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 1977

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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2021)		 Warmest/Coolest
Since		 Record
December 1977
1-Month 		33.28°F
(0.71°C)		 32.68°F
(0.38°C)		 0.60°F
(0.33°C)		 64th Coolest
Coolest since:
 1983
64th Warmest
Warmest since:
 2021
Nov–Dec 1977
2-Month 		38.07°F
(3.37°C)		 37.18°F
(2.88°C)		 0.89°F
(0.49°C)		 84th Coolest
Coolest since:
 2000
44th Warmest
Warmest since:
 2021
Ties: 1942
Oct–Dec 1977
3-Month 		43.38°F
(6.32°C)		 42.83°F
(6.02°C)		 0.55°F
(0.30°C)		 78th Coolest
Coolest since:
 1898
50th Warmest
Warmest since:
 2021
Sep–Dec 1977
4-Month 		49.02°F
(9.46°C)		 48.34°F
(9.08°C)		 0.68°F
(0.38°C)		 84th Coolest
Coolest since:
 1976
44th Warmest
Warmest since:
 2021
Aug–Dec 1977
5-Month 		53.57°F
(11.98°C)		 53.09°F
(11.72°C)		 0.48°F
(0.26°C)		 79th Coolest
Coolest since:
 1976
49th Warmest
Warmest since:
 2021
Jul–Dec 1977
6-Month 		57.04°F
(13.91°C)		 56.50°F
(13.61°C)		 0.54°F
(0.30°C)		 83rd Coolest
Coolest since:
 1976
45th Warmest
Warmest since:
 2021
Jun–Dec 1977
7-Month 		58.94°F
(14.97°C)		 58.22°F
(14.57°C)		 0.72°F
(0.40°C)		 92nd Coolest
Coolest since:
 1976
36th Warmest
Warmest since:
 2021
Ties: 1941
May–Dec 1977
8-Month 		59.28°F
(15.16°C)		 58.46°F
(14.70°C)		 0.82°F
(0.46°C)		 94th Coolest
Coolest since:
 1976
34th Warmest
Warmest since:
 2021
Apr–Dec 1977
9-Month 		58.70°F
(14.83°C)		 57.64°F
(14.24°C)		 1.06°F
(0.59°C)		 103rd Coolest
Coolest since:
 1917
25th Warmest
Warmest since:
 2021
Mar–Dec 1977
10-Month 		57.15°F
(13.97°C)		 56.03°F
(13.35°C)		 1.12°F
(0.62°C)		 104th Coolest
Coolest since:
 1917
24th Warmest
Warmest since:
 2012
Ties: 1931
Feb–Dec 1977
11-Month 		55.23°F
(12.91°C)		 54.01°F
(12.23°C)		 1.22°F
(0.68°C)		 107th Coolest
Coolest since:
 1917
21st Warmest
Warmest since:
 2012
Jan–Dec 1977
12-Month 		52.55°F
(11.42°C)		 52.02°F
(11.12°C)		 0.53°F
(0.30°C)		 87th Coolest
Coolest since:
 1917
41st Warmest
Warmest since:
 2012
Jul 1976–Dec 1977
18-Month 		53.21°F
(11.78°C)		 53.52°F
(11.96°C)		 -0.31°F
(-0.18°C)		 36th Coolest
Coolest since:
 1917
91st Warmest
Warmest since:
 2012, 2016
Ties: 1982
Jan 1976–Dec 1977
24-Month 		52.01°F
(11.12°C)		 52.02°F
(11.12°C)		 -0.01°F
(0.00°C)		 61st Coolest
Coolest since:
 1917
66th Warmest
Warmest since:
 2017
Jan 1975–Dec 1977
36-Month 		51.84°F
(11.02°C)		 52.01°F
(11.12°C)		 -0.17°F
(-0.10°C)		 46th Coolest
Coolest since:
 1917
80th Warmest
Warmest since:
 2017
Jan 1974–Dec 1977
48-Month 		51.95°F
(11.08°C)		 52.00°F
(11.11°C)		 -0.05°F
(-0.03°C)		 55th Coolest
Coolest since:
 1917
70th Warmest
Warmest since:
 2018
Jan 1973–Dec 1977
60-Month 		52.02°F
(11.12°C)		 51.99°F
(11.11°C)		 0.03°F
(0.01°C)		 60th Coolest
Coolest since:
 1920
64th Warmest
Warmest since:
 2019, 2020
Ties: 1923, 1959

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