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Hydrograph River at a Glance Download
Grande Ronde River at Troy Stage (ft)Flow (cfs)Observed: 2.93 ft at 12:00AM Jul 25, 2021Observed: 2.93 ft at 12:15AM Jul 25, 2021Observed: 2.93 ft at 12:30AM Jul 25, 2021Observed: 2.93 ft at 12:45AM Jul 25, 2021Observed: 2.94 ft at 1:00AM Jul 25, 2021Observed: 2.94 ft at 1:15AM Jul 25, 2021Observed: 2.93 ft at 1:30AM Jul 25, 2021Observed: 2.94 ft at 1:45AM Jul 25, 2021Observed: 2.93 ft at 2:00AM Jul 25, 2021Observed: 2.93 ft at 2:15AM Jul 25, 2021Observed: 2.93 ft at 2:30AM Jul 25, 2021Observed: 2.94 ft at 2:45AM Jul 25, 2021Observed: 2.94 ft at 3:00AM Jul 25, 2021Observed: 2.94 ft at 3:15AM Jul 25, 2021Observed: 2.94 ft at 3:30AM Jul 25, 2021Observed: 2.93 ft at 3:45AM Jul 25, 2021Observed: 2.94 ft at 4:00AM Jul 25, 2021Observed: 2.94 ft at 4:15AM Jul 25, 2021Observed: 2.94 ft at 4:30AM Jul 25, 2021Observed: 2.93 ft at 4:45AM Jul 25, 2021Observed: 2.94 ft at 5:00AM Jul 25, 2021Observed: 2.94 ft at 5:15AM Jul 25, 2021Observed: 2.94 ft at 5:30AM Jul 25, 2021Observed: 2.94 ft at 5:45AM Jul 25, 2021Observed: 2.94 ft at 6:00AM Jul 25, 2021Observed: 2.94 ft at 6:15AM Jul 25, 2021Observed: 2.94 ft at 6:30AM Jul 25, 2021Observed: 2.94 ft at 6:45AM Jul 25, 2021Observed: 2.94 ft at 7:00AM Jul 25, 2021Observed: 2.94 ft at 7:15AM Jul 25, 2021Observed: 2.94 ft at 7:30AM Jul 25, 2021Observed: 2.94 ft at 7:45AM Jul 25, 2021Observed: 2.94 ft at 8:00AM Jul 25, 2021Observed: 2.94 ft at 8:15AM Jul 25, 2021Observed: 2.94 ft at 8:30AM Jul 25, 2021Observed: 2.94 ft at 8:45AM Jul 25, 2021Observed: 2.94 ft at 9:00AM Jul 25, 2021Observed: 2.94 ft at 9:15AM Jul 25, 2021Observed: 2.94 ft at 9:30AM Jul 25, 2021Observed: 2.94 ft at 9:45AM Jul 25, 2021Observed: 2.93 ft at 10:00AM Jul 25, 2021Observed: 2.94 ft at 10:15AM Jul 25, 2021Observed: 2.94 ft at 10:30AM Jul 25, 2021Observed: 2.94 ft at 10:45AM Jul 25, 2021Observed: 2.94 ft at 11:00AM Jul 25, 2021Highest Observation: 2.95 ft at 11:15AM Jul 25, 2021Observed: 2.94 ft at 11:30AM Jul 25, 2021Observed: 2.94 ft at 11:45AM Jul 25, 2021Observed: 2.94 ft at 12:00PM Jul 25, 2021Observed: 2.94 ft at 12:15PM Jul 25, 2021Observed: 2.94 ft at 12:30PM Jul 25, 2021Observed: 2.94 ft at 12:45PM Jul 25, 2021Observed: 2.94 ft at 1:00PM Jul 25, 2021Observed: 2.94 ft at 1:15PM Jul 25, 2021Observed: 2.94 ft at 1:30PM Jul 25, 2021Highest Observation: 2.95 ft at 1:45PM Jul 25, 2021Observed: 2.94 ft at 2:00PM Jul 25, 2021Observed: 2.94 ft at 2:15PM Jul 25, 2021Observed: 2.94 ft at 2:30PM Jul 25, 2021Observed: 2.94 ft at 2:45PM Jul 25, 2021Observed: 2.94 ft at 3:00PM Jul 25, 2021Observed: 2.94 ft at 3:15PM Jul 25, 2021Observed: 2.94 ft at 3:30PM Jul 25, 2021Observed: 2.93 ft at 3:45PM Jul 25, 2021Observed: 2.94 ft at 4:00PM Jul 25, 2021Observed: 2.94 ft at 4:15PM Jul 25, 2021Observed: 2.94 ft at 4:30PM Jul 25, 2021Observed: 2.94 ft at 4:45PM Jul 25, 2021Observed: 2.94 ft at 5:00PM Jul 25, 2021Observed: 2.94 ft at 5:15PM Jul 25, 2021Observed: 2.93 ft at 5:30PM Jul 25, 2021Observed: 2.94 ft at 5:45PM Jul 25, 2021Observed: 2.93 ft at 6:00PM Jul 25, 2021Observed: 2.93 ft at 6:15PM Jul 25, 2021Observed: 2.93 ft at 6:30PM Jul 25, 2021Observed: 2.93 ft at 6:45PM Jul 25, 2021Observed: 2.93 ft at 7:00PM Jul 25, 2021Observed: 2.93 ft at 7:15PM Jul 25, 2021Observed: 2.92 ft at 7:30PM Jul 25, 2021Observed: 2.93 ft at 7:45PM Jul 25, 2021Observed: 2.93 ft at 8:00PM Jul 25, 2021Observed: 2.93 ft at 8:15PM Jul 25, 2021Observed: 2.92 ft at 8:30PM Jul 25, 2021Observed: 2.92 ft at 8:45PM Jul 25, 2021Observed: 2.93 ft at 9:00PM Jul 25, 2021Observed: 2.92 ft at 9:15PM Jul 25, 2021Observed: 2.92 ft at 9:30PM Jul 25, 2021Observed: 2.92 ft at 9:45PM Jul 25, 2021Observed: 2.91 ft at 10:00PM Jul 25, 2021Observed: 2.92 ft at 10:15PM Jul 25, 2021Observed: 2.92 ft at 10:30PM Jul 25, 2021Observed: 2.91 ft at 10:45PM Jul 25, 2021Observed: 2.91 ft at 11:00PM Jul 25, 2021Observed: 2.91 ft at 11:15PM Jul 25, 2021Observed: 2.91 ft at 11:30PM Jul 25, 2021Observed: 2.92 ft at 11:45PM Jul 25, 2021Observed: 2.92 ft at 12:00AM Jul 26, 2021Observed: 2.92 ft at 12:15AM Jul 26, 2021Observed: 2.91 ft at 12:30AM Jul 26, 2021Observed: 2.92 ft at 12:45AM Jul 26, 2021Observed: 2.91 ft at 1:00AM Jul 26, 2021Observed: 2.91 ft at 1:15AM Jul 26, 2021Observed: 2.91 ft at 1:30AM Jul 26, 2021Observed: 2.91 ft at 1:45AM Jul 26, 2021Observed: 2.91 ft at 2:00AM Jul 26, 2021Observed: 2.91 ft at 2:15AM Jul 26, 2021Observed: 2.92 ft at 2:30AM Jul 26, 2021Observed: 2.91 ft at 2:45AM Jul 26, 2021Observed: 2.91 ft at 3:00AM Jul 26, 2021Observed: 2.91 ft at 3:15AM Jul 26, 2021Observed: 2.92 ft at 3:30AM Jul 26, 2021Observed: 2.92 ft at 3:45AM Jul 26, 2021Observed: 2.92 ft at 4:00AM Jul 26, 2021Observed: 2.92 ft at 4:15AM Jul 26, 2021Observed: 2.91 ft at 4:30AM Jul 26, 2021Observed: 2.91 ft at 4:45AM Jul 26, 2021Observed: 2.91 ft at 5:00AM Jul 26, 2021Observed: 2.91 ft at 5:15AM Jul 26, 2021Observed: 2.91 ft at 5:30AM Jul 26, 2021Observed: 2.91 ft at 5:45AM Jul 26, 2021Observed: 2.92 ft at 6:00AM Jul 26, 2021Observed: 2.91 ft at 6:15AM Jul 26, 2021Observed: 2.92 ft at 6:30AM Jul 26, 2021Observed: 2.91 ft at 6:45AM Jul 26, 2021Observed: 2.92 ft at 7:00AM Jul 26, 2021Observed: 2.92 ft at 7:15AM Jul 26, 2021Observed: 2.92 ft at 7:30AM Jul 26, 2021Observed: 2.92 ft at 7:45AM Jul 26, 2021Observed: 2.92 ft at 8:00AM Jul 26, 2021Observed: 2.92 ft at 8:15AM Jul 26, 2021Observed: 2.92 ft at 8:30AM Jul 26, 2021Observed: 2.92 ft at 8:45AM Jul 26, 2021Observed: 2.93 ft at 9:00AM Jul 26, 2021Observed: 2.92 ft at 9:15AM Jul 26, 2021Observed: 2.92 ft at 9:30AM Jul 26, 2021Observed: 2.93 ft at 9:45AM Jul 26, 2021Observed: 2.92 ft at 10:00AM Jul 26, 2021Observed: 2.92 ft at 10:15AM Jul 26, 2021Observed: 2.92 ft at 10:30AM Jul 26, 2021Observed: 2.92 ft at 10:45AM Jul 26, 2021Observed: 2.93 ft at 11:00AM Jul 26, 2021Observed: 2.92 ft at 11:15AM Jul 26, 2021Observed: 2.92 ft at 11:30AM Jul 26, 2021Observed: 2.92 ft at 11:45AM Jul 26, 2021Observed: 2.92 ft at 12:00PM Jul 26, 2021Observed: 2.92 ft at 12:15PM Jul 26, 2021Observed: 2.92 ft at 12:30PM Jul 26, 2021Observed: 2.92 ft at 12:45PM Jul 26, 2021Observed: 2.92 ft at 1:00PM Jul 26, 2021Observed: 2.92 ft at 1:15PM Jul 26, 2021Observed: 2.93 ft at 1:30PM Jul 26, 2021Observed: 2.92 ft at 1:45PM Jul 26, 2021Observed: 2.92 ft at 2:00PM Jul 26, 2021Observed: 2.92 ft at 2:15PM Jul 26, 2021Observed: 2.92 ft at 2:30PM Jul 26, 2021Observed: 2.92 ft at 2:45PM Jul 26, 2021Observed: 2.91 ft at 3:00PM Jul 26, 2021Observed: 2.92 ft at 3:15PM Jul 26, 2021Observed: 2.92 ft at 3:30PM Jul 26, 2021Observed: 2.92 ft at 3:45PM Jul 26, 2021Observed: 2.92 ft at 4:00PM Jul 26, 2021Observed: 2.92 ft at 4:15PM Jul 26, 2021Observed: 2.92 ft at 4:30PM Jul 26, 2021Observed: 2.92 ft at 4:45PM Jul 26, 2021Observed: 2.91 ft at 5:00PM Jul 26, 2021Observed: 2.91 ft at 5:15PM Jul 26, 2021Observed: 2.91 ft at 5:30PM Jul 26, 2021Observed: 2.91 ft at 5:45PM Jul 26, 2021Observed: 2.92 ft at 6:00PM Jul 26, 2021Observed: 2.91 ft at 6:15PM Jul 26, 2021Observed: 2.92 ft at 6:30PM Jul 26, 2021Observed: 2.91 ft at 6:45PM Jul 26, 2021Observed: 2.91 ft at 7:00PM Jul 26, 2021Observed: 2.91 ft at 7:15PM Jul 26, 2021Observed: 2.9 ft at 7:30PM Jul 26, 2021Observed: 2.91 ft at 7:45PM Jul 26, 2021Observed: 2.91 ft at 8:00PM Jul 26, 2021Observed: 2.91 ft at 8:15PM Jul 26, 2021Observed: 2.9 ft at 8:30PM Jul 26, 2021Observed: 2.91 ft at 8:45PM Jul 26, 2021Observed: 2.91 ft at 9:00PM Jul 26, 2021Observed: 2.91 ft at 9:15PM Jul 26, 2021Observed: 2.91 ft at 9:30PM Jul 26, 2021Observed: 2.91 ft at 9:45PM Jul 26, 2021Observed: 2.91 ft at 10:00PM Jul 26, 2021Observed: 2.91 ft at 10:15PM Jul 26, 2021Observed: 2.9 ft at 10:30PM Jul 26, 2021Observed: 2.91 ft at 10:45PM Jul 26, 2021Observed: 2.91 ft at 11:00PM Jul 26, 2021Observed: 2.91 ft at 11:15PM Jul 26, 2021Observed: 2.91 ft at 11:30PM Jul 26, 2021Observed: 2.91 ft at 11:45PM Jul 26, 2021Observed: 2.91 ft at 12:00AM Jul 27, 2021Observed: 2.91 ft at 12:15AM Jul 27, 2021Observed: 2.91 ft at 12:30AM Jul 27, 2021Observed: 2.91 ft at 12:45AM Jul 27, 2021Observed: 2.9 ft at 1:00AM Jul 27, 2021Observed: 2.91 ft at 1:15AM Jul 27, 2021Observed: 2.9 ft at 1:30AM Jul 27, 2021Observed: 2.91 ft at 1:45AM Jul 27, 2021Observed: 2.91 ft at 2:00AM Jul 27, 2021Observed: 2.91 ft at 2:15AM Jul 27, 2021Observed: 2.91 ft at 2:30AM Jul 27, 2021Observed: 2.91 ft at 2:45AM Jul 27, 2021Observed: 2.91 ft at 3:00AM Jul 27, 2021Observed: 2.91 ft at 3:15AM Jul 27, 2021Observed: 2.91 ft at 3:30AM Jul 27, 2021Observed: 2.92 ft at 3:45AM Jul 27, 2021Observed: 2.91 ft at 4:00AM Jul 27, 2021Observed: 2.91 ft at 4:15AM Jul 27, 2021Observed: 2.91 ft at 4:30AM Jul 27, 2021Observed: 2.91 ft at 4:45AM Jul 27, 2021Observed: 2.91 ft at 5:00AM Jul 27, 2021Observed: 2.91 ft at 5:15AM Jul 27, 2021Observed: 2.91 ft at 5:30AM Jul 27, 2021Observed: 2.91 ft at 5:45AM Jul 27, 2021Observed: 2.91 ft at 6:00AM Jul 27, 2021Observed: 2.91 ft at 6:15AM Jul 27, 2021Observed: 2.91 ft at 6:30AM Jul 27, 2021Observed: 2.91 ft at 6:45AM Jul 27, 2021Observed: 2.91 ft at 7:00AM Jul 27, 2021Observed: 2.92 ft at 7:15AM Jul 27, 2021Observed: 2.91 ft at 7:30AM Jul 27, 2021Observed: 2.91 ft at 7:45AM Jul 27, 2021Observed: 2.91 ft at 8:00AM Jul 27, 2021Observed: 2.91 ft at 8:15AM Jul 27, 2021Observed: 2.91 ft at 8:30AM Jul 27, 2021Observed: 2.92 ft at 8:45AM Jul 27, 2021Observed: 2.92 ft at 9:00AM Jul 27, 2021Observed: 2.92 ft at 9:15AM Jul 27, 2021Observed: 2.92 ft at 9:30AM Jul 27, 2021Observed: 2.92 ft at 9:45AM Jul 27, 2021Observed: 2.92 ft at 10:00AM Jul 27, 2021Observed: 2.92 ft at 10:15AM Jul 27, 2021Observed: 2.93 ft at 10:30AM Jul 27, 2021Observed: 2.92 ft at 10:45AM Jul 27, 2021Observed: 2.92 ft at 11:00AM Jul 27, 2021Observed: 2.92 ft at 11:15AM Jul 27, 2021Observed: 2.93 ft at 11:30AM Jul 27, 2021Observed: 2.92 ft at 11:45AM Jul 27, 2021Observed: 2.92 ft at 12:00PM Jul 27, 2021Observed: 2.92 ft at 12:15PM Jul 27, 2021Observed: 2.92 ft at 12:30PM Jul 27, 2021Observed: 2.92 ft at 12:45PM Jul 27, 2021Observed: 2.93 ft at 1:00PM Jul 27, 2021Observed: 2.93 ft at 1:15PM Jul 27, 2021Observed: 2.93 ft at 1:30PM Jul 27, 2021Observed: 2.92 ft at 1:45PM Jul 27, 2021Observed: 2.93 ft at 2:00PM Jul 27, 2021Observed: 2.92 ft at 2:15PM Jul 27, 2021Observed: 2.92 ft at 2:30PM Jul 27, 2021Observed: 2.92 ft at 2:45PM Jul 27, 2021Observed: 2.93 ft at 3:00PM Jul 27, 2021Observed: 2.92 ft at 3:15PM Jul 27, 2021Observed: 2.92 ft at 3:30PM Jul 27, 2021Observed: 2.92 ft at 3:45PM Jul 27, 2021Observed: 2.93 ft at 4:00PM Jul 27, 2021Observed: 2.91 