Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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 1934

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1934 1-Month	64.5°F (18.1°C)	60.7°F (15.9°C)	3.8°F (2.2°C)	116th Coolest	Coolest since: 1933	1977
	64.5°F (18.1°C)	60.7°F (15.9°C)	3.8°F (2.2°C)	13th Warmest	Warmest since: 1931	2001
	Ties: 2021
Apr–May 1934 2-Month	62.2°F (16.8°C)	57.4°F (14.1°C)	4.8°F (2.7°C)	127th Coolest	Coolest since: 1933	1967
Apr–May 1934 2-Month	62.2°F (16.8°C)	57.4°F (14.1°C)	4.8°F (2.7°C)	2nd Warmest	Warmest to Date	1992
Mar–May 1934 3-Month	60.5°F (15.8°C)	54.5°F (12.5°C)	6.0°F (3.3°C)	128th Coolest	Coolest since: 1933	1917
Mar–May 1934 3-Month	60.5°F (15.8°C)	54.5°F (12.5°C)	6.0°F (3.3°C)	1st Warmest	Warmest to Date	1934
Feb–May 1934 4-Month	57.5°F (14.2°C)	52.2°F (11.2°C)	5.3°F (3.0°C)	128th Coolest	Coolest since: 1933	1917
Feb–May 1934 4-Month	57.5°F (14.2°C)	52.2°F (11.2°C)	5.3°F (3.0°C)	1st Warmest	Warmest to Date	1934
Jan–May 1934 5-Month	55.1°F (12.8°C)	50.3°F (10.2°C)	4.8°F (2.6°C)	127th Coolest	Coolest since: 1933	1917
	55.1°F (12.8°C)	50.3°F (10.2°C)	4.8°F (2.6°C)	2nd Warmest	Warmest to Date	2015
	Ties: 2014
Dec 1933–May 1934 6-Month	53.2°F (11.8°C)	49.1°F (9.5°C)	4.1°F (2.3°C)	125th Coolest	Coolest since: 1933	1917
Dec 1933–May 1934 6-Month	53.2°F (11.8°C)	49.1°F (9.5°C)	4.1°F (2.3°C)	3rd Warmest	Warmest to Date	2015
Nov 1933–May 1934 7-Month	53.0°F (11.7°C)	49.2°F (9.6°C)	3.8°F (2.1°C)	125th Coolest	Coolest since: 1933	1917
Nov 1933–May 1934 7-Month	53.0°F (11.7°C)	49.2°F (9.6°C)	3.8°F (2.1°C)	3rd Warmest	Warmest to Date	2015
Oct 1933–May 1934 8-Month	54.4°F (12.4°C)	50.5°F (10.3°C)	3.9°F (2.1°C)	126th Coolest	Coolest since: 1933	1917
Oct 1933–May 1934 8-Month	54.4°F (12.4°C)	50.5°F (10.3°C)	3.9°F (2.1°C)	2nd Warmest	Warmest to Date	2015
Sep 1933–May 1934 9-Month	55.7°F (13.2°C)	52.4°F (11.3°C)	3.3°F (1.9°C)	126th Coolest	Coolest since: 1933	1917
	55.7°F (13.2°C)	52.4°F (11.3°C)	3.3°F (1.9°C)	2nd Warmest	Warmest to Date	2015
	Ties: 1992, 1996
Aug 1933–May 1934 10-Month	57.7°F (14.3°C)	54.6°F (12.6°C)	3.1°F (1.7°C)	125th Coolest	Coolest since: 1933	1917
Aug 1933–May 1934 10-Month	57.7°F (14.3°C)	54.6°F (12.6°C)	3.1°F (1.7°C)	3rd Warmest	Warmest to Date	2015
Jul 1933–May 1934 11-Month	59.4°F (15.2°C)	56.3°F (13.5°C)	3.1°F (1.7°C)	125th Coolest	Coolest since: 1933	1917
	59.4°F (15.2°C)	56.3°F (13.5°C)	3.1°F (1.7°C)	3rd Warmest	Warmest to Date	2015
	Ties: 2018
Jun 1933–May 1934 12-Month	60.1°F (15.6°C)	57.4°F (14.1°C)	2.7°F (1.5°C)	121st Coolest	Coolest since: 1933	1917
Jun 1933–May 1934 12-Month	60.1°F (15.6°C)	57.4°F (14.1°C)	2.7°F (1.5°C)	7th Warmest	Warmest to Date	2015
Dec 1932–May 1934 18-Month	55.2°F (12.9°C)	54.6°F (12.6°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1933	1917
	55.2°F (12.9°C)	54.6°F (12.6°C)	0.6°F (0.3°C)	46th Warmest	Warmest since: 1931	2015
	Ties: 1961
Jun 1932–May 1934 24-Month	58.1°F (14.5°C)	57.4°F (14.1°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1933	1913, 1917
	58.1°F (14.5°C)	57.4°F (14.1°C)	0.7°F (0.4°C)	39th Warmest	Warmest to Date	2015
	Ties: 1994, 2012
Jun 1931–May 1934 36-Month	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1933	1913, 1917
	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1932	2016
	Ties: 1932, 1938, 1968, 1979
Jun 1930–May 1934 48-Month	57.7°F (14.3°C)	57.3°F (14.1°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1933	1913
	57.7°F (14.3°C)	57.3°F (14.1°C)	0.4°F (0.2°C)	53rd Warmest	Warmest to Date	2016, 2017, 2018
	Ties: 1970, 1980, 1985
Jun 1929–May 1934 60-Month	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1933	1913, 1917
	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	48th Warmest	Warmest to Date	2018
	Ties: 1942, 1960, 1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings