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Hydrograph River at a Glance Download
San Joaquin River at Patterson Stage (ft)Flow (kcfs)Observed: 33.56 ft at 5:00PM Oct 20, 2019Observed: 33.57 ft at 5:15PM Oct 20, 2019Observed: 33.57 ft at 5:30PM Oct 20, 2019Observed: 33.57 ft at 5:45PM Oct 20, 2019Observed: 33.59 ft at 6:00PM Oct 20, 2019Observed: 33.59 ft at 6:15PM Oct 20, 2019Observed: 33.6 ft at 6:30PM Oct 20, 2019Observed: 33.6 ft at 6:45PM Oct 20, 2019Observed: 33.62 ft at 7:00PM Oct 20, 2019Observed: 33.62 ft at 7:15PM Oct 20, 2019Observed: 33.63 ft at 7:30PM Oct 20, 2019Observed: 33.64 ft at 7:45PM Oct 20, 2019Observed: 33.65 ft at 8:00PM Oct 20, 2019Observed: 33.66 ft at 8:15PM Oct 20, 2019Observed: 33.67 ft at 8:30PM Oct 20, 2019Observed: 33.67 ft at 8:45PM Oct 20, 2019Observed: 33.69 ft at 9:00PM Oct 20, 2019Observed: 33.7 ft at 9:15PM Oct 20, 2019Observed: 33.7 ft at 9:30PM Oct 20, 2019Observed: 33.72 ft at 9:45PM Oct 20, 2019Observed: 33.72 ft at 10:00PM Oct 20, 2019Observed: 33.73 ft at 10:15PM Oct 20, 2019Observed: 33.74 ft at 10:30PM Oct 20, 2019Observed: 33.75 ft at 10:45PM Oct 20, 2019Observed: 33.76 ft at 11:00PM Oct 20, 2019Observed: 33.77 ft at 11:15PM Oct 20, 2019Observed: 33.78 ft at 11:30PM Oct 20, 2019Observed: 33.79 ft at 11:45PM Oct 20, 2019Observed: 33.8 ft at 12:00AM Oct 21, 2019Observed: 33.8 ft at 12:15AM Oct 21, 2019Observed: 33.81 ft at 12:30AM Oct 21, 2019Observed: 33.83 ft at 12:45AM Oct 21, 2019Observed: 33.84 ft at 1:00AM Oct 21, 2019Observed: 33.85 ft at 1:15AM Oct 21, 2019Observed: 33.86 ft at 1:30AM Oct 21, 2019Observed: 33.87 ft at 1:45AM Oct 21, 2019Observed: 33.88 ft at 2:00AM Oct 21, 2019Observed: 33.89 ft at 2:15AM Oct 21, 2019Observed: 33.91 ft at 2:30AM Oct 21, 2019Observed: 33.91 ft at 2:45AM Oct 21, 2019Observed: 33.93 ft at 3:00AM Oct 21, 2019Observed: 33.94 ft at 3:15AM Oct 21, 2019Observed: 33.95 ft at 3:30AM Oct 21, 2019Observed: 33.97 ft at 3:45AM Oct 21, 2019Observed: 33.98 ft at 4:00AM Oct 21, 2019Observed: 33.99 ft at 4:15AM Oct 21, 2019Observed: 34 ft at 4:30AM Oct 21, 2019Observed: 34.01 ft at 4:45AM Oct 21, 2019Observed: 34.03 ft at 5:00AM Oct 21, 2019Observed: 34.04 ft at 5:15AM Oct 21, 2019Observed: 34.05 ft at 5:30AM Oct 21, 2019Observed: 34.07 ft at 5:45AM Oct 21, 2019Observed: 34.08 ft at 6:00AM Oct 21, 2019Observed: 34.09 ft at 6:15AM Oct 21, 2019Observed: 34.11 ft at 6:30AM Oct 21, 2019Observed: 34.12 ft at 6:45AM Oct 21, 2019Observed: 34.12 ft at 7:00AM Oct 21, 2019Observed: 34.13 ft at 7:15AM Oct 