Rainfall Data – Project Clean Water

Rainfall Data

Jurisdiction Specific Materials : Monitoring Plans , Jurisdictions : San Diego (City of)

San Diego County Rainfall Station Map

Long-term hourly rainfall records have been prepared for the 19 rainfall stations. Sources of the rainfall data include ALERT data from the County of San Diego (which extend back to 1982), the California Climatic Data Archive, National Oceanic and Atmospheric Administration (NOAA), the National Climatic Data Center, and the Western Regional Climate Center. In all cases, the length of the overall rainfall station record is 35 years or the overall length of the rainfall record, whichever is longer.

The following files are ZIP files each of which includes a .wdm rainfall station file, a .csv files for use with the HEC-HMS program, and a technical memo for each rainfall station.

Bonita ALERT Station
Borrego Springs ALERT Station
Encinitas ALERT Station
Escondido ALERT Station
Fallbrook ALERT Station
Fashion Valley ALERT Station
>Flinn Springs ALERT Station
Kearny Mesa ALERT Station
Lake Cuyamaca ALERT Station
Lake Henshaw ALERT Station
Lake Wohlford ALERT Station
Lindbergh CCDA Station
Lower Otay Reservoir ALERT Station
Oceanside ALERT Station
Poway ALERT Station
Ramona ALERT Station
San Onofre ALERT Station
San Vicente Reservoir ALERT Station
Santee ALERT Station


  1. For all projects, the project proponent should contact the governing municipality’s project manager to verify that the proper rainfall gauge has been selected.
  2. Information contained in the attached data set is preliminary and subject to change in the future.