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Hydrograph River at a Glance Download
Nathanson Creek at Sonoma Stage (ft)Flow (kcfs)Observed: -0.21 ft at 12:15AM Oct 15, 2021Observed: -0.21 ft at 12:30AM Oct 15, 2021Observed: -0.21 ft at 12:45AM Oct 15, 2021Observed: -0.21 ft at 1:00AM Oct 15, 2021Observed: -0.21 ft at 1:15AM Oct 15, 2021Observed: -0.21 ft at 1:30AM Oct 15, 2021Observed: -0.21 ft at 1:45AM Oct 15, 2021Observed: -0.21 ft at 2:00AM Oct 15, 2021Observed: -0.21 ft at 2:15AM Oct 15, 2021Observed: -0.21 ft at 2:30AM Oct 15, 2021Observed: -0.21 ft at 2:45AM Oct 15, 2021Observed: -0.21 ft at 3:00AM Oct 15, 2021Observed: -0.21 ft at 3:15AM Oct 15, 2021Observed: -0.21 ft at 3:30AM Oct 15, 2021Observed: -0.21 ft at 3:45AM Oct 15, 2021Observed: -0.21 ft at 4:00AM Oct 15, 2021Observed: -0.21 ft at 4:15AM Oct 15, 2021Observed: -0.21 ft at 4:30AM Oct 15, 2021Observed: -0.21 ft at 4:45AM Oct 15, 2021Observed: -0.21 ft at 5:00AM Oct 15, 2021Observed: -0.21 ft at 5:15AM Oct 15, 2021Observed: -0.21 ft at 5:30AM Oct 15, 2021Observed: -0.21 ft at 5:45AM Oct 15, 2021Observed: -0.21 ft at 6:00AM Oct 15, 2021Observed: -0.21 ft at 6:15AM Oct 15, 2021Observed: -0.21 ft at 6:30AM Oct 15, 2021Observed: -0.21 ft at 6:45AM Oct 15, 2021Observed: -0.21 ft at 7:00AM Oct 15, 2021Observed: -0.21 ft at 7:15AM Oct 15, 2021Observed: -0.21 ft at 7:30AM Oct 15, 2021Observed: -0.21 ft at 7:45AM Oct 15, 2021Observed: -0.21 ft at 8:00AM Oct 15, 2021Observed: -0.21 ft at 8:15AM Oct 15, 2021Observed: -0.21 ft at 8:30AM Oct 15, 2021Observed: -0.21 ft at 8:45AM Oct 15, 2021Observed: -0.21 ft at 9:00AM Oct 15, 2021Observed: -0.21 ft at 9:15AM Oct 15, 2021Observed: -0.21 ft at 9:30AM Oct 15, 2021Observed: -0.21 ft at 9:45AM Oct 15, 2021Observed: -0.21 ft at 10:00AM Oct 15, 2021Observed: -0.21 ft at 10:15AM Oct 15, 2021Observed: -0.21 ft at 10:30AM Oct 15, 2021Observed: -0.21 ft at 10:45AM Oct 15, 2021Observed: -0.21 ft at 11:00AM Oct 15, 2021Observed: -0.21 ft at 11:15AM Oct 15, 2021Observed: -0.21 ft at 11:30AM Oct 15, 2021Observed: -0.21 ft at 11:45AM Oct 15, 2021Observed: -0.21 ft at 12:00PM Oct 15, 2021Observed: -0.21 ft at 12:15PM Oct 15, 2021Observed: -0.21 ft at 12:30PM Oct 15, 2021Observed: -0.21 ft at 12:45PM Oct 15, 2021Observed: -0.21 ft at 1:00PM Oct 15, 2021Observed: -0.21 ft at 1:15PM Oct 15, 2021Observed: -0.21 ft at 1:30PM Oct 15, 2021Observed: -0.21 ft at 1:45PM Oct 15, 2021Observed: -0.21 ft at 2:00PM Oct 15, 2021Observed: -0.21 ft at 2:15PM Oct 15, 2021Observed: -0.21 ft at 2:30PM Oct 15, 2021Observed: -0.21 ft at 2:45PM Oct 15, 2021Observed: -0.21 ft at 3:00PM Oct 15, 2021Observed: -0.21 ft at 3:15PM Oct 15, 2021Observed: -0.21 ft at 3:30PM Oct 15, 2021Observed: -0.21 ft at 3:45PM Oct 15, 2021Observed: -0.21 ft at 4:00PM Oct 15, 2021Observed: -0.21 ft at 4:15PM Oct 15, 2021Observed: -0.21 ft at 4:30PM Oct 15, 2021Observed: -0.21 ft at 4:45PM Oct 15, 2021Observed: -0.21 ft at 5:00PM Oct 15, 2021Observed: -0.21 ft at 5:15PM Oct 15, 2021Observed: -0.21 ft at 5:30PM Oct 15, 2021Observed: -0.21 ft at 5:45PM Oct 15, 2021Observed: -0.21 ft at 6:00PM Oct 15, 2021Observed: -0.21 ft at 6:15PM Oct 15, 2021Observed: -0.21 ft at 6:30PM Oct 15, 2021Observed: -0.21 ft at 6:45PM Oct 15, 2021Observed: -0.21 ft at 7:00PM Oct 15, 2021Observed: -0.21 ft at 7:15PM Oct 15, 2021Observed: -0.21 ft at 7:30PM Oct 15, 2021Observed: -0.21 ft at 7:45PM Oct 15, 2021Observed: -0.21 ft at 8:00PM Oct 15, 2021Observed: -0.21 ft at 8:15PM Oct 15, 2021Observed: -0.21 ft at 8:30PM Oct 15, 2021Observed: -0.21 ft at 8:45PM Oct 15, 2021Observed: -0.21 ft at 9:00PM Oct 15, 2021Observed: -0.21 ft at 9:15PM Oct 15, 2021Observed: -0.21 ft at 9:30PM Oct 15, 2021Observed: -0.21 ft at 9:45PM Oct 15, 2021Observed: -0.21 ft at 10:00PM Oct 15, 2021Observed: -0.21 ft at 10:15PM Oct 15, 2021Observed: -0.21 ft at 10:30PM Oct 15, 2021Observed: -0.21 ft at 10:45PM Oct 15, 2021Observed: -0.21 ft at 11:00PM Oct 15, 2021Observed: -0.21 ft at 11:15PM Oct 15, 2021Observed: -0.21 ft at 11:30PM Oct 15, 2021Observed: -0.21 ft at 11:45PM Oct 15, 2021Observed: -0.21 ft at 12:00AM Oct 16, 2021Observed: -0.21 ft at 12:15AM Oct 16, 2021Observed: -0.21 ft at 12:30AM Oct 16, 2021Observed: -0.21 ft at 12:45AM Oct 16, 2021Observed: -0.21 ft at 1:00AM Oct 16, 2021Observed: -0.21 ft at 1:15AM Oct 16, 2021Observed: -0.21 ft at 1:30AM Oct 16, 2021Observed: -0.21 ft at 1:45AM Oct 16, 2021Observed: -0.21 ft at 2:00AM Oct 16, 2021Observed: -0.21 ft at 2:15AM Oct 16, 2021Observed: -0.21 ft at 2:30AM Oct 16, 2021Observed: -0.21 ft at 2:45AM Oct 16, 2021Observed: -0.21 ft at 3:00AM Oct 16, 2021Observed: -0.21 ft at 3:15AM Oct 16, 2021Observed: -0.21 ft at 3:30AM Oct 16, 2021Observed: -0.21 ft at 3:45AM Oct 16, 2021Observed: -0.21 ft at 4:00AM Oct 16, 2021Observed: -0.21 ft at 4:15AM Oct 16, 2021Observed: -0.21 ft at 4:30AM Oct 16, 2021Observed: -0.21 ft at 4:45AM Oct 16, 2021Observed: -0.21 ft at 5:00AM Oct 16, 2021Observed: -0.21 ft at 5:15AM Oct 16, 2021Observed: -0.21 ft at 5:30AM Oct 16, 2021Observed: -0.21 ft at 5:45AM Oct 16, 2021Observed: -0.21 ft at 6:00AM Oct 16, 2021Observed: -0.21 ft at 6:15AM Oct 16, 2021Observed: -0.21 ft at 6:30AM Oct 16, 2021Observed: -0.21 ft at 6:45AM Oct 16, 2021Observed: -0.21 ft at 7:00AM Oct 16, 2021Observed: -0.21 ft at 7:15AM Oct 16, 2021Observed: -0.21 ft at 7:30AM Oct 16, 2021Observed: -0.21 ft at 7:45AM Oct 16, 2021Observed: -0.21 ft at 8:00AM Oct 16, 2021Observed: -0.21 ft at 8:15AM Oct 16, 2021Observed: -0.21 ft at 8:30AM Oct 16, 2021Observed: -0.21 ft at 8:45AM Oct 16, 2021Observed: -0.21 ft at 9:00AM Oct 16, 2021Observed: -0.21 ft at 9:15AM Oct 16, 2021Observed: -0.21 ft at 9:30AM Oct 16, 2021Observed: -0.21 ft at 9:45AM Oct 16, 2021Observed: -0.21 ft at 10:00AM Oct 16, 2021Observed: -0.21 ft at 10:15AM Oct 16, 2021Observed: -0.21 ft at 10:30AM Oct 16, 2021Observed: -0.21 ft at 10:45AM Oct 16, 2021Observed: -0.21 ft at 11:00AM Oct 16, 2021Observed: -0.21 ft at 11:15AM Oct 16, 2021Observed: -0.21 ft at 11:30AM Oct 16, 2021Observed: -0.21 ft at 11:45AM Oct 16, 2021Observed: -0.21 ft at 12:00PM Oct 16, 2021Observed: -0.21 ft at 12:15PM Oct 16, 2021Observed: -0.21 ft at 12:30PM Oct 16, 2021Observed: -0.21 ft at 12:45PM Oct 16, 2021Observed: -0.21 ft at 1:00PM Oct 16, 2021Observed: -0.21 ft at 1:15PM Oct 16, 2021Observed: -0.21 ft at 1:30PM Oct 16, 2021Observed: -0.21 ft at 1:45PM Oct 16, 2021Observed: -0.21 ft at 2:00PM Oct 16, 2021Observed: -0.21 ft at 2:15PM Oct 16, 2021Observed: -0.21 ft at 2:30PM Oct 16, 2021Observed: -0.21 ft at 2:45PM Oct 16, 2021Observed: -0.21 ft at 3:00PM Oct 16, 2021Observed: -0.21 ft at 3:15PM Oct 16, 2021Observed: -0.21 ft at 3:30PM Oct 16, 2021Observed: -0.21 ft at 3:45PM Oct 16, 2021Observed: -0.21 ft at 4:00PM Oct 16, 2021Observed: -0.21 ft at 4:15PM Oct 16, 2021Observed: -0.21 ft at 4:30PM Oct 16, 2021Observed: -0.21 ft at 4:45PM Oct 16, 2021Observed: -0.21 ft at 5:00PM Oct 16, 2021Observed: -0.21 ft at 5:15PM Oct 16, 2021Observed: -0.21 ft at 5:30PM Oct 16, 2021Observed: -0.21 ft at 5:45PM Oct 16, 2021Observed: -0.21 ft at 6:00PM Oct 16, 2021Observed: -0.21 ft at 6:15PM Oct 16, 2021Observed: -0.21 ft at 6:30PM Oct 16, 2021Observed: -0.21 ft at 6:45PM Oct 16, 2021Observed: -0.21 ft at 7:00PM Oct 16, 2021Observed: -0.21 ft at 7:15PM Oct 16, 2021Observed: -0.21 ft at 7:30PM Oct 16, 2021Observed: -0.21 ft at 7:45PM Oct 16, 2021Observed: -0.21 ft at 8:00PM Oct 16, 2021Observed: -0.21 ft at 8:15PM Oct 16, 2021Observed: -0.21 ft at 8:30PM Oct 16, 2021Observed: -0.21 ft at 8:45PM Oct 16, 2021Observed: -0.21 ft at 9:00PM Oct 16, 2021Observed: -0.21 ft at 9:15PM Oct 16, 2021Observed: -0.21 ft at 9:30PM Oct 16, 2021Observed: -0.21 ft at 9:45PM Oct 16, 2021Observed: -0.21 ft at 10:00PM Oct 