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.

Minimum Temperature Rankings, May 2019

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
May 2019
1-Month 		48.11°F
(8.95°C)		 47.44°F
(8.58°C)		 0.67°F
(0.37°C)		 84th Coolest
Coolest since:
 1917
45th Warmest
Warmest since:
 2018
Ties: 1969
Apr–May 2019
2-Month 		44.46°F
(6.92°C)		 43.02°F
(6.12°C)		 1.44°F
(0.80°C)		 112th Coolest
Coolest since:
 1907
17th Warmest
Warmest since:
 2012
Mar–May 2019
3-Month 		39.37°F
(4.09°C)		 38.68°F
(3.71°C)		 0.69°F
(0.38°C)		 87th Coolest
Coolest since:
 1917
42nd Warmest
Warmest since:
 2012
Feb–May 2019
4-Month 		35.02°F
(1.68°C)		 34.72°F
(1.51°C)		 0.30°F
(0.17°C)		 74th Coolest
Coolest since:
 1917
55th Warmest
Warmest since:
 2012
Jan–May 2019
5-Month 		32.58°F
(0.32°C)		 31.72°F
(-0.16°C)		 0.86°F
(0.48°C)		 91st Coolest
Coolest since:
 1917
38th Warmest
Warmest since:
 2012
Dec 2018–May 2019
6-Month 		31.53°F
(-0.26°C)		 30.21°F
(-0.99°C)		 1.32°F
(0.73°C)		 100th Coolest
Coolest since:
 1917
28th Warmest
Warmest since:
 2012
Nov 2018–May 2019
7-Month 		31.29°F
(-0.39°C)		 30.28°F
(-0.96°C)		 1.01°F
(0.57°C)		 95th Coolest
Coolest since:
 1917
33rd Warmest
Warmest since:
 2012
Oct 2018–May 2019
8-Month 		32.76°F
(0.42°C)		 31.68°F
(-0.18°C)		 1.08°F
(0.60°C)		 98th Coolest
Coolest since:
 1917
30th Warmest
Warmest since:
 2016, 2017
Ties: 2003
Sep 2018–May 2019
9-Month 		35.31°F
(1.84°C)		 33.92°F
(1.07°C)		 1.39°F
(0.77°C)		 105th Coolest
Coolest since:
 1917
23rd Warmest
Warmest since:
 2016
Aug 2018–May 2019
10-Month 		37.88°F
(3.27°C)		 36.43°F
(2.46°C)		 1.45°F
(0.81°C)		 109th Coolest
Coolest since:
 1917
19th Warmest
Warmest since:
 2017
Jul 2018–May 2019
11-Month 		40.14°F
(4.52°C)		 38.63°F
(3.68°C)		 1.51°F
(0.84°C)		 112th Coolest
Coolest since:
 1917
16th Warmest
Warmest since:
 2017
Jun 2018–May 2019
12-Month 		41.70°F
(5.39°C)		 40.04°F
(4.47°C)		 1.66°F
(0.92°C)		 114th Coolest
Coolest since:
 1917
14th Warmest
Warmest since:
 2017
Dec 2017–May 2019
18-Month 		38.33°F
(3.52°C)		 36.76°F
(2.64°C)		 1.57°F
(0.88°C)		 111th Coolest
Coolest since:
 1918
16th Warmest
Warmest since:
 2017
Jun 2017–May 2019
24-Month 		41.69°F
(5.38°C)		 40.03°F
(4.46°C)		 1.66°F
(0.92°C)		 114th Coolest
Coolest since:
 1918
13th Warmest
Warmest since:
 2017
Jun 2016–May 2019
36-Month 		42.26°F
(5.70°C)		 40.01°F
(4.45°C)		 2.25°F
(1.25°C)		 123rd Coolest
Coolest since:
 1918
3rd Warmest
Warmest since:
 2017
Jun 2015–May 2019
48-Month 		42.54°F
(5.86°C)		 40.00°F
(4.44°C)		 2.54°F
(1.42°C)		 123rd Coolest
Coolest since:
 1918
2nd Warmest
Warmest since:
 2018
Jun 2014–May 2019
60-Month 		42.38°F
(5.77°C)		 40.00°F
(4.44°C)		 2.38°F
(1.33°C)		 122nd Coolest
Coolest since:
 1920
2nd Warmest
Warmest to Date
 2020

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