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 2015

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2015
1-Month
40.62°F
(4.79°C)
38.61°F
(3.67°C)
2.01°F
(1.12°C)
112th Coolest
Coolest since:
1920
17th Warmest
Warmest since:
1981
Mar–Apr 2015
2-Month
36.82°F
(2.68°C)
34.29°F
(1.27°C)
2.53°F
(1.41°C)
121st Coolest
Coolest since:
1950
8th Warmest
Warmest since:
2012
Feb–Apr 2015
3-Month
31.74°F
(-0.14°C)
30.47°F
(-0.85°C)
1.27°F
(0.71°C)
97th Coolest
Coolest since:
1899
32nd Warmest
Warmest since:
2012
Jan–Apr 2015
4-Month
29.53°F
(-1.37°C)
27.79°F
(-2.34°C)
1.74°F
(0.97°C)
104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2012
Dec 2014–Apr 2015
5-Month
29.28°F
(-1.51°C)
26.77°F
(-2.91°C)
2.51°F
(1.40°C)
118th Coolest
Coolest since:
1899
10th Warmest
Warmest since:
2012
Nov 2014–Apr 2015
6-Month
29.10°F
(-1.61°C)
27.42°F
(-2.54°C)
1.68°F
(0.93°C)
109th Coolest
Coolest since:
1899
19th Warmest
Warmest since:
2017
Ties: 1938, 1981
Oct 2014–Apr 2015
7-Month
31.29°F
(-0.39°C)
29.42°F
(-1.43°C)
1.87°F
(1.04°C)
114th Coolest
Coolest since:
1899
14th Warmest
Warmest since:
2017
Sep 2014–Apr 2015
8-Month
34.15°F
(1.19°C)
32.24°F
(0.13°C)
1.91°F
(1.06°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2016
Aug 2014–Apr 2015
9-Month
37.05°F
(2.81°C)
35.21°F
(1.78°C)
1.84°F
(1.03°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2017
Ties: 2022
Jul 2014–Apr 2015
10-Month
39.42°F
(4.12°C)
37.74°F
(3.19°C)
1.68°F
(0.93°C)
113th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2017
Jun 2014–Apr 2015
11-Month
41.05°F
(5.03°C)
39.37°F
(4.09°C)
1.68°F
(0.94°C)
113th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2017
May 2014–Apr 2015
12-Month
41.67°F
(5.37°C)
40.04°F
(4.47°C)
1.63°F
(0.90°C)
113th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2016
Nov 2013–Apr 2015
18-Month
36.57°F
(2.54°C)
35.82°F
(2.12°C)
0.75°F
(0.42°C)
95th Coolest
Coolest since:
1918
32nd Warmest
Warmest since:
2017
Ties: 1922
May 2013–Apr 2015
24-Month
40.96°F
(4.98°C)
40.03°F
(4.46°C)
0.93°F
(0.52°C)
103rd Coolest
Coolest since:
1918
24th Warmest
Warmest since:
2017
May 2012–Apr 2015
36-Month
41.07°F
(5.04°C)
40.02°F
(4.46°C)
1.05°F
(0.58°C)
104th Coolest
Coolest since:
1918
22nd Warmest
Warmest since:
2017
May 2011–Apr 2015
48-Month
41.49°F
(5.27°C)
40.00°F
(4.44°C)
1.49°F
(0.83°C)
110th Coolest
Coolest since:
1918
15th Warmest
Warmest since:
2019
May 2010–Apr 2015
60-Month
41.40°F
(5.22°C)
40.00°F
(4.44°C)
1.40°F
(0.78°C)
110th Coolest
Coolest since:
1920
14th Warmest
Warmest since:
2020

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