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, October 1991

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1991
1-Month		68.09°F
(20.05°C)		66.80°F
(19.33°C)		1.29°F
(0.72°C)		93rd Coolest
Coolest since:
1925
36th Warmest
Warmest since:
1963
Sep–Oct 1991
2-Month		72.83°F
(22.68°C)		72.31°F
(22.39°C)		0.52°F
(0.29°C)		85th Coolest
Coolest since:
1925
44th Warmest
Warmest since:
1963
Aug–Oct 1991
3-Month		77.12°F
(25.07°C)		76.58°F
(24.77°C)		0.54°F
(0.30°C)		80th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
1947
Jul–Oct 1991
4-Month		79.50°F
(26.39°C)		79.11°F
(26.17°C)		0.39°F
(0.22°C)		80th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
2022
Jun–Oct 1991
5-Month		79.86°F
(26.59°C)		79.55°F
(26.42°C)		0.31°F
(0.17°C)		72nd Coolest
Coolest since:
1912
57th Warmest
Warmest since:
1931, 2022
Ties: 1987, 2013
May–Oct 1991
6-Month		78.81°F
(26.01°C)		78.45°F
(25.81°C)		0.36°F
(0.20°C)		78th Coolest
Coolest since:
1907
51st Warmest
Warmest since:
1934
Ties: 1918, 2013
Apr–Oct 1991
7-Month		76.75°F
(24.86°C)		76.32°F
(24.62°C)		0.43°F
(0.24°C)		77th Coolest
Coolest since:
1907
52nd Warmest
Warmest since:
1934
Mar–Oct 1991
8-Month		74.00°F
(23.33°C)		73.40°F
(23.00°C)		0.60°F
(0.33°C)		87th Coolest
Coolest since:
1912
42nd Warmest
Warmest since:
2012
Feb–Oct 1991
9-Month		71.51°F
(21.95°C)		70.23°F
(21.24°C)		1.28°F
(0.71°C)		108th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2012
Jan–Oct 1991
10-Month		68.28°F
(20.16°C)		67.25°F
(19.58°C)		1.03°F
(0.58°C)		100th Coolest
Coolest since:
1912
29th Warmest
Warmest since:
2012
Ties: 1933, 1946
Dec 1990–Oct 1991
11-Month		65.88°F
(18.82°C)		65.03°F
(18.35°C)		0.85°F
(0.47°C)		98th Coolest
Coolest since:
1912
30th Warmest
Warmest since:
2012
Nov 1990–Oct 1991
12-Month		65.13°F
(18.41°C)		64.01°F
(17.78°C)		1.12°F
(0.63°C)		105th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2012
May 1990–Oct 1991
18-Month		69.66°F
(20.92°C)		68.82°F
(20.46°C)		0.84°F
(0.46°C)		99th Coolest
Coolest since:
1912
29th Warmest
Warmest since:
2012
Nov 1989–Oct 1991
24-Month		65.17°F
(18.43°C)		64.00°F
(17.78°C)		1.17°F
(0.65°C)		108th Coolest
Coolest since:
1913
19th Warmest
Warmest since:
2017
Nov 1988–Oct 1991
36-Month		64.91°F
(18.28°C)		63.98°F
(17.77°C)		0.93°F
(0.51°C)		98th Coolest
Coolest since:
1917
28th Warmest
Warmest since:
2018
Ties: 1940
Nov 1987–Oct 1991
48-Month		64.98°F
(18.32°C)		63.97°F
(17.76°C)		1.01°F
(0.56°C)		99th Coolest
Coolest since:
1915
26th Warmest
Warmest since:
2018
Nov 1986–Oct 1991
60-Month		64.99°F
(18.33°C)		63.96°F
(17.76°C)		1.03°F
(0.57°C)		100th Coolest
Coolest since:
1907
24th Warmest
Warmest since:
2016
Ties: 2005

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