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Hydrograph River at a Glance Download
San Lorenzo River (CA) at Big Trees Stage (ft)Flow (kcfs)Highest Observation: 3.77 ft at 7:45AM Apr 19, 2018Highest Observation: 3.77 ft at 8:00AM Apr 19, 2018Highest Observation: 3.77 ft at 8:15AM Apr 19, 2018Highest Observation: 3.77 ft at 8:30AM Apr 19, 2018Highest Observation: 3.77 ft at 8:45AM Apr 19, 2018Highest Observation: 3.77 ft at 9:00AM Apr 19, 2018Highest Observation: 3.77 ft at 9:15AM Apr 19, 2018Highest Observation: 3.77 ft at 9:30AM Apr 19, 2018Highest Observation: 3.77 ft at 9:45AM Apr 19, 2018Highest Observation: 3.77 ft at 10:00AM Apr 19, 2018Highest Observation: 3.77 ft at 10:15AM Apr 19, 2018Highest Observation: 3.77 ft at 10:30AM Apr 19, 2018Highest Observation: 3.77 ft at 10:45AM Apr 19, 2018Highest Observation: 3.77 ft at 11:00AM Apr 19, 2018Highest Observation: 3.77 ft at 11:15AM Apr 19, 2018Highest Observation: 3.77 ft at 11:30AM Apr 19, 2018Observed: 3.76 ft at 11:45AM Apr 19, 2018Observed: 3.76 ft at 12:00PM Apr 19, 2018Observed: 3.76 ft at 12:15PM Apr 19, 2018Observed: 3.76 ft at 12:30PM Apr 19, 2018Observed: 3.76 ft at 12:45PM Apr 19, 2018Observed: 3.76 ft at 1:00PM Apr 19, 2018Observed: 3.76 ft at 1:15PM Apr 19, 2018Observed: 3.76 ft at 1:30PM Apr 19, 2018Observed: 3.76 ft at 1:45PM Apr 19, 2018Observed: 3.76 ft at 2:00PM Apr 19, 2018Observed: 3.76 ft at 2:15PM Apr 19, 2018Observed: 3.75 ft at 2:30PM Apr 19, 2018Observed: 3.75 ft at 2:45PM Apr 19, 2018Observed: 3.76 ft at 3:00PM Apr 19, 2018Observed: 3.75 ft at 3:15PM Apr 19, 2018Observed: 3.76 ft at 3:30PM Apr 19, 2018Observed: 3.75 ft at 3:45PM Apr 19, 2018Observed: 3.75 ft at 4:00PM Apr 19, 2018Observed: 3.75 ft at 4:15PM Apr 19, 2018Observed: 3.75 ft at 4:30PM Apr 19, 2018Observed: 3.75 ft at 4:45PM Apr 19, 2018Observed: 3.75 ft at 5:00PM Apr 19, 2018Observed: 3.75 ft at 5:15PM Apr 19, 2018Observed: 3.75 ft at 5:30PM Apr 19, 2018Observed: 3.75 ft at 5:45PM Apr 19, 2018Observed: 3.75 ft at 6:00PM Apr 19, 2018Observed: 3.75 ft at 6:15PM Apr 19, 2018Observed: 3.75 ft at 6:30PM Apr 19, 2018Observed: 3.75 ft at 6:45PM Apr 19, 2018Observed: 3.75 ft at 7:00PM Apr 19, 2018Observed: 3.75 ft at 7:15PM Apr 19, 2018Observed: 3.75 ft at 7:30PM Apr 19, 2018Observed: 3.75 ft at 7:45PM Apr 19, 2018Observed: 3.76 ft at 8:00PM Apr 19, 2018Observed: 3.75 ft at 8:15PM Apr 19, 2018Observed: 3.76 ft at 8:30PM Apr 19, 2018Observed: 3.75 ft at 8:45PM Apr 19, 2018Observed: 3.75 ft at 9:00PM Apr 19, 2018Observed: 3.75 ft at 9:15PM Apr 19, 2018Observed: 3.74 ft at 9:30PM Apr 19, 2018Observed: 3.75 ft at 9:45PM Apr 19, 2018Observed: 3.75 