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

(Hold "Ctrl" to select multiple):

Contiguous U.S. Temperature Rankings, May 2009


Coldest
110
13
Normal
13
110
Warmest

More information on Climatological Rankings

Period Temp 20th Century
Average
Departure Rank
(out of 120 years)
Record Warmest/Coldest
Since
May 2009
1-month period
61.65°F
(16.47°C)
60.20°F
(15.67°C)
1.45°F
(0.80°C)
95th Coldest 1917 Coldest since: 2008
25th Warmest 1934 Warmest since: 2007
Mar - May 2009
3-month period
51.81°F
(11.01°C)
50.92°F
(10.51°C)
0.89°F
(0.50°C)
89th Coldest 1917 Coldest since: 2008
31st Warmest 2012 Warmest since: 2007
Ties: 1988
Jan - May 2009
5-month period
44.65°F
(7.03°C)
43.34°F
(6.30°C)
1.31°F
(0.73°C)
98th Coldest 1917 Coldest since: 2008
22nd Warmest 2012 Warmest since: 2007
Jun 2008 - May 2009
12-month period
52.85°F
(11.58°C)
52.03°F
(11.13°C)
0.82°F
(0.45°C)
96th Coldest 1917 Coldest since: 2001
23rd Warmest 2012 Warmest since: 2008