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Hydrograph River at a Glance Download
San Lorenzo River (CA) at Big Trees Stage (ft)Flow (kcfs)Observed: 2.9 ft at 9:45AM Sep 24, 2022Observed: 2.9 ft at 10:00AM Sep 24, 2022Observed: 2.9 ft at 10:15AM Sep 24, 2022Observed: 2.9 ft at 10:30AM Sep 24, 2022Highest Observation: 2.91 ft at 10:45AM Sep 24, 2022Highest Observation: 2.91 ft at 11:00AM Sep 24, 2022Observed: 2.9 ft at 11:15AM Sep 24, 2022Observed: 2.9 ft at 11:30AM Sep 24, 2022Observed: 2.9 ft at 11:45AM Sep 24, 2022Observed: 2.9 ft at 12:00PM Sep 24, 2022Observed: 2.9 ft at 12:15PM Sep 24, 2022Observed: 2.9 ft at 12:30PM Sep 24, 2022Observed: 2.9 ft at 12:45PM Sep 24, 2022Observed: 2.9 ft at 1:00PM Sep 24, 2022Observed: 2.9 ft at 1:15PM Sep 24, 2022Observed: 2.9 ft at 1:30PM Sep 24, 2022Observed: 2.9 ft at 1:45PM Sep 24, 2022Observed: 2.9 ft at 2:00PM Sep 24, 2022Observed: 2.9 ft at 2:15PM Sep 24, 2022Observed: 2.9 ft at 2:30PM Sep 24, 2022Observed: 2.9 ft at 2:45PM Sep 24, 2022Observed: 2.9 ft at 3:00PM Sep 24, 2022Observed: 2.9 ft at 3:15PM Sep 24, 2022Observed: 2.9 ft at 3:30PM Sep 24, 2022Observed: 2.9 ft at 3:45PM Sep 24, 2022Observed: 2.9 ft at 4:00PM Sep 24, 2022Observed: 2.9 ft at 4:15PM Sep 24, 2022Observed: 2.9 ft at 4:30PM Sep 24, 2022Observed: 2.89 ft at 4:45PM Sep 24, 2022Observed: 2.89 ft at 5:00PM Sep 24, 2022Observed: 2.88 ft at 5:15PM Sep 24, 2022Observed: 2.9 ft at 5:30PM Sep 24, 2022Observed: 2.9 ft at 5:45PM Sep 24, 2022Observed: 2.9 ft at 6:00PM Sep 24, 2022Observed: 2.89 ft at 6:15PM Sep 24, 2022Observed: 2.89 ft at 6:30PM Sep 24, 2022Observed: 2.89 ft at 6:45PM Sep 24, 2022Observed: 2.89 ft at 7:00PM Sep 24, 2022Observed: 2.89 ft at 7:15PM Sep 24, 2022Observed: 2.89 ft at 7:30PM Sep 24, 2022Observed: 2.89 ft at 7:45PM Sep 24, 2022Observed: 2.89 ft at 8:00PM Sep 24, 2022Observed: 2.89 ft at 8:15PM Sep 24, 2022Observed: 2.89 ft at 8:30PM Sep 24, 2022Observed: 2.89 ft at 8:45PM Sep 24, 2022Observed: 2.89 ft at 9:00PM Sep 24, 2022Observed: 2.89 ft at 9:15PM Sep 24, 2022Observed: 2.89 ft at 9:30PM Sep 24, 2022Observed: 2.89 ft at 9:45PM Sep 24, 2022Observed: 2.89 ft at 10:00PM Sep 24, 2022Observed: 2.89 ft at 10:15PM Sep 24, 2022Observed: 2.89 ft at 10:30PM Sep 24, 2022Observed: 2.89 ft at 10:45PM Sep 24, 2022Observed: 2.89 ft at 11:00PM Sep 24, 2022Observed: 2.89 ft at 11:15PM Sep 24, 2022Observed: 2.89 ft at 11:30PM Sep 24, 2022Observed: 2.89 ft at 11:45PM Sep 24, 2022Observed: 2.89 ft at 12:00AM Sep 25, 2022Observed: 2.89 ft at 12:15AM Sep 25, 2022Observed: 2.89 ft at 12:30AM Sep 25, 2022Observed: 2.89 ft at 12:45AM Sep 25, 2022Observed: 2.89 ft at 1:00AM Sep 25, 2022Observed: 2.89 ft at 1:15AM Sep 25, 2022Observed: 2.89 ft at 1:30AM Sep 25, 2022Observed: 2.89 ft at 1:45AM Sep 25, 2022Observed: 2.89 ft at 2:00AM Sep 25, 2022Observed: 2.89 ft at 2:15AM Sep 25, 2022Observed: 2.89 ft at 2:30AM Sep 25, 2022Observed: 2.89 ft at 2:45AM Sep 25, 2022Observed: 2.89 ft at 3:00AM Sep 25, 2022Observed: 2.89 ft at 3:15AM Sep 25, 2022Observed: 2.89 ft at 3:30AM Sep 25, 2022Observed: 2.9 ft at 3:45AM Sep 25, 2022Observed: 2.9 ft at 4:00AM Sep 25, 2022Observed: 