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Hydrograph River at a Glance Download
Saint Vrain Creek at Lyons Stage (ft)Observed: 3.34 ft at 2:15PM Jul 31, 2020Observed: 3.34 ft at 2:30PM Jul 31, 2020Observed: 3.33 ft at 2:45PM Jul 31, 2020Observed: 3.33 ft at 3:00PM Jul 31, 2020Observed: 3.33 ft at 3:15PM Jul 31, 2020Observed: 3.32 ft at 3:30PM Jul 31, 2020Observed: 3.33 ft at 3:45PM Jul 31, 2020Observed: 3.33 ft at 4:00PM Jul 31, 2020Observed: 3.33 ft at 4:15PM Jul 31, 2020Observed: 3.33 ft at 4:30PM Jul 31, 2020Observed: 3.33 ft at 4:45PM Jul 31, 2020Observed: 3.33 ft at 5:00PM Jul 31, 2020Observed: 3.33 ft at 5:15PM Jul 31, 2020Observed: 3.37 ft at 5:30PM Jul 31, 2020Observed: 3.37 ft at 5:31PM Jul 31, 2020Highest Observation: 3.42 ft at 5:45PM Jul 31, 2020Highest Observation: 3.42 ft at 5:46PM Jul 31, 2020Observed: 3.37 ft at 6:00PM Jul 31, 2020Observed: 3.37 ft at 6:01PM Jul 31, 2020Observed: 3.36 ft at 6:15PM Jul 31, 2020Observed: 3.36 ft at 6:30PM Jul 31, 2020Observed: 3.36 ft at 6:45PM Jul 31, 2020Observed: 3.36 ft at 7:00PM Jul 31, 2020Observed: 3.34 ft at 7:15PM Jul 31, 2020Observed: 3.34 ft at 7:30PM Jul 31, 2020Observed: 3.34 ft at 7:45PM Jul 31, 2020Observed: 3.34 ft at 8:00PM Jul 31, 2020Observed: 3.34 ft at 8:15PM Jul 31, 2020Observed: 3.34 ft at 8:30PM Jul 31, 2020Observed: 3.34 ft at 8:45PM Jul 31, 2020Observed: 3.34 ft at 9:00PM Jul 31, 2020Observed: 3.34 ft at 9:15PM Jul 31, 2020Observed: 3.34 ft at 9:30PM Jul 31, 2020Observed: 3.35 ft at 9:45PM Jul 31, 2020Observed: 3.35 ft at 10:00PM Jul 31, 2020Observed: 3.34 ft at 10:15PM Jul 31, 2020Observed: 3.34 ft at 10:30PM Jul 31, 2020Observed: 3.35 ft at 10:45PM Jul 31, 2020Observed: 3.35 ft at 11:00PM Jul 31, 2020Observed: 3.35 ft at 11:15PM Jul 31, 2020Observed: 3.35 ft at 11:30PM Jul 31, 2020Observed: 3.34 ft at 11:45PM Jul 31, 2020Observed: 3.34 ft at 12:00AM Aug 01, 2020Observed: 3.35 ft at 12:15AM Aug 01, 2020Observed: 3.34 ft at 12:30AM Aug 01, 2020Observed: 3.34 ft at 12:45AM Aug 01, 2020Observed: 3.34 ft at 1:00AM Aug 01, 2020Observed: 3.34 ft at 1:15AM Aug 01, 2020Observed: 3.34 ft at 1:30AM Aug 01, 2020Observed: 3.34 ft at 1:45AM Aug 01, 2020Observed: 3.33 ft at 2:00AM Aug 01, 2020Observed: 3.34 ft at 2:15AM Aug 01, 2020Observed: 3.33 ft at 2:30AM Aug 01, 2020Observed: 3.34 ft at 2:45AM Aug 01, 2020Observed: 3.33 ft at 3:00AM Aug 01, 2020Observed: 3.33 ft at 3:15AM Aug 01, 2020Observed: 3.34 ft at 3:30AM Aug 01, 2020Observed: 3.33 ft at 3:45AM Aug 01, 2020Observed: 3.33 ft at 4:00AM Aug 01, 2020Observed: 3.33 ft at 4:15AM Aug 01, 2020Observed: 3.33 ft at 4:30AM Aug 01, 2020Observed: 3.33 ft at 4:45AM Aug 01, 2020Observed: 3.33 ft at 5:00AM Aug 01, 2020Observed: 3.33 ft at 5:15AM Aug 01, 2020Observed: 3.33 ft at 5:30AM Aug 01, 2020Observed: 3.33 ft at 5:31AM Aug 01, 2020Observed: 3.33 ft at 5:45AM Aug 01, 2020Observed: 3.33 ft at 5:46AM Aug 01, 2020Observed: 3.33 ft at 6:00AM Aug 01, 2020Observed: 3.33 ft at 6:01AM Aug 01, 2020Observed: 3.33 ft at 6:15AM Aug 01, 2020Observed: 3.33 ft at 6:30AM Aug 01, 2020Observed: 3.33 ft at 6:45AM Aug 01, 2020Observed: 3.33 ft at 7:00AM Aug 01, 2020Observed: 3.33 ft at 7:15AM Aug 01, 2020Observed: 3.33 ft at 7:30AM Aug 01, 2020Observed: 3.33 ft at 7:45AM Aug 01, 2020Observed: 3.33 ft at 8:00AM Aug 01, 2020Observed: 3.33 ft at 8:15AM Aug 01, 2020Observed: 3.33 ft at 8:30AM Aug 01, 2020Observed: 3.32 ft at 8:45AM Aug 01, 2020Observed: 3.33 ft at 9:00AM Aug 01, 2020Observed: 3.33 ft at 9:15AM Aug 01, 2020Observed: 3.32 ft at 9:30AM Aug 01, 2020Observed: 3.32 ft at 9:45AM Aug 01, 2020Observed: 3.33 ft at 10:00AM Aug 01, 2020Observed: 3.32 ft at 10:15AM Aug 01, 2020Observed: 3.33 ft at 10:30AM Aug 01, 2020Observed: 3.32 ft at 10:45AM Aug 01, 2020Observed: 3.32 ft at 11:00AM Aug 01, 2020Observed: 3.32 ft at 11:15AM Aug 01, 2020Observed: 3.32 ft at 11:30AM Aug 01, 2020Observed: 3.32 ft at 11:45AM Aug 01, 2020Observed: 3.32 ft at 12:00PM Aug 01, 2020Observed: 3.32 ft at 12:15PM Aug 01, 2020Observed: 3.32 ft at 12:30PM Aug 01, 2020Observed: 3.32 ft at 12:45PM Aug 01, 2020Observed: 3.31 ft at 1:00PM Aug 01, 2020Observed: 3.32 ft at 1:15PM Aug 01, 2020Observed: 3.32 ft at 1:30PM Aug 01, 2020Observed: 3.32 ft at 1:45PM Aug 01, 2020Observed: 3.31 ft at 2:00PM Aug 01, 2020Observed: 3.32 ft at 2:15PM Aug 01, 2020Observed: 3.31 ft at 2:30PM Aug 01, 2020Observed: 3.32 ft at 2:45PM Aug 01, 2020Observed: 3.32 ft at 3:00PM Aug 01, 2020Observed: 3.31 ft at 3:15PM Aug 01, 2020Observed: 3.31 ft at 3:30PM Aug 01, 2020Observed: 3.31 ft at 3:45PM Aug 01, 2020Observed: 3.31 ft at 4:00PM Aug 01, 2020Observed: 3.31 ft at 4:15PM Aug 01, 2020Observed: 3.31 ft at 4:30PM Aug 01, 2020Observed: 3.31 ft at 4:45PM Aug 01, 2020Observed: 3.31 ft at 5:00PM Aug 01, 2020Observed: 3.31 ft at 5:15PM Aug 01, 2020Observed: 3.31 ft at 5:30PM Aug 01, 2020Observed: 3.31 ft at 5:31PM Aug 01, 2020Observed: 3.31 ft at 5:45PM Aug 01, 2020Observed: 3.31 ft at 5:46PM Aug 01, 2020Observed: 3.3 ft at 6:00PM Aug 01, 2020Observed: 3.3 ft at 6:01PM Aug 01, 2020Observed: 3.3 ft at 6:15PM Aug 01, 2020Observed: 3.3 ft at 6:30PM Aug 01, 2020Observed: 3.31 ft at 6:45PM Aug 01, 2020Observed: 3.31 ft at 7:00PM Aug 01, 2020Observed: 