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, September 2016

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2016 1-Month	54.84°F (12.69°C)	51.90°F (11.06°C)	2.94°F (1.63°C)	123rd Coolest	Coolest since: 2014	1918
	54.84°F (12.69°C)	51.90°F (11.06°C)	2.94°F (1.63°C)	6th Warmest	Warmest since: 2015	2019
	Ties: 2022
Aug–Sep 2016 2-Month	58.04°F (14.47°C)	55.48°F (13.04°C)	2.56°F (1.43°C)	123rd Coolest	Coolest since: 2015	1974
Aug–Sep 2016 2-Month	58.04°F (14.47°C)	55.48°F (13.04°C)	2.56°F (1.43°C)	6th Warmest	Warmest since: 1998	2019
Jul–Sep 2016 3-Month	59.53°F (15.29°C)	57.16°F (13.98°C)	2.37°F (1.31°C)	123rd Coolest	Coolest since: 2015	1924
Jul–Sep 2016 3-Month	59.53°F (15.29°C)	57.16°F (13.98°C)	2.37°F (1.31°C)	6th Warmest	Warmest since: 1998	2022
Jun–Sep 2016 4-Month	59.30°F (15.17°C)	56.78°F (13.77°C)	2.52°F (1.40°C)	125th Coolest	Coolest since: 2015	1903
Jun–Sep 2016 4-Month	59.30°F (15.17°C)	56.78°F (13.77°C)	2.52°F (1.40°C)	4th Warmest	Warmest to Date	2021
May–Sep 2016 5-Month	57.07°F (13.93°C)	54.91°F (12.73°C)	2.16°F (1.20°C)	123rd Coolest	Coolest since: 2014	1907, 1924
May–Sep 2016 5-Month	57.07°F (13.93°C)	54.91°F (12.73°C)	2.16°F (1.20°C)	6th Warmest	Warmest since: 2015	2018
Apr–Sep 2016 6-Month	54.36°F (12.42°C)	52.20°F (11.22°C)	2.16°F (1.20°C)	126th Coolest	Coolest since: 2014	1907
Apr–Sep 2016 6-Month	54.36°F (12.42°C)	52.20°F (11.22°C)	2.16°F (1.20°C)	3rd Warmest	Warmest since: 2015	2018
Mar–Sep 2016 7-Month	51.67°F (10.93°C)	49.03°F (9.46°C)	2.64°F (1.47°C)	127th Coolest	Coolest since: 2015	1917
Mar–Sep 2016 7-Month	51.67°F (10.93°C)	49.03°F (9.46°C)	2.64°F (1.47°C)	2nd Warmest	Warmest since: 2012	2012
Feb–Sep 2016 8-Month	48.72°F (9.29°C)	45.75°F (7.64°C)	2.97°F (1.65°C)	127th Coolest	Coolest since: 2015	1917
Feb–Sep 2016 8-Month	48.72°F (9.29°C)	45.75°F (7.64°C)	2.97°F (1.65°C)	2nd Warmest	Warmest since: 2012	2012
Jan–Sep 2016 9-Month	45.82°F (7.68°C)	42.86°F (6.03°C)	2.96°F (1.65°C)	127th Coolest	Coolest since: 2015	1917
	45.82°F (7.68°C)	42.86°F (6.03°C)	2.96°F (1.65°C)	2nd Warmest	Warmest since: 2012	2012
	Ties: 2017
Dec 2015–Sep 2016 10-Month	44.16°F (6.76°C)	40.84°F (4.91°C)	3.32°F (1.85°C)	127th Coolest	Coolest since: 2015	1917
Dec 2015–Sep 2016 10-Month	44.16°F (6.76°C)	40.84°F (4.91°C)	3.32°F (1.85°C)	1st Warmest	Warmest to Date	2016
Nov 2015–Sep 2016 11-Month	43.23°F (6.24°C)	39.91°F (4.39°C)	3.32°F (1.85°C)	127th Coolest	Coolest since: 2015	1917
Nov 2015–Sep 2016 11-Month	43.23°F (6.24°C)	39.91°F (4.39°C)	3.32°F (1.85°C)	1st Warmest	Warmest to Date	2016
Oct 2015–Sep 2016 12-Month	43.41°F (6.34°C)	40.04°F (4.47°C)	3.37°F (1.87°C)	127th Coolest	Coolest since: 2015	1917
Oct 2015–Sep 2016 12-Month	43.41°F (6.34°C)	40.04°F (4.47°C)	3.37°F (1.87°C)	1st Warmest	Warmest to Date	2016
Apr 2015–Sep 2016 18-Month	47.08°F (8.38°C)	44.09°F (6.72°C)	2.99°F (1.66°C)	127th Coolest	Coolest since: 2015	1917
Apr 2015–Sep 2016 18-Month	47.08°F (8.38°C)	44.09°F (6.72°C)	2.99°F (1.66°C)	1st Warmest	Warmest to Date	2016
Oct 2014–Sep 2016 24-Month	42.74°F (5.97°C)	40.03°F (4.46°C)	2.71°F (1.51°C)	125th Coolest	Coolest since: 2015	1918
Oct 2014–Sep 2016 24-Month	42.74°F (5.97°C)	40.03°F (4.46°C)	2.71°F (1.51°C)	2nd Warmest	Warmest to Date	2017
Oct 2013–Sep 2016 36-Month	41.85°F (5.47°C)	40.02°F (4.46°C)	1.83°F (1.01°C)	117th Coolest	Coolest since: 2015	1918
	41.85°F (5.47°C)	40.02°F (4.46°C)	1.83°F (1.01°C)	9th Warmest	Warmest since: 2007	2017, 2018
	Ties: 2006
Oct 2012–Sep 2016 48-Month	41.71°F (5.39°C)	40.01°F (4.45°C)	1.70°F (0.94°C)	117th Coolest	Coolest since: 2015	1918
	41.71°F (5.39°C)	40.01°F (4.45°C)	1.70°F (0.94°C)	8th Warmest	Warmest since: 2007	2018
	Ties: 2001
Oct 2011–Sep 2016 60-Month	41.94°F (5.52°C)	40.00°F (4.44°C)	1.94°F (1.08°C)	117th Coolest	Coolest since: 2015	1920
Oct 2011–Sep 2016 60-Month	41.94°F (5.52°C)	40.00°F (4.44°C)	1.94°F (1.08°C)	7th Warmest	Warmest to Date	2019, 2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings