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Hydrograph River at a Glance Download
Grande Ronde River at Troy Stage (ft)Flow (cfs)Observed: 3.02 ft at 10:45AM Oct 18, 2021Observed: 3.03 ft at 11:00AM Oct 18, 2021Observed: 3.02 ft at 11:15AM Oct 18, 2021Observed: 3.02 ft at 11:30AM Oct 18, 2021Observed: 3.02 ft at 11:45AM Oct 18, 2021Observed: 3.02 ft at 12:00PM Oct 18, 2021Observed: 3.03 ft at 12:15PM Oct 18, 2021Observed: 3.02 ft at 12:30PM Oct 18, 2021Observed: 3.02 ft at 12:45PM Oct 18, 2021Observed: 3.01 ft at 1:00PM Oct 18, 2021Observed: 3.02 ft at 1:15PM Oct 18, 2021Observed: 3.02 ft at 1:30PM Oct 18, 2021Observed: 3.02 ft at 1:45PM Oct 18, 2021Observed: 3.02 ft at 2:00PM Oct 18, 2021Observed: 3.03 ft at 2:15PM Oct 18, 2021Observed: 3.01 ft at 2:30PM Oct 18, 2021Observed: 3.02 ft at 2:45PM Oct 18, 2021Observed: 3.03 ft at 3:00PM Oct 18, 2021Observed: 3.02 ft at 3:15PM Oct 18, 2021Observed: 3.03 ft at 3:30PM Oct 18, 2021Observed: 3.03 ft at 3:45PM Oct 18, 2021Observed: 3.02 ft at 4:00PM Oct 18, 2021Observed: 3.03 ft at 4:15PM Oct 18, 2021Observed: 3.03 ft at 4:30PM Oct 18, 2021Observed: 3.03 ft at 4:45PM Oct 18, 2021Observed: 3.03 ft at 5:00PM Oct 18, 2021Observed: 3.02 ft at 5:15PM Oct 18, 2021Observed: 3.02 ft at 5:30PM Oct 18, 2021Observed: 3.02 ft at 5:45PM Oct 18, 2021Observed: 3.02 ft at 6:00PM Oct 18, 2021Observed: 3.02 ft at 6:15PM Oct 18, 2021Observed: 3.02 ft at 6:30PM Oct 18, 2021Observed: 3.02 ft at 6:45PM Oct 18, 2021Observed: 3.03 ft at 7:00PM Oct 18, 2021Observed: 3.03 ft at 7:15PM Oct 18, 2021Observed: 3.03 ft at 7:30PM Oct 18, 2021Observed: 3.02 ft at 7:45PM Oct 18, 2021Observed: 3.03 ft at 8:00PM Oct 18, 2021Observed: 3.02 ft at 8:15PM Oct 18, 2021Observed: 3.02 ft at 8:30PM Oct 18, 2021Observed: 3.03 ft at 8:45PM Oct 18, 2021Observed: 3.01 ft at 9:00PM Oct 18, 2021Observed: 3.02 ft at 9:15PM Oct 18, 2021Observed: 3.02 ft at 9:30PM Oct 18, 2021Observed: 3.02 ft at 9:45PM Oct 18, 2021Observed: 3.02 ft at 10:00PM Oct 18, 2021Observed: 3.02 ft at 10:15PM Oct 18, 2021Observed: 3.02 ft at 10:30PM Oct 18, 2021Observed: 3.02 ft at 10:45PM Oct 18, 2021Observed: 3.01 ft at 11:00PM Oct 18, 2021Observed: 3.02 ft at 11:15PM Oct 18, 2021Observed: 3.02 ft at 11:30PM Oct 18, 2021Observed: 3.01 ft at 11:45PM Oct 18, 2021Observed: 3.01 ft at 12:00AM Oct 19, 2021Observed: 3.01 ft at 12:15AM Oct 19, 2021Observed: 3.01 ft at 12:30AM Oct 