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 1957

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1957
1-Month		77.38°F
(25.21°C)		77.81°F
(25.45°C)		-0.43°F
(-0.24°C)		46th Coolest
Coolest since:
1965
83rd Warmest
Warmest since:
1998
Aug–Sep 1957
2-Month		81.10°F
(27.28°C)		81.48°F
(27.49°C)		-0.38°F
(-0.21°C)		45th Coolest
Coolest since:
1965
84th Warmest
Warmest since:
1998
Jul–Sep 1957
3-Month		83.24°F
(28.47°C)		83.21°F
(28.45°C)		0.03°F
(0.02°C)		63rd Coolest
Coolest since:
1912
66th Warmest
Warmest since:
1936
Jun–Sep 1957
4-Month		82.68°F
(28.16°C)		82.74°F
(28.19°C)		-0.06°F
(-0.03°C)		56th Coolest
Coolest since:
1915
73rd Warmest
Warmest since:
1936
May–Sep 1957
5-Month		80.38°F
(26.88°C)		80.78°F
(27.10°C)		-0.40°F
(-0.22°C)		40th Coolest
Coolest since:
1915
89th Warmest
Warmest since:
1936
Apr–Sep 1957
6-Month		77.34°F
(25.19°C)		77.90°F
(25.50°C)		-0.56°F
(-0.31°C)		33rd Coolest
Coolest since:
1907
96th Warmest
Warmest since:
2012
Mar–Sep 1957
7-Month		73.72°F
(23.18°C)		74.35°F
(23.53°C)		-0.63°F
(-0.35°C)		25th Coolest
Coolest since:
1912
104th Warmest
Warmest since:
2012
Feb–Sep 1957
8-Month		70.57°F
(21.43°C)		70.66°F
(21.48°C)		-0.09°F
(-0.05°C)		51st Coolest
Coolest since:
1912
78th Warmest
Warmest since:
2012
Ties: 1945, 1996
Jan–Sep 1957
9-Month		66.86°F
(19.37°C)		67.30°F
(19.61°C)		-0.44°F
(-0.24°C)		37th Coolest
Coolest since:
1912
92nd Warmest
Warmest since:
2012
Dec 1956–Sep 1957
10-Month		64.90°F
(18.28°C)		64.86°F
(18.26°C)		0.04°F
(0.02°C)		59th Coolest
Coolest since:
1912
69th Warmest
Warmest since:
2012
Nov 1956–Sep 1957
11-Month		63.75°F
(17.64°C)		63.75°F
(17.64°C)		0.00°F
(0.00°C)		54th Coolest
Coolest since:
1912
74th Warmest
Warmest since:
2012
Oct 1956–Sep 1957
12-Month		64.22°F
(17.90°C)		64.01°F
(17.78°C)		0.21°F
(0.12°C)		69th Coolest
Coolest since:
1912
59th Warmest
Warmest since:
2012
Apr 1956–Sep 1957
18-Month		69.05°F
(20.58°C)		68.64°F
(20.36°C)		0.41°F
(0.22°C)		80th Coolest
Coolest since:
1912
48th Warmest
Warmest since:
2012
Oct 1955–Sep 1957
24-Month		64.21°F
(17.89°C)		64.00°F
(17.78°C)		0.21°F
(0.11°C)		70th Coolest
Coolest since:
1913
57th Warmest
Warmest since:
2017
Oct 1954–Sep 1957
36-Month		64.34°F
(17.97°C)		63.98°F
(17.77°C)		0.36°F
(0.20°C)		83rd Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2018
Oct 1953–Sep 1957
48-Month		64.74°F
(18.19°C)		63.97°F
(17.76°C)		0.77°F
(0.43°C)		92nd Coolest
Coolest since:
1915
33rd Warmest
Warmest since:
2018
Oct 1952–Sep 1957
60-Month		64.83°F
(18.24°C)		63.96°F
(17.76°C)		0.87°F
(0.48°C)		96th Coolest
Coolest since:
1907
28th Warmest
Warmest since:
2016

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