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Hydrograph River at a Glance Download
San Lorenzo River (CA) at Big Trees Stage (ft)Flow (kcfs)Observed: 5.01 ft at 2:30AM Feb 03, 2023Observed: 5.02 ft at 2:45AM Feb 03, 2023Observed: 5.02 ft at 3:00AM Feb 03, 2023Observed: 5.02 ft at 3:15AM Feb 03, 2023Observed: 5.01 ft at 3:30AM Feb 03, 2023Observed: 5.01 ft at 3:45AM Feb 03, 2023Observed: 5.02 ft at 4:00AM Feb 03, 2023Observed: 5.02 ft at 4:15AM Feb 03, 2023Observed: 5.01 ft at 4:30AM Feb 03, 2023Observed: 5.01 ft at 4:45AM Feb 03, 2023Observed: 5.01 ft at 5:00AM Feb 03, 2023Observed: 5.02 ft at 5:15AM Feb 03, 2023Observed: 5.03 ft at 5:30AM Feb 03, 2023Observed: 5.04 ft at 5:45AM Feb 03, 2023Observed: 5.06 ft at 6:00AM Feb 03, 2023Observed: 5.07 ft at 6:15AM Feb 03, 2023Observed: 5.09 ft at 6:30AM Feb 03, 2023Observed: 5.1 ft at 6:45AM Feb 03, 2023Observed: 5.12 ft at 7:00AM Feb 03, 2023Observed: 5.12 ft at 7:15AM Feb 03, 2023Observed: 5.15 ft at 7:30AM Feb 03, 2023Observed: 5.22 ft at 7:45AM Feb 03, 2023Observed: 5.3 ft at 8:00AM Feb 03, 2023Observed: 5.34 ft at 8:15AM Feb 03, 2023Observed: 5.34 ft at 8:30AM Feb 03, 2023Observed: 5.36 ft at 8:45AM Feb 03, 2023Observed: 5.41 ft at 9:00AM Feb 03, 2023Observed: 5.46 ft at 9:15AM Feb 03, 2023Observed: 5.5 ft at 9:30AM Feb 03, 2023Observed: 5.5 ft at 9:45AM Feb 03, 2023Observed: 5.51 ft at 10:00AM Feb 03, 2023Observed: 5.51 ft at 10:15AM Feb 03, 2023Observed: 5.53 ft at 10:30AM Feb 03, 2023Observed: 5.55 ft at 10:45AM Feb 03, 2023Observed: 5.54 ft at 11:00AM Feb 03, 2023Observed: 5.54 ft at 11:15AM Feb 03, 2023Observed: 5.54 ft at 11:30AM Feb 03, 2023Observed: 5.55 ft at 11:45AM Feb 03, 2023Observed: 5.56 ft at 12:00PM Feb 03, 2023Observed: 5.57 ft at 12:15PM Feb 03, 2023Observed: 5.58 ft at 12:30PM Feb 03, 2023Observed: 5.59 ft at 12:45PM Feb 03, 2023Observed: 5.6 ft at 1:00PM Feb 03, 2023Observed: 5.61 ft at 1:15PM Feb 03, 2023Observed: 5.62 ft at 1:30PM Feb 03, 2023Observed: 5.63 ft at 1:45PM Feb 03, 2023Observed: 5.63 ft at 2:00PM Feb 03, 2023Observed: 5.64 ft at 2:15PM Feb 03, 2023Observed: 5.64 ft at 2:30PM Feb 03, 2023Observed: 5.63 ft at 2:45PM Feb 03, 2023Observed: 5.63 ft at 3:00PM Feb 03, 2023Observed: 5.62 ft at 3:15PM Feb 03, 2023Observed: 5.62 ft at 3:30PM Feb 03, 2023Observed: 5.61 ft at 3:45PM Feb 03, 2023Observed: 5.6 ft at 4:00PM Feb 03, 2023Observed: 5.58 ft at 4:15PM Feb 03, 2023Observed: 5.57 ft at 4:30PM Feb 03, 2023Observed: 5.56 ft at 4:45PM Feb 03, 2023Observed: 5.55 ft at 5:00PM Feb 03, 2023Observed: 5.54 ft at 5:15PM Feb 03, 2023Observed: 5.53 ft at 5:30PM Feb 03, 2023Observed: 5.51 ft at 5:45PM Feb 03, 2023Observed: 5.5 ft at 6:00PM Feb 03, 2023Observed: 5.49 ft at 6:15PM Feb 03, 2023Observed: 5.48 ft at 6:30PM Feb 03, 2023Observed: 5.46 ft at 6:45PM Feb 03, 2023Observed: 5.46 ft at 7:00PM Feb 03, 2023Observed: 5.45 ft at 7:15PM Feb 03, 2023Observed: 5.44 ft at 7:30PM Feb 03, 2023Observed: 5.43 ft at 7:45PM Feb 03, 2023Observed: 5.42 ft at 8:00PM Feb 03, 2023Observed: 5.41 ft at 8:15PM Feb 03, 2023Observed: 5.4 ft at 8:30PM Feb 03, 2023Observed: 5.39 ft at 8:45PM Feb 03, 2023Observed: 5.38 ft at 9:00PM Feb 03, 2023Observed: 5.37 ft at 9:15PM Feb 03, 2023Observed: 5.36 ft at 9:30PM Feb 03, 2023Observed: 5.35 ft at 9:45PM Feb 03, 2023Observed: 5.35 ft at 10:00PM Feb 03, 2023Observed: 5.34 ft at 10:15PM Feb 03, 2023Observed: 5.33 ft at 10:30PM Feb 03, 2023Observed: 5.33 ft at 10:45PM Feb 03, 2023Observed: 5.32 ft at 11:00PM Feb 03, 2023Observed: 5.31 ft at 11:15PM Feb 03, 2023Observed: 5.3 ft at 11:30PM Feb 03, 2023Observed: 5.3 ft at 11:45PM Feb 03, 2023Observed: 5.29 ft at 12:00AM Feb 04, 2023Observed: 5.28 ft at 12:15AM Feb 04, 2023Observed: 5.28 ft at 12:30AM Feb 04, 2023Observed: 5.28 ft at 12:45AM Feb 04, 2023Observed: 5.27 ft at 1:00AM Feb 04, 2023Observed: 5.26 ft at 1:15AM Feb 04, 2023Observed: 5.26 ft at 1:30AM Feb 04, 2023Observed: 5.26 ft at 1:45AM Feb 04, 2023Observed: 5.25 ft at 2:00AM Feb 04, 2023Observed: 5.25 ft at 2:15AM Feb 04, 2023Observed: 5.24 ft at 2:30AM Feb 04, 2023Observed: 5.24 ft at 2:45AM Feb 04, 2023Observed: 5.24 ft at 3:00AM Feb 04, 2023Observed: 5.23 ft at 3:15AM Feb 04, 2023Observed: 5.23 ft at 3:30AM Feb 04, 2023Observed: 5.22 ft at 3:45AM Feb 04, 2023Observed: 5.22 ft at 4:00AM Feb 04, 2023Observed: 5.22 ft at 4:15AM Feb 04, 2023Observed: 5.22 ft at 4:30AM Feb 04, 2023Observed: 5.21 ft at 4:45AM Feb 04, 2023Observed: 5.21 ft at 5:00AM Feb 04, 2023Observed: 5.21 ft at 5:15AM Feb 04, 2023Observed: 5.21 ft at 5:30AM Feb 04, 2023Observed: 5.2 ft at 5:45AM Feb 04, 2023Observed: 5.21 ft at 6:00AM Feb 04, 2023Observed: 5.2 ft at 6:15AM Feb 04, 2023Observed: 5.2 ft at 6:30AM Feb 04, 2023Observed: 5.2 ft at 6:45AM Feb 04, 2023Observed: 5.19 ft at 7:00AM Feb 04, 2023Observed: 5.19 ft at 7:15AM Feb 04, 2023Observed: 5.19 ft at 7:30AM Feb 04, 2023Observed: 5.19 ft at 7:45AM Feb 04, 2023Observed: 5.2 ft at 8:00AM Feb 04, 2023Observed: 5.2 ft at 8:15AM Feb 04, 2023Observed: 5.19 ft at 8:30AM Feb 04, 2023Observed: 5.19 ft at 8:45AM Feb 04, 2023Observed: 5.19 ft at 9:00AM Feb 04, 2023Observed: 5.19 ft at 9:15AM Feb 04, 2023Observed: 5.2 ft at 9:30AM Feb 04, 2023Observed: 5.2 ft at 9:45AM Feb 04, 2023Observed: 5.2 ft at 10:00AM Feb 04, 2023Observed: 5.19 ft at 10:15AM Feb 04, 2023Observed: 5.19 ft at 10:30AM Feb 04, 2023Observed: 5.19 ft at 10:45AM Feb 04, 2023Observed: 5.19 ft at 11:00AM Feb 04, 2023Observed: 5.18 ft at 11:15AM Feb 04, 2023Observed: 5.18 ft at 11:30AM Feb 04, 2023Observed: 5.18 ft at 11:45AM Feb 04, 2023Observed: 5.18 ft at 12:00PM Feb 04, 2023Observed: 5.19 ft at 12:15PM Feb 04, 2023Observed: 5.2 ft at 12:30PM Feb 04, 2023Observed: 5.22 ft at 12:45PM Feb 04, 2023Observed: 5.25 ft at 1:00PM Feb 04, 2023Observed: 5.32 ft at 1:15PM Feb 04, 2023Observed: 5.37 ft at 1:30PM Feb 04, 2023Observed: 5.36 ft at 1:45PM Feb 04, 2023Observed: 5.38 ft at 2:00PM Feb 04, 2023Observed: 5.43 ft at 2:15PM Feb 04, 2023Observed: 5.56 ft at 2:30PM Feb 04, 2023Observed: 5.64 ft at 2:45PM Feb 04, 2023Observed: 5.68 ft at 3:00PM Feb 04, 2023Observed: 5.7 ft at 3:15PM Feb 04, 2023Observed: 5.75 ft at 3:30PM Feb 04, 2023Observed: 5.79 ft at 3:45PM Feb 04, 2023Observed: 5.83 ft at 4:00PM Feb 04, 2023Observed: 5.87 ft at 4:15PM Feb 04, 2023Observed: 5.88 ft at 4:30PM Feb 04, 2023Observed: 5.88 ft at 4:45PM Feb 04, 2023Observed: 5.88 ft at 5:00PM Feb 04, 2023Observed: 5.89 ft at 5:15PM Feb 04, 2023Observed: 5.93 ft at 5:30PM Feb 04, 2023Observed: 6 ft at 5:45PM Feb 04, 2023Observed: 6.05 ft at 6:00PM Feb 04, 2023Observed: 6.09 ft at 6:15PM Feb 04, 2023Observed: 6.16 ft at 6:30PM Feb 04, 2023Observed: 6.23 ft at 6:45PM Feb 04, 2023Observed: 6.31 ft at 7:00PM Feb 04, 2023Observed: 6.4 ft at 7:15PM Feb 04, 2023Observed: 6.45 ft at 7:30PM Feb 04, 2023Observed: 6.48 ft at 7:45PM Feb 04, 2023Observed: 6.51 ft at 8:00PM Feb 04, 2023Observed: 6.55 ft at 8:15PM Feb 04, 2023Observed: 6.66 ft at 8:30PM Feb 04, 2023Observed: 6.77 ft at 8:45PM Feb 04, 2023Observed: 6.88 ft at 9:00PM Feb 04, 2023Observed: 6.96 ft at 9:15PM Feb 04, 2023Observed: 7.03 ft at 9:30PM Feb 04, 2023Observed: 7.1 ft at 9:45PM Feb 04, 2023Observed: 7.16 ft at 10:00PM Feb 04, 2023Observed: 7.2 ft at 10:15PM Feb 04, 2023Observed: 7.27 ft at 10:30PM Feb 04, 2023Observed: 7.41 ft at 10:45PM Feb 04, 2023Observed: 7.55 ft at 11:00PM Feb 04, 2023Observed: 7.68 ft at 11:15PM Feb 04, 2023Observed: 7.82 ft at 11:30PM Feb 04, 2023Observed: 7.9 ft at 11:45PM Feb 04, 2023Highest Observation: 7.94 ft at 12:00AM Feb 05, 2023Observed: 7.93 ft at 12:15AM Feb 05, 2023Observed: 7.92 ft at 12:30AM Feb 05, 2023Observed: 7.92 ft at 12:45AM Feb 05, 2023Observed: 7.91 ft at 1:00AM Feb 05, 2023Observed: 7.87 ft at 1:15AM Feb 05, 2023Observed: 7.81 ft at 1:30AM Feb 05, 2023Observed: 7.77 ft at 1:45AM Feb 05, 2023Observed: 7.75 ft at 2:00AM Feb 05, 2023Observed: 7.68 ft at 2:15AM Feb 05, 2023Observed: 7.65 ft at 2:30AM Feb 05, 2023Observed: 7.57 ft at 2:45AM Feb 05, 2023Observed: 7.51 ft at 3:00AM Feb 05, 2023Observed: 7.45 ft at 3:15AM Feb 05, 2023Observed: 7.44 ft at 3:30AM Feb 05, 2023Observed: 7.39 ft at 3:45AM Feb 05, 2023Observed: 7.35 ft at 4:00AM Feb 05, 2023Observed: 7.28 ft at 4:15AM Feb 05, 2023Observed: 7.25 ft at 4:30AM Feb 05, 2023Observed: 7.21 ft at 4:45AM Feb 05, 2023Observed: 7.17 ft at 5:00AM Feb 05, 2023Observed: 7.12 ft at 5:15AM Feb 05, 2023Observed: 7.08 ft at 5:30AM Feb 05, 2023Observed: 7.05 ft at 5:45AM Feb 05, 2023Observed: 7.01 ft at 6:00AM Feb 05, 2023Observed: 6.97 ft at 6:15AM Feb 05, 2023Observed: 6.95 ft at 6:30AM Feb 05, 2023Observed: 6.91 ft at 6:45AM Feb 05, 2023Observed: 6.89 ft at 7:00AM Feb 05, 2023Observed: 6.86 ft at 7:15AM Feb 05, 2023Observed: 6.84 ft at 7:30AM Feb 05, 2023Observed: 6.83 ft at 7:45AM Feb 05, 2023Observed: 6.81 ft at 8:00AM Feb 05, 2023Observed: 6.79 ft at 8:15AM Feb 05, 2023Observed: 6.78 ft at 8:30AM Feb 05, 2023Observed: 6.76 ft at 8:45AM Feb 05, 2023Observed: 6.75 ft at 9:00AM Feb 05, 2023Observed: 6.73 ft at 9:15AM Feb 05, 2023Observed: 6.71 ft at 9:30AM Feb 05, 2023Observed: 6.72 ft at 9:45AM Feb 05, 2023Observed: 6.74 ft at 10:00AM Feb 05, 2023Observed: 6.72 ft at 10:15AM Feb 05, 2023Observed: 6.72 ft at 10:30AM Feb 05, 2023Observed: 6.68 ft at 10:45AM Feb 05, 2023Observed: 6.68 ft at 11:00AM Feb 05, 2023Observed: 6.65 ft at 11:15AM Feb 05, 2023Observed: 6.65 ft at 11:30AM Feb 05, 2023Observed: 6.61 ft at 11:45AM Feb 05, 2023Observed: 6.6 ft at 12:00PM Feb 05, 2023Observed: 6.61 ft at 12:15PM Feb 05, 2023Observed: 6.59 ft at 12:30PM Feb 05, 2023Observed: 6.57 ft at 12:45PM Feb 05, 2023Observed: 6.54 ft at 1:00PM Feb 05, 2023Observed: 6.54 ft at 1:15PM Feb 05, 2023Observed: 6.53 ft at 1:30PM Feb 05, 2023Observed: 6.52 ft at 1:45PM Feb 05, 2023Observed: 6.52 ft at 2:00PM Feb 05, 2023Observed: 6.53 ft at 2:15PM Feb 05, 2023Observed: 6.51 ft at 2:30PM Feb 05, 2023Observed: 6.5 ft at 2:45PM Feb 05, 2023Observed: 6.5 ft at 3:00PM Feb 05, 2023Observed: 6.48 ft at 3:15PM Feb 05, 2023Observed: 6.47 ft at 3:30PM Feb 05, 2023Observed: 6.47 ft at 3:45PM Feb 05, 2023Observed: 6.46 ft at 4:00PM Feb 05, 2023Observed: 6.45 ft at 4:15PM Feb 05, 2023Observed: 6.43 ft at 4:30PM Feb 05, 2023Observed: 6.42 ft at 4:45PM Feb 05, 2023Observed: 6.4 ft at 5:00PM Feb 05, 2023Observed: 6.4 ft at 5:15PM Feb 05, 2023Observed: 6.39 ft at 5:30PM Feb 05, 2023Observed: 6.38 ft at 5:45PM Feb 05, 2023Observed: 6.37 ft at 6:00PM Feb 05, 2023Observed: 6.36 ft at 6:15PM Feb 05, 2023Observed: 6.35 ft at 6:30PM Feb 05, 2023Observed: 6.34 ft at 6:45PM Feb 05, 2023Observed: 6.33 ft at 7:00PM Feb 05, 2023Observed: 6.33 ft at 7:15PM Feb 05, 2023Observed: 6.32 ft at 7:30PM Feb 05, 2023Observed: 6.32 ft at 7:45PM Feb 05, 2023Observed: 6.32 ft at 8:00PM Feb 05, 2023Observed: 6.31 ft at 8:15PM Feb 05, 2023Observed: 6.3 ft at 8:30PM Feb 05, 2023Observed: 6.3 ft at 8:45PM Feb 05, 2023Observed: 6.29 ft at 9:00PM Feb 05, 2023Observed: 6.28 ft at 9:15PM Feb 05, 2023Observed: 6.28 ft at 9:30PM Feb 05, 2023Observed: 6.28 ft at 9:45PM Feb 05, 2023Observed: 6.27 ft at 10:00PM Feb 05, 2023Observed: 6.26 ft at 10:15PM Feb 05, 2023Observed: 6.25 ft at 10:30PM Feb 05, 2023Observed: 6.25 ft at 10:45PM Feb 05, 2023Observed: 6.24 ft at 11:00PM Feb 05, 2023Observed: 6.23 ft at 11:15PM Feb 05, 2023Observed: 6.22 ft at 11:30PM Feb 05, 2023Observed: 6.22 ft at 11:45PM Feb 05, 2023Observed: 6.21 ft at 12:00AM Feb 06, 2023Observed: 6.2 ft at 12:15AM Feb 06, 2023Observed: 6.19 ft at 12:30AM Feb 06, 2023Observed: 6.18 ft at 12:45AM Feb 06, 2023Observed: 6.17 ft at 1:00AM Feb 06, 2023Observed: 6.16 ft at 1:15AM Feb 06, 2023Observed: 6.16 ft at 1:30AM Feb 06, 2023Observed: 6.15 ft at 1:45AM Feb 06, 2023Observed: 6.14 ft at 2:00AM Feb 06, 2023Observed: 6.13 ft at 2:15AM Feb 06, 2023Observed: 6.12 ft at 2:30AM Feb 06, 2023Observed: 6.12 ft at 2:45AM Feb 06, 2023Observed: 6.12 ft at 3:00AM Feb 06, 2023Observed: 6.11 ft at 3:15AM Feb 06, 2023Observed: 6.09 ft at 3:30AM Feb 06, 2023Observed: 6.09 ft at 3:45AM Feb 06, 2023Observed: 6.09 ft at 4:00AM Feb 06, 2023Observed: 6.08 ft at 4:15AM Feb 06, 2023Observed: 6.06 ft at 4:30AM Feb 06, 2023Observed: 6.06 ft at 4:45AM Feb 06, 2023Observed: 6.06 ft at 5:00AM Feb 06, 2023Observed: 6.06 ft at 5:15AM Feb 06, 2023Observed: 6.05 ft at 5:30AM Feb 06, 2023Observed: 6.04 ft at 5:45AM Feb 06, 2023Observed: 6.04 ft at 6:00AM Feb 06, 2023Observed: 6.03 ft at 6:15AM Feb 06, 2023Observed: 6.03 ft at 6:30AM Feb 06, 2023Observed: 6.02 ft at 6:45AM Feb 06, 2023Observed: 6.02 ft at 7:00AM Feb 06, 2023Observed: 6.02 ft at 7:15AM Feb 06, 2023Observed: 6.01 ft at 7:30AM Feb 06, 2023Observed: 6.01 ft at 7:45AM Feb 06, 2023Observed: 6 ft at 8:00AM Feb 06, 2023Observed: 6 ft at 8:15AM Feb 06, 2023Observed: 6 ft at 8:30AM Feb 06, 2023Observed: 5.99 ft at 8:45AM Feb 06, 2023Observed: 5.99 ft at 9:00AM Feb 06, 2023Observed: 5.98 ft at 9:15AM Feb 06, 2023Observed: 5.97 ft at 9:30AM Feb 06, 2023Observed: 5.97 ft at 9:45AM Feb 06, 2023Observed: 5.97 ft at 10:00AM Feb 06, 2023Observed: 5.97 ft at 10:15AM Feb 06, 2023Observed: 5.96 ft at 10:30AM Feb 06, 2023Observed: 5.95 ft at 10:45AM Feb 06, 2023Observed: 5.95 ft at 11:00AM Feb 06, 2023Observed: 5.95 ft at 11:15AM Feb 06, 2023Observed: 5.95 ft at 11:30AM Feb 06, 2023Observed: 5.94 ft at 11:45AM Feb 06, 2023Observed: 5.93 ft at 12:00PM Feb 06, 2023Observed: 5.93 ft at 12:15PM Feb 06, 2023Observed: 5.93 ft at 12:30PM Feb 06, 2023Observed: 5.93 ft at 12:45PM Feb 06, 2023Observed: 5.92 ft at 1:00PM Feb 06, 2023Observed: 5.91 ft at 1:15PM Feb 06, 2023Observed: 5.92 ft at 1:30PM Feb 06, 2023Observed: 5.9 ft at 1:45PM Feb 06, 2023Observed: 5.89 ft at 2:00PM Feb 06, 2023Observed: 5.9 ft at 2:15PM Feb 06, 2023Observed: 5.9 ft at 2:30PM Feb 06, 2023Observed: 5.89 ft at 2:45PM Feb 06, 2023Observed: 5.89 ft at 3:00PM Feb 06, 2023Observed: 5.89 ft at 3:15PM Feb 06, 2023Observed: 5.88 ft at 3:30PM Feb 06, 2023Observed: 5.88 ft at 3:45PM Feb 06, 2023Observed: 5.87 ft at 4:00PM Feb 06, 2023Observed: 5.87 ft at 4:15PM Feb 06, 2023Observed: 5.86 ft at 4:30PM Feb 06, 2023Observed: 5.86 ft at 4:45PM Feb 06, 2023Observed: 5.86 ft at 5:00PM Feb 06, 2023Observed: 5.85 ft at 5:15PM Feb 06, 2023Observed: 5.85 ft at 5:30PM Feb 06, 2023Observed: 5.84 ft at 5:45PM Feb 06, 2023Observed: 5.83 ft at 6:00PM Feb 06, 2023Observed: 5.84 ft at 6:15PM Feb 06, 2023Observed: 5.83 ft at 6:30PM Feb 06, 2023Observed: 5.83 ft at 6:45PM Feb 06, 2023Observed: 5.83 ft at 7:00PM Feb 06, 2023Observed: 5.82 ft at 7:15PM Feb 06, 2023Observed: 5.83 ft at 7:30PM Feb 06, 2023Observed: 5.82 ft at 7:45PM Feb 06, 2023Observed: 5.82 ft at 8:00PM Feb 06, 2023Observed: 5.81 ft at 8:15PM Feb 06, 2023Observed: 5.81 ft at 8:30PM Feb 06, 2023Observed: 5.81 ft at 8:45PM Feb 06, 2023Observed: 5.81 ft at 9:00PM Feb 06, 2023Observed: 5.8 ft at 9:15PM Feb 06, 2023Observed: 5.79 ft at 9:30PM Feb 06, 2023Observed: 5.79 ft at 9:45PM Feb 06, 2023Observed: 5.8 ft at 10:00PM Feb 06, 2023Observed: 5.79 ft at 10:15PM Feb 06, 2023Observed: 5.79 ft at 10:30PM Feb 06, 2023Observed: 5.79 ft at 10:45PM Feb 06, 2023Observed: 5.78 ft at 11:00PM Feb 06, 2023Observed: 5.78 ft at 11:15PM Feb 06, 2023Observed: 5.77 ft at 11:30PM Feb 06, 2023Observed: 5.77 ft at 11:45PM Feb 06, 2023Observed: 5.77 ft at 12:00AM Feb 07, 2023Observed: 5.76 ft at 12:15AM Feb 07, 2023Observed: 5.76 ft at 12:30AM Feb 07, 2023Observed: 5.76 ft at 12:45AM Feb 07, 2023Observed: 5.76 ft at 1:00AM Feb 07, 2023Observed: 5.75 ft at 1:15AM Feb 07, 2023Observed: 5.75 ft at 1:30AM Feb 07, 2023Observed: 5.75 ft at 1:45AM Feb 07, 2023Observed: 5.75 ft at 2:00AM Feb 07, 2023Observed: 5.74 ft at 2:15AM Feb 07, 2023Observed: 5.74 ft at 2:30AM Feb 07, 2023Observed: 5.74 ft at 2:45AM Feb 07, 2023Observed: 5.74 ft at 3:00AM Feb 07, 2023Observed: 5.73 ft at 3:15AM Feb 07, 2023Observed: 5.74 ft at 3:30AM Feb 07, 2023Observed: 5.73 ft at 3:45AM Feb 07, 2023Observed: 5.74 ft at 4:00AM Feb 07, 2023Observed: 5.73 ft at 4:15AM Feb 07, 2023Observed: 5.73 ft at 4:30AM Feb 07, 2023Observed: 5.72 ft at 4:45AM Feb 07, 2023Observed: 5.72 ft at 5:00AM Feb 07, 