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Here’s how much rain and snow the storm dropped on Southern California cities

February 27, 2023

Rain, snow, hail and wind: A historic,five-day storm brought powerful gusts and dumped a massive amount of precipitation on the greater Los Angeles area starting last Wednesday.

This was the first blizzard warning for Southern California’s mountains in decades, and some mountain towns were buried in, quite literally, feet of snow. Locals used to sunny skies most of the year reveled in the snow drifts landing on their lawns in the foothills and in parts of the Inland Empire over the weekend.

Others took stock of the damage so far: Trees and power lines toppled, cars and houses crushed under branches, and sporadic flooding on city streets.

With more rain and snow on the way in a second set of storms, the National Weather Service added up the precipitation totals from Wednesday to Sunday morning.

The numbers were a preliminary summary of what the region saw over that period; estimates of snow and rain from some areas still ranged widely as of Sunday. But these are the latest totals from local weather watchers. All figures are measured in inches and from locations where the NWS has recording stations.

Top snow totals:

Mountain High: 93
Snow Valley: 78 to 90
End of Mt. Baldy Road: 77
Running Springs: 71
Mount Pinos: 48 to 72
Green Valley Lake: 70
Lake Arrowhead: 68
Arrowbear Lake: 65
Bear Mountain Snow Summit: 63
Crestline Yard: 63
Pine Mountain Club: 36 to 60
Cuddy Valley: 24 to 48
Mount Wilson: 40
Other areas with snow:
Yucaipa: 4
La Crescenta: 2
Fontana: 1
Rialto: 1
Bloomington: 0.5
Apple Valley: 0.5

Rain

NWS forecasters noted some areas saw rain mixed with snow — therefore, the totals represent a bit of both.

The NWS also warned that for some stations located in areas with below-freezing temperatures, the totals may not be accurate. NWS was not immediately available to answer questions about the totals Sunday.

These are the top rain totals for the region:

Woodland Hills: 10.79
Stunt Ranch: 10.15
La Canada Flintridge: 9.29
Newhall: 8.38
Eagle Rock Reservoir: 8.14
Pasadena: 8.11
East Pasadena: 7.93
West Fork Heliport (San Gabriel Mountains): 7.76
Sepulveda Canyon at Mulholland Drive: 7.85
San Gabriel Dam: 7.64
Hansen Dam: 7.28
Canoga Park: 7.25
Topanga Canyon: 7.01
Other areas with rain:
Upper Silverado Canyon (Santa Ana Mountains): 5.55
Cucamonga Canyon: 5.43
Coldwater Canyon: 5.12
Cal State San Bernardino: 4.53
Cucamonga Basin: 4.45
Santa Ana: 4.18
Lower Silverado Canyon: 4.09
Villa Park Dam: 3.94
Coto De Caza: 3.90