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.

Maximum Temperature Rankings, August 2013

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 2013
1-Month 		85.39°F
(29.66°C)		 85.14°F
(29.52°C)		 0.25°F
(0.14°C)		 70th Coolest
Coolest since:
 1927
59th Warmest
Warmest since:
 2011
Ties: 1896
Jul–Aug 2013
2-Month 		85.91°F
(29.95°C)		 85.91°F
(29.95°C)		 0.00°F
(0.00°C)		 60th Coolest
Coolest since:
 1992
69th Warmest
Warmest since:
 1936
Ties: 1916, 1961
Jun–Aug 2013
3-Month 		84.94°F
(29.41°C)		 84.39°F
(29.11°C)		 0.55°F
(0.30°C)		 79th Coolest
Coolest since:
 1915
50th Warmest
Warmest since:
 1936
May–Aug 2013
4-Month 		82.09°F
(27.83°C)		 81.53°F
(27.52°C)		 0.56°F
(0.31°C)		 86th Coolest
Coolest since:
 1915
43rd Warmest
Warmest since:
 1934
Apr–Aug 2013
5-Month 		78.08°F
(25.60°C)		 77.92°F
(25.51°C)		 0.16°F
(0.09°C)		 61st Coolest
Coolest since:
 1907
68th Warmest
Warmest since:
 1934
Ties: 2019
Mar–Aug 2013
6-Month 		73.85°F
(23.25°C)		 73.77°F
(23.21°C)		 0.08°F
(0.04°C)		 62nd Coolest
Coolest since:
 1912
67th Warmest
Warmest since:
 2012
Feb–Aug 2013
7-Month 		69.79°F
(20.99°C)		 69.63°F
(20.91°C)		 0.16°F
(0.08°C)		 65th Coolest
Coolest since:
 1912
64th Warmest
Warmest since:
 2012
Jan–Aug 2013
8-Month 		66.41°F
(19.12°C)		 65.99°F
(18.88°C)		 0.42°F
(0.24°C)		 79th Coolest
Coolest since:
 1912
50th Warmest
Warmest since:
 2012
Dec 2012–Aug 2013
9-Month 		64.12°F
(17.84°C)		 63.42°F
(17.46°C)		 0.70°F
(0.38°C)		 92nd Coolest
Coolest since:
 1979
36th Warmest
Warmest since:
 2012
Ties: 1977
Nov 2012–Aug 2013
10-Month 		63.30°F
(17.39°C)		 62.35°F
(16.86°C)		 0.95°F
(0.53°C)		 101st Coolest
Coolest since:
 1912
27th Warmest
Warmest since:
 2012
Oct 2012–Aug 2013
11-Month 		63.55°F
(17.53°C)		 62.76°F
(17.09°C)		 0.79°F
(0.44°C)		 98th Coolest
Coolest since:
 1912
30th Warmest
Warmest since:
 2012
Sep 2012–Aug 2013
12-Month 		64.93°F
(18.29°C)		 64.01°F
(17.78°C)		 0.92°F
(0.51°C)		 103rd Coolest
Coolest since:
 1912
25th Warmest
Warmest since:
 2012
Ties: 2011
Mar 2012–Aug 2013
18-Month 		69.32°F
(20.73°C)		 67.26°F
(19.59°C)		 2.06°F
(1.14°C)		 120th Coolest
Coolest since:
 1899
8th Warmest
Warmest since:
 2012
Sep 2011–Aug 2013
24-Month 		66.31°F
(19.06°C)		 64.00°F
(17.78°C)		 2.31°F
(1.28°C)		 124th Coolest
Coolest since:
 1913
3rd Warmest
Warmest since:
 2017
Ties: 2012
Sep 2010–Aug 2013
36-Month 		65.85°F
(18.81°C)		 63.98°F
(17.77°C)		 1.87°F
(1.04°C)		 121st Coolest
Coolest since:
 1905
5th Warmest
Warmest since:
 2018
Sep 2009–Aug 2013
48-Month 		65.37°F
(18.54°C)		 63.97°F
(17.76°C)		 1.40°F
(0.78°C)		 112th Coolest
Coolest since:
 1915
13th Warmest
Warmest since:
 2018
Ties: 2014
Sep 2008–Aug 2013
60-Month 		65.23°F
(18.46°C)		 63.96°F
(17.76°C)		 1.27°F
(0.70°C)		 108th Coolest
Coolest since:
 1907
16th Warmest
Warmest since:
 2020

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