2023Observed: 5.72 ft at 5:15AM Feb 07, 2023Observed: 5.72 ft at 5:30AM Feb 07, 2023Observed: 5.71 ft at 5:45AM Feb 07, 2023Observed: 5.71 ft at 6:00AM Feb 07, 2023Observed: 5.71 ft at 6:15AM Feb 07, 2023Observed: 5.7 ft at 6:30AM Feb 07, 2023Observed: 5.7 ft at 6:45AM Feb 07, 2023Observed: 5.71 ft at 7:00AM Feb 07, 2023Observed: 5.71 ft at 7:15AM Feb 07, 2023Observed: 5.7 ft at 7:30AM Feb 07, 2023Observed: 5.7 ft at 7:45AM Feb 07, 2023Observed: 5.7 ft at 8:00AM Feb 07, 2023Observed: 5.69 ft at 8:15AM Feb 07, 2023Observed: 5.69 ft at 8:30AM Feb 07, 2023Observed: 5.69 ft at 8:45AM Feb 07, 2023Observed: 5.69 ft at 9:00AM Feb 07, 2023Observed: 5.68 ft at 9:15AM Feb 07, 2023Observed: 5.69 ft at 9:30AM Feb 07, 2023Observed: 5.68 ft at 9:45AM Feb 07, 2023Observed: 5.68 ft at 10:00AM Feb 07, 2023Observed: 5.67 ft at 10:15AM Feb 07, 2023Observed: 5.67 ft at 10:45AM Feb 07, 2023Observed: 5.66 ft at 11:00AM Feb 07, 2023Observed: 5.66 ft at 11:15AM Feb 07, 2023Observed: 5.66 ft at 11:30AM Feb 07, 2023Observed: 5.66 ft at 11:45AM Feb 07, 2023Observed: 5.65 ft at 12:00PM Feb 07, 2023Observed: 5.66 ft at 12:15PM Feb 07, 2023Observed: 5.65 ft at 12:30PM Feb 07, 2023Observed: 5.65 ft at 12:45PM Feb 07, 2023Observed: 5.65 ft at 1:00PM Feb 07, 2023Observed: 5.64 ft at 1:15PM Feb 07, 2023Observed: 5.64 ft at 1:30PM Feb 07, 2023Observed: 5.64 ft at 1:45PM Feb 07, 2023Observed: 5.63 ft at 2:00PM Feb 07, 2023Observed: 5.63 ft at 2:15PM Feb 07, 2023Observed: 5.63 ft at 2:30PM Feb 07, 2023Observed: 5.63 ft at 2:45PM Feb 07, 2023Observed: 5.63 ft at 3:00PM Feb 07, 2023Observed: 5.63 ft at 3:15PM Feb 07, 2023Observed: 5.62 ft at 3:30PM Feb 07, 2023Observed: 5.62 ft at 3:45PM Feb 07, 2023Observed: 5.63 ft at 4:00PM Feb 07, 2023Observed: 5.62 ft at 4:15PM Feb 07, 2023Observed: 5.62 ft at 4:30PM Feb 07, 2023Observed: 5.62 ft at 4:45PM Feb 07, 2023Observed: 5.62 ft at 5:00PM Feb 07, 2023Observed: 5.61 ft at 5:15PM Feb 07, 2023Observed: 5.61 ft at 5:30PM Feb 07, 2023Observed: 5.61 ft at 5:45PM Feb 07, 2023Observed: 5.6 ft at 6:00PM Feb 07, 2023Observed: 5.6 ft at 6:15PM Feb 07, 2023Observed: 5.59 ft at 6:30PM Feb 07, 2023Observed: 5.59 ft at 6:45PM Feb 07, 2023Observed: 5.59 ft at 7:00PM Feb 07, 2023Observed: 5.59 ft at 7:15PM Feb 07, 2023Observed: 5.59 ft at 7:30PM Feb 07, 2023Observed: 5.58 ft at 7:45PM Feb 07, 2023Observed: 5.58 ft at 8:00PM Feb 07, 2023Observed: 5.58 ft at 8:15PM Feb 07, 2023Observed: 5.58 ft at 8:30PM Feb 07, 2023Observed: 5.57 ft at 8:45PM Feb 07, 2023Observed: 5.58 ft at 9:00PM Feb 07, 2023Observed: 5.58 ft at 9:15PM Feb 07, 2023Observed: 5.58 ft at 9:30PM Feb 07, 2023Observed: 5.56 ft at 9:45PM Feb 07, 2023Observed: 5.57 ft at 10:00PM Feb 07, 2023Observed: 5.57 ft at 10:15PM Feb 07, 2023Observed: 5.56 ft at 10:30PM Feb 07, 2023Observed: 5.56 ft at 10:45PM Feb 07, 2023Observed: 5.56 ft at 11:00PM Feb 07, 2023Observed: 5.56 ft at 11:15PM Feb 07, 2023Observed: 5.56 ft at 11:30PM Feb 07, 2023Observed: 5.55 ft at 11:45PM Feb 07, 2023Observed: 5.55 ft at 12:00AM Feb 08, 2023Observed: 5.55 ft at 12:15AM Feb 08, 2023Observed: 5.54 ft at 12:30AM Feb 08, 2023Observed: 5.54 ft at 12:45AM Feb 08, 2023Observed: 5.54 ft at 1:00AM Feb 08, 2023Observed: 5.54 ft at 1:15AM