21, 2019Observed: 34.15 ft at 7:30AM Oct 21, 2019Observed: 34.15 ft at 7:45AM Oct 21, 2019Observed: 34.17 ft at 8:00AM Oct 21, 2019Observed: 34.18 ft at 8:15AM Oct 21, 2019Observed: 34.19 ft at 8:30AM Oct 21, 2019Observed: 34.21 ft at 8:45AM Oct 21, 2019Observed: 34.23 ft at 9:00AM Oct 21, 2019Observed: 34.23 ft at 9:15AM Oct 21, 2019Observed: 34.25 ft at 9:30AM Oct 21, 2019Observed: 34.26 ft at 9:45AM Oct 21, 2019Observed: 34.26 ft at 10:00AM Oct 21, 2019Observed: 34.27 ft at 10:15AM Oct 21, 2019Observed: 34.29 ft at 10:30AM Oct 21, 2019Observed: 34.29 ft at 10:45AM Oct 21, 2019Observed: 34.3 ft at 11:00AM Oct 21, 2019Observed: 34.3 ft at 11:15AM Oct 21, 2019Observed: 34.31 ft at 11:30AM Oct 21, 2019Observed: 34.32 ft at 11:45AM Oct 21, 2019Observed: 34.32 ft at 12:00PM Oct 21, 2019Observed: 34.32 ft at 12:15PM Oct 21, 2019Observed: 34.34 ft at 12:30PM Oct 21, 2019Observed: 34.34 ft at 12:45PM Oct 21, 2019Observed: 34.34 ft at 1:00PM Oct 21, 2019Observed: 34.35 ft at 1:15PM Oct 21, 2019Observed: 34.35 ft at 1:30PM Oct 21, 2019Observed: 34.36 ft at 1:45PM Oct 21, 2019Observed: 34.36 ft at 2:00PM Oct 21, 2019Highest Observation: 34.37 ft at 2:15PM Oct 21, 2019Observed: 34.36 ft at 2:30PM Oct 21, 2019Observed: 34.36 ft at 2:45PM Oct 21, 2019Highest Observation: 34.37 ft at 3:00PM Oct 21, 2019Observed: 34.36 ft at 3:15PM Oct 21, 2019Observed: 34.36 ft at 3:30PM Oct 21, 2019Observed: 34.36 ft at 3:45PM Oct 21, 2019Observed: 34.36 ft at 4:00PM Oct 21, 2019Observed: 34.36 ft at 4:15PM Oct 21, 2019Highest Observation: 34.37 ft at 4:30PM Oct 21, 2019Observed: 34.36 ft at 4:45PM Oct 21, 2019Observed: 34.36 ft at 5:00PM Oct 21, 2019Observed: 34.36 ft at 5:15PM Oct 21, 2019Observed: 34.35 ft at 5:30PM Oct 21, 2019Observed: 34.35 ft at 5:45PM Oct 21, 2019Observed: 34.34 ft at 6:00PM Oct 21, 2019Observed: 34.34 ft at 6:15PM Oct 21, 2019Observed: 34.34 ft at 6:30PM Oct 21, 2019Observed: 34.34 ft at 6:45PM Oct 21, 2019Observed: 34.33 ft at 7:00PM Oct 21, 2019Observed: 34.33 ft at 7:15PM Oct 21, 2019Observed: 34.33 ft at 7:30PM Oct 21, 2019Observed: 34.33 ft at 7:45PM Oct 21, 2019Observed: 34.33 ft at 8:00PM Oct 21, 2019Observed: 34.33 ft at 8:15PM Oct 21, 2019Observed: 34.33 ft at 8:30PM Oct 21, 2019Observed: 34.34 ft at 8:45PM Oct 21, 2019Observed: 34.33 ft at 9:00PM Oct 21, 2019Observed: 34.33 ft at 9:15PM Oct 21, 2019Observed: 34.33 ft at 9:30PM Oct 21, 2019Observed: 34.33 ft at 9:45PM Oct 21, 2019Observed: 34.33 ft at 10:00PM Oct 21, 2019Observed: 34.33 ft at 10:15PM Oct 21, 2019Observed: 