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 1981

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1981
1-Month		78.08°F
(25.60°C)		77.81°F
(25.45°C)		0.27°F
(0.15°C)		63rd Coolest
Coolest since:
1965
66th Warmest
Warmest since:
1998
Aug–Sep 1981
2-Month		81.52°F
(27.51°C)		81.48°F
(27.49°C)		0.04°F
(0.02°C)		57th Coolest
Coolest since:
1965
72nd Warmest
Warmest since:
1998
Ties: 2017
Jul–Sep 1981
3-Month		83.19°F
(28.44°C)		83.21°F
(28.45°C)		-0.02°F
(-0.01°C)		59th Coolest
Coolest since:
1912
70th Warmest
Warmest since:
1936
Ties: 1914, 1917
Jun–Sep 1981
4-Month		82.96°F
(28.31°C)		82.74°F
(28.19°C)		0.22°F
(0.12°C)		67th Coolest
Coolest since:
1915
62nd Warmest
Warmest since:
1936
Ties: 1897
May–Sep 1981
5-Month		80.59°F
(26.99°C)		80.78°F
(27.10°C)		-0.19°F
(-0.11°C)		49th Coolest
Coolest since:
1915
80th Warmest
Warmest since:
1936
Apr–Sep 1981
6-Month		78.47°F
(25.82°C)		77.90°F
(25.50°C)		0.57°F
(0.32°C)		82nd Coolest
Coolest since:
1907
47th Warmest
Warmest since:
2012
Mar–Sep 1981
7-Month		75.07°F
(23.93°C)		74.35°F
(23.53°C)		0.72°F
(0.40°C)		88th Coolest
Coolest since:
1912
41st Warmest
Warmest since:
2012
Feb–Sep 1981
8-Month		71.74°F
(22.08°C)		70.66°F
(21.48°C)		1.08°F
(0.60°C)		98th Coolest
Coolest since:
1912
31st Warmest
Warmest since:
2012
Jan–Sep 1981
9-Month		68.61°F
(20.34°C)		67.30°F
(19.61°C)		1.31°F
(0.73°C)		103rd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2012
Dec 1980–Sep 1981
10-Month		66.37°F
(19.09°C)		64.86°F
(18.26°C)		1.51°F
(0.83°C)		111th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2012
Ties: 1939
Nov 1980–Sep 1981
11-Month		65.21°F
(18.45°C)		63.75°F
(17.64°C)		1.46°F
(0.81°C)		112th Coolest
Coolest since:
1912
16th Warmest
Warmest since:
2012
Oct 1980–Sep 1981
12-Month		65.25°F
(18.47°C)		64.01°F
(17.78°C)		1.24°F
(0.69°C)		110th Coolest
Coolest since:
1912
18th Warmest
Warmest since:
2012
Apr 1980–Sep 1981
18-Month		69.81°F
(21.01°C)		68.64°F
(20.36°C)		1.17°F
(0.65°C)		108th Coolest
Coolest since:
1912
20th Warmest
Warmest since:
2012
Oct 1979–Sep 1981
24-Month		64.88°F
(18.27°C)		64.00°F
(17.78°C)		0.88°F
(0.49°C)		102nd Coolest
Coolest since:
1913
25th Warmest
Warmest since:
2017
Oct 1978–Sep 1981
36-Month		63.99°F
(17.77°C)		63.98°F
(17.77°C)		0.01°F
(0.00°C)		56th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2018
Ties: 1952, 1959
Oct 1977–Sep 1981
48-Month		63.75°F
(17.64°C)		63.97°F
(17.76°C)		-0.22°F
(-0.12°C)		38th Coolest
Coolest since:
1915
87th Warmest
Warmest since:
2018
Oct 1976–Sep 1981
60-Month		63.80°F
(17.67°C)		63.96°F
(17.76°C)		-0.16°F
(-0.09°C)		41st Coolest
Coolest since:
1907
83rd Warmest
Warmest since:
2016
Ties: 1976

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