ft at 10:00PM Apr 19, 2018Observed: 3.75 ft at 10:15PM Apr 19, 2018Observed: 3.74 ft at 10:30PM Apr 19, 2018Observed: 3.75 ft at 10:45PM Apr 19, 2018Observed: 3.74 ft at 11:00PM Apr 19, 2018Observed: 3.74 ft at 11:15PM Apr 19, 2018Observed: 3.74 ft at 11:30PM Apr 19, 2018Observed: 3.74 ft at 11:45PM Apr 19, 2018Observed: 3.74 ft at 12:00AM Apr 20, 2018Observed: 3.74 ft at 12:15AM Apr 20, 2018Observed: 3.74 ft at 12:30AM Apr 20, 2018Observed: 3.74 ft at 12:45AM Apr 20, 2018Observed: 3.74 ft at 1:00AM Apr 20, 2018Observed: 3.74 ft at 1:15AM Apr 20, 2018Observed: 3.74 ft at 1:30AM Apr 20, 2018Observed: 3.74 ft at 1:45AM Apr 20, 2018Observed: 3.73 ft at 2:00AM Apr 20, 2018Observed: 3.74 ft at 2:15AM Apr 20, 2018Observed: 3.73 ft at 2:30AM Apr 20, 2018Observed: 3.73 ft at 2:45AM Apr 20, 2018Observed: 3.73 ft at 3:00AM Apr 20, 2018Observed: 3.73 ft at 3:15AM Apr 20, 2018Observed: 3.73 ft at 3:30AM Apr 20, 2018Observed: 3.73 ft at 3:45AM Apr 20, 2018Observed: 3.73 ft at 4:00AM Apr 20, 2018Observed: 3.73 ft at 4:15AM Apr 20, 2018Observed: 3.73 ft at 4:30AM Apr 20, 2018Observed: 3.72 ft at 4:45AM Apr 20, 2018Observed: 3.73 ft at 5:00AM Apr 20, 2018Observed: 3.72 ft at 5:15AM Apr 20, 2018Observed: 3.72 ft at 5:30AM Apr 20, 2018Observed: 3.72 ft at 5:45AM Apr 20, 2018Observed: 3.73 ft at 6:00AM Apr 20, 2018Observed: 3.72 ft at 6:15AM Apr 20, 2018Observed: 3.72 ft at 6:30AM Apr 20, 2018Observed: 3.72 ft at 6:45AM Apr 20, 2018Observed: 3.72 ft at 7:00AM Apr 20, 2018Observed: 3.72 ft at 7:15AM Apr 20, 2018Observed: 3.72 ft at 7:30AM Apr 20, 2018Observed: 3.72 ft at 7:45AM Apr 20, 2018Observed: 3.72 ft at 8:00AM Apr 20, 2018Observed: 3.72 ft at 8:15AM Apr 20, 2018Observed: 3.72 ft at 8:30AM Apr 20, 2018Observed: 3.72 ft at 8:45AM Apr 20, 2018Observed: 3.72 ft at 9:00AM Apr 20, 2018Observed: 3.72 ft at 9:15AM Apr 20, 2018Observed: 3.72 ft at 9:30AM Apr 20, 2018Observed: 3.72 ft at 9:45AM Apr 20, 2018Observed: 3.72 ft at 10:00AM Apr 20, 2018Observed: 3.72 ft at 10:15AM Apr 20, 2018Observed: 3.72 ft at 10:30AM Apr 20, 2018Observed: 3.72 ft at 10:45AM Apr 20, 2018Observed: 3.71 ft at 11:00AM Apr 20, 2018Observed: 3.72 ft at 11:15AM Apr 20, 2018Observed: 3.71 ft at 11:30AM Apr 20, 2018Observed: 3.72 ft at 11:45AM Apr 20, 2018Observed: 3.72 ft at 12:00PM Apr 20, 2018Observed: 3.72 ft at 12:15PM Apr 20, 2018Observed: 3.71 ft at 12:30PM Apr 20, 2018Observed: 3.72 ft at 12:45PM Apr 20, 2018Observed: 3.72 ft at 1:00PM Apr 20, 2018Observed: 3.72 ft at 1:15PM Apr 20, 2018Observed: 3.72 ft at 1:30PM Apr 20, 2018Observed: 3.72 ft at 1:45PM Apr 20, 2018Observed: 3.72 ft at 2:00PM Apr 20, 2018Observed: 3.71 ft