14.22 ft at 10:15PM Jan 24, 2023Observed: 14.24 ft at 10:30PM Jan 24, 2023Observed: 14.23 ft at 10:45PM Jan 24, 2023Observed: 14.2 ft at 11:00PM Jan 24, 2023Observed: 14.2 ft at 11:15PM Jan 24, 2023Observed: 14.22 ft at 11:30PM Jan 24, 2023Observed: 14.22 ft at 11:45PM Jan 24, 2023Observed: 14.18 ft at 12:00AM Jan 25, 2023Observed: 14.19 ft at 12:15AM Jan 25, 2023Observed: 14.17 ft at 12:30AM Jan 25, 2023Observed: 14.18 ft at 12:45AM Jan 25, 2023Observed: 14.18 ft at 1:00AM Jan 25, 2023Observed: 14.16 ft at 1:15AM Jan 25, 2023Observed: 14.14 ft at 1:30AM Jan 25, 2023Observed: 14.14 ft at 1:45AM Jan 25, 2023Observed: 14.12 ft at 2:00AM Jan 25, 2023Observed: 14.13 ft at 2:15AM Jan 25, 2023Observed: 14.12 ft at 2:30AM Jan 25, 2023Observed: 14.11 ft at 2:45AM Jan 25, 2023Observed: 14.1 ft at 3:00AM Jan 25, 2023Observed: 14.09 ft at 3:15AM Jan 25, 2023Observed: 14.1 ft at 3:30AM Jan 25, 2023Observed: 14.08 ft at 3:45AM Jan 25, 2023Observed: 14.07 ft at 4:00AM Jan 25, 2023Observed: 14.06 ft at 4:15AM Jan 25, 2023Observed: 14.05 ft at 4:30AM Jan 25, 2023Observed: 14.02 ft at 4:45AM Jan 25, 2023Observed: 14.03 ft at 5:00AM Jan 25, 2023Observed: 14.02 ft at 5:15AM Jan 25, 2023Observed: 14 ft at 5:30AM Jan 25, 2023Observed: 14 ft at 5:45AM Jan 25, 2023Observed: 13.95 ft at 6:00AM Jan 25, 2023Observed: 13.98 ft at 6:15AM Jan 25, 2023Observed: 13.97 ft at 6:30AM Jan 25, 2023Observed: 13.98 ft at 6:45AM Jan 25, 2023Observed: 13.96 ft at 7:00AM Jan 25, 2023Observed: 13.97 ft at 7:15AM Jan 25, 2023Observed: 13.99 ft at 7:30AM Jan 25, 2023Observed: 13.97 ft at 7:45AM Jan 25, 2023Observed: 13.96 ft at 8:00AM Jan 25, 2023Observed: 13.93 ft at 8:15AM Jan 25, 2023Observed: 13.93 ft at 8:30AM Jan 25, 2023Observed: 13.94 ft at 8:45AM Jan 25, 2023Observed: 13.93 ft at 9:00AM Jan 25, 2023Observed: 13.93 ft at 9:15AM Jan 25, 2023Observed: 13.93 ft at 9:30AM Jan 25, 2023Observed: 13.93 ft at 9:45AM Jan 25, 2023Observed: 13.94 ft at 10:00AM Jan 25, 2023Observed: 13.94 ft at 10:15AM Jan 25, 2023Observed: 13.94 ft at 10:30AM Jan 25, 2023Observed: 13.94 ft at 10:45AM Jan 25, 2023Observed: 13.93 ft at 11:00AM Jan 25, 2023Observed: 13.93 ft at 11:15AM Jan 25, 2023Observed: 13.91 ft at 11:30AM Jan 25, 2023Observed: 13.91 ft at 11:45AM Jan 25, 2023Observed: 13.9 ft at 12:00PM Jan 25, 2023Observed: 13.91 ft at 12:15PM Jan 25, 2023Observed: 13.9 ft at 12:30PM Jan 25, 2023Observed: 13.9 ft at 12:45PM Jan 25, 2023Observed: 13.88 ft at 1:00PM Jan 25, 2023Observed: 13.89 ft at 1:15PM Jan 25, 2023Observed: 13.88 ft at 1:30PM Jan 25, 2023Observed: 13.89 ft at 1:45PM Jan 25, 2023Observed: 13.88 ft at 2:00PM Jan 25, 2023Observed: 13.86 ft at 2:15PM Jan 25, 2023Observed: 13.86 ft at 2:30PM Jan 25, 2023Observed: 13.86 ft at 2:45PM Jan 25, 2023Observed: 13.84 