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, September 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
(1895-2022)
Warmest/Coolest
Since
Record
September 2006
1-Month
50.72°F
(10.40°C)
51.90°F
(11.06°C)
-1.18°F
(-0.66°C)
20th Coolest
Coolest since:
1918
109th Warmest
Warmest since:
2019
Aug–Sep 2006
2-Month
55.69°F
(13.16°C)
55.48°F
(13.04°C)
0.21°F
(0.12°C)
65th Coolest
Coolest since:
1974
64th Warmest
Warmest since:
2019
Jul–Sep 2006
3-Month
58.20°F
(14.56°C)
57.16°F
(13.98°C)
1.04°F
(0.58°C)
101st Coolest
Coolest since:
1924
28th Warmest
Warmest since:
2022
Jun–Sep 2006
4-Month
58.00°F
(14.44°C)
56.78°F
(13.77°C)
1.22°F
(0.67°C)
106th Coolest
Coolest since:
1903
23rd Warmest
Warmest since:
2021
Ties: 2001
May–Sep 2006
5-Month
56.21°F
(13.45°C)
54.91°F
(12.73°C)
1.30°F
(0.72°C)
111th Coolest
Coolest since:
1907, 1924
18th Warmest
Warmest since:
2018
Apr–Sep 2006
6-Month
53.85°F
(12.14°C)
52.19°F
(11.22°C)
1.66°F
(0.92°C)
118th Coolest
Coolest since:
1907
11th Warmest
Warmest since:
2018
Mar–Sep 2006
7-Month
50.66°F
(10.37°C)
49.02°F
(9.46°C)
1.64°F
(0.91°C)
117th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2012
Feb–Sep 2006
8-Month
47.20°F
(8.44°C)
45.75°F
(7.64°C)
1.45°F
(0.80°C)
112th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2012
Jan–Sep 2006
9-Month
45.09°F
(7.27°C)
42.86°F
(6.03°C)
2.23°F
(1.24°C)
123rd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2012
Dec 2005–Sep 2006
10-Month
42.84°F
(6.02°C)
40.84°F
(4.91°C)
2.00°F
(1.11°C)
119th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2016
Nov 2005–Sep 2006
11-Month
41.96°F
(5.53°C)
39.91°F
(4.39°C)
2.05°F
(1.14°C)
119th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2016
Oct 2005–Sep 2006
12-Month
42.08°F
(5.60°C)
40.05°F
(4.47°C)
2.03°F
(1.13°C)
120th Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2016
Ties: 2015, 2021
Apr 2005–Sep 2006
18-Month
45.82°F
(7.68°C)
44.09°F
(6.72°C)
1.73°F
(0.96°C)
118th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2016
Ties: 2015
Oct 2004–Sep 2006
24-Month
42.09°F
(5.61°C)
40.03°F
(4.46°C)
2.06°F
(1.15°C)
122nd Coolest
Coolest since:
1918
5th Warmest
Warmest to Date
2017
Oct 2003–Sep 2006
36-Month
41.85°F
(5.47°C)
40.02°F
(4.46°C)
1.83°F
(1.01°C)
117th Coolest
Coolest since:
1918
9th Warmest
Warmest since:
2017, 2018
Ties: 2016
Oct 2002–Sep 2006
48-Month
41.67°F
(5.37°C)
40.01°F
(4.45°C)
1.66°F
(0.92°C)
114th Coolest
Coolest since:
1918
11th Warmest
Warmest since:
2018
Oct 2001–Sep 2006
60-Month
41.67°F
(5.37°C)
40.00°F
(4.44°C)
1.67°F
(0.93°C)
115th Coolest
Coolest since:
1920
9th Warmest
Warmest since:
2019, 2020

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