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 2018

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 2018
1-Month
85.95°F
(29.97°C)
85.14°F
(29.52°C)
0.81°F
(0.45°C)
91st Coolest
Coolest since:
1927
38th Warmest
Warmest since:
2011
Ties: 2002, 2005
Jul–Aug 2018
2-Month
87.09°F
(30.61°C)
85.91°F
(29.95°C)
1.18°F
(0.66°C)
102nd Coolest
Coolest since:
1992
27th Warmest
Warmest since:
1936
Jun–Aug 2018
3-Month
86.11°F
(30.06°C)
84.38°F
(29.10°C)
1.73°F
(0.96°C)
115th Coolest
Coolest since:
1915
14th Warmest
Warmest since:
1936
May–Aug 2018
4-Month
84.18°F
(28.99°C)
81.52°F
(27.51°C)
2.66°F
(1.48°C)
125th Coolest
Coolest since:
1915
4th Warmest
Warmest since:
1934
Apr–Aug 2018
5-Month
79.72°F
(26.51°C)
77.92°F
(25.51°C)
1.80°F
(1.00°C)
123rd Coolest
Coolest since:
1907
6th Warmest
Warmest since:
1934
Mar–Aug 2018
6-Month
75.43°F
(24.13°C)
73.77°F
(23.21°C)
1.66°F
(0.92°C)
114th Coolest
Coolest since:
1912
15th Warmest
Warmest since:
2012
Feb–Aug 2018
7-Month
71.32°F
(21.84°C)
69.63°F
(20.91°C)
1.69°F
(0.93°C)
115th Coolest
Coolest since:
1912
14th Warmest
Warmest since:
2012
Jan–Aug 2018
8-Month
67.80°F
(19.89°C)
65.99°F
(18.88°C)
1.81°F
(1.01°C)
116th Coolest
Coolest since:
1912
13th Warmest
Warmest since:
2012
Dec 2017–Aug 2018
9-Month
65.25°F
(18.47°C)
63.42°F
(17.46°C)
1.83°F
(1.01°C)
117th Coolest
Coolest since:
1979
11th Warmest
Warmest since:
2012
Nov 2017–Aug 2018
10-Month
64.34°F
(17.97°C)
62.35°F
(16.86°C)
1.99°F
(1.11°C)
117th Coolest
Coolest since:
1912
11th Warmest
Warmest since:
2012
Oct 2017–Aug 2018
11-Month
64.72°F
(18.18°C)
62.76°F
(17.09°C)
1.96°F
(1.09°C)
119th Coolest
Coolest since:
1912
9th Warmest
Warmest since:
2012
Sep 2017–Aug 2018
12-Month
65.89°F
(18.83°C)
64.01°F
(17.78°C)
1.88°F
(1.05°C)
118th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
2012
Ties: 2021
Mar 2017–Aug 2018
18-Month
69.09°F
(20.61°C)
67.25°F
(19.58°C)
1.84°F
(1.03°C)
117th Coolest
Coolest since:
1899
11th Warmest
Warmest since:
2012
Sep 2016–Aug 2018
24-Month
66.25°F
(19.03°C)
63.99°F
(17.77°C)
2.26°F
(1.26°C)
121st Coolest
Coolest since:
1913
6th Warmest
Warmest since:
2017
Sep 2015–Aug 2018
36-Month
66.46°F
(19.14°C)
63.98°F
(17.77°C)
2.48°F
(1.37°C)
125th Coolest
Coolest since:
1905
1st Warmest
Warmest to Date
2018
Sep 2014–Aug 2018
48-Month
66.15°F
(18.97°C)
63.97°F
(17.76°C)
2.18°F
(1.21°C)
124th Coolest
Coolest since:
1915
1st Warmest
Warmest to Date
2018
Sep 2013–Aug 2018
60-Month
65.71°F
(18.73°C)
63.97°F
(17.76°C)
1.74°F
(0.97°C)
121st Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
2020

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