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Hydrograph River at a Glance Download
Grande Ronde River at Troy Stage (ft)Flow (cfs)Observed: 2.87 ft at 12:00PM Sep 19, 2023Observed: 2.87 ft at 12:15PM Sep 19, 2023Observed: 2.88 ft at 12:30PM Sep 19, 2023Observed: 2.89 ft at 12:45PM Sep 19, 2023Observed: 2.89 ft at 1:00PM Sep 19, 2023Observed: 2.87 ft at 1:15PM Sep 19, 2023Observed: 2.87 ft at 1:30PM Sep 19, 2023Observed: 2.88 ft at 1:45PM Sep 19, 2023Observed: 2.87 ft at 2:00PM Sep 19, 2023Observed: 2.88 ft at 2:15PM Sep 19, 2023Observed: 2.88 ft at 2:30PM Sep 19, 2023Observed: 2.87 ft at 2:45PM Sep 19, 2023Observed: 2.88 ft at 3:00PM Sep 19, 2023Observed: 2.88 ft at 3:15PM Sep 19, 2023Observed: 2.89 ft at 3:30PM Sep 19, 2023Observed: 2.89 ft at 3:45PM Sep 19, 2023Observed: 2.89 ft at 4:00PM Sep 19, 2023Observed: 2.89 ft at 4:15PM Sep 19, 2023Observed: 2.89 ft at 4:30PM Sep 19, 2023Observed: 2.89 ft at 4:45PM Sep 19, 2023Observed: 2.89 ft at 5:00PM Sep 19, 2023Observed: 2.89 ft at 5:15PM Sep 19, 2023Observed: 2.89 ft at 5:30PM Sep 19, 2023Observed: 2.89 ft at 5:45PM Sep 19, 2023Observed: 2.89 ft at 6:00PM Sep 19, 2023Observed: 2.88 ft at 6:15PM Sep 19, 2023Observed: 2.86 ft at 6:30PM Sep 19, 2023Observed: 2.87 ft at 6:45PM Sep 19, 2023Observed: 2.87 ft at 7:00PM Sep 19, 2023Observed: 2.88 ft at 7:15PM Sep 19, 2023Observed: 2.88 ft at 7:30PM Sep 19, 2023Observed: 2.88 ft at 7:45PM Sep 19, 2023Observed: 2.88 ft at 8:00PM Sep 19, 2023Observed: 2.89 ft at 8:15PM Sep 19, 2023Observed: 2.88 ft at 8:30PM Sep 19, 2023Observed: 2.88 ft at 8:45PM Sep 19, 2023Observed: 2.86 ft at 9:00PM Sep 19, 2023Observed: 2.87 ft at 9:15PM Sep 19, 2023Observed: 2.85 ft at 9:30PM Sep 19, 2023Observed: 2.86 ft at 9:45PM Sep 19, 2023Observed: 2.85 ft at 10:00PM Sep 19, 2023Observed: 2.86 ft at 10:15PM Sep 19, 2023Observed: 2.85 ft at 10:30PM Sep 19, 2023Observed: 2.85 ft at 10:45PM Sep 19, 2023Observed: 2.85 ft at 11:00PM Sep 19, 2023Observed: 2.85 ft at 11:15PM Sep 19, 2023Observed: 2.85 ft at 11:30PM Sep 19, 2023Observed: 2.85 ft at 11:45PM Sep 19, 2023Observed: 2.86 ft at 12:00AM Sep 20, 2023Observed: 2.85 ft at 12:15AM Sep 20, 2023Observed: 2.86 ft at 12:30AM Sep 20, 2023Observed: 2.84 ft at 12:45AM Sep 20, 2023Observed: 2.87 ft at 1:00AM Sep 20, 2023Observed: 2.84 ft at 1:15AM Sep 20, 2023Observed: 2.84 ft at 1:30AM Sep 