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.

Minimum Temperature Rankings, December 1918

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1918
1-Month
25.16°F
(-3.80°C)
22.60°F
(-5.22°C)
2.56°F
(1.42°C)
100th Coolest
Coolest since:
1909
28th Warmest
Warmest since:
2015
Nov–Dec 1918
2-Month
27.80°F
(-2.33°C)
26.64°F
(-2.98°C)
1.16°F
(0.65°C)
86th Coolest
Coolest since:
1976
42nd Warmest
Warmest since:
2015
Ties: 1953
Oct–Dec 1918
3-Month
33.40°F
(0.78°C)
31.57°F
(-0.24°C)
1.83°F
(1.02°C)
111th Coolest
Coolest since:
1976
17th Warmest
Warmest to Date
2015
Sep–Dec 1918
4-Month
37.24°F
(2.91°C)
36.65°F
(2.58°C)
0.59°F
(0.33°C)
79th Coolest
Coolest since:
1976
49th Warmest
Warmest since:
2015
Aug–Dec 1918
5-Month
41.63°F
(5.35°C)
41.12°F
(5.07°C)
0.51°F
(0.28°C)
77th Coolest
Coolest since:
1976
51st Warmest
Warmest since:
2015
Jul–Dec 1918
6-Month
44.54°F
(6.97°C)
44.36°F
(6.87°C)
0.18°F
(0.10°C)
62nd Coolest
Coolest since:
1976
66th Warmest
Warmest since:
2021
Ties: 1996
Jun–Dec 1918
7-Month
46.41°F
(8.01°C)
45.97°F
(7.76°C)
0.44°F
(0.25°C)
75th Coolest
Coolest since:
1976
53rd Warmest
Warmest since:
2021
Ties: 1938
May–Dec 1918
8-Month
46.58°F
(8.10°C)
46.15°F
(7.86°C)
0.43°F
(0.24°C)
81st Coolest
Coolest since:
1976
47th Warmest
Warmest since:
2015
Ties: 1959, 1984
Apr–Dec 1918
9-Month
45.49°F
(7.49°C)
45.32°F
(7.40°C)
0.17°F
(0.09°C)
64th Coolest
Coolest since:
1917
64th Warmest
Warmest since:
2015
Mar–Dec 1918
10-Month
44.26°F
(6.81°C)
43.79°F
(6.55°C)
0.47°F
(0.26°C)
85th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2015
Feb–Dec 1918
11-Month
42.21°F
(5.67°C)
41.88°F
(5.49°C)
0.33°F
(0.18°C)
79th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2016
Ties: 1983
Jan–Dec 1918
12-Month
39.80°F
(4.33°C)
40.03°F
(4.46°C)
-0.23°F
(-0.13°C)
44th Coolest
Coolest since:
1917
84th Warmest
Warmest since:
2016
Ties: 1945
Jul 1917–Dec 1918
18-Month
40.76°F
(4.87°C)
41.49°F
(5.27°C)
-0.73°F
(-0.40°C)
12th Coolest
Coolest since:
1917
115th Warmest
Warmest since:
2016
Jan 1917–Dec 1918
24-Month
38.71°F
(3.73°C)
40.03°F
(4.46°C)
-1.32°F
(-0.73°C)
2nd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2017
Jan 1916–Dec 1918
36-Month
38.67°F
(3.71°C)
40.03°F
(4.46°C)
-1.36°F
(-0.75°C)
1st Coolest
Coolest since:
1918
125th Warmest
Warmest since:
2017
Jan 1915–Dec 1918
48-Month
38.96°F
(3.87°C)
40.01°F
(4.45°C)
-1.05°F
(-0.58°C)
2nd Coolest
Coolest since:
1919
123rd Warmest
Warmest since:
2018
Jan 1914–Dec 1918
60-Month
39.15°F
(3.97°C)
40.00°F
(4.44°C)
-0.85°F
(-0.47°C)
4th Coolest
Coolest since:
1920
120th Warmest
Warmest since:
2019

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