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Hydrograph River at a Glance Download
Saint Vrain Creek at Lyons Stage (ft)Observed: 3.33 ft at 10:45AM Apr 21, 2024Observed: 3.33 ft at 11:00AM Apr 21, 2024Observed: 3.33 ft at 11:15AM Apr 21, 2024Observed: 3.32 ft at 11:30AM Apr 21, 2024Observed: 3.32 ft at 11:45AM Apr 21, 2024Observed: 3.33 ft at 12:00PM Apr 21, 2024Observed: 3.32 ft at 12:15PM Apr 21, 2024Observed: 3.32 ft at 12:30PM Apr 21, 2024Observed: 3.32 ft at 12:45PM Apr 21, 2024Observed: 3.32 ft at 1:00PM Apr 21, 2024Observed: 3.32 ft at 1:15PM Apr 21, 2024Observed: 3.32 ft at 1:30PM Apr 21, 2024Observed: 3.33 ft at 1:45PM Apr 21, 2024Observed: 3.33 ft at 2:00PM Apr 21, 2024Observed: 3.33 ft at 2:15PM Apr 21, 2024Observed: 3.33 ft at 2:30PM Apr 21, 2024Observed: 3.33 ft at 2:45PM Apr 21, 2024Observed: 3.33 ft at 3:00PM Apr 21, 2024Observed: 3.33 ft at 3:15PM Apr 21, 2024Observed: 3.33 ft at 3:30PM Apr 21, 2024Observed: 3.34 ft at 3:45PM Apr 21, 2024Observed: 3.35 ft at 4:00PM Apr 21, 2024Observed: 3.37 ft at 4:15PM Apr 21, 2024Observed: 3.39 ft at 4:30PM Apr 21, 2024Observed: 3.4 ft at 4:45PM Apr 21, 2024Observed: 3.41 ft at 5:00PM Apr 21, 2024Observed: 3.41 ft at 5:15PM Apr 21, 2024Observed: 3.4 ft at 5:30PM Apr 21, 2024Observed: 3.4 ft at 5:45PM Apr 21, 2024Observed: 3.4 ft at 6:00PM Apr 21, 2024Observed: 3.4 ft at 6:15PM Apr 21, 2024Observed: 3.4 ft at 6:30PM Apr 21, 2024Observed: 3.4 ft at 6:45PM Apr 21, 2024Observed: 3.4 ft at 7:00PM Apr 21, 2024Observed: 3.4 ft at 7:15PM Apr 21, 2024Observed: 3.39 ft at 7:30PM Apr 21, 2024Observed: 3.39 ft at 7:45PM Apr 21, 2024Observed: 3.39 ft at 7:47PM Apr 21, 2024Observed: 3.39 ft at 8:00PM Apr 21, 2024Observed: 3.39 ft at 8:02PM Apr 21, 2024Observed: 3.4 ft at 8:15PM Apr 21, 2024Observed: 3.4 ft at 8:17PM Apr 21, 2024Observed: 3.4 ft at 8:30PM Apr 21, 2024Observed: 3.41 ft at 8:45PM Apr 21, 2024Observed: 3.41 ft at 9:00PM Apr 21, 2024Observed: 3.42 ft at 9:15PM Apr 21, 2024Observed: 3.42 ft at 9:30PM Apr 21, 2024Observed: 3.43 ft at 9:45PM Apr 21, 2024Observed: 3.43 ft at 10:00PM Apr 21, 2024Observed: 3.44 ft at 10:15PM Apr 21, 2024Observed: 3.45 ft at 10:30PM Apr 21, 2024Observed: 3.44 ft at 10:45PM Apr 21, 2024Observed: 3.44 ft at 11:00PM Apr 21, 2024Observed: 3.45 ft at 11:15PM Apr 21, 2024Observed: 3.45 ft at 11:30PM Apr 21, 2024Observed: 3.45 ft at 11:45PM Apr 21, 2024Observed: 3.45 ft at 12:00AM Apr 22, 2024Observed: 3.45 ft at 12:15AM Apr 22, 2024Observed: 3.46 ft at 12:30AM Apr 22, 2024Observed: 3.45 ft at 12:45AM Apr 22, 2024Observed: 3.46 ft at 1:00AM Apr 22, 2024Observed: 3.45 ft at 1:15AM Apr 22, 2024Observed: 3.45 ft at 1:30AM Apr 22, 2024Observed: 3.46 ft at 1:45AM Apr 22, 2024Observed: 3.46 ft at 2:00AM Apr 22, 2024Observed: 3.46 ft at 2:15AM Apr 22, 2024Observed: 3.46 ft at 2:30AM Apr 22, 2024Observed: 3.46 ft at 2:45AM Apr 22, 2024Observed: 3.45 ft at 3:00AM Apr 22, 2024Observed: 3.46 ft at 3:15AM