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, July 2017

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
July 2017
1-Month 		88.56°F
(31.42°C)		 86.68°F
(30.38°C)		 1.88°F
(1.04°C)		 113th Coolest
Coolest since:
 1992
16th Warmest
Warmest since:
 1936
Jun–Jul 2017
2-Month 		85.90°F
(29.94°C)		 84.00°F
(28.89°C)		 1.90°F
(1.05°C)		 115th Coolest
Coolest since:
 1915
14th Warmest
Warmest since:
 1936
May–Jul 2017
3-Month 		81.69°F
(27.61°C)		 80.32°F
(26.84°C)		 1.37°F
(0.77°C)		 109th Coolest
Coolest since:
 1907
20th Warmest
Warmest since:
 1934
Apr–Jul 2017
4-Month 		77.74°F
(25.41°C)		 76.12°F
(24.51°C)		 1.62°F
(0.90°C)		 115th Coolest
Coolest since:
 1907
14th Warmest
Warmest since:
 1934
Mar–Jul 2017
5-Month 		73.75°F
(23.19°C)		 71.49°F
(21.94°C)		 2.26°F
(1.25°C)		 121st Coolest
Coolest since:
 1912
8th Warmest
Warmest since:
 2012
Feb–Jul 2017
6-Month 		70.15°F
(21.19°C)		 67.05°F
(19.47°C)		 3.10°F
(1.72°C)		 125th Coolest
Coolest since:
 1912
4th Warmest
Warmest since:
 2012
Jan–Jul 2017
7-Month 		66.24°F
(19.02°C)		 63.25°F
(17.36°C)		 2.99°F
(1.66°C)		 124th Coolest
Coolest since:
 1979
5th Warmest
Warmest since:
 2012
Dec 2016–Jul 2017
8-Month 		63.29°F
(17.38°C)		 60.70°F
(15.94°C)		 2.59°F
(1.44°C)		 122nd Coolest
Coolest since:
 1979
6th Warmest
Warmest since:
 2012
Nov 2016–Jul 2017
9-Month 		62.88°F
(17.16°C)		 59.82°F
(15.46°C)		 3.06°F
(1.70°C)		 122nd Coolest
Coolest since:
 1912
6th Warmest
Warmest since:
 2012
Oct 2016–Jul 2017
10-Month 		63.58°F
(17.54°C)		 60.52°F
(15.84°C)		 3.06°F
(1.70°C)		 124th Coolest
Coolest since:
 1912
4th Warmest
Warmest since:
 2012
Sep 2016–Jul 2017
11-Month 		65.01°F
(18.34°C)		 62.08°F
(16.71°C)		 2.93°F
(1.63°C)		 122nd Coolest
Coolest since:
 1912
6th Warmest
Warmest since:
 2012
Aug 2016–Jul 2017
12-Month 		66.75°F
(19.31°C)		 64.01°F
(17.78°C)		 2.74°F
(1.53°C)		 122nd Coolest
Coolest since:
 1912
6th Warmest
Warmest since:
 2012
Feb 2016–Jul 2017
18-Month 		67.90°F
(19.94°C)		 65.01°F
(18.34°C)		 2.89°F
(1.60°C)		 127th Coolest
Coolest since:
 1979
1st Warmest
Warmest to Date
 2017
Aug 2015–Jul 2017
24-Month 		66.81°F
(19.34°C)		 63.99°F
(17.77°C)		 2.82°F
(1.57°C)		 126th Coolest
Coolest since:
 1913
1st Warmest
Warmest to Date
 2017
Aug 2014–Jul 2017
36-Month 		66.23°F
(19.02°C)		 63.97°F
(17.76°C)		 2.26°F
(1.26°C)		 124th Coolest
Coolest since:
 1905
2nd Warmest
Warmest to Date
 2018
Aug 2013–Jul 2017
48-Month 		65.68°F
(18.71°C)		 63.96°F
(17.76°C)		 1.72°F
(0.95°C)		 121st Coolest
Coolest since:
 1915
4th Warmest
Warmest since:
 2018
Aug 2012–Jul 2017
60-Month 		65.57°F
(18.65°C)		 63.96°F
(17.76°C)		 1.61°F
(0.89°C)		 119th Coolest
Coolest since:
 1907
5th Warmest
Warmest since:
 2016

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