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 1915

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1915
1-Month
46.56°F
(8.09°C)
47.44°F
(8.58°C)
-0.88°F
(-0.49°C)
25th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2018
Ties: 2008
Apr–May 1915
2-Month
44.31°F
(6.84°C)
43.03°F
(6.13°C)
1.28°F
(0.71°C)
109th Coolest
Coolest since:
1907
20th Warmest
Warmest since:
2012
Mar–May 1915
3-Month
38.37°F
(3.54°C)
38.68°F
(3.71°C)
-0.31°F
(-0.17°C)
47th Coolest
Coolest since:
1917
82nd Warmest
Warmest since:
2012
Feb–May 1915
4-Month
35.36°F
(1.87°C)
34.72°F
(1.51°C)
0.64°F
(0.36°C)
90th Coolest
Coolest since:
1917
39th Warmest
Warmest to Date
2012
Jan–May 1915
5-Month
31.96°F
(-0.02°C)
31.72°F
(-0.16°C)
0.24°F
(0.14°C)
73rd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2012
Dec 1914–May 1915
6-Month
29.63°F
(-1.32°C)
30.21°F
(-0.99°C)
-0.58°F
(-0.33°C)
40th Coolest
Coolest since:
1917
88th Warmest
Warmest since:
2012
Ties: 1968
Nov 1914–May 1915
7-Month
29.81°F
(-1.22°C)
30.28°F
(-0.96°C)
-0.47°F
(-0.26°C)
34th Coolest
Coolest since:
1917
94th Warmest
Warmest since:
2012
Oct 1914–May 1915
8-Month
31.52°F
(-0.27°C)
31.67°F
(-0.18°C)
-0.15°F
(-0.09°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016, 2017
Ties: 1988
Sep 1914–May 1915
9-Month
33.74°F
(0.97°C)
33.92°F
(1.07°C)
-0.18°F
(-0.10°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016
Ties: 1959
Aug 1914–May 1915
10-Month
36.24°F
(2.36°C)
36.44°F
(2.47°C)
-0.20°F
(-0.11°C)
45th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2017
Ties: 1963
Jul 1914–May 1915
11-Month
38.48°F
(3.60°C)
38.62°F
(3.68°C)
-0.14°F
(-0.08°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2017
Ties: 1926, 1982
Jun 1914–May 1915
12-Month
40.00°F
(4.44°C)
40.04°F
(4.47°C)
-0.04°F
(-0.03°C)
53rd Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2017
Dec 1913–May 1915
18-Month
36.84°F
(2.69°C)
36.75°F
(2.64°C)
0.09°F
(0.05°C)
66th Coolest
Coolest since:
1918
61st Warmest
Warmest since:
2017
Jun 1913–May 1915
24-Month
40.16°F
(4.53°C)
40.04°F
(4.47°C)
0.12°F
(0.06°C)
66th Coolest
Coolest since:
1918
61st Warmest
Warmest since:
2017
Ties: 1943
Jun 1912–May 1915
36-Month
39.72°F
(4.29°C)
40.02°F
(4.46°C)
-0.30°F
(-0.17°C)
33rd Coolest
Coolest since:
1918
93rd Warmest
Warmest since:
2017
Ties: 1901, 1949
Jun 1911–May 1915
48-Month
39.47°F
(4.15°C)
40.01°F
(4.45°C)
-0.54°F
(-0.30°C)
12th Coolest
Coolest since:
1918
113th Warmest
Warmest since:
2018
Jun 1910–May 1915
60-Month
39.62°F
(4.23°C)
40.00°F
(4.44°C)
-0.38°F
(-0.21°C)
20th Coolest
Coolest since:
1920
104th Warmest
Warmest since:
2020

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