Apr 22, 2024Observed: 3.45 ft at 3:30AM Apr 22, 2024Observed: 3.45 ft at 3:45AM Apr 22, 2024Observed: 3.45 ft at 4:00AM Apr 22, 2024Observed: 3.45 ft at 4:15AM Apr 22, 2024Observed: 3.44 ft at 4:30AM Apr 22, 2024Observed: 3.45 ft at 4:45AM Apr 22, 2024Observed: 3.44 ft at 5:00AM Apr 22, 2024Observed: 3.44 ft at 5:15AM Apr 22, 2024Observed: 3.44 ft at 5:30AM Apr 22, 2024Observed: 3.44 ft at 5:45AM Apr 22, 2024Observed: 3.45 ft at 6:00AM Apr 22, 2024Observed: 3.44 ft at 6:15AM Apr 22, 2024Observed: 3.44 ft at 6:30AM Apr 22, 2024Observed: 3.45 ft at 6:45AM Apr 22, 2024Observed: 3.45 ft at 7:00AM Apr 22, 2024Observed: 3.45 ft at 7:15AM Apr 22, 2024Observed: 3.45 ft at 7:30AM Apr 22, 2024Observed: 3.44 ft at 7:45AM Apr 22, 2024Observed: 3.44 ft at 7:46AM Apr 22, 2024Observed: 3.44 ft at 8:00AM Apr 22, 2024Observed: 3.44 ft at 8:01AM Apr 22, 2024Observed: 3.44 ft at 8:15AM Apr 22, 2024Observed: 3.44 ft at 8:16AM Apr 22, 2024Observed: 3.44 ft at 8:30AM Apr 22, 2024Observed: 3.43 ft at 8:45AM Apr 22, 2024Observed: 3.43 ft at 9:00AM Apr 22, 2024Observed: 3.44 ft at 9:15AM Apr 22, 2024Observed: 3.44 ft at 9:30AM Apr 22, 2024Observed: 3.43 ft at 9:45AM Apr 22, 2024Observed: 3.44 ft at 10:00AM Apr 22, 2024Observed: 3.43 ft at 10:15AM Apr 22, 2024Observed: 3.43 ft at 10:30AM Apr 22, 2024Observed: 3.44 ft at 10:45AM Apr 22, 2024Observed: 3.43 ft at 11:00AM Apr 22, 2024Observed: 3.43 ft at 11:15AM Apr 22, 2024Observed: 3.43 ft at 11:30AM Apr 22, 2024Observed: 3.43 ft at 11:45AM Apr 22, 2024Observed: 3.43 ft at 12:00PM Apr 22, 2024Observed: 3.43 ft at 12:15PM Apr 22, 2024Observed: 3.42 ft at 12:30PM Apr 22, 2024Observed: 3.42 ft at 12:45PM Apr 22, 2024Observed: 3.42 ft at 1:00PM Apr 22, 2024Observed: 3.42 ft at 1:15PM Apr 22, 2024Observed: 3.42 ft at 1:30PM Apr 22, 2024Observed: 3.41 ft at 1:45PM Apr 22, 2024Observed: 3.42 ft at 2:00PM Apr 22, 2024Observed: 3.42 ft at 2:15PM Apr 22, 2024Observed: 3.42 ft at 2:30PM Apr 22, 2024Observed: 3.42 ft at 2:45PM Apr 22, 2024Observed: 3.41 ft at 3:00PM Apr 22, 2024Observed: 3.41 ft at 3:15PM Apr 22, 2024Observed: 3.42 ft at 3:30PM Apr 22, 2024Observed: 3.42 ft at 3:45PM Apr 22, 2024Observed: 3.41 ft at 4:00PM Apr 22, 2024Observed: 3.41 ft at 4:15PM Apr 22, 2024Observed: 3.41 ft at 4:30PM Apr 22, 2024Observed: 3.41 ft at 4:45PM Apr 22, 2024Observed: 3.41 ft at 5:00PM Apr 22, 2024Observed: 3.41 ft at 5:15PM Apr 22, 2024Observed: 3.42 ft at 5:30PM Apr 22, 2024Observed: 3.42 ft at 5:45PM Apr 22, 2024Observed: 3.42 ft at 6:00PM Apr 22, 2024Observed: 3.42 ft at 6:15PM Apr 22, 2024Observed: 3.42 ft at 6:30PM Apr 22, 2024Observed: 3.42 ft at 6:45PM Apr 22, 2024Observed: 3.42 ft at 7:00PM Apr 22, 2024Observed: 3.42 ft at 7:15PM Apr 22, 2024Observed: 3.43 ft at 7:30PM Apr 22, 2024Observed: 3.43 ft at 7:45PM Apr 22, 2024Observed: 3.44 ft at 8:00PM Apr 22, 2024Observed: 3.44 ft at 8:01PM Apr 22, 2024Observed: 3.44 ft at 8:15PM Apr 22, 2024Observed: 3.44 ft at 8:16PM Apr 22, 2024Observed: 3.45 ft at 8:30PM Apr 22, 2024Observed: 3.45 ft at 8:31PM Apr 22, 2024Observed: 3.44 ft at 8:45PM Apr 22, 2024Observed: 3.46 ft at 9:00PM Apr 22, 2024Observed: 3.46 ft at 9:15PM Apr 22, 2024Observed: 3.46 ft at 9:30PM Apr 22, 2024Observed: 3.46 ft at 9:45PM Apr 22, 2024Observed: 3.47 ft at 10:00PM Apr 22, 2024Observed: 3.47 ft at 10:15PM Apr 22, 2024Observed: 3.48 ft at 10:30PM Apr 22, 2024Observed: 3.48 ft at 10:45PM Apr 22, 2024Observed: 3.48 ft at 11:00PM Apr 22, 2024Observed: 3.48 ft at 11:15PM Apr 22, 2024Observed: 3.48 ft at 11:30PM Apr 22, 2024Observed: 3.49 ft at 11:45PM Apr 22, 2024Observed: 3.48 ft at 12:00AM Apr 23, 2024Observed: 3.48 ft at 12:15AM Apr 23, 2024Observed: 3.48 ft at 12:30AM Apr 23, 2024Observed: 3.48 ft at 12:45AM Apr 23, 2024Observed: 3.48 ft at 1:00AM Apr 23, 2024Observed: 3.48 ft at 1:15AM Apr 23, 2024Observed: 3.48 ft at 1:30AM Apr 23, 2024Observed: 3.48 ft at 1:45AM Apr 23, 2024Observed: 3.48 ft at 2:00AM Apr 23, 2024Observed: 3.48 ft at 2:15AM Apr 23, 2024Observed: 3.48 ft at 2:30AM Apr 23, 2024Observed: 3.48 ft at 2:45AM Apr 23, 2024Observed: 3.48 ft at 3:00AM Apr 23, 2024Observed: 3.48 ft at 3:15AM Apr 23, 2024Observed: 3.49 ft at 3:30AM Apr 23, 2024Observed: 3.48 ft at 3:45AM Apr 23, 2024Observed: 3.48 ft at 4:00AM Apr 23, 2024Observed: 3.48 ft at 4:15AM Apr 23, 2024Observed: 3.48 ft at 4:30AM Apr 23, 2024Observed: 3.49 ft at 4:45AM Apr 23, 2024Observed: 3.48 ft at 5:00AM Apr 23, 2024Observed: 3.48 ft at 5:15AM Apr 23, 2024Observed: 3.48 ft at 5:30AM Apr 23, 2024Observed: 3.48 ft at 5:45AM Apr 23, 2024Observed: 3.48 ft at 6:00AM Apr 23, 2024Observed: 3.48 ft at 6:15AM Apr 23, 2024Observed: 3.49 ft at 6:30AM Apr 23, 2024Observed: 3.48 ft at 6:45AM Apr 23, 2024Observed: 3.49 ft at 7:00AM Apr 23, 2024Observed: 3.48 ft at 7:15AM Apr 23, 2024Observed: 3.49 ft at 7:30AM Apr 23, 2024Observed: 3.48 ft at 7:45AM Apr 23, 2024Observed: 3.49 ft at 8:00AM Apr 23, 2024Observed: 3.49 ft at 8:02AM Apr 23, 2024Observed: 3.49 ft at 8:15AM Apr 23, 2024Observed: 3.49 ft at 8:17AM Apr 23, 2024Observed: 3.49 ft at 8:30AM Apr 23, 2024Observed: 3.49 ft at 8:32AM Apr 23, 2024Observed: 3.48 ft at 8:45AM Apr 23, 2024Observed: 3.49 ft at 9:00AM Apr 23, 2024Observed: 3.48 ft at 9:15AM Apr 23, 2024Observed: 3.48 ft at 9:30AM Apr 23, 2024Observed: 3.48 ft at 9:45AM Apr 23, 2024Observed: 3.48 ft at 10:00AM Apr 23, 2024Observed: 3.48 ft at 10:15AM Apr 23, 2024Observed: 3.48 ft at 10:30AM Apr 23, 2024Observed: 3.49 ft at 10:45AM Apr 23, 2024Observed: 3.48 ft at 11:00AM Apr 23, 2024Observed: 3.48 ft at 11:15AM Apr 23, 2024Observed: 3.48 ft at 11:30AM Apr 23, 2024Observed: 3.48 ft at 11:45AM Apr 23, 2024Observed: 3.48 ft at 12:00PM Apr 23, 2024Observed: 3.48 ft at 12:15PM Apr 23, 2024Observed: 3.48 ft at 12:30PM Apr 23, 2024Observed: 3.47 ft at 12:45PM Apr 23, 2024Observed: 3.48 ft at 1:00PM Apr 23, 2024Observed: 3.48 ft at 1:15PM Apr 23, 2024Observed: 3.48 ft at 1:30PM Apr 23, 2024Observed: 3.47 ft at 1:45PM Apr 23, 2024Observed: 3.47 ft at 2:00PM Apr 23, 2024Observed: 3.47 ft at 2:15PM Apr 23, 2024Observed: 3.47 ft at 2:30PM Apr 23, 2024Observed: 3.48 ft at 2:45PM Apr 23, 2024Observed: 3.47 ft at 3:00PM Apr 23, 2024Observed: 3.47 ft at 3:15PM Apr 23, 2024Observed: 3.48 ft at 3:30PM Apr 23, 2024Observed: 3.47 ft at 3:45PM Apr 23, 2024Observed: 3.47 ft at 4:00PM Apr 23, 2024Observed: 3.47 ft at 4:15PM Apr 23, 2024Observed: 3.47 ft at 4:30PM Apr 23, 2024Observed: 3.47 ft at 4:45PM Apr 23, 2024Observed: 3.48 ft at 5:00PM Apr 23, 2024Observed: 3.48 ft at 5:15PM Apr 23, 2024Observed: 3.48 ft at 5:30PM Apr 23, 2024Observed: 3.48 ft at 5:45PM Apr 23, 2024Observed: 3.47 ft at 6:00PM Apr 23, 2024Observed: 3.48 ft at 6:15PM Apr 23, 2024Observed: 3.48 ft at 6:30PM Apr 23, 2024Observed: 3.48 ft at 6:45PM Apr 23, 2024Observed: 3.48 ft at 7:00PM Apr 23, 2024Observed: 3.48 ft at 7:15PM Apr 23, 2024Observed: 3.49 ft at 7:30PM Apr 23, 2024Observed: 3.49 ft at 7:45PM Apr 23, 2024Observed: 3.48 ft at 8:00PM Apr 23, 2024Observed: 3.48 ft at 8:01PM Apr 23, 2024Observed: 3.49 ft at 8:15PM Apr 23, 2024Observed: 3.49 ft at 8:16PM Apr 23, 2024Observed: 3.49 ft at 8:30PM Apr 23, 2024Observed: 3.49 ft at 8:31PM Apr 23, 2024Observed: 3.49 ft at 8:45PM Apr 23, 2024Observed: 3.49 ft at 9:00PM Apr 23, 2024Observed: 3.49 ft at 9:15PM Apr 23, 2024Observed: 3.49 ft at 9:30PM Apr 23, 2024Observed: 3.49 ft at 9:45PM Apr 23, 2024Observed: 3.49 ft at 10:00PM Apr 23, 2024Observed: 3.49 ft at 10:15PM Apr 23, 2024Observed: 3.49 ft at 10:30PM Apr 23, 2024Observed: 3.49 ft at 10:45PM Apr 23, 2024Observed: 3.49 ft at 11:00PM Apr 23, 2024Observed: 3.49 ft at 11:15PM Apr 23, 2024Observed: 3.5 ft at 11:30PM Apr 23, 2024Observed: 3.5 ft at 11:45PM Apr 23, 2024Observed: 3.5 ft at 12:00AM Apr 24, 2024Observed: 3.5 ft at 12:15AM Apr 24, 2024Observed: 3.5 ft at 12:30AM Apr 24, 2024Observed: 3.5 ft at 12:45AM Apr 24, 2024Observed: 3.5 ft at 1:00AM Apr 24, 2024Observed: 3.5 ft at 1:15AM Apr 24, 2024Observed: 3.5 ft at 1:30AM Apr 24, 2024Observed: 3.5 ft at 1:45AM Apr 24, 2024Observed: 3.5 ft at 2:00AM Apr 24, 2024Observed: 3.51 ft at 2:15AM Apr 24, 2024Observed: 3.5 ft at 2:30AM Apr 24, 2024Observed: 3.5 ft at 2:45AM Apr 24, 2024Observed: 3.5 ft at 3:00AM Apr 24, 2024Observed: 3.51 ft at 3:15AM Apr 24, 2024Observed: 3.5 ft at 3:30AM Apr 24, 2024Observed: 3.5 ft at 3:45AM Apr 24, 2024Observed: 3.51 ft at 4:00AM Apr 24, 2024Observed: 3.51 ft at 4:15AM Apr 24, 2024Observed: 3.51 ft at 4:30AM Apr 24, 2024Observed: 3.51 ft at 4:45AM Apr 24, 2024Observed: 3.5 ft at 5:00AM Apr 24, 2024Observed: 3.5 ft at 5:15AM Apr 24, 2024Observed: 3.5 ft at 5:30AM Apr 24, 2024Observed: 3.51 ft at 5:45AM Apr 24, 2024Observed: 3.5 ft at 6:00AM Apr 24, 2024Observed: 3.5 ft at 6:15AM Apr 24, 2024Observed: 3.5 ft at 6:30AM Apr 24, 2024Observed: 3.5 ft at 6:45AM Apr 24, 2024Observed: 