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Hydrograph River at a Glance Download
Grande Ronde River at Troy Stage (ft)Flow (cfs)Observed: 3.01 ft at 12:30AM Sep 22, 2022Observed: 3.01 ft at 12:45AM Sep 22, 2022Observed: 3 ft at 1:00AM Sep 22, 2022Observed: 3.01 ft at 1:15AM Sep 22, 2022Observed: 3.01 ft at 1:30AM Sep 22, 2022Observed: 3 ft at 1:45AM Sep 22, 2022Observed: 3.01 ft at 2:00AM Sep 22, 2022Observed: 3.01 ft at 2:15AM Sep 22, 2022Observed: 3.01 ft at 2:30AM Sep 22, 2022Observed: 3.01 ft at 2:45AM Sep 22, 2022Observed: 3.02 ft at 3:00AM Sep 22, 2022Highest Observation: 3.03 ft at 3:15AM Sep 22, 2022Highest Observation: 3.03 ft at 3:30AM Sep 22, 2022Highest Observation: 3.03 ft at 3:45AM Sep 22, 2022Highest Observation: 3.03 ft at 4:00AM Sep 22, 2022Highest Observation: 3.03 ft at 4:15AM Sep 22, 2022Highest Observation: 3.03 ft at 4:30AM Sep 22, 2022Highest Observation: 3.03 ft at 4:45AM Sep 22, 2022Highest Observation: 3.03 ft at 5:00AM Sep 22, 2022Observed: 3.02 ft at 5:15AM Sep 22, 2022Highest Observation: 3.03 ft at 5:30AM Sep 22, 2022Observed: 3.02 ft at 5:45AM Sep 22, 2022Observed: 3.02 ft at 6:00AM Sep 22, 2022Observed: 3.02 ft at 6:15AM Sep 22, 2022Observed: 3.02 ft at 6:30AM Sep 22, 2022Observed: 3.02 ft at 6:45AM Sep 22, 2022Observed: 3.02 ft at 7:00AM Sep 22, 2022Observed: 3.02 ft at 7:15AM Sep 22, 2022Observed: 3.02 ft at 7:30AM Sep 22, 2022Observed: 3.02 ft at 7:45AM Sep 22, 2022Observed: 3.01 ft at 8:00AM Sep 22, 2022Observed: 3.02 ft at 8:15AM Sep 22, 2022Observed: 3.02 ft at 8:30AM Sep 22, 2022Observed: 3.02 ft at 8:45AM Sep 22, 2022Observed: 3.02 ft at 9:00AM Sep 22, 2022Observed: 3.02 ft at 9:15AM Sep 22, 2022Observed: 3.02 ft at 9:30AM Sep 22, 2022Observed: 3.02 ft at 9:45AM Sep 22, 2022Observed: 3.02 ft at 10:00AM Sep 22, 2022Observed: 3.02 ft at 10:15AM Sep 22, 2022Observed: 3.02 ft at 10:30AM Sep 22, 2022Observed: 3.02 ft at 10:45AM Sep 22, 2022Observed: 3.02 ft at 11:00AM Sep 22, 2022Observed: 3.02 ft at 11:15AM Sep 22, 2022Observed: 3.02 ft at 11:30AM Sep 22, 2022Observed: 3.02 ft at 11:45AM Sep 22, 2022Observed: 3.02 ft at 12:00PM Sep 22, 2022Observed: 3.02 ft at 12:15PM Sep 22, 2022Observed: 3.02 ft at 12:30PM Sep 22, 2022Observed: 3.01 ft at 12:45PM Sep 22, 2022Observed: 3.01 ft at 1:00PM Sep 22, 2022Observed: 3.02 ft at 1:15PM Sep 22, 2022Observed: 3 ft at 1:30PM Sep 22, 2022Observed: 3.01 ft at 1:45PM Sep 22, 2022Observed: 3.01 ft at 2:00PM Sep 22, 2022Observed: 3.01 ft at 2:15PM Sep 22, 