USGS Streamgage 14142500
Sandy River below Bull Run River, near Bull Run, OR
Sandy River below Bull Run River, near Bull Run, OR is USGS streamgage 14142500 in Oregon, monitoring river discharge in hydrologic subbasin 17080001. It drains a watershed of about 436 square miles. Discharge records at this site go back to 1910. Typical flow runs near 703.1 cfs in July and 2,875.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 436 sq mi
- Subbasin (HUC-8)
- 17080001
- Coordinates
- 45.44901, -122.24509
- USGS site number
- 14142500
- Records begin
- 1910-10-01 (116 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 115 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 | 1,157.7 | 2,551.6 | 7,225.2 | |
| February | 1,230.7 | 2,335.2 | 6,621.7 | |
| March | 1,353.2 | 2,533.9 | 5,497.4 | |
| April | 1,689.7 | 2,875.3 | 5,146 | |
| May | 1,188.5 | 2,501 | 4,565.8 | |
| June | 744 | 1,423.5 | 3,322 | |
| July | 471.8 | 703.1 | 1,173 | |
| August | 353.2 | 459.4 | 666.6 | |
| September | 304 | 408.4 | 778.2 | |
| October | 312.2 | 606.6 | 2,446.9 | |
| November | 589.8 | 2,005.7 | 6,547.7 | |
| December | 1,039.3 | 2,479.4 | 7,925.5 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Kelly Creek at Kane Road near Gresham, OR
- Beaver Creek at Troutdale, OR
- Columbia River below Bonneville Dam, OR
- Hamilton Creek near Mouth, at N Bonneville, WA
- Sandy River near Marmot, OR
- Bull Run River at Lower Flume near Brightwood, OR
- Blazed Alder Creek near Rhododendron, OR
- Bull Run River near Multnomah Falls, OR