3.5 ft at 7:00AM Apr 24, 2024Observed: 3.5 ft at 7:15AM Apr 24, 2024Observed: 3.5 ft at 7:30AM Apr 24, 2024Observed: 3.5 ft at 7:45AM Apr 24, 2024Observed: 3.5 ft at 8:00AM Apr 24, 2024Observed: 3.5 ft at 8:02AM Apr 24, 2024Observed: 3.51 ft at 8:15AM Apr 24, 2024Observed: 3.51 ft at 8:17AM Apr 24, 2024Observed: 3.5 ft at 8:30AM Apr 24, 2024Observed: 3.5 ft at 8:32AM Apr 24, 2024Observed: 3.51 ft at 8:45AM Apr 24, 2024Observed: 3.5 ft at 9:00AM Apr 24, 2024Observed: 3.51 ft at 9:15AM Apr 24, 2024Observed: 3.51 ft at 9:30AM Apr 24, 2024Observed: 3.5 ft at 9:45AM Apr 24, 2024Observed: 3.51 ft at 10:00AM Apr 24, 2024Observed: 3.5 ft at 10:15AM Apr 24, 2024Observed: 3.51 ft at 10:30AM Apr 24, 2024Observed: 3.51 ft at 10:45AM Apr 24, 2024Observed: 3.5 ft at 11:00AM Apr 24, 2024Observed: 3.51 ft at 11:15AM Apr 24, 2024Observed: 3.51 ft at 11:30AM Apr 24, 2024Observed: 3.5 ft at 11:45AM Apr 24, 2024Observed: 3.51 ft at 12:00PM Apr 24, 2024Observed: 3.5 ft at 12:15PM Apr 24, 2024Observed: 3.5 ft at 12:30PM Apr 24, 2024Observed: 3.5 ft at 12:45PM Apr 24, 2024Observed: 3.5 ft at 1:00PM Apr 24, 2024Observed: 3.5 ft at 1:15PM Apr 24, 2024Observed: 3.5 ft at 1:30PM Apr 24, 2024Observed: 3.5 ft at 1:45PM Apr 24, 2024Observed: 3.5 ft at 2:00PM Apr 24, 2024Observed: 3.5 ft at 2:15PM Apr 24, 2024Observed: 3.5 ft at 2:30PM Apr 24, 2024Observed: 3.49 ft at 2:45PM Apr 24, 2024Observed: 3.5 ft at 3:00PM Apr 24, 2024Observed: 3.5 ft at 3:15PM Apr 24, 2024Observed: 3.5 ft at 3:30PM Apr 24, 2024Observed: 3.5 ft at 3:45PM Apr 24, 2024Observed: 3.5 ft at 4:00PM Apr 24, 2024Observed: 3.49 ft at 4:15PM Apr 24, 2024Observed: 3.5 ft at 4:30PM Apr 24, 2024Observed: 3.5 ft at 4:45PM Apr 24, 2024Observed: 3.5 ft at 5:00PM Apr 24, 2024Observed: 3.49 ft at 5:15PM Apr 24, 2024Observed: 3.5 ft at 5:30PM Apr 24, 2024Observed: 3.49 ft at 5:45PM Apr 24, 2024Observed: 3.49 ft at 6:00PM Apr 24, 2024Observed: 3.5 ft at 6:15PM Apr 24, 2024Observed: 3.5 ft at 6:30PM Apr 24, 2024Observed: 3.5 ft at 6:45PM Apr 24, 2024Observed: 3.5 ft at 7:00PM Apr 24, 2024Observed: 3.5 ft at 7:15PM Apr 24, 2024Observed: 3.5 ft at 7:30PM Apr 24, 2024Observed: 3.5 ft at 7:45PM Apr 24, 2024Observed: 3.49 ft at 8:00PM Apr 24, 2024Observed: 3.49 ft at 8:01PM Apr 24, 2024Observed: 3.5 ft at 8:15PM Apr 24, 2024Observed: 3.5 ft at 8:16PM Apr 24, 2024Observed: 3.5 ft at 8:30PM Apr 24, 2024Observed: 3.5 ft at 8:31PM Apr 24, 2024Observed: 3.5 ft at 8:45PM Apr 24, 2024Observed: 3.5 ft at 9:00PM Apr 24, 2024Observed: 3.51 ft at 9:15PM Apr 24, 2024Observed: 3.54 ft at 9:30PM Apr 24, 2024Observed: 3.55 ft at 9:45PM Apr 24, 2024Observed: 3.56 ft at 10:00PM Apr 24, 2024Observed: 3.56 ft at 10:15PM Apr 24, 2024Observed: 3.57 ft at 10:30PM Apr 24, 2024Observed: 3.57 ft at 10:45PM Apr 24, 2024Observed: 3.58 ft at 11:00PM Apr 24, 2024Observed: 3.58 ft at 11:15PM Apr 24, 2024Observed: 3.57 ft at 11:30PM Apr 24, 2024Observed: 3.58 ft at 11:45PM Apr 24, 