2022Observed: 3.01 ft at 2:30PM Sep 22, 2022Observed: 3.01 ft at 2:45PM Sep 22, 2022Observed: 3.01 ft at 3:00PM Sep 22, 2022Observed: 3 ft at 3:15PM Sep 22, 2022Observed: 3.01 ft at 3:30PM Sep 22, 2022Observed: 3 ft at 3:45PM Sep 22, 2022Observed: 3 ft at 4:00PM Sep 22, 2022Observed: 3.01 ft at 4:15PM Sep 22, 2022Observed: 3 ft at 4:30PM Sep 22, 2022Observed: 3.01 ft at 4:45PM Sep 22, 2022Observed: 3.01 ft at 5:00PM Sep 22, 2022Observed: 3.01 ft at 5:15PM Sep 22, 2022Observed: 3 ft at 5:30PM Sep 22, 2022Observed: 3 ft at 5:45PM Sep 22, 2022Observed: 3 ft at 6:00PM Sep 22, 2022Observed: 3 ft at 6:15PM Sep 22, 2022Observed: 3.01 ft at 6:30PM Sep 22, 2022Observed: 3 ft at 6:45PM Sep 22, 2022Observed: 3.01 ft at 7:00PM Sep 22, 2022Observed: 3.01 ft at 7:15PM Sep 22, 2022Observed: 3 ft at 7:30PM Sep 22, 2022Observed: 3 ft at 7:45PM Sep 22, 2022Observed: 3 ft at 8:00PM Sep 22, 2022Observed: 3 ft at 8:15PM Sep 22, 2022Observed: 3 ft at 8:30PM Sep 22, 2022Observed: 3 ft at 8:45PM Sep 22, 2022Observed: 3 ft at 9:00PM Sep 22, 2022Observed: 3 ft at 9:15PM Sep 22, 2022Observed: 3.01 ft at 9:30PM Sep 22, 2022Observed: 3 ft at 9:45PM Sep 22, 2022Observed: 3 ft at 10:00PM Sep 22, 2022Observed: 3 ft at 10:15PM Sep 22, 2022Observed: 3 ft at 10:30PM Sep 22, 2022Observed: 3.01 ft at 10:45PM Sep 22, 2022Observed: 3 ft at 11:00PM Sep 22, 2022Observed: 3.01 ft at 11:15PM Sep 22, 2022Observed: 3 ft at 11:30PM Sep 22, 2022Observed: 3.01 ft at 11:45PM Sep 22, 2022Observed: 3 ft at 12:00AM Sep 23, 2022Observed: 3 ft at 12:15AM Sep 23, 2022Observed: 3.01 ft at 12:30AM Sep 23, 2022Observed: 3 ft at 12:45AM Sep 23, 2022Observed: 3 ft at 1:00AM Sep 23, 2022Observed: 3 ft at 1:15AM Sep 23, 2022Observed: 3 ft at 1:30AM Sep 23, 2022Observed: 3.01 ft at 1:45AM Sep 23, 2022Observed: 3.01 ft at 2:00AM Sep 23, 2022Observed: 3 ft at 2:15AM Sep 23, 2022Observed: 3.01 ft at 2:30AM Sep 23, 2022Observed: 3.01 ft at 2:45AM Sep 23, 2022Observed: 3 ft at 3:00AM Sep 23, 2022Observed: 3.01 ft at 3:15AM Sep 23, 2022Observed: 3.01 ft at 3:30AM Sep 23, 2022Observed: 3.01 ft at 3:45AM Sep 23, 2022Observed: 3.01 ft at 4:00AM Sep 23, 2022Observed: 3.01 ft at 4:15AM Sep 23, 2022Observed: 3.01 ft at 4:30AM Sep 23, 2022Observed: 3.02 ft at 4:45AM Sep 23, 2022Observed: 3.02 ft at 5:00AM Sep 23, 2022Observed: 3.02 ft at 5:15AM Sep 23, 2022Observed: 3.02 ft at 5:30AM Sep 23, 2022Observed: 3.02 ft at 5:45AM Sep 23, 2022Observed: 3.01 ft at 6:00AM Sep 23, 2022Observed: 3.01 ft at 6:15AM Sep 23, 