Feb 08, 2023Observed: 5.54 ft at 1:30AM Feb 08, 2023Observed: 5.54 ft at 1:45AM Feb 08, 2023Highest Forecast: 5.5 ft 3:00AM Feb 08, 2023Highest Forecast: 5.5 ft 4:00AM Feb 08, 2023Highest Forecast: 5.5 ft 5:00AM Feb 08, 2023Highest Forecast: 5.5 ft 6:00AM Feb 08, 2023Highest Forecast: 5.5 ft 7:00AM Feb 08, 2023Highest Forecast: 5.5 ft 8:00AM Feb 08, 2023Highest Forecast: 5.5 ft 9:00AM Feb 08, 2023Highest Forecast: 5.5 ft 10:00AM Feb 08, 2023Highest Forecast: 5.5 ft 11:00AM Feb 08, 2023Highest Forecast: 5.5 ft 12:00PM Feb 08, 2023Highest Forecast: 5.5 ft 1:00PM Feb 08, 2023Highest Forecast: 5.5 ft 2:00PM Feb 08, 2023Highest Forecast: 5.5 ft 3:00PM Feb 08, 2023Highest Forecast: 5.5 ft 4:00PM Feb 08, 2023Highest Forecast: 5.5 ft 5:00PM Feb 08, 2023Highest Forecast: 5.5 ft 6:00PM Feb 08, 2023Forecast: 5.4 ft 7:00PM Feb 08, 2023Forecast: 5.4 ft 8:00PM Feb 08, 2023Forecast: 5.4 ft 9:00PM Feb 08, 2023Forecast: 5.4 ft 10:00PM Feb 08, 2023Forecast: 5.4 ft 11:00PM Feb 08, 2023Forecast: 5.4 ft 12:00AM Feb 09, 2023Forecast: 5.4 ft 1:00AM Feb 09, 2023Forecast: 5.4 ft 2:00AM Feb 09, 2023Forecast: 5.4 ft 3:00AM Feb 09, 2023Forecast: 5.4 ft 4:00AM Feb 09, 2023Forecast: 5.4 ft 5:00AM Feb 09, 2023Forecast: 5.4 ft 6:00AM Feb 09, 2023Forecast: 5.4 ft 7:00AM Feb 09, 2023Forecast: 5.4 ft 8:00AM Feb 09, 2023Forecast: 5.4 ft 9:00AM Feb 09, 2023Forecast: 5.4 ft 10:00AM Feb 09, 2023Forecast: 5.3 ft 11:00AM Feb 09, 2023Forecast: 5.3 ft 12:00PM Feb 09, 2023Forecast: 5.3 ft 1:00PM Feb 09, 2023Forecast: 5.3 ft 2:00PM Feb 09, 2023Forecast: 5.3 ft 3:00PM Feb 09, 2023Forecast: 5.3 ft 4:00PM Feb 09, 2023Forecast: 5.3 ft 5:00PM Feb 09, 2023Forecast: 5.3 ft 6:00PM Feb 09, 2023Forecast: 5.3 ft 7:00PM Feb 09, 2023Forecast: 5.3 ft 8:00PM Feb 09, 2023Forecast: 5.3 ft 9:00PM Feb 09, 2023Forecast: 5.3 ft 10:00PM Feb 09, 2023Forecast: 5.3 ft 11:00PM Feb 09, 2023Forecast: 5.3 ft 12:00AM Feb 10, 2023Forecast: 5.3 ft 1:00AM Feb 10, 2023Forecast: 5.3 ft 2:00AM Feb 10, 2023Forecast: 5.3 ft 3:00AM Feb 10, 2023Forecast: 5.3 ft 4:00AM Feb 10, 2023Forecast: 5.3 ft 5:00AM Feb 10, 2023Forecast: 5.3 ft 6:00AM Feb 10, 2023Forecast: 5.3 ft 7:00AM Feb 10, 2023Forecast: 5.3 ft 8:00AM Feb 10, 2023Forecast: 5.2 ft 9:00AM Feb 10, 2023Forecast: 5.2 ft 10:00AM Feb 10, 2023Forecast: 5.2 ft 11:00AM Feb 10, 2023Forecast: 5.2 ft 12:00PM Feb 10, 2023Forecast: 5.2 ft 1:00PM Feb 10, 2023Forecast: 5.2 ft 2:00PM Feb 10, 2023Forecast: 5.2 ft 3:00PM Feb 10, 2023Forecast: 5.2 ft 4:00PM Feb 10, 2023Forecast: 5.2 ft 5:00PM Feb 10, 2023Forecast: 5.2 ft 6:00PM Feb 10, 2023Forecast: 5.2 ft 7:00PM Feb 10, 2023Forecast: 5.2 ft 8:00PM Feb 10, 2023Forecast: 5.2 ft 9:00PM Feb 10, 2023Forecast: 5.2 ft 10:00PM Feb 10, 2023Forecast: 5.2 ft 11:00PM Feb 10, 2023Forecast: 5.2 ft 12:00AM Feb 11, 2023Forecast: 5.2 ft 1:00AM Feb 11, 2023Forecast: 5.2 ft 2:00AM Feb 11, 2023Forecast: 5.2 ft 3:00AM Feb 11, 2023Forecast: 5.2 ft 4:00AM Feb 11, 2023Forecast: 5.2 ft 5:00AM Feb 11, 2023Forecast: 5.2 ft 6:00AM Feb 11, 2023Forecast: 5.2 ft 7:00AM Feb 11, 2023Forecast: 5.2 ft 8:00AM Feb 11, 2023Forecast: 5.2 ft 9:00AM Feb 11, 2023Forecast: 5.1 ft 10:00AM Feb 11, 2023Forecast: 5.1 ft 11:00AM Feb 11, 2023Forecast: 5.1 ft 12:00PM Feb 11, 2023Forecast: 