2024Observed: 3.58 ft at 12:00AM Apr 25, 2024Observed: 3.58 ft at 12:15AM Apr 25, 2024Observed: 3.58 ft at 12:30AM Apr 25, 2024Observed: 3.58 ft at 12:45AM Apr 25, 2024Observed: 3.59 ft at 1:00AM Apr 25, 2024Observed: 3.58 ft at 1:15AM Apr 25, 2024Observed: 3.59 ft at 1:30AM Apr 25, 2024Observed: 3.59 ft at 1:45AM Apr 25, 2024Observed: 3.58 ft at 2:00AM Apr 25, 2024Observed: 3.59 ft at 2:15AM Apr 25, 2024Observed: 3.59 ft at 2:30AM Apr 25, 2024Observed: 3.58 ft at 2:45AM Apr 25, 2024Observed: 3.59 ft at 3:00AM Apr 25, 2024Highest Observation: 3.6 ft at 3:15AM Apr 25, 2024Observed: 3.59 ft at 3:30AM Apr 25, 2024Observed: 3.59 ft at 3:45AM Apr 25, 2024Observed: 3.59 ft at 4:00AM Apr 25, 2024Observed: 3.59 ft at 4:15AM Apr 25, 2024Highest Observation: 3.6 ft at 4:30AM Apr 25, 2024Highest Observation: 3.6 ft at 4:45AM Apr 25, 2024Observed: 3.59 ft at 5:00AM Apr 25, 2024Highest Observation: 3.6 ft at 5:15AM Apr 25, 2024Highest Observation: 3.6 ft at 5:30AM Apr 25, 2024Highest Observation: 3.6 ft at 5:45AM Apr 25, 2024Observed: 3.59 ft at 6:00AM Apr 25, 2024Highest Observation: 3.6 ft at 6:15AM Apr 25, 2024Observed: 3.59 ft at 6:30AM Apr 25, 2024Observed: 3.59 ft at 6:45AM Apr 25, 2024Highest Observation: 3.6 ft at 7:00AM Apr 25, 2024Observed: 3.59 ft at 7:15AM Apr 25, 2024Observed: 3.59 ft at 7:30AM Apr 25, 2024Observed: 3.59 ft at 7:45AM Apr 25, 2024Observed: 3.59 ft at 8:00AM Apr 25, 2024Observed: 3.59 ft at 8:01AM Apr 25, 2024Highest Observation: 3.6 ft at 8:15AM Apr 25, 2024Highest Observation: 3.6 ft at 8:16AM Apr 25, 2024Highest Observation: 3.6 ft at 8:30AM Apr 25, 2024Highest Observation: 3.6 ft at 8:31AM Apr 25, 2024Observed: 3.59 ft at 8:45AM Apr 25, 2024Observed: 3.59 ft at 9:00AM Apr 25, 2024Highest Observation: 3.6 ft at 9:15AM Apr 25, 2024Observed: 3.59 ft at 9:30AM Apr 25, 2024Observed: 3.59 ft at 9:45AM Apr 25, 2024Observed: 3.59 ft at 10:00AM Apr 25, 2024Observed: 3.59 ft at 10:15AM Apr 25, 2024Observed: 3.59 ft at 10:30AM Apr 25, 2024Highest Observation: 3.6 ft at 10:45AM Apr 25, 2024Observed: 3.59 ft at 11:00AM Apr 25, 2024Observed: 3.59 ft at 11:15AM Apr 25, 2024Observed: 3.58 ft at 11:30AM Apr 25, 2024Observed: 3.59 ft at 11:45AM Apr 25, 2024Observed: 3.58 ft at 12:00PM Apr 25, 2024Observed: 3.58 ft at 12:15PM Apr 25, 2024Observed: 3.58 ft at 12:30PM Apr 25, 2024Observed: 3.58 ft at 12:45PM Apr 25, 2024Observed: 3.58 ft at 1:00PM Apr 25, 2024Observed: 3.58 ft at 1:15PM Apr 25, 2024Observed: 3.58 ft at 1:30PM Apr 25, 2024Observed: 3.58 ft at 1:45PM Apr 25, 2024Observed: 3.58 ft at 2:00PM Apr 25, 2024Observed: 3.58 ft at 2:15PM Apr 25, 2024Observed: 3.58 ft at 2:30PM Apr 25, 2024Observed: 3.58 ft at 2:45PM Apr 25, 2024Observed: 3.58 ft at 3:00PM Apr 25, 2024Observed: 3.58 ft at 3:15PM Apr 25, 2024Observed: 3.58 ft at 3:30PM Apr 25, 2024Observed: 3.57 ft at 3:45PM Apr 25, 2024Observed: 3.57 ft at 4:00PM Apr 25, 2024Observed: 3.57 ft at 4:15PM Apr 25, 