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.

Minimum Temperature Rankings, August 2018

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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
61.05°F
(16.14°C)
59.06°F
(15.03°C)
1.99°F
(1.11°C)
114th Coolest
Coolest since:
1950
15th Warmest
Warmest since:
2022
Jul–Aug 2018
2-Month
61.86°F
(16.59°C)
59.80°F
(15.44°C)
2.06°F
(1.15°C)
118th Coolest
Coolest since:
1950
11th Warmest
Warmest since:
2022
Ties: 2010
Jun–Aug 2018
3-Month
60.88°F
(16.04°C)
58.40°F
(14.67°C)
2.48°F
(1.37°C)
126th Coolest
Coolest since:
1915
3rd Warmest
Warmest to Date
2021
May–Aug 2018
4-Month
58.82°F
(14.90°C)
55.67°F
(13.15°C)
3.15°F
(1.75°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
2018
Apr–Aug 2018
5-Month
54.29°F
(12.38°C)
52.25°F
(11.25°C)
2.04°F
(1.13°C)
126th Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
2012
Mar–Aug 2018
6-Month
50.48°F
(10.27°C)
48.54°F
(9.19°C)
1.94°F
(1.08°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2012
Feb–Aug 2018
7-Month
46.75°F
(8.19°C)
44.87°F
(7.15°C)
1.88°F
(1.04°C)
121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2012
Jan–Aug 2018
8-Month
43.55°F
(6.42°C)
41.73°F
(5.41°C)
1.82°F
(1.01°C)
116th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2012
Dec 2017–Aug 2018
9-Month
41.35°F
(5.19°C)
39.61°F
(4.23°C)
1.74°F
(0.96°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2012
Ties: 1992, 1999
Nov 2017–Aug 2018
10-Month
40.60°F
(4.78°C)
38.72°F
(3.73°C)
1.88°F
(1.05°C)
117th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2016
Oct 2017–Aug 2018
11-Month
40.81°F
(4.89°C)
38.96°F
(3.87°C)
1.85°F
(1.02°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2016
Sep 2017–Aug 2018
12-Month
41.89°F
(5.49°C)
40.04°F
(4.47°C)
1.85°F
(1.02°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2016
Mar 2017–Aug 2018
18-Month
44.82°F
(7.12°C)
42.87°F
(6.04°C)
1.95°F
(1.08°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2016
Sep 2016–Aug 2018
24-Month
42.56°F
(5.87°C)
40.04°F
(4.47°C)
2.52°F
(1.40°C)
124th Coolest
Coolest since:
1918
3rd Warmest
Warmest since:
2017
Sep 2015–Aug 2018
36-Month
42.87°F
(6.04°C)
40.02°F
(4.46°C)
2.85°F
(1.58°C)
124th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
2017
Sep 2014–Aug 2018
48-Month
42.64°F
(5.91°C)
40.01°F
(4.45°C)
2.63°F
(1.46°C)
124th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2018
Sep 2013–Aug 2018
60-Month
42.13°F
(5.63°C)
40.00°F
(4.44°C)
2.13°F
(1.19°C)
120th Coolest
Coolest since:
1920
4th Warmest
Warmest to Date
2020

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