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 1945

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 1945
1-Month		45.39°F
(7.44°C)		47.44°F
(8.58°C)		-2.05°F
(-1.14°C)		8th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
2018
Apr–May 1945
2-Month		41.63°F
(5.35°C)		43.03°F
(6.13°C)		-1.40°F
(-0.78°C)		11th Coolest
Coolest since:
1907
118th Warmest
Warmest since:
2012
Mar–May 1945
3-Month		38.94°F
(3.86°C)		38.68°F
(3.71°C)		0.26°F
(0.15°C)		70th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
2012
Feb–May 1945
4-Month		35.39°F
(1.88°C)		34.72°F
(1.51°C)		0.67°F
(0.37°C)		91st Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2012
Jan–May 1945
5-Month		32.42°F
(0.23°C)		31.72°F
(-0.16°C)		0.70°F
(0.39°C)		86th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2012
Ties: 1896
Dec 1944–May 1945
6-Month		30.45°F
(-0.86°C)		30.21°F
(-0.99°C)		0.24°F
(0.13°C)		69th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
2012
Ties: 1989
Nov 1944–May 1945
7-Month		30.69°F
(-0.73°C)		30.28°F
(-0.96°C)		0.41°F
(0.23°C)		78th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2012
Oct 1944–May 1945
8-Month		32.01°F
(0.01°C)		31.68°F
(-0.18°C)		0.33°F
(0.19°C)		74th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2016, 2017
Ties: 1989
Sep 1944–May 1945
9-Month		34.24°F
(1.24°C)		33.92°F
(1.07°C)		0.32°F
(0.17°C)		78th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2016
Ties: 1958
Aug 1944–May 1945
10-Month		36.68°F
(2.60°C)		36.44°F
(2.47°C)		0.24°F
(0.13°C)		70th Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2017
Jul 1944–May 1945
11-Month		38.71°F
(3.73°C)		38.63°F
(3.68°C)		0.08°F
(0.05°C)		62nd Coolest
Coolest since:
1917
66th Warmest
Warmest since:
2017
Ties: 1902
Jun 1944–May 1945
12-Month		40.13°F
(4.52°C)		40.04°F
(4.47°C)		0.09°F
(0.05°C)		66th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2017
Dec 1943–May 1945
18-Month		36.79°F
(2.66°C)		36.76°F
(2.64°C)		0.03°F
(0.02°C)		61st Coolest
Coolest since:
1918
66th Warmest
Warmest since:
2017
Ties: 1926, 1976
Jun 1943–May 1945
24-Month		39.96°F
(4.42°C)		40.03°F
(4.46°C)		-0.07°F
(-0.04°C)		56th Coolest
Coolest since:
1918
71st Warmest
Warmest since:
2017
Ties: 1911
Jun 1942–May 1945
36-Month		39.90°F
(4.39°C)		40.02°F
(4.46°C)		-0.12°F
(-0.07°C)		46th Coolest
Coolest since:
1918
80th Warmest
Warmest since:
2017
Ties: 1909, 1924
Jun 1941–May 1945
48-Month		40.06°F
(4.48°C)		40.01°F
(4.45°C)		0.05°F
(0.03°C)		61st Coolest
Coolest since:
1918
64th Warmest
Warmest since:
2018
Jun 1940–May 1945
60-Month		40.23°F
(4.57°C)		40.00°F
(4.44°C)		0.23°F
(0.13°C)		76th Coolest
Coolest since:
1920
48th Warmest
Warmest since:
2020

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