3.31 ft at 7:15PM Aug 01, 2020Observed: 3.31 ft at 7:30PM Aug 01, 2020Observed: 3.31 ft at 7:45PM Aug 01, 2020Observed: 3.31 ft at 8:00PM Aug 01, 2020Observed: 3.31 ft at 8:15PM Aug 01, 2020Observed: 3.3 ft at 8:30PM Aug 01, 2020Observed: 3.31 ft at 8:45PM Aug 01, 2020Observed: 3.31 ft at 9:00PM Aug 01, 2020Observed: 3.31 ft at 9:15PM Aug 01, 2020Observed: 3.31 ft at 9:30PM Aug 01, 2020Observed: 3.31 ft at 9:45PM Aug 01, 2020Observed: 3.31 ft at 10:00PM Aug 01, 2020Observed: 3.31 ft at 10:15PM Aug 01, 2020Observed: 3.32 ft at 10:30PM Aug 01, 2020Observed: 3.31 ft at 10:45PM Aug 01, 2020Observed: 3.32 ft at 11:00PM Aug 01, 2020Observed: 3.31 ft at 11:15PM Aug 01, 2020Observed: 3.32 ft at 11:30PM Aug 01, 2020Observed: 3.32 ft at 11:45PM Aug 01, 2020Observed: 3.32 ft at 12:00AM Aug 02, 2020Observed: 3.32 ft at 12:15AM Aug 02, 2020Observed: 3.32 ft at 12:30AM Aug 02, 2020Observed: 3.32 ft at 12:45AM Aug 02, 2020Observed: 3.32 ft at 1:00AM Aug 02, 2020Observed: 3.32 ft at 1:15AM Aug 02, 2020Observed: 3.32 ft at 1:30AM Aug 02, 2020Observed: 3.31 ft at 1:45AM Aug 02, 2020Observed: 3.31 ft at 2:00AM Aug 02, 2020Observed: 3.31 ft at 2:15AM Aug 02, 2020Observed: 3.32 ft at 2:30AM Aug 02, 2020Observed: 3.31 ft at 2:45AM Aug 02, 2020Observed: 3.32 ft at 3:00AM Aug 02, 2020Observed: 3.31 ft at 3:15AM Aug 02, 2020Observed: 3.32 ft at 3:30AM Aug 02, 2020Observed: 3.33 ft at 3:45AM Aug 02, 2020Observed: 3.33 ft at 4:00AM Aug 02, 2020Observed: 3.32 ft at 4:15AM Aug 02, 2020Observed: 3.32 ft at 4:30AM Aug 02, 2020Observed: 3.32 ft at 4:45AM Aug 02, 2020Observed: 3.32 ft at 5:00AM Aug 02, 2020Observed: 3.31 ft at 5:15AM Aug 02, 2020Observed: 3.31 ft at 5:30AM Aug 02, 2020Observed: 3.31 ft at 5:45AM Aug 02, 2020Observed: 3.31 ft at 6:00AM Aug 02, 2020Observed: 3.31 ft at 6:15AM Aug 02, 2020Observed: 3.31 ft at 6:30AM Aug 02, 2020Observed: 3.31 ft at 6:45AM Aug 02, 2020Observed: 3.31 ft at 7:00AM Aug 02, 2020Observed: 3.31 ft at 7:15AM Aug 02, 2020Observed: 3.31 ft at 7:30AM Aug 02, 2020Observed: 3.31 ft at 7:45AM Aug 02, 2020Observed: 3.31 ft at 8:00AM Aug 02, 2020Observed: 3.31 ft at 8:15AM Aug 02, 2020Observed: 3.31 ft at 8:30AM Aug 02, 2020Observed: 3.3 ft at 8:45AM Aug 02, 2020Observed: 3.31 ft at 9:00AM Aug 02, 2020Observed: 3.3 ft at 9:15AM Aug 02, 2020Observed: 3.3 ft at 9:30AM Aug 02, 2020Observed: 3.29 ft at 9:45AM Aug 02, 2020Observed: 3.28 ft at 10:00AM Aug 02, 2020Observed: 3.28 ft at 10:15AM Aug 02, 2020Observed: 3.28 ft at 10:30AM Aug 02, 2020Observed: 3.28 ft at 10:45AM Aug 02, 2020Observed: 3.28 ft at 11:00AM Aug 02, 2020Observed: 3.28 ft at 11:15AM Aug 02, 2020Observed: 3.27 ft at 11:30AM Aug 02, 2020Observed: 3.27 ft at 11:45AM Aug 02, 2020Observed: 3.27 ft at 12:00PM Aug 02, 2020Observed: 3.27 ft at 12:15PM Aug 02, 2020Observed: 3.27 ft at 12:30PM Aug 02, 2020Observed: 3.27 ft at 12:45PM Aug 02, 2020Observed: 3.26 ft at 1:00PM Aug 02, 2020Observed: 3.26 ft at 1:15PM Aug 02, 2020Observed: 3.25 ft at 1:30PM Aug 02, 2020Observed: 3.26 ft at 1:45PM Aug 02, 2020Observed: 3.26 ft at 2:00PM Aug 02, 2020Observed: 3.26 ft at 2:15PM Aug 02, 2020Observed: 3.26 ft at 2:30PM Aug 02, 2020Observed: 3.26 ft at 2:45PM Aug 02, 2020Observed: 3.26 ft at 3:00PM Aug 02, 2020Observed: 3.26 ft at 3:15PM Aug 02, 2020Observed: 3.26 ft at 3:30PM Aug 02, 2020Observed: 3.26 ft at 3:45PM Aug 02, 2020Observed: 3.26 ft at 4:00PM Aug 02, 2020Observed: 3.26 ft at 4:15PM Aug 02, 2020Observed: 3.26 ft at 4:30PM Aug 02, 2020Observed: 3.26 ft at 4:45PM Aug 02, 2020Observed: 3.26 ft at 5:00PM Aug 02, 2020Observed: 3.26 ft at 5:15PM Aug 02, 2020Observed: 3.25 ft at 5:30PM Aug 02, 2020Observed: 3.25 ft at 5:45PM Aug 02, 2020Observed: 3.25 ft at 5:47PM Aug 02, 2020Observed: 3.25 ft at 6:00PM Aug 02, 2020Observed: 3.25 ft at 6:02PM Aug 02, 2020Observed: 3.25 ft at 6:15PM Aug 02, 2020Observed: 3.25 ft at 6:17PM Aug 02, 2020Observed: 3.25 ft at 6:30PM Aug 02, 2020Observed: 3.25 ft at 6:45PM Aug 02, 2020Observed: 3.25 ft at 7:00PM Aug 02, 2020Observed: 3.25 ft at 7:15PM Aug 02, 2020Observed: 3.25 ft at 7:30PM Aug 02, 2020Observed: 3.25 ft at 7:45PM Aug 02, 2020Observed: 3.25 ft at 8:00PM Aug 02, 2020Observed: 3.25 ft at 8:15PM Aug 02, 2020Observed: 3.25 ft at 8:30PM Aug 02, 2020Observed: 3.25 ft at 8:45PM Aug 02, 2020Observed: 3.25 ft at 9:00PM Aug 02, 2020Observed: 3.25 ft at 9:15PM Aug 02, 2020Observed: 3.25 ft at 9:30PM Aug 02, 2020Observed: 3.25 ft at 9:45PM Aug 02, 2020Observed: 3.25 ft at 10:00PM Aug 02, 2020Observed: 3.25 ft at 10:15PM Aug 02, 2020Observed: 3.25 ft at 10:30PM Aug 02, 2020Observed: 3.25 ft at 10:45PM Aug 02, 2020Observed: 3.25 ft at 11:00PM Aug 02, 2020Observed: 3.25 ft at 11:15PM Aug 02, 2020Observed: 3.25 ft at 11:30PM Aug 02, 2020Observed: 3.25 ft at 11:45PM Aug 02, 2020Observed: 3.25 ft at 12:00AM Aug 03, 2020Observed: 3.24 ft at 12:15AM Aug 03, 2020Observed: 3.25 ft at 12:30AM Aug 03, 2020Observed: 3.25 ft at 12:45AM Aug 03, 2020Observed: 3.25 ft at 1:00AM Aug 03, 2020Observed: 3.25 ft at 1:15AM Aug 03, 2020Observed: 3.25 ft at 1:30AM Aug 03, 2020Observed: 3.24 ft at 1:45AM Aug 03, 2020Observed: 3.25 ft at 2:00AM Aug 03, 2020Observed: 3.25 ft at 2:15AM Aug 03, 2020Observed: 3.25 ft at 2:30AM