20, 2023Observed: 2.85 ft at 1:45AM Sep 20, 2023Observed: 2.84 ft at 2:00AM Sep 20, 2023Observed: 2.85 ft at 2:15AM Sep 20, 2023Observed: 2.85 ft at 2:30AM Sep 20, 2023Observed: 2.87 ft at 2:45AM Sep 20, 2023Observed: 2.85 ft at 3:00AM Sep 20, 2023Observed: 2.87 ft at 3:15AM Sep 20, 2023Observed: 2.86 ft at 3:30AM Sep 20, 2023Observed: 2.87 ft at 3:45AM Sep 20, 2023Observed: 2.87 ft at 4:00AM Sep 20, 2023Observed: 2.87 ft at 4:15AM Sep 20, 2023Observed: 2.86 ft at 4:30AM Sep 20, 2023Observed: 2.87 ft at 4:45AM Sep 20, 2023Observed: 2.87 ft at 5:00AM Sep 20, 2023Observed: 2.87 ft at 5:15AM Sep 20, 2023Observed: 2.87 ft at 5:30AM Sep 20, 2023Observed: 2.87 ft at 5:45AM Sep 20, 2023Observed: 2.87 ft at 6:00AM Sep 20, 2023Observed: 2.87 ft at 6:15AM Sep 20, 2023Observed: 2.87 ft at 6:30AM Sep 20, 2023Observed: 2.87 ft at 6:45AM Sep 20, 2023Observed: 2.86 ft at 7:00AM Sep 20, 2023Observed: 2.87 ft at 7:15AM Sep 20, 2023Observed: 2.87 ft at 7:30AM Sep 20, 2023Observed: 2.87 ft at 7:45AM Sep 20, 2023Observed: 2.88 ft at 8:00AM Sep 20, 2023Observed: 2.86 ft at 8:15AM Sep 20, 2023Observed: 2.86 ft at 8:30AM Sep 20, 2023Observed: 2.87 ft at 8:45AM Sep 20, 2023Observed: 2.86 ft at 9:00AM Sep 20, 2023Observed: 2.88 ft at 9:15AM Sep 20, 2023Observed: 2.88 ft at 9:30AM Sep 20, 2023Observed: 2.89 ft at 9:45AM Sep 20, 2023Observed: 2.89 ft at 10:00AM Sep 20, 2023Observed: 2.89 ft at 10:15AM Sep 20, 2023Observed: 2.89 ft at 10:30AM Sep 20, 2023Observed: 2.89 ft at 10:45AM Sep 20, 2023Observed: 2.89 ft at 11:00AM Sep 20, 2023Observed: 2.9 ft at 11:15AM Sep 20, 2023Observed: 2.9 ft at 11:30AM Sep 20, 2023Observed: 2.9 ft at 11:45AM Sep 20, 2023Observed: 2.89 ft at 12:00PM Sep 20, 2023Observed: 2.89 ft at 12:15PM Sep 20, 2023Observed: 2.89 ft at 12:30PM Sep 20, 2023Observed: 2.87 ft at 12:45PM Sep 20, 2023Observed: 2.88 ft at 1:00PM Sep 20, 2023Observed: 2.9 ft at 1:15PM Sep 20, 2023Observed: 2.89 ft at 1:30PM Sep 20, 2023Observed: 2.89 ft at 1:45PM Sep 20, 2023Observed: 2.9 ft at 2:00PM Sep 20, 2023Observed: 2.91 ft at 2:15PM Sep 20, 2023Observed: 2.91 ft at 2:30PM Sep 20, 2023Observed: 2.9 ft at 2:45PM Sep 20, 2023Observed: 2.88 ft at 3:00PM Sep 20, 2023Observed: 2.88 ft at 3:15PM Sep 20, 2023Observed: 2.88 ft at 3:30PM Sep 20, 2023Observed: 2.9 ft at 3:45PM Sep 20, 2023Observed: 2.9 ft at 4:00PM Sep 20, 2023Observed: 2.9 ft at 4:15PM Sep 20, 2023Observed: 2.88 ft at 4:30PM Sep 20, 2023Observed: 2.88 ft at 4:45PM Sep 20, 2023Observed: 2.89 ft at 5:00PM Sep 20, 2023Observed: 2.89 ft at 5:15PM Sep 20, 2023Observed: 2.9 ft at 5:30PM Sep 20, 2023Observed: 2.9 ft at 5:45PM Sep 20, 2023Observed: 2.9 ft at 6:00PM Sep 20, 2023Observed: 2.9 ft at 6:15PM Sep 20, 2023Observed: 2.9 ft at 6:30PM Sep 20, 2023Observed: 2.89 ft at 6:45PM Sep 20, 2023Observed: 2.9 ft at 7:00PM Sep 20, 2023Observed: 2.89 ft at 7:15PM Sep 20, 2023Observed: 2.9 ft at 7:30PM Sep 20, 2023Observed: 2.9 ft at 7:45PM Sep 20, 2023Observed: 2.9 ft at 8:00PM Sep 20, 2023Observed: 2.9 ft at 8:15PM Sep 20, 2023Observed: 2.9 ft at 8:30PM Sep 20, 2023Observed: 2.89 ft at 8:45PM Sep 20, 2023Observed: 2.9 ft at 9:00PM Sep 20, 2023Observed: 2.9 ft at 9:15PM Sep 20, 2023Observed: 2.91 ft at 9:30PM Sep 20, 2023Observed: 2.91 ft at 9:45PM Sep 20, 2023Observed: 2.91 ft at 10:00PM Sep 20, 2023Observed: 2.92 ft at 10:15PM Sep 20, 2023Observed: 2.92 ft at 10:30PM Sep 20, 2023Observed: 2.92 ft at 10:45PM Sep 20, 2023Observed: 2.91 ft at 11:00PM Sep 20, 2023Observed: 2.91 ft at 11:15PM Sep 20, 2023Observed: 2.91 ft at 11:30PM Sep 20, 2023Observed: 2.92 ft at 11:45PM Sep 20, 2023Observed: 2.92 ft at 12:00AM Sep 21, 2023Observed: 2.91 ft at 12:15AM Sep 21, 2023Observed: 2.92 ft at 12:30AM Sep 21, 2023Observed: 2.91 ft at 12:45AM Sep 21, 2023Observed: 2.93 ft at 1:00AM Sep 21, 2023Observed: 2.92 ft at 1:15AM Sep 21, 2023Observed: 2.92 ft at 1:30AM Sep 21, 2023Observed: 2.93 ft at 1:45AM Sep 21, 2023Observed: 2.92 ft at 2:00AM Sep 21, 2023Observed: 2.93 ft at 2:15AM Sep 21, 2023Observed: 2.93 ft at 2:30AM Sep 21, 2023Observed: 2.93 ft at 2:45AM Sep 21, 2023Observed: 2.93 ft at 3:00AM Sep 21, 2023Observed: 2.93 ft at 3:15AM Sep 21, 2023Observed: 2.93 ft at 3:30AM Sep 21, 2023Observed: 2.94 ft at 3:45AM Sep 21, 2023Observed: 2.94 ft at 4:00AM Sep 21, 2023Observed: 2.94 ft at 5:15AM Sep 21, 2023Observed: 2.95 ft at 5:30AM Sep 21, 2023Observed: 2.95 ft at 5:45AM Sep 21, 2023Observed: 2.94 ft at 6:00AM Sep 21, 2023Observed: 2.94 ft at 6:15AM Sep 21, 2023Observed: 2.95 ft at 6:30AM Sep 21, 2023Observed: 2.95 ft at 6:45AM Sep 21, 2023Observed: 2.95 ft at 7:00AM Sep 21, 2023Observed: 2.96 ft at 7:15AM Sep 21, 2023Observed: 2.96 ft at 7:30AM Sep 21, 2023Observed: 2.96 ft at 7:45AM Sep 21, 2023Observed: 2.97 ft at 8:00AM Sep 21, 2023Observed: 2.97 ft at 8:15AM Sep 21, 2023Observed: 2.97 ft at 8:30AM Sep 21, 2023Observed: 2.98 ft at 8:45AM Sep 21, 2023Observed: 2.98 ft at 9:00AM Sep 21, 2023Observed: 2.98 ft at 9:15AM Sep 21, 2023Observed: 2.98 ft at 9:30AM Sep 21, 2023Observed: 3 ft at 9:45AM Sep 21, 2023Observed: 2.99 ft at 10:00AM Sep 21, 2023Observed: 2.98 ft at 10:15AM Sep 21, 2023Observed: 2.99 ft at 10:30AM Sep 21, 2023Observed: 2.99 ft at 10:45AM Sep 21, 2023Observed: 2.99 ft at 11:00AM Sep 21, 2023Observed: 2.98 ft at 11:15AM Sep 21, 2023Observed: 3 ft at 11:30AM Sep 21, 2023Observed: 2.99 ft at 11:45AM Sep 21, 2023Observed: 2.98 ft at 12:00PM Sep 21, 2023Observed: 2.99 ft at 12:15PM Sep 21, 2023Observed: 3 ft at 12:30PM Sep 21, 2023Observed: 3 ft at 12:45PM Sep 21, 2023Observed: 3 ft at 1:00PM Sep 21, 2023Observed: 3 ft at 1:15PM Sep 21, 2023Observed: 3.01 ft at 1:30PM Sep 21, 2023Observed: 3.01 ft at 1:45PM Sep 21, 2023Observed: 3.01 ft at 2:00PM Sep 21, 2023Observed: 3.01 ft at 2:15PM Sep 21, 2023Observed: 3.01 ft at 2:30PM Sep 21, 2023Observed: 3.01 ft at 2:45PM Sep 21, 2023Observed: 3.01 ft at 3:00PM Sep 21, 2023Observed: 3.02 ft at 3:15PM Sep 21, 2023Observed: 3.01 ft at 3:30PM Sep 21, 2023Observed: 3.02 ft at 3:45PM Sep 21, 2023Observed: 3.03 ft at 4:00PM Sep 21, 2023Observed: 3.03 ft at 4:15PM Sep 21, 2023Observed: 3.02 ft at 4:30PM Sep 21, 2023Observed: 3.03 ft at 4:45PM Sep 21, 2023Observed: 3.04 ft at 5:00PM Sep 21, 2023Observed: 3.04 ft at 5:15PM Sep 21, 2023Observed: 3.04 ft at 5:30PM Sep 21, 2023Observed: 3.03 ft at 5:45PM Sep 21, 2023Observed: 3.04 ft at 6:00PM Sep 21, 2023Observed: 3.04 ft at 6:15PM Sep 21, 2023Observed: 3.04 ft at 6:30PM Sep 21, 2023Observed: 3.05 ft at 6:45PM Sep 21, 2023Observed: 3.05 ft at 7:00PM Sep 21, 2023Observed: 3.05 ft at 7:15PM Sep 21, 2023Observed: 3.05 ft at 7:30PM Sep 21, 2023Observed: 3.06 ft at 7:45PM Sep 21, 2023Observed: 3.06 ft at 8:00PM Sep 21, 2023Observed: 3.07 ft at 8:15PM Sep 21, 2023Observed: 3.08 ft at 8:30PM Sep 21, 2023Observed: 3.08 ft at 8:45PM Sep 21, 2023Observed: 3.09 ft at 9:00PM Sep 21, 2023Observed: 3.07 ft at 9:15PM Sep 21, 2023Observed: 3.09 ft at 9:30PM Sep 21, 2023Observed: 3.09 ft at 9:45PM Sep 21, 2023Observed: 3.09 ft at 10:00PM Sep 21, 2023Observed: 3.09 ft at 10:15PM Sep 21, 2023Observed: 3.09 ft at 10:30PM Sep 21, 2023Observed: 3.1 ft at 10:45PM Sep 21, 2023Observed: 3.1 ft at 11:00PM Sep 21, 2023Observed: 3.11 ft at 11:15PM Sep 21, 2023Observed: 3.12 ft at 11:30PM Sep 21, 2023Observed: 3.11 ft at 11:45PM Sep 21, 2023Observed: 3.11 ft at 12:00AM Sep 22, 2023Observed: 3.1 ft at 12:15AM Sep 22, 2023Observed: 3.1 ft at 12:30AM Sep 22, 2023Observed: 3.12 ft at 12:45AM Sep 22, 2023Observed: 3.11 ft at 1:00AM Sep 22, 2023Observed: 3.11 ft at 1:15AM Sep 22, 2023Observed: 3.1 ft at 1:30AM Sep 22, 2023Observed: 3.11 ft at 1:45AM Sep 22, 2023Observed: 3.11 ft at 2:00AM Sep 22, 2023Observed: 3.11 ft at 2:15AM Sep 22, 2023Observed: 3.11 ft at 2:30AM Sep 22, 2023Observed: 3.11 ft at 2:45AM Sep 22, 2023Observed: 3.12 ft at 3:00AM Sep 22, 2023Observed: 3.11 ft at 3:15AM Sep 22, 2023Observed: 3.11 ft at 3:30AM Sep 22, 2023Observed: 3.11 ft at 3:45AM Sep 22, 2023Highest Observation: 3.13 ft at 4:00AM Sep 22, 2023Observed: 3.12 ft at 4:15AM Sep 22, 2023Observed: 3.11 ft at 4:30AM Sep 22, 2023Observed: 3.09 ft at 4:45AM Sep 22, 2023Observed: 3.08 ft at 5:00AM Sep 22, 2023Observed: 3.11 ft at 5:15AM Sep 22, 2023Observed: 3.11 ft at 5:30AM Sep 22, 2023Observed: 3.12 ft at 5:45AM Sep 22, 2023Highest Observation: 3.13 ft at 6:00AM Sep 22, 2023Observed: 3.12 ft at 6:15AM Sep 22, 2023Observed: 3.11 ft at 6:30AM Sep 22, 2023Observed: 3.12 ft at 6:45AM Sep 22, 2023Observed: 3.11 ft at 7:00AM Sep 22, 2023Observed: 3.12 ft at 7:15AM Sep 22, 2023Observed: 3.12 ft at 7:30AM Sep 22, 2023Highest Observation: 3.13 ft at 7:45AM Sep 22, 2023Observed: 3.12 ft at 8:00AM Sep 22, 2023Observed: 3.11 ft at 8:15AM Sep 22, 2023Observed: 3.11 ft at 8:30AM Sep 22, 2023Observed: 3.11 ft at 8:45AM Sep 22, 2023Observed: 3.11 ft at 9:00AM Sep 22, 2023Observed: 3.1 ft at 9:15AM Sep 22, 2023Observed: 3.11 ft at 9:30AM Sep 22, 2023Observed: 3.1 ft at 9:45AM Sep 22, 2023Observed: 3.11 ft at 10:00AM Sep 22, 2023Observed: 3.1 ft at 10:15AM Sep 22, 2023Observed: 3.09 ft at 10:30AM Sep 22, 2023Observed: 3.1 ft at 10:45AM Sep 22, 2023Observed: 3.1 ft at 11:00AM Sep 22, 2023Observed: 3.1 ft at 11:15AM Sep 22, 2023Observed: 3.11 ft at 11:30AM Sep 22, 2023Observed: 3.11 ft at 11:45AM Sep 22, 2023Observed: 3.1 ft at 12:00PM Sep 22, 2023Observed: 3.1 ft at 12:15PM Sep 22, 2023Observed: 3.1 ft at 12:30PM Sep 22, 2023Observed: 3.1 ft at 12:45PM Sep 22, 2023Observed: 3.1 ft at 1:00PM Sep 22, 2023Observed: 3.08 ft at 1:15PM Sep 22, 2023Observed: 3.09 ft at 1:30PM Sep 22, 2023Observed: 3.1 ft at 1:45PM Sep 22, 2023Observed: 3.09 ft at 2:00PM Sep 22, 2023Observed: 3.1 ft at 2:15PM Sep 22, 2023Observed: 3.1 ft at 2:30PM Sep 22, 2023Observed: 3.09 ft at 2:45PM Sep 22, 2023Observed: 3.09 ft at 3:00PM Sep 22, 2023Observed: 3.08 ft at 3:15PM Sep 22, 2023Observed: 3.1 ft at 3:30PM Sep 22, 2023Observed: 3.1 ft at 3:45PM Sep 22, 2023Observed: 3.09 ft at 4:00PM Sep 22, 2023Observed: 3.11 ft at 4:15PM Sep 22, 2023Observed: 3.06 ft at 4:30PM Sep 22, 2023Observed: 3.1 ft at 4:45PM Sep 22, 2023Observed: 3.1 ft at 5:00PM Sep 22, 2023Observed: 3.1 ft at 5:15PM Sep 22, 2023Observed: 3.08 ft at 5:30PM Sep 22, 2023Observed: 3.08 ft at 5:45PM Sep 22, 2023Observed: 3.08 ft at 6:00PM Sep 22, 2023Observed: 3.08 ft at 6:15PM Sep 22, 2023Observed: 3.08 ft at 6:30PM Sep 22, 2023Observed: 3.07 ft at 6:45PM Sep 22, 2023Observed: 3.08 ft at 7:00PM Sep 22, 2023Observed: 3.08 ft at 7:15PM Sep 22, 2023Observed: 3.09 ft at 7:30PM Sep 22, 2023Observed: 3.08 ft at 7:45PM Sep 22, 2023Observed: 3.09 ft at 8:00PM Sep 22, 2023Observed: 3.07 ft at 8:15PM Sep 22, 2023Observed: 3.09 ft at 8:30PM Sep 22, 2023Observed: 3.08 ft at 8:45PM Sep 22, 2023Observed: 3.08 ft at 9:00PM Sep 22, 2023Observed: 3.09 ft at 10:15PM Sep 22, 2023Observed: 3.08 ft at 10:30PM Sep 22, 2023Observed: 3.09 ft at 10:45PM Sep 22, 2023Observed: 3.09 ft at 11:00PM Sep 22, 2023Observed: 3.08 ft at 11:15PM Sep 22, 2023Observed: 3.08 ft at 11:30PM Sep 22, 2023Observed: 3.08 ft at 11:45PM Sep 22, 2023Observed: 3.08 ft at 12:00AM Sep 23, 2023Observed: 3.08 ft at 12:15AM Sep 23, 2023Observed: 3.08 ft at 12:30AM Sep 23, 2023Observed: 3.08 ft at 12:45AM Sep 23, 2023Observed: 3.09 ft at 1:00AM Sep 23, 2023Observed: 3.07 ft at 1:15AM Sep 23, 2023Observed: 3.08 ft at 1:30AM Sep 23, 2023Observed: 3.08 ft at 1:45AM Sep 23, 2023Observed: 3.07 ft at 2:00AM Sep 23, 2023Observed: 3.07 ft at 2:15AM Sep 23, 2023Observed: 3.07 ft at 2:30AM Sep 23, 2023Observed: 3.07 ft at 2:45AM Sep 23, 2023Observed: 3.07 ft at 3:00AM Sep 23, 2023Observed: 3.07 ft at 3:15AM Sep 23, 2023Observed: 3.08 ft at 3:30AM Sep 23, 2023Observed: 3.07 ft at 3:45AM Sep 23, 2023Observed: 3.08 ft at 4:00AM Sep 23, 2023Observed: 3.06 ft at 4:15AM Sep 23, 2023Observed: 3.06 ft at 4:30AM Sep 23, 2023Observed: 3.07 ft at 4:45AM Sep 23, 2023Observed: 3.07 ft at 5:00AM Sep 23, 2023Observed: 3.07 ft at 5:15AM Sep 23, 2023Observed: 3.06 ft at 5:30AM Sep 23, 2023Observed: 3.06 ft at 5:45AM Sep 23, 2023Observed: 3.06 ft at 6:00AM Sep 23, 2023Observed: 3.07 ft at 6:15AM Sep 23, 2023Observed: 3.06 ft at 6:30AM Sep 23, 2023Observed: 3.06 ft at 6:45AM Sep 23, 2023Observed: 3.07 ft at 7:00AM Sep 23, 2023Observed: 3.06 ft at 7:15AM Sep 23, 2023Observed: 3.06 ft at 7:30AM Sep 23, 2023Observed: 3.06 ft at 7:45AM Sep 23, 2023Observed: 3.06 ft at 8:00AM Sep 23, 2023Observed: 3.06 ft at 8:15AM Sep 23, 2023Observed: 3.05 ft at 8:30AM Sep 23, 2023Observed: 3.06 ft at 8:45AM Sep 23, 2023Observed: 3.06 ft at 9:00AM Sep 23, 2023Observed: 3.06 ft at 9:15AM Sep 23, 2023Observed: 3.05 ft at 9:30AM Sep 23, 2023Observed: 3.05 ft at 9:45AM Sep 23, 2023Observed: 3.06 ft at 10:00AM Sep 23, 2023Highest Forecast: 3.07 ft 5:00PM Sep 23, 2023Highest Forecast: 3.07 ft 11:00PM Sep 23, 2023Forecast: 3.06 ft 5:00AM Sep 24, 2023Forecast: 3.06 ft 11:00AM Sep 24, 2023Forecast: 3.05 ft 5:00PM Sep 24, 2023Forecast: 3.04 ft 11:00PM Sep 24, 2023Forecast: 3.04 ft 5:00AM Sep 25, 2023Forecast: 3.04 ft 11:00AM Sep 25, 2023Forecast: 3.03 ft 5:00PM Sep 25, 2023Forecast: 3.03 ft 11:00PM Sep 25, 2023Forecast: 3.03 ft 5:00AM Sep 26, 2023Forecast: 3.03 ft 11:00AM Sep 26, 2023Forecast: 3.03 ft 5:00PM Sep 26, 2023Forecast: 3.03 ft 11:00PM Sep 26, 2023Forecast: 3.04 ft 5:00AM Sep 27, 2023Forecast: 3.04 ft 11:00AM Sep 27, 2023Forecast: 3.04 ft 5:00PM Sep 27, 2023Forecast: 3.04 ft 11:00PM Sep 27, 2023Forecast: 3.04 ft 5:00AM Sep 28, 2023Forecast: 3.03 ft 11:00AM Sep 28, 2023Forecast: 3.03 ft 5:00PM Sep 28, 2023Forecast: 3.02 ft 11:00PM Sep 28, 2023Forecast: 3.02 ft 5:00AM Sep 29, 2023Forecast: 3.02 ft 11:00AM Sep 29, 2023Forecast: 3.02 ft 5:00PM Sep 29, 2023Forecast: 3.02 ft 11:00PM Sep 29, 2023Forecast: 3.02 ft 5:00AM Sep 30, 2023Forecast: 3.02 ft 11:00AM Sep 30, 2023USGS--Water Resources of the United StatesTRYO3(plotting HGIRG) Graph Created (11:48AM Sep 23, 2023)ObservedForecast (issued 10:22AM Sep 23)Latest observed value: 3.06 ft at 10:00 AM PDT 23-Sep-2023. 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
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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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