A new study shows average temperatures have increased, annual rainfall has decreased, and dry periods have become longer and more variable across the American West over the past 50 years.
Periods of drought in the western United States have become longer over the past 50 years, according to a new study from researchers at the University of Arizona College of Agriculture and Life Sciences in partnership with the USDA Agricultural Research Service.
In hopes of understanding how significantly rainfall totals and timing have changed in the past five decades, the researchers analyzed daily meteorological data from over 300 long-term weather stations across the western U.S.“In
