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, December 1918

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 1918
1-Month 		34.45°F
(1.36°C)		 32.68°F
(0.38°C)		 1.77°F
(0.98°C)		 89th Coolest
Coolest since:
 1983
40th Warmest
Warmest since:
 2021
Nov–Dec 1918
2-Month 		37.48°F
(3.04°C)		 37.19°F
(2.88°C)		 0.29°F
(0.16°C)		 60th Coolest
Coolest since:
 2000
69th Warmest
Warmest since:
 2021
Oct–Dec 1918
3-Month 		43.71°F
(6.51°C)		 42.83°F
(6.02°C)		 0.88°F
(0.49°C)		 92nd Coolest
Coolest since:
 1898
37th Warmest
Warmest since:
 2021
Ties: 1940, 1950
Sep–Dec 1918
4-Month 		48.26°F
(9.03°C)		 48.34°F
(9.08°C)		 -0.08°F
(-0.05°C)		 50th Coolest
Coolest since:
 1976
79th Warmest
Warmest since:
 2021
Aug–Dec 1918
5-Month 		53.11°F
(11.73°C)		 53.09°F
(11.72°C)		 0.02°F
(0.01°C)		 59th Coolest
Coolest since:
 1976
70th Warmest
Warmest since:
 2021
Jul–Dec 1918
6-Month 		56.33°F
(13.52°C)		 56.51°F
(13.62°C)		 -0.18°F
(-0.10°C)		 47th Coolest
Coolest since:
 1976
82nd Warmest
Warmest since:
 2021
Jun–Dec 1918
7-Month 		58.45°F
(14.69°C)		 58.22°F
(14.57°C)		 0.23°F
(0.12°C)		 70th Coolest
Coolest since:
 1976
59th Warmest
Warmest since:
 2021
May–Dec 1918
8-Month 		58.74°F
(14.86°C)		 58.47°F
(14.71°C)		 0.27°F
(0.15°C)		 72nd Coolest
Coolest since:
 1976
57th Warmest
Warmest since:
 2021
Apr–Dec 1918
9-Month 		57.66°F
(14.26°C)		 57.64°F
(14.24°C)		 0.02°F
(0.02°C)		 58th Coolest
Coolest since:
 1917
71st Warmest
Warmest since:
 2021
Mar–Dec 1918
10-Month 		56.47°F
(13.59°C)		 56.03°F
(13.35°C)		 0.44°F
(0.24°C)		 80th Coolest
Coolest since:
 1917
49th Warmest
Warmest since:
 2012
Ties: 1980
Feb–Dec 1918
11-Month 		54.41°F
(12.45°C)		 54.01°F
(12.23°C)		 0.40°F
(0.22°C)		 81st Coolest
Coolest since:
 1917
48th Warmest
Warmest since:
 2012
Ties: 1936
Jan–Dec 1918
12-Month 		51.87°F
(11.04°C)		 52.02°F
(11.12°C)		 -0.15°F
(-0.08°C)		 50th Coolest
Coolest since:
 1917
79th Warmest
Warmest since:
 2012
Ties: 1901, 1961
Jul 1917–Dec 1918
18-Month 		53.10°F
(11.72°C)		 53.52°F
(11.96°C)		 -0.42°F
(-0.24°C)		 25th Coolest
Coolest since:
 1917
103rd Warmest
Warmest since:
 2012, 2016
Ties: 1906, 1972
Jan 1917–Dec 1918
24-Month 		50.97°F
(10.54°C)		 52.02°F
(11.12°C)		 -1.05°F
(-0.58°C)		 5th Coolest
Coolest since:
 1917
123rd Warmest
Warmest since:
 2017
Jan 1916–Dec 1918
36-Month 		50.93°F
(10.52°C)		 52.01°F
(11.12°C)		 -1.08°F
(-0.60°C)		 2nd Coolest
Coolest since:
 1917
125th Warmest
Warmest since:
 2017
Ties: 1905
Jan 1915–Dec 1918
48-Month 		51.06°F
(10.59°C)		 52.00°F
(11.11°C)		 -0.94°F
(-0.52°C)		 2nd Coolest
Coolest since:
 1917
124th Warmest
Warmest since:
 2018
Jan 1914–Dec 1918
60-Month 		51.21°F
(10.67°C)		 51.99°F
(11.11°C)		 -0.78°F
(-0.44°C)		 6th Coolest
Coolest since:
 1920
119th Warmest
Warmest since:
 2019, 2020

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