30-Days of Data 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 downtown Portland, OR. Data are collected every half hour. Periods with no data are plotted as grey areas. These data are provisional and are subject to revision. DischargeValues less than 20,000 ft3/s are estimates only. Graph updated: Tuesday, 29-Apr-2025 22:59:12 EDT Stream VelocityValues near zero are estimates only. Graph updated: Tuesday, 29-Apr-2025 22:59:19 EDT Gage HeightGraph updated: Tuesday, 29-Apr-2025 22:59:11 EDT Water TemperatureGraph updated: Tuesday - Apr 29, 2025 at 22:59:16 EDT Specific ConductanceGraph updated: Tuesday - Apr 29, 2025 at 22:59:07 EDT pHGraph updated: Tuesday - Apr 29, 2025 at 22:59:13 EDT Dissolved OxygenData 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. Graph updated: Tuesday - Apr 29, 2025 at 22:59:07 EDT TurbidityTurbidity data are measured in FNU units. Graph updated: Tuesday - Apr 29, 2025 at 22:59:17 EDT Estimated Secchi DepthSecchi depth data are estimated based on turbidity data and are measured in feet. Graph updated: Tuesday - Apr 29, 2025 at 22:59:15 EDT Chlorophyll Fluorescence (RFU)Graph updated: Tuesday - Apr 29, 2025 at 22:59:08 EDT Phycocyanin Fluorescence (RFU)Graph updated: Tuesday - Apr 29, 2025 at 22:59:09 EDT FDOM (ppb QSE)Graph updated: Tuesday - Apr 29, 2025 at 22:59:18 EDT Nitrate (mg/L)Graph updated: Tuesday - Apr 29, 2025 at 22:59:13 EDT
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