ft at 3:00PM Jan 25, 2023Observed: 13.83 ft at 3:15PM Jan 25, 2023Observed: 13.84 ft at 3:30PM Jan 25, 2023Observed: 13.8 ft at 3:45PM Jan 25, 2023Observed: 13.8 ft at 4:00PM Jan 25, 2023Observed: 13.79 ft at 4:15PM Jan 25, 2023Observed: 13.78 ft at 4:30PM Jan 25, 2023Observed: 13.79 ft at 4:45PM Jan 25, 2023Observed: 13.76 ft at 5:00PM Jan 25, 2023Observed: 13.77 ft at 5:15PM Jan 25, 2023Observed: 13.76 ft at 5:30PM Jan 25, 2023Observed: 13.76 ft at 5:45PM Jan 25, 2023Observed: 13.74 ft at 6:00PM Jan 25, 2023Observed: 13.74 ft at 6:15PM Jan 25, 2023Observed: 13.76 ft at 6:30PM Jan 25, 2023Observed: 13.75 ft at 6:45PM Jan 25, 2023Observed: 13.74 ft at 7:00PM Jan 25, 2023Observed: 13.72 ft at 7:15PM Jan 25, 2023Observed: 13.73 ft at 7:30PM Jan 25, 2023Observed: 13.74 ft at 7:45PM Jan 25, 2023Observed: 13.72 ft at 8:00PM Jan 25, 2023Observed: 13.74 ft at 8:15PM Jan 25, 2023Observed: 13.74 ft at 8:30PM Jan 25, 2023Observed: 13.73 ft at 8:45PM Jan 25, 2023Observed: 13.73 ft at 9:00PM Jan 25, 2023Observed: 13.72 ft at 9:15PM Jan 25, 2023Observed: 13.73 ft at 9:30PM Jan 25, 2023Observed: 13.72 ft at 9:45PM Jan 25, 2023Observed: 13.72 ft at 10:00PM Jan 25, 2023Observed: 13.72 ft at 10:15PM Jan 25, 2023Observed: 13.7 ft at 10:30PM Jan 25, 2023Observed: 13.72 ft at 10:45PM Jan 25, 2023Observed: 13.72 ft at 11:00PM Jan 25, 2023Observed: 13.71 ft at 11:15PM Jan 25, 2023Observed: 13.72 ft at 11:30PM Jan 25, 2023Observed: 13.69 ft at 11:45PM Jan 25, 2023Observed: 13.71 ft at 12:00AM Jan 26, 2023Observed: 13.69 ft at 12:15AM Jan 26, 2023Observed: 13.67 ft at 12:30AM Jan 26, 2023Observed: 13.67 ft at 12:45AM Jan 26, 2023Observed: 13.66 ft at 1:00AM Jan 26, 2023Observed: 13.66 ft at 1:15AM Jan 26, 2023Observed: 13.65 ft at 1:30AM Jan 26, 2023Observed: 13.64 ft at 1:45AM Jan 26, 2023Observed: 13.65 ft at 2:00AM Jan 26, 2023Observed: 13.64 ft at 2:15AM Jan 26, 2023Observed: 13.62 ft at 2:30AM Jan 26, 2023Observed: 13.61 ft at 2:45AM Jan 26, 2023Observed: 13.59 ft at 3:00AM Jan 26, 2023Observed: 13.58 ft at 3:15AM Jan 26, 2023Observed: 13.59 ft at 3:30AM Jan 26, 2023Observed: 13.57 ft at 3:45AM Jan 26, 2023Observed: 13.56 ft at 4:00AM Jan 26, 2023Observed: 13.55 ft at 4:15AM Jan 26, 2023Observed: 13.53 ft at 4:30AM Jan 26, 2023Observed: 13.53 ft at 4:45AM Jan 26, 2023Observed: 13.52 ft at 5:00AM Jan 26, 2023Observed: 13.53 ft at 5:15AM Jan 26, 2023Observed: 13.51 ft at 5:30AM Jan 26, 2023Observed: 13.48 ft at 5:45AM Jan 26, 2023Observed: 13.5 ft at 6:00AM Jan 26, 2023Observed: 13.47 ft at 6:15AM Jan 26, 2023Observed: 13.45 ft at 6:30AM Jan 26, 2023Observed: 13.46 ft at 6:45AM Jan 26, 2023Observed: 13.46 ft at 7:00AM Jan 26, 2023Observed: 13.43 ft at 7:15AM Jan 26, 2023Observed: 13.44 ft at 7:30AM Jan 26, 2023Observed: 13.44 ft