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 2012

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2012
1-Month
52.54°F
(11.41°C)
51.90°F
(11.06°C)
0.64°F
(0.35°C)
79th Coolest
Coolest since:
1918
50th Warmest
Warmest since:
2019
Ties: 2001
Aug–Sep 2012
2-Month
56.38°F
(13.54°C)
55.48°F
(13.04°C)
0.90°F
(0.50°C)
93rd Coolest
Coolest since:
1974
36th Warmest
Warmest since:
2019
Jul–Sep 2012
3-Month
58.77°F
(14.87°C)
57.17°F
(13.98°C)
1.60°F
(0.89°C)
112th Coolest
Coolest since:
1924
17th Warmest
Warmest since:
2022
Jun–Sep 2012
4-Month
58.30°F
(14.61°C)
56.78°F
(13.77°C)
1.52°F
(0.84°C)
112th Coolest
Coolest since:
1903
17th Warmest
Warmest since:
2021
May–Sep 2012
5-Month
56.68°F
(13.71°C)
54.91°F
(12.73°C)
1.77°F
(0.98°C)
120th Coolest
Coolest since:
1907, 1924
9th Warmest
Warmest since:
2018
Apr–Sep 2012
6-Month
54.19°F
(12.33°C)
52.20°F
(11.22°C)
1.99°F
(1.11°C)
123rd Coolest
Coolest since:
1907
6th Warmest
Warmest to Date
2018
Mar–Sep 2012
7-Month
51.87°F
(11.04°C)
49.02°F
(9.46°C)
2.85°F
(1.58°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2012
Feb–Sep 2012
8-Month
48.76°F
(9.31°C)
45.75°F
(7.64°C)
3.01°F
(1.67°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2012
Jan–Sep 2012
9-Month
46.08°F
(7.82°C)
42.86°F
(6.03°C)
3.22°F
(1.79°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2012
Dec 2011–Sep 2012
10-Month
44.00°F
(6.67°C)
40.84°F
(4.91°C)
3.16°F
(1.76°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2016
Nov 2011–Sep 2012
11-Month
42.94°F
(6.08°C)
39.91°F
(4.39°C)
3.03°F
(1.69°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2016
Oct 2011–Sep 2012
12-Month
42.90°F
(6.06°C)
40.05°F
(4.47°C)
2.85°F
(1.59°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
2016
Apr 2011–Sep 2012
18-Month
46.46°F
(8.03°C)
44.10°F
(6.72°C)
2.36°F
(1.31°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
2016
Oct 2010–Sep 2012
24-Month
41.90°F
(5.50°C)
40.04°F
(4.47°C)
1.86°F
(1.03°C)
117th Coolest
Coolest since:
1918
10th Warmest
Warmest since:
2017
Oct 2009–Sep 2012
36-Month
41.65°F
(5.36°C)
40.02°F
(4.46°C)
1.63°F
(0.90°C)
114th Coolest
Coolest since:
1918
12th Warmest
Warmest since:
2017, 2018
Oct 2008–Sep 2012
48-Month
41.40°F
(5.22°C)
40.01°F
(4.45°C)
1.39°F
(0.77°C)
108th Coolest
Coolest since:
1918
17th Warmest
Warmest since:
2018
Ties: 2003
Oct 2007–Sep 2012
60-Month
41.22°F
(5.12°C)
40.00°F
(4.44°C)
1.22°F
(0.68°C)
103rd Coolest
Coolest since:
1920
21st Warmest
Warmest since:
2019, 2020
Ties: 1999

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