Satellite-based River Discharge and Reservoir Area Measurements, 1998-Present
Updated Daily
Yellow: low flow or area <20th percentile for this day. Blue: normal flow or area. Purple: moderate flooding (>2.33 y recurrence interval or area between 70th and 90th percentile). Red: major flooding (> 5 y recurrence interval or area >90th percentile).
Accessing the discharge and runoff data: The daily discharge and runoff data are provided in html format. Click on dots, view displays, then select "Access to Data" link in each display.
Click for access to map display with clickable dots
