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, April 1957

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 1957
1-Month		39.29°F
(4.05°C)		38.61°F
(3.67°C)		0.68°F
(0.38°C)		80th Coolest
Coolest since:
1920
50th Warmest
Warmest since:
1981
Mar–Apr 1957
2-Month		34.93°F
(1.63°C)		34.30°F
(1.28°C)		0.63°F
(0.35°C)		84th Coolest
Coolest since:
1950
46th Warmest
Warmest since:
2012
Feb–Apr 1957
3-Month		32.49°F
(0.27°C)		30.47°F
(-0.85°C)		2.02°F
(1.12°C)		107th Coolest
Coolest since:
1899
23rd Warmest
Warmest since:
2012
Jan–Apr 1957
4-Month		28.61°F
(-1.88°C)		27.79°F
(-2.34°C)		0.82°F
(0.46°C)		84th Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2012
Dec 1956–Apr 1957
5-Month		27.92°F
(-2.27°C)		26.76°F
(-2.91°C)		1.16°F
(0.64°C)		94th Coolest
Coolest since:
1899
35th Warmest
Warmest since:
2012
Nov 1956–Apr 1957
6-Month		27.99°F
(-2.23°C)		27.42°F
(-2.54°C)		0.57°F
(0.31°C)		79th Coolest
Coolest since:
1899
50th Warmest
Warmest since:
2017
Oct 1956–Apr 1957
7-Month		30.12°F
(-1.04°C)		29.42°F
(-1.43°C)		0.70°F
(0.39°C)		87th Coolest
Coolest since:
1899
42nd Warmest
Warmest since:
2017
Sep 1956–Apr 1957
8-Month		32.64°F
(0.36°C)		32.23°F
(0.13°C)		0.41°F
(0.23°C)		79th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2016
Aug 1956–Apr 1957
9-Month		35.46°F
(1.92°C)		35.21°F
(1.78°C)		0.25°F
(0.14°C)		70th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
2017
Jul 1956–Apr 1957
10-Month		37.91°F
(3.28°C)		37.74°F
(3.19°C)		0.17°F
(0.09°C)		66th Coolest
Coolest since:
1917
63rd Warmest
Warmest since:
2017
Jun 1956–Apr 1957
11-Month		39.62°F
(4.23°C)		39.37°F
(4.09°C)		0.25°F
(0.14°C)		77th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2017
Ties: 1939, 2001
May 1956–Apr 1957
12-Month		40.39°F
(4.66°C)		40.04°F
(4.47°C)		0.35°F
(0.19°C)		79th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2016
Ties: 1919, 1976
Nov 1955–Apr 1957
18-Month		35.54°F
(1.97°C)		35.83°F
(2.13°C)		-0.29°F
(-0.16°C)		41st Coolest
Coolest since:
1918
87th Warmest
Warmest since:
2017
May 1955–Apr 1957
24-Month		39.89°F
(4.38°C)		40.03°F
(4.46°C)		-0.14°F
(-0.08°C)		49th Coolest
Coolest since:
1918
79th Warmest
Warmest since:
2017
May 1954–Apr 1957
36-Month		39.92°F
(4.40°C)		40.02°F
(4.46°C)		-0.10°F
(-0.06°C)		46th Coolest
Coolest since:
1918
81st Warmest
Warmest since:
2017
May 1953–Apr 1957
48-Month		40.15°F
(4.53°C)		40.01°F
(4.45°C)		0.14°F
(0.08°C)		68th Coolest
Coolest since:
1918
58th Warmest
Warmest since:
2019
May 1952–Apr 1957
60-Month		40.20°F
(4.56°C)		40.00°F
(4.44°C)		0.20°F
(0.12°C)		74th Coolest
Coolest since:
1920
51st Warmest
Warmest since:
2020

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