NCDC transitioned to the nClimDiv dataset on Thursday, March 13, 2014. This was coincident with the release of the February 2014 monthly monitoring report. For details on this transition, please visit our public FTP site and our U.S. Climate Divisional Database site.
Look up monthly U.S., Statewide, Divisional, and Regional Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts.
Contiguous U.S. Average Temperature Rankings, May 2011
More information on Climatological Rankings
|Period||Avg Temp||20th Century
|22ⁿᵈ Coolest||Coolest since: 1995||1917|
|99ᵗʰ Warmest||Warmest since: 2010||1934|
|Mar - May 2011
|79ᵗʰ Coolest||Coolest since: 2008||1917|
|42ⁿᵈ Warmest||Warmest since: 2010||2012|
|Jan - May 2011
|63ʳᵈ Coolest||Coolest since: 2008||1917|
|58ᵗʰ Warmest||Warmest since: 2010||2012|
|Jun 2010 - May 2011
|92ⁿᵈ Coolest||Coolest since: 2010||1917|
|28ᵗʰ Warmest||Warmest since: 2009||2012|