The 2015 to 2016 El Niño event brought weather conditions that triggered regional disease outbreaks throughout the world.

Over the last 80-some years, there’s been a noticeable change in Fairbanks: The more recent cold snaps haven’t been as cold, and they’re occurring less frequently than they used to.

In some regions, this was the first time in 37 years of water surveys that there was no cold pool.