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, August 2017

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 2017
1-Month
84.27°F
(29.04°C)
85.14°F
(29.52°C)
-0.87°F
(-0.48°C)
30th Coolest
Coolest since:
1927
99th Warmest
Warmest since:
2011
Jul–Aug 2017
2-Month
86.42°F
(30.23°C)
85.91°F
(29.95°C)
0.51°F
(0.28°C)
84th Coolest
Coolest since:
1992
45th Warmest
Warmest since:
1936
Jun–Aug 2017
3-Month
85.36°F
(29.64°C)
84.39°F
(29.11°C)
0.97°F
(0.53°C)
101st Coolest
Coolest since:
1915
28th Warmest
Warmest since:
1936
Ties: 1959
May–Aug 2017
4-Month
82.34°F
(27.97°C)
81.53°F
(27.52°C)
0.81°F
(0.45°C)
98th Coolest
Coolest since:
1915
31st Warmest
Warmest since:
1934
Apr–Aug 2017
5-Month
79.04°F
(26.13°C)
77.91°F
(25.51°C)
1.13°F
(0.62°C)
106th Coolest
Coolest since:
1907
23rd Warmest
Warmest since:
1934
Mar–Aug 2017
6-Month
75.50°F
(24.17°C)
73.76°F
(23.20°C)
1.74°F
(0.97°C)
115th Coolest
Coolest since:
1912
14th Warmest
Warmest since:
2012
Feb–Aug 2017
7-Month
72.17°F
(22.32°C)
69.64°F
(20.91°C)
2.53°F
(1.41°C)
124th Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2012
Jan–Aug 2017
8-Month
68.49°F
(20.27°C)
65.99°F
(18.88°C)
2.50°F
(1.39°C)
123rd Coolest
Coolest since:
1912
6th Warmest
Warmest since:
2012
Dec 2016–Aug 2017
9-Month
65.62°F
(18.68°C)
63.41°F
(17.45°C)
2.21°F
(1.23°C)
120th Coolest
Coolest since:
1979
8th Warmest
Warmest since:
2012
Nov 2016–Aug 2017
10-Month
65.02°F
(18.34°C)
62.35°F
(16.86°C)
2.67°F
(1.48°C)
121st Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2012
Oct 2016–Aug 2017
11-Month
65.46°F
(18.59°C)
62.76°F
(17.09°C)
2.70°F
(1.50°C)
122nd Coolest
Coolest since:
1912
6th Warmest
Warmest since:
2012
Sep 2016–Aug 2017
12-Month
66.62°F
(19.23°C)
64.01°F
(17.78°C)
2.61°F
(1.45°C)
121st Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2012
Mar 2016–Aug 2017
18-Month
69.76°F
(20.98°C)
67.26°F
(19.59°C)
2.50°F
(1.39°C)
126th Coolest
Coolest since:
1899
2nd Warmest
Warmest since:
2012
Sep 2015–Aug 2017
24-Month
66.75°F
(19.31°C)
64.00°F
(17.78°C)
2.75°F
(1.53°C)
126th Coolest
Coolest since:
1913
1st Warmest
Warmest to Date
2017
Sep 2014–Aug 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
Sep 2013–Aug 2017
48-Month
65.66°F
(18.70°C)
63.97°F
(17.76°C)
1.69°F
(0.94°C)
121st Coolest
Coolest since:
1915
4th Warmest
Warmest since:
2018
Sep 2012–Aug 2017
60-Month
65.51°F
(18.62°C)
63.96°F
(17.76°C)
1.55°F
(0.86°C)
115th Coolest
Coolest since:
1907
9th Warmest
Warmest since:
2020

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