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.

Maximum Temperature Rankings, September 1956

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1956
1-Month		79.93°F
(26.63°C)		77.81°F
(25.45°C)		2.12°F
(1.18°C)		109th Coolest
Coolest since:
1965
20th Warmest
Warmest since:
1998
Aug–Sep 1956
2-Month		82.62°F
(28.12°C)		81.48°F
(27.49°C)		1.14°F
(0.63°C)		95th Coolest
Coolest since:
1965
34th Warmest
Warmest since:
1998
Jul–Sep 1956
3-Month		83.81°F
(28.78°C)		83.21°F
(28.45°C)		0.60°F
(0.33°C)		83rd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
1936
Ties: 1925
Jun–Sep 1956
4-Month		83.85°F
(28.81°C)		82.74°F
(28.19°C)		1.11°F
(0.62°C)		100th Coolest
Coolest since:
1915
29th Warmest
Warmest since:
1936
Ties: 2001
May–Sep 1956
5-Month		82.01°F
(27.78°C)		80.78°F
(27.10°C)		1.23°F
(0.68°C)		106th Coolest
Coolest since:
1915
23rd Warmest
Warmest since:
1936
Apr–Sep 1956
6-Month		78.70°F
(25.94°C)		77.90°F
(25.50°C)		0.80°F
(0.44°C)		90th Coolest
Coolest since:
1907
39th Warmest
Warmest since:
2012
Mar–Sep 1956
7-Month		75.10°F
(23.94°C)		74.35°F
(23.53°C)		0.75°F
(0.41°C)		91st Coolest
Coolest since:
1912
38th Warmest
Warmest since:
2012
Feb–Sep 1956
8-Month		71.11°F
(21.73°C)		70.66°F
(21.48°C)		0.45°F
(0.25°C)		80th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
2012
Jan–Sep 1956
9-Month		67.78°F
(19.88°C)		67.30°F
(19.61°C)		0.48°F
(0.27°C)		80th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
2012
Dec 1955–Sep 1956
10-Month		65.19°F
(18.44°C)		64.86°F
(18.26°C)		0.33°F
(0.18°C)		74th Coolest
Coolest since:
1912
54th Warmest
Warmest since:
2012
Nov 1955–Sep 1956
11-Month		63.78°F
(17.66°C)		63.75°F
(17.64°C)		0.03°F
(0.02°C)		60th Coolest
Coolest since:
1912
68th Warmest
Warmest since:
2012
Oct 1955–Sep 1956
12-Month		64.20°F
(17.89°C)		64.01°F
(17.78°C)		0.19°F
(0.11°C)		68th Coolest
Coolest since:
1912
60th Warmest
Warmest since:
2012
Apr 1955–Sep 1956
18-Month		69.09°F
(20.61°C)		68.64°F
(20.36°C)		0.45°F
(0.25°C)		82nd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2012
Ties: 2019
Oct 1954–Sep 1956
24-Month		64.39°F
(17.99°C)		64.00°F
(17.78°C)		0.39°F
(0.21°C)		82nd Coolest
Coolest since:
1913
45th Warmest
Warmest since:
2017
Oct 1953–Sep 1956
36-Month		64.91°F
(18.28°C)		63.98°F
(17.77°C)		0.93°F
(0.51°C)		99th Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2018
Oct 1952–Sep 1956
48-Month		64.98°F
(18.32°C)		63.97°F
(17.76°C)		1.01°F
(0.56°C)		101st Coolest
Coolest since:
1915
24th Warmest
Warmest since:
2018
Oct 1951–Sep 1956
60-Month		64.81°F
(18.23°C)		63.96°F
(17.76°C)		0.85°F
(0.47°C)		95th Coolest
Coolest since:
1907
29th Warmest
Warmest since:
2016
Ties: 1938

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