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, May 2017

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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 2017
1-Month
60.57°F
(15.87°C)
60.20°F
(15.67°C)
0.37°F
(0.20°C)
71st Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2018
Apr–May 2017
2-Month
57.18°F
(13.99°C)
55.62°F
(13.12°C)
1.56°F
(0.87°C)
115th Coolest
Coolest since:
1907
14th Warmest
Warmest since:
1934
Ties: 1941
Mar–May 2017
3-Month
53.51°F
(11.95°C)
50.92°F
(10.51°C)
2.59°F
(1.44°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2012
Ties: 2007
Feb–May 2017
4-Month
50.43°F
(10.24°C)
46.65°F
(8.14°C)
3.78°F
(2.10°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2012
Jan–May 2017
5-Month
47.05°F
(8.36°C)
43.34°F
(6.30°C)
3.71°F
(2.06°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2012
Dec 2016–May 2017
6-Month
44.70°F
(7.06°C)
41.57°F
(5.32°C)
3.13°F
(1.74°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2012
Nov 2016–May 2017
7-Month
45.17°F
(7.32°C)
41.60°F
(5.33°C)
3.57°F
(1.99°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2012
Oct 2016–May 2017
8-Month
46.74°F
(8.19°C)
43.16°F
(6.20°C)
3.58°F
(1.99°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2012
Sep 2016–May 2017
9-Month
49.00°F
(9.44°C)
45.57°F
(7.54°C)
3.43°F
(1.90°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2012
Aug 2016–May 2017
10-Month
51.46°F
(10.81°C)
48.23°F
(9.02°C)
3.23°F
(1.79°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2012
Jul 2016–May 2017
11-Month
53.62°F
(12.01°C)
50.53°F
(10.29°C)
3.09°F
(1.72°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2012
Jun 2016–May 2017
12-Month
55.13°F
(12.85°C)
52.03°F
(11.13°C)
3.10°F
(1.72°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2012
Dec 2015–May 2017
18-Month
51.83°F
(11.02°C)
48.53°F
(9.18°C)
3.30°F
(1.84°C)
126th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2017
Jun 2015–May 2017
24-Month
55.06°F
(12.81°C)
52.01°F
(11.12°C)
3.05°F
(1.69°C)
126th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2017
Jun 2014–May 2017
36-Month
54.48°F
(12.49°C)
52.00°F
(11.11°C)
2.48°F
(1.38°C)
124th Coolest
Coolest since:
1918
2nd Warmest
Warmest to Date
2018
Jun 2013–May 2017
48-Month
53.92°F
(12.18°C)
51.99°F
(11.11°C)
1.93°F
(1.07°C)
122nd Coolest
Coolest since:
1918
3rd Warmest
Warmest to Date
2018
Jun 2012–May 2017
60-Month
53.80°F
(12.11°C)
51.98°F
(11.10°C)
1.82°F
(1.01°C)
118th Coolest
Coolest since:
1920
6th Warmest
Warmest since:
2020

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