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Hydrograph River at a Glance Download
Colgan Creek near Sebastopol Stage (ft)Flow (cfs)Observed: 68.51 ft at 4:15PM May 11, 2022Observed: 68.52 ft at 4:30PM May 11, 2022Observed: 68.53 ft at 4:45PM May 11, 2022Observed: 68.54 ft at 5:00PM May 11, 2022Observed: 68.54 ft at 5:15PM May 11, 2022Highest Observation: 68.55 ft at 5:30PM May 11, 2022Highest Observation: 68.55 ft at 5:45PM May 11, 2022Highest Observation: 68.55 ft at 6:00PM May 11, 2022Highest Observation: 68.55 ft at 6:15PM May 11, 2022Highest Observation: 68.55 ft at 6:30PM May 11, 2022Highest Observation: 68.55 ft at 6:45PM May 11, 2022Highest Observation: 68.55 ft at 7:00PM May 11, 2022Highest Observation: 68.55 ft at 7:15PM May 11, 2022Highest Observation: 68.55 ft at 7:30PM May 11, 2022Observed: 68.54 ft at 7:45PM May 11, 2022Observed: 68.54 ft at 8:00PM May 11, 2022Observed: 68.54 ft at 8:15PM May 11, 2022Observed: 68.53 ft at 8:30PM May 11, 2022Observed: 68.53 ft at 8:45PM May 11, 2022Observed: 68.53 ft at 9:00PM May 11, 2022Observed: 68.53 ft at 9:15PM May 11, 2022Observed: 68.52 ft at 9:30PM May 11, 2022Observed: 68.51 ft at 9:45PM May 11, 2022Observed: 68.5 ft at 10:00PM May 11, 2022Observed: 68.5 ft at 10:15PM May 11, 2022Observed: 68.49 ft at 10:30PM May 11, 2022Observed: 68.49 ft at 10:45PM May 11, 2022Observed: 68.49 ft at 11:00PM May 11, 2022Observed: 68.48 ft at 11:15PM May 11, 2022Observed: 68.47 ft at 11:30PM May 11, 2022Observed: 68.47 ft at 11:45PM May 11, 2022Observed: 68.46 ft at 12:00AM May 12, 2022Observed: 68.46 ft at 12:15AM May 12, 2022Observed: 68.45 ft at 12:30AM May 12, 2022Observed: 68.45 ft at 12:45AM May 12, 2022Observed: 68.44 ft at 1:00AM May 12, 2022Observed: 68.44 ft at 1:15AM May 12, 2022Observed: 68.43 ft at 1:30AM May 12, 2022Observed: 68.43 ft at 1:45AM May 12, 2022Observed: 68.43 ft at 2:00AM May 12, 2022Observed: 68.42 ft at 2:15AM May 12, 2022Observed: 68.42 ft at 2:30AM May 12, 2022Observed: 68.41 ft at 2:45AM May 12, 2022Observed: 68.41 ft at 3:00AM May 12, 2022Observed: 68.4 ft at 3:15AM May 12, 2022Observed: 68.4 ft at 3:30AM May 12, 2022Observed: 68.4 ft at 3:45AM May 12, 2022Observed: 68.39 ft at 4:00AM May 12, 2022Observed: 68.39 ft at 4:15AM May 12, 2022Observed: 68.39 ft at 4:30AM May 12, 2022Observed: 68.38 ft at 4:45AM May 12, 2022Observed: 68.38 ft at 5:00AM May 12, 2022Observed: 68.38 ft at 5:15AM May 12, 2022Observed: 68.38 ft at 5:30AM May 12, 2022Observed: 68.37 ft at 5:45AM May 12, 2022Observed: 68.37 ft at 6:00AM May 12, 2022Observed: 68.37 ft at 6:15AM May 12, 2022Observed: 68.36 ft at 6:30AM May 12, 2022Observed: 68.36 ft at 6:45AM May 12, 2022Observed: 68.36 ft at 