16, 2021Observed: -0.21 ft at 10:15PM Oct 16, 2021Observed: -0.21 ft at 10:30PM Oct 16, 2021Observed: -0.21 ft at 10:45PM Oct 16, 2021Observed: -0.21 ft at 11:00PM Oct 16, 2021Observed: -0.21 ft at 11:15PM Oct 16, 2021Observed: -0.21 ft at 11:30PM Oct 16, 2021Observed: -0.21 ft at 11:45PM Oct 16, 2021Observed: -0.21 ft at 12:00AM Oct 17, 2021Observed: -0.21 ft at 12:15AM Oct 17, 2021Observed: -0.21 ft at 12:30AM Oct 17, 2021Observed: -0.21 ft at 12:45AM Oct 17, 2021Observed: -0.21 ft at 1:00AM Oct 17, 2021Observed: -0.21 ft at 1:15AM Oct 17, 2021Observed: -0.21 ft at 1:30AM Oct 17, 2021Observed: -0.21 ft at 1:45AM Oct 17, 2021Observed: -0.21 ft at 2:00AM Oct 17, 2021Observed: -0.21 ft at 2:15AM Oct 17, 2021Observed: -0.21 ft at 2:30AM Oct 17, 2021Observed: -0.21 ft at 2:45AM Oct 17, 2021Observed: -0.21 ft at 3:00AM Oct 17, 2021Observed: -0.21 ft at 3:15AM Oct 17, 2021Observed: -0.21 ft at 3:30AM Oct 17, 2021Observed: -0.21 ft at 3:45AM Oct 17, 2021Observed: -0.21 ft at 4:00AM Oct 17, 2021Observed: -0.21 ft at 4:15AM Oct 17, 2021Observed: -0.21 ft at 4:30AM Oct 17, 2021Observed: -0.21 ft at 4:45AM Oct 17, 2021Observed: -0.21 ft at 5:00AM Oct 17, 2021Observed: -0.21 ft at 5:15AM Oct 17, 2021Observed: -0.21 ft at 5:30AM Oct 17, 2021Observed: -0.21 ft at 5:45AM Oct 17, 2021Observed: -0.21 ft at 6:00AM Oct 17, 2021Observed: -0.21 ft at 6:15AM Oct 17, 2021Observed: -0.21 ft at 6:30AM Oct 17, 2021Observed: -0.21 ft at 6:45AM Oct 17, 2021Observed: -0.21 ft at 7:00AM Oct 17, 2021Observed: -0.21 ft at 7:15AM Oct 17, 2021Observed: -0.21 ft at 7:30AM Oct 17, 2021Observed: -0.21 ft at 7:45AM Oct 17, 2021Observed: -0.21 ft at 8:00AM Oct 17, 2021Observed: -0.21 ft at 8:15AM Oct 17, 2021Observed: -0.21 ft at 8:30AM Oct 17, 2021Observed: -0.21 ft at 8:45AM Oct 17, 2021Observed: -0.21 ft at 9:00AM Oct 17, 2021Observed: -0.21 ft at 9:15AM Oct 17, 2021Observed: -0.21 ft at 9:30AM Oct 17, 2021Observed: -0.21 ft at 9:45AM Oct 17, 2021Observed: -0.21 ft at 10:00AM Oct 17, 2021Observed: -0.21 ft at 10:15AM Oct 17, 2021Observed: -0.21 ft at 10:30AM Oct 17, 2021Observed: -0.21 ft at 10:45AM Oct 17, 2021Observed: -0.21 ft at 11:00AM Oct 17, 2021Observed: -0.21 ft at 11:15AM Oct 17, 2021Observed: -0.21 ft at 11:30AM Oct 17, 2021Observed: -0.21 ft at 11:45AM Oct 17, 2021Observed: -0.21 ft at 12:00PM Oct 17, 2021Observed: -0.21 ft at 12:15PM Oct 17, 2021Observed: -0.21 ft at 12:30PM Oct 17, 2021Observed: -0.21 ft at 12:45PM Oct 17, 2021Observed: -0.21 ft at 1:00PM Oct 17, 2021Observed: -0.21 ft at 1:15PM Oct 17, 2021Observed: -0.21 ft at 1:30PM Oct 17, 