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 2008
More information on Climatological Rankings
|Period||Avg Temp||20th Century
|33ʳᵈ Coolest||Coolest since: 2002||1917|
|88ᵗʰ Warmest||Warmest since: 2007||1934|
|Mar - May 2008
|44ᵗʰ Coolest||Coolest since: 1996||1917|
|77ᵗʰ Warmest||Warmest since: 2007||2012|
|Jan - May 2008
|59ᵗʰ Coolest||Coolest since: 1996||1917|
|62ⁿᵈ Warmest||Warmest since: 2007||2012|
|Jun 2007 - May 2008
|99ᵗʰ Coolest||Coolest since: 2001||1917|
|21ˢᵗ Warmest||Warmest since: 2007||2012|