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, May 1988

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1988 1-Month	47.48°F (8.60°C)	47.44°F (8.58°C)	0.04°F (0.02°C)	53rd Coolest	Coolest since: 1984	1917
	47.48°F (8.60°C)	47.44°F (8.58°C)	0.04°F (0.02°C)	76th Warmest	Warmest since: 1987	2018
	Ties: 1905
Apr–May 1988 2-Month	42.91°F (6.06°C)	43.03°F (6.13°C)	-0.12°F (-0.07°C)	46th Coolest	Coolest since: 1984	1907
Apr–May 1988 2-Month	42.91°F (6.06°C)	43.03°F (6.13°C)	-0.12°F (-0.07°C)	83rd Warmest	Warmest since: 1987	2012
Mar–May 1988 3-Month	38.57°F (3.65°C)	38.68°F (3.71°C)	-0.11°F (-0.06°C)	56th Coolest	Coolest since: 1984	1917
Mar–May 1988 3-Month	38.57°F (3.65°C)	38.68°F (3.71°C)	-0.11°F (-0.06°C)	73rd Warmest	Warmest since: 1987	2012
Feb–May 1988 4-Month	34.36°F (1.31°C)	34.72°F (1.51°C)	-0.36°F (-0.20°C)	49th Coolest	Coolest since: 1980	1917
Feb–May 1988 4-Month	34.36°F (1.31°C)	34.72°F (1.51°C)	-0.36°F (-0.20°C)	80th Warmest	Warmest since: 1987	2012
Jan–May 1988 5-Month	30.97°F (-0.57°C)	31.72°F (-0.16°C)	-0.75°F (-0.41°C)	33rd Coolest	Coolest since: 1982	1917
	30.97°F (-0.57°C)	31.72°F (-0.16°C)	-0.75°F (-0.41°C)	96th Warmest	Warmest since: 1987	2012
	Ties: 1901
Dec 1987–May 1988 6-Month	30.01°F (-1.11°C)	30.21°F (-0.99°C)	-0.20°F (-0.12°C)	52nd Coolest	Coolest since: 1984	1917
Dec 1987–May 1988 6-Month	30.01°F (-1.11°C)	30.21°F (-0.99°C)	-0.20°F (-0.12°C)	76th Warmest	Warmest since: 1987	2012
Nov 1987–May 1988 7-Month	30.45°F (-0.86°C)	30.28°F (-0.96°C)	0.17°F (0.10°C)	70th Coolest	Coolest since: 1984	1917
	30.45°F (-0.86°C)	30.28°F (-0.96°C)	0.17°F (0.10°C)	58th Warmest	Warmest since: 1987	2012
	Ties: 1993
Oct 1987–May 1988 8-Month	31.52°F (-0.27°C)	31.67°F (-0.18°C)	-0.15°F (-0.09°C)	49th Coolest	Coolest since: 1984	1917
	31.52°F (-0.27°C)	31.67°F (-0.18°C)	-0.15°F (-0.09°C)	79th Warmest	Warmest since: 1987	2016, 2017
	Ties: 1915
Sep 1987–May 1988 9-Month	33.77°F (0.98°C)	33.92°F (1.07°C)	-0.15°F (-0.09°C)	52nd Coolest	Coolest since: 1982	1917
	33.77°F (0.98°C)	33.92°F (1.07°C)	-0.15°F (-0.09°C)	76th Warmest	Warmest since: 1987	2016
	Ties: 1947
Aug 1987–May 1988 10-Month	36.31°F (2.39°C)	36.44°F (2.47°C)	-0.13°F (-0.08°C)	52nd Coolest	Coolest since: 1982	1917
Aug 1987–May 1988 10-Month	36.31°F (2.39°C)	36.44°F (2.47°C)	-0.13°F (-0.08°C)	76th Warmest	Warmest since: 1987	2017
Jul 1987–May 1988 11-Month	38.53°F (3.63°C)	38.63°F (3.68°C)	-0.10°F (-0.05°C)	54th Coolest	Coolest since: 1982	1917
Jul 1987–May 1988 11-Month	38.53°F (3.63°C)	38.63°F (3.68°C)	-0.10°F (-0.05°C)	74th Warmest	Warmest since: 1987	2017
Jun 1987–May 1988 12-Month	40.08°F (4.49°C)	40.04°F (4.47°C)	0.04°F (0.02°C)	58th Coolest	Coolest since: 1982	1917
	40.08°F (4.49°C)	40.04°F (4.47°C)	0.04°F (0.02°C)	70th Warmest	Warmest since: 1987	2017
	Ties: 1946, 1980
Dec 1986–May 1988 18-Month	37.55°F (3.08°C)	36.76°F (2.64°C)	0.79°F (0.44°C)	94th Coolest	Coolest since: 1986	1918
Dec 1986–May 1988 18-Month	37.55°F (3.08°C)	36.76°F (2.64°C)	0.79°F (0.44°C)	33rd Warmest	Warmest since: 1987	2017
Jun 1986–May 1988 24-Month	40.83°F (4.91°C)	40.03°F (4.46°C)	0.80°F (0.45°C)	101st Coolest	Coolest since: 1986	1918
	40.83°F (4.91°C)	40.03°F (4.46°C)	0.80°F (0.45°C)	26th Warmest	Warmest since: 1987	2017
	Ties: 1993
Jun 1985–May 1988 36-Month	40.77°F (4.87°C)	40.02°F (4.46°C)	0.75°F (0.41°C)	98th Coolest	Coolest since: 1986	1918
Jun 1985–May 1988 36-Month	40.77°F (4.87°C)	40.02°F (4.46°C)	0.75°F (0.41°C)	28th Warmest	Warmest since: 1987	2017
Jun 1984–May 1988 48-Month	40.66°F (4.81°C)	40.01°F (4.45°C)	0.65°F (0.36°C)	91st Coolest	Coolest since: 1986	1918
Jun 1984–May 1988 48-Month	40.66°F (4.81°C)	40.01°F (4.45°C)	0.65°F (0.36°C)	34th Warmest	Warmest since: 1987	2018
Jun 1983–May 1988 60-Month	40.56°F (4.76°C)	39.99°F (4.44°C)	0.57°F (0.32°C)	87th Coolest	Coolest since: 1986	1920
Jun 1983–May 1988 60-Month	40.56°F (4.76°C)	39.99°F (4.44°C)	0.57°F (0.32°C)	37th Warmest	Warmest since: 1987	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings