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Hydrograph River at a Glance Download
San Lorenzo River (CA) at Big Trees Stage (ft)Flow (kcfs)Observed: 3.19 ft at 5:00AM May 28, 2020Observed: 3.19 ft at 5:15AM May 28, 2020Observed: 3.19 ft at 5:30AM May 28, 2020Observed: 3.19 ft at 5:45AM May 28, 2020Observed: 3.19 ft at 6:00AM May 28, 2020Observed: 3.19 ft at 6:15AM May 28, 2020Observed: 3.19 ft at 6:30AM May 28, 2020Observed: 3.19 ft at 6:45AM May 28, 2020Observed: 3.19 ft at 7:00AM May 28, 2020Observed: 3.19 ft at 7:15AM May 28, 2020Observed: 3.19 ft at 7:30AM May 28, 2020Observed: 3.19 ft at 7:45AM May 28, 2020Observed: 3.19 ft at 8:00AM May 28, 2020Observed: 3.19 ft at 8:15AM May 28, 2020Observed: 3.19 ft at 8:30AM May 28, 2020Observed: 3.19 ft at 8:45AM May 28, 2020Observed: 3.19 ft at 9:00AM May 28, 2020Observed: 3.19 ft at 9:15AM May 28, 2020Observed: 3.19 ft at 9:30AM May 28, 2020Observed: 3.19 ft at 9:45AM May 28, 2020Observed: 3.19 ft at 10:00AM May 28, 2020Observed: 3.19 ft at 10:15AM May 28, 2020Observed: 3.19 ft at 10:30AM May 28, 2020Observed: 3.19 ft at 10:45AM May 28, 2020Observed: 3.19 ft at 11:00AM May 28, 2020Observed: 3.19 ft at 11:15AM May 28, 2020Observed: 3.19 ft at 11:30AM May 28, 2020Observed: 3.19 ft at 11:45AM May 28, 2020Observed: 3.18 ft at 12:00PM May 28, 2020Observed: 3.18 ft at 12:15PM May 28, 2020Observed: 3.19 ft at 12:30PM May 28, 2020Observed: 3.19 ft at 12:45PM May 28, 2020Observed: 3.19 ft at 1:00PM May 28, 2020Observed: 3.19 ft at 1:15PM May 28, 2020Observed: 3.18 ft at 1:30PM May 28, 2020Observed: 3.18 ft at 1:45PM May 28, 2020Observed: 3.18 ft at 2:00PM May 28, 2020Observed: 3.18 ft at 2:15PM May 28, 2020Observed: 3.18 ft at 2:30PM May 28, 2020Observed: 3.18 ft at 2:45PM May 28, 2020Observed: 3.18 ft at 3:00PM May 28, 2020Observed: 3.18 ft at 3:15PM May 28, 2020Observed: 3.18 ft at 3:30PM May 28, 2020Observed: 3.18 ft at 3:45PM May 28, 2020Observed: 3.18 ft at 4:00PM May 28, 2020Observed: 3.18 ft at 4:15PM May 28, 2020Observed: 3.17 ft at 4:30PM May 28, 2020Observed: 3.17 ft at 4:45PM May 28, 2020Observed: 3.17 ft at 5:00PM May 28, 2020Observed: 3.18 ft at 5:15PM May 28, 2020Observed: 3.18 ft at 5:30PM May 28, 2020Observed: 3.17 ft at 5:45PM May 28, 2020Observed: 3.17 ft at 6:00PM May 28, 2020Observed: 3.17 ft at 6:15PM May 28, 2020Observed: 3.17 ft at 6:30PM May 28, 2020Observed: 3.17 ft at 6:45PM May 28, 2020Observed: 3.17 ft at 7:00PM May 28, 2020Observed: 3.17 ft at 7:15PM May 28, 2020Observed: 3.17 ft at 7:30PM May 28, 2020Observed: 