National Overview - January 2013
Warmest consecutive 12-month periods for the CONUS

« National Overview - January 2013


Warmest consecutive 12-month periods for the CONUS

These are the warmest 12-month periods on record for the contiguous United States. The February 2012-January 2013 12-month period was the ninth warmest consecutive 12-months that the contiguous U.S. has experienced and the warmest February-January 12-month period on record.


Warmest 12 months

Rank Consecutive 12-month Period Temperature Departure
(from 20th Century Average)
Warmest August 2011 — July 2012* +3.37°F
2nd Warmest July 2011 — June 2012* +3.31°F
3rd Warmest October 2011 — September 2012* +3.27°F
4th Warmest January 2012 — December 2012* +3.26°F
June 2011 — May 2012* +3.26°F
September 2011 – August 2012* +3.26°F
7th Warmest December 2011 – November 2012* +3.18°F
8th Warmest November 2011 – October 2012* +3.17°F
9th Warmest February 2012 – January 2013* +2.91°F
10th Warmest May 2011 – April 2012* +2.90°F
11thWarmest April 2011 – March 2012* +2.68°F
November 1999 – October 2000 +2.68°F