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.

Average Temperature Rankings, April 2018

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
April 2018
1-Month 		49.03°F
(9.46°C)		 51.05°F
(10.58°C)		 -2.02°F
(-1.12°C)		 15th Coolest
Coolest since:
 1920
114th Warmest
Warmest since:
 2006
Ties: 1918
Mar–Apr 2018
2-Month 		45.88°F
(7.71°C)		 46.28°F
(7.93°C)		 -0.40°F
(-0.22°C)		 46th Coolest
Coolest since:
 1975
83rd Warmest
Warmest since:
 2012
Ties: 1940
Feb–Apr 2018
3-Month 		42.42°F
(5.79°C)		 42.12°F
(5.62°C)		 0.30°F
(0.17°C)		 69th Coolest
Coolest since:
 1899
60th Warmest
Warmest since:
 2012
Jan–Apr 2018
4-Month 		39.86°F
(4.37°C)		 39.12°F
(3.96°C)		 0.74°F
(0.41°C)		 86th Coolest
Coolest since:
 1912
43rd Warmest
Warmest since:
 2012
Dec 2017–Apr 2018
5-Month 		38.74°F
(3.74°C)		 37.85°F
(3.25°C)		 0.89°F
(0.49°C)		 91st Coolest
Coolest since:
 1979
37th Warmest
Warmest since:
 2012
Nov 2017–Apr 2018
6-Month 		39.79°F
(4.33°C)		 38.49°F
(3.61°C)		 1.30°F
(0.72°C)		 102nd Coolest
Coolest since:
 1899
26th Warmest
Warmest since:
 2012
Ties: 1946
Oct 2017–Apr 2018
7-Month 		42.06°F
(5.59°C)		 40.73°F
(4.85°C)		 1.33°F
(0.74°C)		 101st Coolest
Coolest since:
 1899
27th Warmest
Warmest since:
 2017
Ties: 1974
Sep 2017–Apr 2018
8-Month 		45.09°F
(7.27°C)		 43.74°F
(6.52°C)		 1.35°F
(0.75°C)		 106th Coolest
Coolest since:
 1899
22nd Warmest
Warmest since:
 2016
Aug 2017–Apr 2018
9-Month 		48.08°F
(8.93°C)		 46.89°F
(8.27°C)		 1.19°F
(0.66°C)		 107th Coolest
Coolest since:
 1899
21st Warmest
Warmest since:
 2016
Jul 2017–Apr 2018
10-Month 		50.84°F
(10.47°C)		 49.56°F
(9.76°C)		 1.28°F
(0.71°C)		 109th Coolest
Coolest since:
 1899
19th Warmest
Warmest since:
 2012
Jun 2017–Apr 2018
11-Month 		52.62°F
(11.46°C)		 51.29°F
(10.72°C)		 1.33°F
(0.74°C)		 109th Coolest
Coolest since:
 1917
19th Warmest
Warmest since:
 2017
Ties: 1932, 2013
May 2017–Apr 2018
12-Month 		53.28°F
(11.82°C)		 52.03°F
(11.13°C)		 1.25°F
(0.69°C)		 107th Coolest
Coolest since:
 1917
21st Warmest
Warmest since:
 2017
Nov 2016–Apr 2018
18-Month 		49.72°F
(9.84°C)		 47.50°F
(8.61°C)		 2.22°F
(1.23°C)		 121st Coolest
Coolest since:
 1913, 1918
6th Warmest
Warmest since:
 2017
May 2016–Apr 2018
24-Month 		54.19°F
(12.33°C)		 52.02°F
(11.12°C)		 2.17°F
(1.21°C)		 122nd Coolest
Coolest since:
 1918
5th Warmest
Warmest since:
 2017
May 2015–Apr 2018
36-Month 		54.48°F
(12.49°C)		 52.00°F
(11.11°C)		 2.48°F
(1.38°C)		 124th Coolest
Coolest since:
 1918
2nd Warmest
Warmest since:
 2017
May 2014–Apr 2018
48-Month 		54.20°F
(12.33°C)		 51.99°F
(11.11°C)		 2.21°F
(1.22°C)		 124th Coolest
Coolest since:
 1918
1st Warmest
Warmest to Date
 2018, 2019
Ties: 2019
May 2013–Apr 2018
60-Month 		53.80°F
(12.11°C)		 51.98°F
(11.10°C)		 1.82°F
(1.01°C)		 118th Coolest
Coolest since:
 1920
6th Warmest
Warmest since:
 2020

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