Changing Climate (chart), Washington, DC USA 1871-2014

Average Annual Temperature Washington DC USA 1871-2014 51552
Average Annual Temperature Washington DC USA 1871-2014 (View on Flickr.com)

2014’s average temperature in Washington is below predicted trend, compared to the western United States (see my hometown, Phoenix, Arizona’s Haywood plot below).

The likelihood is that cherry blossoms will eventually bloom one month earlier than present, and there will be impacts on health including seasonal allergies, which are extremely costly to the health system and employers.

Interactive version of the chart below

Ted Eytan, MD