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 1981

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1981 1-Month	51.76°F (10.98°C)	51.90°F (11.06°C)	-0.14°F (-0.08°C)	48th Coolest	Coolest since: 1976	1918
September 1981 1-Month	51.76°F (10.98°C)	51.90°F (11.06°C)	-0.14°F (-0.08°C)	81st Warmest	Warmest since: 1980	2019
Aug–Sep 1981 2-Month	55.50°F (13.06°C)	55.47°F (13.04°C)	0.03°F (0.02°C)	55th Coolest	Coolest since: 1976	1974
	55.50°F (13.06°C)	55.47°F (13.04°C)	0.03°F (0.02°C)	74th Warmest	Warmest since: 1980	2019
	Ties: 1961
Jul–Sep 1981 3-Month	57.46°F (14.14°C)	57.17°F (13.98°C)	0.29°F (0.16°C)	67th Coolest	Coolest since: 1979	1924
Jul–Sep 1981 3-Month	57.46°F (14.14°C)	57.17°F (13.98°C)	0.29°F (0.16°C)	62nd Warmest	Warmest since: 1980	2022
Jun–Sep 1981 4-Month	57.43°F (14.13°C)	56.78°F (13.77°C)	0.65°F (0.36°C)	88th Coolest	Coolest since: 1979	1903
	57.43°F (14.13°C)	56.78°F (13.77°C)	0.65°F (0.36°C)	41st Warmest	Warmest since: 1980	2021
	Ties: 2008
May–Sep 1981 5-Month	55.32°F (12.96°C)	54.92°F (12.73°C)	0.40°F (0.23°C)	80th Coolest	Coolest since: 1979	1907, 1924
May–Sep 1981 5-Month	55.32°F (12.96°C)	54.92°F (12.73°C)	0.40°F (0.23°C)	49th Warmest	Warmest since: 1980	2018
Apr–Sep 1981 6-Month	53.16°F (11.76°C)	52.20°F (11.22°C)	0.96°F (0.54°C)	102nd Coolest	Coolest since: 1980	1907
Apr–Sep 1981 6-Month	53.16°F (11.76°C)	52.20°F (11.22°C)	0.96°F (0.54°C)	27th Warmest	Warmest since: 1977	2018
Mar–Sep 1981 7-Month	50.00°F (10.00°C)	49.02°F (9.46°C)	0.98°F (0.54°C)	101st Coolest	Coolest since: 1980	1917
	50.00°F (10.00°C)	49.02°F (9.46°C)	0.98°F (0.54°C)	28th Warmest	Warmest since: 1977	2012
	Ties: 1934, 1987
Feb–Sep 1981 8-Month	46.84°F (8.24°C)	45.75°F (7.64°C)	1.09°F (0.60°C)	102nd Coolest	Coolest since: 1980	1917
	46.84°F (8.24°C)	45.75°F (7.64°C)	1.09°F (0.60°C)	27th Warmest	Warmest since: 1977	2012
	Ties: 1999
Jan–Sep 1981 9-Month	44.00°F (6.67°C)	42.86°F (6.03°C)	1.14°F (0.64°C)	101st Coolest	Coolest since: 1980	1917
Jan–Sep 1981 9-Month	44.00°F (6.67°C)	42.86°F (6.03°C)	1.14°F (0.64°C)	28th Warmest	Warmest since: 1938	2012
Dec 1980–Sep 1981 10-Month	42.02°F (5.57°C)	40.84°F (4.91°C)	1.18°F (0.66°C)	100th Coolest	Coolest since: 1980	1917
Dec 1980–Sep 1981 10-Month	42.02°F (5.57°C)	40.84°F (4.91°C)	1.18°F (0.66°C)	28th Warmest	Warmest since: 1938	2016
Nov 1980–Sep 1981 11-Month	41.02°F (5.01°C)	39.92°F (4.40°C)	1.10°F (0.61°C)	99th Coolest	Coolest since: 1980	1917
Nov 1980–Sep 1981 11-Month	41.02°F (5.01°C)	39.92°F (4.40°C)	1.10°F (0.61°C)	29th Warmest	Warmest since: 1938	2016
Oct 1980–Sep 1981 12-Month	40.89°F (4.94°C)	40.04°F (4.47°C)	0.85°F (0.47°C)	96th Coolest	Coolest since: 1980	1917
Oct 1980–Sep 1981 12-Month	40.89°F (4.94°C)	40.04°F (4.47°C)	0.85°F (0.47°C)	32nd Warmest	Warmest since: 1938	2016
Apr 1980–Sep 1981 18-Month	44.86°F (7.14°C)	44.10°F (6.72°C)	0.76°F (0.42°C)	97th Coolest	Coolest since: 1980	1917
Apr 1980–Sep 1981 18-Month	44.86°F (7.14°C)	44.10°F (6.72°C)	0.76°F (0.42°C)	31st Warmest	Warmest since: 1938	2016
Oct 1979–Sep 1981 24-Month	40.67°F (4.82°C)	40.04°F (4.47°C)	0.63°F (0.35°C)	93rd Coolest	Coolest since: 1980	1918
	40.67°F (4.82°C)	40.04°F (4.47°C)	0.63°F (0.35°C)	34th Warmest	Warmest since: 1939	2017
	Ties: 2014
Oct 1978–Sep 1981 36-Month	39.99°F (4.44°C)	40.02°F (4.46°C)	-0.03°F (-0.02°C)	58th Coolest	Coolest since: 1980	1918
Oct 1978–Sep 1981 36-Month	39.99°F (4.44°C)	40.02°F (4.46°C)	-0.03°F (-0.02°C)	68th Warmest	Warmest since: 1976	2017, 2018
Oct 1977–Sep 1981 48-Month	39.95°F (4.42°C)	40.01°F (4.45°C)	-0.06°F (-0.03°C)	51st Coolest	Coolest since: 1980	1918
	39.95°F (4.42°C)	40.01°F (4.45°C)	-0.06°F (-0.03°C)	74th Warmest	Warmest since: 1976	2018
	Ties: 1947
Oct 1976–Sep 1981 60-Month	39.82°F (4.34°C)	40.00°F (4.44°C)	-0.18°F (-0.10°C)	41st Coolest	Coolest since: 1980	1920
	39.82°F (4.34°C)	40.00°F (4.44°C)	-0.18°F (-0.10°C)	83rd Warmest	Warmest since: 1978	2019, 2020
	Ties: 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings