Looking at the valley as a whole, you can see the “hit and miss” nature of these thunderstorms. The areas that got hit, got hit hard! Highway 111 was closed for hours due to flash flooding. Multiple business were inundated with flood waters from mountain runoff in Cathedral City.
Estimated radar storm total:
Some rain totals:
Palm Springs [...]

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Some local data from this recent storm: (provisional data, may not be verified)

Friday’s High of 71 is 25 degrees below average for May 23rd
From 113° on Sunday to 71° on Friday, that’s a difference of 42 degrees in 5 days!
Palm Springs sets Lowest Maximum Temperature record for this day at 71°! (Old record 80° in [...]

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79° here in the valley (18 degrees below normal)
From 112° on Monday to 79° today (33 degree drop)
Heavy Showers and Thunderstorms in the LA and inland empire areas
Hail
Snow in Big Bear
Tornadoes in Moreno Valley

Sounds like a winter storm we would see in January or February.  The rare, month of may, shift from heat wave to [...]

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Coachella Valley is under a Flash Flood Warning this morning. Rain was steady all night but only on the light to moderate side so that helped limit the threat of major flooding.
There are reports of minor flooding on some valley roads. And an unconfirmed report of a minor mud slide on Highway 74 near Pinyon.
Rainfall [...]

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