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Phoenix, Arizona
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This day in Arizona/Southeast California Weather History
March 3

Selected events compiled from Storm Data, AZ State Climatologist, and personal communication
Previous Day:3/2 Next Day: 3/4

Phoenix Climatological Data

Normal High temperature: 74
Normal Low temperature: 51

Record High temperature: 91° (1921)
Record cool High temperature: 53° (1964)

Record Low temperature: 28° (1966)
Record warm Low temperature: 62° (1990)

Record Precipitation: 1.98" (1983)

Yuma Climatological Data

Normal High temperature: 77
Normal Low temperature: 53

Record High temperature: 95° (1910)
Record cool High temperature: 56° (1897)

Record Low temperature: 34° (1971)
Record warm Low temperature: 62° (1881)

Record Precipitation: 0.57" (1894)

27 February 1978 through 3 March 1978 - A prolonged moist southwest upper air flow produced significant rainfall on the steep slopes of the Mogollon Rim during the week from 27 February to 3 March 1978. Rainfall amounts ranged from one to four inches in the south-central part of the state, three to six inches in the central basins, and five to eleven inches over and just below the Rim and White Mountains. These rains were just the latest in a long series of significant rains that began in late December 1977. The cumulative effect of the previous rains was to saturate watersheds and raise stream levels and nearly fill most reservoirs. The most extensive flooding occurred in the Salt and Verde basdins. Although there was some snow melt above 6500 feet, most of the runoff resulted from the rain. Runoff into the Salt River above Roosevelt Dam was contained by Roosevelt Lake, but runoff that came down the Verde River and the Salt River below Roosevelt Dam could not be contained by the smaller dams. As a result, a very large volume of water rushed down the normally dry salt River bed and became a raging torrent through the greater Phoenix area and western Maricopa County. Volume at the peak was 138,000 cfs on March 2nd. Extensive damage in the Phoenix area included the washing away of approaches of eight street bridges, leaving only three intact to handle the daily movement of tens of thousands of vehicles. About 2000 feet of the east end of the main runway at Phoenix Sky Harbor Airport was broken up into large chunks and airport radio and radar facilities were damaged. About 500 homes in Maricopa county were damaged, some destroyed, by the flood waters. Extensive damage to crops and farmland and drowning of some livestock also occurred.

3 March 2004 - A winter storm brought heavy snow to southeastern Arizona. Mt. Lemmon reported 22 inches of snow during this event. The Palisades ranger station reported 18 inches of snowfall. Kitt Peak observatory reported 23 inches of snowfall during this event.

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Phoenix, AZ 85072

Tel: (602) 275-0073

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