7:00AM May 12, 2022Observed: 68.36 ft at 7:15AM May 12, 2022Observed: 68.36 ft at 7:30AM May 12, 2022Observed: 68.36 ft at 7:45AM May 12, 2022Observed: 68.35 ft at 8:00AM May 12, 2022Observed: 68.36 ft at 8:15AM May 12, 2022Observed: 68.35 ft at 8:30AM May 12, 2022Observed: 68.35 ft at 8:45AM May 12, 2022Observed: 68.35 ft at 9:00AM May 12, 2022Observed: 68.35 ft at 9:15AM May 12, 2022Observed: 68.35 ft at 9:30AM May 12, 2022Observed: 68.35 ft at 9:45AM May 12, 2022Observed: 68.35 ft at 10:00AM May 12, 2022Observed: 68.35 ft at 10:15AM May 12, 2022Observed: 68.35 ft at 10:30AM May 12, 2022Observed: 68.35 ft at 10:45AM May 12, 2022Observed: 68.34 ft at 11:00AM May 12, 2022Observed: 68.34 ft at 11:15AM May 12, 2022Observed: 68.34 ft at 11:30AM May 12, 2022Observed: 68.34 ft at 11:45AM May 12, 2022Observed: 68.34 ft at 12:00PM May 12, 2022Observed: 68.34 ft at 12:15PM May 12, 2022Observed: 68.34 ft at 12:30PM May 12, 2022Observed: 68.34 ft at 12:45PM May 12, 2022Observed: 68.33 ft at 1:00PM May 12, 2022Observed: 68.33 ft at 1:15PM May 12, 2022Observed: 68.33 ft at 1:30PM May 12, 2022Observed: 68.33 ft at 1:45PM May 12, 2022Observed: 68.33 ft at 2:00PM May 12, 2022Observed: 68.33 ft at 2:15PM May 12, 2022Observed: 68.33 ft at 2:30PM May 12, 2022Observed: 68.33 ft at 2:45PM May 12, 2022Observed: 68.33 ft at 3:00PM May 12, 2022Observed: 68.32 ft at 3:15PM May 12, 2022Observed: 68.32 ft at 3:30PM May 12, 2022Observed: 68.32 ft at 3:45PM May 12, 2022Observed: 68.32 ft at 4:00PM May 12, 2022Observed: 68.32 ft at 4:15PM May 12, 2022Observed: 68.32 ft at 4:30PM May 12, 2022Observed: 68.32 ft at 4:45PM May 12, 2022Observed: 68.32 ft at 5:00PM May 12, 2022Observed: 68.31 ft at 5:15PM May 12, 2022Observed: 68.31 ft at 5:30PM May 12, 2022Observed: 68.31 ft at 5:45PM May 12, 2022Observed: 68.31 ft at 6:00PM May 12, 2022Observed: 68.31 ft at 6:15PM May 12, 2022Observed: 68.31 ft at 6:30PM May 12, 2022Observed: 68.31 ft at 6:45PM May 12, 2022Observed: 68.31 ft at 7:00PM May 12, 2022Observed: 68.31 ft at 7:15PM May 12, 2022Observed: 68.3 ft at 7:30PM May 12, 2022Observed: 68.3 ft at 7:45PM May 12, 2022Observed: 68.3 ft at 8:00PM May 12, 2022Observed: 68.3 ft at 8:15PM May 12, 2022Observed: 68.3 ft at 8:30PM May 12, 2022Observed: 68.29 ft at 8:45PM May 12, 2022Observed: 68.29 ft at 9:00PM May 12, 2022Observed: 68.29 ft at 9:15PM May 12, 2022Observed: 68.29 ft at 9:30PM May 12, 2022Observed: 68.29 ft at 9:45PM May 12, 2022Observed: 68.29 ft at 10:00PM May 12, 2022Observed: 68.29 ft at 10:15PM May 12, 2022Observed: 68.29 ft at 10:30PM May 12, 2022Observed: 68.29 ft at 10:45PM May 12, 2022Observed: 68.28 ft at 11:00PM May 12, 2022Observed: 68.28 ft at 11:15PM May 12, 2022Observed: 68.28 ft at 11:30PM May 12, 2022Observed: 68.28 ft at 11:45PM May 12, 2022Observed: 68.28 ft at 12:00AM May 13, 2022Observed: 68.28 ft at 12:15AM May 13, 2022Observed: 68.28 ft at 12:30AM May 13, 2022Observed: 68.27 ft at 12:45AM May 13, 2022Observed: 68.28 ft at 1:00AM May 13, 2022Observed: 68.27 ft at 1:15AM May 13, 2022Observed: 68.27 ft at 1:30AM May 13, 2022Observed: 68.27 ft at 1:45AM May 13, 2022Observed: 68.27 ft at 2:00AM May 13, 2022Observed: 68.27 ft at 2:15AM May 13, 2022Observed: 68.27 ft at 2:30AM May 13, 2022Observed: 68.27 ft at 2:45AM May 13, 2022Observed: 68.27 ft at 3:00AM May 13, 2022Observed: 68.27 ft at 3:15AM May 13, 2022Observed: 68.27 ft at 3:30AM May 13, 2022Observed: 68.26 ft at 3:45AM May 13, 2022Observed: 68.26 ft at 4:00AM May 13, 2022Observed: 68.26 ft at 4:15AM May 13, 2022Observed: 68.26 ft at 4:30AM May 13, 2022Observed: 68.26 ft at 4:45AM May 13, 2022Observed: 68.26 ft at 5:00AM May 13, 2022Observed: 68.26 ft at 5:15AM May 13, 2022Observed: 68.26 ft at 5:30AM May 13, 2022Observed: 68.26 ft at 5:45AM May 13, 2022Observed: 68.26 ft at 6:00AM May 13, 2022Observed: 68.26 ft at 6:15AM May 13, 2022Observed: 68.26 ft at 6:30AM May 13, 2022Observed: 68.26 ft at 6:45AM May 13, 2022Observed: 68.26 ft at 7:00AM May 13, 2022Observed: 68.25 ft at 7:15AM May 13, 2022Observed: 68.26 ft at 7:30AM May 13, 2022Observed: 68.26 ft at 7:45AM May 13, 2022Observed: 68.25 ft at 8:00AM May 13, 2022Observed: 68.26 ft at 8:15AM May 13, 2022Observed: 68.25 ft at 8:30AM May 13, 2022Observed: 68.26 ft at 8:45AM May 13, 2022Observed: 68.26 ft at 9:00AM May 13, 2022Observed: 68.26 ft at 9:15AM May 13, 2022Observed: 68.26 ft at 9:30AM May 13, 2022Observed: 68.25 ft at 9:45AM May 13, 2022Observed: 68.26 ft at 10:00AM May 13, 2022Observed: 68.25 ft at 10:15AM May 13, 2022Observed: 68.25 ft at 10:30AM May 13, 2022Observed: 68.25 ft at 10:45AM May 13, 2022Observed: 68.25 ft at 11:00AM May 13, 2022Observed: 68.25 ft at 11:15AM May 13, 2022Observed: 68.25 ft at 11:30AM May 13, 2022Observed: 68.25 ft at 11:45AM May 13, 2022Observed: 68.25 ft at 12:00PM May 13, 2022Observed: 68.25 ft at 12:15PM May 13, 2022Observed: 68.25 ft at 12:30PM May 13, 2022Observed: 68.25 ft at 12:45PM May 13, 2022Observed: 68.25 ft at 1:00PM May 13, 2022Observed: 68.25 ft at 1:15PM May 13, 2022Observed: 68.25 ft at 1:30PM May 13, 2022Observed: 68.24 ft at 1:45PM May 13, 2022Observed: 68.25 ft at 2:00PM May 13, 2022Observed: 68.24 ft at 2:15PM May 13, 2022Observed: 68.24 ft at 2:30PM May 13, 2022Observed: 68.24 ft at 2:45PM May 13, 2022Observed: 68.24 ft at 3:00PM May 13, 2022Observed: 68.24 ft at 3:15PM May 13, 2022Observed: 68.24 ft at 3:30PM May 13, 2022Observed: 68.24 ft at 3:45PM May 13, 2022Observed: 68.24 ft at 4:00PM May 13, 2022Observed: 68.24 ft at 4:15PM May 13, 2022Observed: 68.24 ft at 4:30PM May 13, 2022Observed: 68.24 ft at 4:45PM May 13, 2022Observed: 68.24 ft at 5:00PM May 13, 2022Observed: 68.23 ft at 5:15PM May 13, 2022Observed: 68.24 ft at 5:30PM May 13, 2022Observed: 68.23 ft at 5:45PM May 13, 2022Observed: 68.24 ft at 6:00PM May 13, 2022Observed: 68.23 ft at 6:15PM May 13, 2022Observed: 68.23 ft at 6:30PM May 13, 2022Observed: 68.23 ft at 6:45PM May 13, 2022Observed: 68.23 ft at 7:00PM May 13, 2022Observed: 68.23 ft at 7:15PM May 13, 2022Observed: 68.23 ft at 7:30PM May 13, 2022Observed: 68.23 ft at 7:45PM May 13, 2022Observed: 68.23 ft at 8:00PM May 13, 2022Observed: 68.23 ft at 8:15PM May 13, 2022Observed: 68.23 ft at 8:30PM May 13, 2022Observed: 68.23 ft at 8:45PM May 13, 2022Observed: 68.23 ft at 9:00PM May 13, 2022Observed: 68.23 ft at 9:15PM May 13, 2022Observed: 68.22 ft at 9:30PM May 13, 2022Observed: 68.22 ft at 9:45PM May 13, 2022Observed: 68.22 ft at 10:00PM May 13, 2022Observed: 68.22 ft at 10:15PM May 13, 2022Observed: 68.22 ft at 10:30PM May 13, 2022Observed: 68.22 ft at 10:45PM May 13, 2022Observed: 68.22 ft at 11:00PM May 13, 2022Observed: 68.22 ft at 11:15PM May 13, 2022Observed: 68.22 ft at 11:30PM May 13, 2022Observed: 68.22 ft at 11:45PM May 13, 2022Observed: 68.22 ft at 12:00AM May 14, 2022Observed: 68.21 ft at 12:15AM May 14, 2022Observed: 68.22 ft at 12:30AM May 14, 2022Observed: 68.21 ft at 12:45AM May 14, 2022Observed: 68.21 ft at 1:00AM May 14, 2022Observed: 68.21 ft at 1:15AM May 14, 2022Observed: 68.21 ft at 1:30AM May 14, 2022Observed: 68.21 ft at 1:45AM May 14, 2022Observed: 68.21 ft at 2:00AM May 14, 2022Observed: 68.21 ft at 2:15AM May 14, 2022Observed: 68.21 ft at 2:30AM May 14, 2022Observed: 68.21 ft at 2:45AM May 14, 2022Observed: 68.21 ft at 3:00AM May 14, 2022Observed: 68.21 ft at 3:15AM May 14, 2022Observed: 68.21 ft at 3:30AM May 14, 2022Observed: 68.21 ft at 3:45AM May 14, 2022Observed: 68.21 ft at 4:00AM May 14, 2022Observed: 68.21 ft at 4:15AM May 14, 2022Observed: 68.21 ft at 4:30AM May 14, 2022Observed: 68.21 ft at 4:45AM May 14, 2022Observed: 68.21 ft at 5:00AM May 14, 2022Observed: 68.21 ft at 5:15AM May 14, 2022Observed: 68.2 ft at 5:30AM May 14, 2022Observed: 68.21 ft at 5:45AM May 14, 2022Observed: 68.2 ft at 6:00AM May 14, 2022Observed: 68.21 ft at 6:15AM May 14, 2022Observed: 68.2 ft at 6:30AM May 14, 2022Observed: 68.2 ft at 6:45AM May 14, 2022Observed: 68.2 ft at 7:00AM May 14, 2022Observed: 68.2 ft at 7:15AM May 14, 2022Observed: 68.2 ft at 7:30AM May 14, 2022Observed: 68.2 ft at 7:45AM May 14, 2022Observed: 68.2 ft