at 2:15PM Apr 20, 2018Observed: 3.72 ft at 2:30PM Apr 20, 2018Observed: 3.72 ft at 2:45PM Apr 20, 2018Observed: 3.71 ft at 3:00PM Apr 20, 2018Observed: 3.72 ft at 3:15PM Apr 20, 2018Observed: 3.71 ft at 3:30PM Apr 20, 2018Observed: 3.71 ft at 3:45PM Apr 20, 2018Observed: 3.71 ft at 4:00PM Apr 20, 2018Observed: 3.71 ft at 4:15PM Apr 20, 2018Observed: 3.71 ft at 4:30PM Apr 20, 2018Observed: 3.71 ft at 4:45PM Apr 20, 2018Observed: 3.71 ft at 5:00PM Apr 20, 2018Observed: 3.71 ft at 5:15PM Apr 20, 2018Observed: 3.71 ft at 5:30PM Apr 20, 2018Observed: 3.71 ft at 5:45PM Apr 20, 2018Observed: 3.71 ft at 6:00PM Apr 20, 2018Observed: 3.71 ft at 6:15PM Apr 20, 2018Observed: 3.71 ft at 6:30PM Apr 20, 2018Observed: 3.71 ft at 6:45PM Apr 20, 2018Observed: 3.71 ft at 7:00PM Apr 20, 2018Observed: 3.71 ft at 7:15PM Apr 20, 2018Observed: 3.71 ft at 7:30PM Apr 20, 2018Observed: 3.7 ft at 7:45PM Apr 20, 2018Observed: 3.71 ft at 8:00PM Apr 20, 2018Observed: 3.71 ft at 8:15PM Apr 20, 2018Observed: 3.7 ft at 8:30PM Apr 20, 2018Observed: 3.7 ft at 8:45PM Apr 20, 2018Observed: 3.7 ft at 9:00PM Apr 20, 2018Observed: 3.7 ft at 9:15PM Apr 20, 2018Observed: 3.7 ft at 9:30PM Apr 20, 2018Observed: 3.7 ft at 9:45PM Apr 20, 2018Observed: 3.7 ft at 10:00PM Apr 20, 2018Observed: 3.7 ft at 10:15PM Apr 20, 2018Observed: 3.71 ft at 10:30PM Apr 20, 2018Observed: 3.71 ft at 10:45PM Apr 20, 2018Observed: 3.7 ft at 11:00PM Apr 20, 2018Observed: 3.7 ft at 11:15PM Apr 20, 2018Observed: 3.7 ft at 11:30PM Apr 20, 2018Observed: 3.7 ft at 11:45PM Apr 20, 2018Observed: 3.71 ft at 12:00AM Apr 21, 2018Observed: 3.7 ft at 12:15AM Apr 21, 2018Observed: 3.7 ft at 12:30AM Apr 21, 2018Observed: 3.7 ft at 12:45AM Apr 21, 2018Observed: 3.7 ft at 1:00AM Apr 21, 2018Observed: 3.7 ft at 1:15AM Apr 21, 2018Observed: 3.7 ft at 1:30AM Apr 21, 2018Observed: 3.7 ft at 1:45AM Apr 21, 2018Observed: 3.7 ft at 2:00AM Apr 21, 2018Observed: 3.7 ft at 2:15AM Apr 21, 2018Observed: 3.69 ft at 2:30AM Apr 21, 2018Observed: 3.69 ft at 2:45AM Apr 21, 2018Observed: 3.69 ft at 3:00AM Apr 21, 2018Observed: 3.69 ft at 3:15AM Apr 21, 2018Observed: 3.69 ft at 3:30AM Apr 21, 2018Observed: 3.69 ft at 3:45AM Apr 21, 2018Observed: 3.69 ft at 4:00AM Apr 21, 2018Observed: 3.69 ft at 4:15AM Apr 21, 2018Observed: 3.69 ft at 4:30AM Apr 21, 2018Observed: 3.69 ft at 4:45AM Apr 21, 2018Observed: 3.69 ft at 5:00AM Apr 21, 2018Observed: 3.69 ft at 5:15AM Apr 21, 2018Observed: 3.69 ft at 5:30AM Apr 21, 2018Observed: 3.69 ft at 5:45AM Apr 21, 2018Observed: 3.69 ft at 6:00AM Apr 21, 2018Observed: 3.69 ft at 6:15AM Apr 21, 2018Observed: 3.68 ft at 6:30AM Apr 21, 2018Observed: 3.69 ft