National Rankings

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Average Temperature Rankings, August 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 2009 1-Month	71.89°F (22.16°C)	72.10°F (22.28°C)	-0.21°F (-0.12°C)	46th Coolest	Coolest since: 2004	1927
	71.89°F (22.16°C)	72.10°F (22.28°C)	-0.21°F (-0.12°C)	83rd Warmest	Warmest since: 2008	1983
	Ties: 1951, 1993
Jul–Aug 2009 2-Month	72.26°F (22.37°C)	72.86°F (22.70°C)	-0.60°F (-0.33°C)	28th Coolest	Coolest since: 2004	1992
Jul–Aug 2009 2-Month	72.26°F (22.37°C)	72.86°F (22.70°C)	-0.60°F (-0.33°C)	101st Warmest	Warmest since: 2008	1936
Jun–Aug 2009 3-Month	71.02°F (21.68°C)	71.40°F (21.89°C)	-0.38°F (-0.21°C)	35th Coolest	Coolest since: 2004	1915
Jun–Aug 2009 3-Month	71.02°F (21.68°C)	71.40°F (21.89°C)	-0.38°F (-0.21°C)	94th Warmest	Warmest since: 2008	1936, 2021
May–Aug 2009 4-Month	68.68°F (20.38°C)	68.60°F (20.33°C)	0.08°F (0.05°C)	56th Coolest	Coolest since: 2004	1907
	68.68°F (20.38°C)	68.60°F (20.33°C)	0.08°F (0.05°C)	73rd Warmest	Warmest since: 2008	2018
	Ties: 1913
Apr–Aug 2009 5-Month	65.13°F (18.41°C)	65.10°F (18.39°C)	0.03°F (0.02°C)	51st Coolest	Coolest since: 1997	1907
Apr–Aug 2009 5-Month	65.13°F (18.41°C)	65.10°F (18.39°C)	0.03°F (0.02°C)	78th Warmest	Warmest since: 2008	2012
Mar–Aug 2009 6-Month	61.42°F (16.34°C)	61.16°F (16.20°C)	0.26°F (0.14°C)	74th Coolest	Coolest since: 2008	1917
	61.42°F (16.34°C)	61.16°F (16.20°C)	0.26°F (0.14°C)	55th Warmest	Warmest since: 2007	2012
	Ties: 1954
Feb–Aug 2009 7-Month	57.90°F (14.39°C)	57.26°F (14.03°C)	0.64°F (0.36°C)	90th Coolest	Coolest since: 2008	1917
Feb–Aug 2009 7-Month	57.90°F (14.39°C)	57.26°F (14.03°C)	0.64°F (0.36°C)	39th Warmest	Warmest since: 2007	2012
Jan–Aug 2009 8-Month	54.54°F (12.52°C)	53.86°F (12.14°C)	0.68°F (0.38°C)	92nd Coolest	Coolest since: 2008	1912
Jan–Aug 2009 8-Month	54.54°F (12.52°C)	53.86°F (12.14°C)	0.68°F (0.38°C)	37th Warmest	Warmest since: 2007	2012
Dec 2008–Aug 2009 9-Month	52.02°F (11.12°C)	51.51°F (10.84°C)	0.51°F (0.28°C)	82nd Coolest	Coolest since: 2008	1917
Dec 2008–Aug 2009 9-Month	52.02°F (11.12°C)	51.51°F (10.84°C)	0.51°F (0.28°C)	46th Warmest	Warmest since: 2007	2012
Nov 2008–Aug 2009 10-Month	51.21°F (10.67°C)	50.54°F (10.30°C)	0.67°F (0.37°C)	93rd Coolest	Coolest since: 2008	1912
	51.21°F (10.67°C)	50.54°F (10.30°C)	0.67°F (0.37°C)	35th Warmest	Warmest since: 2007	2012
	Ties: 1932
Oct 2008–Aug 2009 11-Month	51.46°F (10.81°C)	50.86°F (10.48°C)	0.60°F (0.33°C)	88th Coolest	Coolest since: 2001	1912
Oct 2008–Aug 2009 11-Month	51.46°F (10.81°C)	50.86°F (10.48°C)	0.60°F (0.33°C)	40th Warmest	Warmest since: 2008	2012
Sep 2008–Aug 2009 12-Month	52.61°F (11.45°C)	52.03°F (11.13°C)	0.58°F (0.32°C)	90th Coolest	Coolest since: 2001	1917
Sep 2008–Aug 2009 12-Month	52.61°F (11.45°C)	52.03°F (11.13°C)	0.58°F (0.32°C)	38th Warmest	Warmest since: 2008	2012
Mar 2008–Aug 2009 18-Month	55.49°F (13.05°C)	55.06°F (12.81°C)	0.43°F (0.24°C)	82nd Coolest	Coolest since: 1997	1917
Mar 2008–Aug 2009 18-Month	55.49°F (13.05°C)	55.06°F (12.81°C)	0.43°F (0.24°C)	46th Warmest	Warmest since: 2008	2017
Sep 2007–Aug 2009 24-Month	52.67°F (11.48°C)	52.01°F (11.12°C)	0.66°F (0.36°C)	93rd Coolest	Coolest since: 1998	1918
Sep 2007–Aug 2009 24-Month	52.67°F (11.48°C)	52.01°F (11.12°C)	0.66°F (0.36°C)	34th Warmest	Warmest since: 2008	2017
Sep 2006–Aug 2009 36-Month	52.90°F (11.61°C)	52.01°F (11.12°C)	0.89°F (0.49°C)	101st Coolest	Coolest since: 1998	1917
Sep 2006–Aug 2009 36-Month	52.90°F (11.61°C)	52.01°F (11.12°C)	0.89°F (0.49°C)	25th Warmest	Warmest since: 2008	2018
Sep 2005–Aug 2009 48-Month	53.32°F (11.84°C)	51.99°F (11.11°C)	1.33°F (0.73°C)	106th Coolest	Coolest since: 2004	1920
	53.32°F (11.84°C)	51.99°F (11.11°C)	1.33°F (0.73°C)	19th Warmest	Warmest since: 2008	2018
	Ties: 2014
Sep 2004–Aug 2009 60-Month	53.37°F (11.87°C)	51.98°F (11.10°C)	1.39°F (0.77°C)	111th Coolest	Coolest since: 2005	1920
	53.37°F (11.87°C)	51.98°F (11.10°C)	1.39°F (0.77°C)	13th Warmest	Warmest since: 2008	2020
	Ties: 2015

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published November 2022, retrieved on December 3, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings