Hurricane Hilary

Rainfall totals: Hilary breaks SoCal records; over 1 foot of rain hits San Bernardino County | LIST

Rainfall totals have reached 13.5 inches in San Bernardino Co. Palm Springs saw more than 3 inches, breaking a seasonal record.
By and Alex Meier
Monday, August 21, 2023
ABC7 meteorologist Brianna Ruffalo details rainfall totals after Hilary soaked Southern California
LOS ANGELES (KABC) -- Once a Category 4 hurricane, Hilary tore through Southern California with historic rainfall on Sunday, flooding roads and knocking out power.

Rainfall totals from Hilary have reached 13.5 inches in San Bernardino County, and 11.7 inches in the mountains of Riverside County.
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Los Angeles County recorded over 7 inches of rain. Downtown L.A. recorded 2.48 inches of rainfall on Sunday, making it the wettest August day ever in that area, according to the National Weather Service.

Palm Springs saw more than 3 inches, which broke the desert city's all-time daily summer rain record.

San Diego saw 1.82 inches of rain, making Sunday the wettest August day on record in the city, according to ABC News. Plus, Escondido and Cuyamaca saw 2.66 inches and 4.11 inches, respectively, marking the wettest month of August for those regions.

MORE: Coachella Valley inundated with mud, drivers trapped in flash floods
Coachella Valley inundated with mud, drivers trapped in flash floods during Tropical Storm Hilary


Here are the two-day precipitation totals, according to the National Oceanic and Atmospheric Administration. All measurements in inches.

Los Angeles County Coast & Metro


Data released at 7:15 a.m. PT
  • Hollywood Reservoir: 4.92
  • Beverly Hills: 4.80
  • Leo Carrillo: 4.39
  • Bel Air: 4.14
  • Culver City: 3.65
  • Santa Monica: 3.56
  • La Downtown: 2.99
  • Long Beach: 2.62
  • La Airport: 2.54
  • Redondo Beach: 2.47
  • Hawthorne: 2.24


A person pushes a cart on a flooded street as Tropical Storm Hilary heads north near Palm Springs, California, on Aug. 20, 2023.none
A person in rain gear looks through the sand at the beach in Carlsbad, Calif., Sunday, Aug. 20, 2023.none
Surfer Adrian Zimmerman is pulled with rope attached to a bike as he skims with a board on a fully soaked lawn under heavy rain at Cannon Park in Carlsbad, Calif., Aug. 20, 2023.none
Cars sit submerged in floodwaters on the Golden State Freeway as tropical storm Hilary moves through the area on Aug. 20, 2023, in Sun Valley, California.none
An aerial image shows mud along roadways following heavy rains from Tropical Storm Hilary, in Rancho Mirage, California, on August 21, 2023.none
Workers set up a sign near a flooded intersection as tropical storm Hilary moves through the area on Aug. 20, 2023, in San Bernardino, California.none
The Garbage Boom on the Los Angeles River in Long Beach did its job overnight, collecting debris flowing down the river from tropical storm Hilary in Long Beach on Aug. 21, 2023.none
A mailbox stands on a flooded residential street in Palmdale, Calif., as a tropical storm moves into the area, Aug. 20, 2023.none
Joseph Wolensky stands in the street with a sign that says "You call this a storm?" on Aug. 20, 2023, in Palm Desert, Calif.none
A person sits with umbrellas while watching surfers at Venice Beach on Aug. 20, 2023, in Los Angeles.none
The Los Angeles River swells with rushing water near Griffith Park in Los Angeles, California on Aug. 20, 2023.none
Maura Taura talks on a cell phone outside her home next to a downed tree after Tropical Storm Hilary went through, on Aug. 21, 2023, in Sun Valley, Calif.none
A broken umbrella protrudes from a trash barrel as pedestrians walk down Hollywood Boulevard during Tropical Storm Hilary, Aug. 20, 2023, in Los Angeles.none
A child plays in the rain, Sunday, Aug. 20, 2023, in Los Angeles.none
Vehicles cross over a flood control basin that has almost reached the street, Sunday, Aug. 20, 2023, in Palm Desert, Calif.none
Members of Cal Fire Pilot Rock 6 crew clear mud off the side of the road in the aftermath of Tropical Storm Hilary on Aug. 21, 2023, in Yucaipa, Calif.none
Dorian Padilla stands near his car as he waits for a tow after it got stuck in the mud on a street as another vehicle goes by on Aug. 21, 2023, in Cathedral City, Calif.none
A vehicle makes its way through a flooded street in a suburban area of the San Fernando Valley in Los Angeles as a tropical storm moves into the area on Aug. 20, 2023.none
A plow clears debris along a flooded Sierra Highway in Palmdale, Calif., as Tropical Storm Hilary moves through the area on Aug. 20, 2023.none
A woman walks her dog past a eucalyptus tree that fell on a house Monday, Aug. 21, 2023, in Palm Desert, Calif.none
A toppled tree from the tropical storm covers a car in Los Angeles on Aug. 21, 2023.none
Mud and water flow through a crack off the side of the road in the aftermath of Tropical Storm Hilary on Aug. 21, 2023, in Yucaipa, Calif.none
A eucalyptus tree that fell on a house is seen on Aug. 21, 2023, in Palm Desert, Calif.none


San Fernando Valley


Data released at 7:15 a.m. PT
  • Van Nuys: 4.70
  • La Canada Flintridge: 4.52
  • Northridge: 4.47
  • Calabasas: 3.98
  • Porter Ranch Raws: 3.96
  • Agoura Hills: 3.95
  • San Rafael Hills: 3.81
  • Burbank: 3.56
  • Canoga Park: 3.51
  • Chatsworth Reservoir: 3.02
  • Hansen Dam: 2.29
  • San Gabriel Valley
  • Morris Dam: 5.76
  • East Pasadena: 5.74
  • Eagle Rock Reservoir: 4.70
  • Sierra Madre: 4.45
  • Claremont: 4.04
  • La Verne: 4.01
  • Alhambra: 3.60
  • Whittier: 2.81
  • Pasadena: 2.40
  • Mt Olive High School: 1.96


Cars sit submerged in floodwaters on the Golden State Freeway as tropical storm Hilary moves through the area on Aug. 20, 2023, in Sun Valley, California.

Justin Sullivan/Getty Images



Santa Clarita Valley


Data released at 7:15 a.m. PT
  • Saugus: 6.46
  • Newhall: 5.71
  • Castaic Junction: 5.47
  • Del Valle: 5.26
  • Castaic.: 4.51

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Catalina Island


Data released at 7:15 a.m. PT
  • Catalina Island Raws: 2.91
  • Avalon Harbor: 1.85


A broken umbrella protrudes from a trash barrel as pedestrians walk down Hollywood Boulevard during Tropical Storm Hilary, Aug. 20, 2023, in Los Angeles.

AP Photo/Chris Pizzello



Los Angeles County Mountains


Data released at 7:15 a.m. PT
  • Mount Wilson: 8.56
  • Lewis Ranch: 7.04
  • Leona Valley Fire Station: 6.97
  • Crystal Lake: 6.97
  • Cogswell Dam: 6.69
  • Santa Anita Dam: 6.53
  • San Gabriel Dam: 5.98
  • Mt Baldy: 5.84
  • Sierra San Antonio Medical Plaza: 5.84
  • Big Dalton Dam: 5.67
  • Chilao South: 5.16
  • Mill Creekl 5.14
  • Inspiration Point: 5.08
  • West Fork Heliport: 4.92
  • Camp 9: 4.86
  • Whitaker Peak: 4.40
  • Chilao: 4.37
  • Tanbark: 4.34
  • Warm Springs Camp: 4.10
  • Warm Springs: 4.08
  • Opids Camp: 3.42
  • Hungry Valley: 3.38
  • San Antonio Dam: 2.92
  • Sandberg: 1.54


Santa Monica Mountains


Data released at 7:15 a.m. PT
  • Stunt Ranch: 5.08
  • Sepulveda Cyn At Mulh: 4.91
  • Topanga: 4.74
  • Monte Nido: 4.65
  • Lechuza: 4.03

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Antelope Valley


Data released at 7:15 a.m. PT
  • Lake Palmdale: 5.98
  • Valyermo: 5.65
  • Poppy Park: 4.29
  • Palmdale: 3.94
  • Saddleback Butte: 3.24
  • Lancaster: 2.16


Orange County Coastal Areas


Data released at 4:47 a.m. PT
  • Coto de Caza: 3.07
  • Alameda Storm Channel: 2.92
  • Orange Co Reservoir: 2.78
  • Lower Silverado: 2.76
  • Brea Olinda: 2.68
  • Brea: 2.64
  • Santa Ana Engineering: 2.56
  • Garden Grove: 2.48
  • Pico Retarding Basin: 2.48
  • Yorba Reservoir: 2.44
  • San Juan Capistrano: 2.44
  • Bell Canyon: 2.41
  • Gilbert Retarding Basin: 2.40
  • Fullerton Creek: 2.36
  • Fullerton Dam: 2.32
  • Lower Oso Creek: 2.28
  • East Garden Grove/Wintersburg: 2.28
  • Carbon Canyon Dam: 2.22
  • Laguna Niguel Park: 2.20
  • San Juan Guard: 2.17
  • Bee Canyon: 2.09
  • Huntington Beach: 2.09
  • Laguna Audubon: 2.08
  • Costa Mesa: 2.00
  • Villa Park Dam: 1.97
  • Westminster Channel: 1.93
  • Anaheim Hills: 1.85
  • Yorba Park: 1.82
  • El Modena-Irvine: 1.81
  • Villa Park Reservoir: 1.74
  • Lane Channel: 1.73
  • Santa Ana Delhi Chnl: 1.73
  • Laguna Canyon Repeater: 1.69
  • San Diego Creek @ Campus: 1.69
  • San Diego Ck @ Culver: 1.65
  • Peters Canyon Wash:1.58
  • Corona Del Mar: 1.57


Ventura County Coastal


Data released at 7:15 a.m. PT
  • California State University Channel Islands: 4.17
  • Saticoy: 2.52
  • Oxnard: 1.63
  • Ventura: 1.44
  • Oxnard Civic Center: 1.08
  • Silverstrand Beach: 0.75
  • La Conchita: 0.48


Ventura County Coastal Valleys


Data released at 7:15 a.m. PT
  • Rocky Peak: 4.33
  • Deals Flat: 3.81
  • Circle X Ranch: 3.78
  • South Mountain: 3.77
  • Moorpark: 3.75
  • Cheeseboro: 3.52
  • Miller Ranch: 3.42
  • Thousand Oaks: 3.35
  • Simi Valley: 3.34
  • Westlake Village: 3.19
  • Newbury Park: 3.00


Ventura County Interior Valleys


Data released at 7:15 a.m. PT
  • Piru: 4.71
  • Lake Piru: 4.70
  • Santa Paula: 3.52
  • Sulphur Mountain: 2.47
  • Harmon Canyon ..... 2.19
  • Stewart Canyon: 1.65
  • Ojai: 1.56
  • Red Mountain: 1.18
  • Station Canyon: 0.90
  • Fillmore: 0.36
  • Fagan Canyon: 0.04


Ventura County Mountains


Data released at 7:15 a.m. PT
  • Last Chance: 3.31
  • Lockwood Valley: 2.95
  • Chuchupate: 2.57
  • Nordhoff Ridge: 2.52
  • Sycamore Canyon: 2.17
  • Ortega Hill: 2.04
  • Rose Valley: 1.97
  • Rose Valley Raws: 1.75
  • Apache Canyon: 1.38
  • Matilija Canyon: 1.30
  • White Ledge Peak: 1.30
  • Old Man Mountain: 1.22
  • Matilija Dam: 1.17


MORE: Mud, debris flows inundate San Bernardino mountains amid Hilary
Mud, debris flows inundate San Bernardino mountain communities amid Tropical Storm Hilary


Santa Ana Mountains


Data released at 4:47 a.m. PT
  • Upper Harding Canyon: 4.53
  • Santiago Peak: 4.17
  • Horsethief/Rice Canyon: 4.09
  • Upper Silverado Canyon: 4.09
  • Santa Rosa Plateau: 3.90
  • Holy Jim Canyon: 3.35
  • Leach/Dickey Canyon: 3.31
  • Indian Canyon: 3.23
  • El Cariso: 3.11
  • McVicker Canyon: 3.07
  • El Cariso Raws: 2.89
  • Silverado Motorway: 2.76
  • Modjeska Canyon: 2.71
  • Sylvan Meadows: 2.14
  • Fremont Canyon Raws: 2.01


The Inland Empire (San Bernardino County)


Data released at 4:47 a.m. PT
  • Devore Fire Station: 4.24
  • Demens Creek Debris Basin: 3.31
  • Chino Airport: 2.55
  • Gilbert Street, North San Bernardino: 2.40
  • San Bernardino: 1.69


Mud and water flow through a crack off the side of the road in the aftermath of Tropical Storm Hilary on Aug. 21, 2023, in Yucaipa, Calif.