2022Observed: 3.01 ft at 6:30AM Sep 23, 2022Observed: 3.01 ft at 6:45AM Sep 23, 2022Observed: 3.02 ft at 7:00AM Sep 23, 2022Observed: 3.01 ft at 7:15AM Sep 23, 2022Observed: 3.01 ft at 7:30AM Sep 23, 2022Observed: 3.02 ft at 7:45AM Sep 23, 2022Observed: 3.02 ft at 8:00AM Sep 23, 2022Observed: 3.02 ft at 8:15AM Sep 23, 2022Observed: 3.01 ft at 8:30AM Sep 23, 2022Observed: 3.02 ft at 8:45AM Sep 23, 2022Observed: 3.02 ft at 9:00AM Sep 23, 2022Observed: 3.02 ft at 9:15AM Sep 23, 2022Observed: 3.02 ft at 9:30AM Sep 23, 2022Observed: 3.02 ft at 9:45AM Sep 23, 2022Observed: 3.02 ft at 10:00AM Sep 23, 2022Observed: 3.02 ft at 10:15AM Sep 23, 2022Observed: 3.02 ft at 10:30AM Sep 23, 2022Observed: 3.02 ft at 10:45AM Sep 23, 2022Observed: 3.02 ft at 11:00AM Sep 23, 2022Observed: 3.02 ft at 11:15AM Sep 23, 2022Observed: 3.02 ft at 11:30AM Sep 23, 2022Observed: 3.02 ft at 11:45AM Sep 23, 2022Highest Observation: 3.03 ft at 12:00PM Sep 23, 2022Observed: 3.02 ft at 12:15PM Sep 23, 2022Observed: 3.02 ft at 12:30PM Sep 23, 2022Highest Observation: 3.03 ft at 12:45PM Sep 23, 2022Highest Observation: 3.03 ft at 1:00PM Sep 23, 2022Highest Observation: 3.03 ft at 1:15PM Sep 23, 2022Observed: 3.02 ft at 1:30PM Sep 23, 2022Observed: 3.02 ft at 1:45PM Sep 23, 2022Highest Observation: 3.03 ft at 2:00PM Sep 23, 2022Observed: 3.02 ft at 2:15PM Sep 23, 2022Highest Observation: 3.03 ft at 2:30PM Sep 23, 2022Observed: 3.02 ft at 2:45PM Sep 23, 2022Observed: 3.02 ft at 3:00PM Sep 23, 2022Observed: 3.02 ft at 3:15PM Sep 23, 2022Observed: 3.02 ft at 3:30PM Sep 23, 2022Observed: 3.02 ft at 3:45PM Sep 23, 2022Observed: 3.02 ft at 4:00PM Sep 23, 2022Observed: 3.02 ft at 4:15PM Sep 23, 2022Observed: 3.02 ft at 4:30PM Sep 23, 2022Observed: 3.02 ft at 4:45PM Sep 23, 2022Observed: 3.02 ft at 5:00PM Sep 23, 2022Observed: 3.02 ft at 5:15PM Sep 23, 2022Observed: 3.02 ft at 5:30PM Sep 23, 2022Observed: 3.02 ft at 5:45PM Sep 23, 2022Observed: 3.02 ft at 6:00PM Sep 23, 2022Observed: 3.02 ft at 6:15PM Sep 23, 2022Observed: 3.02 ft at 6:30PM Sep 23, 2022Observed: 3.02 ft at 6:45PM Sep 23, 2022Observed: 3.02 ft at 7:00PM Sep 23, 2022Observed: 3.02 ft at 7:15PM Sep 23, 2022Observed: 3.02 ft at 7:30PM Sep 23, 2022Observed: 3.01 ft at 7:45PM Sep 23, 2022Observed: 3.02 ft at 8:00PM Sep 23, 2022Observed: 3.02 ft at 8:15PM Sep 23, 2022Observed: 3.02 ft at 8:30PM Sep 23, 2022Observed: 3.02 ft at 8:45PM Sep 23, 2022Observed: 3.02 ft at 9:00PM Sep 23, 2022Observed: 3.02 ft at 9:15PM Sep 23, 