3.17 ft at 7:45PM May 28, 2020Observed: 3.17 ft at 8:00PM May 28, 2020Observed: 3.18 ft at 8:15PM May 28, 2020Observed: 3.17 ft at 8:30PM May 28, 2020Observed: 3.17 ft at 8:45PM May 28, 2020Observed: 3.18 ft at 9:00PM May 28, 2020Observed: 3.18 ft at 9:15PM May 28, 2020Observed: 3.17 ft at 9:30PM May 28, 2020Observed: 3.17 ft at 9:45PM May 28, 2020Observed: 3.17 ft at 10:00PM May 28, 2020Observed: 3.17 ft at 10:15PM May 28, 2020Observed: 3.18 ft at 10:30PM May 28, 2020Observed: 3.17 ft at 10:45PM May 28, 2020Observed: 3.18 ft at 11:00PM May 28, 2020Observed: 3.18 ft at 11:15PM May 28, 2020Observed: 3.17 ft at 11:30PM May 28, 2020Observed: 3.18 ft at 11:45PM May 28, 2020Observed: 3.18 ft at 12:00AM May 29, 2020Observed: 3.18 ft at 12:15AM May 29, 2020Observed: 3.18 ft at 12:30AM May 29, 2020Observed: 3.18 ft at 12:45AM May 29, 2020Observed: 3.17 ft at 1:00AM May 29, 2020Observed: 3.18 ft at 1:15AM May 29, 2020Observed: 3.18 ft at 1:30AM May 29, 2020Observed: 3.18 ft at 1:45AM May 29, 2020Observed: 3.18 ft at 2:00AM May 29, 2020Observed: 3.18 ft at 2:15AM May 29, 2020Observed: 3.18 ft at 2:30AM May 29, 2020Observed: 3.18 ft at 2:45AM May 29, 2020Observed: 3.18 ft at 3:00AM May 29, 2020Observed: 3.18 ft at 3:15AM May 29, 2020Observed: 3.18 ft at 3:30AM May 29, 2020Observed: 3.18 ft at 3:45AM May 29, 2020Observed: 3.18 ft at 4:00AM May 29, 2020Observed: 3.18 ft at 4:15AM May 29, 2020Observed: 3.18 ft at 4:30AM May 29, 2020Observed: 3.18 ft at 4:45AM May 29, 2020Observed: 3.18 ft at 5:00AM May 29, 2020Observed: 3.18 ft at 5:15AM May 29, 2020Observed: 3.18 ft at 5:30AM May 29, 2020Observed: 3.18 ft at 5:45AM May 29, 2020Observed: 3.18 ft at 6:00AM May 29, 2020Observed: 3.18 ft at 6:15AM May 29, 2020Observed: 3.19 ft at 6:30AM May 29, 2020Observed: 3.19 ft at 6:45AM May 29, 2020Observed: 3.19 ft at 7:00AM May 29, 2020Observed: 3.19 ft at 7:15AM May 29, 2020Observed: 3.19 ft at 7:30AM May 29, 2020Observed: 3.19 ft at 7:45AM May 29, 2020Observed: 3.19 ft at 8:00AM May 29, 2020Observed: 3.18 ft at 8:15AM May 29, 2020Observed: 3.18 ft at 8:30AM May 29, 2020Observed: 3.18 ft at 8:45AM May 29, 2020Observed: 3.18 ft at 9:00AM May 29, 2020Observed: 3.18 ft at 9:15AM May 29, 2020Observed: 3.18 ft at 9:30AM May 29, 2020Observed: 3.18 ft at 9:45AM May 29, 2020Observed: 3.18 ft at 10:00AM May 29, 2020Observed: 3.18 ft at 10:15AM May 29, 2020Observed: 3.18 ft at 10:30AM May 29, 2020Observed: 3.18 ft at 10:45AM May 29, 2020Observed: 3.18 ft at 11:00AM May 29, 2020Observed: 3.18 ft at 11:15AM May 29, 2020Observed: 3.18 ft at 11:30AM May 29, 2020Observed: 3.18 ft at 11:45AM May 29, 2020Observed: 3.18 ft at 12:00PM May 29, 2020Observed: 3.18 ft at 12:15PM May 29, 2020Observed: 3.18 ft at 12:30PM May 29, 2020Observed: 3.18 ft at 12:45PM May 29, 2020Observed: 3.18 ft at 1:00PM May 29, 2020Observed: 3.18 ft at 1:15PM May 29, 2020Observed: 3.18 ft at 1:30PM May 29, 2020Observed: 3.18 ft at 1:45PM May 29, 2020Observed: 3.18 ft at 2:00PM May 29, 2020Observed: 3.18 ft at 2:15PM May 29, 2020Observed: 3.18 ft at 2:30PM May 29, 2020Observed: 3.18 ft at 2:45PM May 29, 2020Observed: 3.18 ft at 3:00PM May 29, 2020Observed: 3.18 ft at 3:15PM May 29, 2020Observed: 3.18 ft at 3:30PM May 29, 2020Observed: 3.18 ft at 3:45PM May 29, 2020Observed: 3.18 ft at 4:00PM May 29, 2020Observed: 3.18 ft at 4:15PM May 29, 2020Observed: 3.18 ft at 4:30PM May 29, 2020Observed: 3.18 ft at 4:45PM May 29, 2020Observed: 3.18 ft at 5:00PM May 29, 2020Observed: 3.18 ft at 5:15PM May 29, 2020Observed: 3.18 ft at 5:30PM May 29, 2020Observed: 3.18 ft at 5:45PM May 29, 2020Observed: 3.18 ft at 6:00PM May 29, 2020Observed: 3.18 ft at 6:15PM May 29, 2020Observed: 3.18 ft at 6:30PM May 29, 2020Observed: 3.19 ft at 6:45PM May 29, 2020Observed: 3.19 ft at 7:00PM May 29, 2020Observed: 3.19 ft at 7:15PM May 29, 2020Observed: 3.19 ft at 7:30PM May 29, 2020Observed: 3.19 ft at 7:45PM May 29, 2020Observed: 3.19 ft at 8:00PM May 29, 2020Observed: 3.19 ft at 8:15PM May 29, 2020Observed: 3.19 ft at 8:30PM May 29, 2020Observed: 3.19 ft at 8:45PM May 29, 2020Observed: 3.19 ft at 9:00PM May 29, 2020Observed: 3.19 ft at 9:15PM May 29, 2020Observed: 3.19 ft at 9:30PM May 29, 2020Observed: 3.19 ft at 9:45PM May 29, 2020Observed: 3.19 ft at 10:00PM May 29, 2020Observed: 3.19 ft at 10:15PM May 29, 2020Observed: 3.19 ft at 10:30PM May 29, 2020Observed: 3.19 ft at 10:45PM May 29, 2020Observed: 3.19 ft at 11:00PM May 29, 2020Observed: 3.19 ft at 11:15PM May 29, 2020Observed: 3.19 ft at 11:30PM May 29, 2020Observed: 3.19 ft at 11:45PM May 29, 2020Observed: 3.19 ft at 12:00AM May 30, 2020Observed: 3.19 ft at 12:15AM May 30, 2020Observed: 3.19 ft at 12:30AM May 30, 2020Observed: 3.19 ft at 12:45AM May 30, 2020Observed: 3.19 ft at 1:00AM May 30, 2020Observed: 3.19 ft at 1:15AM May 30, 2020Observed: 3.19 ft at 1:30AM May 30, 2020Observed: 3.19 ft at 1:45AM May 30, 2020Observed: 3.19 ft at 2:00AM May 30, 2020Observed: 3.19 ft at 2:15AM May 30, 2020Observed: 3.19 ft at 2:30AM May 30, 2020Observed: 3.19 ft at 2:45AM May 30, 2020Observed: 3.19 ft at 3:00AM May 30, 2020Observed: 3.19 ft at 3:15AM May 30, 2020Observed: 3.19 ft at 3:30AM May 30, 2020Observed: 3.19 ft at 3:45AM May 30, 2020Observed: 3.2 ft at 4:00AM May 30, 2020Observed: 3.2 ft at 4:15AM May 30, 2020Observed: 3.2 ft at 4:30AM May 30, 2020Observed: 3.2 ft at 4:45AM May 30, 2020Observed: 3.2 ft at 5:00AM May 30, 2020Observed: 3.2 ft at 5:15AM May 30, 2020Observed: 3.2 ft at 5:30AM May 30, 2020Observed: 3.2 ft at 5:45AM May 30, 2020Observed: 3.2 ft at 6:00AM May 30, 2020Observed: 3.2 ft at 6:15AM May 30, 2020Observed: 3.2 ft at 6:30AM May 30, 2020Observed: 3.2 ft at 6:45AM May 30, 2020Observed: 3.2 ft at 7:00AM May 30, 2020Observed: 3.2 ft at 7:15AM May 30, 2020Observed: 3.2 ft at 7:30AM May 30, 2020Observed: 3.2 ft at 7:45AM May 30, 2020Observed: 3.2 ft at 8:00AM May 30, 2020Observed: 3.2 ft at 8:15AM May 30, 2020Observed: 3.2 ft at 8:30AM May 30, 2020Observed: 3.2 ft at 8:45AM May 30, 2020Observed: 3.2 ft at 9:00AM May 30, 2020Observed: 3.2 ft at 9:15AM May 30, 2020Observed: 3.2 ft at 9:30AM May 30, 2020Observed: 3.2 ft at 9:45AM May 30, 2020Observed: 3.2 ft at 10:00AM May 30, 2020Observed: 3.2 ft at 10:15AM May 30, 2020Observed: 3.2 ft at 10:30AM May 30, 2020Observed: 3.2 ft at 10:45AM May 30, 2020Observed: 3.2 ft at 11:00AM May 30, 2020Observed: 3.2 ft at 11:15AM May 30, 2020Observed: 3.2 ft at 11:30AM May 30, 2020Observed: 3.2 ft at 11:45AM May 30, 2020Observed: 3.2 ft at 12:00PM May 30, 2020Observed: 3.2 ft at 12:15PM May 30, 2020Observed: 3.21 ft at 12:30PM May 30, 2020Observed: 3.21 ft at 12:45PM May 30, 2020Observed: 3.21 ft at 1:00PM May 30, 2020Observed: 3.21 ft at 1:15PM May 30, 2020Highest Observation: 3.22 ft at 1:30PM May 30, 2020Highest Observation: 3.22 ft at 1:45PM May 30, 2020Observed: 3.21 ft at 2:00PM May 30, 2020Highest Observation: 3.22 ft at 2:15PM May 30, 2020Highest Observation: 3.22 ft at 2:30PM May 30, 2020Highest Observation: 3.22 ft at 2:45PM May 30, 2020Observed: 3.21 ft at 3:00PM May 30, 2020Observed: 3.21 ft at 3:15PM May 30, 2020Observed: 3.21 ft at 3:30PM May 30, 2020Highest Observation: 3.22 ft at 3:45PM May 30, 2020Observed: 3.21 ft at 4:00PM May 30, 2020Observed: 3.21 ft at 4:15PM May 30, 2020Observed: 3.21 ft at 4:30PM May 30, 2020Observed: 3.21 ft at 4:45PM May 30, 2020Observed: 3.21 ft at 5:00PM May 30, 2020Observed: 3.21 ft at 5:15PM May 30, 2020Observed: 3.21 ft at 5:30PM May 30, 2020Observed: 3.21 ft at 5:45PM May 30, 2020Observed: 3.21 ft at 6:00PM May 30, 2020Observed: 3.21 ft at 6:15PM May 30, 2020Observed: 3.21 ft at 6:30PM May 30, 2020Observed: 3.21 ft at 6:45PM May 30, 2020Observed: 3.21 ft at 7:00PM May 30, 2020Observed: 3.21 ft at 7:15PM May 30, 2020Observed: 3.21 ft at 7:30PM May 30, 2020Observed: 3.21 ft at 7:45PM May 30, 2020Observed: 3.21 ft at 8:00PM May 30, 2020Observed: 3.21 ft at 8:15PM May 30, 2020Observed: 3.21 ft at 8:30PM May 30, 2020Observed: 3.21 ft at 8:45PM May 30, 2020Observed: 3.21 ft at 9:00PM May 30, 2020Observed: 3.21 ft at 9:15PM May 30, 2020Highest Observation: 3.22 ft at 9:30PM May 30, 2020Highest Observation: 3.22 ft at 9:45PM May 30, 2020Observed: 3.21 ft at 10:00PM May 30, 2020Highest Observation: 3.22 ft at 10:15PM May 30, 2020Highest Observation: 3.22 ft at 10:30PM May 30, 2020Observed: 3.21 ft at 10:45PM May 30, 2020Observed: 3.21 ft at 11:00PM May 30, 2020Observed: 3.21 ft at 11:15PM May 30, 2020Observed: 3.21 ft at 11:30PM May 30, 2020Observed: 3.21 ft at 11:45PM May 30, 2020Observed: 3.21 ft at 12:00AM May 31, 2020Highest Observation: 3.22 ft at 12:15AM May 31, 2020Highest Observation: 3.22 ft at 12:30AM May 31, 2020Observed: 3.21 ft at 12:45AM May 31, 2020Highest Observation: 3.22 ft at 1:00AM May 31, 2020Observed: 3.21 ft at 1:15AM May 31, 2020Observed: 3.21 ft at 1:30AM May 31, 2020Observed: 3.21 ft at 1:45AM May 31, 2020Observed: 3.21 ft at 2:00AM May 31, 2020Highest Observation: 3.22 ft at 2:15AM May 31, 2020Highest Observation: 3.22 ft at 2:30AM May 31, 2020Observed: 3.21 ft at 2:45AM May 31, 2020Observed: 3.21 ft at 3:00AM May 31, 2020Highest Observation: 3.22 ft at 3:15AM May 31, 2020Highest Observation: 3.22 ft at 3:30AM May 31, 2020Observed: 3.21 ft at 3:45AM May 31, 2020Highest Observation: 3.22 ft at 4:00AM May 31, 2020Highest Observation: 3.22 ft at 4:15AM May 31, 2020Highest Observation: 3.22 ft at 4:30AM May 31, 2020Highest Observation: 3.22 ft at 4:45AM May 31, 2020Highest Observation: 3.22 ft at 5:00AM May 31, 2020Observed: 3.21 ft at 5:15AM May 31, 2020Highest Observation: 3.22 ft at 5:30AM May 31, 2020Observed: 3.21 ft at 5:45AM May 31, 2020Highest Observation: 3.22 ft at 6:00AM May 31, 2020Observed: 3.21 ft at 6:15AM May 31, 2020Observed: 3.21 ft at 6:30AM May 31, 2020Observed: 3.21 ft at 6:45AM May 31, 2020Highest Observation: 3.22 ft at 7:00AM May 31, 2020Observed: 3.21 ft at 7:15AM May 31, 2020Observed: 3.21 ft at 7:30AM May 31, 2020Observed: 3.21 ft at 7:45AM May 31, 2020Observed: 3.21 ft at 8:00AM May 31, 2020Observed: 3.21 ft at 8:15AM May 31, 2020Highest Observation: 3.22 ft at 8:30AM May 31, 2020Highest Observation: 3.22 ft at 8:45AM May 31, 2020Observed: 3.21 ft at 9:00AM May 31, 2020Observed: 3.21 ft at 9:15AM May 31, 2020Observed: 3.21 ft at 9:30AM May 31, 2020Observed: 3.21 ft at 9:45AM May 31, 2020Observed: 3.21 ft at 10:00AM May 31, 2020Observed: 3.21 ft at 10:15AM May 31, 2020Observed: 3.21 ft at 10:30AM May 31, 2020Observed: 3.21 ft at 10:45AM May 31, 2020Highest Observation: 3.22 ft at 11:00AM May 31, 2020Observed: 3.21 ft at 11:15AM May 31, 2020Highest Observation: 3.22 ft at 11:30AM May 31, 2020Highest Observation: 3.22 ft at 11:45AM May 31, 2020Observed: 3.21 ft at 12:00PM May 31, 2020Observed: 3.21 ft at 12:15PM May 31, 2020Observed: 3.21 ft at 12:30PM May 31, 2020Highest Observation: 3.22 ft at 12:45PM May 31, 2020Observed: 3.21 ft at 1:00PM May 31, 2020Observed: 3.21 ft at 1:15PM May 31, 2020Highest Observation: 3.22 ft at 1:30PM May 31, 2020Highest Observation: 3.22 ft at 1:45PM May 31, 2020Observed: 3.21 ft at 2:00PM May 31, 2020Observed: 3.21 ft at 2:15PM May 31, 2020Observed: 3.21 ft at 2:30PM May 31, 2020Observed: 3.21 ft at 2:45PM May 31, 2020Observed: 3.21 ft at 3:00PM May 31, 2020Observed: 3.21 ft at 3:15PM May 31, 2020Observed: 3.21 ft at 3:30PM May 31, 2020Observed: 3.21 ft at 3:45PM May 31, 2020Observed: 3.21 ft at 4:00PM May 31, 2020Observed: 3.21 ft at 4:15PM May 31, 2020Observed: 3.21 ft at 4:30PM May 31, 2020Observed: 3.21 ft at 4:45PM May 31, 2020Observed: 3.21 ft at 5:00PM May 31, 2020Observed: 3.21 ft at 5:15PM May 31, 2020Observed: 3.21 ft at 5:30PM May 31, 2020Observed: 3.21 ft at 5:45PM May 31, 2020Observed: 3.21 ft at 6:00PM May 31, 2020Observed: 3.21 ft at 6:15PM May 31, 2020Observed: 3.21 ft at 6:30PM May 31, 2020Observed: 3.21 ft at 6:45PM May 31, 2020Observed: 3.21 ft at 7:00PM May 31, 2020Observed: 3.21 ft at 7:15PM May 31, 2020Observed: 3.21 ft at 7:30PM May 31, 2020Observed: 3.21 ft at 7:45PM May 31, 2020Observed: 3.21 ft at 8:00PM May 31, 2020Observed: 3.21 ft at 8:15PM May 31, 2020Observed: 3.21 ft at 8:30PM May 31, 2020Observed: 3.21 ft at 8:45PM May 31, 2020Observed: 3.2 ft at 9:00PM May 31, 2020Observed: 3.21 ft at 9:15PM May 31, 2020Observed: 3.21 ft at 9:30PM May 31, 2020Observed: 3.21 ft at 9:45PM May 31, 2020Observed: 3.21 ft at 10:00PM May 31, 2020Observed: 3.21 ft at 10:15PM May 31, 2020Observed: 3.21 ft at 10:30PM May 31, 2020Observed: 3.21 ft at 10:45PM May 31, 2020Observed: 3.21 ft at 11:00PM May 31, 2020Observed: 3.21 ft at 11:15PM May 31, 2020Observed: 3.21 ft at 11:30PM May 31, 2020Observed: 3.21 ft at 11:45PM May 31, 2020Observed: 3.21 ft at 12:00AM Jun 01, 2020Observed: 3.21 ft at 12:15AM Jun 01, 2020Observed: 3.21 ft at 12:30AM Jun 01, 2020Observed: 3.21 ft at 12:45AM Jun 01, 2020Observed: 3.21 ft at 1:00AM Jun 01, 2020Observed: 3.21 ft at 1:15AM Jun 01, 2020Observed: 3.21 ft at 1:30AM Jun 01, 2020Observed: 3.21 ft at 1:45AM Jun 01, 2020Observed: 3.21 ft at 2:00AM Jun 01, 2020Observed: 3.21 ft at 2:15AM Jun 01, 2020Observed: 3.21 ft at 2:30AM Jun 01, 2020Observed: 3.21 ft at 2:45AM Jun 01, 2020Observed: 3.21 ft at 3:00AM Jun 01, 2020Observed: 3.21 ft at 3:15AM Jun 01, 2020Observed: 3.21 ft at 3:30AM Jun 01, 2020Observed: 3.21 ft at 3:45AM Jun 01, 2020Observed: 3.21 ft at 4:00AM Jun 01, 2020Observed: 3.21 ft at 4:15AM Jun 01, 2020Observed: 3.21 ft at 4:30AM Jun 01, 2020Observed: 3.21 ft at 4:45AM Jun 01, 2020Observed: 3.21 ft at 5:00AM Jun 01, 2020Observed: 3.21 ft at 5:15AM Jun 01, 2020Observed: 3.21 ft at 5:30AM Jun 01, 2020Observed: 3.21 ft at 5:45AM Jun 01, 2020Observed: 3.21 ft at 6:00AM Jun 01, 2020Observed: 3.21 ft at 6:15AM Jun 01, 2020Observed: 3.21 ft at 6:30AM Jun 01, 2020Observed: 3.21 ft at 6:45AM Jun 01, 2020Observed: 3.21 ft at 7:00AM Jun 01, 2020Observed: 3.21 ft at 7:15AM Jun 01, 2020Observed: 3.21 ft at 7:30AM Jun 01, 2020Observed: 3.21 ft at 7:45AM Jun 01, 2020Observed: 3.21 ft at 8:00AM Jun 01, 2020Observed: 3.21 ft at 8:15AM Jun 01, 2020Observed: 3.21 ft at 8:30AM Jun 01, 2020Observed: 3.21 ft at 8:45AM Jun 01, 2020Observed: 3.21 ft at 9:00AM Jun 01, 2020Observed: 3.21 ft at 9:15AM Jun 01, 2020Observed: 3.21 ft at 9:30AM Jun 01, 2020Observed: 3.21 ft at 9:45AM Jun 01, 2020Observed: 3.21 ft at 10:00AM Jun 01, 2020Observed: 3.21 ft at 10:15AM Jun 01, 2020Observed: 3.21 ft at 10:30AM Jun 01, 2020Observed: 3.21 ft at 10:45AM Jun 01, 2020Observed: 3.21 ft at 11:00AM Jun 01, 2020Observed: 3.21 ft at 11:15AM Jun 01, 2020Observed: 3.21 ft at 11:30AM Jun 01, 2020Observed: 3.21 ft at 11:45AM Jun 01, 2020Observed: 3.21 ft at 12:00PM Jun 01, 2020Observed: 3.21 ft at 12:15PM Jun 01, 2020Observed: 3.2 ft at 12:30PM Jun 01, 2020Observed: 3.21 ft at 12:45PM Jun 01, 2020Observed: 3.2 ft at 1:00PM Jun 01, 2020Observed: 3.2 ft at 1:15PM Jun 01, 2020Observed: 3.2 ft at 1:30PM Jun 01, 2020Observed: 3.2 ft at 1:45PM Jun 01, 2020Observed: 3.2 ft at 2:00PM Jun 01, 2020Observed: 3.2 ft at 2:15PM Jun 01, 2020Observed: 3.2 ft at 2:30PM Jun 01, 2020Observed: 3.2 ft at 2:45PM Jun 01, 2020Observed: 3.2 ft at 3:00PM Jun 01, 2020Observed: 3.2 ft at 3:15PM Jun 01, 2020Observed: 3.19 ft at 3:30PM Jun 01, 2020Observed: 3.2 ft at 3:45PM Jun 01, 2020Observed: 3.2 ft at 4:00PM Jun 01, 2020Observed: 3.2 ft at 4:15PM Jun 01, 2020Observed: 3.19 ft at 4:30PM Jun 01, 2020Observed: 3.19 ft at 4:45PM Jun 01, 2020Observed: 3.19 ft at 5:00PM Jun 01, 2020Observed: 3.19 ft at 5:15PM Jun 01, 2020Observed: 3.19 ft at 5:30PM Jun 01, 2020Observed: 3.19 ft at 5:45PM Jun 01, 2020Observed: 3.19 ft at 6:00PM Jun 01, 2020Observed: 3.19 ft at 6:15PM Jun 01, 2020Observed: 3.19 ft at 6:30PM Jun 01, 2020Observed: 3.19 ft at 6:45PM Jun 01, 2020Observed: 3.19 ft at 7:00PM Jun 01, 2020Observed: 3.19 ft at 7:15PM Jun 01, 2020Observed: 3.19 ft at 7:30PM Jun 01, 2020Observed: 3.19 ft at 7:45PM Jun 01, 2020Observed: 3.19 ft at 8:00PM Jun 01, 2020Observed: 3.19 ft at 8:15PM Jun 01, 2020Observed: 3.19 ft at 8:30PM Jun 01, 2020Observed: 3.19 ft at 8:45PM Jun 01, 2020Observed: 3.19 ft at 9:00PM Jun 01, 2020Observed: 3.19 ft at 9:15PM Jun 01, 2020Observed: 3.19 ft at 9:30PM Jun 01, 2020Observed: 3.19 ft at 9:45PM Jun 01, 2020Observed: 3.19 ft at 10:00PM Jun 01, 2020Observed: 3.19 ft at 10:15PM Jun 01, 2020Observed: 3.19 ft at 10:30PM Jun 01, 2020Observed: 3.19 ft at 10:45PM Jun 01, 2020Observed: 3.19 ft at 11:00PM Jun 01, 2020Observed: 3.19 ft at 11:15PM Jun 01, 2020Observed: 3.2 ft at 11:30PM Jun 01, 2020Observed: 3.2 ft at 11:45PM Jun 01, 2020Observed: 3.19 ft at 12:00AM Jun 02, 2020Observed: 3.19 ft at 12:15AM Jun 02, 2020Observed: 3.2 ft at 12:30AM Jun 02, 2020Observed: 3.2 ft at 12:45AM Jun 02, 2020Observed: 3.2 ft at 1:00AM Jun 02, 2020Observed: 3.2 ft at 1:15AM Jun 02, 2020Observed: 3.2 ft at 1:30AM Jun 02, 2020Observed: 3.2 ft at 1:45AM Jun 02, 2020Observed: 3.2 ft at 2:00AM Jun 02, 2020Observed: 3.2 ft at 2:15AM Jun 02, 2020Observed: 3.2 ft at 2:30AM Jun 02, 2020Observed: 3.2 ft at 2:45AM Jun 02, 2020Observed: 3.2 ft at 3:00AM Jun 02, 2020Observed: 3.2 ft at 3:15AM Jun 02, 2020Observed: 3.2 ft at 3:30AM Jun 02, 2020USGS--Water Resources of the United StatesBTEC1(plotting HGIRG) Graph Created (4:45AM Jun 2, 2020)ObservedLatest observed value: 3.2 ft at 3:30 AM PDT 2-Jun-2020. Flood Stage is 16.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
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
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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: 37.044444° N, Longitude: 122.072500° 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 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
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: 1-Mar-2019 12:32 AM
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