USGS Streamgage 14246900
Columbia River at Port Westward, near Quincy, OR
Columbia River at Port Westward, near Quincy, OR is USGS streamgage 14246900 in Oregon, monitoring river discharge in hydrologic subbasin 17080003. It drains a watershed of about 256,900 square miles. Discharge records at this site go back to 1967. Typical flow runs near 197,580.6 cfs in July and 268,500 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 256,900 sq mi
- Subbasin (HUC-8)
- 17080003
- Coordinates
- 46.18122, -123.18345
- USGS site number
- 14246900
- Records begin
- 1967-08-09 (59 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 58 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 178,064.5 | 253,774.2 | 401,774.2 | |
| February | 159,275.9 | 231,103.4 | 378,482.8 | |
| March | 155,322.6 | 230,580.6 | 384,096.8 | |
| April | 180,300 | 268,500 | 442,333.3 | |
| May | 220,096.8 | 329,548.4 | 490,677.4 | |
| June | 185,700 | 308,300 | 474,933.3 | |
| July | 136,419.4 | 197,580.6 | 296,419.4 | |
| August | 117,774.2 | 148,838.7 | 210,000 | |
| September | 89,800 | 114,966.7 | 156,733.3 | |
| October | 96,325.8 | 126,032.3 | 175,096.8 | |
| November | 138,533.3 | 179,433.3 | 262,400 | |
| December | 158,806.5 | 230,322.6 | 359,161.3 |
All values in cubic feet per second (cfs).