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.

Maximum Temperature Rankings, December 1940

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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1940
1-Month
45.66°F
(7.59°C)
42.76°F
(5.98°C)
2.90°F
(1.61°C)
107th Coolest
Coolest since:
1983
21st Warmest
Warmest since:
2021
Ties: 1941
Nov–Dec 1940
2-Month
47.47°F
(8.59°C)
47.73°F
(8.74°C)
-0.26°F
(-0.15°C)
50th Coolest
Coolest since:
2000
78th Warmest
Warmest since:
1999
Ties: 2018
Oct–Dec 1940
3-Month
54.73°F
(12.63°C)
54.09°F
(12.27°C)
0.64°F
(0.36°C)
79th Coolest
Coolest since:
1972
49th Warmest
Warmest since:
1999
Sep–Dec 1940
4-Month
60.58°F
(15.88°C)
60.02°F
(15.57°C)
0.56°F
(0.31°C)
83rd Coolest
Coolest since:
1972
45th Warmest
Warmest since:
2021
Ties: 2008
Aug–Dec 1940
5-Month
65.51°F
(18.62°C)
65.04°F
(18.36°C)
0.47°F
(0.26°C)
83rd Coolest
Coolest since:
1972
45th Warmest
Warmest since:
2021
Jul–Dec 1940
6-Month
69.19°F
(20.66°C)
68.65°F
(20.36°C)
0.54°F
(0.30°C)
88th Coolest
Coolest since:
1972
40th Warmest
Warmest since:
2021
Jun–Dec 1940
7-Month
71.16°F
(21.76°C)
70.46°F
(21.37°C)
0.70°F
(0.39°C)
93rd Coolest
Coolest since:
1972
35th Warmest
Warmest since:
2021
May–Dec 1940
8-Month
71.58°F
(21.99°C)
70.77°F
(21.54°C)
0.81°F
(0.45°C)
94th Coolest
Coolest since:
1972
34th Warmest
Warmest since:
2021
Apr–Dec 1940
9-Month
70.54°F
(21.41°C)
69.96°F
(21.09°C)
0.58°F
(0.32°C)
86th Coolest
Coolest since:
1972
42nd Warmest
Warmest since:
2012
Mar–Dec 1940
10-Month
68.78°F
(20.43°C)
68.27°F
(20.15°C)
0.51°F
(0.28°C)
85th Coolest
Coolest since:
1912
43rd Warmest
Warmest since:
2012
Ties: 1952
Feb–Dec 1940
11-Month
66.47°F
(19.15°C)
66.13°F
(18.96°C)
0.34°F
(0.19°C)
78th Coolest
Coolest since:
1912
50th Warmest
Warmest since:
2012
Jan–Dec 1940
12-Month
63.73°F
(17.63°C)
64.00°F
(17.78°C)
-0.27°F
(-0.15°C)
46th Coolest
Coolest since:
1912
82nd Warmest
Warmest since:
2012
Ties: 1958
Jul 1939–Dec 1940
18-Month
66.26°F
(19.03°C)
65.55°F
(18.64°C)
0.71°F
(0.39°C)
93rd Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2012
Jan 1939–Dec 1940
24-Month
64.82°F
(18.23°C)
64.00°F
(17.78°C)
0.82°F
(0.45°C)
96th Coolest
Coolest since:
1913
31st Warmest
Warmest since:
2017
Jan 1938–Dec 1940
36-Month
64.95°F
(18.31°C)
63.98°F
(17.77°C)
0.97°F
(0.54°C)
100th Coolest
Coolest since:
1905
26th Warmest
Warmest since:
2017
Jan 1937–Dec 1940
48-Month
64.57°F
(18.09°C)
63.97°F
(17.76°C)
0.60°F
(0.33°C)
86th Coolest
Coolest since:
1906
39th Warmest
Warmest since:
2018
Jan 1936–Dec 1940
60-Month
64.58°F
(18.10°C)
63.97°F
(17.76°C)
0.61°F
(0.34°C)
88th Coolest
Coolest since:
1907
36th Warmest
Warmest since:
2016

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