Regional Rankings

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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 1947

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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 1947 1-Month	58.7°F (14.8°C)	54.3°F (12.4°C)	4.4°F (2.4°C)	119th Coolest	Coolest since: 1946	1953
	58.7°F (14.8°C)	54.3°F (12.4°C)	4.4°F (2.4°C)	10th Warmest	Warmest since: 1940	1934
	Ties: 1928
Apr–May 1947 2-Month	52.3°F (11.3°C)	50.0°F (10.0°C)	2.3°F (1.3°C)	102nd Coolest	Coolest since: 1946	1975
	52.3°F (11.3°C)	50.0°F (10.0°C)	2.3°F (1.3°C)	27th Warmest	Warmest since: 1943	1934
	Ties: 1994, 2009, 2021
Mar–May 1947 3-Month	48.6°F (9.2°C)	46.1°F (7.8°C)	2.5°F (1.4°C)	108th Coolest	Coolest since: 1946	1917
	48.6°F (9.2°C)	46.1°F (7.8°C)	2.5°F (1.4°C)	21st Warmest	Warmest since: 1940	1934
	Ties: 1936, 1993
Feb–May 1947 4-Month	45.8°F (7.7°C)	42.8°F (6.0°C)	3.0°F (1.7°C)	118th Coolest	Coolest since: 1946	1933
Feb–May 1947 4-Month	45.8°F (7.7°C)	42.8°F (6.0°C)	3.0°F (1.7°C)	11th Warmest	Warmest since: 1940	1934
Jan–May 1947 5-Month	41.7°F (5.4°C)	39.9°F (4.4°C)	1.8°F (1.0°C)	100th Coolest	Coolest since: 1946	1917
	41.7°F (5.4°C)	39.9°F (4.4°C)	1.8°F (1.0°C)	29th Warmest	Warmest since: 1943	1934
	Ties: 1928, 1936, 2001
Dec 1946–May 1947 6-Month	40.4°F (4.7°C)	38.2°F (3.4°C)	2.2°F (1.3°C)	111th Coolest	Coolest since: 1946	1917
	40.4°F (4.7°C)	38.2°F (3.4°C)	2.2°F (1.3°C)	17th Warmest	Warmest since: 1943	1934
	Ties: 1994, 1997
Nov 1946–May 1947 7-Month	39.6°F (4.2°C)	38.1°F (3.4°C)	1.5°F (0.8°C)	99th Coolest	Coolest since: 1946	1917
Nov 1946–May 1947 7-Month	39.6°F (4.2°C)	38.1°F (3.4°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 1943	1934
Oct 1946–May 1947 8-Month	40.1°F (4.5°C)	39.6°F (4.2°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1946	1917
	40.1°F (4.5°C)	39.6°F (4.2°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1943	1934
	Ties: 1908, 1953, 1988
Sep 1946–May 1947 9-Month	42.4°F (5.8°C)	41.9°F (5.5°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1946	1917
	42.4°F (5.8°C)	41.9°F (5.5°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1943	1934
	Ties: 1907
Aug 1946–May 1947 10-Month	45.2°F (7.3°C)	44.7°F (7.1°C)	0.5°F (0.2°C)	73rd Coolest	Coolest since: 1946	1917
	45.2°F (7.3°C)	44.7°F (7.1°C)	0.5°F (0.2°C)	55th Warmest	Warmest since: 1943	1934
	Ties: 1927, 1982
Jul 1946–May 1947 11-Month	47.6°F (8.7°C)	47.1°F (8.4°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 1946	1917
	47.6°F (8.7°C)	47.1°F (8.4°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 1943	1934
	Ties: 1902, 1927, 1982
Jun 1946–May 1947 12-Month	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1946	1917
	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1943	1934
	Ties: 1956, 1968, 1988
Dec 1945–May 1947 18-Month	45.4°F (7.4°C)	45.0°F (7.2°C)	0.4°F (0.2°C)	77th Coolest	Coolest since: 1946	1917, 1933
	45.4°F (7.4°C)	45.0°F (7.2°C)	0.4°F (0.2°C)	50th Warmest	Warmest since: 1941	2015
	Ties: 1901, 1986, 2010
Jun 1945–May 1947 24-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 1946	1917
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	67th Warmest	Warmest since: 1944	2015, 2016
	Ties: 1902, 1911, 1931, 1957, 1963, 1969, 1986, 1994, 2011
Jun 1944–May 1947 36-Month	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	36th Coolest	Coolest since: 1946	1917
	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1945	2017
	Ties: 1911, 1923, 1925
Jun 1943–May 1947 48-Month	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	19th Coolest	Coolest since: 1945	1917
	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	106th Warmest	Warmest since: 1946	2018
	Ties: 1901, 1908, 1910, 1924, 1932, 1948, 1975, 1976
Jun 1942–May 1947 60-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	45th Coolest	Coolest since: 1946	1917
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	79th Warmest	Warmest since: 1944	2018
	Ties: 1967, 1979

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings