2010: The second in a series of powerful winter storms, which began on 1/18/2010 and ended on 1/22/2010) arrived in SoCal, bringing with it a strong Pacific front and thunderstorms.
Rainfall ranged from 2"-4" in the deserts, to 4"-8" west of the mountains, to 6"-12" on the coastal slopes.
Widespread flooding resulted across the region.
Snowfall of 40"-60" was reported at the higher resorts, with up to seven feet at the highest ski resorts.
Some of the worst flash flooding occurred in the high desert on the 1/21/2010 due to the prolonged heavy rainfall.
Scores of homes and several schools sustained damage, and many roads were washed out in Hesperia, Apple Valley, Victorville and Adelanto.
Numerous swift water rescues were needed, one of which likely saved four teens trapped in a storm water drain.
Thunderstorms were particularly strong in Orange County, with peak wind gusts of 93 and 92 mph measured at Newport Beach and Huntington Beach Piers.
Numerous 60-70 mph gusts were reported in surrounding areas.
The storms spawned an EF1 tornado in Sunset Beach that damaged boats in Huntington Harbor and flipped at least one vehicle.
On this day a tornado went through Seal Beach and Huntington Beach causing local damage including boats in Huntington Harbor, and wind gusts reached 60 mph in San Clemente.
Several waterspouts and very strong winds of 93 mph were also reported in Newport Beach and Huntington Beach.
On 1/21/2010 the surface pressure fell to an all-time record low of 29.15" (987.1 mb) at San Diego Lindbergh Field, the lowest since reliable pressure records began in 1880.
Two deaths in Tijuana were attributed to the flooding..
A tree fell onto a mobile home in Lakeside, causing one fatality on this day.
1993: One of, if not the, most dreary period(s) in SoCal history came to an end on this day when the region recorded its 14th consecutive day of measurable precipitation (the most on record). The rain reports during this period weren't isolated either, with Alpine, Big Bear Lake, Escondido, Newport Beach, Riverside, and Santa Ana all getting in on the 14-day streak.
This day marked the end of seven consecutive days (the most on record) of measurable precipitation in Victorville, which started on 1.13.
This also occurred on 2.18-24.2005, 2.14-20.1980, and 12.22-28.1971.
1971: It was 90° F in Borrego Springs, the highest temperature on record for January.
1969: Heavy rains of tropical origin began on 1.18 ended on 1.28. As much as 50" of rain fell at 7,700 feet.
31" of rain fell on the south slopes of Mt. San Gorgonio, 15.5" at San Jacinto Peak, around 10" at Banning, less than 1" from Indio southeast.
This day was the start of nine consecutive days (the most on record) of measurable precipitation in Riverside which ended on 1.27.
This also occurred on 2.13-2.21.1980.
This day also marked the start of 11 consecutive days (the most on record) of measurable precipitation in Palomar Mountain, which ended on 1.29.
87 were reported dead from flooding and mud slides all over California.
Scores died in traffic accidents. Hundreds of homes and buildings were destroyed in slides, including 14 destroyed and 11 damaged homes in Mt. Baldy Village.
50 homes near Forest Home (Forest Falls) were damaged by flooding.
Highways and railroads washed out.
Power outages occurred. Cucamonga Creek itself caused $10 million in damage.
The Mojave River took out numerous bridges and flooded farmlands in the upper desert.
1954: Heavy rain "averaged" about 3" around Upland and Rancho Cucamonga and more than 4" in the mountains on 1.18 and on this day.
Floods and debris flows struck these communities and blocked or damaged roads.
Debris flows at least ten feet deep in Arcadia nearly killed people and large boulders smashed into homes.
These debris flows followed wildfires in the San Gabriel Mountains.
1949: The high temperature of 46° F in Santa Ana was the lowest high temperature on record, also occurring on 1.14.1949 and 2.23.1953.
1943: Las Vegas, NV, recorded a low temperature of 10° F, setting a daily record.
1937: Portola reported a morning low of -22° F.
1933: Bakersfield's wettest January day on record, 1.57" of precipitation fell.
1933: 15" of snow fell at Carson City, NV, with 10.5" of snow being reported at Reno, NV.
1916: Widespread heavy rains hit Southern California starting on 1.14 and ending on 1.21. 8.5" fell during this period in San Bernardino.
16.71" fell in 24 hours at Squirrel Inn (near Lake Arrowhead) on 1.16 and on 1.17, a record 24 hour rainfall for California until 1943.
More than 9" fell in two storms in the Coachella Valley.
Previous storms had deposited deep snow in the mountains, adding to the runoff.
Widespread flooding resulted and at least 22 died.
Roofs in Chula Vista, poultry farm in Vista, boats in Coronado and Newport were damaged.
Most cities were completely inundated.
Pine trees from Palomar Mountain floated down the San Luis Rey River through Oceanside.
The cities of Indio, Coachella and Mecca were underwater.
Ontario and Redlands were isolated and roads, railroads and bridges were washed out.
1916: Following several days of rain, including a "heavy downpour" of 1.10" on the 18th, strong winds blew down over 400 oil derricks near Bakersfield.
1913: The biggest rain, wind and storm in the Sacramento Valley came to an end after tying up railroad traffic nearly 24 hours.
Redding rainfall to date was 19.19".
The previous year it was 7.10".
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego and the Redding Record-Searchlight