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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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • 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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