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 1987

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1987
1-Month		34.54°F
(1.41°C)		32.68°F
(0.38°C)		1.86°F
(1.03°C)		93rd Coolest
Coolest since:
1983
36th Warmest
Warmest since:
2021
Ties: 1984
Nov–Dec 1987
2-Month		39.26°F
(4.03°C)		37.19°F
(2.88°C)		2.07°F
(1.15°C)		109th Coolest
Coolest since:
2000
20th Warmest
Warmest since:
2021
Oct–Dec 1987
3-Month		43.82°F
(6.57°C)		42.83°F
(6.02°C)		0.99°F
(0.55°C)		95th Coolest
Coolest since:
1898
34th Warmest
Warmest since:
2021
Sep–Dec 1987
4-Month		49.18°F
(9.54°C)		48.34°F
(9.08°C)		0.84°F
(0.46°C)		90th Coolest
Coolest since:
1976
39th Warmest
Warmest since:
2021
Aug–Dec 1987
5-Month		53.72°F
(12.07°C)		53.09°F
(11.72°C)		0.63°F
(0.35°C)		85th Coolest
Coolest since:
1976
44th Warmest
Warmest since:
2021
Ties: 1940, 2002
Jul–Dec 1987
6-Month		56.98°F
(13.88°C)		56.51°F
(13.62°C)		0.47°F
(0.26°C)		82nd Coolest
Coolest since:
1976
47th Warmest
Warmest since:
2021
Jun–Dec 1987
7-Month		58.87°F
(14.93°C)		58.22°F
(14.57°C)		0.65°F
(0.36°C)		89th Coolest
Coolest since:
1976
40th Warmest
Warmest since:
2021
May–Dec 1987
8-Month		59.38°F
(15.21°C)		58.47°F
(14.71°C)		0.91°F
(0.50°C)		100th Coolest
Coolest since:
1976
29th Warmest
Warmest since:
2021
Apr–Dec 1987
9-Month		58.73°F
(14.85°C)		57.64°F
(14.24°C)		1.09°F
(0.61°C)		105th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2021
Mar–Dec 1987
10-Month		57.12°F
(13.96°C)		56.03°F
(13.35°C)		1.09°F
(0.61°C)		102nd Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2012
Feb–Dec 1987
11-Month		55.32°F
(12.96°C)		54.01°F
(12.23°C)		1.31°F
(0.73°C)		110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2012
Ties: 2011
Jan–Dec 1987
12-Month		53.33°F
(11.85°C)		52.02°F
(11.12°C)		1.31°F
(0.73°C)		109th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2012
Ties: 1954
Jul 1986–Dec 1987
18-Month		54.38°F
(12.43°C)		53.52°F
(11.96°C)		0.86°F
(0.47°C)		98th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
2012, 2016
Jan 1986–Dec 1987
24-Month		53.33°F
(11.85°C)		52.02°F
(11.12°C)		1.31°F
(0.73°C)		108th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2017
Jan 1985–Dec 1987
36-Month		52.65°F
(11.47°C)		52.01°F
(11.12°C)		0.64°F
(0.35°C)		90th Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2017
Jan 1984–Dec 1987
48-Month		52.48°F
(11.38°C)		52.00°F
(11.11°C)		0.48°F
(0.27°C)		85th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2018
Jan 1983–Dec 1987
60-Month		52.36°F
(11.31°C)		51.99°F
(11.11°C)		0.37°F
(0.20°C)		80th Coolest
Coolest since:
1920
45th Warmest
Warmest since:
2019, 2020
Ties: 1955

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