19, 2021Observed: 3.01 ft at 12:45AM Oct 19, 2021Observed: 3.02 ft at 1:00AM Oct 19, 2021Observed: 3.01 ft at 1:15AM Oct 19, 2021Observed: 3.02 ft at 1:30AM Oct 19, 2021Observed: 3.02 ft at 1:45AM Oct 19, 2021Observed: 3.02 ft at 2:00AM Oct 19, 2021Observed: 3.01 ft at 2:15AM Oct 19, 2021Observed: 3.02 ft at 2:30AM Oct 19, 2021Observed: 3.01 ft at 2:45AM Oct 19, 2021Observed: 3.02 ft at 3:00AM Oct 19, 2021Observed: 3.02 ft at 3:15AM Oct 19, 2021Observed: 3.01 ft at 3:30AM Oct 19, 2021Observed: 3.02 ft at 3:45AM Oct 19, 2021Observed: 3.01 ft at 4:00AM Oct 19, 2021Observed: 3.01 ft at 4:15AM Oct 19, 2021Observed: 3.01 ft at 4:30AM Oct 19, 2021Observed: 3.01 ft at 4:45AM Oct 19, 2021Observed: 3.02 ft at 5:00AM Oct 19, 2021Observed: 3.01 ft at 5:15AM Oct 19, 2021Observed: 3.02 ft at 5:30AM Oct 19, 2021Observed: 3.03 ft at 5:45AM Oct 19, 2021Observed: 3.01 ft at 6:00AM Oct 19, 2021Observed: 3.01 ft at 6:15AM Oct 19, 2021Observed: 3.01 ft at 6:30AM Oct 19, 2021Observed: 3.01 ft at 6:45AM Oct 19, 2021Observed: 3.01 ft at 7:00AM Oct 19, 2021Observed: 3.01 ft at 7:15AM Oct 19, 2021Observed: 3 ft at 7:30AM Oct 19, 2021Observed: 3.01 ft at 7:45AM Oct 19, 2021Observed: 3.01 ft at 8:00AM Oct 19, 2021Observed: 3.02 ft at 8:15AM Oct 19, 2021Observed: 3.02 ft at 8:30AM Oct 19, 2021Observed: 3.02 ft at 8:45AM Oct 19, 2021Observed: 3.02 ft at 9:00AM Oct 19, 2021Observed: 3.01 ft at 9:15AM Oct 19, 2021Observed: 3.01 ft at 9:30AM Oct 19, 2021Observed: 3.01 ft at 9:45AM Oct 19, 2021Observed: 3.02 ft at 10:00AM Oct 19, 2021Observed: 3.01 ft at 10:15AM Oct 19, 2021Observed: 3.02 ft at 10:30AM Oct 19, 2021Observed: 3.01 ft at 10:45AM Oct 19, 2021Observed: 3.01 ft at 11:00AM Oct 19, 2021Observed: 3.01 ft at 11:15AM Oct 19, 2021Observed: 3.01 ft at 11:30AM Oct 19, 2021Observed: 3.01 ft at 11:45AM Oct 19, 2021Observed: 3.02 ft at 12:00PM Oct 19, 2021Observed: 3.01 ft at 12:15PM Oct 19, 2021Observed: 3.01 ft at 12:30PM Oct 19, 2021Observed: 3.02 ft at 12:45PM Oct 19, 2021Observed: 3.02 ft at 1:00PM Oct 19, 2021Observed: 3.01 ft at 1:15PM Oct 19, 2021Observed: 3.03 ft at 1:30PM Oct 19, 2021Observed: 3.02 ft at 1:45PM Oct 19, 2021Observed: 3.01 ft at 2:00PM Oct 19, 2021Observed: 3.02 ft at 2:15PM Oct 19, 2021Observed: 3.02 ft at 2:30PM Oct 19, 2021Observed: 3.01 ft at 2:45PM Oct 19, 2021Observed: 3.01 ft at 3:00PM Oct 19, 2021Observed: 3.02 ft at 3:15PM Oct 19, 2021Observed: 