NCEI added Alaska climate divisions to its nClimDiv dataset on Friday, March 6, 2015, coincident with the release of the February 2015 monthly monitoring report. For more information on this data, please visit the Alaska Climate Divisions FAQ.
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 Alaska, Agricultural Belts, NWS Regions, and Cities; Palmer Indices are not available for Alaska, NWS Regions, and Cities.
Contiguous U.S. Average Temperature Rankings, May 2009
More information on Climatological Rankings
|Period||Avg Temp||20th Century
|98ᵗʰ Coolest||Coolest since: 2008||1917|
|25ᵗʰ Warmest||Warmest since: 2007||1934|
|Mar - May 2009
|91ˢᵗ Coolest||Coolest since: 2008||2016|
|32ⁿᵈ Warmest||Warmest since: 2007||2012|
|Jan - May 2009
|100ᵗʰ Coolest||Coolest since: 2008||2016|
|23ʳᵈ Warmest||Warmest since: 2007||2012|
|Jun 2008 - May 2009
|98ᵗʰ Coolest||Coolest since: 2001||2016|
|24ᵗʰ Warmest||Warmest since: 2008||2012|