2.9 ft at 4:15AM Sep 25, 2022Observed: 2.9 ft at 4:30AM Sep 25, 2022Observed: 2.9 ft at 4:45AM Sep 25, 2022Observed: 2.9 ft at 5:00AM Sep 25, 2022Observed: 2.9 ft at 5:15AM Sep 25, 2022Observed: 2.9 ft at 5:30AM Sep 25, 2022Observed: 2.9 ft at 5:45AM Sep 25, 2022Observed: 2.9 ft at 6:00AM Sep 25, 2022Observed: 2.9 ft at 6:15AM Sep 25, 2022Observed: 2.9 ft at 6:30AM Sep 25, 2022Observed: 2.9 ft at 6:45AM Sep 25, 2022Observed: 2.9 ft at 7:00AM Sep 25, 2022Observed: 2.9 ft at 7:15AM Sep 25, 2022Observed: 2.9 ft at 7:30AM Sep 25, 2022Observed: 2.9 ft at 7:45AM Sep 25, 2022Observed: 2.9 ft at 8:00AM Sep 25, 2022Observed: 2.9 ft at 8:15AM Sep 25, 2022Observed: 2.9 ft at 8:30AM Sep 25, 2022Observed: 2.9 ft at 8:45AM Sep 25, 2022Highest Observation: 2.91 ft at 9:00AM Sep 25, 2022Highest Observation: 2.91 ft at 9:15AM Sep 25, 2022Highest Observation: 2.91 ft at 9:30AM Sep 25, 2022Highest Observation: 2.91 ft at 9:45AM Sep 25, 2022Highest Observation: 2.91 ft at 10:00AM Sep 25, 2022Highest Observation: 2.91 ft at 10:15AM Sep 25, 2022Highest Observation: 2.91 ft at 10:30AM Sep 25, 2022Highest Observation: 2.91 ft at 10:45AM Sep 25, 2022Observed: 2.9 ft at 11:00AM Sep 25, 2022Observed: 2.9 ft at 11:15AM Sep 25, 2022Observed: 2.89 ft at 11:30AM Sep 25, 2022Observed: 2.9 ft at 11:45AM Sep 25, 2022Observed: 2.9 ft at 12:00PM Sep 25, 2022Observed: 2.9 ft at 12:15PM Sep 25, 2022Observed: 2.9 ft at 12:30PM Sep 25, 2022Observed: 2.9 ft at 12:45PM Sep 25, 2022Observed: 2.9 ft at 1:00PM Sep 25, 2022Observed: 2.9 ft at 1:15PM Sep 25, 2022Observed: 2.9 ft at 1:30PM Sep 25, 2022Observed: 2.9 ft at 1:45PM Sep 25, 2022Observed: 2.9 ft at 2:00PM Sep 25, 2022Observed: 2.9 ft at 2:15PM Sep 25, 2022Observed: 2.9 ft at 2:30PM Sep 25, 2022Observed: 2.9 ft at 2:45PM Sep 25, 2022Observed: 2.9 ft at 3:00PM Sep 25, 2022Observed: 2.9 ft at 3:15PM Sep 25, 2022Observed: 2.9 ft at 3:30PM Sep 25, 2022Observed: 2.9 ft at 3:45PM Sep 25, 2022Observed: 2.9 ft at 4:00PM Sep 25, 2022Observed: 2.89 ft at 4:15PM Sep 25, 2022Observed: 2.89 ft at 4:30PM Sep 25, 2022Observed: 2.89 ft at 4:45PM Sep 25, 2022Observed: 2.89 ft at 5:00PM Sep 25, 2022Observed: 2.89 ft at 5:15PM Sep 25, 2022Observed: 2.89 ft at 5:30PM Sep 25, 2022Observed: 2.89 ft at 5:45PM Sep 25, 2022Observed: 2.89 ft at 6:00PM Sep 25, 2022Observed: 2.89 ft at 6:15PM Sep 25, 2022Observed: 2.89 ft at 6:30PM Sep 25, 2022Observed: 2.89 ft at 6:45PM Sep 25, 2022Observed: 2.89 ft at 7:00PM Sep 25, 2022Observed: 2.89 ft at 7:15PM Sep 25, 2022Observed: 2.89 ft at 7:30PM Sep 25, 2022Observed: 2.89 ft at 7:45PM Sep 25, 2022Observed: 2.89 ft at 8:00PM Sep 25, 2022Observed: 2.89 ft at 8:15PM Sep 25, 2022Observed: 2.89 ft at 8:30PM Sep 25, 2022Observed: 2.89 ft at 8:45PM Sep 25, 2022Observed: 2.88 ft at 9:00PM Sep 25, 2022Observed: 2.88 ft at 9:15PM Sep 25, 2022Observed: 2.88 ft at 9:30PM Sep 25, 2022Observed: 2.88 ft at 9:45PM Sep 25, 2022Observed: 2.88 ft at 10:00PM Sep 25, 2022Observed: 2.88 ft at 10:15PM Sep 25, 2022Observed: 2.88 ft at 10:30PM Sep 25, 2022Observed: 2.88 ft at 10:45PM Sep 25, 2022Observed: 2.88 ft at 11:00PM Sep 25, 2022Observed: 2.88 ft at 11:15PM Sep 25, 2022Observed: 2.88 ft at 11:30PM Sep 25, 2022Observed: 2.88 ft at 11:45PM Sep 25, 2022Observed: 2.88 ft at 12:00AM Sep 26, 2022Observed: 2.88 ft at 12:15AM Sep 26, 2022Observed: 2.88 ft at 12:30AM Sep 26, 2022Observed: 2.88 ft at 12:45AM Sep 26, 2022Observed: 2.88 ft at 1:00AM Sep 26, 2022Observed: 2.88 ft at 1:15AM Sep 26, 2022Observed: 2.88 ft at 1:30AM Sep 26, 2022Observed: 2.88 ft at 1:45AM Sep 26, 2022Observed: 2.88 ft at 2:00AM Sep 26, 2022Observed: 2.88 ft at 2:15AM Sep 26, 2022Observed: 2.88 ft at 2:30AM Sep 26, 2022Observed: 2.88 ft at 2:45AM Sep 26, 2022Observed: 2.88 ft at 3:00AM Sep 26, 2022Observed: 2.88 ft at 3:15AM Sep 26, 2022Observed: 2.88 ft at 3:30AM Sep 26, 2022Observed: 2.88 ft at 3:45AM Sep 26, 2022Observed: 2.88 ft at 4:00AM Sep 26, 2022Observed: 2.89 ft at 4:15AM Sep 26, 2022Observed: 2.88 ft at 4:30AM Sep 26, 2022Observed: 2.89 ft at 4:45AM Sep 26, 2022Observed: 2.89 ft at 5:00AM Sep 26, 2022Observed: 2.89 ft at 5:15AM Sep 26, 2022Observed: 2.89 ft at 5:30AM Sep 26, 2022Observed: 2.89 ft at 5:45AM Sep 26, 2022Observed: 2.89 ft at 6:00AM Sep 26, 2022Observed: 2.89 ft at 6:15AM Sep 26, 2022Observed: 2.89 ft at 6:30AM Sep 26, 2022Observed: 2.89 ft at 6:45AM Sep 26, 2022Observed: 2.89 ft at 7:00AM Sep 26, 2022Observed: 2.89 ft at 7:15AM Sep 26, 2022Observed: 2.89 ft at 7:30AM Sep 26, 2022Observed: 2.89 ft at 7:45AM Sep 26, 2022Observed: 2.89 ft at 8:00AM Sep 26, 2022Observed: 2.89 ft at 8:15AM Sep 26, 2022Observed: 2.89 ft at 8:30AM Sep 26, 2022Observed: 2.89 ft at 8:45AM Sep 26, 2022Observed: 2.89 ft at 9:00AM Sep 26, 2022Observed: 2.89 ft at 9:15AM Sep 26, 2022Observed: 2.89 ft at 9:30AM Sep 26, 2022Observed: 2.89 ft at 9:45AM Sep 26, 2022Observed: 2.89 ft at 10:00AM Sep 26, 2022Observed: 2.89 ft at 10:15AM Sep 26, 2022Observed: 2.89 ft at 10:30AM Sep 26, 2022Observed: 2.89 ft at 10:45AM Sep 26, 2022Observed: 2.89 ft at 11:00AM Sep 26, 2022Observed: 2.9 ft at 11:15AM Sep 26, 2022Observed: 2.89 ft at 11:30AM Sep 26, 2022Observed: 2.88 ft at 11:45AM Sep 26, 2022Observed: 2.9 ft at 12:00PM Sep 26, 2022Observed: 2.9 ft at 12:15PM Sep 26, 2022Observed: 2.9 ft at 12:30PM Sep 26, 2022Observed: 2.9 ft at 12:45PM Sep 26, 2022Observed: 2.89 ft at 1:00PM Sep 26, 2022Observed: 2.89 ft at 1:15PM Sep 26, 2022Observed: 2.89 ft at 1:30PM Sep 26, 2022Observed: 2.89 ft at 1:45PM Sep 26, 2022Observed: 2.89 ft at 2:00PM Sep 26, 2022Observed: 2.89 ft at 2:15PM Sep 26, 2022Observed: 2.89 ft at 2:30PM Sep 26, 2022Observed: 2.89 ft at 2:45PM Sep 26, 2022Observed: 2.89 ft at 3:00PM Sep 26, 2022Observed: 2.89 ft at 3:15PM Sep 26, 2022Observed: 2.89 ft at 3:30PM Sep 26, 2022Observed: 2.89 ft at 3:45PM Sep 26, 2022Observed: 2.89 ft at 4:00PM Sep 26, 2022Observed: 2.89 ft at 4:15PM Sep 26, 2022Observed: 2.89 ft at 4:30PM Sep 26, 2022Observed: 2.89 ft at 4:45PM Sep 26, 2022Observed: 2.89 ft at 5:00PM Sep 26, 2022Observed: 2.89 ft at 5:15PM Sep 26, 2022Observed: 2.89 ft at 5:30PM Sep 26, 2022Observed: 2.89 ft at 5:45PM Sep 26, 2022Observed: 2.89 ft at 6:00PM Sep 26, 2022Observed: 2.89 ft at 6:15PM Sep 26, 2022Observed: 2.89 ft at 6:30PM Sep 26, 2022Observed: 2.89 ft at 6:45PM Sep 26, 2022Observed: 2.89 ft at 7:00PM Sep 26, 2022Observed: 2.88 ft at 7:15PM Sep 26, 2022Observed: 2.88 ft at 7:30PM Sep 26, 2022Observed: 2.89 ft at 7:45PM Sep 26, 2022Observed: 2.88 ft at 8:00PM Sep 26, 2022Observed: 2.88 ft at 8:15PM Sep 26, 2022Observed: 2.88 ft at 8:30PM Sep 26, 2022Observed: 2.88 ft at 8:45PM Sep 26, 2022Observed: 2.88 ft at 9:00PM Sep 26, 2022Observed: 2.88 ft at 9:15PM Sep 26, 2022Observed: 2.88 ft at 9:30PM Sep 26, 2022Observed: 2.88 ft at 9:45PM Sep 26, 2022Observed: 2.88 ft at 10:00PM Sep 26, 2022Observed: 2.88 ft at 10:15PM Sep 26, 2022Observed: 2.88 ft at 10:30PM Sep 26, 2022Observed: 2.88 ft at 10:45PM Sep 26, 2022Observed: 2.88 ft at 11:00PM Sep 26, 2022Observed: 2.88 ft at 11:15PM Sep 26, 2022Observed: 2.88 ft at 11:30PM Sep 26, 2022Observed: 2.88 ft at 11:45PM Sep 26, 2022Observed: 2.88 ft at 12:00AM Sep 27, 2022Observed: 2.89 ft at 12:15AM Sep 27, 2022Observed: 2.89 ft at 12:30AM Sep 27, 2022Observed: 2.89 ft at 12:45AM Sep 27, 2022Observed: 2.89 ft at 1:00AM Sep 27, 2022Observed: 2.89 ft at 1:15AM Sep 27, 2022Observed: 2.89 ft at 1:30AM Sep 27, 2022Observed: 2.89 ft at 1:45AM Sep 27, 2022Observed: 2.89 ft at 2:00AM Sep 27, 2022Observed: 2.89 ft at 2:15AM Sep 27, 2022Observed: 2.89 ft at 2:30AM Sep 27, 2022Observed: 2.89 ft at 2:45AM Sep 27, 2022Observed: 2.89 ft at 3:00AM Sep 27, 2022Observed: 2.89 ft at 3:15AM Sep 27, 2022Observed: 2.89 ft at 3:30AM Sep 27, 2022Observed: 2.89 ft at 3:45AM Sep 27, 2022Observed: 2.89 ft at 4:00AM Sep 27, 2022Observed: 2.89 ft at 4:15AM Sep 27, 2022Observed: 2.89 ft at 4:30AM Sep 27, 2022Observed: 2.89 ft at 4:45AM Sep 27, 2022Observed: 2.89 ft at 5:00AM Sep 27, 2022Observed: 2.89 ft at 5:15AM Sep 27, 2022Observed: 2.9 ft at 5:30AM Sep 27, 2022Observed: 2.9 ft at 5:45AM Sep 27, 2022Observed: 2.9 ft at 6:00AM Sep 27, 2022Observed: 2.9 ft at 6:15AM Sep 27, 2022Observed: 2.9 ft at 6:30AM Sep 27, 2022Observed: 2.9 ft at 6:45AM Sep 27, 2022Observed: 2.9 ft at 7:00AM Sep 27, 2022Observed: 2.9 ft at 7:15AM Sep 27, 2022Observed: 2.9 ft at 7:30AM Sep 27, 2022Observed: 2.9 ft at 7:45AM Sep 27, 2022Observed: 2.9 ft at 8:00AM Sep 27, 2022Observed: 2.9 ft at 8:15AM Sep 27, 2022Observed: 2.9 ft at 8:30AM Sep 27, 2022Observed: 2.9 ft at 8:45AM Sep 27, 2022Observed: 2.9 ft at 9:00AM Sep 27, 2022Observed: 2.9 ft at 9:15AM Sep 27, 2022Observed: 2.9 ft at 9:30AM Sep 27, 2022Observed: 2.9 ft at 9:45AM Sep 27, 2022Observed: 2.9 ft at 10:00AM Sep 27, 2022Observed: 2.9 ft at 10:15AM Sep 27, 2022Observed: 2.9 ft at 10:30AM Sep 27, 2022Observed: 2.9 ft at 10:45AM Sep 27, 2022Observed: 2.9 ft at 11:00AM Sep 27, 2022Observed: 2.9 ft at 11:15AM Sep 27, 2022Observed: 2.9 ft at 11:30AM Sep 27, 2022Observed: 2.9 ft at 11:45AM Sep 27, 2022Observed: 2.9 ft at 12:00PM Sep 27, 2022Observed: 2.9 ft at 12:15PM Sep 27, 2022Observed: 2.89 ft at 12:30PM Sep 27, 2022Observed: 2.89 ft at 12:45PM Sep 27, 2022Observed: 2.89 ft at 1:00PM Sep 27, 2022Observed: 2.89 ft at 1:15PM Sep 27, 2022Observed: 2.89 ft at 1:30PM Sep 27, 2022Observed: 2.89 ft at 1:45PM Sep 27, 2022Observed: 2.89 ft at 2:00PM Sep 27, 2022Observed: 2.89 ft at 2:15PM Sep 27, 2022Observed: 2.89 ft at 2:30PM Sep 27, 2022Observed: 2.89 ft at 2:45PM Sep 27, 2022Observed: 2.89 ft at 3:00PM Sep 27, 2022Observed: 2.89 ft at 3:15PM Sep 27, 2022Observed: 2.89 ft at 3:30PM Sep 27, 2022Observed: 2.89 ft at 3:45PM Sep 27, 2022Observed: 2.89 ft at 4:00PM Sep 27, 2022Observed: 2.88 ft at 4:15PM Sep 27, 2022Observed: 2.89 ft at 4:30PM Sep 27, 2022Observed: 2.89 ft at 4:45PM Sep 27, 2022Observed: 2.89 ft at 5:00PM Sep 27, 2022Observed: 2.89 ft at 5:15PM Sep 27, 2022Observed: 2.88 ft at 5:30PM Sep 27, 2022Observed: 2.88 ft at 5:45PM Sep 27, 2022Observed: 2.88 ft at 6:00PM Sep 27, 2022Observed: 2.88 ft at 6:15PM Sep 27, 2022Observed: 2.88 ft at 6:30PM Sep 27, 2022Observed: 2.88 ft at 6:45PM Sep 27, 2022Observed: 2.88 ft at 7:00PM Sep 27, 2022Observed: 2.88 ft at 7:15PM Sep 27, 2022Observed: 2.88 ft at 7:30PM Sep 27, 2022Observed: 2.88 ft at 7:45PM Sep 27, 2022Observed: 2.88 ft at 8:00PM Sep 27, 2022Observed: 2.88 ft at 8:15PM Sep 27, 2022Observed: 2.88 ft at 8:30PM Sep 27, 2022Observed: 2.87 ft at 8:45PM Sep 27, 2022Observed: 2.87 ft at 9:00PM Sep 27, 2022Observed: 2.87 ft at 9:15PM Sep 27, 2022Observed: 2.88 ft at 9:30PM Sep 27, 2022Observed: 2.88 ft at 9:45PM Sep 27, 2022Observed: 2.88 ft at 10:00PM Sep 27, 2022Observed: 2.88 ft at 10:15PM Sep 27, 2022Observed: 2.87 ft at 10:30PM Sep 27, 2022Observed: 2.88 ft at 10:45PM Sep 27, 2022Observed: 2.88 ft at 11:00PM Sep 27, 2022Observed: 2.88 ft at 11:15PM Sep 27, 2022Observed: 2.88 ft at 11:30PM Sep 27, 2022Observed: 2.88 ft at 11:45PM Sep 27, 2022Observed: 2.88 ft at 12:00AM Sep 28, 2022Observed: 2.88 ft at 12:15AM Sep 28, 2022Observed: 2.88 ft at 12:30AM Sep 28, 2022Observed: 2.88 ft at 12:45AM Sep 28, 2022Observed: 2.88 ft at 1:00AM Sep 28, 2022Observed: 2.88 ft at 1:15AM Sep 28, 2022Observed: 2.88 ft at 1:30AM Sep 28, 2022Observed: 2.88 ft at 1:45AM Sep 28, 2022Observed: 2.88 ft at 2:00AM Sep 28, 2022Observed: 2.88 ft at 2:15AM Sep 28, 2022Observed: 2.88 ft at 2:30AM Sep 28, 2022Observed: 2.88 ft at 2:45AM Sep 28, 2022Observed: 2.88 ft at 3:00AM Sep 28, 2022Observed: 2.88 ft at 3:15AM Sep 28, 2022Observed: 2.88 ft at 3:30AM Sep 28, 2022Observed: 2.88 ft at 3:45AM Sep 28, 2022Observed: 2.88 ft at 4:00AM Sep 28, 2022Observed: 2.88 ft at 4:15AM Sep 28, 2022Observed: 2.88 ft at 4:30AM Sep 28, 2022Observed: 2.88 ft at 4:45AM Sep 28, 2022Observed: 2.88 ft at 5:00AM Sep 28, 2022Observed: 2.89 ft at 5:15AM Sep 28, 2022Observed: 2.89 ft at 5:30AM Sep 28, 2022Observed: 2.88 ft at 5:45AM Sep 28, 2022Observed: 2.89 ft at 6:00AM Sep 28, 2022Observed: 2.88 ft at 6:15AM Sep 28, 2022Observed: 2.89 ft at 6:30AM Sep 28, 2022Observed: 2.89 ft at 6:45AM Sep 28, 2022Observed: 2.89 ft at 7:00AM Sep 28, 2022Observed: 2.89 ft at 7:15AM Sep 28, 2022Observed: 2.89 ft at 7:30AM Sep 28, 2022Observed: 2.89 ft at 7:45AM Sep 28, 2022Observed: 2.89 ft at 8:00AM Sep 28, 2022Observed: 2.89 ft at 8:15AM Sep 28, 2022Observed: 2.89 ft at 8:30AM Sep 28, 2022Observed: 2.89 ft at 8:45AM Sep 28, 2022Observed: 2.89 ft at 9:00AM Sep 28, 2022Observed: 2.89 ft at 9:15AM Sep 28, 2022Observed: 2.89 ft at 9:30AM Sep 28, 2022Observed: 2.89 ft at 9:45AM Sep 28, 2022Observed: 2.89 ft at 10:00AM Sep 28, 2022Observed: 2.89 ft at 10:15AM Sep 28, 2022Observed: 2.89 ft at 10:30AM Sep 28, 2022Observed: 2.89 ft at 10:45AM Sep 28, 2022Observed: 2.89 ft at 11:00AM Sep 28, 2022Observed: 2.89 ft at 11:15AM Sep 28, 2022Observed: 2.89 ft at 11:30AM Sep 28, 2022Observed: 2.89 ft at 11:45AM Sep 28, 2022Observed: 2.89 ft at 12:00PM Sep 28, 2022Observed: 2.89 ft at 12:15PM Sep 28, 2022Observed: 2.89 ft at 12:30PM Sep 28, 2022Observed: 2.89 ft at 12:45PM Sep 28, 2022Observed: 2.89 ft at 1:00PM Sep 28, 2022Observed: 2.89 ft at 1:15PM Sep 28, 2022Observed: 2.89 ft at 1:30PM Sep 28, 2022Observed: 2.89 ft at 1:45PM Sep 28, 2022Observed: 2.88 ft at 2:00PM Sep 28, 2022Observed: 2.88 ft at 2:15PM Sep 28, 2022Observed: 2.88 ft at 2:30PM Sep 28, 2022Observed: 2.88 ft at 2:45PM Sep 28, 2022Observed: 2.88 ft at 3:00PM Sep 28, 2022Observed: 2.88 ft at 3:15PM Sep 28, 2022Observed: 2.88 ft at 3:30PM Sep 28, 2022Observed: 2.88 ft at 3:45PM Sep 28, 2022Observed: 2.88 ft at 4:00PM Sep 28, 2022Observed: 2.88 ft at 4:15PM Sep 28, 2022Observed: 2.88 ft at 4:30PM Sep 28, 2022Observed: 2.88 ft at 4:45PM Sep 28, 2022Observed: 2.88 ft at 5:00PM Sep 28, 2022Observed: 2.88 ft at 5:15PM Sep 28, 2022Observed: 2.88 ft at 5:30PM Sep 28, 2022Observed: 2.88 ft at 5:45PM Sep 28, 2022Observed: 2.88 ft at 6:00PM Sep 28, 2022Observed: 2.88 ft at 6:15PM Sep 28, 2022Observed: 2.88 ft at 6:30PM Sep 28, 2022Observed: 2.88 ft at 6:45PM Sep 28, 2022Observed: 2.88 ft at 7:00PM Sep 28, 2022Observed: 2.88 ft at 7:15PM Sep 28, 2022Observed: 2.88 ft at 7:30PM Sep 28, 2022Observed: 2.88 ft at 7:45PM Sep 28, 2022Observed: 2.88 ft at 8:00PM Sep 28, 2022Observed: 2.88 ft at 8:15PM Sep 28, 2022Observed: 2.88 ft at 8:30PM Sep 28, 2022Observed: 2.88 ft at 8:45PM Sep 28, 2022Observed: 2.88 ft at 9:00PM Sep 28, 2022Observed: 2.88 ft at 9:15PM Sep 28, 2022Observed: 2.88 ft at 9:30PM Sep 28, 2022Observed: 2.87 ft at 9:45PM Sep 28, 2022Observed: 2.87 ft at 10:00PM Sep 28, 2022Observed: 2.87 ft at 10:15PM Sep 28, 2022Observed: 2.87 ft at 10:30PM Sep 28, 2022Observed: 2.87 ft at 10:45PM Sep 28, 2022Observed: 2.87 ft at 11:00PM Sep 28, 2022Observed: 2.87 ft at 11:15PM Sep 28, 2022Observed: 2.88 ft at 11:30PM Sep 28, 2022Observed: 2.87 ft at 11:45PM Sep 28, 2022Observed: 2.87 ft at 12:00AM Sep 29, 2022Observed: 2.88 ft at 12:15AM Sep 29, 2022Observed: 2.88 ft at 12:30AM Sep 29, 2022Observed: 2.88 ft at 12:45AM Sep 29, 2022Observed: 2.88 ft at 1:00AM Sep 29, 2022Observed: 2.88 ft at 1:15AM Sep 29, 2022Observed: 2.88 ft at 1:30AM Sep 29, 2022Observed: 2.88 ft at 1:45AM Sep 29, 2022Observed: 2.88 ft at 2:00AM Sep 29, 2022Observed: 2.88 ft at 2:15AM Sep 29, 2022Observed: 2.88 ft at 2:30AM Sep 29, 2022Observed: 2.89 ft at 2:45AM Sep 29, 2022Observed: 2.89 ft at 3:00AM Sep 29, 2022Observed: 2.89 ft at 3:15AM Sep 29, 2022Observed: 2.89 ft at 3:30AM Sep 29, 2022Observed: 2.89 ft at 3:45AM Sep 29, 2022Observed: 2.89 ft at 4:00AM Sep 29, 2022Observed: 2.89 ft at 4:15AM Sep 29, 2022Observed: 2.89 ft at 4:30AM Sep 29, 2022Observed: 2.89 ft at 4:45AM Sep 29, 2022Observed: 2.89 ft at 5:00AM Sep 29, 2022Observed: 2.89 ft at 5:15AM Sep 29, 2022Observed: 2.89 ft at 5:30AM Sep 29, 2022Observed: 2.89 ft at 5:45AM Sep 29, 2022Observed: 2.89 ft at 6:00AM Sep 29, 2022Observed: 2.89 ft at 6:15AM Sep 29, 2022Observed: 2.89 ft at 6:30AM Sep 29, 2022Observed: 2.89 ft at 6:45AM Sep 29, 2022Observed: 2.89 ft at 7:00AM Sep 29, 2022Observed: 2.89 ft at 7:15AM Sep 29, 2022Observed: 2.89 ft at 7:30AM Sep 29, 2022Observed: 2.89 ft at 7:45AM Sep 29, 2022Observed: 2.9 ft at 8:00AM Sep 29, 2022Observed: 2.9 ft at 8:15AM Sep 29, 2022Observed: 2.89 ft at 8:30AM Sep 29, 2022Highest Forecast: 2.9 ft 10:00AM Sep 29, 2022Highest Forecast: 2.9 ft 11:00AM Sep 29, 2022Highest Forecast: 2.9 ft 12:00PM Sep 29, 2022Highest Forecast: 2.9 ft 1:00PM Sep 29, 2022Highest Forecast: 2.9 ft 2:00PM Sep 29, 2022Highest Forecast: 2.9 ft 3:00PM Sep 29, 2022Highest Forecast: 2.9 ft 4:00PM Sep 29, 2022Highest Forecast: 2.9 ft 5:00PM Sep 29, 2022Highest Forecast: 2.9 ft 6:00PM Sep 29, 2022Highest Forecast: 2.9 ft 7:00PM Sep 29, 2022Highest Forecast: 2.9 ft 8:00PM Sep 29, 2022Highest Forecast: 2.9 ft 9:00PM Sep 29, 2022Highest Forecast: 2.9 ft 10:00PM Sep 29, 2022Highest Forecast: 2.9 ft 11:00PM Sep 29, 2022Highest Forecast: 2.9 ft 12:00AM Sep 30, 2022Highest Forecast: 2.9 ft 1:00AM Sep 30, 2022Highest Forecast: 2.9 ft 2:00AM Sep 30, 2022Highest Forecast: 2.9 ft 3:00AM Sep 30, 2022Highest Forecast: 2.9 ft 4:00AM Sep 30, 2022Highest Forecast: 2.9 ft 5:00AM Sep 30, 2022Highest Forecast: 2.9 ft 6:00AM Sep 30, 2022Highest Forecast: 2.9 ft 7:00AM Sep 30, 2022Highest Forecast: 2.9 ft 8:00AM Sep 30, 2022Highest Forecast: 2.9 ft 9:00AM Sep 30, 2022Highest Forecast: 2.9 ft 10:00AM Sep 30, 2022Highest Forecast: 2.9 ft 11:00AM Sep 30, 2022Highest Forecast: 2.9 ft 12:00PM Sep 30, 2022Highest Forecast: 2.9 ft 1:00PM Sep 30, 2022Highest Forecast: 2.9 ft 2:00PM Sep 30, 2022Highest Forecast: 2.9 ft 3:00PM Sep 30, 2022Highest Forecast: 2.9 ft 4:00PM Sep 30, 2022Highest Forecast: 2.9 ft 5:00PM Sep 30, 2022Highest Forecast: 2.9 ft 6:00PM Sep 30, 2022Highest Forecast: 2.9 ft 7:00PM Sep 30, 2022Highest Forecast: 2.9 ft 8:00PM Sep 30, 2022Highest Forecast: 2.9 ft 9:00PM Sep 30, 2022Highest Forecast: 2.9 ft 10:00PM Sep 30, 2022Highest Forecast: 2.9 ft 11:00PM Sep 30, 2022Highest Forecast: 2.9 ft 12:00AM Oct 01, 2022Highest Forecast: 2.9 ft 1:00AM Oct 01, 2022Highest Forecast: 2.9 ft 2:00AM Oct 01, 2022Highest Forecast: 2.9 ft 3:00AM Oct 01, 2022Highest Forecast: 2.9 ft 4:00AM Oct 01, 2022Highest Forecast: 2.9 ft 5:00AM Oct 01, 2022Highest Forecast: 2.9 ft 6:00AM Oct 01, 2022Highest Forecast: 2.9 ft 7:00AM Oct 01, 2022Highest Forecast: 2.9 ft 8:00AM Oct 01, 2022Highest Forecast: 2.9 ft 9:00AM Oct 01, 2022Highest Forecast: 2.9 ft 10:00AM Oct 01, 2022Highest Forecast: 2.9 ft 11:00AM Oct 01, 2022Highest Forecast: 2.9 ft 12:00PM Oct 01, 2022Highest Forecast: 2.9 ft 1:00PM Oct 01, 2022Highest Forecast: 2.9 ft 2:00PM Oct 01, 2022Highest Forecast: 2.9 ft 3:00PM Oct 01, 2022Highest Forecast: 2.9 ft 4:00PM Oct 01, 2022Highest Forecast: 2.9 ft 5:00PM Oct 01, 2022Highest Forecast: 2.9 ft 6:00PM Oct 01, 2022Highest Forecast: 2.9 ft 7:00PM Oct 01, 2022Highest Forecast: 2.9 ft 8:00PM Oct 01, 2022Highest Forecast: 2.9 ft 9:00PM Oct 01, 2022Highest Forecast: 2.9 ft 10:00PM Oct 01, 2022Highest Forecast: 2.9 ft 11:00PM Oct 01, 2022Highest Forecast: 2.9 ft 12:00AM Oct 02, 2022Highest Forecast: 2.9 ft 1:00AM Oct 02, 2022Highest Forecast: 2.9 ft 2:00AM Oct 02, 2022Highest Forecast: 2.9 ft 3:00AM Oct 02, 2022Highest Forecast: 2.9 ft 4:00AM Oct 02, 2022Highest Forecast: 2.9 ft 5:00AM Oct 02, 2022Highest Forecast: 2.9 ft 6:00AM Oct 02, 2022Highest Forecast: 2.9 ft 7:00AM Oct 02, 2022Highest Forecast: 2.9 ft 8:00AM Oct 02, 2022Highest Forecast: 2.9 ft 9:00AM Oct 02, 2022Highest Forecast: 2.9 ft 10:00AM Oct 02, 2022Highest Forecast: 2.9 ft 11:00AM Oct 02, 2022Highest Forecast: 2.9 ft 12:00PM Oct 02, 2022Highest Forecast: 2.9 ft 1:00PM Oct 02, 2022Highest Forecast: 2.9 ft 2:00PM Oct 02, 2022Highest Forecast: 2.9 ft 3:00PM Oct 02, 2022Highest Forecast: 2.9 ft 4:00PM Oct 02, 2022Highest Forecast: 2.9 ft 5:00PM Oct 02, 2022Highest Forecast: 2.9 ft 6:00PM Oct 02, 2022Highest Forecast: 2.9 ft 7:00PM Oct 02, 2022Highest Forecast: 2.9 ft 8:00PM Oct 02, 2022Highest Forecast: 2.9 ft 9:00PM Oct 02, 2022Highest Forecast: 2.9 ft 10:00PM Oct 02, 2022Highest Forecast: 2.9 ft 11:00PM Oct 02, 2022Highest Forecast: 2.9 ft 12:00AM Oct 03, 2022Highest Forecast: 2.9 ft 1:00AM Oct 03, 2022Highest Forecast: 2.9 ft 2:00AM Oct 03, 2022Highest Forecast: 2.9 ft 3:00AM Oct 03, 2022Highest Forecast: 2.9 ft 4:00AM Oct 03, 2022Highest Forecast: 2.9 ft 5:00AM Oct 03, 2022Highest Forecast: 2.9 ft 6:00AM Oct 03, 2022Highest Forecast: 2.9 ft 7:00AM Oct 03, 2022Highest Forecast: 2.9 ft 8:00AM Oct 03, 2022Highest Forecast: 2.9 ft 9:00AM Oct 03, 2022Highest Forecast: 2.9 ft 10:00AM Oct 03, 2022Highest Forecast: 2.9 ft 11:00AM Oct 03, 2022Highest Forecast: 2.9 ft 12:00PM Oct 03, 2022Highest Forecast: 2.9 ft 1:00PM Oct 03, 2022Highest Forecast: 2.9 ft 2:00PM Oct 03, 2022Highest Forecast: 2.9 ft 3:00PM Oct 03, 2022Highest Forecast: 2.9 ft 4:00PM Oct 03, 2022Highest Forecast: 2.9 ft 5:00PM Oct 03, 2022Highest Forecast: 2.9 ft 6:00PM Oct 03, 2022Highest Forecast: 2.9 ft 7:00PM Oct 03, 2022Highest Forecast: 2.9 ft 8:00PM Oct 03, 2022Highest Forecast: 2.9 ft 9:00PM Oct 03, 2022Highest Forecast: 2.9 ft 10:00PM Oct 03, 2022Highest Forecast: 2.9 ft 11:00PM Oct 03, 2022Highest Forecast: 2.9 ft 12:00AM Oct 04, 2022Highest Forecast: 2.9 ft 1:00AM Oct 04, 2022Highest Forecast: 2.9 ft 2:00AM Oct 04, 2022Highest Forecast: 2.9 ft 3:00AM Oct 04, 2022Highest Forecast: 2.9 ft 4:00AM Oct 04, 2022Highest Forecast: 2.9 ft 5:00AM Oct 04, 2022USGS--Water Resources of the United StatesBTEC1(plotting HGIRG) Graph Created (9:30AM Sep 29, 2022)ObservedForecast (issued 7:22AM Sep 29)Latest observed value: 2.89 ft at 8:30 AM PDT 29-Sep-2022. Flood Stage is 16.5 ft
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About this graph
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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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.
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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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