34.32 ft at 10:30PM Oct 21, 2019Observed: 34.32 ft at 10:45PM Oct 21, 2019Observed: 34.31 ft at 11:00PM Oct 21, 2019Observed: 34.32 ft at 11:15PM Oct 21, 2019Observed: 34.32 ft at 11:30PM Oct 21, 2019Observed: 34.31 ft at 11:45PM Oct 21, 2019Observed: 34.31 ft at 12:00AM Oct 22, 2019Observed: 34.31 ft at 12:15AM Oct 22, 2019Observed: 34.31 ft at 12:30AM Oct 22, 2019Observed: 34.31 ft at 12:45AM Oct 22, 2019Observed: 34.29 ft at 1:00AM Oct 22, 2019Observed: 34.29 ft at 1:15AM Oct 22, 2019Observed: 34.29 ft at 1:30AM Oct 22, 2019Observed: 34.29 ft at 1:45AM Oct 22, 2019Observed: 34.28 ft at 2:00AM Oct 22, 2019Observed: 34.28 ft at 2:15AM Oct 22, 2019Observed: 34.27 ft at 2:30AM Oct 22, 2019Observed: 34.26 ft at 2:45AM Oct 22, 2019Observed: 34.27 ft at 3:00AM Oct 22, 2019Observed: 34.25 ft at 3:15AM Oct 22, 2019Observed: 34.25 ft at 3:30AM Oct 22, 2019Observed: 34.25 ft at 3:45AM Oct 22, 2019Observed: 34.24 ft at 4:00AM Oct 22, 2019Observed: 34.24 ft at 4:15AM Oct 22, 2019Observed: 34.23 ft at 4:30AM Oct 22, 2019Observed: 34.22 ft at 4:45AM Oct 22, 2019Observed: 34.22 ft at 5:00AM Oct 22, 2019Observed: 34.22 ft at 5:15AM Oct 22, 2019Observed: 34.21 ft at 5:30AM Oct 22, 2019Observed: 34.21 ft at 5:45AM Oct 22, 2019Observed: 34.21 ft at 6:00AM Oct 22, 2019Observed: 34.2 ft at 6:15AM Oct 22, 2019Observed: 34.21 ft at 6:30AM Oct 22, 2019Observed: 34.2 ft at 6:45AM Oct 22, 2019Observed: 34.2 ft at 7:00AM Oct 22, 2019Observed: 34.2 ft at 7:15AM Oct 22, 2019Observed: 34.18 ft at 7:30AM Oct 22, 2019Observed: 34.19 ft at 7:45AM Oct 22, 2019Observed: 34.21 ft at 8:00AM Oct 22, 2019Observed: 34.21 ft at 8:15AM Oct 22, 2019Observed: 34.22 ft at 8:30AM Oct 22, 2019Observed: 34.23 ft at 8:45AM Oct 22, 2019Observed: 34.23 ft at 9:00AM Oct 22, 2019Observed: 34.23 ft at 9:15AM Oct 22, 2019Observed: 34.23 ft at 9:30AM Oct 22, 2019Observed: 34.22 ft at 9:45AM Oct 22, 2019Observed: 34.21 ft at 10:00AM Oct 22, 2019Observed: 34.21 ft at 10:15AM Oct 22, 2019Observed: 34.2 ft at 10:30AM Oct 22, 2019Observed: 34.2 ft at 10:45AM Oct 22, 2019Observed: 34.2 ft at 11:00AM Oct 22, 2019Observed: 34.2 ft at 11:15AM Oct 22, 2019Observed: 34.19 ft at 11:30AM Oct 22, 2019Observed: 34.18 ft at 11:45AM Oct 22, 2019Observed: 34.18 ft at 12:00PM Oct 22, 2019Observed: 34.17 ft at 12:15PM Oct 22, 2019Observed: 34.18 ft at 12:30PM Oct 22, 2019Observed: 34.17 ft at 12:45PM Oct 22, 2019Observed: 34.17 ft at 1:00PM Oct 22, 2019Observed: 34.16 ft at 1:15PM Oct 22, 2019Observed: 34.15 ft at 1:30PM Oct 22, 2019Observed: 