After the stroke of midnight on Sept. 8, 2014, a cluster of storms over La Paz County and another group of strong storms over Pinal and Pima counties were advancing toward one another. The two eventually slammed into one another in the early morning hours. The Phoenix Valley was ground zero.
It ended up being the most rain we've had in a single day since records began in 1895.
Interstate 10 was submerged at 43rd Avenue and stretches of US 60 were also underwater.
The damage was done in a matter of a few hours with showers dwindling by 10 a.m.
An impressive 3.30 inches of rainfall filled the gauge at Phoenix Sky Harbor, according to the National Weather Service. That drowned the old record of 2.91 inches from 1939.
The rounds of heavy rain were courtesy of tropical moisture pent up in the atmosphere from Hurricane Norbert.
One spot in northwest Chandler recorded 6.09 inches of rainfall. Mesa and Glendale were drenched by more than four inches.
MEMORABLE EVENTS: Most memorable monsoon events in Phoenix
The so-called "Storm of the Century" delivered more rain than the Valley would typically total up in an entire monsoon season, which averages 2.71 inches of rainfall.
TAKING PICTURES: Photographer tells you how to get the best Monsoon shot
Monsoon 2014 would go down in the record books ranking as the 7th rainiest season on record at 6.34 inches.