at 6:45AM Apr 21, 2018Observed: 3.69 ft at 7:00AM Apr 21, 2018Observed: 3.69 ft at 7:15AM Apr 21, 2018Observed: 3.69 ft at 7:30AM Apr 21, 2018Observed: 3.69 ft at 7:45AM Apr 21, 2018Observed: 3.69 ft at 8:00AM Apr 21, 2018Observed: 3.69 ft at 8:15AM Apr 21, 2018Observed: 3.69 ft at 8:30AM Apr 21, 2018Observed: 3.69 ft at 8:45AM Apr 21, 2018Observed: 3.69 ft at 9:00AM Apr 21, 2018Observed: 3.69 ft at 9:15AM Apr 21, 2018Observed: 3.69 ft at 9:30AM Apr 21, 2018Observed: 3.69 ft at 9:45AM Apr 21, 2018Observed: 3.69 ft at 10:00AM Apr 21, 2018Observed: 3.69 ft at 10:15AM Apr 21, 2018Observed: 3.69 ft at 10:30AM Apr 21, 2018Observed: 3.69 ft at 10:45AM Apr 21, 2018Observed: 3.69 ft at 11:00AM Apr 21, 2018Observed: 3.69 ft at 11:15AM Apr 21, 2018Observed: 3.69 ft at 11:30AM Apr 21, 2018Observed: 3.69 ft at 11:45AM Apr 21, 2018Observed: 3.69 ft at 12:00PM Apr 21, 2018Observed: 3.69 ft at 12:15PM Apr 21, 2018Observed: 3.69 ft at 12:30PM Apr 21, 2018Observed: 3.69 ft at 12:45PM Apr 21, 2018Observed: 3.69 ft at 1:00PM Apr 21, 2018Observed: 3.68 ft at 1:15PM Apr 21, 2018Observed: 3.68 ft at 1:30PM Apr 21, 2018Observed: 3.68 ft at 1:45PM Apr 21, 2018Observed: 3.68 ft at 2:00PM Apr 21, 2018Observed: 3.69 ft at 2:15PM Apr 21, 2018Observed: 3.68 ft at 2:30PM Apr 21, 2018Observed: 3.68 ft at 2:45PM Apr 21, 2018Observed: 3.67 ft at 3:00PM Apr 21, 2018Observed: 3.68 ft at 3:15PM Apr 21, 2018Observed: 3.68 ft at 3:30PM Apr 21, 2018Observed: 3.68 ft at 3:45PM Apr 21, 2018Observed: 3.67 ft at 4:00PM Apr 21, 2018Observed: 3.67 ft at 4:15PM Apr 21, 2018Observed: 3.67 ft at 4:30PM Apr 21, 2018Observed: 3.68 ft at 4:45PM Apr 21, 2018Observed: 3.67 ft at 5:00PM Apr 21, 2018Observed: 3.67 ft at 5:15PM Apr 21, 2018Observed: 3.68 ft at 5:30PM Apr 21, 2018Observed: 3.68 ft at 5:45PM Apr 21, 2018Observed: 3.67 ft at 6:00PM Apr 21, 2018Observed: 3.68 ft at 6:15PM Apr 21, 2018Observed: 3.67 ft at 6:30PM Apr 21, 2018Observed: 3.67 ft at 6:45PM Apr 21, 2018Observed: 3.67 ft at 7:00PM Apr 21, 2018Observed: 3.67 ft at 7:15PM Apr 21, 2018Observed: 3.67 ft at 7:30PM Apr 21, 2018Observed: 3.67 ft at 7:45PM Apr 21, 2018Observed: 3.67 ft at 8:00PM Apr 21, 2018Observed: 3.67 ft at 8:15PM Apr 21, 2018Observed: 3.67 ft at 8:30PM Apr 21, 2018Observed: 3.67 ft at 8:45PM Apr 21, 2018Observed: 3.67 ft at 9:00PM Apr 21, 2018Observed: 3.67 ft at 9:15PM Apr 21, 2018Observed: 3.68 ft at 9:30PM Apr 21, 2018Observed: 3.67 ft at 9:45PM Apr 21, 2018Observed: 3.67 ft at 10:00PM Apr 21, 2018Observed: 3.67 ft at 10:15PM Apr 21, 2018Observed: 3.68 ft at 10:30PM Apr 21, 2018Observed: 3.67 ft at 10:45PM Apr 21, 2018Observed: 3.67 ft at 11:00PM Apr 