The District has installed and maintains 320 precipitation gages throughout Maricopa
and surrounding counties which measure the amount and timing of rainfall in real
time. This data is transmitted to the District and stored on the base computers.
The data, real-time or historic, may be viewed using the tools on this page in
different formats such as tables, maps and graphs.
Max./Daily, monthly and annual precipitation totals for all rain gages, sorted by
amount, ending at 5:00AM each day
6- and 24-hour totals at all rain gages, sorted by jurisdiction, updated every 30
15-min., 1-hr., 3-hr., 6-hr., 24-hr & 72-hr rainfall values at all rain gages, updated
every 15 minutes. Create a historic version of
Historic Precipitation Data
Daily totals at all precipitation gages by month back to October 2010:
(See the Publications section for prior daily total summaries).
Past contoured rainfall maps by storm date:
Annual rainfall total maps by water-year:
Maximum period recorded rainfall amounts at stations with 10 or more years of record:
Select a time period - 72 Hour | 24 Hour | 6 Hour | 3 Hour | 1 Hour
Rainfall History Documents (summary statistics and annual rainfall records) for each rain gage
NOAA14 Design Rainfall Data
Compiled Data Products