Aug 03, 2020Observed: 3.25 ft at 2:45AM Aug 03, 2020Observed: 3.25 ft at 3:00AM Aug 03, 2020Observed: 3.25 ft at 3:15AM Aug 03, 2020Observed: 3.25 ft at 3:30AM Aug 03, 2020Observed: 3.25 ft at 3:45AM Aug 03, 2020Observed: 3.25 ft at 4:00AM Aug 03, 2020Observed: 3.25 ft at 4:15AM Aug 03, 2020Observed: 3.25 ft at 4:30AM Aug 03, 2020Observed: 3.25 ft at 4:45AM Aug 03, 2020Observed: 3.25 ft at 5:00AM Aug 03, 2020Observed: 3.24 ft at 5:15AM Aug 03, 2020Observed: 3.25 ft at 5:30AM Aug 03, 2020Observed: 3.25 ft at 5:45AM Aug 03, 2020Observed: 3.25 ft at 5:47AM Aug 03, 2020Observed: 3.25 ft at 6:00AM Aug 03, 2020Observed: 3.25 ft at 6:02AM Aug 03, 2020Observed: 3.25 ft at 6:15AM Aug 03, 2020Observed: 3.25 ft at 6:17AM Aug 03, 2020Observed: 3.25 ft at 6:30AM Aug 03, 2020Observed: 3.25 ft at 6:45AM Aug 03, 2020Observed: 3.26 ft at 7:00AM Aug 03, 2020Observed: 3.26 ft at 7:15AM Aug 03, 2020Observed: 3.26 ft at 7:30AM Aug 03, 2020Observed: 3.26 ft at 7:45AM Aug 03, 2020Observed: 3.26 ft at 8:00AM Aug 03, 2020Observed: 3.26 ft at 8:15AM Aug 03, 2020Observed: 3.26 ft at 8:30AM Aug 03, 2020Observed: 3.26 ft at 8:45AM Aug 03, 2020Observed: 3.25 ft at 9:00AM Aug 03, 2020Observed: 3.25 ft at 9:15AM Aug 03, 2020Observed: 3.25 ft at 9:30AM Aug 03, 2020Observed: 3.24 ft at 9:45AM Aug 03, 2020Observed: 3.24 ft at 10:00AM Aug 03, 2020Observed: 3.24 ft at 10:15AM Aug 03, 2020Observed: 3.24 ft at 10:30AM Aug 03, 2020Observed: 3.24 ft at 10:45AM Aug 03, 2020Observed: 3.24 ft at 11:00AM Aug 03, 2020Observed: 3.23 ft at 11:15AM Aug 03, 2020Observed: 3.23 ft at 11:30AM Aug 03, 2020Observed: 3.23 ft at 11:45AM Aug 03, 2020Observed: 3.23 ft at 12:00PM Aug 03, 2020Observed: 3.23 ft at 12:15PM Aug 03, 2020Observed: 3.22 ft at 12:30PM Aug 03, 2020Observed: 3.22 ft at 12:45PM Aug 03, 2020Observed: 3.22 ft at 1:00PM Aug 03, 2020Observed: 3.22 ft at 1:15PM Aug 03, 2020Observed: 3.22 ft at 1:30PM Aug 03, 2020Observed: 3.22 ft at 1:45PM Aug 03, 2020Observed: 3.22 ft at 2:00PM Aug 03, 2020Observed: 3.22 ft at 2:15PM Aug 03, 2020Observed: 3.22 ft at 2:30PM Aug 03, 2020Observed: 3.22 ft at 2:45PM Aug 03, 2020Observed: 3.22 ft at 3:00PM Aug 03, 2020Observed: 3.22 ft at 3:15PM Aug 03, 2020Observed: 3.21 ft at 3:30PM Aug 03, 2020Observed: 3.21 ft at 3:45PM Aug 03, 2020Observed: 3.22 ft at 4:00PM Aug 03, 2020Observed: 3.22 ft at 4:15PM Aug 03, 2020Observed: 3.22 ft at 4:30PM Aug 03, 2020Observed: 3.22 ft at 4:45PM Aug 03, 2020Observed: 3.22 ft at 5:00PM Aug 03, 2020Observed: 3.22 ft at 5:15PM Aug 03, 2020Observed: 3.22 ft at 5:30PM Aug 03, 2020Observed: 3.22 ft at 5:45PM Aug 03, 