3.03 ft at 3:30PM Oct 19, 2021Observed: 3.02 ft at 3:45PM Oct 19, 2021Observed: 3.02 ft at 4:00PM Oct 19, 2021Observed: 3.02 ft at 4:15PM Oct 19, 2021Observed: 3.02 ft at 4:30PM Oct 19, 2021Observed: 3.02 ft at 4:45PM Oct 19, 2021Observed: 3.02 ft at 5:00PM Oct 19, 2021Observed: 3.01 ft at 5:15PM Oct 19, 2021Observed: 3.01 ft at 5:30PM Oct 19, 2021Observed: 3.02 ft at 5:45PM Oct 19, 2021Observed: 3.02 ft at 6:00PM Oct 19, 2021Observed: 3.02 ft at 6:15PM Oct 19, 2021Observed: 3.01 ft at 6:30PM Oct 19, 2021Observed: 3.02 ft at 6:45PM Oct 19, 2021Observed: 3.01 ft at 7:00PM Oct 19, 2021Observed: 3.02 ft at 7:15PM Oct 19, 2021Observed: 3.02 ft at 7:30PM Oct 19, 2021Observed: 3.02 ft at 7:45PM Oct 19, 2021Observed: 3.02 ft at 8:00PM Oct 19, 2021Observed: 3.02 ft at 8:15PM Oct 19, 2021Observed: 3.02 ft at 8:30PM Oct 19, 2021Observed: 3.02 ft at 8:45PM Oct 19, 2021Observed: 3.02 ft at 9:00PM Oct 19, 2021Observed: 3.02 ft at 9:15PM Oct 19, 2021Observed: 3.03 ft at 9:30PM Oct 19, 2021Observed: 3.03 ft at 9:45PM Oct 19, 2021Observed: 3 ft at 10:00PM Oct 19, 2021Observed: 3 ft at 10:15PM Oct 19, 2021Observed: 3.01 ft at 10:30PM Oct 19, 2021Observed: 3 ft at 10:45PM Oct 19, 2021Observed: 3.01 ft at 11:00PM Oct 19, 2021Observed: 3.02 ft at 11:15PM Oct 19, 2021Observed: 3 ft at 11:30PM Oct 19, 2021Observed: 3.01 ft at 11:45PM Oct 19, 2021Observed: 3.02 ft at 12:00AM Oct 20, 2021Observed: 3.01 ft at 12:15AM Oct 20, 2021Observed: 3 ft at 12:30AM Oct 20, 2021Observed: 3.01 ft at 12:45AM Oct 20, 2021Observed: 3 ft at 1:00AM Oct 20, 2021Observed: 3.01 ft at 1:15AM Oct 20, 2021Observed: 3.01 ft at 1:30AM Oct 20, 2021Observed: 3.02 ft at 1:45AM Oct 20, 2021Observed: 3.01 ft at 2:00AM Oct 20, 2021Observed: 3.01 ft at 2:15AM Oct 20, 2021Observed: 3.01 ft at 2:30AM Oct 20, 2021Observed: 3.01 ft at 2:45AM Oct 20, 2021Observed: 3.02 ft at 3:00AM Oct 20, 2021Observed: 3.01 ft at 3:15AM Oct 20, 2021Observed: 3.01 ft at 3:30AM Oct 20, 2021Observed: 3.05 ft at 3:45AM Oct 20, 2021Observed: 3.02 ft at 4:00AM Oct 20, 2021Observed: 3 ft at 4:15AM Oct 20, 2021Observed: 3 ft at 4:30AM Oct 20, 2021Observed: 3.01 ft at 4:45AM Oct 20, 2021Observed: 3 ft at 5:00AM Oct 20, 2021Observed: 3 ft at 5:15AM Oct 20, 2021Observed: 3.01 ft at 5:30AM Oct 20, 2021Observed: 3 ft at 5:45AM Oct 20, 2021Observed: 3.01 ft at 6:00AM Oct 20, 2021Observed: 3.01 ft at 6:15AM Oct 20, 2021Observed: 3.01 ft