Precipitation

NEAR REAL-TIME PRECIPITATION MAP

Displays 1, 3, 6, 12, 24, 48, 72, and 168 hours duration of precipitation data. Map identifies the locations of all near real-time raingages located throughout Los Angeles County. Updated every 15 minutes. See data  

STATION INFORMATION

96 Manually Observed Non-Mechanical Rain Gages; These gages are measured once daily by volunteers and reported monthly. See table  

133 ALERT(Automatic Local Evaluation in Real Time)/Automatic rain gages; These sites use tipping buckets with real-time data telemetry and/or electronic data loggers to indicate rainfall totals and intensities. See table  

All hydrologic data may be obtained by writing to:

Los Angeles County Department of Public Works
Stormwater Engineering Division
Hydrologic Records
P. O. Box 1460
Alhambra, CA 91802-1460


or telephone: (626) 458-6120