National Rankings

Parameter:

Year:

Month:

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 1991

View Period (Months):

All

Download: CSV JSON XML

Record Coolest
Bottom ⅒
Bottom ⅓
Normal
Top ⅓
Top ⅒
Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1991 1-Month	60.26°F (15.70°C)	59.06°F (15.03°C)	1.20°F (0.67°C)	103rd Coolest	Coolest since: 1990	1950
	60.26°F (15.70°C)	59.06°F (15.03°C)	1.20°F (0.67°C)	26th Warmest	Warmest since: 1988	2022
	Ties: 2014
Jul–Aug 1991 2-Month	60.70°F (15.94°C)	59.80°F (15.44°C)	0.90°F (0.50°C)	97th Coolest	Coolest since: 1990	1950
Jul–Aug 1991 2-Month	60.70°F (15.94°C)	59.80°F (15.44°C)	0.90°F (0.50°C)	32nd Warmest	Warmest since: 1988	2022
Jun–Aug 1991 3-Month	59.41°F (15.23°C)	58.41°F (14.67°C)	1.00°F (0.56°C)	103rd Coolest	Coolest since: 1990	1915
	59.41°F (15.23°C)	58.41°F (14.67°C)	1.00°F (0.56°C)	26th Warmest	Warmest since: 1988	2021
	Ties: 1901
May–Aug 1991 4-Month	57.16°F (13.98°C)	55.67°F (13.15°C)	1.49°F (0.83°C)	113th Coolest	Coolest since: 1990	1907
May–Aug 1991 4-Month	57.16°F (13.98°C)	55.67°F (13.15°C)	1.49°F (0.83°C)	16th Warmest	Warmest since: 1936	2018
Apr–Aug 1991 5-Month	53.86°F (12.14°C)	52.25°F (11.25°C)	1.61°F (0.89°C)	117th Coolest	Coolest since: 1990	1907
Apr–Aug 1991 5-Month	53.86°F (12.14°C)	52.25°F (11.25°C)	1.61°F (0.89°C)	12th Warmest	Warmest since: 1934	2012
Mar–Aug 1991 6-Month	50.21°F (10.12°C)	48.54°F (9.19°C)	1.67°F (0.93°C)	116th Coolest	Coolest since: 1990	1917
Mar–Aug 1991 6-Month	50.21°F (10.12°C)	48.54°F (9.19°C)	1.67°F (0.93°C)	13th Warmest	Warmest to Date	2012
Feb–Aug 1991 7-Month	47.03°F (8.35°C)	44.87°F (7.15°C)	2.16°F (1.20°C)	124th Coolest	Coolest since: 1990	1917
Feb–Aug 1991 7-Month	47.03°F (8.35°C)	44.87°F (7.15°C)	2.16°F (1.20°C)	5th Warmest	Warmest to Date	2012
Jan–Aug 1991 8-Month	43.62°F (6.46°C)	41.73°F (5.41°C)	1.89°F (1.05°C)	119th Coolest	Coolest since: 1990	1917
Jan–Aug 1991 8-Month	43.62°F (6.46°C)	41.73°F (5.41°C)	1.89°F (1.05°C)	10th Warmest	Warmest since: 1986	2012
Dec 1990–Aug 1991 9-Month	40.97°F (4.98°C)	39.61°F (4.23°C)	1.36°F (0.75°C)	104th Coolest	Coolest since: 1990	1917
Dec 1990–Aug 1991 9-Month	40.97°F (4.98°C)	39.61°F (4.23°C)	1.36°F (0.75°C)	24th Warmest	Warmest since: 1987	2012
Nov 1990–Aug 1991 10-Month	40.17°F (4.54°C)	38.72°F (3.73°C)	1.45°F (0.81°C)	108th Coolest	Coolest since: 1990	1917
Nov 1990–Aug 1991 10-Month	40.17°F (4.54°C)	38.72°F (3.73°C)	1.45°F (0.81°C)	20th Warmest	Warmest since: 1987	2016
Oct 1990–Aug 1991 11-Month	40.22°F (4.57°C)	38.97°F (3.87°C)	1.25°F (0.70°C)	106th Coolest	Coolest since: 1990	1917
Oct 1990–Aug 1991 11-Month	40.22°F (4.57°C)	38.97°F (3.87°C)	1.25°F (0.70°C)	22nd Warmest	Warmest since: 1987	2016
Sep 1990–Aug 1991 12-Month	41.40°F (5.22°C)	40.04°F (4.47°C)	1.36°F (0.75°C)	109th Coolest	Coolest since: 1990	1917
	41.40°F (5.22°C)	40.04°F (4.47°C)	1.36°F (0.75°C)	19th Warmest	Warmest since: 1987	2016
	Ties: 1921
Mar 1990–Aug 1991 18-Month	44.14°F (6.74°C)	42.87°F (6.04°C)	1.27°F (0.70°C)	106th Coolest	Coolest since: 1990	1917
Mar 1990–Aug 1991 18-Month	44.14°F (6.74°C)	42.87°F (6.04°C)	1.27°F (0.70°C)	22nd Warmest	Warmest since: 1987	2016
Sep 1989–Aug 1991 24-Month	41.07°F (5.04°C)	40.04°F (4.47°C)	1.03°F (0.57°C)	105th Coolest	Coolest since: 1990	1918
	41.07°F (5.04°C)	40.04°F (4.47°C)	1.03°F (0.57°C)	22nd Warmest	Warmest since: 1987	2017
	Ties: 2011
Sep 1988–Aug 1991 36-Month	40.82°F (4.90°C)	40.02°F (4.46°C)	0.80°F (0.44°C)	97th Coolest	Coolest since: 1990	1918
Sep 1988–Aug 1991 36-Month	40.82°F (4.90°C)	40.02°F (4.46°C)	0.80°F (0.44°C)	29th Warmest	Warmest since: 1988	2017
Sep 1987–Aug 1991 48-Month	40.66°F (4.81°C)	40.01°F (4.45°C)	0.65°F (0.36°C)	90th Coolest	Coolest since: 1986	1918
Sep 1987–Aug 1991 48-Month	40.66°F (4.81°C)	40.01°F (4.45°C)	0.65°F (0.36°C)	35th Warmest	Warmest since: 1990	2018
Sep 1986–Aug 1991 60-Month	40.84°F (4.91°C)	40.00°F (4.44°C)	0.84°F (0.47°C)	98th Coolest	Coolest since: 1990	1920
Sep 1986–Aug 1991 60-Month	40.84°F (4.91°C)	40.00°F (4.44°C)	0.84°F (0.47°C)	26th Warmest	Warmest to Date	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on May 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings