Regional Rankings

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Year:

Month:

Region:

Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Great Basin

Average Temperature Rankings, May 1921

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1921 1-Month	52.9°F (11.6°C)	54.3°F (12.4°C)	-1.4°F (-0.8°C)	40th Coolest	Coolest since: 1918	1953
	52.9°F (11.6°C)	54.3°F (12.4°C)	-1.4°F (-0.8°C)	89th Warmest	Warmest since: 1920	1934
	Ties: 1903
Apr–May 1921 2-Month	48.3°F (9.1°C)	50.0°F (10.0°C)	-1.7°F (-0.9°C)	31st Coolest	Coolest since: 1920	1975
	48.3°F (9.1°C)	50.0°F (10.0°C)	-1.7°F (-0.9°C)	98th Warmest	Warmest since: 1919	1934
	Ties: 1945
Mar–May 1921 3-Month	46.5°F (8.1°C)	46.1°F (7.8°C)	0.4°F (0.3°C)	71st Coolest	Coolest since: 1920	1917
	46.5°F (8.1°C)	46.1°F (7.8°C)	0.4°F (0.3°C)	58th Warmest	Warmest since: 1919	1934
	Ties: 1904, 1959
Feb–May 1921 4-Month	43.5°F (6.4°C)	42.8°F (6.0°C)	0.7°F (0.4°C)	74th Coolest	Coolest since: 1920	1933
	43.5°F (6.4°C)	42.8°F (6.0°C)	0.7°F (0.4°C)	55th Warmest	Warmest since: 1916	1934
	Ties: 1941, 1961
Jan–May 1921 5-Month	41.0°F (5.0°C)	39.9°F (4.4°C)	1.1°F (0.6°C)	87th Coolest	Coolest since: 1920	1917
	41.0°F (5.0°C)	39.9°F (4.4°C)	1.1°F (0.6°C)	42nd Warmest	Warmest since: 1914	1934
	Ties: 1941, 1961
Dec 1920–May 1921 6-Month	39.0°F (3.9°C)	38.2°F (3.4°C)	0.8°F (0.5°C)	80th Coolest	Coolest since: 1920	1917
	39.0°F (3.9°C)	38.2°F (3.4°C)	0.8°F (0.5°C)	48th Warmest	Warmest since: 1918	1934
	Ties: 1972, 1976
Nov 1920–May 1921 7-Month	38.7°F (3.7°C)	38.1°F (3.4°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1920	1917
	38.7°F (3.7°C)	38.1°F (3.4°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1918	1934
	Ties: 1901, 1902, 1956, 1970, 1999
Oct 1920–May 1921 8-Month	39.7°F (4.3°C)	39.6°F (4.2°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1920	1917
	39.7°F (4.3°C)	39.6°F (4.2°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1918	1934
	Ties: 1946, 1958, 1965, 2011
Sep 1920–May 1921 9-Month	41.9°F (5.5°C)	41.9°F (5.5°C)	0.0°F (0.0°C)	48th Coolest	Coolest since: 1920	1917
	41.9°F (5.5°C)	41.9°F (5.5°C)	0.0°F (0.0°C)	80th Warmest	Warmest since: 1919	1934
	Ties: 1904, 1946, 1965, 1984
Aug 1920–May 1921 10-Month	44.6°F (7.0°C)	44.7°F (7.1°C)	-0.1°F (-0.1°C)	47th Coolest	Coolest since: 1920	1917
	44.6°F (7.0°C)	44.7°F (7.1°C)	-0.1°F (-0.1°C)	81st Warmest	Warmest since: 1918	1934
	Ties: 1908, 1925, 1939, 1946, 1984, 2008
Jul 1920–May 1921 11-Month	47.0°F (8.3°C)	47.1°F (8.4°C)	-0.1°F (-0.1°C)	48th Coolest	Coolest since: 1920	1917
	47.0°F (8.3°C)	47.1°F (8.4°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 1918	1934
	Ties: 1925, 1960, 1966, 1972, 1993
Jun 1920–May 1921 12-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	45th Coolest	Coolest since: 1920	1917
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	83rd Warmest	Warmest since: 1919	1934
	Ties: 1904, 1914, 1916, 1939, 1972, 1991
Dec 1919–May 1921 18-Month	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1920	1917, 1933
	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1920	2015
	Ties: 1920
Jun 1919–May 1921 24-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	30th Coolest	Coolest since: 1918	1917
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	97th Warmest	Warmest since: 1920	2015, 2016
	Ties: 1923, 1925, 1930, 1948, 1976
Jun 1918–May 1921 36-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1919	1917
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	78th Warmest	Warmest since: 1920	2017
	Ties: 1939, 1952, 1967, 1972, 1984, 1986
Jun 1917–May 1921 48-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1920	1917
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	58th Warmest	Warmest to Date	2018
	Ties: 1927, 1956, 1964, 1970, 1978
Jun 1916–May 1921 60-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	9th Coolest	Coolest since: 1920	1917
	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	115th Warmest	Warmest since: 1920	2018
	Ties: 1910, 1912, 1914, 1918, 1919, 1920

Citing This Page

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