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Highs top 110 °F (43 °C) an average of 21 days during the year. [6] On June 26, 1990, the temperature reached an all-time recorded high of 122 °F (50 °C). [7] In 2024, Phoenix-Mesa, AZ, was ranked fifth for most ozone pollution in the United States according to the American Lung Association. [8]
Climate data for Phoenix Int'l, Arizona (1991–2020 normals, [a] extremes 1895–present) [b]; Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Record high °F (°C)
Climate data for Tucson, Arizona (Tucson Int'l), 1991–2020 normals, [a] extremes 1894−present [b]Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Record high °F (°C)
Yuma recorded 1.88 inches (48 mm) within a 24-hour period; that was the heaviest rainfall recorded in a four-year period, and was more than the normal rainfall that the city receives during the entire fall season. [47] August 1968: Two storms approached Arizona in 1968. The first was Tropical Storm Hyacinth in August.
Page was founded in 1957 as a housing community for workers and their families during the construction of nearby Glen Canyon Dam on the Colorado River.Its 17-square-mile (44 km 2) site was obtained in a land exchange with the Navajo Nation.
Throughout the southwestern United States, heat waves are becoming more common, and snow is melting earlier in spring. In the coming decades, changing the climate is likely to decrease the flow of water in the Colorado River , threaten the health of livestock, increase the frequency and intensity of wildfires, and convert some rangelands to ...
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. [1] On Earth, most weather phenomena occur in the lowest layer of the planet's atmosphere, the troposphere, [2] [3] just below the stratosphere.