at 7:45AM Jan 26, 2023Observed: 13.44 ft at 8:00AM Jan 26, 2023Observed: 13.44 ft at 8:15AM Jan 26, 2023Observed: 13.44 ft at 8:30AM Jan 26, 2023Observed: 13.44 ft at 8:45AM Jan 26, 2023Observed: 13.44 ft at 9:00AM Jan 26, 2023Observed: 13.43 ft at 9:15AM Jan 26, 2023Observed: 13.43 ft at 9:30AM Jan 26, 2023Observed: 13.43 ft at 9:45AM Jan 26, 2023Observed: 13.42 ft at 10:00AM Jan 26, 2023Observed: 13.42 ft at 10:15AM Jan 26, 2023Observed: 13.44 ft at 10:30AM Jan 26, 2023Observed: 13.44 ft at 10:45AM Jan 26, 2023Observed: 13.43 ft at 11:00AM Jan 26, 2023Observed: 13.44 ft at 11:15AM Jan 26, 2023Observed: 13.41 ft at 11:30AM Jan 26, 2023Observed: 13.43 ft at 11:45AM Jan 26, 2023Observed: 13.41 ft at 12:00PM Jan 26, 2023Observed: 13.42 ft at 12:15PM Jan 26, 2023Observed: 13.43 ft at 12:30PM Jan 26, 2023Observed: 13.42 ft at 12:45PM Jan 26, 2023Observed: 13.41 ft at 1:00PM Jan 26, 2023Observed: 13.4 ft at 1:15PM Jan 26, 2023Observed: 13.42 ft at 1:30PM Jan 26, 2023Highest Forecast: 13.3 ft 3:00PM Jan 26, 2023Highest Forecast: 13.3 ft 4:00PM Jan 26, 2023Highest Forecast: 13.3 ft 5:00PM Jan 26, 2023Forecast: 13.2 ft 6:00PM Jan 26, 2023Forecast: 13.2 ft 7:00PM Jan 26, 2023Forecast: 13.2 ft 8:00PM Jan 26, 2023Forecast: 13.2 ft 9:00PM Jan 26, 2023Forecast: 13.1 ft 10:00PM Jan 26, 2023Forecast: 13.1 ft 11:00PM Jan 26, 2023Forecast: 13.1 ft 12:00AM Jan 27, 2023Forecast: 13.1 ft 1:00AM Jan 27, 2023Forecast: 13 ft 2:00AM Jan 27, 2023Forecast: 13 ft 3:00AM Jan 27, 2023Forecast: 13 ft 4:00AM Jan 27, 2023Forecast: 12.9 ft 5:00AM Jan 27, 2023Forecast: 12.9 ft 6:00AM Jan 27, 2023Forecast: 12.9 ft 7:00AM Jan 27, 2023Forecast: 12.9 ft 8:00AM Jan 27, 2023Forecast: 12.8 ft 9:00AM Jan 27, 2023Forecast: 12.8 ft 10:00AM Jan 27, 2023Forecast: 12.8 ft 11:00AM Jan 27, 2023Forecast: 12.8 ft 12:00PM Jan 27, 2023Forecast: 12.7 ft 1:00PM Jan 27, 2023Forecast: 12.7 ft 2:00PM Jan 27, 2023Forecast: 12.7 ft 3:00PM Jan 27, 2023Forecast: 12.6 ft 4:00PM Jan 27, 2023Forecast: 12.6 ft 5:00PM Jan 27, 2023Forecast: 12.6 ft 6:00PM Jan 27, 2023Forecast: 12.6 ft 7:00PM Jan 27, 2023Forecast: 12.5 ft 8:00PM Jan 27, 2023Forecast: 12.5 ft 9:00PM Jan 27, 2023Forecast: 12.5 ft 10:00PM Jan 27, 2023Forecast: 12.4 ft 11:00PM Jan 27, 2023Forecast: 12.4 ft 12:00AM Jan 28, 2023Forecast: 12.4 ft 1:00AM Jan 28, 2023Forecast: 12.3 ft 2:00AM Jan 28, 2023Forecast: 12.3 ft 3:00AM Jan 28, 2023Forecast: 12.3 ft 4:00AM Jan 28, 2023Forecast: 12.3 ft 5:00AM Jan 28, 2023Forecast: 12.2 ft 6:00AM Jan 28, 2023Forecast: 12.2 ft 7:00AM Jan 28, 2023Forecast: 12.2 ft 8:00AM Jan 28, 2023Forecast: 12.1 ft 9:00AM Jan 28, 2023Forecast: 12.1 ft 10:00AM Jan 28, 2023Forecast: 12.1 ft 11:00AM Jan 28, 2023Forecast: 12 ft 12:00PM Jan 28, 2023Forecast: 12 ft 1:00PM Jan 28, 2023Forecast: 12 ft 2:00PM