34.16 ft at 1:45PM Oct 22, 2019Observed: 34.15 ft at 2:00PM Oct 22, 2019Observed: 34.14 ft at 2:15PM Oct 22, 2019Observed: 34.14 ft at 2:30PM Oct 22, 2019Observed: 34.13 ft at 2:45PM Oct 22, 2019Observed: 34.14 ft at 3:00PM Oct 22, 2019Observed: 34.12 ft at 3:15PM Oct 22, 2019Observed: 34.12 ft at 3:30PM Oct 22, 2019Observed: 34.12 ft at 3:45PM Oct 22, 2019Observed: 34.12 ft at 4:00PM Oct 22, 2019Observed: 34.11 ft at 4:15PM Oct 22, 2019Observed: 34.11 ft at 4:30PM Oct 22, 2019Observed: 34.1 ft at 4:45PM Oct 22, 2019Observed: 34.09 ft at 5:00PM Oct 22, 2019Observed: 34.09 ft at 5:15PM Oct 22, 2019Observed: 34.09 ft at 5:30PM Oct 22, 2019Observed: 34.08 ft at 5:45PM Oct 22, 2019Observed: 34.07 ft at 6:00PM Oct 22, 2019Observed: 34.08 ft at 6:15PM Oct 22, 2019Observed: 34.07 ft at 6:30PM Oct 22, 2019Observed: 34.07 ft at 6:45PM Oct 22, 2019Observed: 34.07 ft at 7:00PM Oct 22, 2019Observed: 34.06 ft at 7:15PM Oct 22, 2019Observed: 34.06 ft at 7:30PM Oct 22, 2019Observed: 34.05 ft at 7:45PM Oct 22, 2019Observed: 34.05 ft at 8:00PM Oct 22, 2019Observed: 34.05 ft at 8:15PM Oct 22, 2019Observed: 34.05 ft at 8:30PM Oct 22, 2019Observed: 34.05 ft at 8:45PM Oct 22, 2019Observed: 34.05 ft at 9:00PM Oct 22, 2019Observed: 34.06 ft at 9:15PM Oct 22, 2019Observed: 34.05 ft at 9:30PM Oct 22, 2019Observed: 34.05 ft at 9:45PM Oct 22, 2019Observed: 34.06 ft at 10:00PM Oct 22, 2019Observed: 34.06 ft at 10:15PM Oct 22, 2019Observed: 34.05 ft at 10:30PM Oct 22, 2019Observed: 34.06 ft at 10:45PM Oct 22, 2019Observed: 34.05 ft at 11:00PM Oct 22, 2019Observed: 34.06 ft at 11:15PM Oct 22, 2019Observed: 34.06 ft at 11:30PM Oct 22, 2019Observed: 34.05 ft at 11:45PM Oct 22, 2019Observed: 34.06 ft at 12:00AM Oct 23, 2019Observed: 34.07 ft at 12:15AM Oct 23, 2019Observed: 34.07 ft at 12:30AM Oct 23, 2019Observed: 34.07 ft at 12:45AM Oct 23, 2019Observed: 34.07 ft at 1:00AM Oct 23, 2019Observed: 34.08 ft at 1:15AM Oct 23, 2019Observed: 34.07 ft at 1:30AM Oct 23, 2019Observed: 34.09 ft at 1:45AM Oct 23, 2019Observed: 34.09 ft at 2:00AM Oct 23, 2019Observed: 34.09 ft at 2:15AM Oct 23, 2019Observed: 34.1 ft at 2:30AM Oct 23, 2019Observed: 34.11 ft at 2:45AM Oct 23, 2019Observed: 34.12 ft at 3:00AM Oct 23, 2019Observed: 34.12 ft at 3:15AM Oct 23, 2019Observed: 34.13 ft at 3:30AM Oct 23, 2019Observed: 34.14 ft at 3:45AM Oct 23, 2019Observed: 34.14 ft at 4:00AM Oct 23, 2019Observed: 34.15 ft at 4:15AM Oct 23, 2019Observed: 34.15 ft at 4:30AM Oct 23, 2019Observed: 34.16 ft at 4:45AM Oct 23, 2019Observed: 34.17 