2021Observed: -0.21 ft at 1:45PM Oct 17, 2021Observed: -0.21 ft at 2:00PM Oct 17, 2021Observed: -0.21 ft at 2:15PM Oct 17, 2021Observed: -0.21 ft at 2:30PM Oct 17, 2021Observed: -0.21 ft at 2:45PM Oct 17, 2021Observed: -0.21 ft at 3:00PM Oct 17, 2021Observed: -0.21 ft at 3:15PM Oct 17, 2021Observed: -0.21 ft at 3:30PM Oct 17, 2021Observed: -0.21 ft at 3:45PM Oct 17, 2021Observed: -0.21 ft at 4:00PM Oct 17, 2021Observed: -0.21 ft at 4:15PM Oct 17, 2021Observed: -0.21 ft at 4:30PM Oct 17, 2021Observed: -0.21 ft at 4:45PM Oct 17, 2021Observed: -0.21 ft at 5:00PM Oct 17, 2021Observed: -0.21 ft at 5:15PM Oct 17, 2021Observed: -0.21 ft at 5:30PM Oct 17, 2021Observed: -0.21 ft at 5:45PM Oct 17, 2021Observed: -0.21 ft at 6:00PM Oct 17, 2021Observed: -0.21 ft at 6:15PM Oct 17, 2021Observed: -0.21 ft at 6:30PM Oct 17, 2021Observed: -0.21 ft at 6:45PM Oct 17, 2021Observed: -0.21 ft at 7:00PM Oct 17, 2021Observed: -0.21 ft at 7:15PM Oct 17, 2021Observed: -0.21 ft at 7:30PM Oct 17, 2021Observed: -0.21 ft at 7:45PM Oct 17, 2021Observed: -0.21 ft at 8:00PM Oct 17, 2021Observed: -0.21 ft at 8:15PM Oct 17, 2021Observed: -0.21 ft at 8:30PM Oct 17, 2021Observed: -0.21 ft at 8:45PM Oct 17, 2021Observed: -0.21 ft at 9:00PM Oct 17, 2021Observed: -0.21 ft at 9:15PM Oct 17, 2021Observed: -0.21 ft at 9:30PM Oct 17, 2021Observed: -0.21 ft at 9:45PM Oct 17, 2021Observed: -0.21 ft at 10:00PM Oct 17, 2021Observed: -0.21 ft at 10:15PM Oct 17, 2021Observed: -0.21 ft at 10:30PM Oct 17, 2021Observed: -0.21 ft at 10:45PM Oct 17, 2021Observed: -0.21 ft at 11:00PM Oct 17, 2021Observed: -0.21 ft at 11:15PM Oct 17, 2021Observed: -0.21 ft at 11:30PM Oct 17, 2021Observed: -0.21 ft at 11:45PM Oct 17, 2021Observed: -0.21 ft at 12:00AM Oct 18, 2021Observed: -0.21 ft at 12:15AM Oct 18, 2021Observed: -0.21 ft at 12:30AM Oct 18, 2021Observed: -0.21 ft at 12:45AM Oct 18, 2021Observed: -0.21 ft at 1:00AM Oct 18, 2021Observed: -0.21 ft at 1:15AM Oct 18, 2021Observed: -0.21 ft at 1:30AM Oct 18, 2021Observed: -0.21 ft at 1:45AM Oct 18, 2021Observed: -0.21 ft at 2:00AM Oct 18, 2021Observed: -0.21 ft at 2:15AM Oct 18, 2021Observed: -0.21 ft at 2:30AM Oct 18, 2021Observed: -0.21 ft at 2:45AM Oct 18, 2021Observed: -0.21 ft at 3:00AM Oct 18, 2021Observed: -0.21 ft at 3:15AM Oct 18, 2021Observed: -0.21 ft at 3:30AM Oct 18, 2021Observed: -0.21 ft at 3:45AM Oct 18, 2021Observed: -0.21 ft at 4:00AM Oct 18, 2021Observed: -0.21 ft at 4:15AM Oct 18, 2021Observed: -0.21 ft at 4:30AM Oct 18, 2021Observed: -0.21 ft at 4:45AM Oct 18, 2021Observed: -0.21 ft at 5:00AM Oct 18, 2021Observed: -0.21 