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 2022

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 2022
1-Month 		54.84°F
(12.69°C)		 51.90°F
(11.06°C)		 2.94°F
(1.63°C)		 123rd Coolest
Coolest since:
 1918
6th Warmest
Warmest since:
 2019
Ties: 2016
Aug–Sep 2022
2-Month 		58.54°F
(14.74°C)		 55.48°F
(13.04°C)		 3.06°F
(1.70°C)		 127th Coolest
Coolest since:
 1974
2nd Warmest
Warmest since:
 2019
Ties: 1998
Jul–Sep 2022
3-Month 		60.21°F
(15.67°C)		 57.17°F
(13.98°C)		 3.04°F
(1.69°C)		 128th Coolest
Coolest since:
 1924
1st Warmest
Warmest to Date
 2022
Jun–Sep 2022
4-Month 		59.62°F
(15.34°C)		 56.78°F
(13.77°C)		 2.84°F
(1.57°C)		 127th Coolest
Coolest since:
 1903
2nd Warmest
Warmest since:
 2021
May–Sep 2022
5-Month 		57.58°F
(14.21°C)		 54.92°F
(12.73°C)		 2.66°F
(1.48°C)		 127th Coolest
Coolest since:
 1907, 1924
2nd Warmest
Warmest since:
 2018
Apr–Sep 2022
6-Month 		54.33°F
(12.41°C)		 52.20°F
(11.22°C)		 2.13°F
(1.19°C)		 125th Coolest
Coolest since:
 1907
4th Warmest
Warmest since:
 2018
Mar–Sep 2022
7-Month 		51.05°F
(10.58°C)		 49.02°F
(9.46°C)		 2.03°F
(1.12°C)		 122nd Coolest
Coolest since:
 1917
7th Warmest
Warmest since:
 2012
Feb–Sep 2022
8-Month 		47.31°F
(8.51°C)		 45.75°F
(7.64°C)		 1.56°F
(0.87°C)		 116th Coolest
Coolest since:
 1917
13th Warmest
Warmest since:
 2012
Jan–Sep 2022
9-Month 		44.21°F
(6.78°C)		 42.86°F
(6.03°C)		 1.35°F
(0.75°C)		 108th Coolest
Coolest since:
 1917
21st Warmest
Warmest since:
 2012
Dec 2021–Sep 2022
10-Month 		42.66°F
(5.92°C)		 40.84°F
(4.91°C)		 1.82°F
(1.01°C)		 116th Coolest
Coolest since:
 1917
12th Warmest
Warmest since:
 2016
Nov 2021–Sep 2022
11-Month 		41.81°F
(5.45°C)		 39.92°F
(4.40°C)		 1.89°F
(1.05°C)		 116th Coolest
Coolest since:
 1917
12th Warmest
Warmest since:
 2016
Oct 2021–Sep 2022
12-Month 		42.10°F
(5.61°C)		 40.04°F
(4.47°C)		 2.06°F
(1.14°C)		 121st Coolest
Coolest since:
 1917
7th Warmest
Warmest since:
 2016
Apr 2021–Sep 2022
18-Month 		46.15°F
(7.86°C)		 44.09°F
(6.72°C)		 2.06°F
(1.14°C)		 124th Coolest
Coolest since:
 1917
4th Warmest
Warmest since:
 2016
Oct 2020–Sep 2022
24-Month 		42.09°F
(5.61°C)		 40.03°F
(4.46°C)		 2.06°F
(1.15°C)		 123rd Coolest
Coolest since:
 1918
4th Warmest
Warmest since:
 2017
Ties: 2006
Oct 2019–Sep 2022
36-Month 		42.08°F
(5.60°C)		 40.02°F
(4.46°C)		 2.06°F
(1.14°C)		 122nd Coolest
Coolest since:
 1918
4th Warmest
Warmest since:
 2017, 2018
Ties: 2000
Oct 2018–Sep 2022
48-Month 		41.93°F
(5.52°C)		 40.01°F
(4.45°C)		 1.92°F
(1.07°C)		 120th Coolest
Coolest since:
 1918
5th Warmest
Warmest since:
 2018
Oct 2017–Sep 2022
60-Month 		41.96°F
(5.53°C)		 40.00°F
(4.44°C)		 1.96°F
(1.09°C)		 118th Coolest
Coolest since:
 1920
6th Warmest
Warmest since:
 2019, 2020

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