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, July 2018

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
July 2018
1-Month
62.67°F
(17.04°C)
60.54°F
(15.86°C)
2.13°F
(1.18°C)
118th Coolest
Coolest since:
1924
11th Warmest
Warmest since:
2022
Jun–Jul 2018
2-Month
60.80°F
(16.00°C)
58.08°F
(14.49°C)
2.72°F
(1.51°C)
127th Coolest
Coolest since:
1915
2nd Warmest
Warmest to Date
2021
May–Jul 2018
3-Month
58.07°F
(14.48°C)
54.54°F
(12.52°C)
3.53°F
(1.96°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
2018
Apr–Jul 2018
4-Month
52.60°F
(11.44°C)
50.56°F
(10.31°C)
2.04°F
(1.13°C)
125th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
2012
Mar–Jul 2018
5-Month
48.37°F
(9.09°C)
46.44°F
(8.02°C)
1.93°F
(1.07°C)
121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2012
Feb–Jul 2018
6-Month
44.37°F
(6.87°C)
42.50°F
(5.83°C)
1.87°F
(1.04°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2012
Ties: 1987, 2006
Jan–Jul 2018
7-Month
41.05°F
(5.03°C)
39.25°F
(4.03°C)
1.80°F
(1.00°C)
112th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2012
Dec 2017–Jul 2018
8-Month
38.89°F
(3.83°C)
37.18°F
(2.88°C)
1.71°F
(0.95°C)
112th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2012
Nov 2017–Jul 2018
9-Month
38.33°F
(3.52°C)
36.46°F
(2.48°C)
1.87°F
(1.04°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2012
Oct 2017–Jul 2018
10-Month
38.79°F
(3.77°C)
36.96°F
(2.76°C)
1.83°F
(1.01°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2016
Sep 2017–Jul 2018
11-Month
40.15°F
(4.53°C)
38.32°F
(3.51°C)
1.83°F
(1.02°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2016
Aug 2017–Jul 2018
12-Month
41.79°F
(5.44°C)
40.04°F
(4.47°C)
1.75°F
(0.97°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2016
Feb 2017–Jul 2018
18-Month
43.11°F
(6.17°C)
40.86°F
(4.92°C)
2.25°F
(1.25°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2017
Aug 2016–Jul 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
Aug 2015–Jul 2018
36-Month
42.84°F
(6.02°C)
40.02°F
(4.46°C)
2.82°F
(1.56°C)
124th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
2017
Aug 2014–Jul 2018
48-Month
42.62°F
(5.90°C)
40.01°F
(4.45°C)
2.61°F
(1.45°C)
124th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2018
Aug 2013–Jul 2018
60-Month
42.12°F
(5.62°C)
40.00°F
(4.44°C)
2.12°F
(1.18°C)
120th Coolest
Coolest since:
1920
4th Warmest
Warmest to Date
2020

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