ft at 5:00AM Oct 23, 2019Observed: 34.17 ft at 5:15AM Oct 23, 2019Observed: 34.19 ft at 5:30AM Oct 23, 2019Observed: 34.19 ft at 5:45AM Oct 23, 2019Observed: 34.21 ft at 6:00AM Oct 23, 2019Observed: 34.21 ft at 6:15AM Oct 23, 2019Observed: 34.22 ft at 6:30AM Oct 23, 2019Observed: 34.23 ft at 6:45AM Oct 23, 2019Observed: 34.24 ft at 7:00AM Oct 23, 2019Observed: 34.24 ft at 7:15AM Oct 23, 2019Observed: 34.24 ft at 7:30AM Oct 23, 2019Observed: 34.25 ft at 7:45AM Oct 23, 2019Observed: 34.26 ft at 8:00AM Oct 23, 2019Observed: 34.26 ft at 8:15AM Oct 23, 2019Observed: 34.26 ft at 8:30AM Oct 23, 2019Observed: 34.28 ft at 8:45AM Oct 23, 2019Observed: 34.28 ft at 9:00AM Oct 23, 2019Observed: 34.29 ft at 9:15AM Oct 23, 2019Observed: 34.29 ft at 9:30AM Oct 23, 2019Observed: 34.3 ft at 9:45AM Oct 23, 2019Observed: 34.31 ft at 10:00AM Oct 23, 2019Observed: 34.3 ft at 10:15AM Oct 23, 2019Observed: 34.31 ft at 10:30AM Oct 23, 2019Observed: 34.32 ft at 10:45AM Oct 23, 2019Observed: 34.32 ft at 11:00AM Oct 23, 2019Observed: 34.33 ft at 11:15AM Oct 23, 2019Observed: 34.34 ft at 11:30AM Oct 23, 2019Observed: 34.33 ft at 11:45AM Oct 23, 2019Observed: 34.33 ft at 12:00PM Oct 23, 2019Observed: 34.34 ft at 12:15PM Oct 23, 2019Observed: 34.35 ft at 12:30PM Oct 23, 2019Observed: 34.35 ft at 12:45PM Oct 23, 2019Observed: 34.35 ft at 1:00PM Oct 23, 2019Observed: 34.34 ft at 1:15PM Oct 23, 2019Observed: 34.35 ft at 1:30PM Oct 23, 2019Observed: 34.35 ft at 1:45PM Oct 23, 2019Observed: 34.35 ft at 2:00PM Oct 23, 2019Observed: 34.35 ft at 2:15PM Oct 23, 2019Observed: 34.35 ft at 2:30PM Oct 23, 2019Observed: 34.35 ft at 2:45PM Oct 23, 2019Observed: 34.35 ft at 3:00PM Oct 23, 2019Observed: 34.35 ft at 3:15PM Oct 23, 2019Observed: 34.34 ft at 3:30PM Oct 23, 2019Observed: 34.34 ft at 3:45PM Oct 23, 2019Forecast: 34.3 ft 5:00PM Oct 23, 2019Forecast: 34.4 ft 6:00PM Oct 23, 2019Forecast: 34.4 ft 7:00PM Oct 23, 2019Forecast: 34.4 ft 8:00PM Oct 23, 2019Forecast: 34.4 ft 9:00PM Oct 23, 2019Forecast: 34.4 ft 10:00PM Oct 23, 2019Forecast: 34.4 ft 11:00PM Oct 23, 2019Forecast: 34.5 ft 12:00AM Oct 24, 2019Forecast: 34.5 ft 1:00AM Oct 24, 2019Forecast: 34.5 ft 2:00AM Oct 24, 2019Forecast: 34.5 ft 3:00AM Oct 24, 2019Forecast: 34.5 ft 4:00AM Oct 24, 2019Forecast: 34.6 ft 5:00AM Oct 24, 2019Forecast: 34.6 ft 6:00AM Oct 24, 2019Forecast: 34.6 ft 7:00AM Oct 24, 2019Forecast: 34.6 ft 8:00AM Oct 24, 2019Forecast: 34.6 ft 9:00AM Oct 24, 2019Forecast: 34.7 ft 10:00AM Oct 24, 2019Forecast: 34.7 ft 11:00AM Oct 24, 2019Forecast: 