21, 2018Observed: 3.67 ft at 11:15PM Apr 21, 2018Observed: 3.67 ft at 11:30PM Apr 21, 2018Observed: 3.67 ft at 11:45PM Apr 21, 2018Observed: 3.67 ft at 12:00AM Apr 22, 2018Observed: 3.67 ft at 12:15AM Apr 22, 2018Observed: 3.67 ft at 12:30AM Apr 22, 2018Observed: 3.67 ft at 12:45AM Apr 22, 2018Observed: 3.67 ft at 1:00AM Apr 22, 2018Observed: 3.67 ft at 1:15AM Apr 22, 2018Observed: 3.67 ft at 1:30AM Apr 22, 2018Observed: 3.67 ft at 1:45AM Apr 22, 2018Observed: 3.67 ft at 2:00AM Apr 22, 2018Observed: 3.67 ft at 2:15AM Apr 22, 2018Observed: 3.67 ft at 2:30AM Apr 22, 2018Observed: 3.67 ft at 2:45AM Apr 22, 2018Observed: 3.67 ft at 3:00AM Apr 22, 2018Observed: 3.67 ft at 3:15AM Apr 22, 2018Observed: 3.67 ft at 3:30AM Apr 22, 2018Observed: 3.67 ft at 3:45AM Apr 22, 2018Observed: 3.67 ft at 4:00AM Apr 22, 2018Observed: 3.67 ft at 4:15AM Apr 22, 2018Observed: 3.67 ft at 4:30AM Apr 22, 2018Observed: 3.67 ft at 4:45AM Apr 22, 2018Observed: 3.67 ft at 5:00AM Apr 22, 2018Observed: 3.67 ft at 5:15AM Apr 22, 2018Observed: 3.66 ft at 5:30AM Apr 22, 2018Observed: 3.67 ft at 5:45AM Apr 22, 2018Observed: 3.67 ft at 6:00AM Apr 22, 2018Observed: 3.66 ft at 6:15AM Apr 22, 2018Observed: 3.67 ft at 6:30AM Apr 22, 2018Observed: 3.66 ft at 6:45AM Apr 22, 2018Observed: 3.67 ft at 7:00AM Apr 22, 2018Observed: 3.66 ft at 7:15AM Apr 22, 2018Observed: 3.66 ft at 7:30AM Apr 22, 2018Observed: 3.66 ft at 7:45AM Apr 22, 2018Observed: 3.66 ft at 8:00AM Apr 22, 2018Observed: 3.66 ft at 8:15AM Apr 22, 2018Observed: 3.67 ft at 8:30AM Apr 22, 2018Observed: 3.66 ft at 8:45AM Apr 22, 2018Observed: 3.67 ft at 9:00AM Apr 22, 2018Observed: 3.66 ft at 9:15AM Apr 22, 2018Observed: 3.66 ft at 9:30AM Apr 22, 2018Observed: 3.67 ft at 9:45AM Apr 22, 2018Observed: 3.66 ft at 10:00AM Apr 22, 2018Observed: 3.66 ft at 10:15AM Apr 22, 2018Observed: 3.66 ft at 10:30AM Apr 22, 2018Observed: 3.66 ft at 10:45AM Apr 22, 2018Observed: 3.66 ft at 11:00AM Apr 22, 2018Observed: 3.66 ft at 11:15AM Apr 22, 2018Observed: 3.66 ft at 11:30AM Apr 22, 2018Observed: 3.66 ft at 11:45AM Apr 22, 2018Observed: 3.66 ft at 12:00PM Apr 22, 2018Observed: 3.66 ft at 12:15PM Apr 22, 2018Observed: 3.66 ft at 12:30PM Apr 22, 2018Observed: 3.66 ft at 12:45PM Apr 22, 2018Observed: 3.66 ft at 1:00PM Apr 22, 2018Observed: 3.66 ft at 1:15PM Apr 22, 2018Observed: 3.66 ft at 1:30PM Apr 22, 2018Observed: 3.66 ft at 1:45PM Apr 22, 2018Observed: 3.66 ft at 2:00PM Apr 22, 2018Observed: 3.65 ft at 2:15PM Apr 22, 2018Observed: 3.66 ft at 2:30PM Apr 22, 2018Observed: 3.65 ft at 2:45PM Apr 22, 2018Observed: 3.65 ft at 3:00PM Apr 22, 2018Observed: 3.65 ft at 3:15PM Apr 22, 