5.1 ft 1:00PM Feb 11, 2023Forecast: 5.1 ft 2:00PM Feb 11, 2023Forecast: 5.1 ft 3:00PM Feb 11, 2023Forecast: 5.1 ft 4:00PM Feb 11, 2023Forecast: 5.1 ft 5:00PM Feb 11, 2023Forecast: 5.1 ft 6:00PM Feb 11, 2023Forecast: 5.1 ft 7:00PM Feb 11, 2023Forecast: 5.1 ft 8:00PM Feb 11, 2023Forecast: 5.1 ft 9:00PM Feb 11, 2023Forecast: 5.1 ft 10:00PM Feb 11, 2023Forecast: 5.1 ft 11:00PM Feb 11, 2023Forecast: 5.1 ft 12:00AM Feb 12, 2023Forecast: 5.1 ft 1:00AM Feb 12, 2023Forecast: 5.1 ft 2:00AM Feb 12, 2023Forecast: 5.1 ft 3:00AM Feb 12, 2023Forecast: 5.1 ft 4:00AM Feb 12, 2023USGS--Water Resources of the United StatesBTEC1(plotting HGIRG) Graph Created (2:15AM Feb 8, 2023)ObservedForecast (issued 1:58PM Feb 7)Latest observed value: 5.54 ft at 1:45 AM PST 8-Feb-2023. Flood Stage is 16.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: NGVD29
Metadata
Reliability of the Forecast: Based on unobstructed flow

NOTE: Forecasts for the San Lorenzo River (CA) at Big Trees are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage: 21.76
Moderate Flood Stage: 19.5
Flood Stage: 16.5
Action Stage: 14
Low Stage (in feet): -9999

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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
21.76 At approximately 21.76 feet discharge in the San Lorenzo River is approximately 15,000 cfs. Major flooding in the Felton Grove neighborhood occurs at this stage, with roadways several feet deep and waters inundating the approaches to the Felton Covered Bridge. Felton Covered Bridge Park begins to experience widespread flooding at shallow depths. At 15,000 cfs, the City of Santa Cruz downstream will experience more serious flooding. The flood wave may take 2-3 hours to reach Santa Cruz.
19.5 Moderate Flooding. The St. Bernard Street area in Paradise Park is under several feet of water, with below grade floodplain infrastructure several feet deeper. St. Augustine Avenue neighborhood in Paradise Park begins to flood. Flooding imminent or already occurring in the Felton Grove neighborhood. Ground stories, first floors, and garages flooded. Felton Covered Bridge Park begins to flood. NWS will issue an updated Flash Flood Warning, if not yet already issued.
16.5 Minor Flooding. Flooding is either imminent or already occurring in Paradise Park, with initial flooding in the St. Bernard Street area. NWS will issue a Flash Flood Warning, if not yet already issued.
14 Monitor Stage. Stage can rise rapidly on the San Lorenzo River, up to several feet per hour. Approximately 2.5 feet below flood levels in Paradise Park and approximately 5.5 feet below flood stage in Felton Grove. NWS may issue a Flash Flood Watch, in not yet already issued.
About This Location Collapse

Latitude: 37.044393° N, Longitude: 122.072464° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 16.5 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 227 ft 243.5 ft 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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NWS Information
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San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 2-Nov-2020 7:27 PM
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