2022Observed: 3.02 ft at 9:30PM Sep 23, 2022Observed: 3.02 ft at 9:45PM Sep 23, 2022Observed: 3.02 ft at 10:00PM Sep 23, 2022Observed: 3.02 ft at 10:15PM Sep 23, 2022Observed: 3.02 ft at 10:30PM Sep 23, 2022Observed: 3.02 ft at 10:45PM Sep 23, 2022Observed: 3.02 ft at 11:00PM Sep 23, 2022Highest Observation: 3.03 ft at 11:15PM Sep 23, 2022Observed: 3.02 ft at 11:30PM Sep 23, 2022Observed: 3.02 ft at 11:45PM Sep 23, 2022Observed: 3.02 ft at 12:00AM Sep 24, 2022Observed: 3.02 ft at 12:15AM Sep 24, 2022Highest Observation: 3.03 ft at 12:30AM Sep 24, 2022Observed: 3.02 ft at 12:45AM Sep 24, 2022Observed: 3.02 ft at 1:00AM Sep 24, 2022Observed: 3.02 ft at 1:15AM Sep 24, 2022Observed: 3.02 ft at 1:30AM Sep 24, 2022Observed: 3.02 ft at 1:45AM Sep 24, 2022Observed: 3.02 ft at 2:00AM Sep 24, 2022Observed: 3.02 ft at 2:15AM Sep 24, 2022Observed: 3.02 ft at 2:30AM Sep 24, 2022Observed: 3.02 ft at 2:45AM Sep 24, 2022Observed: 3.02 ft at 3:00AM Sep 24, 2022Observed: 3.02 ft at 3:15AM Sep 24, 2022Highest Observation: 3.03 ft at 3:30AM Sep 24, 2022Observed: 3.02 ft at 3:45AM Sep 24, 2022Observed: 3.02 ft at 4:00AM Sep 24, 2022Observed: 3.02 ft at 4:15AM Sep 24, 2022Observed: 3.02 ft at 4:30AM Sep 24, 2022Observed: 3.02 ft at 4:45AM Sep 24, 2022Observed: 3.02 ft at 5:00AM Sep 24, 2022Observed: 3.02 ft at 5:15AM Sep 24, 2022Highest Observation: 3.03 ft at 5:30AM Sep 24, 2022Observed: 3.02 ft at 5:45AM Sep 24, 2022Observed: 3.02 ft at 6:00AM Sep 24, 2022Observed: 3.02 ft at 6:15AM Sep 24, 2022Highest Observation: 3.03 ft at 6:30AM Sep 24, 2022Observed: 3.02 ft at 6:45AM Sep 24, 2022Observed: 3.02 ft at 7:00AM Sep 24, 2022Observed: 3.02 ft at 7:15AM Sep 24, 2022Observed: 3.02 ft at 7:30AM Sep 24, 2022Highest Observation: 3.03 ft at 7:45AM Sep 24, 2022Observed: 3.02 ft at 8:00AM Sep 24, 2022Highest Observation: 3.03 ft at 8:15AM Sep 24, 2022Observed: 3.02 ft at 8:30AM Sep 24, 2022Observed: 3.02 ft at 8:45AM Sep 24, 2022Observed: 3.02 ft at 9:00AM Sep 24, 2022Observed: 3.02 ft at 9:15AM Sep 24, 2022Observed: 3.02 ft at 9:30AM Sep 24, 2022Highest Observation: 3.03 ft at 9:45AM Sep 24, 2022Highest Observation: 3.03 ft at 10:00AM Sep 24, 2022Observed: 3.02 ft at 10:15AM Sep 24, 2022Observed: 3.02 ft at 10:30AM Sep 24, 2022Highest Observation: 3.03 ft at 10:45AM Sep 24, 2022Highest Observation: 3.03 ft at 11:00AM Sep 24, 2022Highest Observation: 3.03 ft at 11:15AM Sep 24, 2022Highest Observation: 3.03 ft at 11:30AM Sep 24, 2022Observed: 3.02 ft at 11:45AM Sep 24, 2022Observed: 3.02 ft at 12:00PM Sep 24, 2022Observed: 3.02 ft at 12:15PM Sep 24, 2022Highest Observation: 3.03 ft at 12:30PM Sep 24, 2022Observed: 3.02 ft at 12:45PM Sep 24, 2022Observed: 3.02 ft at 1:00PM Sep 24, 2022Observed: 3.02 ft at 1:15PM Sep 24, 2022Observed: 3.02 ft at 1:30PM Sep 24, 2022Observed: 3.02 ft at 1:45PM Sep 24, 2022Observed: 3.02 ft at 2:00PM Sep 24, 2022Observed: 3.02 ft at 2:15PM Sep 24, 2022Observed: 3.02 ft at 2:30PM Sep 24, 2022Observed: 3.02 ft at 2:45PM Sep 24, 2022Observed: 3.01 ft at 3:00PM Sep 24, 2022Observed: 3.02 ft at 3:15PM Sep 24, 2022Observed: 3.01 ft at 3:30PM Sep 24, 2022Observed: 3.01 ft at 3:45PM Sep 24, 2022Observed: 3.01 ft at 4:00PM Sep 24, 2022Observed: 3.01 ft at 4:15PM Sep 24, 2022Observed: 3.01 ft at 4:30PM Sep 24, 2022Observed: 3.01 ft at 4:45PM Sep 24, 2022Observed: 3.01 ft at 5:00PM Sep 24, 2022Observed: 3.01 ft at 5:15PM Sep 24, 2022Observed: 3.01 ft at 5:30PM Sep 24, 2022Observed: 3 ft at 5:45PM Sep 24, 2022Observed: 3.01 ft at 6:00PM Sep 24, 2022Observed: 3.01 ft at 6:15PM Sep 24, 2022Observed: 3 ft at 6:30PM Sep 24, 2022Observed: 3 ft at 6:45PM Sep 24, 2022Observed: 3.01 ft at 7:00PM Sep 24, 2022Observed: 3.01 ft at 7:15PM Sep 24, 2022Observed: 3.01 ft at 7:30PM Sep 24, 2022Observed: 3 ft at 7:45PM Sep 24, 2022Observed: 3.01 ft at 8:00PM Sep 24, 2022Observed: 3 ft at 8:15PM Sep 24, 2022Observed: 3 ft at 8:30PM Sep 24, 2022Observed: 3 ft at 8:45PM Sep 24, 2022Observed: 3 ft at 9:00PM Sep 24, 2022Observed: 3 ft at 9:15PM Sep 24, 2022Observed: 3 ft at 9:30PM Sep 24, 2022Observed: 3 ft at 9:45PM Sep 24, 2022Observed: 3 ft at 10:00PM Sep 24, 2022Observed: 3 ft at 10:15PM Sep 24, 2022Observed: 3 ft at 10:30PM Sep 24, 2022Observed: 3 ft at 10:45PM Sep 24, 2022Observed: 3.01 ft at 11:00PM Sep 24, 2022Observed: 3.01 ft at 11:15PM Sep 24, 2022Observed: 3 ft at 11:30PM Sep 24, 2022Observed: 3 ft at 11:45PM Sep 24, 2022Observed: 3.01 ft at 12:00AM Sep 25, 2022Observed: 3 ft at 12:15AM Sep 25, 2022Observed: 3 ft at 12:30AM Sep 25, 2022Observed: 3 ft at 12:45AM Sep 25, 2022Observed: 3 ft at 1:00AM Sep 25, 2022Observed: 3 ft at 1:15AM Sep 25, 2022Observed: 3.01 ft at 1:30AM Sep 25, 2022Observed: 3.01 ft at 1:45AM Sep 25, 2022Observed: 3.01 ft at 2:00AM Sep 25, 2022Observed: 3 ft at 2:15AM Sep 25, 2022Observed: 3.01 ft at 2:30AM Sep 25, 2022Observed: 3 ft at 2:45AM Sep 25, 2022Observed: 3.01 ft at 3:00AM Sep 25, 2022Observed: 3.01 ft at 3:15AM Sep 25, 2022Observed: 3.01 ft at 3:30AM Sep 25, 2022Observed: 3.01 ft at 3:45AM Sep 25, 2022Observed: 3.01 ft at 4:00AM Sep 25, 2022Observed: 3.01 ft at 4:15AM Sep 25, 2022Observed: 3 ft at 4:30AM Sep 25, 2022Observed: 3.01 ft at 4:45AM Sep 25, 2022Observed: 3.01 ft at 5:00AM Sep 25, 2022Observed: 3 ft at 5:15AM Sep 25, 2022Observed: 3.01 ft at 5:30AM Sep 25, 2022Observed: 3.01 ft at 5:45AM Sep 25, 2022Observed: 3.01 ft at 6:00AM Sep 25, 2022Observed: 3.01 ft at 6:15AM Sep 25, 2022Observed: 3.01 ft at 6:30AM Sep 25, 2022Observed: 3.01 ft at 6:45AM Sep 25, 2022Observed: 3.01 ft at 7:00AM Sep 25, 2022Observed: 3.01 ft at 7:15AM Sep 25, 2022Observed: 3.01 ft at 7:30AM Sep 25, 2022Observed: 3.01 ft at 7:45AM Sep 25, 2022Observed: 3.01 ft at 8:00AM Sep 25, 2022Observed: 3 ft at 8:15AM Sep 25, 2022Observed: 3.01 ft at 8:30AM Sep 25, 2022Observed: 3.01 ft at 8:45AM Sep 25, 2022Observed: 3.02 ft at 9:00AM Sep 25, 2022Observed: 3.01 ft at 9:15AM Sep 25, 2022Observed: 3.01 ft at 9:30AM Sep 25, 2022Observed: 3.01 ft at 9:45AM Sep 25, 2022Observed: 3.01 ft at 10:00AM Sep 25, 2022Observed: 3.01 ft at 10:15AM Sep 25, 2022Observed: 3.01 ft at 10:30AM Sep 25, 2022Observed: 3.01 ft at 10:45AM Sep 25, 2022Observed: 3.01 ft at 11:00AM Sep 25, 2022Observed: 3.01 ft at 11:15AM Sep 25, 2022Observed: 3.01 ft at 11:30AM Sep 25, 2022Observed: 3.01 ft at 11:45AM Sep 25, 2022Observed: 3.01 ft at 12:00PM Sep 25, 2022Observed: 3.01 ft at 12:15PM Sep 25, 2022Observed: 3.01 ft at 12:30PM Sep 25, 2022Observed: 3 ft at 12:45PM Sep 25, 2022Observed: 3.01 ft at 1:00PM Sep 25, 2022Observed: 3 ft at 1:15PM Sep 25, 2022Observed: 3.01 ft at 1:30PM Sep 25, 2022Observed: 3.01 ft at 1:45PM Sep 25, 2022Observed: 3.01 ft at 2:00PM Sep 25, 2022Observed: 3 ft at 2:15PM Sep 25, 2022Observed: 3 ft at 2:30PM Sep 25, 2022Observed: 3.01 ft at 2:45PM Sep 25, 2022Observed: 3 ft at 3:00PM Sep 25, 2022Observed: 3.01 ft at 3:15PM Sep 25, 2022Observed: 3 ft at 3:30PM Sep 25, 2022Observed: 3 ft at 3:45PM Sep 25, 2022Observed: 3 ft at 4:00PM Sep 25, 2022Observed: 2.99 ft at 4:15PM Sep 25, 2022Observed: 2.99 ft at 4:30PM Sep 25, 2022Observed: 3 ft at 4:45PM Sep 25, 2022Observed: 3 ft at 5:00PM Sep 25, 2022Observed: 2.99 ft at 5:15PM Sep 25, 2022Observed: 2.99 ft at 5:30PM Sep 25, 2022Observed: 2.99 ft at 5:45PM Sep 25, 2022Observed: 2.99 ft at 6:00PM Sep 25, 2022Observed: 2.99 ft at 6:15PM Sep 25, 2022Observed: 2.99 ft at 6:30PM Sep 25, 2022Observed: 2.99 ft at 6:45PM Sep 25, 2022Observed: 2.99 ft at 7:00PM Sep 25, 2022Observed: 2.99 ft at 7:15PM Sep 25, 2022Observed: 2.99 ft at 7:30PM Sep 25, 2022Observed: 2.98 ft at 7:45PM Sep 25, 2022Observed: 2.99 ft at 8:00PM Sep 25, 2022Observed: 2.99 ft at 8:15PM Sep 25, 2022Observed: 2.99 ft at 8:30PM Sep 25, 2022Observed: 2.98 ft at 8:45PM Sep 25, 2022Observed: 2.98 ft at 9:00PM Sep 25, 2022Observed: 2.99 ft at 9:15PM Sep 25, 2022Observed: 2.99 ft at 9:30PM Sep 25, 2022Observed: 2.99 ft at 9:45PM Sep 25, 2022Observed: 2.99 ft at 10:00PM Sep 25, 2022Observed: 2.98 ft at 10:15PM Sep 25, 2022Observed: 2.99 ft at 10:30PM Sep 25, 2022Observed: 2.99 ft at 10:45PM Sep 25, 2022Observed: 2.99 ft at 11:00PM Sep 25, 2022Observed: 2.99 ft at 11:15PM Sep 25, 2022Observed: 2.98 ft at 11:30PM Sep 25, 2022Observed: 2.99 ft at 11:45PM Sep 25, 2022Observed: 2.99 ft at 12:00AM Sep 26, 2022Forecast: 3 ft 5:00AM Sep 26, 2022Highest Forecast: 3.01 ft 11:00AM Sep 26, 2022Highest Forecast: 3.01 ft 5:00PM Sep 26, 2022Highest Forecast: 3.01 ft 11:00PM Sep 26, 2022Highest Forecast: 3.01 ft 5:00AM Sep 27, 2022Highest Forecast: 3.01 ft 11:00AM Sep 27, 2022Highest Forecast: 3.01 ft 5:00PM Sep 27, 2022Highest Forecast: 3.01 ft 11:00PM Sep 27, 2022Highest Forecast: 3.01 ft 5:00AM Sep 28, 2022Highest Forecast: 3.01 ft 11:00AM Sep 28, 2022Highest Forecast: 3.01 ft 5:00PM Sep 28, 2022Highest Forecast: 3.01 ft 11:00PM Sep 28, 2022Highest Forecast: 3.01 ft 5:00AM Sep 29, 2022Highest Forecast: 3.01 ft 11:00AM Sep 29, 2022Forecast: 3 ft 5:00PM Sep 29, 2022Forecast: 3 ft 11:00PM Sep 29, 2022Forecast: 3 ft 5:00AM Sep 30, 2022Forecast: 3 ft 11:00AM Sep 30, 2022Forecast: 3 ft 5:00PM Sep 30, 2022Forecast: 3 ft 11:00PM Sep 30, 2022Forecast: 3 ft 5:00AM Oct 01, 2022Forecast: 3 ft 11:00AM Oct 01, 2022Forecast: 3 ft 5:00PM Oct 01, 2022Forecast: 3 ft 11:00PM Oct 01, 2022Forecast: 3 ft 5:00AM Oct 02, 2022Forecast: 3 ft 11:00AM Oct 02, 2022Forecast: 3 ft 5:00PM Oct 02, 2022Forecast: 3 ft 11:00PM Oct 02, 2022USGS--Water Resources of the United StatesTRYO3(plotting HGIRG) Graph Created (12:18AM Sep 26, 2022)ObservedForecast (issued 10:24AM Sep 25)Latest observed value: 2.99 ft at 12:00 AM PDT 26-Sep-2022. 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.
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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.
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National Weather Service
Pendleton Weather Forecast Office
2001 NW 56th Drive
Pendleton, OR 97801
(541) 276-7832
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