2018Observed: 3.65 ft at 3:30PM Apr 22, 2018Observed: 3.65 ft at 3:45PM Apr 22, 2018Observed: 3.64 ft at 4:00PM Apr 22, 2018Observed: 3.65 ft at 4:15PM Apr 22, 2018Observed: 3.65 ft at 4:30PM Apr 22, 2018Observed: 3.64 ft at 4:45PM Apr 22, 2018Observed: 3.64 ft at 5:00PM Apr 22, 2018Observed: 3.65 ft at 5:15PM Apr 22, 2018Observed: 3.64 ft at 5:30PM Apr 22, 2018Observed: 3.65 ft at 5:45PM Apr 22, 2018Observed: 3.64 ft at 6:00PM Apr 22, 2018Observed: 3.64 ft at 6:15PM Apr 22, 2018Observed: 3.64 ft at 6:30PM Apr 22, 2018Observed: 3.64 ft at 6:45PM Apr 22, 2018Observed: 3.64 ft at 7:00PM Apr 22, 2018Observed: 3.64 ft at 7:15PM Apr 22, 2018Observed: 3.64 ft at 7:30PM Apr 22, 2018Observed: 3.63 ft at 7:45PM Apr 22, 2018Observed: 3.64 ft at 8:00PM Apr 22, 2018Observed: 3.64 ft at 8:15PM Apr 22, 2018Observed: 3.64 ft at 8:30PM Apr 22, 2018Observed: 3.64 ft at 8:45PM Apr 22, 2018Observed: 3.64 ft at 9:00PM Apr 22, 2018Observed: 3.64 ft at 9:15PM Apr 22, 2018Observed: 3.63 ft at 9:30PM Apr 22, 2018Observed: 3.64 ft at 9:45PM Apr 22, 2018Observed: 3.64 ft at 10:00PM Apr 22, 2018Observed: 3.64 ft at 10:15PM Apr 22, 2018Observed: 3.64 ft at 10:30PM Apr 22, 2018Observed: 3.64 ft at 10:45PM Apr 22, 2018Observed: 3.63 ft at 11:00PM Apr 22, 2018Observed: 3.64 ft at 11:15PM Apr 22, 2018Observed: 3.64 ft at 11:30PM Apr 22, 2018Observed: 3.64 ft at 11:45PM Apr 22, 2018Observed: 3.64 ft at 12:00AM Apr 23, 2018Observed: 3.63 ft at 12:15AM Apr 23, 2018Observed: 3.63 ft at 12:30AM Apr 23, 2018Observed: 3.64 ft at 12:45AM Apr 23, 2018Observed: 3.64 ft at 1:00AM Apr 23, 2018Observed: 3.64 ft at 1:15AM Apr 23, 2018Observed: 3.63 ft at 1:30AM Apr 23, 2018Observed: 3.63 ft at 1:45AM Apr 23, 2018Observed: 3.63 ft at 2:00AM Apr 23, 2018Observed: 3.64 ft at 2:15AM Apr 23, 2018Observed: 3.64 ft at 2:30AM Apr 23, 2018Observed: 3.64 ft at 2:45AM Apr 23, 2018Observed: 3.63 ft at 3:00AM Apr 23, 2018Observed: 3.64 ft at 3:15AM Apr 23, 2018Observed: 3.63 ft at 3:30AM Apr 23, 2018Observed: 3.63 ft at 3:45AM Apr 23, 2018Observed: 3.63 ft at 4:00AM Apr 23, 2018Observed: 3.63 ft at 4:15AM Apr 23, 2018Observed: 3.63 ft at 4:30AM Apr 23, 2018Observed: 3.63 ft at 4:45AM Apr 23, 2018Observed: 3.63 ft at 5:00AM Apr 23, 2018Observed: 3.63 ft at 5:15AM Apr 23, 2018Observed: 3.63 ft at 5:30AM Apr 23, 2018Observed: 3.63 ft at 5:45AM Apr 23, 2018Observed: 3.62 ft at 6:00AM Apr 23, 2018Observed: 3.63 ft at 6:15AM Apr 23, 2018Observed: 3.63 ft at 6:30AM Apr 23, 2018Observed: 3.63 ft at 6:45AM Apr 23, 2018Observed: 3.62 ft at 7:00AM Apr 23, 2018Observed: 3.63 ft at 7:15AM Apr 23, 2018Observed: 3.62 ft at 7:30AM Apr 23, 2018Observed: 3.62 ft at 7:45AM Apr 23, 2018Observed: 3.63 ft at 8:00AM Apr 23, 2018Observed: 3.62 ft at 8:15AM Apr 23, 2018Observed: 3.62 ft at 8:30AM Apr 23, 2018Observed: 3.62 ft at 8:45AM Apr 23, 2018Observed: 3.62 ft at 9:00AM Apr 23, 2018Observed: 3.62 ft at 9:15AM Apr 23, 2018Observed: 3.62 ft at 9:30AM Apr 23, 2018Observed: 3.62 ft at 9:45AM Apr 23, 2018Observed: 3.62 ft at 10:00AM Apr 23, 2018Observed: 3.62 ft at 10:15AM Apr 23, 2018Observed: 3.62 ft at 10:30AM Apr 23, 2018Observed: 3.63 ft at 10:45AM Apr 23, 2018Observed: 3.62 ft at 11:00AM Apr 23, 2018Observed: 3.63 ft at 11:15AM Apr 23, 2018Observed: 3.62 ft at 11:30AM Apr 23, 2018Observed: 3.62 ft at 11:45AM Apr 23, 2018Observed: 3.63 ft at 12:00PM Apr 23, 2018Observed: 3.62 ft at 12:15PM Apr 23, 2018Observed: 3.62 ft at 12:30PM Apr 23, 2018Observed: 3.62 ft at 12:45PM Apr 23, 2018Observed: 3.62 ft at 1:00PM Apr 23, 2018Observed: 3.62 ft at 1:15PM Apr 23, 2018Observed: 3.62 ft at 1:30PM Apr 23, 2018Observed: 3.62 ft at 1:45PM Apr 23, 2018Observed: 3.62 ft at 2:00PM Apr 23, 2018Observed: 3.61 ft at 2:15PM Apr 23, 2018Observed: 3.61 ft at 2:30PM Apr 23, 2018Observed: 3.61 ft at 2:45PM Apr 23, 2018Observed: 3.62 ft at 3:00PM Apr 23, 2018Observed: 3.61 ft at 3:15PM Apr 23, 2018Observed: 3.61 ft at 3:30PM Apr 23, 2018Observed: 3.61 ft at 3:45PM Apr 23, 2018Observed: 3.61 ft at 4:00PM Apr 23, 2018Observed: 3.61 ft at 4:15PM Apr 23, 2018Observed: 3.61 ft at 4:30PM Apr 23, 2018Observed: 3.61 ft at 4:45PM Apr 23, 2018Observed: 3.61 ft at 5:00PM Apr 23, 2018Observed: 3.61 ft at 5:15PM Apr 23, 2018Observed: 3.61 ft at 5:30PM Apr 23, 2018Observed: 3.61 ft at 5:45PM Apr 23, 2018Observed: 3.61 ft at 6:00PM Apr 23, 2018Observed: 3.61 ft at 6:15PM Apr 23, 2018Observed: 3.6 ft at 6:30PM Apr 23, 2018Observed: 3.61 ft at 6:45PM Apr 23, 2018Observed: 3.61 ft at 7:00PM Apr 23, 2018Observed: 3.61 ft at 7:15PM Apr 23, 2018Observed: 3.61 ft at 7:30PM Apr 23, 2018Observed: 3.61 ft at 7:45PM Apr 23, 2018Observed: 3.61 ft at 8:00PM Apr 23, 2018Observed: 3.61 ft at 8:15PM Apr 23, 2018Observed: 3.61 ft at 8:30PM Apr 23, 2018Observed: 3.61 ft at 8:45PM Apr 23, 2018Observed: 3.61 ft at 9:00PM Apr 23, 2018Observed: 3.61 ft at 9:15PM Apr 23, 2018Observed: 3.6 ft at 9:30PM Apr 23, 2018Observed: 3.61 ft at 9:45PM Apr 23, 2018Observed: 3.6 ft at 10:00PM Apr 23, 2018Observed: 3.6 ft at 10:15PM Apr 23, 2018Observed: 3.6 ft at 10:30PM Apr 23, 2018Observed: 3.6 ft at 10:45PM Apr 23, 2018Observed: 3.6 ft at 11:00PM Apr 23, 2018Observed: 3.6 ft at 11:15PM Apr 23, 2018Observed: 3.6 ft at 11:30PM Apr 23, 2018Observed: 3.6 ft at 11:45PM Apr 23, 2018Observed: 3.6 ft at 12:00AM Apr 24, 