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, April 2018

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  • Record Coolest
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  • Bottom 1/3
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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
April 2018
1-Month
36.19°F
(2.33°C)
38.61°F
(3.67°C)
-2.42°F
(-1.34°C)
8th Coolest
Coolest since:
1920
121st Warmest
Warmest since:
1981
Mar–Apr 2018
2-Month
33.82°F
(1.01°C)
34.30°F
(1.28°C)
-0.48°F
(-0.27°C)
43rd Coolest
Coolest since:
1950
86th Warmest
Warmest since:
2012
Feb–Apr 2018
3-Month
30.67°F
(-0.74°C)
30.48°F
(-0.84°C)
0.19°F
(0.10°C)
71st Coolest
Coolest since:
1899
58th Warmest
Warmest since:
2012
Jan–Apr 2018
4-Month
28.29°F
(-2.06°C)
27.79°F
(-2.34°C)
0.50°F
(0.28°C)
77th Coolest
Coolest since:
1912
52nd Warmest
Warmest since:
2012
Dec 2017–Apr 2018
5-Month
27.38°F
(-2.57°C)
26.76°F
(-2.91°C)
0.62°F
(0.34°C)
81st Coolest
Coolest since:
1899
47th Warmest
Warmest since:
2012
Nov 2017–Apr 2018
6-Month
28.46°F
(-1.97°C)
27.42°F
(-2.54°C)
1.04°F
(0.57°C)
93rd Coolest
Coolest since:
1899
35th Warmest
Warmest since:
2017
Oct 2017–Apr 2018
7-Month
30.53°F
(-0.82°C)
29.42°F
(-1.43°C)
1.11°F
(0.61°C)
96th Coolest
Coolest since:
1899
32nd Warmest
Warmest since:
2017
Sep 2017–Apr 2018
8-Month
33.43°F
(0.79°C)
32.23°F
(0.13°C)
1.20°F
(0.66°C)
100th Coolest
Coolest since:
1917
28th Warmest
Warmest since:
2016
Aug 2017–Apr 2018
9-Month
36.36°F
(2.42°C)
35.22°F
(1.79°C)
1.14°F
(0.63°C)
100th Coolest
Coolest since:
1917
28th Warmest
Warmest since:
2017
Ties: 1981
Jul 2017–Apr 2018
10-Month
39.01°F
(3.89°C)
37.75°F
(3.19°C)
1.26°F
(0.70°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2017
Ties: 2003
Jun 2017–Apr 2018
11-Month
40.68°F
(4.82°C)
39.37°F
(4.09°C)
1.31°F
(0.73°C)
106th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2017
May 2017–Apr 2018
12-Month
41.28°F
(5.16°C)
40.04°F
(4.47°C)
1.24°F
(0.69°C)
106th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2016
Ties: 1938
Nov 2016–Apr 2018
18-Month
38.10°F
(3.39°C)
35.83°F
(2.13°C)
2.27°F
(1.26°C)
123rd Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2017
May 2016–Apr 2018
24-Month
42.36°F
(5.76°C)
40.04°F
(4.47°C)
2.32°F
(1.29°C)
124th Coolest
Coolest since:
1918
3rd Warmest
Warmest since:
2017
May 2015–Apr 2018
36-Month
42.72°F
(5.96°C)
40.01°F
(4.45°C)
2.71°F
(1.51°C)
124th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
2017
May 2014–Apr 2018
48-Month
42.46°F
(5.81°C)
40.01°F
(4.45°C)
2.45°F
(1.36°C)
123rd Coolest
Coolest since:
1918
2nd Warmest
Warmest to Date
2019
May 2013–Apr 2018
60-Month
42.02°F
(5.57°C)
40.00°F
(4.44°C)
2.02°F
(1.13°C)
120th Coolest
Coolest since:
1920
4th Warmest
Warmest since:
2020
Ties: 2017

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