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 2019

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 2019
1-Month		80.60°F
(27.00°C)		77.81°F
(25.45°C)		2.79°F
(1.55°C)		118th Coolest
Coolest since:
1965
11th Warmest
Warmest since:
1998
Aug–Sep 2019
2-Month		83.48°F
(28.60°C)		81.48°F
(27.49°C)		2.00°F
(1.11°C)		116th Coolest
Coolest since:
1965
13th Warmest
Warmest since:
1998
Ties: 1953
Jul–Sep 2019
3-Month		84.69°F
(29.27°C)		83.21°F
(28.45°C)		1.48°F
(0.82°C)		108th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
1936
Jun–Sep 2019
4-Month		83.82°F
(28.79°C)		82.74°F
(28.19°C)		1.08°F
(0.60°C)		98th Coolest
Coolest since:
1915
31st Warmest
Warmest since:
1936
May–Sep 2019
5-Month		81.23°F
(27.35°C)		80.78°F
(27.10°C)		0.45°F
(0.25°C)		72nd Coolest
Coolest since:
1915
57th Warmest
Warmest since:
1936
Apr–Sep 2019
6-Month		78.50°F
(25.83°C)		77.90°F
(25.50°C)		0.60°F
(0.33°C)		84th Coolest
Coolest since:
1907
45th Warmest
Warmest since:
2012
Ties: 1969
Mar–Sep 2019
7-Month		74.63°F
(23.68°C)		74.35°F
(23.53°C)		0.28°F
(0.15°C)		72nd Coolest
Coolest since:
1912
57th Warmest
Warmest since:
2012
Feb–Sep 2019
8-Month		70.51°F
(21.39°C)		70.66°F
(21.48°C)		-0.15°F
(-0.09°C)		49th Coolest
Coolest since:
1912
80th Warmest
Warmest since:
2012
Jan–Sep 2019
9-Month		67.38°F
(19.66°C)		67.30°F
(19.61°C)		0.08°F
(0.05°C)		59th Coolest
Coolest since:
1912
70th Warmest
Warmest since:
2012
Ties: 1896, 1914, 1989
Dec 2018–Sep 2019
10-Month		65.12°F
(18.40°C)		64.86°F
(18.26°C)		0.26°F
(0.14°C)		69th Coolest
Coolest since:
1912
59th Warmest
Warmest since:
2012
Nov 2018–Sep 2019
11-Month		63.76°F
(17.64°C)		63.75°F
(17.64°C)		0.01°F
(0.00°C)		55th Coolest
Coolest since:
1912
73rd Warmest
Warmest since:
2012
Oct 2018–Sep 2019
12-Month		63.81°F
(17.67°C)		64.01°F
(17.78°C)		-0.20°F
(-0.11°C)		42nd Coolest
Coolest since:
1912
86th Warmest
Warmest since:
2012
Apr 2018–Sep 2019
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: 1956
Oct 2017–Sep 2019
24-Month		64.87°F
(18.26°C)		64.00°F
(17.78°C)		0.87°F
(0.48°C)		101st Coolest
Coolest since:
1913
26th Warmest
Warmest since:
2017
Oct 2016–Sep 2019
36-Month		65.44°F
(18.58°C)		63.98°F
(17.77°C)		1.46°F
(0.81°C)		113th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2018
Oct 2015–Sep 2019
48-Month		65.76°F
(18.76°C)		63.97°F
(17.76°C)		1.79°F
(1.00°C)		123rd Coolest
Coolest since:
1915
2nd Warmest
Warmest since:
2018
Oct 2014–Sep 2019
60-Month		65.70°F
(18.72°C)		63.96°F
(17.76°C)		1.74°F
(0.96°C)		120th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
2016

Citing This Page