
The West's historic drought in 3 maps
CNN
Vast swaths of the West are experiencing a historic, unrelenting drought, the worst in the region in at least 20 years.
In California, this summer's drought was the most extreme in the state's entire 126-year record, with July 2021 as the driest month ever since data gathering began in 1895. Across the region, the magnitude of the drought hovered at or above 90% since June, with several states entirely in drought.
On the Colorado River, Lake Mead and Lake Powell — two of the country's largest reservoirs — have been draining at alarming rates, threatening the West's water supply and hydropower generation in coming years.
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