Decades of dry on the Rio Grande

Seventeen of the last 20 years have had below-average runoff at Otowi (north-central New Mexico) on the Rio Grande:

Courtesy USBR

Courtesy USBR

That’s from the U.S. Bureau of Reclamation’s 2015 Annual Operating Plan presentation, done in Albuquerque last week. “Average” is the 1895-2014 mean.