34.7 ft 12:00PM Oct 24, 2019Forecast: 34.7 ft 1:00PM Oct 24, 2019Forecast: 34.8 ft 2:00PM Oct 24, 2019Forecast: 34.8 ft 3:00PM Oct 24, 2019Forecast: 34.8 ft 4:00PM Oct 24, 2019Forecast: 34.8 ft 5:00PM Oct 24, 2019Forecast: 34.8 ft 6:00PM Oct 24, 2019Forecast: 34.9 ft 7:00PM Oct 24, 2019Forecast: 34.9 ft 8:00PM Oct 24, 2019Forecast: 34.9 ft 9:00PM Oct 24, 2019Forecast: 34.9 ft 10:00PM Oct 24, 2019Forecast: 35 ft 11:00PM Oct 24, 2019Forecast: 35 ft 12:00AM Oct 25, 2019Forecast: 35 ft 1:00AM Oct 25, 2019Forecast: 35 ft 2:00AM Oct 25, 2019Forecast: 35.1 ft 3:00AM Oct 25, 2019Forecast: 35.1 ft 4:00AM Oct 25, 2019Forecast: 35.1 ft 5:00AM Oct 25, 2019Forecast: 35.1 ft 6:00AM Oct 25, 2019Forecast: 35.2 ft 7:00AM Oct 25, 2019Forecast: 35.2 ft 8:00AM Oct 25, 2019Forecast: 35.2 ft 9:00AM Oct 25, 2019Forecast: 35.2 ft 10:00AM Oct 25, 2019Forecast: 35.2 ft 11:00AM Oct 25, 2019Forecast: 35.3 ft 12:00PM Oct 25, 2019Forecast: 35.3 ft 1:00PM Oct 25, 2019Forecast: 35.3 ft 2:00PM Oct 25, 2019Forecast: 35.3 ft 3:00PM Oct 25, 2019Forecast: 35.3 ft 4:00PM Oct 25, 2019Forecast: 35.3 ft 5:00PM Oct 25, 2019Forecast: 35.4 ft 6:00PM Oct 25, 2019Forecast: 35.4 ft 7:00PM Oct 25, 2019Forecast: 35.4 ft 8:00PM Oct 25, 2019Forecast: 35.4 ft 9:00PM Oct 25, 2019Forecast: 35.4 ft 10:00PM Oct 25, 2019Forecast: 35.4 ft 11:00PM Oct 25, 2019Forecast: 35.4 ft 12:00AM Oct 26, 2019Forecast: 35.4 ft 1:00AM Oct 26, 2019Forecast: 35.5 ft 2:00AM Oct 26, 2019Forecast: 35.5 ft 3:00AM Oct 26, 2019Forecast: 35.5 ft 4:00AM Oct 26, 2019Forecast: 35.5 ft 5:00AM Oct 26, 2019Forecast: 35.5 ft 6:00AM Oct 26, 2019Forecast: 35.5 ft 7:00AM Oct 26, 2019Forecast: 35.5 ft 8:00AM Oct 26, 2019Forecast: 35.5 ft 9:00AM Oct 26, 2019Forecast: 35.5 ft 10:00AM Oct 26, 2019Forecast: 35.5 ft 11:00AM Oct 26, 2019Forecast: 35.5 ft 12:00PM Oct 26, 2019Forecast: 35.5 ft 1:00PM Oct 26, 2019Forecast: 35.5 ft 2:00PM Oct 26, 2019Forecast: 35.5 ft 3:00PM Oct 26, 2019Forecast: 35.5 ft 4:00PM Oct 26, 2019Forecast: 35.5 ft 5:00PM Oct 26, 2019Highest Forecast: 35.6 ft 6:00PM Oct 26, 2019Highest Forecast: 35.6 ft 7:00PM Oct 26, 2019Highest Forecast: 35.6 ft 8:00PM Oct 26, 2019Highest Forecast: 35.6 ft 9:00PM Oct 26, 2019Highest Forecast: 35.6 ft 10:00PM Oct 26, 2019Highest Forecast: 35.6 ft 11:00PM Oct 26, 2019Highest Forecast: 35.6 ft 12:00AM Oct 27, 2019Highest Forecast: 35.6 ft 1:00AM Oct 27, 2019Highest Forecast: 35.6 ft 2:00AM Oct 27, 2019Highest Forecast: 35.6 ft 3:00AM Oct 27, 2019Highest Forecast: 35.6 ft 4:00AM Oct 27, 2019Highest Forecast: 35.6 ft 