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 1908

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 1908
1-Month 		23.23°F
(-4.87°C)		 22.60°F
(-5.22°C)		 0.63°F
(0.35°C)		 64th Coolest
Coolest since:
 1909
65th Warmest
Warmest since:
 2015
Nov–Dec 1908
2-Month 		26.92°F
(-2.82°C)		 26.64°F
(-2.98°C)		 0.28°F
(0.16°C)		 61st Coolest
Coolest since:
 1976
68th Warmest
Warmest since:
 2015
Oct–Dec 1908
3-Month 		30.96°F
(-0.58°C)		 31.56°F
(-0.24°C)		 -0.60°F
(-0.34°C)		 30th Coolest
Coolest since:
 1976
99th Warmest
Warmest since:
 2015
Ties: 1897, 1904, 2013
Sep–Dec 1908
4-Month 		36.14°F
(2.30°C)		 36.65°F
(2.58°C)		 -0.51°F
(-0.28°C)		 33rd Coolest
Coolest since:
 1976
96th Warmest
Warmest since:
 2015
Aug–Dec 1908
5-Month 		40.50°F
(4.72°C)		 41.13°F
(5.07°C)		 -0.63°F
(-0.35°C)		 27th Coolest
Coolest since:
 1976
102nd Warmest
Warmest since:
 2015
Jul–Dec 1908
6-Month 		43.78°F
(6.54°C)		 44.36°F
(6.87°C)		 -0.58°F
(-0.33°C)		 26th Coolest
Coolest since:
 1976
103rd Warmest
Warmest since:
 2021
Jun–Dec 1908
7-Month 		45.28°F
(7.38°C)		 45.97°F
(7.76°C)		 -0.69°F
(-0.38°C)		 17th Coolest
Coolest since:
 1976
112th Warmest
Warmest since:
 2021
May–Dec 1908
8-Month 		45.45°F
(7.47°C)		 46.16°F
(7.87°C)		 -0.71°F
(-0.40°C)		 19th Coolest
Coolest since:
 1976
110th Warmest
Warmest since:
 2015
Apr–Dec 1908
9-Month 		44.82°F
(7.12°C)		 45.32°F
(7.40°C)		 -0.50°F
(-0.28°C)		 23rd Coolest
Coolest since:
 1917
106th Warmest
Warmest since:
 2015
Mar–Dec 1908
10-Month 		43.54°F
(6.41°C)		 43.79°F
(6.55°C)		 -0.25°F
(-0.14°C)		 41st Coolest
Coolest since:
 1917
88th Warmest
Warmest since:
 2015
Ties: 1911, 1935
Feb–Dec 1908
11-Month 		41.63°F
(5.35°C)		 41.88°F
(5.49°C)		 -0.25°F
(-0.14°C)		 45th Coolest
Coolest since:
 1917
84th Warmest
Warmest since:
 2016
Ties: 1969
Jan–Dec 1908
12-Month 		39.96°F
(4.42°C)		 40.04°F
(4.47°C)		 -0.08°F
(-0.05°C)		 63rd Coolest
Coolest since:
 1917
66th Warmest
Warmest since:
 2016
Jul 1907–Dec 1908
18-Month 		41.35°F
(5.19°C)		 41.48°F
(5.27°C)		 -0.13°F
(-0.08°C)		 51st Coolest
Coolest since:
 1917
77th Warmest
Warmest since:
 2016
Jan 1907–Dec 1908
24-Month 		39.82°F
(4.34°C)		 40.03°F
(4.46°C)		 -0.21°F
(-0.12°C)		 48th Coolest
Coolest since:
 1917
80th Warmest
Warmest since:
 2017
Jan 1906–Dec 1908
36-Month 		39.92°F
(4.40°C)		 40.02°F
(4.46°C)		 -0.10°F
(-0.06°C)		 52nd Coolest
Coolest since:
 1918
75th Warmest
Warmest since:
 2017
Jan 1905–Dec 1908
48-Month 		39.80°F
(4.33°C)		 40.01°F
(4.45°C)		 -0.21°F
(-0.12°C)		 39th Coolest
Coolest since:
 1919
87th Warmest
Warmest since:
 2018
Jan 1904–Dec 1908
60-Month 		39.63°F
(4.24°C)		 40.00°F
(4.44°C)		 -0.37°F
(-0.20°C)		 20th Coolest
Coolest since:
 1920
105th Warmest
Warmest since:
 2019
Ties: 1969

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