Regional Rankings

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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.

California River Basin

Average Temperature Rankings, May 1943

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
May 1943 1-Month	62.2°F (16.8°C)	60.7°F (15.9°C)	1.5°F (0.9°C)	86th Coolest	Coolest since: 1942	1977
	62.2°F (16.8°C)	60.7°F (15.9°C)	1.5°F (0.9°C)	44th Warmest	Warmest since: 1941	2001
	Ties: 1941, 1986, 2016
Apr–May 1943 2-Month	59.0°F (15.0°C)	57.4°F (14.1°C)	1.6°F (0.9°C)	92nd Coolest	Coolest since: 1942	1967
	59.0°F (15.0°C)	57.4°F (14.1°C)	1.6°F (0.9°C)	38th Warmest	Warmest since: 1940	1992
	Ties: 1928
Mar–May 1943 3-Month	56.1°F (13.4°C)	54.5°F (12.5°C)	1.6°F (0.9°C)	91st Coolest	Coolest since: 1942	1917
Mar–May 1943 3-Month	56.1°F (13.4°C)	54.5°F (12.5°C)	1.6°F (0.9°C)	39th Warmest	Warmest since: 1940	1934
Feb–May 1943 4-Month	53.8°F (12.1°C)	52.2°F (11.2°C)	1.6°F (0.9°C)	98th Coolest	Coolest since: 1942	1917
	53.8°F (12.1°C)	52.2°F (11.2°C)	1.6°F (0.9°C)	32nd Warmest	Warmest since: 1940	1934
	Ties: 1924, 1936, 1968, 2012
Jan–May 1943 5-Month	51.7°F (10.9°C)	50.2°F (10.1°C)	1.5°F (0.8°C)	98th Coolest	Coolest since: 1942	1917
	51.7°F (10.9°C)	50.2°F (10.1°C)	1.5°F (0.8°C)	32nd Warmest	Warmest since: 1940	2015
	Ties: 1900, 1914, 1954, 1988, 2001
Dec 1942–May 1943 6-Month	50.5°F (10.3°C)	49.1°F (9.5°C)	1.4°F (0.8°C)	99th Coolest	Coolest since: 1942	1917
	50.5°F (10.3°C)	49.1°F (9.5°C)	1.4°F (0.8°C)	30th Warmest	Warmest since: 1940	2015
	Ties: 1987, 2003
Nov 1942–May 1943 7-Month	50.5°F (10.3°C)	49.1°F (9.5°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1942	1917
	50.5°F (10.3°C)	49.1°F (9.5°C)	1.4°F (0.8°C)	28th Warmest	Warmest since: 1940	2015
	Ties: 1954
Oct 1942–May 1943 8-Month	51.7°F (10.9°C)	50.4°F (10.2°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 1942	1917
	51.7°F (10.9°C)	50.4°F (10.2°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 1940	2015
	Ties: 1989, 2012
Sep 1942–May 1943 9-Month	53.5°F (11.9°C)	52.4°F (11.3°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 1942	1917
	53.5°F (11.9°C)	52.4°F (11.3°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1940	2015
	Ties: 2019
Aug 1942–May 1943 10-Month	55.5°F (13.1°C)	54.6°F (12.6°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1942	1917
	55.5°F (13.1°C)	54.6°F (12.6°C)	0.9°F (0.5°C)	32nd Warmest	Warmest since: 1940	2015
	Ties: 1930, 1954, 1993, 1994, 2006
Jul 1942–May 1943 11-Month	57.4°F (14.1°C)	56.4°F (13.6°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1942	1917
	57.4°F (14.1°C)	56.4°F (13.6°C)	1.0°F (0.5°C)	31st Warmest	Warmest since: 1940	2015
	Ties: 1954
Jun 1942–May 1943 12-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	98th Coolest	Coolest since: 1942	1917
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1940	2015
	Ties: 1951, 1960, 1961, 2001, 2006
Dec 1941–May 1943 18-Month	54.8°F (12.7°C)	54.6°F (12.6°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1942	1917
	54.8°F (12.7°C)	54.6°F (12.6°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1941	2015
	Ties: 1905, 1932, 1936, 1939, 1954, 1980
Jun 1941–May 1943 24-Month	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1942	1913, 1917
	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1941	2015
	Ties: 1900, 1906, 1915, 1966
Jun 1940–May 1943 36-Month	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	65th Coolest	Coolest since: 1939	1913, 1917
	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	62nd Warmest	Warmest since: 1942	2016
	Ties: 1927, 1939, 1969, 1985
Jun 1939–May 1943 48-Month	57.9°F (14.4°C)	57.4°F (14.1°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 1942	1913
	57.9°F (14.4°C)	57.4°F (14.1°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1941	2016, 2017, 2018
	Ties: 1940, 1983, 2001
Jun 1938–May 1943 60-Month	57.9°F (14.4°C)	57.3°F (14.1°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1942	1913, 1917
	57.9°F (14.4°C)	57.3°F (14.1°C)	0.6°F (0.3°C)	44th Warmest	Warmest since: 1941	2018
	Ties: 1940, 1960, 1981, 1985, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings