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Hydrograph River at a Glance Download
San Lorenzo River (CA) at Big Trees Stage (ft)Flow (kcfs)Observed: 3.27 ft at 7:00AM May 12, 2022Observed: 3.27 ft at 7:15AM May 12, 2022Highest Observation: 3.28 ft at 7:30AM May 12, 2022Observed: 3.27 ft at 7:45AM May 12, 2022Observed: 3.27 ft at 8:00AM May 12, 2022Observed: 3.27 ft at 8:15AM May 12, 2022Highest Observation: 3.28 ft at 8:30AM May 12, 2022Observed: 3.27 ft at 8:45AM May 12, 2022Highest Observation: 3.28 ft at 9:00AM May 12, 2022Observed: 3.27 ft at 9:15AM May 12, 2022Observed: 3.27 ft at 9:30AM May 12, 2022Observed: 3.27 ft at 9:45AM May 12, 2022Observed: 3.27 ft at 10:00AM May 12, 2022Observed: 3.27 ft at 10:15AM May 12, 2022Observed: 3.27 ft at 10:30AM May 12, 2022Observed: 3.27 ft at 10:45AM May 12, 2022Observed: 3.27 ft at 11:00AM May 12, 2022Observed: 3.27 ft at 11:15AM May 12, 2022Highest Observation: 3.28 ft at 11:30AM May 12, 2022Observed: 3.27 ft at 11:45AM May 12, 2022Observed: 3.27 ft at 12:00PM May 12, 2022Observed: 3.27 ft at 12:15PM May 12, 2022Observed: 3.27 ft at 12:30PM May 12, 2022Observed: 3.27 ft at 12:45PM May 12, 2022Observed: 3.27 ft at 1:00PM May 12, 2022Observed: 3.27 ft at 1:15PM May 12, 2022Observed: 3.27 ft at 1:30PM May 12, 2022Observed: 3.27 ft at 1:45PM May 12, 2022Observed: 3.27 ft at 2:00PM May 12, 2022Observed: 3.27 ft at 2:15PM May 12, 2022Observed: 3.27 ft at 2:30PM May 12, 2022Observed: 3.27 ft at 2:45PM May 12, 2022Observed: 3.27 ft at 3:00PM May 12, 2022Observed: 3.27 ft at 3:15PM May 12, 2022Observed: 3.27 ft at 3:30PM May 12, 2022Observed: 3.27 ft at 3:45PM May 12, 2022Observed: 3.27 ft at 4:00PM May 12, 2022Observed: 3.27 ft at 4:15PM May 12, 2022Observed: 3.27 ft at 4:30PM May 12, 2022Observed: 3.27 ft at 4:45PM May 12, 2022Observed: 3.27 ft at 5:00PM May 12, 2022Observed: 3.27 ft at 5:15PM May 12, 2022Observed: 3.27 ft at 5:30PM May 12, 2022Observed: 3.27 ft at 5:45PM May 12, 2022Observed: 3.26 ft at 6:00PM May 12, 2022Observed: 3.26 ft at 6:15PM May 12, 2022Observed: 3.26 ft at 6:30PM May 12, 2022Observed: 3.26 ft at 6:45PM May 12, 2022Observed: 3.26 ft at 7:00PM May 12, 2022Observed: 3.26 ft at 7:15PM May 12, 2022Observed: 3.26 ft at 7:30PM May 12, 2022Observed: 3.26 ft at 7:45PM May 12, 2022Observed: 3.26 ft at 8:00PM May 12, 2022Observed: 3.26 ft at 8:15PM May 12, 2022Observed: 3.26 ft at 8:30PM May 12, 2022Observed: 3.26 ft at 8:45PM May 12, 2022Observed: 3.27 ft at 9:00PM May 12, 2022Observed: 3.27 ft at 9:15PM May 12, 2022Observed: 3.26 ft at 9:30PM May 12, 2022Observed: 3.27 ft at 9:45PM May 12, 2022Observed: 3.27 ft at 10:00PM May 12, 2022Observed: 3.27 ft at 10:15PM May 12, 2022Observed: 3.27 ft at 10:30PM May 12, 2022Observed: 3.27 ft at 10:45PM May 12, 2022Observed: 3.27 ft at 11:00PM May 12, 2022Observed: 3.27 ft at 11:15PM May 12, 2022Observed: 3.27 ft at 11:30PM May 12, 2022Observed: 3.27 ft at 11:45PM May 12, 2022Observed: 3.27 ft at 12:00AM May 13, 2022Observed: 3.27 ft at 12:15AM May 13, 2022Observed: 3.27 ft at 12:30AM May 13, 2022Observed: 3.27 ft at 12:45AM May 13, 2022Observed: 3.26 ft at 1:00AM May 13, 2022Observed: 3.26 ft at 1:15AM May 13, 2022Observed: 3.27 ft at 1:30AM May 13, 2022Observed: 3.26 ft at 1:45AM May 13, 2022Observed: 3.26 ft at 2:00AM May 13, 2022Observed: 3.27 ft at 2:15AM May 13, 2022Observed: 3.27 ft at 2:30AM May 13, 2022Observed: 3.27 ft at 2:45AM May 13, 2022Observed: 3.27 ft at 3:00AM May 13, 2022Observed: 3.27 ft at 3:15AM May 13, 2022Observed: 3.27 ft at 3:30AM May 13, 2022Observed: 3.27 ft at 3:45AM May 13, 2022Observed: 3.27 ft at 4:00AM May 13, 2022Observed: 3.27 ft at 4:15AM May 13, 2022Observed: 3.27 ft at 4:30AM May 13, 2022Observed: 3.27 ft at 4:45AM May 13, 2022Observed: 3.27 ft at 5:00AM May 13, 2022Observed: 3.27 ft at 5:15AM May 13, 2022Observed: 3.27 ft at 5:30AM May 13, 2022Observed: 3.27 ft at 5:45AM May 13, 2022Observed: 3.27 ft at 6:00AM May 13, 2022Observed: 3.27 ft at 6:15AM May 13, 2022Observed: 3.27 ft at 6:30AM May 13, 2022Observed: 3.27 ft at 6:45AM May 13, 2022Observed: 3.27 ft at 7:00AM May 13, 2022Observed: 3.27 ft at 7:15AM May 13, 2022Observed: 3.27 ft at 7:30AM May 13, 2022Observed: 3.27 ft at 7:45AM May 13, 2022Observed: 3.27 ft at 8:00AM May 13, 2022Observed: 3.27 ft at 8:15AM May 13, 2022Observed: 3.27 ft at 8:30AM May 13, 2022Observed: 3.27 ft at 8:45AM May 13, 2022Observed: 3.27 ft at 9:00AM May 13, 2022Observed: 3.27 ft at 9:15AM May 13, 2022Observed: 3.27 ft at 9:30AM May 13, 2022Observed: 3.27 ft at 9:45AM May 13, 2022Observed: 3.27 ft at 10:00AM May 13, 2022Observed: 3.27 ft at 10:15AM May 13, 2022Observed: 3.27 ft at 10:30AM May 13, 2022Observed: 3.27 ft at 10:45AM May 13, 2022Observed: 3.26 ft at 11:00AM May 13, 2022Observed: 3.27 ft at 11:15AM May 13, 2022Observed: 3.26 ft at 11:30AM May 13, 2022Observed: 3.27 ft at 11:45AM May 13, 2022Observed: 3.27 ft at 12:00PM May 13, 2022Observed: 3.26 ft at 12:15PM May 13, 2022Observed: 3.27 ft at 12:30PM May 13, 2022Observed: 3.27 ft at 12:45PM May 13, 2022Observed: 3.27 ft at 1:00PM May 13, 2022Observed: 3.27 ft at 1:15PM May 13, 2022Observed: 3.25 ft at 1:30PM May 13, 2022Observed: 3.27 ft at 1:45PM May 13, 2022Observed: 3.27 ft at 2:00PM May 13, 2022Observed: 3.27 ft at 2:15PM May 13, 2022Observed: 3.26 ft at 2:30PM May 13, 2022Observed: 3.26 ft at 2:45PM May 13, 2022Observed: 3.26 ft at 3:00PM May 13, 2022Observed: 3.26 ft at 3:15PM May 13, 2022Observed: 3.26 ft at 3:30PM May 13, 2022Observed: 3.26 ft at 3:45PM May 13, 2022Observed: 3.26 ft at 4:00PM May 13, 2022Observed: 3.26 ft at 4:15PM May 13, 2022Observed: 3.26 ft at 4:30PM May 13, 2022Observed: 3.26 ft at 4:45PM May 13, 2022Observed: 3.26 ft at 5:00PM May 13, 2022Observed: 3.24 ft at 5:15PM May 13, 2022Observed: 3.24 ft at 5:30PM May 13, 2022Observed: 3.25 ft at 5:45PM May 13, 2022Observed: 3.25 ft at 6:00PM May 13, 2022Observed: 3.25 ft at 6:15PM May 13, 2022Observed: 3.25 ft at 6:30PM May 13, 2022Observed: 3.25 ft at 6:45PM May 13, 2022Observed: 3.25 ft at 7:00PM May 13, 2022Observed: 3.25 ft at 7:15PM May 13, 2022Observed: 3.25 ft at 7:30PM May 13, 2022Observed: 3.25 ft at 7:45PM May 13, 2022Observed: 3.25 ft at 8:00PM May 13, 2022Observed: 3.25 ft at 8:15PM May 13, 2022Observed: 3.25 ft at 8:30PM May 13, 2022Observed: 3.25 ft at 8:45PM May 13, 2022Observed: 3.25 ft at 9:00PM May 13, 2022Observed: 3.25 ft at 9:15PM May 13, 2022Observed: 3.25 ft at 9:30PM May 13, 2022Observed: 3.25 ft at 9:45PM May 13, 2022Observed: 3.25 ft at 10:00PM May 13, 2022Observed: 3.25 ft at 10:15PM May 13, 2022Observed: 3.25 ft at 10:30PM May 13, 2022Observed: 3.25 ft at 10:45PM May 13, 2022Observed: 3.25 ft at 11:00PM May 13, 2022Observed: 3.25 ft at 11:15PM May 13, 2022Observed: 3.25 ft at 11:30PM May 13, 2022Observed: 3.26 ft at 11:45PM May 13, 2022Observed: 3.26 ft at 12:00AM May 14, 2022Observed: 3.26 ft at 12:15AM May 14, 2022Observed: 3.26 ft at 12:30AM May 14, 2022Observed: 3.26 ft at 12:45AM May 14, 2022Observed: 3.26 ft at 1:00AM May 14, 2022Observed: 3.26 ft at 1:15AM May 14, 2022Observed: 3.26 ft at 1:30AM May 14, 2022Observed: 3.26 ft at 1:45AM May 14, 2022Observed: 3.26 ft at 2:00AM May 14, 2022Observed: 3.26 ft at 2:15AM May 14, 2022Observed: 3.26 ft at 2:30AM May 14, 2022Observed: 3.26 ft at 2:45AM May 14, 2022Observed: 3.26 ft at 3:00AM May 14, 2022Observed: 3.26 ft at 3:15AM May 14, 2022Observed: 3.26 ft at 3:30AM May 14, 2022Observed: 3.26 ft at 3:45AM May 14, 2022Observed: 3.26 ft at 4:00AM May 14, 2022Observed: 3.26 ft at 4:15AM May 14, 2022Observed: 3.26 ft at 4:30AM May 14, 2022Observed: 3.26 ft at 4:45AM May 14, 2022Observed: 3.26 ft at 5:00AM May 14, 2022Observed: 3.26 ft at 5:15AM May 14, 2022Observed: 3.26 ft at 5:30AM May 14, 2022Observed: 3.26 ft at 5:45AM May 14, 2022Observed: 3.26 ft at 6:00AM May 14, 2022Observed: 3.26 ft at 6:15AM May 14, 2022Observed: 3.26 ft at 6:30AM May 14, 2022Observed: 3.26 ft at 6:45AM May 14, 2022Observed: 3.26 ft at 7:00AM May 14, 2022Observed: 3.26 ft at 7:15AM May 14, 2022Observed: 3.26 ft at 7:30AM May 14, 2022Observed: 3.26 ft at 7:45AM May 14, 2022Observed: 3.26 ft at 8:00AM May 14, 2022Observed: 3.26 ft at 8:15AM May 14, 2022Observed: 3.26 ft at 8:30AM May 14, 2022Observed: 3.26 ft at 8:45AM May 14, 2022Observed: 3.26 ft at 9:00AM May 14, 2022Observed: 3.26 ft at 9:15AM May 14, 2022Observed: 3.26 ft at 9:30AM May 14, 2022Observed: 3.26 ft at 9:45AM May 14, 2022Observed: 3.26 ft at 10:00AM May 14, 2022Observed: 3.26 ft at 10:15AM May 14, 2022Observed: 3.26 ft at 10:30AM May 14, 2022Observed: 3.26 ft at 10:45AM May 14, 2022Observed: 3.26 ft at 11:00AM May 14, 2022Observed: 3.26 ft at 11:15AM May 14, 2022Observed: 3.26 ft at 11:30AM May 14, 2022Observed: 3.26 ft at 11:45AM May 14, 2022Observed: 3.26 ft at 12:00PM May 14, 2022Observed: 3.26 ft at 12:15PM May 14, 2022Observed: 3.26 ft at 12:30PM May 14, 2022Observed: 3.26 ft at 12:45PM May 14, 2022Observed: 3.26 ft at 1:00PM May 14, 2022Observed: 3.26 ft at 1:15PM May 14, 2022Observed: 3.26 ft at 1:30PM May 14, 2022Observed: 3.26 ft at 1:45PM May 14, 2022Observed: 3.23 ft at 2:00PM May 14, 2022Observed: 3.26 ft at 2:15PM May 14, 2022Observed: 3.26 ft at 2:30PM May 14, 2022Observed: 3.26 ft at 2:45PM May 14, 2022Observed: 3.26 ft at 3:00PM May 14, 2022Observed: 3.22 ft at 3:15PM May 14, 2022Observed: 3.25 ft at 3:30PM May 14, 2022Observed: 3.25 ft at 3:45PM May 14, 2022Observed: 3.25 ft at 4:00PM May 14, 2022Observed: 3.25 ft at 4:15PM May 14, 2022Observed: 3.26 ft at 4:30PM May 14, 2022Observed: 3.25 ft at 4:45PM May 14, 2022Observed: 3.25 ft at 5:00PM May 14, 2022Observed: 3.25 ft at 5:15PM May 14, 2022Observed: 3.25 ft at 5:30PM May 14, 2022Observed: 3.25 ft at 5:45PM May 14, 2022Observed: 3.24 ft at 6:00PM May 14, 2022Observed: 3.23 ft at 6:15PM May 14, 2022Observed: 3.25 ft at 6:30PM May 14, 2022Observed: 3.25 ft at 6:45PM May 14, 2022Observed: 3.25 ft at 7:00PM May 14, 2022Observed: 3.25 ft at 7:15PM May 14, 2022Observed: 3.25 ft at 7:30PM May 14, 2022Observed: 3.25 ft at 7:45PM May 14, 2022Observed: 3.25 ft at 8:00PM May 14, 2022Observed: 3.25 ft at 8:15PM May 14, 2022Observed: 3.25 ft at 8:30PM May 14, 2022Observed: 3.25 ft at 8:45PM May 14, 2022Observed: 3.25 ft at 9:00PM May 14, 2022Observed: 3.25 ft at 9:15PM May 14, 2022Observed: 3.25 ft at 9:30PM May 14, 2022Observed: 3.25 ft at 9:45PM May 14, 2022Observed: 3.24 ft at 10:00PM May 14, 2022Observed: 3.25 ft at 10:15PM May 14, 2022Observed: 3.25 ft at 10:30PM May 14, 2022Observed: 3.25 ft at 10:45PM May 14, 2022Observed: 3.25 ft at 11:00PM May 14, 2022Observed: 3.25 ft at 11:15PM May 14, 2022Observed: 3.25 ft at 11:30PM May 14, 2022Observed: 3.25 ft at 11:45PM May 14, 2022Observed: 3.25 ft at 12:00AM May 15, 2022Observed: 3.25 ft at 12:15AM May 15, 2022Observed: 3.25 ft at 12:30AM May 15, 2022Observed: 3.25 ft at 12:45AM May 15, 2022Observed: 3.25 ft at 1:00AM May 15, 2022Observed: 3.25 ft at 1:15AM May 15, 2022Observed: 3.25 ft at 1:30AM May 15, 2022Observed: 3.25 ft at 1:45AM May 15, 2022Observed: 3.25 ft at 2:00AM May 15, 2022Observed: 3.25 ft at 2:15AM May 15, 2022Observed: 3.25 ft at 2:30AM May 15, 2022Observed: 3.25 ft at 2:45AM May 15, 2022Observed: 3.25 ft at 3:00AM May 15, 2022Observed: 3.25 ft at 3:15AM May 15, 2022Observed: 3.25 ft at 3:30AM May 15, 2022Observed: 3.25 ft at 3:45AM May 15, 2022Observed: 3.25 ft at 4:00AM May 15, 2022Observed: 3.25 ft at 4:15AM May 15, 2022Observed: 3.25 ft at 4:30AM May 15, 2022Observed: 3.25 ft at 4:45AM May 15, 2022Observed: 3.25 ft at 5:00AM May 15, 2022Observed: 3.25 ft at 5:15AM May 15, 2022Observed: 3.25 ft at 5:30AM May 15, 2022Observed: 3.25 ft at 5:45AM May 15, 2022Observed: 3.25 ft at 6:00AM May 15, 2022Observed: 3.25 ft at 6:15AM May 15, 2022Observed: 3.25 ft at 6:30AM May 15, 2022Observed: 3.25 ft at 6:45AM May 15, 2022Observed: 3.25 ft at 7:00AM May 15, 2022Observed: 3.25 ft at 7:15AM May 15, 2022Observed: 3.25 ft at 7:30AM May 15, 2022Observed: 3.25 ft at 7:45AM May 15, 2022Observed: 3.25 ft at 8:00AM May 15, 2022Observed: 3.25 ft at 8:15AM May 15, 2022Observed: 3.25 ft at 8:30AM May 15, 2022Observed: 3.25 ft at 8:45AM May 15, 2022Observed: 3.25 ft at 9:00AM May 15, 2022Observed: 3.25 ft at 9:15AM May 15, 2022Observed: 3.25 ft at 9:30AM May 15, 2022Observed: 3.25 ft at 9:45AM May 15, 2022Observed: 3.25 ft at 10:00AM May 15, 2022Observed: 3.25 ft at 10:15AM May 15, 2022Observed: 3.25 ft at 10:30AM May 15, 2022Observed: 3.25 ft at 10:45AM May 15, 2022Observed: 3.25 ft at 11:00AM May 15, 2022Observed: 3.25 ft at 11:15AM May 15, 2022Observed: 3.25 ft at 11:30AM May 15, 2022Observed: 3.25 ft at 11:45AM May 15, 2022Observed: 3.25 ft at 12:00PM May 15, 2022Observed: 3.25 ft at 12:15PM May 15, 2022Observed: 3.25 ft at 12:30PM May 15, 2022Observed: 3.25 ft at 12:45PM May 15, 2022Observed: 3.23 ft at 1:00PM May 15, 2022Observed: 3.25 ft at 1:15PM May 15, 2022Observed: 3.21 ft at 1:30PM May 15, 2022Observed: 3.24 ft at 1:45PM May 15, 2022Observed: 3.25 ft at 2:00PM May 15, 2022Observed: 3.24 ft at 2:15PM May 15, 2022Observed: 3.24 ft at 2:30PM May 15, 2022Observed: 3.24 ft at 2:45PM May 15, 2022Observed: 3.24 ft at 3:00PM May 15, 2022Observed: 3.24 ft at 3:15PM May 15, 2022Observed: 3.24 ft at 3:30PM May 15, 2022Observed: 3.23 ft at 3:45PM May 15, 2022Observed: 3.22 ft at 4:00PM May 15, 2022Observed: 3.22 ft at 4:15PM May 15, 2022Observed: 3.22 ft at 4:30PM May 15, 2022Observed: 3.24 ft at 4:45PM May 15, 2022Observed: 3.24 ft at 5:00PM May 15, 2022Observed: 3.24 ft at 5:15PM May 15, 2022Observed: 3.24 ft at 5:30PM May 15, 2022Observed: 3.24 ft at 5:45PM May 15, 2022Observed: 3.24 ft at 6:00PM May 15, 2022Observed: 3.24 ft at 6:15PM May 15, 2022Observed: 3.24 ft at 6:30PM May 15, 2022Observed: 3.23 ft at 6:45PM May 15, 2022Observed: 3.24 ft at 7:00PM May 15, 2022Observed: 3.24 ft at 7:15PM May 15, 2022Observed: 3.24 ft at 7:30PM May 15, 2022Observed: 3.24 ft at 7:45PM May 15, 2022Observed: 3.24 ft at 8:00PM May 15, 2022Observed: 3.24 ft at 8:15PM May 15, 2022Observed: 3.23 ft at 8:30PM May 15, 2022Observed: 3.23 ft at 8:45PM May 15, 2022Observed: 3.24 ft at 9:00PM May 15, 2022Observed: 3.24 ft at 9:15PM May 15, 2022Observed: 3.24 ft at 9:30PM May 15, 2022Observed: 3.24 ft at 9:45PM May 15, 2022Observed: 3.24 ft at 10:00PM May 15, 2022Observed: 3.24 ft at 10:15PM May 15, 2022Observed: 3.24 ft at 10:30PM May 15, 2022Observed: 3.24 ft at 10:45PM May 15, 2022Observed: 3.24 ft at 11:00PM May 15, 2022Observed: 3.24 ft at 11:15PM May 15, 2022Observed: 3.24 ft at 11:30PM May 15, 2022Observed: 3.24 ft at 11:45PM May 15, 2022Observed: 3.24 ft at 12:00AM May 16, 2022Observed: 3.24 ft at 12:15AM May 16, 2022Observed: 3.24 ft at 12:30AM May 16, 2022Observed: 3.24 ft at 12:45AM May 16, 2022Observed: 3.24 ft at 1:00AM May 16, 2022Observed: 3.24 ft at 1:15AM May 16, 2022Observed: 3.24 ft at 1:30AM May 16, 2022Observed: 3.24 ft at 1:45AM May 16, 2022Observed: 3.24 ft at 2:00AM May 16, 2022Observed: 3.24 ft at 2:15AM May 16, 2022Observed: 3.24 ft at 2:30AM May 16, 2022Observed: 3.24 ft at 2:45AM May 16, 2022Observed: 3.24 ft at 3:00AM May 16, 2022Observed: 3.24 ft at 3:15AM May 16, 2022Observed: 3.24 ft at 3:30AM May 16, 2022Observed: 3.24 ft at 3:45AM May 16, 2022Observed: 3.24 ft at 4:00AM May 16, 2022Observed: 3.24 ft at 4:15AM May 16, 2022Observed: 3.24 ft at 4:30AM May 16, 2022Observed: 3.24 ft at 4:45AM May 16, 2022Observed: 3.24 ft at 5:00AM May 16, 2022Observed: 3.24 ft at 5:15AM May 16, 2022Observed: 3.24 ft at 5:30AM May 16, 2022Observed: 3.24 ft at 5:45AM May 16, 2022Observed: 3.25 ft at 6:00AM May 16, 2022Observed: 3.24 ft at 6:15AM May 16, 2022Observed: 3.24 ft at 6:30AM May 16, 2022Observed: 3.24 ft at 6:45AM May 16, 2022Observed: 3.25 ft at 7:00AM May 16, 2022Observed: 3.25 ft at 7:15AM May 16, 2022Observed: 3.25 ft at 7:30AM May 16, 2022Observed: 3.25 ft at 7:45AM May 16, 2022Observed: 3.25 ft at 8:00AM May 16, 2022Observed: 3.25 ft at 8:15AM May 16, 2022Observed: 3.25 ft at 8:30AM May 16, 2022Observed: 3.25 ft at 8:45AM May 16, 2022Observed: 3.25 ft at 9:00AM May 16, 2022Observed: 3.25 ft at 9:15AM May 16, 2022Observed: 3.25 ft at 9:30AM May 16, 2022Observed: 3.25 ft at 9:45AM May 16, 2022Observed: 3.25 ft at 10:00AM May 16, 2022Observed: 3.25 ft at 10:15AM May 16, 2022Observed: 3.25 ft at 10:30AM May 16, 2022Observed: 3.25 ft at 10:45AM May 16, 2022Observed: 3.24 ft at 11:00AM May 16, 2022Observed: 3.24 ft at 11:15AM May 16, 2022Observed: 3.25 ft at 11:30AM May 16, 2022Observed: 3.24 ft at 11:45AM May 16, 2022Observed: 3.25 ft at 12:00PM May 16, 2022Observed: 3.25 ft at 12:15PM May 16, 2022Observed: 3.25 ft at 12:30PM May 16, 2022Observed: 3.24 ft at 12:45PM May 16, 2022Observed: 3.24 ft at 1:00PM May 16, 2022Observed: 3.24 ft at 1:15PM May 16, 2022Observed: 3.24 ft at 1:30PM May 16, 2022Observed: 3.24 ft at 1:45PM May 16, 2022Observed: 3.24 ft at 2:00PM May 16, 2022Observed: 3.25 ft at 2:15PM May 16, 2022Observed: 3.24 ft at 2:30PM May 16, 2022Observed: 3.24 ft at 2:45PM May 16, 2022Observed: 3.24 ft at 3:00PM May 16, 2022Observed: 3.24 ft at 3:15PM May 16, 2022Observed: 3.24 ft at 3:30PM May 16, 2022Observed: 3.24 ft at 3:45PM May 16, 2022Observed: 3.24 ft at 4:00PM May 16, 2022Observed: 3.24 ft at 4:15PM May 16, 2022Observed: 3.24 ft at 4:30PM May 16, 2022Observed: 3.24 ft at 4:45PM May 16, 2022Observed: 3.24 ft at 5:00PM May 16, 2022Observed: 3.24 ft at 5:15PM May 16, 2022Observed: 3.24 ft at 5:30PM May 16, 2022Observed: 3.24 ft at 5:45PM May 16, 2022Observed: 3.24 ft at 6:00PM May 16, 2022Observed: 3.24 ft at 6:15PM May 16, 2022Observed: 3.24 ft at 6:30PM May 16, 2022Observed: 3.24 ft at 6:45PM May 16, 2022Observed: 3.24 ft at 7:00PM May 16, 2022Observed: 3.24 ft at 7:15PM May 16, 2022Observed: 3.23 ft at 7:30PM May 16, 2022Observed: 3.23 ft at 7:45PM May 16, 2022Observed: 3.23 ft at 8:00PM May 16, 2022Observed: 3.24 ft at 8:15PM May 16, 2022Observed: 3.23 ft at 8:30PM May 16, 2022Observed: 3.23 ft at 8:45PM May 16, 2022Observed: 3.23 ft at 9:00PM May 16, 2022Observed: 3.24 ft at 9:15PM May 16, 2022Observed: 3.24 ft at 9:30PM May 16, 2022Observed: 3.24 ft at 9:45PM May 16, 2022Observed: 3.23 ft at 10:00PM May 16, 2022Observed: 3.24 ft at 10:15PM May 16, 2022Observed: 3.24 ft at 10:30PM May 16, 2022Observed: 3.24 ft at 10:45PM May 16, 2022Observed: 3.24 ft at 11:00PM May 16, 2022Observed: 3.24 ft at 11:15PM May 16, 2022Observed: 3.24 ft at 11:30PM May 16, 2022Observed: 3.24 ft at 11:45PM May 16, 2022Observed: 3.24 ft at 12:00AM May 17, 2022Observed: 3.24 ft at 12:15AM May 17, 2022Observed: 3.24 ft at 12:30AM May 17, 2022Observed: 3.24 ft at 12:45AM May 17, 2022Observed: 3.24 ft at 1:00AM May 17, 2022Observed: 3.24 ft at 1:15AM May 17, 2022Observed: 3.24 ft at 1:30AM May 17, 2022Observed: 3.24 ft at 1:45AM May 17, 2022Observed: 3.24 ft at 2:00AM May 17, 2022Observed: 3.24 ft at 2:15AM May 17, 2022Observed: 3.24 ft at 2:30AM May 17, 2022Observed: 3.24 ft at 2:45AM May 17, 2022Observed: 3.24 ft at 3:00AM May 17, 2022Observed: 3.24 ft at 3:15AM May 17, 2022Observed: 3.24 ft at 3:30AM May 17, 2022Observed: 3.24 ft at 3:45AM May 17, 2022Observed: 3.24 ft at 4:00AM May 17, 2022Observed: 3.24 ft at 4:15AM May 17, 2022Observed: 3.24 ft at 4:30AM May 17, 2022Observed: 3.24 ft at 4:45AM May 17, 2022Observed: 3.24 ft at 5:00AM May 17, 2022Observed: 3.24 ft at 5:15AM May 17, 2022Observed: 3.24 ft at 5:30AM May 17, 2022USGS--Water Resources of the United StatesBTEC1(plotting HGIRG) Graph Created (6:45AM May 17, 2022)ObservedLatest observed value: 3.24 ft at 5:30 AM PDT 17-May-2022. Flood Stage is 16.5 ft
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Tabular Data (UTC)
Tabular Data (PDT)
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
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Gauge LocationGauge Map Marker
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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.
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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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Monterey, CA 93943-5505
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