2024Observed: 3.57 ft at 4:30PM Apr 25, 2024Observed: 3.57 ft at 4:45PM Apr 25, 2024Observed: 3.58 ft at 5:00PM Apr 25, 2024Observed: 3.58 ft at 5:15PM Apr 25, 2024Observed: 3.57 ft at 5:30PM Apr 25, 2024Observed: 3.57 ft at 5:45PM Apr 25, 2024Observed: 3.57 ft at 6:00PM Apr 25, 2024Observed: 3.57 ft at 6:15PM Apr 25, 2024Observed: 3.58 ft at 6:30PM Apr 25, 2024Observed: 3.58 ft at 6:45PM Apr 25, 2024Observed: 3.58 ft at 7:00PM Apr 25, 2024Observed: 3.58 ft at 7:15PM Apr 25, 2024Observed: 3.57 ft at 7:30PM Apr 25, 2024Observed: 3.57 ft at 7:45PM Apr 25, 2024Observed: 3.57 ft at 8:00PM Apr 25, 2024Observed: 3.57 ft at 8:15PM Apr 25, 2024Observed: 3.57 ft at 8:30PM Apr 25, 2024Observed: 3.57 ft at 8:45PM Apr 25, 2024Observed: 3.58 ft at 9:00PM Apr 25, 2024Observed: 3.58 ft at 9:15PM Apr 25, 2024Observed: 3.58 ft at 9:30PM Apr 25, 2024Observed: 3.58 ft at 9:45PM Apr 25, 2024Observed: 3.57 ft at 10:00PM Apr 25, 2024Observed: 3.58 ft at 10:15PM Apr 25, 2024Observed: 3.57 ft at 10:30PM Apr 25, 2024Observed: 3.58 ft at 10:45PM Apr 25, 2024Observed: 3.58 ft at 11:00PM Apr 25, 2024Observed: 3.58 ft at 11:15PM Apr 25, 2024Observed: 3.58 ft at 11:30PM Apr 25, 2024Observed: 3.58 ft at 11:45PM Apr 25, 2024Observed: 3.59 ft at 12:00AM Apr 26, 2024Observed: 3.58 ft at 12:15AM Apr 26, 2024Observed: 3.58 ft at 12:30AM Apr 26, 2024Observed: 3.59 ft at 12:45AM Apr 26, 2024Observed: 3.59 ft at 1:00AM Apr 26, 2024Observed: 3.59 ft at 1:15AM Apr 26, 2024Observed: 3.58 ft at 1:30AM Apr 26, 2024Observed: 3.58 ft at 1:45AM Apr 26, 2024Observed: 3.58 ft at 2:00AM Apr 26, 2024Observed: 3.59 ft at 2:15AM Apr 26, 2024Observed: 3.59 ft at 2:30AM Apr 26, 2024Observed: 3.59 ft at 2:45AM Apr 26, 2024Observed: 3.59 ft at 3:00AM Apr 26, 2024Observed: 3.59 ft at 3:15AM Apr 26, 2024Observed: 3.58 ft at 3:30AM Apr 26, 2024Observed: 3.58 ft at 3:45AM Apr 26, 2024Observed: 3.59 ft at 4:00AM Apr 26, 2024Observed: 3.59 ft at 4:15AM Apr 26, 2024Observed: 3.59 ft at 4:30AM Apr 26, 2024Observed: 3.59 ft at 4:45AM Apr 26, 2024Observed: 3.59 ft at 5:00AM Apr 26, 2024Observed: 3.59 ft at 5:15AM Apr 26, 2024Observed: 3.58 ft at 5:30AM Apr 26, 2024Observed: 3.59 ft at 5:45AM Apr 26, 2024Observed: 3.59 ft at 6:00AM Apr 26, 2024Observed: 3.59 ft at 6:15AM Apr 26, 2024Observed: 3.59 ft at 6:30AM Apr 26, 2024Observed: 3.59 ft at 6:45AM Apr 26, 2024Observed: 3.59 ft at 7:00AM Apr 26, 2024Observed: 3.59 ft at 7:15AM Apr 26, 2024Observed: 3.59 ft at 7:30AM Apr 26, 2024Observed: 3.58 ft at 7:45AM Apr 26, 2024Observed: 3.58 ft at 8:00AM Apr 26, 2024Observed: 3.58 ft at 8:02AM Apr 26, 2024Observed: 3.58 ft at 8:15AM Apr 26, 2024Observed: 3.58 ft at 8:17AM Apr 26, 2024Observed: 3.59 ft at 8:30AM Apr 26, 2024Observed: 3.59 ft at 8:32AM Apr 26, 2024Observed: 3.59 ft at 8:45AM Apr 26, 2024Observed: 3.59 ft at 9:00AM Apr 26, 2024Observed: 3.59 ft at 9:15AM Apr 26, 2024Colorado Division of Water ResourcesLNSC2(plotting HGIRG) Graph Created (10:30AM Apr 26, 2024)ObservedLatest observed value: 3.59 ft at 9:15 AM MDT 26-Apr-2024. Flood Stage is 8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Saint Vrain Creek at Lyons are issued as needed during times of high water, but are not routinely available.
