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 1917

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1917
1-Month		29.64°F
(-1.31°C)		32.68°F
(0.38°C)		-3.04°F
(-1.69°C)		15th Coolest
Coolest since:
1983
114th Warmest
Warmest since:
2021
Ties: 2009
Nov–Dec 1917
2-Month		36.59°F
(2.55°C)		37.19°F
(2.88°C)		-0.60°F
(-0.33°C)		39th Coolest
Coolest since:
2000
90th Warmest
Warmest since:
2021
Oct–Dec 1917
3-Month		41.20°F
(5.11°C)		42.83°F
(6.02°C)		-1.63°F
(-0.91°C)		15th Coolest
Coolest since:
1898
114th Warmest
Warmest since:
2021
Sep–Dec 1917
4-Month		46.92°F
(8.29°C)		48.34°F
(9.08°C)		-1.42°F
(-0.79°C)		12th Coolest
Coolest since:
1976
117th Warmest
Warmest since:
2021
Aug–Dec 1917
5-Month		51.74°F
(10.97°C)		53.09°F
(11.72°C)		-1.35°F
(-0.75°C)		8th Coolest
Coolest since:
1976
121st Warmest
Warmest since:
2021
Jul–Dec 1917
6-Month		55.55°F
(13.08°C)		56.51°F
(13.62°C)		-0.96°F
(-0.54°C)		14th Coolest
Coolest since:
1976
115th Warmest
Warmest since:
2021
Jun–Dec 1917
7-Month		57.18°F
(13.99°C)		58.22°F
(14.57°C)		-1.04°F
(-0.58°C)		11th Coolest
Coolest since:
1976
118th Warmest
Warmest since:
2021
Ties: 1924
May–Dec 1917
8-Month		56.93°F
(13.85°C)		58.47°F
(14.71°C)		-1.54°F
(-0.86°C)		2nd Coolest
Coolest to Date
1976
127th Warmest
Warmest since:
2021
Apr–Dec 1917
9-Month		56.00°F
(13.33°C)		57.64°F
(14.24°C)		-1.64°F
(-0.91°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
2021
Mar–Dec 1917
10-Month		54.24°F
(12.36°C)		56.03°F
(13.35°C)		-1.79°F
(-0.99°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
2012
Feb–Dec 1917
11-Month		52.04°F
(11.13°C)		54.01°F
(12.23°C)		-1.97°F
(-1.10°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
2012
Jan–Dec 1917
12-Month		50.06°F
(10.03°C)		52.02°F
(11.12°C)		-1.96°F
(-1.09°C)		1st Coolest
Coolest to Date
1917
128th Warmest
Warmest since:
2012
Jul 1916–Dec 1917
18-Month		51.76°F
(10.98°C)		53.52°F
(11.96°C)		-1.76°F
(-0.98°C)		1st Coolest
Coolest to Date
1917
127th Warmest
Warmest since:
2012, 2016
Jan 1916–Dec 1917
24-Month		50.46°F
(10.26°C)		52.02°F
(11.12°C)		-1.56°F
(-0.86°C)		1st Coolest
Coolest to Date
1917
127th Warmest
Warmest since:
2017
Jan 1915–Dec 1917
36-Month		50.79°F
(10.44°C)		52.01°F
(11.12°C)		-1.22°F
(-0.68°C)		1st Coolest
Coolest to Date
1917
126th Warmest
Warmest since:
2017
Jan 1914–Dec 1917
48-Month		51.05°F
(10.58°C)		52.00°F
(11.11°C)		-0.95°F
(-0.53°C)		1st Coolest
Coolest to Date
1917
125th Warmest
Warmest since:
2018
Jan 1913–Dec 1917
60-Month		51.15°F
(10.64°C)		51.99°F
(11.11°C)		-0.84°F
(-0.47°C)		2nd Coolest
Coolest to Date
1920
123rd Warmest
Warmest since:
2019, 2020
Ties: 1919

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