Grande Ronde River at Troy, OR
USGS Site No: 13333000 • Grande Ronde River • Wallowa County, OR
Grande Ronde River at Troy, OR on the Grande Ronde River is currently at 3,470 cfs (Low — 16th percentile for this date) . Gage height: 6.14 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 2,900 | |
| 25th | Low threshold | 4,310 | Today: 3,470 cfs |
| 50th (Median) | Normal (median) | 5,760 | |
| 75th | High threshold | 6,890 | |
| 95th | Very High threshold | 10,700 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 3,280 | — |
| May 27, 2026 | 3,050 | — |
| May 26, 2026 | 2,750 | — |
| May 25, 2026 | 2,250 | — |
| May 24, 2026 | 2,090 | — |
| May 23, 2026 | 2,030 | — |
| May 22, 2026 | 2,070 | — |
| May 21, 2026 | 2,130 | — |
| May 20, 2026 | 2,290 | — |
| May 19, 2026 | 2,530 | — |
| May 18, 2026 | 2,770 | — |
| May 17, 2026 | 3,000 | — |
| May 16, 2026 | 3,240 | — |
| May 15, 2026 | 3,550 | — |
| Apr 20, 2026 | 4,760 | — |
| Apr 19, 2026 | 5,110 | — |
| Apr 18, 2026 | 5,540 | — |
| Apr 17, 2026 | 6,050 | — |
| Apr 16, 2026 | 6,610 | — |
| Apr 15, 2026 | 6,150 | — |
| Apr 14, 2026 | 5,660 | — |
| Apr 13, 2026 | 4,870 | — |
| Apr 12, 2026 | 4,270 | — |
| Apr 11, 2026 | 3,850 | — |
| Apr 10, 2026 | 3,560 | — |
| Apr 9, 2026 | 3,310 | — |
| Apr 8, 2026 | 3,200 | — |
| Apr 7, 2026 | 3,170 | — |
| Apr 6, 2026 | 3,180 | — |
| Apr 5, 2026 | 3,290 | — |
Station Information
- USGS Site No
- 13333000
- State
- OR
- County
- Wallowa County
- Coordinates
- 45.9457, -117.4510
- Drainage Area
- 3,275 mi²
- Datum (ft)
- 1,586.0
- HUC Code
- 17060106
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 11.0 ft
- Major Flood
- 12.0 ft
Currently 3.86 ft below flood stage.
Recent Extremes
- Max discharge
-
12,500 cfsMar 14, 2026
- Min discharge
-
411 cfsSep 6, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
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Snake River Near Anatone, WANormal25.0 mi · 51,900 cfs
-
Snake River at Mcduff Rapids at China Garden IDNormal26.0 mi · 50,300 cfs
-
Minam River at Minam, ORNormal26.1 mi · 1,260 cfs
-
Mill Creek Near Walla Walla, WALow32.3 mi · 44 cfs
-
Asotin Creek at Asotin, WALow33.2 mi · 64 cfs