Check the Arroyo Streamflow

These charts illustrate the historic streamflow and recent conditions in the Arroyo Seco.  The data comes from a US Geological Survey gaging station located in the the mountain reaches of the Arroyo above Jet Propulsion Laboratory.

Current

This chart illustrates streamflow during a recent week.  For real-time data for the past week from the USGS gaging station, click on the chart.

Past Month

This chart illustrates streamflow during a recent month.  For the last month's data from the USGS gaging station, click on the chart.

Past Year

This chart illustrates streamflow during the last year.  For the last year's data, click on the chart.

Historic Steamflow

The chart above depicts the typical daily streamflow in the Arroyo Seco from 1910 to this year.  As you can see, the flow varies widely from year to year.