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 2018

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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 2018
1-Month 		73.51°F
(23.06°C)		 72.10°F
(22.28°C)		 1.41°F
(0.78°C)		 106th Coolest
Coolest since:
 1927
23rd Warmest
Warmest since:
 1983
Jul–Aug 2018
2-Month 		74.48°F
(23.60°C)		 72.86°F
(22.70°C)		 1.62°F
(0.90°C)		 114th Coolest
Coolest since:
 1992
15th Warmest
Warmest since:
 1936
Jun–Aug 2018
3-Month 		73.50°F
(23.06°C)		 71.40°F
(21.89°C)		 2.10°F
(1.17°C)		 120th Coolest
Coolest since:
 1915
9th Warmest
Warmest since:
 1936, 2021
Ties: 2016
May–Aug 2018
4-Month 		71.51°F
(21.95°C)		 68.60°F
(20.33°C)		 2.91°F
(1.62°C)		 128th Coolest
Coolest since:
 1907
1st Warmest
Warmest to Date
 2018
Apr–Aug 2018
5-Month 		67.01°F
(19.45°C)		 65.09°F
(18.38°C)		 1.92°F
(1.07°C)		 124th Coolest
Coolest since:
 1907
5th Warmest
Warmest since:
 2012
Mar–Aug 2018
6-Month 		62.96°F
(17.20°C)		 61.15°F
(16.19°C)		 1.81°F
(1.01°C)		 117th Coolest
Coolest since:
 1917
12th Warmest
Warmest since:
 2012
Feb–Aug 2018
7-Month 		59.04°F
(15.02°C)		 57.25°F
(14.03°C)		 1.79°F
(0.99°C)		 120th Coolest
Coolest since:
 1917
9th Warmest
Warmest since:
 2012
Jan–Aug 2018
8-Month 		55.68°F
(13.16°C)		 53.86°F
(12.14°C)		 1.82°F
(1.02°C)		 118th Coolest
Coolest since:
 1912
11th Warmest
Warmest since:
 2012
Dec 2017–Aug 2018
9-Month 		53.31°F
(11.84°C)		 51.52°F
(10.84°C)		 1.79°F
(1.00°C)		 115th Coolest
Coolest since:
 1917
13th Warmest
Warmest since:
 2012
Nov 2017–Aug 2018
10-Month 		52.48°F
(11.38°C)		 50.54°F
(10.30°C)		 1.94°F
(1.08°C)		 117th Coolest
Coolest since:
 1912
11th Warmest
Warmest since:
 2012
Oct 2017–Aug 2018
11-Month 		52.77°F
(11.54°C)		 50.86°F
(10.48°C)		 1.91°F
(1.06°C)		 118th Coolest
Coolest since:
 1912
10th Warmest
Warmest since:
 2012
Sep 2017–Aug 2018
12-Month 		53.90°F
(12.17°C)		 52.03°F
(11.13°C)		 1.87°F
(1.04°C)		 117th Coolest
Coolest since:
 1917
11th Warmest
Warmest since:
 2012
Mar 2017–Aug 2018
18-Month 		56.96°F
(13.87°C)		 55.07°F
(12.82°C)		 1.89°F
(1.05°C)		 120th Coolest
Coolest since:
 1917
8th Warmest
Warmest since:
 2017
Ties: 2000
Sep 2016–Aug 2018
24-Month 		54.41°F
(12.45°C)		 52.02°F
(11.12°C)		 2.39°F
(1.33°C)		 125th Coolest
Coolest since:
 1918
2nd Warmest
Warmest since:
 2017
Sep 2015–Aug 2018
36-Month 		54.67°F
(12.59°C)		 52.00°F
(11.11°C)		 2.67°F
(1.48°C)		 125th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2018
Sep 2014–Aug 2018
48-Month 		54.40°F
(12.44°C)		 51.99°F
(11.11°C)		 2.41°F
(1.33°C)		 124th Coolest
Coolest since:
 1920
1st Warmest
Warmest to Date
 2018
Sep 2013–Aug 2018
60-Month 		53.92°F
(12.18°C)		 51.98°F
(11.10°C)		 1.94°F
(1.08°C)		 121st Coolest
Coolest since:
 1920
3rd Warmest
Warmest to Date
 2020

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