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, August 2018

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 2018 1-Month	61.05°F (16.14°C)	59.06°F (15.03°C)	1.99°F (1.11°C)	114th Coolest	Coolest since: 2017	1950
August 2018 1-Month	61.05°F (16.14°C)	59.06°F (15.03°C)	1.99°F (1.11°C)	15th Warmest	Warmest since: 2016	2022
Jul–Aug 2018 2-Month	61.86°F (16.59°C)	59.80°F (15.44°C)	2.06°F (1.15°C)	118th Coolest	Coolest since: 2017	1950
	61.86°F (16.59°C)	59.80°F (15.44°C)	2.06°F (1.15°C)	11th Warmest	Warmest since: 2016	2022
	Ties: 2010
Jun–Aug 2018 3-Month	60.88°F (16.04°C)	58.40°F (14.67°C)	2.48°F (1.37°C)	126th Coolest	Coolest since: 2017	1915
Jun–Aug 2018 3-Month	60.88°F (16.04°C)	58.40°F (14.67°C)	2.48°F (1.37°C)	3rd Warmest	Warmest to Date	2021
May–Aug 2018 4-Month	58.82°F (14.90°C)	55.67°F (13.15°C)	3.15°F (1.75°C)	128th Coolest	Coolest since: 2017	1907
May–Aug 2018 4-Month	58.82°F (14.90°C)	55.67°F (13.15°C)	3.15°F (1.75°C)	1st Warmest	Warmest to Date	2018
Apr–Aug 2018 5-Month	54.29°F (12.38°C)	52.25°F (11.25°C)	2.04°F (1.13°C)	126th Coolest	Coolest since: 2017	1907
Apr–Aug 2018 5-Month	54.29°F (12.38°C)	52.25°F (11.25°C)	2.04°F (1.13°C)	3rd Warmest	Warmest since: 2012	2012
Mar–Aug 2018 6-Month	50.48°F (10.27°C)	48.54°F (9.19°C)	1.94°F (1.08°C)	120th Coolest	Coolest since: 2014	1917
Mar–Aug 2018 6-Month	50.48°F (10.27°C)	48.54°F (9.19°C)	1.94°F (1.08°C)	9th Warmest	Warmest since: 2017	2012
Feb–Aug 2018 7-Month	46.75°F (8.19°C)	44.87°F (7.15°C)	1.88°F (1.04°C)	121st Coolest	Coolest since: 2015	1917
Feb–Aug 2018 7-Month	46.75°F (8.19°C)	44.87°F (7.15°C)	1.88°F (1.04°C)	8th Warmest	Warmest since: 2017	2012
Jan–Aug 2018 8-Month	43.55°F (6.42°C)	41.73°F (5.41°C)	1.82°F (1.01°C)	116th Coolest	Coolest since: 2015	1917
Jan–Aug 2018 8-Month	43.55°F (6.42°C)	41.73°F (5.41°C)	1.82°F (1.01°C)	13th Warmest	Warmest since: 2017	2012
Dec 2017–Aug 2018 9-Month	41.35°F (5.19°C)	39.61°F (4.23°C)	1.74°F (0.96°C)	115th Coolest	Coolest since: 2014	1917
	41.35°F (5.19°C)	39.61°F (4.23°C)	1.74°F (0.96°C)	13th Warmest	Warmest since: 2017	2012
	Ties: 1992, 1999
Nov 2017–Aug 2018 10-Month	40.60°F (4.78°C)	38.72°F (3.73°C)	1.88°F (1.05°C)	117th Coolest	Coolest since: 2015	1917
Nov 2017–Aug 2018 10-Month	40.60°F (4.78°C)	38.72°F (3.73°C)	1.88°F (1.05°C)	11th Warmest	Warmest since: 2017	2016
Oct 2017–Aug 2018 11-Month	40.81°F (4.89°C)	38.96°F (3.87°C)	1.85°F (1.02°C)	115th Coolest	Coolest since: 2014	1917
Oct 2017–Aug 2018 11-Month	40.81°F (4.89°C)	38.96°F (3.87°C)	1.85°F (1.02°C)	13th Warmest	Warmest since: 2017	2016
Sep 2017–Aug 2018 12-Month	41.89°F (5.49°C)	40.04°F (4.47°C)	1.85°F (1.02°C)	115th Coolest	Coolest since: 2014	1917
Sep 2017–Aug 2018 12-Month	41.89°F (5.49°C)	40.04°F (4.47°C)	1.85°F (1.02°C)	13th Warmest	Warmest since: 2017	2016
Mar 2017–Aug 2018 18-Month	44.82°F (7.12°C)	42.87°F (6.04°C)	1.95°F (1.08°C)	122nd Coolest	Coolest since: 2015	1917
Mar 2017–Aug 2018 18-Month	44.82°F (7.12°C)	42.87°F (6.04°C)	1.95°F (1.08°C)	6th Warmest	Warmest since: 2017	2016
Sep 2016–Aug 2018 24-Month	42.56°F (5.87°C)	40.04°F (4.47°C)	2.52°F (1.40°C)	124th Coolest	Coolest since: 2015	1918
Sep 2016–Aug 2018 24-Month	42.56°F (5.87°C)	40.04°F (4.47°C)	2.52°F (1.40°C)	3rd Warmest	Warmest since: 2017	2017
Sep 2015–Aug 2018 36-Month	42.87°F (6.04°C)	40.02°F (4.46°C)	2.85°F (1.58°C)	124th Coolest	Coolest since: 2016	1918
Sep 2015–Aug 2018 36-Month	42.87°F (6.04°C)	40.02°F (4.46°C)	2.85°F (1.58°C)	2nd Warmest	Warmest since: 2017	2017
Sep 2014–Aug 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
Sep 2014–Aug 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
Sep 2013–Aug 2018 60-Month	42.13°F (5.63°C)	40.00°F (4.44°C)	2.13°F (1.19°C)	120th Coolest	Coolest since: 2017	1920
Sep 2013–Aug 2018 60-Month	42.13°F (5.63°C)	40.00°F (4.44°C)	2.13°F (1.19°C)	4th Warmest	Warmest to Date	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings