Streamflow discharge was last observed at 6,860 cfs, and a gauge height of 56.12 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 6,595 .
Weather today, Tomorrow,
The main constituents that affect the flow of the river are snowmelt and precipitation, which can cause seasonal fluctuations in the river's flow. The river has several tributaries, including the Tualatin River and Yamhill River. One notable dam on the river is the Newberg Dam, which was built in 1906 and is used for hydroelectric power. Seasonal trends in the river's flow include higher flow in the winter months and lower flow in the summer months. Interesting facts about the river include that it is one of the largest tributaries of the Columbia River and is home to a variety of fish species, including salmon and steelhead.
| Elevation | 63.0 ft |
| Last Updated | |
| Mean water velocity for discharge computation, feet per second | 0.63 ft/sec |
| Gage height, ft | 56.12 ft |
| Streamflow, ft³/s | 6860.0 ft3/s |
| Temperature, water, °C | 21.8 deg C |
| Percent of Normal | 87% |
| Year Over Year Average | 7,970 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 160,000 cfs |