National Rankings

National Data Info
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 2015

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 2015
1-Month 		72.95°F
(22.75°C)		 72.10°F
(22.28°C)		 0.85°F
(0.47°C)		 92nd Coolest
Coolest since:
 1927
37th Warmest
Warmest since:
 1983
Jul–Aug 2015
2-Month 		73.44°F
(23.02°C)		 72.86°F
(22.70°C)		 0.58°F
(0.32°C)		 87th Coolest
Coolest since:
 1992
42nd Warmest
Warmest since:
 1936
Ties: 1991
Jun–Aug 2015
3-Month 		72.75°F
(22.64°C)		 71.40°F
(21.89°C)		 1.35°F
(0.75°C)		 112th Coolest
Coolest since:
 1915
17th Warmest
Warmest since:
 1936, 2021
May–Aug 2015
4-Month 		69.77°F
(20.98°C)		 68.60°F
(20.33°C)		 1.17°F
(0.65°C)		 110th Coolest
Coolest since:
 1907
19th Warmest
Warmest since:
 2018
Ties: 1939
Apr–Aug 2015
5-Month 		66.46°F
(19.14°C)		 65.09°F
(18.38°C)		 1.37°F
(0.76°C)		 113th Coolest
Coolest since:
 1907
16th Warmest
Warmest since:
 2012
Ties: 1977
Mar–Aug 2015
6-Month 		62.95°F
(17.19°C)		 61.16°F
(16.20°C)		 1.79°F
(0.99°C)		 116th Coolest
Coolest since:
 1917
13th Warmest
Warmest since:
 2012
Feb–Aug 2015
7-Month 		58.67°F
(14.82°C)		 57.25°F
(14.03°C)		 1.42°F
(0.79°C)		 111th Coolest
Coolest since:
 1917
18th Warmest
Warmest since:
 2012
Jan–Aug 2015
8-Month 		55.47°F
(13.04°C)		 53.86°F
(12.14°C)		 1.61°F
(0.90°C)		 115th Coolest
Coolest since:
 1912
14th Warmest
Warmest since:
 2012
Dec 2014–Aug 2015
9-Month 		53.40°F
(11.89°C)		 51.52°F
(10.84°C)		 1.88°F
(1.05°C)		 119th Coolest
Coolest since:
 1917
9th Warmest
Warmest since:
 2012
Ties: 2021
Nov 2014–Aug 2015
10-Month 		51.98°F
(11.10°C)		 50.54°F
(10.30°C)		 1.44°F
(0.80°C)		 112th Coolest
Coolest since:
 1912
16th Warmest
Warmest since:
 2012
Oct 2014–Aug 2015
11-Month 		52.43°F
(11.35°C)		 50.86°F
(10.48°C)		 1.57°F
(0.87°C)		 114th Coolest
Coolest since:
 1912
14th Warmest
Warmest since:
 2012
Ties: 2007
Sep 2014–Aug 2015
12-Month 		53.58°F
(11.99°C)		 52.03°F
(11.13°C)		 1.55°F
(0.86°C)		 114th Coolest
Coolest since:
 1917
14th Warmest
Warmest since:
 2012
Mar 2014–Aug 2015
18-Month 		56.20°F
(13.44°C)		 55.07°F
(12.82°C)		 1.13°F
(0.62°C)		 108th Coolest
Coolest since:
 1917
20th Warmest
Warmest since:
 2017
Sep 2013–Aug 2015
24-Month 		52.81°F
(11.56°C)		 52.02°F
(11.12°C)		 0.79°F
(0.44°C)		 97th Coolest
Coolest since:
 1918
30th Warmest
Warmest since:
 2017
Sep 2012–Aug 2015
36-Month 		52.88°F
(11.60°C)		 52.00°F
(11.11°C)		 0.88°F
(0.49°C)		 100th Coolest
Coolest since:
 1917
26th Warmest
Warmest since:
 2018
Sep 2011–Aug 2015
48-Month 		53.48°F
(11.93°C)		 51.99°F
(11.11°C)		 1.49°F
(0.82°C)		 113th Coolest
Coolest since:
 1920
12th Warmest
Warmest since:
 2018
Sep 2010–Aug 2015
60-Month 		53.37°F
(11.87°C)		 51.98°F
(11.10°C)		 1.39°F
(0.77°C)		 111th Coolest
Coolest since:
 1920
13th Warmest
Warmest since:
 2020
Ties: 2009

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