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 2006

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  • Record Coolest
  • Bottom 1/10
  • 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 2006
1-Month 		26.02°F
(-3.32°C)		 22.60°F
(-5.22°C)		 3.42°F
(1.90°C)		 113th Coolest
Coolest since:
 1909
15th Warmest
Warmest since:
 2015
Ties: 2012
Nov–Dec 2006
2-Month 		29.33°F
(-1.48°C)		 26.64°F
(-2.98°C)		 2.69°F
(1.50°C)		 116th Coolest
Coolest since:
 1976
12th Warmest
Warmest since:
 2015
Oct–Dec 2006
3-Month 		33.05°F
(0.58°C)		 31.56°F
(-0.24°C)		 1.49°F
(0.82°C)		 104th Coolest
Coolest since:
 1976
24th Warmest
Warmest since:
 2015
Ties: 2018
Sep–Dec 2006
4-Month 		37.47°F
(3.04°C)		 36.65°F
(2.58°C)		 0.82°F
(0.46°C)		 89th Coolest
Coolest since:
 1976
39th Warmest
Warmest since:
 2015
Aug–Dec 2006
5-Month 		42.11°F
(5.62°C)		 41.13°F
(5.07°C)		 0.98°F
(0.55°C)		 98th Coolest
Coolest since:
 1976
30th Warmest
Warmest since:
 2015
Ties: 1977
Jul–Dec 2006
6-Month 		45.63°F
(7.57°C)		 44.37°F
(6.87°C)		 1.26°F
(0.70°C)		 107th Coolest
Coolest since:
 1976
21st Warmest
Warmest since:
 2021
Jun–Dec 2006
7-Month 		47.31°F
(8.51°C)		 45.97°F
(7.76°C)		 1.34°F
(0.75°C)		 108th Coolest
Coolest since:
 1976
20th Warmest
Warmest since:
 2021
May–Dec 2006
8-Month 		47.53°F
(8.63°C)		 46.16°F
(7.87°C)		 1.37°F
(0.76°C)		 111th Coolest
Coolest since:
 1976
17th Warmest
Warmest since:
 2015
Apr–Dec 2006
9-Month 		46.92°F
(8.29°C)		 45.32°F
(7.40°C)		 1.60°F
(0.89°C)		 119th Coolest
Coolest since:
 1917
9th Warmest
Warmest since:
 2015
Mar–Dec 2006
10-Month 		45.38°F
(7.43°C)		 43.79°F
(6.55°C)		 1.59°F
(0.88°C)		 116th Coolest
Coolest since:
 1917
12th Warmest
Warmest since:
 2015
Feb–Dec 2006
11-Month 		43.34°F
(6.30°C)		 41.88°F
(5.49°C)		 1.46°F
(0.81°C)		 113th Coolest
Coolest since:
 1917
15th Warmest
Warmest since:
 2016
Jan–Dec 2006
12-Month 		42.08°F
(5.60°C)		 40.03°F
(4.46°C)		 2.05°F
(1.14°C)		 120th Coolest
Coolest since:
 1917
8th Warmest
Warmest since:
 2016
Jul 2005–Dec 2006
18-Month 		43.36°F
(6.31°C)		 41.48°F
(5.27°C)		 1.88°F
(1.04°C)		 118th Coolest
Coolest since:
 1917
9th Warmest
Warmest since:
 2016
Jan 2005–Dec 2006
24-Month 		41.93°F
(5.52°C)		 40.04°F
(4.47°C)		 1.89°F
(1.05°C)		 120th Coolest
Coolest since:
 1917
7th Warmest
Warmest since:
 2017
Jan 2004–Dec 2006
36-Month 		41.81°F
(5.45°C)		 40.03°F
(4.46°C)		 1.78°F
(0.99°C)		 117th Coolest
Coolest since:
 1918
9th Warmest
Warmest since:
 2017
Jan 2003–Dec 2006
48-Month 		41.71°F
(5.39°C)		 40.02°F
(4.46°C)		 1.69°F
(0.93°C)		 115th Coolest
Coolest since:
 1919
10th Warmest
Warmest since:
 2018
Jan 2002–Dec 2006
60-Month 		41.61°F
(5.34°C)		 40.00°F
(4.44°C)		 1.61°F
(0.90°C)		 114th Coolest
Coolest since:
 1920
10th Warmest
Warmest since:
 2019

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