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 2018

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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 2018
1-Month
52.61°F
(11.45°C)
47.44°F
(8.58°C)
5.17°F
(2.87°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2018
Apr–May 2018
2-Month
44.40°F
(6.89°C)
43.03°F
(6.13°C)
1.37°F
(0.76°C)
111th Coolest
Coolest since:
1907
18th Warmest
Warmest since:
2012
Mar–May 2018
3-Month
40.08°F
(4.49°C)
38.68°F
(3.71°C)
1.40°F
(0.78°C)
106th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2012
Feb–May 2018
4-Month
36.15°F
(2.31°C)
34.71°F
(1.51°C)
1.44°F
(0.80°C)
104th Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2012
Ties: 1946
Jan–May 2018
5-Month
33.15°F
(0.64°C)
31.72°F
(-0.16°C)
1.43°F
(0.80°C)
104th Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2012
Ties: 2001
Dec 2017–May 2018
6-Month
31.59°F
(-0.23°C)
30.22°F
(-0.99°C)
1.37°F
(0.76°C)
101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2012
Nov 2017–May 2018
7-Month
31.91°F
(-0.05°C)
30.28°F
(-0.96°C)
1.63°F
(0.91°C)
108th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2012
Oct 2017–May 2018
8-Month
33.29°F
(0.72°C)
31.68°F
(-0.18°C)
1.61°F
(0.90°C)
112th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2016, 2017
Sep 2017–May 2018
9-Month
35.56°F
(1.98°C)
33.92°F
(1.07°C)
1.64°F
(0.91°C)
112th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2016
Aug 2017–May 2018
10-Month
37.98°F
(3.32°C)
36.43°F
(2.46°C)
1.55°F
(0.86°C)
112th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2017
Ties: 1995
Jul 2017–May 2018
11-Month
40.24°F
(4.58°C)
38.62°F
(3.68°C)
1.62°F
(0.90°C)
113th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2017
Jun 2017–May 2018
12-Month
41.68°F
(5.38°C)
40.05°F
(4.47°C)
1.63°F
(0.91°C)
113th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2017
Dec 2016–May 2018
18-Month
39.00°F
(3.89°C)
36.76°F
(2.64°C)
2.24°F
(1.25°C)
123rd Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2017
Jun 2016–May 2018
24-Month
42.54°F
(5.86°C)
40.03°F
(4.46°C)
2.51°F
(1.40°C)
124th Coolest
Coolest since:
1918
3rd Warmest
Warmest since:
2017
Jun 2015–May 2018
36-Month
42.82°F
(6.01°C)
40.02°F
(4.46°C)
2.80°F
(1.55°C)
124th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
2017
Jun 2014–May 2018
48-Month
42.55°F
(5.86°C)
40.01°F
(4.45°C)
2.54°F
(1.41°C)
124th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2018
Jun 2013–May 2018
60-Month
42.09°F
(5.61°C)
39.99°F
(4.44°C)
2.10°F
(1.17°C)
120th Coolest
Coolest since:
1920
4th Warmest
Warmest to Date
2020

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