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 2015

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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 2015
1-Month 		45.37°F
(7.43°C)		 41.41°F
(5.23°C)		 3.96°F
(2.20°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest since:
 1947
Ties: 2021
Sep–Oct 2015
2-Month 		50.56°F
(10.31°C)		 46.66°F
(8.14°C)		 3.90°F
(2.17°C)		 128th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2015
Aug–Oct 2015
3-Month 		53.74°F
(12.08°C)		 50.79°F
(10.44°C)		 2.95°F
(1.64°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest to Date
 2016
Jul–Oct 2015
4-Month 		55.76°F
(13.20°C)		 53.22°F
(11.79°C)		 2.54°F
(1.41°C)		 125th Coolest
Coolest since:
 1976
4th Warmest
Warmest since:
 2021
Jun–Oct 2015
5-Month 		56.42°F
(13.57°C)		 53.70°F
(12.06°C)		 2.72°F
(1.51°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest to Date
 2021
May–Oct 2015
6-Month 		55.21°F
(12.89°C)		 52.67°F
(11.48°C)		 2.54°F
(1.41°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest to Date
 2018
Apr–Oct 2015
7-Month 		53.12°F
(11.73°C)		 50.65°F
(10.36°C)		 2.47°F
(1.37°C)		 128th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2015
Mar–Oct 2015
8-Month 		50.61°F
(10.34°C)		 48.07°F
(8.93°C)		 2.54°F
(1.41°C)		 127th Coolest
Coolest since:
 1917
2nd Warmest
Warmest to Date
 2016
Feb–Oct 2015
9-Month 		47.39°F
(8.55°C)		 45.27°F
(7.37°C)		 2.12°F
(1.18°C)		 124th Coolest
Coolest since:
 1917
5th Warmest
Warmest since:
 2016
Jan–Oct 2015
10-Month 		44.94°F
(7.19°C)		 42.72°F
(5.96°C)		 2.22°F
(1.23°C)		 122nd Coolest
Coolest since:
 1917
7th Warmest
Warmest since:
 2016
Dec 2014–Oct 2015
11-Month 		43.42°F
(6.34°C)		 40.89°F
(4.94°C)		 2.53°F
(1.40°C)		 123rd Coolest
Coolest since:
 1917
5th Warmest
Warmest since:
 2016
Nov 2014–Oct 2015
12-Month 		42.15°F
(5.64°C)		 40.04°F
(4.47°C)		 2.11°F
(1.17°C)		 120th Coolest
Coolest since:
 1917
8th Warmest
Warmest since:
 2016
May 2014–Oct 2015
18-Month 		46.18°F
(7.88°C)		 44.25°F
(6.81°C)		 1.93°F
(1.07°C)		 122nd Coolest
Coolest since:
 1917
6th Warmest
Warmest since:
 2016
Nov 2013–Oct 2015
24-Month 		41.23°F
(5.13°C)		 40.04°F
(4.47°C)		 1.19°F
(0.66°C)		 107th Coolest
Coolest since:
 1917, 1918
20th Warmest
Warmest since:
 2017
Nov 2012–Oct 2015
36-Month 		41.24°F
(5.13°C)		 40.02°F
(4.46°C)		 1.22°F
(0.67°C)		 106th Coolest
Coolest since:
 1918
20th Warmest
Warmest since:
 2017
Nov 2011–Oct 2015
48-Month 		41.64°F
(5.36°C)		 40.01°F
(4.45°C)		 1.63°F
(0.91°C)		 113th Coolest
Coolest since:
 1918
12th Warmest
Warmest since:
 2018
Nov 2010–Oct 2015
60-Month 		41.49°F
(5.27°C)		 40.00°F
(4.44°C)		 1.49°F
(0.83°C)		 112th Coolest
Coolest since:
 1920
12th Warmest
Warmest since:
 2019, 2020

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