Climatological Rankings

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, DivisionalClimate Divisions, and RegionalClimate Regions 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

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Contiguous U.S. Average Temperature Rankings, May 2011

Record Coolest
Bottom 1/10
Bottom 1/3
Normal
Top 1/3
Top 1/10
Record Warmest

More information on Climatological Rankings

Download: xml csv json
Period Avg Temp 20th Century
Average
Departure Rank Warmest/Coolest
Since
Record
May 2011
1-month period
59.13°F
(15.07°C)
60.20°F
(15.67°C)
-1.07°F
(-0.60°C)
22ⁿᵈ Coolest Coolest since: 1995 1917
99ᵗʰ Warmest Warmest since: 2010 1934
Ties: 1979
Mar - May 2011
3-month period
51.39°F
(10.77°C)
50.92°F
(10.51°C)
0.47°F
(0.26°C)
79ᵗʰ Coolest Coolest since: 2008 1917
42ⁿᵈ Warmest Warmest since: 2010 2012
Jan - May 2011
5-month period
43.38°F
(6.32°C)
43.34°F
(6.30°C)
0.04°F
(0.02°C)
63ʳᵈ Coolest Coolest since: 2008 1917
58ᵗʰ Warmest Warmest since: 2010 2012
Ties: 1988
Jun 2010 - May 2011
12-month period
52.80°F
(11.56°C)
52.03°F
(11.13°C)
0.77°F
(0.43°C)
92ⁿᵈ Coolest Coolest since: 2010 1917
28ᵗʰ Warmest Warmest since: 2009 2012