Columbia River at Port Westward, Near Quincy, OR
USGS Site No: 14246900 • Columbia River • Columbia County, OR
Columbia River at Port Westward, Near Quincy, OR on the Columbia River is currently at 269,000 cfs (Very High — 99th percentile for this date) . Gage height: 5.17 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 106,000 | |
| 25th | Low threshold | 116,000 | |
| 50th (Median) | Normal (median) | 127,000 | |
| 75th | High threshold | 149,000 | |
| 95th | Very High threshold | 193,000 |
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 | 216,000 | — |
| May 27, 2026 | 206,000 | — |
| May 26, 2026 | 198,000 | — |
| May 25, 2026 | 183,000 | — |
| May 24, 2026 | 188,000 | — |
| May 23, 2026 | 212,000 | — |
| May 22, 2026 | 209,000 | — |
| May 21, 2026 | 214,000 | — |
| May 20, 2026 | 229,000 | — |
| May 19, 2026 | 248,000 | — |
| May 18, 2026 | 264,000 | — |
| May 17, 2026 | 273,000 | — |
| May 16, 2026 | 278,000 | — |
| May 15, 2026 | 273,000 | — |
| Apr 20, 2026 | 257,000 | — |
| Apr 19, 2026 | 276,000 | — |
| Apr 18, 2026 | 282,000 | — |
| Apr 17, 2026 | 273,000 | — |
| Apr 16, 2026 | 267,000 | — |
| Apr 15, 2026 | 248,000 | — |
| Apr 14, 2026 | 242,000 | — |
| Apr 13, 2026 | 241,000 | — |
| Apr 12, 2026 | 226,000 | — |
| Apr 11, 2026 | 219,000 | — |
| Apr 10, 2026 | 205,000 | — |
| Apr 8, 2026 | 235,000 | — |
| Apr 7, 2026 | 246,000 | — |
| Apr 6, 2026 | 246,000 | — |
| Apr 5, 2026 | 174,000 | — |
| Apr 4, 2026 | 124,000 | — |
Station Information
- USGS Site No
- 14246900
- State
- OR
- County
- Columbia County
- Coordinates
- 46.1812, -123.1835
- Drainage Area
- 256,900 mi²
- Datum (ft)
- -1.0
- HUC Code
- 17080003
Recent Extremes
- Max discharge
-
494,000 cfsDec 20, 2025
- Min discharge
-
68,700 cfsSep 30, 2025
Computed from the local daily-values archive.
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