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Downstream Gauge Downstream Gauge - at Hygiene
Flood Categories (in feet)
Major Flood Stage: 10.5
Moderate Flood Stage: 9.5
Flood Stage: 8
Action Stage: 7.5
Low Stage (in feet): -9999

Historic Crests
(1) 13.00 ft on 09/12/2013
(2) 7.53 ft on 06/01/2014
(3) 7.06 ft on 06/12/2015
(4) 6.19 ft on 06/13/2016
(5) 5.36 ft on 06/07/2021
(6) 5.24 ft on 06/18/2017
(7) 5.15 ft on 07/02/2019
(8) 4.39 ft on 05/28/2018
(9) 4.37 ft on 06/04/2020

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.36 ft on 06/07/2021
(2) 4.37 ft on 06/04/2020
(3) 5.15 ft on 07/02/2019
(4) 4.39 ft on 05/28/2018
(5) 5.24 ft on 06/18/2017
(6) 6.19 ft on 06/13/2016
(7) 7.06 ft on 06/12/2015
(8) 7.53 ft on 06/01/2014
(9) 13.00 ft on 09/12/2013

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:13
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Gauge LocationGauge Map Marker
 Disclaimer
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
If you notice any errors in the below information, please contact our Webmaster
12 This is an extreme, life threatening flood. Roads crossing the creek downstream through Longmont and all highways into Lyons will likely be flooded and impassable.
11 This is a major, life threatening flood. There is extensive flooding from Lyons downstream through Longmont impacting numerous roads and structures.
10.5 Houses and businesses along the creek from Lyons downstream through Longmont flood as do roads along and crossing Saint Vrain Creek.
10 A number of roads along and crossing Saint Vrain Creek in Lyons are impacted by flooding. Water overtops driveways and parking lots near Main Street in Longmont.
9.5 Flooding affects a significant area in Lyons with a number of houses along the creek impacted. Saint Vrain Creek floods low lying areas downstream in Longmont.
9 Several houses east of 2nd Avenue in Lyons flood.
8.5 Structures flood in low lying areas next to Saint Vrain Creek in Lyons. Lowland and meadow flooding occur along the creek downstream through western Longmont.
8 The creek rises to the base of structures and yards flood east of the 2nd Avenue bridge in Lyons.
7.5 There is lowland and meadow flooding in and downstream of Lyons.
Photos
(1) Looking Upstream
(2) Looking Downstream
About This Location Collapse

Latitude: 40.217900° N, Longitude: 105.260300° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 5289.14 5297.14 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Observations provided by the Colorado Division of Water Resources
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
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