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 1938

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1938
1-Month
47.61°F
(8.67°C)
47.44°F
(8.58°C)
0.17°F
(0.09°C)
60th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2018
Ties: 1978
Apr–May 1938
2-Month
43.50°F
(6.39°C)
43.03°F
(6.13°C)
0.47°F
(0.26°C)
74th Coolest
Coolest since:
1907
55th Warmest
Warmest since:
2012
Mar–May 1938
3-Month
40.28°F
(4.60°C)
38.68°F
(3.71°C)
1.60°F
(0.89°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2012
Feb–May 1938
4-Month
36.65°F
(2.58°C)
34.72°F
(1.51°C)
1.93°F
(1.07°C)
117th Coolest
Coolest since:
1917
12th Warmest
Warmest to Date
2012
Jan–May 1938
5-Month
33.75°F
(0.97°C)
31.72°F
(-0.16°C)
2.03°F
(1.13°C)
113th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2012
Dec 1937–May 1938
6-Month
32.04°F
(0.02°C)
30.22°F
(-0.99°C)
1.82°F
(1.01°C)
111th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2012
Nov 1937–May 1938
7-Month
31.74°F
(-0.14°C)
30.28°F
(-0.96°C)
1.46°F
(0.82°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2012
Oct 1937–May 1938
8-Month
32.96°F
(0.53°C)
31.68°F
(-0.18°C)
1.28°F
(0.71°C)
104th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2016, 2017
Sep 1937–May 1938
9-Month
35.11°F
(1.73°C)
33.93°F
(1.07°C)
1.18°F
(0.66°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2016
Ties: 2007
Aug 1937–May 1938
10-Month
37.70°F
(3.17°C)
36.43°F
(2.46°C)
1.27°F
(0.71°C)
106th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2017
Jul 1937–May 1938
11-Month
39.85°F
(4.36°C)
38.63°F
(3.68°C)
1.22°F
(0.68°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2017
Jun 1937–May 1938
12-Month
41.21°F
(5.12°C)
40.05°F
(4.47°C)
1.16°F
(0.65°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2017
Dec 1936–May 1938
18-Month
37.18°F
(2.88°C)
36.76°F
(2.64°C)
0.42°F
(0.24°C)
79th Coolest
Coolest since:
1918
48th Warmest
Warmest since:
2017
Ties: 1955
Jun 1936–May 1938
24-Month
40.47°F
(4.71°C)
40.03°F
(4.46°C)
0.44°F
(0.25°C)
82nd Coolest
Coolest since:
1918
45th Warmest
Warmest since:
2017
Jun 1935–May 1938
36-Month
40.00°F
(4.44°C)
40.02°F
(4.46°C)
-0.02°F
(-0.02°C)
56th Coolest
Coolest since:
1918
70th Warmest
Warmest since:
2017
Ties: 1946, 1947
Jun 1934–May 1938
48-Month
40.26°F
(4.59°C)
40.00°F
(4.44°C)
0.26°F
(0.15°C)
77th Coolest
Coolest since:
1918
48th Warmest
Warmest since:
2018
Jun 1933–May 1938
60-Month
40.49°F
(4.72°C)
40.00°F
(4.44°C)
0.49°F
(0.28°C)
86th Coolest
Coolest since:
1920
38th Warmest
Warmest since:
2020

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