National Rankings

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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 2018

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 2018 1-Month	43.03°F (6.13°C)	41.41°F (5.23°C)	1.62°F (0.90°C)	106th Coolest	Coolest since: 2017	1917
October 2018 1-Month	43.03°F (6.13°C)	41.41°F (5.23°C)	1.62°F (0.90°C)	23rd Warmest	Warmest since: 2016	1947
Sep–Oct 2018 2-Month	49.37°F (9.65°C)	46.66°F (8.14°C)	2.71°F (1.51°C)	122nd Coolest	Coolest since: 2017	1917
Sep–Oct 2018 2-Month	49.37°F (9.65°C)	46.66°F (8.14°C)	2.71°F (1.51°C)	7th Warmest	Warmest since: 2016	2015
Aug–Oct 2018 3-Month	53.26°F (11.81°C)	50.79°F (10.44°C)	2.47°F (1.37°C)	123rd Coolest	Coolest since: 2017	1917
Aug–Oct 2018 3-Month	53.26°F (11.81°C)	50.79°F (10.44°C)	2.47°F (1.37°C)	6th Warmest	Warmest since: 2016	2016
Jul–Oct 2018 4-Month	55.62°F (13.12°C)	53.23°F (11.79°C)	2.39°F (1.33°C)	123rd Coolest	Coolest since: 2017	1976
Jul–Oct 2018 4-Month	55.62°F (13.12°C)	53.23°F (11.79°C)	2.39°F (1.33°C)	6th Warmest	Warmest since: 2016	2021
Jun–Oct 2018 5-Month	56.28°F (13.49°C)	53.71°F (12.06°C)	2.57°F (1.43°C)	125th Coolest	Coolest since: 2017	1917
Jun–Oct 2018 5-Month	56.28°F (13.49°C)	53.71°F (12.06°C)	2.57°F (1.43°C)	4th Warmest	Warmest since: 2016	2021
May–Oct 2018 6-Month	55.67°F (13.15°C)	52.67°F (11.48°C)	3.00°F (1.67°C)	128th Coolest	Coolest since: 2017	1917
May–Oct 2018 6-Month	55.67°F (13.15°C)	52.67°F (11.48°C)	3.00°F (1.67°C)	1st Warmest	Warmest to Date	2018
Apr–Oct 2018 7-Month	52.88°F (11.60°C)	50.65°F (10.36°C)	2.23°F (1.24°C)	125th Coolest	Coolest since: 2017	1917
Apr–Oct 2018 7-Month	52.88°F (11.60°C)	50.65°F (10.36°C)	2.23°F (1.24°C)	4th Warmest	Warmest since: 2016	2015
Mar–Oct 2018 8-Month	50.20°F (10.11°C)	48.07°F (8.93°C)	2.13°F (1.18°C)	124th Coolest	Coolest since: 2017	1917
Mar–Oct 2018 8-Month	50.20°F (10.11°C)	48.07°F (8.93°C)	2.13°F (1.18°C)	5th Warmest	Warmest since: 2016	2016
Feb–Oct 2018 9-Month	47.33°F (8.52°C)	45.26°F (7.37°C)	2.07°F (1.15°C)	123rd Coolest	Coolest since: 2014	1917
Feb–Oct 2018 9-Month	47.33°F (8.52°C)	45.26°F (7.37°C)	2.07°F (1.15°C)	6th Warmest	Warmest since: 2017	2016
Jan–Oct 2018 10-Month	44.72°F (7.07°C)	42.72°F (5.96°C)	2.00°F (1.11°C)	120th Coolest	Coolest since: 2014	1917
Jan–Oct 2018 10-Month	44.72°F (7.07°C)	42.72°F (5.96°C)	2.00°F (1.11°C)	9th Warmest	Warmest since: 2017	2016
Dec 2017–Oct 2018 11-Month	42.81°F (6.01°C)	40.89°F (4.94°C)	1.92°F (1.07°C)	119th Coolest	Coolest since: 2014	1917
Dec 2017–Oct 2018 11-Month	42.81°F (6.01°C)	40.89°F (4.94°C)	1.92°F (1.07°C)	9th Warmest	Warmest since: 2017	2016
Nov 2017–Oct 2018 12-Month	42.06°F (5.59°C)	40.04°F (4.47°C)	2.02°F (1.12°C)	119th Coolest	Coolest since: 2014	1917
Nov 2017–Oct 2018 12-Month	42.06°F (5.59°C)	40.04°F (4.47°C)	2.02°F (1.12°C)	9th Warmest	Warmest since: 2017	2016
May 2017–Oct 2018 18-Month	46.08°F (7.82°C)	44.25°F (6.81°C)	1.83°F (1.01°C)	120th Coolest	Coolest since: 2014	1917
May 2017–Oct 2018 18-Month	46.08°F (7.82°C)	44.25°F (6.81°C)	1.83°F (1.01°C)	8th Warmest	Warmest since: 2017	2016
Nov 2016–Oct 2018 24-Month	42.49°F (5.83°C)	40.04°F (4.47°C)	2.45°F (1.36°C)	124th Coolest	Coolest since: 2015	1917, 1918
Nov 2016–Oct 2018 24-Month	42.49°F (5.83°C)	40.04°F (4.47°C)	2.45°F (1.36°C)	3rd Warmest	Warmest since: 2017	2017
Nov 2015–Oct 2018 36-Month	42.80°F (6.00°C)	40.02°F (4.46°C)	2.78°F (1.54°C)	124th Coolest	Coolest since: 2016	1918
Nov 2015–Oct 2018 36-Month	42.80°F (6.00°C)	40.02°F (4.46°C)	2.78°F (1.54°C)	2nd Warmest	Warmest since: 2017	2017
Nov 2014–Oct 2018 48-Month	42.64°F (5.91°C)	40.01°F (4.45°C)	2.63°F (1.46°C)	124th Coolest	Coolest since: 2017	1918
Nov 2014–Oct 2018 48-Month	42.64°F (5.91°C)	40.01°F (4.45°C)	2.63°F (1.46°C)	1st Warmest	Warmest to Date	2018
Nov 2013–Oct 2018 60-Month	42.17°F (5.65°C)	40.00°F (4.44°C)	2.17°F (1.21°C)	121st Coolest	Coolest since: 2017	1920
Nov 2013–Oct 2018 60-Month	42.17°F (5.65°C)	40.00°F (4.44°C)	2.17°F (1.21°C)	3rd Warmest	Warmest to Date	2019, 2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings