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.

California River Basin

Average Temperature Rankings, May 1933

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1933 1-Month	55.4°F (13.0°C)	60.7°F (15.9°C)	-5.3°F (-2.9°C)	3rd Coolest	Coolest to Date	1977
	55.4°F (13.0°C)	60.7°F (15.9°C)	-5.3°F (-2.9°C)	126th Warmest	Warmest since: 1932	2001
	Ties: 1953
Apr–May 1933 2-Month	54.1°F (12.3°C)	57.4°F (14.1°C)	-3.3°F (-1.8°C)	7th Coolest	Coolest since: 1917	1967
	54.1°F (12.3°C)	57.4°F (14.1°C)	-3.3°F (-1.8°C)	122nd Warmest	Warmest since: 1932	1992
	Ties: 1953
Mar–May 1933 3-Month	52.3°F (11.3°C)	54.5°F (12.5°C)	-2.2°F (-1.2°C)	12th Coolest	Coolest since: 1922	1917
	52.3°F (11.3°C)	54.5°F (12.5°C)	-2.2°F (-1.2°C)	117th Warmest	Warmest since: 1932	1934
	Ties: 1964, 2010
Feb–May 1933 4-Month	49.2°F (9.6°C)	52.2°F (11.2°C)	-3.0°F (-1.6°C)	2nd Coolest	Coolest since: 1917	1917
	49.2°F (9.6°C)	52.2°F (11.2°C)	-3.0°F (-1.6°C)	127th Warmest	Warmest since: 1932	1934
	Ties: 1948
Jan–May 1933 5-Month	47.0°F (8.3°C)	50.2°F (10.1°C)	-3.2°F (-1.8°C)	2nd Coolest	Coolest since: 1922	1917
	47.0°F (8.3°C)	50.2°F (10.1°C)	-3.2°F (-1.8°C)	127th Warmest	Warmest since: 1932	2015
	Ties: 1922
Dec 1932–May 1933 6-Month	45.6°F (7.6°C)	49.1°F (9.5°C)	-3.5°F (-1.9°C)	2nd Coolest	Coolest since: 1917	1917
Dec 1932–May 1933 6-Month	45.6°F (7.6°C)	49.1°F (9.5°C)	-3.5°F (-1.9°C)	126th Warmest	Warmest since: 1932	2015
Nov 1932–May 1933 7-Month	46.7°F (8.2°C)	49.1°F (9.5°C)	-2.4°F (-1.3°C)	3rd Coolest	Coolest since: 1917	1917
Nov 1932–May 1933 7-Month	46.7°F (8.2°C)	49.1°F (9.5°C)	-2.4°F (-1.3°C)	125th Warmest	Warmest since: 1932	2015
Oct 1932–May 1933 8-Month	48.3°F (9.1°C)	50.4°F (10.2°C)	-2.1°F (-1.1°C)	3rd Coolest	Coolest since: 1917	1917
Oct 1932–May 1933 8-Month	48.3°F (9.1°C)	50.4°F (10.2°C)	-2.1°F (-1.1°C)	125th Warmest	Warmest since: 1932	2015
Sep 1932–May 1933 9-Month	50.8°F (10.4°C)	52.4°F (11.3°C)	-1.6°F (-0.9°C)	6th Coolest	Coolest since: 1932	1917
	50.8°F (10.4°C)	52.4°F (11.3°C)	-1.6°F (-0.9°C)	122nd Warmest	Warmest since: 1932	2015
	Ties: 1921, 1932, 1955
Aug 1932–May 1933 10-Month	53.0°F (11.7°C)	54.6°F (12.6°C)	-1.6°F (-0.9°C)	7th Coolest	Coolest since: 1917	1917
Aug 1932–May 1933 10-Month	53.0°F (11.7°C)	54.6°F (12.6°C)	-1.6°F (-0.9°C)	121st Warmest	Warmest since: 1932	2015
Jul 1932–May 1933 11-Month	54.9°F (12.7°C)	56.4°F (13.6°C)	-1.5°F (-0.9°C)	7th Coolest	Coolest since: 1917	1917
	54.9°F (12.7°C)	56.4°F (13.6°C)	-1.5°F (-0.9°C)	121st Warmest	Warmest since: 1932	2015
	Ties: 1948
Jun 1932–May 1933 12-Month	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	9th Coolest	Coolest since: 1921	1917
	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	119th Warmest	Warmest since: 1932	2015
	Ties: 1942
Dec 1931–May 1933 18-Month	53.3°F (11.8°C)	54.6°F (12.6°C)	-1.3°F (-0.8°C)	6th Coolest	Coolest since: 1917	1917
Dec 1931–May 1933 18-Month	53.3°F (11.8°C)	54.6°F (12.6°C)	-1.3°F (-0.8°C)	121st Warmest	Warmest since: 1932	2015
Jun 1931–May 1933 24-Month	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	10th Coolest	Coolest since: 1922	1913, 1917
	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	117th Warmest	Warmest since: 1932	2015
	Ties: 1903
Jun 1930–May 1933 36-Month	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	24th Coolest	Coolest since: 1924	1913, 1917
	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	102nd Warmest	Warmest since: 1932	2016
	Ties: 1900, 1905, 1951, 1966, 1973, 1975
Jun 1929–May 1933 48-Month	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1925	1913
	57.2°F (14.0°C)	57.4°F (14.1°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1932	2016, 2017, 2018
	Ties: 1907, 1946, 1973
Jun 1928–May 1933 60-Month	57.0°F (13.9°C)	57.3°F (14.1°C)	-0.3°F (-0.2°C)	33rd Coolest	Coolest since: 1925	1913, 1917
	57.0°F (13.9°C)	57.3°F (14.1°C)	-0.3°F (-0.2°C)	91st Warmest	Warmest since: 1932	2018
	Ties: 1908, 1946, 1957, 1975, 1976, 1977

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings