30-Days of Dissolved Oxygen at the Willamette River at Portland, OR (14211720)
Data are downloaded and processed every 3 hours.
The Willamette River at Portland site is located at the Morrison Bridge in mile downtown Portland, OR. Data are collected every half hour. Periods with no data plotted are plotted as grey areas.
Data in the graph are plotted against the axis of the same color. Percent saturation is estimated as a function of water temperature and barometric pressure at this site.
These data are provisional and are subject to revision.
Graph updated: Saturday - Feb 28, 2015 at 14:08:11 EST
This graph is a PNG image [help].