at 8:00AM May 14, 2022Observed: 68.2 ft at 8:15AM May 14, 2022Observed: 68.2 ft at 8:30AM May 14, 2022Observed: 68.2 ft at 8:45AM May 14, 2022Observed: 68.21 ft at 9:00AM May 14, 2022Observed: 68.2 ft at 9:15AM May 14, 2022Observed: 68.2 ft at 9:30AM May 14, 2022Observed: 68.2 ft at 9:45AM May 14, 2022Observed: 68.2 ft at 10:00AM May 14, 2022Observed: 68.2 ft at 10:15AM May 14, 2022Observed: 68.2 ft at 10:30AM May 14, 2022Observed: 68.2 ft at 10:45AM May 14, 2022Observed: 68.2 ft at 11:00AM May 14, 2022Observed: 68.2 ft at 11:15AM May 14, 2022Observed: 68.2 ft at 11:30AM May 14, 2022Observed: 68.2 ft at 11:45AM May 14, 2022Observed: 68.2 ft at 12:00PM May 14, 2022Observed: 68.2 ft at 12:15PM May 14, 2022Observed: 68.2 ft at 12:30PM May 14, 2022Observed: 68.2 ft at 12:45PM May 14, 2022Observed: 68.2 ft at 1:00PM May 14, 2022Observed: 68.2 ft at 1:15PM May 14, 2022Observed: 68.2 ft at 1:30PM May 14, 2022Observed: 68.2 ft at 1:45PM May 14, 2022Observed: 68.2 ft at 2:00PM May 14, 2022Observed: 68.2 ft at 2:15PM May 14, 2022Observed: 68.19 ft at 2:30PM May 14, 2022Observed: 68.2 ft at 2:45PM May 14, 2022Observed: 68.19 ft at 3:00PM May 14, 2022Observed: 68.19 ft at 3:15PM May 14, 2022Observed: 68.19 ft at 3:30PM May 14, 2022Observed: 68.19 ft at 3:45PM May 14, 2022Observed: 68.19 ft at 4:00PM May 14, 2022Observed: 68.19 ft at 4:15PM May 14, 2022Observed: 68.19 ft at 4:30PM May 14, 2022Observed: 68.19 ft at 4:45PM May 14, 2022Observed: 68.19 ft at 5:00PM May 14, 2022Observed: 68.19 ft at 5:15PM May 14, 2022Observed: 68.19 ft at 5:30PM May 14, 2022Observed: 68.19 ft at 5:45PM May 14, 2022Observed: 68.19 ft at 6:00PM May 14, 2022Observed: 68.19 ft at 6:15PM May 14, 2022Observed: 68.19 ft at 6:30PM May 14, 2022Observed: 68.19 ft at 6:45PM May 14, 2022Observed: 68.19 ft at 7:00PM May 14, 2022Observed: 68.19 ft at 7:15PM May 14, 2022Observed: 68.19 ft at 7:30PM May 14, 2022Observed: 68.19 ft at 7:45PM May 14, 2022Observed: 68.19 ft at 8:00PM May 14, 2022Observed: 68.19 ft at 8:15PM May 14, 2022Observed: 68.19 ft at 8:30PM May 14, 2022Observed: 68.19 ft at 8:45PM May 14, 2022Observed: 68.18 ft at 9:00PM May 14, 2022Observed: 68.18 ft at 9:15PM May 14, 2022Observed: 68.18 ft at 9:30PM May 14, 2022Observed: 68.18 ft at 9:45PM May 14, 2022Observed: 68.18 ft at 10:00PM May 14, 2022Observed: 68.18 ft at 10:15PM May 14, 2022Observed: 68.19 ft at 10:30PM May 14, 2022Observed: 68.18 ft at 10:45PM May 14, 2022Observed: 68.18 ft at 11:00PM May 14, 2022Observed: 68.18 ft at 11:15PM May 14, 2022Observed: 68.18 ft at 11:30PM May 14, 2022Observed: 68.18 ft at 11:45PM May 14, 2022Observed: 68.19 ft at 12:00AM May 15, 2022Observed: 68.18 ft at 12:15AM May 15, 2022Observed: 