ft at 5:15AM Oct 18, 2021Observed: -0.21 ft at 5:30AM Oct 18, 2021Observed: -0.21 ft at 5:45AM Oct 18, 2021Observed: -0.21 ft at 6:00AM Oct 18, 2021Observed: -0.21 ft at 6:15AM Oct 18, 2021Observed: -0.21 ft at 6:30AM Oct 18, 2021Observed: -0.21 ft at 6:45AM Oct 18, 2021Observed: -0.21 ft at 7:00AM Oct 18, 2021Observed: -0.21 ft at 7:15AM Oct 18, 2021Observed: -0.21 ft at 7:30AM Oct 18, 2021Observed: -0.21 ft at 7:45AM Oct 18, 2021Observed: -0.21 ft at 8:00AM Oct 18, 2021Observed: -0.21 ft at 8:15AM Oct 18, 2021Observed: -0.21 ft at 8:30AM Oct 18, 2021Observed: -0.21 ft at 8:45AM Oct 18, 2021Observed: -0.21 ft at 9:00AM Oct 18, 2021Observed: -0.21 ft at 9:15AM Oct 18, 2021Observed: -0.21 ft at 9:30AM Oct 18, 2021Observed: -0.21 ft at 9:45AM Oct 18, 2021Observed: -0.21 ft at 10:00AM Oct 18, 2021Observed: -0.21 ft at 10:15AM Oct 18, 2021Observed: -0.21 ft at 10:30AM Oct 18, 2021Observed: -0.21 ft at 10:45AM Oct 18, 2021Observed: -0.21 ft at 11:00AM Oct 18, 2021Observed: -0.21 ft at 11:15AM Oct 18, 2021Observed: -0.21 ft at 11:30AM Oct 18, 2021Observed: -0.21 ft at 11:45AM Oct 18, 2021Observed: -0.21 ft at 12:00PM Oct 18, 2021Observed: -0.21 ft at 12:15PM Oct 18, 2021Observed: -0.21 ft at 12:30PM Oct 18, 2021Observed: -0.21 ft at 12:45PM Oct 18, 2021Observed: -0.21 ft at 1:00PM Oct 18, 2021Observed: -0.21 ft at 1:15PM Oct 18, 2021Observed: -0.21 ft at 1:30PM Oct 18, 2021Observed: -0.21 ft at 1:45PM Oct 18, 2021Observed: -0.21 ft at 2:00PM Oct 18, 2021Observed: -0.21 ft at 2:15PM Oct 18, 2021Observed: -0.21 ft at 2:30PM Oct 18, 2021Observed: -0.21 ft at 2:45PM Oct 18, 2021Observed: -0.21 ft at 3:00PM Oct 18, 2021Observed: -0.21 ft at 3:15PM Oct 18, 2021Observed: -0.21 ft at 3:30PM Oct 18, 2021Observed: -0.21 ft at 3:45PM Oct 18, 2021Observed: -0.21 ft at 4:00PM Oct 18, 2021Observed: -0.21 ft at 4:15PM Oct 18, 2021Observed: -0.21 ft at 4:30PM Oct 18, 2021Observed: -0.21 ft at 4:45PM Oct 18, 2021Observed: -0.21 ft at 5:00PM Oct 18, 2021Observed: -0.21 ft at 5:15PM Oct 18, 2021Observed: -0.21 ft at 5:30PM Oct 18, 2021Observed: -0.21 ft at 5:45PM Oct 18, 2021Observed: -0.21 ft at 6:00PM Oct 18, 2021Observed: -0.21 ft at 6:15PM Oct 18, 2021Observed: -0.21 ft at 6:30PM Oct 18, 2021Observed: -0.21 ft at 6:45PM Oct 18, 2021Observed: -0.21 ft at 7:00PM Oct 18, 2021Observed: -0.21 ft at 7:15PM Oct 18, 2021Observed: -0.21 ft at 7:30PM Oct 18, 2021Observed: -0.21 ft at 7:45PM Oct 18, 2021Observed: -0.21 ft at 8:00PM Oct 18, 2021Observed: -0.21 ft at 8:15PM Oct 18, 2021Observed: -0.21 ft at 8:30PM Oct 18, 2021Observed: -0.21 ft at 8:45PM Oct 18, 2021Observed: -0.21 ft at 9:00PM Oct 18, 2021Observed: -0.21 ft at 9:15PM Oct 18, 2021Observed: -0.21 ft at 9:30PM Oct 18, 2021Observed: -0.21 ft at 9:45PM Oct 18, 2021Observed: -0.21 ft at 10:00PM Oct 18, 2021Observed: -0.21 ft at 10:15PM Oct 18, 2021Observed: -0.21 ft at 10:30PM Oct 18, 2021Observed: -0.21 ft at 10:45PM Oct 18, 2021Observed: -0.21 ft at 11:00PM Oct 18, 2021Observed: -0.21 ft at 11:15PM Oct 18, 2021Observed: -0.21 ft at 11:30PM Oct 18, 2021Observed: -0.21 ft at 11:45PM Oct 18, 2021Observed: -0.21 ft at 12:00AM Oct 19, 2021Observed: -0.21 ft at 12:15AM Oct 19, 2021Observed: -0.21 ft at 12:30AM Oct 19, 2021Observed: -0.21 ft at 12:45AM Oct 19, 2021Observed: -0.21 ft at 1:00AM Oct 19, 2021Observed: -0.21 ft at 1:15AM Oct 19, 2021Observed: -0.21 ft at 1:30AM Oct 19, 2021Observed: -0.21 ft at 1:45AM Oct 19, 2021Observed: -0.21 ft at 2:00AM Oct 19, 2021Observed: -0.21 ft at 2:15AM Oct 19, 2021Observed: -0.21 ft at 2:30AM Oct 19, 2021Observed: -0.21 ft at 2:45AM Oct 19, 2021Observed: -0.21 ft at 3:00AM Oct 19, 2021Observed: -0.21 ft at 3:15AM Oct 19, 2021Observed: -0.21 ft at 3:30AM Oct 19, 2021Observed: -0.21 ft at 3:45AM Oct 19, 2021Observed: -0.21 ft at 4:00AM Oct 19, 2021Observed: -0.21 ft at 4:15AM Oct 19, 2021Observed: -0.21 ft at 4:30AM Oct 19, 2021Observed: -0.21 ft at 4:45AM Oct 19, 2021Observed: -0.21 ft at 5:00AM Oct 19, 2021Observed: -0.21 ft at 5:15AM Oct 19, 2021Observed: -0.21 ft at 5:30AM Oct 19, 2021Observed: -0.21 ft at 5:45AM Oct 19, 2021Observed: -0.21 ft at 6:00AM Oct 19, 2021Observed: -0.21 ft at 6:15AM Oct 19, 2021Observed: -0.21 ft at 6:30AM Oct 19, 2021Observed: -0.21 ft at 6:45AM Oct 19, 2021Observed: -0.21 ft at 7:00AM Oct 19, 2021Observed: -0.21 ft at 7:15AM Oct 19, 2021Observed: -0.21 ft at 7:30AM Oct 19, 2021Observed: -0.21 ft at 7:45AM Oct 19, 2021Observed: -0.21 ft at 8:00AM Oct 19, 2021Observed: -0.21 ft at 8:15AM Oct 19, 2021Observed: -0.21 ft at 8:30AM Oct 19, 2021Observed: -0.21 ft at 8:45AM Oct 19, 2021Observed: -0.21 ft at 9:00AM Oct 19, 2021Observed: -0.21 ft at 9:15AM Oct 19, 2021Observed: -0.21 ft at 9:30AM Oct 19, 2021Observed: -0.21 ft at 9:45AM Oct 19, 2021Observed: -0.21 ft at 10:00AM Oct 19, 2021Observed: -0.21 ft at 10:15AM Oct 19, 2021Observed: -0.21 ft at 10:30AM Oct 19, 2021Observed: -0.21 ft at 10:45AM Oct 19, 2021Observed: -0.21 ft at 11:00AM Oct 19, 2021Observed: -0.21 ft at 11:15AM Oct 19, 2021Observed: -0.21 ft at 11:30AM Oct 19, 2021Observed: -0.21 ft at 11:45AM Oct 19, 2021Observed: -0.21 ft at 12:00PM Oct 19, 2021Observed: -0.21 ft at 12:15PM Oct 19, 2021Observed: -0.21 ft at 12:30PM Oct 19, 2021Observed: -0.21 ft at 12:45PM Oct 19, 2021Observed: -0.21 ft at 1:00PM Oct 19, 2021Observed: -0.21 ft at 1:15PM Oct 19, 2021Observed: -0.21 ft at 1:30PM Oct 19, 2021Observed: -0.21 ft at 1:45PM Oct 19, 2021Observed: -0.21 ft at 2:00PM Oct 19, 2021Observed: -0.21 ft at 2:15PM Oct 19, 2021Observed: -0.21 ft at 2:30PM Oct 19, 2021Observed: -0.21 ft at 2:45PM Oct 19, 2021Observed: -0.21 ft at 3:00PM Oct 19, 2021Observed: -0.21 ft at 3:15PM Oct 19, 2021Observed: -0.21 ft at 3:30PM Oct 19, 2021Observed: -0.21 ft at 3:45PM Oct 19, 2021Observed: -0.21 ft at 4:00PM Oct 19, 2021Observed: -0.21 ft at 4:15PM Oct 19, 2021Observed: -0.21 ft at 4:30PM Oct 19, 2021Observed: -0.21 ft at 4:45PM Oct 19, 2021Observed: -0.21 ft at 5:00PM Oct 19, 2021Observed: -0.21 ft at 5:15PM Oct 19, 2021Observed: -0.21 ft at 5:30PM Oct 19, 2021Observed: -0.21 ft at 5:45PM Oct 19, 2021Observed: -0.21 ft at 6:00PM Oct 19, 2021Observed: -0.21 ft at 6:15PM Oct 19, 2021Observed: -0.21 ft at 6:30PM Oct 19, 2021Observed: -0.21 ft at 6:45PM Oct 19, 2021Observed: -0.21 ft at 7:00PM Oct 19, 2021Observed: -0.21 ft at 7:15PM Oct 19, 2021Observed: -0.21 ft at 7:30PM Oct 19, 2021Observed: -0.21 ft at 7:45PM Oct 19, 2021Observed: -0.21 ft at 8:00PM Oct 19, 2021Observed: -0.21 ft at 8:15PM Oct 19, 2021Observed: -0.21 ft at 8:30PM Oct 19, 2021Observed: -0.21 ft at 8:45PM Oct 19, 2021Observed: -0.21 ft at 9:00PM Oct 19, 2021Observed: -0.21 ft at 9:15PM Oct 19, 2021Observed: -0.21 ft at 9:30PM Oct 19, 2021Observed: -0.21 ft at 9:45PM Oct 19, 2021Observed: -0.21 ft at 10:00PM Oct 19, 2021Observed: -0.21 ft at 10:15PM Oct 19, 2021Observed: -0.21 ft at 10:30PM Oct 19, 2021Observed: -0.21 ft at 10:45PM Oct 19, 2021Observed: -0.21 ft at 11:00PM Oct 19, 2021Observed: -0.21 ft at 11:15PM Oct 19, 2021USGS--Water Resources of the United StatesNTSC1(plotting HGIRG) Graph Created (12:00AM Oct 20, 2021)ObservedLatest observed value: -0.21 ft at 11:15 PM PDT 19-Oct-2021.
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Tabular Data (UTC)
Tabular Data (PDT)
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NOTE: Graphical forecasts are not available for the Nathanson Creek at Sonoma. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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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Latitude: 38.280800° N, Longitude: 122.455800° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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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