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 1917

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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 1917
1-Month
18.64°F
(-7.42°C)
22.60°F
(-5.22°C)
-3.96°F
(-2.20°C)
13th Coolest
Coolest since:
1909
115th Warmest
Warmest since:
2015
Nov–Dec 1917
2-Month
24.84°F
(-3.98°C)
26.64°F
(-2.98°C)
-1.80°F
(-1.00°C)
16th Coolest
Coolest since:
1976
112th Warmest
Warmest since:
2015
Oct–Dec 1917
3-Month
28.72°F
(-1.82°C)
31.57°F
(-0.24°C)
-2.85°F
(-1.58°C)
4th Coolest
Coolest since:
1976
124th Warmest
Warmest since:
2015
Sep–Dec 1917
4-Month
34.31°F
(1.28°C)
36.64°F
(2.58°C)
-2.33°F
(-1.30°C)
3rd Coolest
Coolest since:
1976
125th Warmest
Warmest since:
2015
Aug–Dec 1917
5-Month
38.96°F
(3.87°C)
41.13°F
(5.07°C)
-2.17°F
(-1.20°C)
3rd Coolest
Coolest since:
1976
125th Warmest
Warmest since:
2015
Jul–Dec 1917
6-Month
42.67°F
(5.93°C)
44.37°F
(6.87°C)
-1.70°F
(-0.94°C)
6th Coolest
Coolest since:
1976
122nd Warmest
Warmest since:
2021
Jun–Dec 1917
7-Month
44.17°F
(6.76°C)
45.98°F
(7.77°C)
-1.81°F
(-1.01°C)
3rd Coolest
Coolest since:
1976
125th Warmest
Warmest since:
2021
May–Dec 1917
8-Month
44.02°F
(6.68°C)
46.15°F
(7.86°C)
-2.13°F
(-1.18°C)
2nd Coolest
Coolest since:
1976
126th Warmest
Warmest since:
2015
Apr–Dec 1917
9-Month
43.22°F
(6.23°C)
45.32°F
(7.40°C)
-2.10°F
(-1.17°C)
1st Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2015
Mar–Dec 1917
10-Month
41.56°F
(5.31°C)
43.78°F
(6.54°C)
-2.22°F
(-1.23°C)
1st Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2015
Feb–Dec 1917
11-Month
39.45°F
(4.14°C)
41.88°F
(5.49°C)
-2.43°F
(-1.35°C)
1st Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2016
Jan–Dec 1917
12-Month
37.62°F
(3.12°C)
40.03°F
(4.46°C)
-2.41°F
(-1.34°C)
1st Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2016
Jul 1916–Dec 1917
18-Month
39.28°F
(4.04°C)
41.49°F
(5.27°C)
-2.21°F
(-1.23°C)
1st Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2016
Jan 1916–Dec 1917
24-Month
38.10°F
(3.39°C)
40.04°F
(4.47°C)
-1.94°F
(-1.08°C)
1st Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2017
Jan 1915–Dec 1917
36-Month
38.68°F
(3.71°C)
40.03°F
(4.46°C)
-1.35°F
(-0.75°C)
2nd Coolest
Coolest since:
1918
124th Warmest
Warmest since:
2017
Jan 1914–Dec 1917
48-Month
38.99°F
(3.88°C)
40.01°F
(4.45°C)
-1.02°F
(-0.57°C)
3rd Coolest
Coolest since:
1919
122nd Warmest
Warmest since:
2018
Jan 1913–Dec 1917
60-Month
39.11°F
(3.95°C)
40.00°F
(4.44°C)
-0.89°F
(-0.49°C)
2nd Coolest
Coolest since:
1920
122nd Warmest
Warmest since:
2019

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