AP Photo/Marcio Jose Sanchez



The Inland Empire (Riverside County)


Data released at 4:47 a.m. PT
  • Cabazon Raws: 3.34
  • Temecula: 2.76
  • Murrieta Ck At Tenaja: 2.56
  • Beaumont Raws: 2.52
  • Norco: 2.48
  • Temescal Forest Service Station: 2.36
  • Railroad Canyon Dam: 2.32
  • North Elsinore: 2.20
  • Riverside South: 2.16
  • Pigeon Pass Dam: 2.16
  • Potrero Canyon: 2.13
  • Clark Raws: 2.05
  • Lake Matthews Raws: 2.04
  • Riverside - March Air Reserve Base: 2.02
  • Perris Fire Department: 1.97
  • Riverside Airport: 1.96
  • Prado Dam: 1.94
  • Beaumont: 1.93
  • Moreno-Clark: 1.89
  • San Jacinto North: 1.81
  • Lake Matthews: 1.52
  • French Valley Airport: 1.36


An aerial image shows mud along roadways following heavy rains from Tropical Storm Hilary, in Rancho Mirage, California, on August 21, 2023.

David Swanson/AFP via Getty Images



Riverside County Mountains


Data released at 4:47 a.m. PT
  • Mount San Jacinto: 11.74
  • Snow Creek in Idyllwild: 7.83
  • Upper Tahquitz Creek: 6.22
  • Pine Cove Rocky Point: 3.33
  • Vista Grande Raws: 3.32
  • Allandale: 3.15
  • Poppet Flat Raws: 2.84
  • Beaumont (Near Bogart Park): 2.55
  • Banning Bench: 2.44
  • Vista Grande: 2.44
  • Keenwild Raws: 2.40
  • Thomas Mountain: 2.11
  • Anza Raws: 2.11
  • Sage Raws: 1.91


Joseph Wolensky stands in the street with a sign that says "You call this a storm?" on Aug. 20, 2023, in Palm Desert, Calif.

AP Photo/Mark J. Terrill



Coachella Valley


Data released at 4:47 a.m. PT
  • Whitewater Trout Farm: 6.61
  • Morongo Valley: 5.75
  • Palm Desert: 3.82
  • Wide Canyon Dam: 3.78
  • Cathedral Canyon: 3.61
  • Desert Hot Springs: 3.35
  • Palm Springs Airport: 3.23
  • Lower Tahquitz Creek: 2.91
  • Cactus City: 2.64
  • Thermal Airport: 2.35
  • Kent Sea Tech (Mecca): 2.29
  • Thousand Palms: 1.66


Dorian Padilla stands near his car as he waits for a tow after it got stuck in the mud on a street as another vehicle goes by on Aug. 21, 2023, in Cathedral City, Calif.

AP Photo/Mark J. Terrill



San Bernardino County Mountains


Data released at 4:47 a.m. PT
  • Raywood Flats: 11.73
  • Heart Bar: 9.67
  • Lytle Creek Raws: 9.44
  • Middle Fork Lytle Creek: 8.84
  • Heaps Peak Raws: 8.46
  • Bernina Drive: 8.11
  • Mormon Rock Raws: 6.30
  • Wrightwood: 6.23
  • Mt. Baldy: 5.80
  • Big Bear Lake Dam: 4.40
  • Converse Raws: 4.10
  • Manzanita Flats: 3.23
  • Fawnskin Raws: 3.21
  • Big Bear Lake: 2.88
  • Big Pine Flat Raws: 2.54


Apple and Lucerne Valleys


Data released at 4:47 a.m. PT
  • Mojave Forks Dam: 5.40
  • El Mirage Raws: 2.88
  • Hesperia: 2.14
  • Means Lake Raws: 1.67
  • Granite Mountain Raws: 1.32


This is a developing story. Check back here for new developments.

ABC News contributed to this report.
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