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, October 2017

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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
October 2017
1-Month 		42.93°F
(6.07°C)		 41.41°F
(5.23°C)		 1.52°F
(0.84°C)		 103rd Coolest
Coolest since:
 1917
26th Warmest
Warmest since:
 1947
Ties: 1940
Sep–Oct 2017
2-Month 		48.34°F
(9.08°C)		 46.65°F
(8.14°C)		 1.69°F
(0.94°C)		 115th Coolest
Coolest since:
 1917
14th Warmest
Warmest since:
 2015
Aug–Oct 2017
3-Month 		52.15°F
(11.19°C)		 50.79°F
(10.44°C)		 1.36°F
(0.75°C)		 109th Coolest
Coolest since:
 1917
20th Warmest
Warmest since:
 2016
Jul–Oct 2017
4-Month 		54.82°F
(12.68°C)		 53.22°F
(11.79°C)		 1.60°F
(0.89°C)		 114th Coolest
Coolest since:
 1976
15th Warmest
Warmest since:
 2021
Jun–Oct 2017
5-Month 		55.35°F
(12.97°C)		 53.71°F
(12.06°C)		 1.64°F
(0.91°C)		 117th Coolest
Coolest since:
 1917
12th Warmest
Warmest since:
 2021
May–Oct 2017
6-Month 		54.10°F
(12.28°C)		 52.66°F
(11.48°C)		 1.44°F
(0.80°C)		 116th Coolest
Coolest since:
 1917
13th Warmest
Warmest since:
 2018
Apr–Oct 2017
7-Month 		52.33°F
(11.29°C)		 50.66°F
(10.37°C)		 1.67°F
(0.92°C)		 121st Coolest
Coolest since:
 1917
8th Warmest
Warmest since:
 2015
Mar–Oct 2017
8-Month 		50.10°F
(10.06°C)		 48.08°F
(8.93°C)		 2.02°F
(1.13°C)		 122nd Coolest
Coolest since:
 1917
7th Warmest
Warmest since:
 2016
Feb–Oct 2017
9-Month 		47.89°F
(8.83°C)		 45.27°F
(7.37°C)		 2.62°F
(1.46°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest since:
 2016
Jan–Oct 2017
10-Month 		45.53°F
(7.52°C)		 42.71°F
(5.95°C)		 2.82°F
(1.57°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest since:
 2016
Dec 2016–Oct 2017
11-Month 		43.51°F
(6.39°C)		 40.89°F
(4.94°C)		 2.62°F
(1.45°C)		 124th Coolest
Coolest since:
 1917
4th Warmest
Warmest since:
 2016
Nov 2016–Oct 2017
12-Month 		42.91°F
(6.06°C)		 40.04°F
(4.47°C)		 2.87°F
(1.59°C)		 126th Coolest
Coolest since:
 1917
2nd Warmest
Warmest since:
 2016
May 2016–Oct 2017
18-Month 		46.99°F
(8.33°C)		 44.25°F
(6.81°C)		 2.74°F
(1.52°C)		 126th Coolest
Coolest since:
 1917
2nd Warmest
Warmest since:
 2016
Nov 2015–Oct 2017
24-Month 		43.17°F
(6.21°C)		 40.04°F
(4.47°C)		 3.13°F
(1.74°C)		 126th Coolest
Coolest since:
 1917, 1918
1st Warmest
Warmest to Date
 2017
Nov 2014–Oct 2017
36-Month 		42.83°F
(6.02°C)		 40.02°F
(4.46°C)		 2.81°F
(1.56°C)		 125th Coolest
Coolest since:
 1918
1st Warmest
Warmest to Date
 2017
Nov 2013–Oct 2017
48-Month 		42.20°F
(5.67°C)		 40.01°F
(4.45°C)		 2.19°F
(1.22°C)		 122nd Coolest
Coolest since:
 1918
3rd Warmest
Warmest to Date
 2018
Nov 2012–Oct 2017
60-Month 		42.01°F
(5.56°C)		 40.00°F
(4.44°C)		 2.01°F
(1.12°C)		 119th Coolest
Coolest since:
 1920
5th Warmest
Warmest to Date
 2019, 2020

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