5:00AM Oct 27, 2019Highest Forecast: 35.6 ft 6:00AM Oct 27, 2019Highest Forecast: 35.6 ft 7:00AM Oct 27, 2019Highest Forecast: 35.6 ft 8:00AM Oct 27, 2019Highest Forecast: 35.6 ft 9:00AM Oct 27, 2019Highest Forecast: 35.6 ft 10:00AM Oct 27, 2019Highest Forecast: 35.6 ft 11:00AM Oct 27, 2019Highest Forecast: 35.6 ft 12:00PM Oct 27, 2019Highest Forecast: 35.6 ft 1:00PM Oct 27, 2019Highest Forecast: 35.6 ft 2:00PM Oct 27, 2019Highest Forecast: 35.6 ft 3:00PM Oct 27, 2019Highest Forecast: 35.6 ft 4:00PM Oct 27, 2019Highest Forecast: 35.6 ft 5:00PM Oct 27, 2019Highest Forecast: 35.6 ft 6:00PM Oct 27, 2019Highest Forecast: 35.6 ft 7:00PM Oct 27, 2019Highest Forecast: 35.6 ft 8:00PM Oct 27, 2019Highest Forecast: 35.6 ft 9:00PM Oct 27, 2019Highest Forecast: 35.6 ft 10:00PM Oct 27, 2019Highest Forecast: 35.6 ft 11:00PM Oct 27, 2019Highest Forecast: 35.6 ft 12:00AM Oct 28, 2019Highest Forecast: 35.6 ft 1:00AM Oct 28, 2019Highest Forecast: 35.6 ft 2:00AM Oct 28, 2019Highest Forecast: 35.6 ft 3:00AM Oct 28, 2019Highest Forecast: 35.6 ft 4:00AM Oct 28, 2019Highest Forecast: 35.6 ft 5:00AM Oct 28, 2019PATC1(plotting HGIRG) Graph Created (4:51PM Oct 23, 2019)ObservedForecast (issued 7:41AM Oct 23)Latest observed value: 34.34 ft at 3:45 PM PDT 23-Oct-2019. Flood Stage is 54.7 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the San Joaquin River at Patterson are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Newman Upstream Gauge Downstream Gauge Downstream Gauge - at Vernalis
Flood Categories (in feet)
Major Flood Stage: 58.3
Moderate Flood Stage: 57.3
Flood Stage: 54.7
Action Stage: 48
Low Stage (in feet): 0

Historic Crests
(1) 51.52 ft on 02/21/2017
(2) 51.26 ft on 03/04/1983
(3) 50.97 ft on 04/10/2006
(4) 50.57 ft on 02/25/1980
(5) 50.50 ft on 06/13/1938
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 44.89 ft on 02/21/2019
(2) 39.67 ft on 04/12/2018
(3) 51.52 ft on 02/21/2017
(4) 37.33 ft on 03/14/2016
(5) 34.52 ft on 12/16/2014
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
58.3 Stages above 58.3 feet result in flooding outside the levee. Top of levee.
About This Location Collapse

Latitude: 37.493889° N, Longitude: 121.080833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 54.7 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 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 0 ft 54.7 ft  

Current/Historical Observations:
Resources Collapse
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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