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 1899

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1899
1-Month
47.57°F
(8.65°C)
47.44°F
(8.58°C)
0.13°F
(0.07°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2018
Apr–May 1899
2-Month
42.90°F
(6.06°C)
43.03°F
(6.13°C)
-0.13°F
(-0.07°C)
45th Coolest
Coolest since:
1907
84th Warmest
Warmest since:
2012
Mar–May 1899
3-Month
37.39°F
(2.99°C)
38.68°F
(3.71°C)
-1.29°F
(-0.72°C)
12th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2012
Feb–May 1899
4-Month
31.71°F
(-0.16°C)
34.72°F
(1.51°C)
-3.01°F
(-1.67°C)
2nd Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2012
Jan–May 1899
5-Month
29.26°F
(-1.52°C)
31.72°F
(-0.16°C)
-2.46°F
(-1.36°C)
2nd Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2012
Dec 1898–May 1899
6-Month
27.46°F
(-2.52°C)
30.22°F
(-0.99°C)
-2.76°F
(-1.53°C)
2nd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2012
Nov 1898–May 1899
7-Month
27.43°F
(-2.54°C)
30.28°F
(-0.96°C)
-2.85°F
(-1.58°C)
2nd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2012
Oct 1898–May 1899
8-Month
28.94°F
(-1.70°C)
31.67°F
(-0.18°C)
-2.73°F
(-1.52°C)
2nd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2016, 2017
Sep 1898–May 1899
9-Month
31.53°F
(-0.26°C)
33.92°F
(1.07°C)
-2.39°F
(-1.33°C)
2nd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2016
Aug 1898–May 1899
10-Month
34.38°F
(1.32°C)
36.44°F
(2.47°C)
-2.06°F
(-1.15°C)
2nd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2017
Jul 1898–May 1899
11-Month
36.73°F
(2.63°C)
38.62°F
(3.68°C)
-1.89°F
(-1.05°C)
2nd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2017
Jun 1898–May 1899
12-Month
38.40°F
(3.56°C)
40.05°F
(4.47°C)
-1.65°F
(-0.91°C)
3rd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2017
Dec 1897–May 1899
18-Month
35.65°F
(2.03°C)
36.75°F
(2.64°C)
-1.10°F
(-0.61°C)
6th Coolest
Coolest since:
1918
121st Warmest
Warmest since:
2017
Ties: 1979
Jun 1897–May 1899
24-Month
39.18°F
(3.99°C)
40.03°F
(4.46°C)
-0.85°F
(-0.47°C)
6th Coolest
Coolest since:
1918
121st Warmest
Warmest since:
2017
Jun 1896–May 1899
36-Month
39.39°F
(4.11°C)
40.02°F
(4.46°C)
-0.63°F
(-0.35°C)
11th Coolest
Coolest since:
1918
115th Warmest
Warmest since:
2017
Jun 1895–May 1899
48-Month
39.39°F
(4.11°C)
40.00°F
(4.44°C)
-0.61°F
(-0.33°C)
9th Coolest
Coolest since:
1918
116th Warmest
Warmest to Date
2018
Ties: 1980

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