2018Observed: 3.6 ft at 12:15AM Apr 24, 2018Observed: 3.6 ft at 12:30AM Apr 24, 2018Observed: 3.6 ft at 12:45AM Apr 24, 2018Observed: 3.6 ft at 1:00AM Apr 24, 2018Observed: 3.6 ft at 1:15AM Apr 24, 2018Observed: 3.6 ft at 1:30AM Apr 24, 2018Observed: 3.61 ft at 1:45AM Apr 24, 2018Observed: 3.6 ft at 2:00AM Apr 24, 2018Observed: 3.6 ft at 2:15AM Apr 24, 2018Observed: 3.6 ft at 2:30AM Apr 24, 2018Observed: 3.6 ft at 2:45AM Apr 24, 2018Observed: 3.6 ft at 3:00AM Apr 24, 2018Observed: 3.6 ft at 3:15AM Apr 24, 2018Observed: 3.6 ft at 3:30AM Apr 24, 2018Observed: 3.6 ft at 3:45AM Apr 24, 2018Observed: 3.6 ft at 4:00AM Apr 24, 2018Observed: 3.6 ft at 4:15AM Apr 24, 2018Observed: 3.6 ft at 4:30AM Apr 24, 2018Observed: 3.6 ft at 4:45AM Apr 24, 2018Observed: 3.6 ft at 5:00AM Apr 24, 2018Observed: 3.6 ft at 5:15AM Apr 24, 2018Observed: 3.6 ft at 5:30AM Apr 24, 2018Observed: 3.6 ft at 5:45AM Apr 24, 2018Observed: 3.6 ft at 6:00AM Apr 24, 2018Observed: 3.6 ft at 6:15AM Apr 24, 2018Observed: 3.6 ft at 6:30AM Apr 24, 2018Highest Forecast: 3.6 ft 11:00AM Apr 24, 2018Highest Forecast: 3.6 ft 5:00PM Apr 24, 2018Highest Forecast: 3.6 ft 11:00PM Apr 24, 2018Highest Forecast: 3.6 ft 5:00AM Apr 25, 2018Highest Forecast: 3.6 ft 11:00AM Apr 25, 2018Highest Forecast: 3.6 ft 5:00PM Apr 25, 2018Highest Forecast: 3.6 ft 11:00PM Apr 25, 2018Highest Forecast: 3.6 ft 5:00AM Apr 26, 2018Highest Forecast: 3.6 ft 11:00AM Apr 26, 2018Highest Forecast: 3.6 ft 5:00PM Apr 26, 2018Highest Forecast: 3.6 ft 11:00PM Apr 26, 2018Highest Forecast: 3.6 ft 5:00AM Apr 27, 2018Highest Forecast: 3.6 ft 11:00AM Apr 27, 2018Highest Forecast: 3.6 ft 5:00PM Apr 27, 2018Forecast: 3.5 ft 11:00PM Apr 27, 2018Forecast: 3.5 ft 5:00AM Apr 28, 2018USGS--Water Resources of the United StatesBTEC1(plotting HGIRG) Graph Created (7:30AM Apr 24, 2018)ObservedForecast (issued 7:16AM Apr 23)Latest observed value: 3.6 ft at 6:30 AM PDT 24-Apr-2018. Flood Stage is 16.5 ft
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Tabular Data (PDT)
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Datum: Not Available
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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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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.
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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: 37.044444° 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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21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
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