ft at 4:15PM Jul 27, 2021Observed: 2.92 ft at 4:30PM Jul 27, 2021Observed: 2.91 ft at 4:45PM Jul 27, 2021Observed: 2.92 ft at 5:00PM Jul 27, 2021Observed: 2.92 ft at 5:15PM Jul 27, 2021Observed: 2.91 ft at 5:30PM Jul 27, 2021Observed: 2.92 ft at 5:45PM Jul 27, 2021Observed: 2.91 ft at 6:00PM Jul 27, 2021Observed: 2.9 ft at 6:15PM Jul 27, 2021Observed: 2.91 ft at 6:30PM Jul 27, 2021Observed: 2.91 ft at 6:45PM Jul 27, 2021Observed: 2.91 ft at 7:00PM Jul 27, 2021Observed: 2.91 ft at 7:15PM Jul 27, 2021Observed: 2.9 ft at 7:30PM Jul 27, 2021Observed: 2.91 ft at 7:45PM Jul 27, 2021Observed: 2.9 ft at 8:00PM Jul 27, 2021Observed: 2.9 ft at 8:15PM Jul 27, 2021Observed: 2.9 ft at 8:30PM Jul 27, 2021Observed: 2.9 ft at 8:45PM Jul 27, 2021Observed: 2.9 ft at 9:00PM Jul 27, 2021Observed: 2.91 ft at 9:15PM Jul 27, 2021Observed: 2.89 ft at 9:30PM Jul 27, 2021Observed: 2.9 ft at 9:45PM Jul 27, 2021Observed: 2.9 ft at 10:00PM Jul 27, 2021Observed: 2.9 ft at 10:15PM Jul 27, 2021Observed: 2.9 ft at 10:30PM Jul 27, 2021Observed: 2.9 ft at 10:45PM Jul 27, 2021Observed: 2.9 ft at 11:00PM Jul 27, 2021Observed: 2.9 ft at 11:15PM Jul 27, 2021Observed: 2.9 ft at 11:30PM Jul 27, 2021Observed: 2.91 ft at 11:45PM Jul 27, 2021Observed: 2.89 ft at 12:00AM Jul 28, 2021Observed: 2.89 ft at 12:15AM Jul 28, 2021Observed: 2.9 ft at 12:30AM Jul 28, 2021Observed: 2.9 ft at 12:45AM Jul 28, 2021Observed: 2.9 ft at 1:00AM Jul 28, 2021Observed: 2.9 ft at 1:15AM Jul 28, 2021Observed: 2.89 ft at 1:30AM Jul 28, 2021Observed: 2.9 ft at 1:45AM Jul 28, 2021Observed: 2.9 ft at 2:00AM Jul 28, 2021Observed: 2.91 ft at 2:15AM Jul 28, 2021Observed: 2.89 ft at 2:30AM Jul 28, 2021Observed: 2.9 ft at 2:45AM Jul 28, 2021Observed: 2.9 ft at 3:00AM Jul 28, 2021Observed: 2.9 ft at 3:15AM Jul 28, 2021Observed: 2.9 ft at 3:30AM Jul 28, 2021Observed: 2.91 ft at 3:45AM Jul 28, 2021Observed: 2.91 ft at 4:00AM Jul 28, 2021Observed: 2.9 ft at 4:15AM Jul 28, 2021Observed: 2.9 ft at 4:30AM Jul 28, 2021Observed: 2.91 ft at 4:45AM Jul 28, 2021Observed: 2.9 ft at 5:00AM Jul 28, 2021Observed: 2.9 ft at 5:15AM Jul 28, 2021Observed: 2.9 ft at 5:30AM Jul 28, 2021Observed: 2.9 ft at 5:45AM Jul 28, 2021Observed: 2.9 ft at 6:00AM Jul 28, 2021Observed: 2.9 ft at 6:15AM Jul 28, 2021Observed: 2.91 ft at 6:30AM Jul 28, 2021Observed: 2.9 ft at 6:45AM Jul 28, 2021Observed: 2.91 ft at 7:00AM Jul 28, 2021Observed: 2.91 ft at 7:15AM Jul 28, 2021Observed: 2.91 ft at 7:30AM Jul 28, 2021Observed: 2.91 ft at 7:45AM Jul 28, 2021Observed: 2.91 ft at 8:00AM Jul 28, 2021Observed: 2.91 ft at 8:15AM Jul 28, 2021Observed: 2.91 ft at 8:30AM Jul 28, 2021Observed: 2.9 ft at 8:45AM Jul 28, 2021Observed: 2.91 ft at 9:00AM Jul 28, 2021Observed: 2.91 ft at 9:15AM Jul 28, 2021Observed: 2.91 ft at 9:30AM Jul 28, 2021Observed: 2.91 ft at 9:45AM Jul 28, 2021Observed: 2.9 ft at 10:00AM Jul 28, 2021Observed: 2.91 ft at 10:15AM Jul 28, 2021Observed: 2.91 ft at 10:30AM Jul 28, 2021Observed: 2.9 ft at 10:45AM Jul 28, 2021Observed: 2.91 ft at 11:00AM Jul 28, 2021Observed: 2.91 ft at 11:15AM Jul 28, 2021Observed: 2.9 ft at 11:30AM Jul 28, 2021Observed: 2.9 ft at 11:45AM Jul 28, 2021Observed: 2.91 ft at 12:00PM Jul 28, 2021Observed: 2.9 ft at 12:15PM Jul 28, 2021Observed: 2.9 ft at 12:30PM Jul 28, 2021Observed: 2.9 ft at 12:45PM Jul 28, 2021Observed: 2.9 ft at 1:00PM Jul 28, 2021Observed: 2.91 ft at 1:15PM Jul 28, 2021Observed: 2.9 ft at 1:30PM Jul 28, 2021Observed: 2.9 ft at 1:45PM Jul 28, 2021Observed: 2.91 ft at 2:00PM Jul 28, 2021Observed: 2.91 ft at 2:15PM Jul 28, 2021Observed: 2.91 ft at 2:30PM Jul 28, 2021Observed: 2.91 ft at 2:45PM Jul 28, 2021Observed: 2.9 ft at 3:00PM Jul 28, 2021Observed: 2.91 ft at 3:15PM Jul 28, 2021Observed: 2.89 ft at 3:30PM Jul 28, 2021Observed: 2.9 ft at 3:45PM Jul 28, 2021Observed: 2.9 ft at 4:00PM Jul 28, 2021Observed: 2.9 ft at 4:15PM Jul 28, 2021Observed: 2.9 ft at 4:30PM Jul 28, 2021Observed: 2.9 ft at 4:45PM Jul 28, 2021Observed: 2.89 ft at 5:00PM Jul 28, 2021Observed: 2.9 ft at 5:15PM Jul 28, 2021Observed: 2.89 ft at 5:30PM Jul 28, 2021Observed: 2.9 ft at 5:45PM Jul 28, 2021Observed: 2.89 ft at 6:00PM Jul 28, 2021Observed: 2.89 ft at 6:15PM Jul 28, 2021Observed: 2.9 ft at 6:30PM Jul 28, 2021Observed: 2.89 ft at 6:45PM Jul 28, 2021Observed: 2.89 ft at 7:00PM Jul 28, 2021Observed: 2.89 ft at 7:15PM Jul 28, 2021Observed: 2.89 ft at 7:30PM Jul 28, 2021Observed: 2.89 ft at 7:45PM Jul 28, 2021Observed: 2.89 ft at 8:00PM Jul 28, 2021Observed: 2.9 ft at 8:15PM Jul 28, 2021Observed: 2.88 ft at 8:30PM Jul 28, 2021Observed: 2.88 ft at 8:45PM Jul 28, 2021Observed: 2.88 ft at 9:00PM Jul 28, 2021Observed: 2.88 ft at 9:15PM Jul 28, 2021Observed: 2.88 ft at 9:30PM Jul 28, 2021Observed: 2.88 ft at 9:45PM Jul 28, 2021Observed: 2.88 ft at 10:00PM Jul 28, 2021Observed: 2.89 ft at 10:15PM Jul 28, 2021Observed: 2.88 ft at 10:30PM Jul 28, 2021Observed: 2.87 ft at 10:45PM Jul 28, 2021Observed: 2.88 ft at 11:00PM Jul 28, 2021Highest Forecast: 2.91 ft 5:00AM Jul 29, 2021Forecast: 2.9 ft 11:00AM Jul 29, 2021Forecast: 2.9 ft 5:00PM Jul 29, 2021Forecast: 2.89 ft 11:00PM Jul 29, 2021Forecast: 2.89 ft 5:00AM Jul 30, 2021Forecast: 2.88 ft 11:00AM Jul 30, 2021Forecast: 2.87 ft 5:00PM Jul 30, 2021Forecast: 2.87 ft 11:00PM Jul 30, 2021Forecast: 2.87 ft 5:00AM Jul 31, 2021Forecast: 2.86 ft 11:00AM Jul 31, 2021Forecast: 2.86 ft 5:00PM Jul 31, 2021Forecast: 2.86 ft 11:00PM Jul 31, 2021Forecast: 2.86 ft 5:00AM Aug 01, 2021Forecast: 2.86 ft 11:00AM Aug 01, 2021Forecast: 2.86 ft 5:00PM Aug 01, 2021Forecast: 2.86 ft 11:00PM Aug 01, 2021Forecast: 2.86 ft 5:00AM Aug 02, 2021Forecast: 2.87 ft 11:00AM Aug 02, 2021Forecast: 2.87 ft 5:00PM Aug 02, 2021Forecast: 2.88 ft 11:00PM Aug 02, 2021Forecast: 2.88 ft 5:00AM Aug 03, 2021Forecast: 2.88 ft 11:00AM Aug 03, 2021Forecast: 2.87 ft 5:00PM Aug 03, 2021Forecast: 2.87 ft 11:00PM Aug 03, 2021Forecast: 2.87 ft 5:00AM Aug 04, 2021Forecast: 2.87 ft 11:00AM Aug 04, 2021Forecast: 2.87 ft 5:00PM Aug 04, 2021Forecast: 2.87 ft 11:00PM Aug 04, 2021USGS--Water Resources of the United StatesTRYO3(plotting HGIRG) Graph Created (11:48PM Jul 28, 2021)ObservedForecast (issued 3:18PM Jul 28)Latest observed value: 2.88 ft at 11:00 PM PDT 28-Jul-2021. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Grande Ronde River at Troy are issued routinely year-round.
Return to Area Map
Upstream Gauge - near Perry Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 11
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): 0

Historic Crests
(1) 13.76 ft on 02/09/1996
(2) 12.65 ft on 01/01/1997
(3) 11.85 ft on 03/10/2014
(4) 11.73 ft on 02/07/2020
(5) 11.70 ft on 03/19/0017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.73 ft on 02/07/2020
(2) 11.85 ft on 03/10/2014
(3) 10.30 ft on 01/17/2011
(4) 10.83 ft on 06/05/2010
(5) 10.44 ft on 04/14/2002
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.99 ft on 11/25/1993
Zoom Level:16
KML Image
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
16 Flooding along the left bank into the town of Troy.
11 Extensive flooding of fields around Troy are possible, but no residences are threatened.
10 Minor flooding of fields adjacent to the river from Elgin through Troy and downstream to the confluence of the Snake River.
9 Minor flooding in lowland fields from Elgin downstream through Troy and through southeast Washington to the Snake River.
About This Location Collapse

Latitude: 45.945702° N, Longitude: 117.451009° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 1585.98 ft 1595.98 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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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
Pendleton Weather Forecast Office
2001 NW 56th Drive
Pendleton, OR 97801
(541) 276-7832
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Page last modified: 2-Nov-2020 7:27 PM 		Disclaimer
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