Although the West has experienced major ups and downs in its precipitation patterns from year to year, over the past 130 years regions that provide the major source for spring and summer runoff have not shown a long-term pattern that indicates a permanent decline in precipitation, according to research by Dr. John Christy, a distinguished professor in the Department of Atmospheric and Earth Science at The University of Alabama in Huntsville (UAH).
Click here for original story, Long-term Western precipitation trends are stable, says atmospheric scientist
Source: Phys.org