Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Home » December 2013 average global temperature is 3rd highest for month since 1880
Scroll to Top

Popup Call to Action

A prompt with more information on your call to action.