Jan 28, 2023Forecast: 12 ft 3:00PM Jan 28, 2023Forecast: 11.9 ft 4:00PM Jan 28, 2023Forecast: 11.9 ft 5:00PM Jan 28, 2023Forecast: 11.9 ft 6:00PM Jan 28, 2023Forecast: 11.8 ft 7:00PM Jan 28, 2023Forecast: 11.8 ft 8:00PM Jan 28, 2023Forecast: 11.8 ft 9:00PM Jan 28, 2023Forecast: 11.8 ft 10:00PM Jan 28, 2023Forecast: 11.7 ft 11:00PM Jan 28, 2023Forecast: 11.7 ft 12:00AM Jan 29, 2023Forecast: 11.7 ft 1:00AM Jan 29, 2023Forecast: 11.7 ft 2:00AM Jan 29, 2023Forecast: 11.6 ft 3:00AM Jan 29, 2023Forecast: 11.6 ft 4:00AM Jan 29, 2023Forecast: 11.6 ft 5:00AM Jan 29, 2023Forecast: 11.5 ft 6:00AM Jan 29, 2023Forecast: 11.5 ft 7:00AM Jan 29, 2023Forecast: 11.5 ft 8:00AM Jan 29, 2023Forecast: 11.5 ft 9:00AM Jan 29, 2023Forecast: 11.4 ft 10:00AM Jan 29, 2023Forecast: 11.4 ft 11:00AM Jan 29, 2023Forecast: 11.4 ft 12:00PM Jan 29, 2023Forecast: 11.4 ft 1:00PM Jan 29, 2023Forecast: 11.3 ft 2:00PM Jan 29, 2023Forecast: 11.3 ft 3:00PM Jan 29, 2023Forecast: 11.3 ft 4:00PM Jan 29, 2023Forecast: 11.3 ft 5:00PM Jan 29, 2023Forecast: 11.2 ft 6:00PM Jan 29, 2023Forecast: 11.2 ft 7:00PM Jan 29, 2023Forecast: 11.2 ft 8:00PM Jan 29, 2023Forecast: 11.2 ft 9:00PM Jan 29, 2023Forecast: 11.1 ft 10:00PM Jan 29, 2023Forecast: 11.1 ft 11:00PM Jan 29, 2023Forecast: 11.1 ft 12:00AM Jan 30, 2023Forecast: 11.1 ft 1:00AM Jan 30, 2023Forecast: 11 ft 2:00AM Jan 30, 2023Forecast: 11 ft 3:00AM Jan 30, 2023Forecast: 11 ft 4:00AM Jan 30, 2023Forecast: 11 ft 5:00AM Jan 30, 2023Forecast: 11 ft 6:00AM Jan 30, 2023Forecast: 10.9 ft 7:00AM Jan 30, 2023Forecast: 10.9 ft 8:00AM Jan 30, 2023Forecast: 10.9 ft 9:00AM Jan 30, 2023Forecast: 10.9 ft 10:00AM Jan 30, 2023Forecast: 10.8 ft 11:00AM Jan 30, 2023Forecast: 10.8 ft 12:00PM Jan 30, 2023Forecast: 10.8 ft 1:00PM Jan 30, 2023Forecast: 10.8 ft 2:00PM Jan 30, 2023Forecast: 10.7 ft 3:00PM Jan 30, 2023Forecast: 10.7 ft 4:00PM Jan 30, 2023Forecast: 10.7 ft 5:00PM Jan 30, 2023Forecast: 10.7 ft 6:00PM Jan 30, 2023Forecast: 10.7 ft 7:00PM Jan 30, 2023Forecast: 10.6 ft 8:00PM Jan 30, 2023Forecast: 10.6 ft 9:00PM Jan 30, 2023Forecast: 10.6 ft 10:00PM Jan 30, 2023Forecast: 10.6 ft 11:00PM Jan 30, 2023Forecast: 10.6 ft 12:00AM Jan 31, 2023Forecast: 10.5 ft 1:00AM Jan 31, 2023Forecast: 10.5 ft 2:00AM Jan 31, 2023Forecast: 10.5 ft 3:00AM Jan 31, 2023Forecast: 10.5 ft 4:00AM Jan 31, 2023MOSC1(plotting HGIRG) Graph Created (2:23PM Jan 26, 2023)ObservedForecast (issued 1:39PM Jan 26)Latest observed value: 13.42 ft at 1:30 PM PST 26-Jan-2023. Flood Stage is 28.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: NAVD88
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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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
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