2015: Unseasonable high pressure and warm ocean waters led to very warm October days
and the warmest October nights on record from this day through 10/15.
In San Diego, five out of the six highest October minimum temperatures on record occurred.
The highest minimum temperature in any October was 76° on this day and again on 10/13.
This is only two degrees off the highest minimum temperature for any time of year!
(Only seven nights in history recorded 77° or 78°, all of which occurred during September, meaning these October nights were warmer than any night in July or August in San Diego).
On this day the highest minimum temperature in October was also recorded in Chula Vista (73°, only three degrees off all-time highest), Oceanside Harbor (74°, only two degrees off all-time
highest), and El Cajon (tied 69°).
On 10/13 Santa Ana recorded 78°, the highest October minimum temperature on record.
2004: Gusty northeast winds over 40 mph helped to fuel a wildfire in northeast Napa County.
The Rumsey Fire burned for seven days scorching more than 38,000 acres.
2000: Early season storm brought several inches of snow to the central and southern Sierra.
Some amounts included 10" at Lodgepole, 8" at Mount Tom, 5" at Huntington Lake and 4" at Tuolumne Meadows.
In the Valley, over an inch of rain fell in some areas, including Fresno, resulting in the closure of the Fresno Fair for the first time since 1922.
1986: Thunderstorms that started on 10.9 and ended on this day dropped 2.4" of rain on Mt. Laguna, 2.1" at Campo, 2.03" at Julian, 1.90" at El Cajon, 1.5" at Alpine, 1.39" at San Diego, and 0.41" at Miramar.
Most of these became daily rainfall records. Hail the size of marbles was reported in San Diego's east county.
Rainwater flooded through a leaky roof at downtown San Diego police headquarters.
Numerous streets flooded in south and east parts of San Diego County.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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and the warmest October nights on record from this day through 10/15.
In San Diego, five out of the six highest October minimum temperatures on record occurred.
The highest minimum temperature in any October was 76° on this day and again on 10/13.
This is only two degrees off the highest minimum temperature for any time of year!
(Only seven nights in history recorded 77° or 78°, all of which occurred during September, meaning these October nights were warmer than any night in July or August in San Diego).
On this day the highest minimum temperature in October was also recorded in Chula Vista (73°, only three degrees off all-time highest), Oceanside Harbor (74°, only two degrees off all-time
highest), and El Cajon (tied 69°).
On 10/13 Santa Ana recorded 78°, the highest October minimum temperature on record.
The top six warmest October nights on the Chula Vista record occurred this month, and the top five in El Cajon occurred this month.
2008: From the 9th until the 11th there were several weather stations in the mountain passes, canyons, and deserts of San Joaquin Valley and Southern Sierra Nevada Foothills that recorded gusty winds up to 55 mph due to the passage of the low pressure system.
These strong winds produced areas of blowing dust at times across much of the San Joaquin valley.
This condition prompted local environmental health experts to issue warnings of the effects of blowing dust and reduced air quality. Strong winds caused minor property damage in Hanford, where a tree branch was blown down and blocked a roadway intersection.
Winds in the San Joaquin Valley gusted to 40-45 mph at times.
2004: Gusty northeast winds over 40 mph helped to fuel a wildfire in northeast Napa County.
The Rumsey Fire burned for seven days scorching more than 38,000 acres.
2000: Early season storm brought several inches of snow to the central and southern Sierra.
Some amounts included 10" at Lodgepole, 8" at Mount Tom, 5" at Huntington Lake and 4" at Tuolumne Meadows.
In the Valley, over an inch of rain fell in some areas, including Fresno, resulting in the closure of the Fresno Fair for the first time since 1922.
The rain caused numerous flooding problems in Fresno and ceilings to collapse in buildings in Tulare.
2000: An early season convective rain event did economic damage to the Central and Southern San Joaquin Valley.
Frontal passage with embedded and post-frontal thunderstorms swept through the Central and South San Joaquin Valley beginning around 0900 PST on the 10th.
Hanford received 1/3" rain in an hour from a heavy thundershower from 1150 to 1250 PST.
Severe weather hail damage occurred on the west side of the San Joaquin Valley in the Fresno and Kings County areas.
Additionally, a 1-mile long, small hail swath in Central Fresno County near Malaga did agricultural damage.
Crops impacted by the hail were lettuce, alfalfa, beans, broccoli, persimmons, raisin, pomegranates, and cotton.
Going back through at least 1922, no Fresno Fair closures had been noted due to adverse weather but the heavy rain on the 10th closed the fair leading to an estimated revenue loss of $200K.
Over the 3-day period from the 9th through the 11th, Fresno received 1.22" of rain including a record breaking 0.76" on the 10th.
Ponded water caused numerous flooding problems in and around the City of Fresno.
In the Tulare area 0.67" was received during the afternoon of the 10th.
The unusually significant, early rain caused damage in the form of ceiling collapses and water damage.
1996: Strong high pressure engulfed the Southwest.
Temperatures soared accordingly in the deserts, allowing Victorville to reach 100° F, the latest date in the season fora triple-digit reading on record.
1991: With and impressive reading of 106° F, El Cajon set a record high for the month.
1986: Thunderstorms that started on 10.9 and ended on this day dropped 2.4" of rain on Mt. Laguna, 2.1" at Campo, 2.03" at Julian, 1.90" at El Cajon, 1.5" at Alpine, 1.39" at San Diego, and 0.41" at Miramar.
Most of these became daily rainfall records. Hail the size of marbles was reported in San Diego's east county.
Rainwater flooded through a leaky roof at downtown San Diego police headquarters.
Numerous streets flooded in south and east parts of San Diego County.
Power outages occurred from lightning strikes.
1974: Ramona dipped to 32° F, the earliest reported freezing temperature on record.
1973: Reno, NV reported a morning low of 16° F.
1961: Las Vegas, NV, recorded a low temperature of 40° F, setting a daily record.
1944: The longest dry spell in Las Vegas, NV, history ended, which lasted from July 2nd until October 10th, a total of 101 days.
1924: 7" of snow fell at Sierraville (Sierra Co.).
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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