at 6:30AM Oct 20, 2021Observed: 3.02 ft at 6:45AM Oct 20, 2021Observed: 3.01 ft at 7:00AM Oct 20, 2021Observed: 3.01 ft at 7:15AM Oct 20, 2021Observed: 3.01 ft at 7:30AM Oct 20, 2021Observed: 3.01 ft at 7:45AM Oct 20, 2021Observed: 3.01 ft at 8:00AM Oct 20, 2021Observed: 3.01 ft at 8:15AM Oct 20, 2021Observed: 3.01 ft at 8:30AM Oct 20, 2021Observed: 3.01 ft at 8:45AM Oct 20, 2021Observed: 3.01 ft at 9:00AM Oct 20, 2021Observed: 3.02 ft at 9:15AM Oct 20, 2021Observed: 3.02 ft at 9:30AM Oct 20, 2021Observed: 3.01 ft at 9:45AM Oct 20, 2021Observed: 3.01 ft at 10:00AM Oct 20, 2021Observed: 3.02 ft at 10:15AM Oct 20, 2021Observed: 3.01 ft at 10:30AM Oct 20, 2021Observed: 3.02 ft at 10:45AM Oct 20, 2021Observed: 3.01 ft at 11:00AM Oct 20, 2021Observed: 3.01 ft at 11:15AM Oct 20, 2021Observed: 3.02 ft at 11:30AM Oct 20, 2021Observed: 3.03 ft at 11:45AM Oct 20, 2021Observed: 3.02 ft at 12:00PM Oct 20, 2021Observed: 3.02 ft at 12:15PM Oct 20, 2021Observed: 3.03 ft at 12:30PM Oct 20, 2021Observed: 3.02 ft at 12:45PM Oct 20, 2021Observed: 3.03 ft at 1:00PM Oct 20, 2021Observed: 3.02 ft at 1:15PM Oct 20, 2021Observed: 3.01 ft at 1:30PM Oct 20, 2021Observed: 3.03 ft at 1:45PM Oct 20, 2021Observed: 3.02 ft at 2:00PM Oct 20, 2021Observed: 3.02 ft at 2:15PM Oct 20, 2021Observed: 3.02 ft at 2:30PM Oct 20, 2021Observed: 3.03 ft at 2:45PM Oct 20, 2021Observed: 3.01 ft at 3:00PM Oct 20, 2021Observed: 3.03 ft at 3:15PM Oct 20, 2021Observed: 3.02 ft at 3:30PM Oct 20, 2021Observed: 3.03 ft at 3:45PM Oct 20, 2021Observed: 3.02 ft at 4:00PM Oct 20, 2021Observed: 3.01 ft at 4:15PM Oct 20, 2021Observed: 3.01 ft at 4:30PM Oct 20, 2021Observed: 3.02 ft at 4:45PM Oct 20, 2021Observed: 3.01 ft at 5:00PM Oct 20, 2021Observed: 3.02 ft at 5:15PM Oct 20, 2021Observed: 3.02 ft at 5:30PM Oct 20, 2021Observed: 3.03 ft at 5:45PM Oct 20, 2021Observed: 3.02 ft at 6:00PM Oct 20, 2021Observed: 3.03 ft at 6:15PM Oct 20, 2021Observed: 3.01 ft at 6:30PM Oct 20, 2021Observed: 3.03 ft at 6:45PM Oct 20, 2021Observed: 3.02 ft at 7:00PM Oct 20, 2021Observed: 3.04 ft at 7:15PM Oct 20, 2021Observed: 3.03 ft at 7:30PM Oct 20, 2021Observed: 3.04 ft at 7:45PM Oct 20, 2021Observed: 3.05 ft at 8:00PM Oct 20, 2021Observed: 3.04 ft at 8:15PM Oct 20, 2021Highest Observation: 3.07 ft at 8:30PM Oct 20, 2021Observed: 3.06 ft at 8:45PM Oct 20, 2021Observed: 3.03 ft at 9:00PM Oct 20, 2021Observed: 3.01 ft at 9:15PM Oct 20, 2021Observed: 3.02 ft at 9:30PM Oct 20, 2021Observed: 3.01 ft at 9:45PM Oct 20, 2021Observed: 3.01 ft at 10:00PM Oct 20, 2021Observed: 3.01 ft at 10:15PM Oct 20, 2021Observed: 3.01 ft at 10:30PM Oct 20, 2021Observed: 3.01 ft at 10:45PM Oct 20, 2021Observed: 3.01 ft at 11:00PM Oct 20, 2021Observed: 3.01 ft at 11:15PM Oct 20, 2021Observed: 3.01 ft at 11:30PM Oct 20, 2021Observed: 3.01 ft at 11:45PM Oct 20, 2021Observed: 3 ft at 12:00AM Oct 21, 2021Observed: 3.02 ft at 12:15AM Oct 21, 2021Observed: 3.01 ft at 12:30AM Oct 21, 2021Observed: 3.01 ft at 12:45AM Oct 21, 2021Observed: 3 ft at 1:00AM Oct 21, 2021Observed: 3 ft at 1:15AM Oct 21, 2021Observed: 3 ft at 1:30AM Oct 21, 2021Observed: 3.01 ft at 1:45AM Oct 21, 2021Observed: 3.01 ft at 2:00AM Oct 21, 2021Observed: 3.01 ft at 2:15AM Oct 21, 2021Observed: 3.01 ft at 2:30AM Oct 21, 2021Observed: 3 ft at 2:45AM Oct 21, 2021Observed: 3 ft at 3:00AM Oct 21, 2021Observed: 3.01 ft at 3:15AM Oct 21, 2021Observed: 3.01 ft at 3:30AM Oct 21, 2021Observed: 3.01 ft at 3:45AM Oct 21, 2021Observed: 3.01 ft at 4:00AM Oct 21, 2021Observed: 3.01 ft at 4:15AM Oct 21, 2021Observed: 3.01 ft at 4:30AM Oct 21, 2021Observed: 3.01 ft at 4:45AM Oct 21, 2021Observed: 3.01 ft at 5:00AM Oct 21, 2021Observed: 3 ft at 5:15AM Oct 21, 2021Observed: 3.01 ft at 5:30AM Oct 21, 2021Observed: 3.02 ft at 5:45AM Oct 21, 2021Observed: 3 ft at 6:00AM Oct 21, 2021Observed: 3.01 ft at 7:15AM Oct 21, 2021Observed: 3 ft at 7:30AM Oct 21, 2021Observed: 3.01 ft at 7:45AM Oct 21, 2021Observed: 3.01 ft at 8:00AM Oct 21, 2021Observed: 3 ft at 8:15AM Oct 21, 2021Observed: 3 ft at 8:30AM Oct 21, 2021Observed: 3.01 ft at 8:45AM Oct 21, 2021Observed: 3 ft at 9:00AM Oct 21, 2021Observed: 3 ft at 9:15AM Oct 21, 2021Observed: 3 ft at 9:30AM Oct 21, 2021Observed: 3 ft at 9:45AM Oct 21, 2021Observed: 3 ft at 10:00AM Oct 21, 2021Observed: 3.01 ft at 10:15AM Oct 21, 2021Observed: 3 ft at 10:30AM Oct 21, 2021Observed: 3 ft at 10:45AM Oct 21, 2021Observed: 3 ft at 11:00AM Oct 21, 2021Observed: 3.01 ft at 11:15AM Oct 21, 2021Observed: 3.01 ft at 11:30AM Oct 21, 2021Observed: 3.01 ft at 11:45AM Oct 21, 2021Observed: 3.01 ft at 12:00PM Oct 21, 2021Observed: 3 ft at 12:15PM Oct 21, 2021Observed: 3 ft at 12:30PM Oct 21, 2021Observed: 3.01 ft at 12:45PM Oct 21, 2021Observed: 3.01 ft at 1:00PM Oct 21, 2021Observed: 3 ft at 1:15PM Oct 21, 2021Observed: 3 ft at 1:30PM Oct 21, 2021Observed: 3.01 ft at 1:45PM Oct 21, 2021Observed: 3.01 ft at 2:00PM Oct 21, 2021Observed: 3.01 ft at 2:15PM Oct 21, 2021Observed: 3 ft at 2:30PM Oct 21, 2021Observed: 3.02 ft at 2:45PM Oct 21, 2021Observed: 3.01 ft at 3:00PM Oct 21, 2021Observed: 3.01 ft at 3:15PM Oct 21, 2021Observed: 3.01 ft at 3:30PM Oct 21, 2021Observed: 3.01 ft at 3:45PM Oct 21, 2021Observed: 3.02 ft at 4:00PM Oct 21, 2021Observed: 3.02 ft at 4:15PM Oct 21, 2021Observed: 3.01 ft at 4:30PM Oct 21, 2021Observed: 3.01 ft at 4:45PM Oct 21, 2021Observed: 3.03 ft at 5:00PM Oct 21, 2021Observed: 3.01 ft at 5:15PM Oct 21, 2021Observed: 3 ft at 5:30PM Oct 21, 2021Observed: 3.01 ft at 5:45PM Oct 21, 2021Observed: 3.02 ft at 6:00PM Oct 21, 2021Observed: 3.01 ft at 6:15PM Oct 21, 2021Observed: 3.01 ft at 6:30PM Oct 21, 2021Observed: 3.01 ft at 6:45PM Oct 21, 2021Observed: 3.01 ft at 7:00PM Oct 21, 2021Observed: 3.01 ft at 7:15PM Oct 21, 2021Observed: 3.02 ft at 7:30PM Oct 21, 2021Observed: 3.01 ft at 7:45PM Oct 21, 2021Observed: 3.01 ft at 8:00PM Oct 21, 2021Observed: 3.01 ft at 8:15PM Oct 21, 2021Observed: 3.02 ft at 8:30PM Oct 21, 2021Observed: 3 ft at 8:45PM Oct 21, 2021Observed: 3.02 ft at 9:00PM Oct 21, 2021Observed: 3.01 ft at 9:15PM Oct 21, 2021Observed: 3 ft at 9:30PM Oct 21, 2021Observed: 3.01 ft at 9:45PM Oct 21, 2021Observed: 3.02 ft at 10:00PM Oct 21, 2021Observed: 3.01 ft at 10:15PM Oct 21, 2021Observed: 3 ft at 10:30PM Oct 21, 2021Observed: 3 ft at 10:45PM Oct 21, 2021Observed: 3 ft at 11:00PM Oct 21, 2021Observed: 2.99 ft at 11:15PM Oct 21, 2021Observed: 3 ft at 11:30PM Oct 21, 2021Observed: 3.01 ft at 11:45PM Oct 21, 2021Observed: 3 ft at 12:00AM Oct 22, 2021Observed: 3 ft at 12:15AM Oct 22, 2021Observed: 3 ft at 12:30AM Oct 22, 2021Observed: 3 ft at 12:45AM Oct 22, 2021Observed: 3.01 ft at 1:00AM Oct 22, 2021Observed: 3.01 ft at 1:15AM Oct 22, 2021Observed: 3 ft at 1:30AM Oct 22, 2021Observed: 3.03 ft at 1:45AM Oct 22, 2021Observed: 3 ft at 2:00AM Oct 22, 2021Observed: 3.02 ft at 2:15AM Oct 22, 2021Observed: 3.01 ft at 2:30AM Oct 22, 2021Observed: 3 ft at 2:45AM Oct 22, 2021Observed: 3.03 ft at 3:00AM Oct 22, 2021Observed: 3.01 ft at 3:15AM Oct 22, 2021Observed: 3.01 ft at 3:30AM Oct 22, 2021Observed: 3.02 ft at 3:45AM Oct 22, 2021Observed: 3.01 ft at 4:00AM Oct 22, 2021Observed: 3.03 ft at 4:15AM Oct 22, 2021Observed: 3.02 ft at 4:30AM Oct 22, 2021Observed: 3.06 ft at 4:45AM Oct 22, 2021Observed: 3.01 ft at 5:00AM Oct 22, 2021Observed: 3.01 ft at 5:15AM Oct 22, 2021Observed: 3.04 ft at 5:30AM Oct 22, 2021Observed: 3.01 ft at 5:45AM Oct 22, 2021Observed: 3.01 ft at 6:00AM Oct 22, 2021Observed: 3.01 ft at 6:15AM Oct 22, 2021Observed: 3.01 ft at 6:30AM Oct 22, 2021Observed: 3.02 ft at 6:45AM Oct 22, 2021Observed: 3.03 ft at 7:00AM Oct 22, 2021Observed: 3.01 ft at 7:15AM Oct 22, 2021Observed: 3.02 ft at 7:30AM Oct 22, 2021Observed: 3.02 ft at 7:45AM Oct 22, 2021Observed: 3.01 ft at 8:00AM Oct 22, 2021Observed: 3.02 ft at 8:15AM Oct 22, 2021Observed: 3.02 ft at 8:30AM Oct 22, 2021Observed: 3.02 ft at 8:45AM Oct 22, 2021Observed: 3.02 ft at 9:00AM Oct 22, 2021Observed: 3.01 ft at 9:15AM Oct 22, 2021Observed: 3.05 ft at 9:30AM Oct 22, 2021Observed: 3.02 ft at 9:45AM Oct 22, 2021Observed: 3.03 ft at 10:00AM Oct 22, 2021Forecast: 3.01 ft 11:00AM Oct 22, 2021Forecast: 3.01 ft 5:00PM Oct 22, 2021Forecast: 3.01 ft 11:00PM Oct 22, 2021Forecast: 3.01 ft 5:00AM Oct 23, 2021Forecast: 3.02 ft 11:00AM Oct 23, 2021Forecast: 3.03 ft 5:00PM Oct 23, 2021Forecast: 3.03 ft 11:00PM Oct 23, 2021Forecast: 3.03 ft 5:00AM Oct 24, 2021Forecast: 3.03 ft 11:00AM Oct 24, 2021Forecast: 3.03 ft 5:00PM Oct 24, 2021Forecast: 3.03 ft 11:00PM Oct 24, 2021Forecast: 3.04 ft 5:00AM Oct 25, 2021Forecast: 3.04 ft 11:00AM Oct 25, 2021Forecast: 3.05 ft 5:00PM Oct 25, 2021Forecast: 3.05 ft 11:00PM Oct 25, 2021Forecast: 3.05 ft 5:00AM Oct 26, 2021Forecast: 3.06 ft 11:00AM Oct 26, 2021Forecast: 3.06 ft 5:00PM Oct 26, 2021Forecast: 3.06 ft 11:00PM Oct 26, 2021Forecast: 3.07 ft 5:00AM Oct 27, 2021Forecast: 3.1 ft 11:00AM Oct 27, 2021Forecast: 3.14 ft 5:00PM Oct 27, 2021Forecast: 3.16 ft 11:00PM Oct 27, 2021Forecast: 3.17 ft 5:00AM Oct 28, 2021Forecast: 3.19 ft 11:00AM Oct 28, 2021Forecast: 3.2 ft 5:00PM Oct 28, 2021Forecast: 3.22 ft 11:00PM Oct 28, 2021Highest Forecast: 3.23 ft 5:00AM Oct 29, 2021USGS--Water Resources of the United StatesTRYO3(plotting HGIRG) Graph Created (10:33AM Oct 22, 2021)ObservedForecast (issued 8:19AM Oct 22)Latest observed value: 3.03 ft at 10:00 AM PDT 22-Oct-2021. Flood Stage is 10 ft
Printable Image
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:
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
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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