68.18 ft at 12:30AM May 15, 2022Observed: 68.18 ft at 12:45AM May 15, 2022Observed: 68.18 ft at 1:00AM May 15, 2022Observed: 68.18 ft at 1:15AM May 15, 2022Observed: 68.18 ft at 1:30AM May 15, 2022Observed: 68.18 ft at 1:45AM May 15, 2022Observed: 68.18 ft at 2:00AM May 15, 2022Observed: 68.18 ft at 2:15AM May 15, 2022Observed: 68.18 ft at 2:30AM May 15, 2022Observed: 68.18 ft at 2:45AM May 15, 2022Observed: 68.18 ft at 3:00AM May 15, 2022Observed: 68.18 ft at 3:15AM May 15, 2022Observed: 68.18 ft at 3:30AM May 15, 2022Observed: 68.18 ft at 3:45AM May 15, 2022Observed: 68.18 ft at 4:00AM May 15, 2022Observed: 68.18 ft at 4:15AM May 15, 2022Observed: 68.18 ft at 4:30AM May 15, 2022Observed: 68.18 ft at 4:45AM May 15, 2022Observed: 68.18 ft at 5:00AM May 15, 2022Observed: 68.18 ft at 5:15AM May 15, 2022Observed: 68.18 ft at 5:30AM May 15, 2022Observed: 68.18 ft at 5:45AM May 15, 2022Observed: 68.18 ft at 6:00AM May 15, 2022Observed: 68.18 ft at 6:15AM May 15, 2022Observed: 68.18 ft at 6:30AM May 15, 2022Observed: 68.18 ft at 6:45AM May 15, 2022Observed: 68.18 ft at 7:00AM May 15, 2022Observed: 68.18 ft at 7:15AM May 15, 2022Observed: 68.18 ft at 7:30AM May 15, 2022Observed: 68.18 ft at 7:45AM May 15, 2022Observed: 68.18 ft at 8:00AM May 15, 2022Observed: 68.18 ft at 8:15AM May 15, 2022Observed: 68.18 ft at 8:30AM May 15, 2022Observed: 68.18 ft at 8:45AM May 15, 2022Observed: 68.18 ft at 9:00AM May 15, 2022Observed: 68.18 ft at 9:15AM May 15, 2022Observed: 68.18 ft at 9:30AM May 15, 2022Observed: 68.18 ft at 9:45AM May 15, 2022Observed: 68.18 ft at 10:00AM May 15, 2022Observed: 68.18 ft at 10:15AM May 15, 2022Observed: 68.18 ft at 10:30AM May 15, 2022Observed: 68.18 ft at 10:45AM May 15, 2022Observed: 68.18 ft at 11:00AM May 15, 2022Observed: 68.18 ft at 11:15AM May 15, 2022Observed: 68.18 ft at 11:30AM May 15, 2022Observed: 68.18 ft at 11:45AM May 15, 2022Observed: 68.18 ft at 12:00PM May 15, 2022Observed: 68.18 ft at 12:15PM May 15, 2022Observed: 68.18 ft at 12:30PM May 15, 2022Observed: 68.18 ft at 12:45PM May 15, 2022Observed: 68.18 ft at 1:00PM May 15, 2022Observed: 68.18 ft at 1:15PM May 15, 2022Observed: 68.18 ft at 1:30PM May 15, 2022Observed: 68.18 ft at 1:45PM May 15, 2022Observed: 68.18 ft at 2:00PM May 15, 2022Observed: 68.18 ft at 2:15PM May 15, 2022Observed: 68.18 ft at 2:30PM May 15, 2022Observed: 68.18 ft at 2:45PM May 15, 2022Observed: 68.17 ft at 3:00PM May 15, 2022Observed: 68.17 ft at 3:15PM May 15, 2022Observed: 68.17 ft at 3:30PM May 15, 2022Observed: 68.17 ft at 3:45PM May 15, 2022Observed: 68.17 ft at 4:00PM May 15, 2022Observed: 68.17 ft at 4:15PM May 15, 2022Observed: 68.17 ft at 4:30PM May 15, 2022Observed: 68.17 ft at 4:45PM May 15, 2022Observed: 68.17 ft at 5:00PM May 15, 2022Observed: 68.17 ft at 5:15PM May 15, 2022Observed: 68.17 ft at 5:30PM May 15, 2022Observed: 68.17 ft at 5:45PM May 15, 2022Observed: 68.17 ft at 6:00PM May 15, 2022Observed: 68.17 ft at 6:15PM May 15, 2022Observed: 68.17 ft at 6:30PM May 15, 2022Observed: 68.17 ft at 6:45PM May 15, 2022Observed: 68.17 ft at 7:00PM May 15, 2022Observed: 68.17 ft at 7:15PM May 15, 2022Observed: 68.17 ft at 7:30PM May 15, 2022Observed: 68.17 ft at 7:45PM May 15, 2022Observed: 68.17 ft at 8:00PM May 15, 2022Observed: 68.17 ft at 8:15PM May 15, 2022Observed: 68.17 ft at 8:30PM May 15, 2022Observed: 68.17 ft at 8:45PM May 15, 2022Observed: 68.17 ft at 9:00PM May 15, 2022Observed: 68.17 ft at 9:15PM May 15, 2022Observed: 68.17 ft at 9:30PM May 15, 2022Observed: 68.17 ft at 9:45PM May 15, 2022Observed: 68.17 ft at 10:00PM May 15, 2022Observed: 68.17 ft at 10:15PM May 15, 2022Observed: 68.17 ft at 10:30PM May 15, 2022Observed: 68.17 ft at 10:45PM May 15, 2022Observed: 68.17 ft at 11:00PM May 15, 2022Observed: 68.17 ft at 11:15PM May 15, 2022Observed: 68.17 ft at 11:30PM May 15, 2022Observed: 68.16 ft at 11:45PM May 15, 2022Observed: 68.17 ft at 12:00AM May 16, 2022Observed: 68.16 ft at 12:15AM May 16, 2022Observed: 68.17 ft at 12:30AM May 16, 2022Observed: 68.17 ft at 12:45AM May 16, 2022Observed: 68.17 ft at 1:00AM May 16, 2022Observed: 68.17 ft at 1:15AM May 16, 2022Observed: 68.16 ft at 1:30AM May 16, 2022Observed: 68.16 ft at 1:45AM May 16, 2022Observed: 68.17 ft at 2:00AM May 16, 2022Observed: 68.16 ft at 2:15AM May 16, 2022Observed: 68.16 ft at 2:30AM May 16, 2022Observed: 68.16 ft at 2:45AM May 16, 2022Observed: 68.17 ft at 3:00AM May 16, 2022Observed: 68.16 ft at 3:15AM May 16, 2022Observed: 68.16 ft at 3:30AM May 16, 2022Observed: 68.16 ft at 3:45AM May 16, 2022Observed: 68.16 ft at 4:00AM May 16, 2022Observed: 68.16 ft at 4:15AM May 16, 2022Observed: 68.16 ft at 4:30AM May 16, 2022Observed: 68.16 ft at 4:45AM May 16, 2022Observed: 68.16 ft at 5:00AM May 16, 2022Observed: 68.16 ft at 5:15AM May 16, 2022Observed: 68.16 ft at 5:30AM May 16, 2022Observed: 68.16 ft at 5:45AM May 16, 2022Observed: 68.16 ft at 6:00AM May 16, 2022Observed: 68.16 ft at 6:15AM May 16, 2022Observed: 68.16 ft at 6:30AM May 16, 2022Observed: 68.16 ft at 6:45AM May 16, 2022Observed: 68.16 ft at 7:00AM May 16, 2022Observed: 68.16 ft at 7:15AM May 16, 2022Observed: 68.16 ft at 7:30AM May 16, 2022Observed: 68.16 ft at 7:45AM May 16, 2022Observed: 68.16 ft at 8:00AM May 16, 2022Observed: 68.16 ft at 8:15AM May 16, 2022Observed: 68.16 ft at 8:30AM May 16, 2022Observed: 68.16 ft at 8:45AM May 16, 2022Observed: 68.16 ft at 9:00AM May 16, 2022Observed: 68.16 ft at 9:15AM May 16, 2022Observed: 68.17 ft at 9:30AM May 16, 2022Observed: 68.16 ft at 9:45AM May 16, 2022Observed: 68.17 ft at 10:00AM May 16, 2022Observed: 68.16 ft at 10:15AM May 16, 2022Observed: 68.17 ft at 10:30AM May 16, 2022Observed: 68.16 ft at 10:45AM May 16, 2022Observed: 68.17 ft at 11:00AM May 16, 2022Observed: 68.16 ft at 11:15AM May 16, 2022Observed: 68.16 ft at 11:30AM May 16, 2022Observed: 68.16 ft at 11:45AM May 16, 2022Observed: 68.16 ft at 12:00PM May 16, 2022Observed: 68.16 ft at 12:15PM May 16, 2022Observed: 68.16 ft at 12:30PM May 16, 2022Observed: 68.16 ft at 12:45PM May 16, 2022Observed: 68.16 ft at 1:00PM May 16, 2022Observed: 68.16 ft at 1:15PM May 16, 2022Observed: 68.16 ft at 1:30PM May 16, 2022Observed: 68.16 ft at 1:45PM May 16, 2022Observed: 68.16 ft at 2:00PM May 16, 2022Observed: 68.16 ft at 2:15PM May 16, 2022Observed: 68.16 ft at 2:30PM May 16, 2022Observed: 68.16 ft at 2:45PM May 16, 2022Observed: 68.16 ft at 3:00PM May 16, 2022Observed: 68.16 ft at 3:15PM May 16, 2022USGS--Water Resources of the United StatesCGNC1(plotting HGIRG) Graph Created (4:00PM May 16, 2022)ObservedLatest observed value: 68.16 ft at 3:15 PM PDT 16-May-2022. Flood Stage is 75 ft
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Tabular Data (UTC)
Tabular Data (PDT)
XML Data
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Datum: NGVD29
Metadata
NOTE: Graphical forecasts are not available for the Colgan Creek near Sebastopol. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 79
Moderate Flood Stage: 76.5
Flood Stage: 75
Action Stage: 73.5
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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79 Major Flooding. Major floodplain inundation and water levels at approximately 1 foot above elevation of bridge deck on Llano Road.
76.5 Moderate Flooding. Additional floodplain and roadway inundation on Llano Road. NWS will issue a Flash Flood Warning, if not yet already issued.
75 Minor Flooding. Floodplain upstream of the Llano Road bridge on right bank (north) side begins to flood into adjacent farmland. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
73.5 Monitor Stage. Roadside ditch upstream of Llano Road bridge on the left bank (south) side begins to flood. NWS may issue a Flash Flood Watch, if not yet already issued.
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Latitude: 38.373525° N, Longitude: 122.768323° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 75 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 0 ft 75 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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