2020Observed: 3.22 ft at 6:00PM Aug 03, 2020Observed: 3.22 ft at 6:15PM Aug 03, 2020Observed: 3.22 ft at 6:30PM Aug 03, 2020Observed: 3.23 ft at 6:45PM Aug 03, 2020Observed: 3.23 ft at 7:00PM Aug 03, 2020Observed: 3.24 ft at 7:15PM Aug 03, 2020Observed: 3.24 ft at 7:30PM Aug 03, 2020Observed: 3.24 ft at 7:45PM Aug 03, 2020Observed: 3.24 ft at 8:00PM Aug 03, 2020Observed: 3.25 ft at 8:15PM Aug 03, 2020Observed: 3.25 ft at 8:30PM Aug 03, 2020Observed: 3.25 ft at 8:45PM Aug 03, 2020Observed: 3.25 ft at 9:00PM Aug 03, 2020Observed: 3.25 ft at 9:15PM Aug 03, 2020Observed: 3.25 ft at 9:30PM Aug 03, 2020Observed: 3.25 ft at 9:45PM Aug 03, 2020Observed: 3.25 ft at 10:00PM Aug 03, 2020Observed: 3.25 ft at 10:15PM Aug 03, 2020Observed: 3.25 ft at 10:30PM Aug 03, 2020Observed: 3.25 ft at 10:45PM Aug 03, 2020Observed: 3.25 ft at 11:00PM Aug 03, 2020Observed: 3.25 ft at 11:15PM Aug 03, 2020Observed: 3.25 ft at 11:30PM Aug 03, 2020Observed: 3.25 ft at 11:45PM Aug 03, 2020Observed: 3.25 ft at 12:00AM Aug 04, 2020Observed: 3.25 ft at 12:15AM Aug 04, 2020Observed: 3.25 ft at 12:30AM Aug 04, 2020Observed: 3.26 ft at 12:45AM Aug 04, 2020Observed: 3.26 ft at 1:00AM Aug 04, 2020Observed: 3.25 ft at 1:15AM Aug 04, 2020Observed: 3.26 ft at 1:30AM Aug 04, 2020Observed: 3.26 ft at 1:45AM Aug 04, 2020Observed: 3.26 ft at 2:00AM Aug 04, 2020Observed: 3.26 ft at 2:15AM Aug 04, 2020Observed: 3.25 ft at 2:30AM Aug 04, 2020Observed: 3.25 ft at 2:45AM Aug 04, 2020Observed: 3.25 ft at 3:00AM Aug 04, 2020Observed: 3.26 ft at 3:15AM Aug 04, 2020Observed: 3.26 ft at 3:30AM Aug 04, 2020Observed: 3.25 ft at 3:45AM Aug 04, 2020Observed: 3.25 ft at 4:00AM Aug 04, 2020Observed: 3.25 ft at 4:15AM Aug 04, 2020Observed: 3.25 ft at 4:30AM Aug 04, 2020Observed: 3.25 ft at 4:45AM Aug 04, 2020Observed: 3.25 ft at 5:00AM Aug 04, 2020Observed: 3.25 ft at 5:15AM Aug 04, 2020Observed: 3.25 ft at 5:30AM Aug 04, 2020Observed: 3.25 ft at 5:45AM Aug 04, 2020Observed: 3.25 ft at 6:00AM Aug 04, 2020Observed: 3.25 ft at 6:15AM Aug 04, 2020Observed: 3.25 ft at 6:30AM Aug 04, 2020Observed: 3.25 ft at 6:45AM Aug 04, 2020Observed: 3.25 ft at 7:00AM Aug 04, 2020Observed: 3.25 ft at 7:15AM Aug 04, 2020Observed: 3.25 ft at 7:30AM Aug 04, 2020Observed: 3.26 ft at 7:45AM Aug 04, 2020Observed: 3.26 ft at 8:00AM Aug 04, 2020Observed: 3.25 ft at 8:15AM Aug 04, 2020Observed: 3.25 ft at 8:30AM Aug 04, 2020Observed: 3.25 ft at 8:45AM Aug 04, 2020Observed: 3.25 ft at 9:00AM Aug 04, 2020Observed: 3.25 ft at 9:15AM Aug 04, 2020Observed: 3.25 ft at 9:30AM Aug 04, 2020Observed: 3.25 ft at 9:45AM Aug 04, 2020Observed: 3.25 ft at 10:00AM Aug 04, 2020Observed: 3.26 ft at 10:15AM Aug 04, 2020Observed: 3.25 ft at 10:30AM Aug 04, 2020Observed: 3.26 ft at 10:45AM Aug 04, 2020Observed: 3.27 ft at 11:00AM Aug 04, 2020Observed: 3.27 ft at 11:15AM Aug 04, 2020Observed: 3.27 ft at 11:30AM Aug 04, 2020Observed: 3.27 ft at 11:45AM Aug 04, 2020Observed: 3.27 ft at 12:00PM Aug 04, 2020Observed: 3.27 ft at 12:15PM Aug 04, 2020Observed: 3.26 ft at 12:30PM Aug 04, 2020Observed: 3.27 ft at 12:45PM Aug 04, 2020Observed: 3.27 ft at 1:00PM Aug 04, 2020Observed: 3.27 ft at 1:15PM Aug 04, 2020Observed: 3.26 ft at 1:30PM Aug 04, 2020Observed: 3.26 ft at 1:45PM Aug 04, 2020Observed: 3.27 ft at 2:00PM Aug 04, 2020Observed: 3.26 ft at 2:15PM Aug 04, 2020Observed: 3.26 ft at 2:30PM Aug 04, 2020Observed: 3.26 ft at 2:45PM Aug 04, 2020Observed: 3.26 ft at 3:00PM Aug 04, 2020Observed: 3.26 ft at 3:15PM Aug 04, 2020Observed: 3.25 ft at 3:30PM Aug 04, 2020Observed: 3.25 ft at 3:45PM Aug 04, 2020Observed: 3.26 ft at 4:00PM Aug 04, 2020Observed: 3.26 ft at 4:15PM Aug 04, 2020Observed: 3.25 ft at 4:30PM Aug 04, 2020Observed: 3.26 ft at 4:45PM Aug 04, 2020Observed: 3.25 ft at 5:00PM Aug 04, 2020Observed: 3.25 ft at 5:15PM Aug 04, 2020Observed: 3.25 ft at 5:30PM Aug 04, 2020Observed: 3.25 ft at 5:45PM Aug 04, 2020Observed: 3.25 ft at 6:00PM Aug 04, 2020Observed: 3.25 ft at 6:15PM Aug 04, 2020Observed: 3.26 ft at 6:30PM Aug 04, 2020Observed: 3.25 ft at 6:45PM Aug 04, 2020Observed: 3.25 ft at 7:00PM Aug 04, 2020Observed: 3.25 ft at 7:15PM Aug 04, 2020Observed: 3.25 ft at 7:30PM Aug 04, 2020Observed: 3.26 ft at 7:45PM Aug 04, 2020Observed: 3.26 ft at 8:00PM Aug 04, 2020Observed: 3.25 ft at 8:15PM Aug 04, 2020Observed: 3.25 ft at 8:30PM Aug 04, 2020Observed: 3.25 ft at 8:45PM Aug 04, 2020Observed: 3.25 ft at 9:00PM Aug 04, 2020Observed: 3.26 ft at 9:15PM Aug 04, 2020Observed: 3.26 ft at 9:30PM Aug 04, 2020Observed: 3.26 ft at 9:45PM Aug 04, 2020Observed: 3.25 ft at 10:00PM Aug 04, 2020Observed: 3.26 ft at 10:15PM Aug 04, 2020Observed: 3.26 ft at 10:30PM Aug 04, 2020Observed: 3.25 ft at 10:45PM Aug 04, 2020Observed: 3.25 ft at 11:00PM Aug 04, 2020Observed: 3.26 ft at 11:15PM Aug 04, 2020Observed: 3.25 ft at 11:30PM Aug 04, 2020Observed: 3.25 ft at 11:45PM Aug 04, 2020Observed: 3.25 ft at 12:00AM Aug 05, 2020Observed: 3.25 ft at 12:15AM Aug 05, 2020Observed: 3.25 ft at 12:30AM Aug 05, 2020Observed: 3.25 ft at 12:45AM Aug 05, 2020Observed: 3.25 ft at 1:00AM Aug 05, 2020Observed: 3.25 ft at 1:15AM Aug 05, 2020Observed: 3.25 ft at 1:30AM Aug 05, 2020Observed: 3.25 ft at 1:45AM Aug 05, 2020Observed: 3.25 ft at 2:00AM Aug 05, 2020Observed: 3.25 ft at 2:15AM Aug 05, 2020Observed: 3.25 ft at 2:30AM Aug 05, 2020Observed: 3.25 ft at 2:45AM Aug 05, 2020Observed: 3.25 ft at 3:00AM Aug 05, 2020Observed: 3.25 ft at 3:15AM Aug 05, 2020Observed: 3.25 ft at 3:30AM Aug 05, 2020Observed: 3.25 ft at 3:45AM Aug 05, 2020Observed: 3.25 ft at 4:00AM Aug 05, 2020Observed: 3.25 ft at 4:15AM Aug 05, 2020Observed: 3.25 ft at 4:30AM Aug 05, 2020Observed: 3.25 ft at 4:45AM Aug 05, 2020Observed: 3.25 ft at 5:00AM Aug 05, 2020Observed: 3.25 ft at 5:15AM Aug 05, 2020Observed: 3.25 ft at 5:30AM Aug 05, 2020Observed: 3.25 ft at 5:45AM Aug 05, 2020Observed: 3.25 ft at 5:46AM Aug 05, 2020Observed: 3.25 ft at 6:00AM Aug 05, 2020Observed: 3.25 ft at 6:01AM Aug 05, 2020Observed: 3.25 ft at 6:15AM Aug 05, 2020Observed: 3.25 ft at 6:16AM Aug 05, 2020Observed: 3.25 ft at 6:30AM Aug 05, 2020Observed: 3.25 ft at 6:45AM Aug 05, 2020Observed: 3.25 ft at 7:00AM Aug 05, 2020Observed: 3.25 ft at 7:15AM Aug 05, 2020Observed: 3.25 ft at 7:30AM Aug 05, 2020Observed: 3.25 ft at 7:45AM Aug 05, 2020Observed: 3.25 ft at 8:00AM Aug 05, 2020Observed: 3.25 ft at 8:15AM Aug 05, 2020Observed: 3.26 ft at 8:30AM Aug 05, 2020Observed: 3.26 ft at 9:15AM Aug 05, 2020Observed: 3.26 ft at 9:30AM Aug 05, 2020Observed: 3.26 ft at 9:45AM Aug 05, 2020Observed: 3.26 ft at 10:00AM Aug 05, 2020Observed: 3.25 ft at 10:15AM Aug 05, 2020Observed: 3.25 ft at 10:30AM Aug 05, 2020Observed: 3.25 ft at 10:45AM Aug 05, 2020Observed: 3.25 ft at 11:00AM Aug 05, 2020Observed: 3.24 ft at 11:15AM Aug 05, 2020Observed: 3.24 ft at 11:30AM Aug 05, 2020Observed: 3.24 ft at 11:45AM Aug 05, 2020Observed: 3.25 ft at 12:00PM Aug 05, 2020Observed: 3.25 ft at 12:15PM Aug 05, 2020Observed: 3.24 ft at 12:30PM Aug 05, 2020Observed: 3.24 ft at 12:45PM Aug 05, 2020Observed: 3.24 ft at 1:00PM Aug 05, 2020Observed: 3.24 ft at 1:15PM Aug 05, 2020Colorado Division of Water ResourcesLNSC2(plotting HGIRG) Graph Created (2:00PM Aug 5, 2020)ObservedLatest observed value: 3.24 ft at 1:15 PM MDT 5-Aug-2020. 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

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.19 ft on 06/13/2016
(2) 7.06 ft on 06/12/2015
(3) 7.53 ft on 06/01/2014
(4) 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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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 5315 5323.5 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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Page last modified: 1-Mar-2019 12:33 AM
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