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 1926

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1926 1-Month	62.4°F (16.9°C)	60.7°F (15.9°C)	1.7°F (1.0°C)	89th Coolest	Coolest since: 1925	1977
May 1926 1-Month	62.4°F (16.9°C)	60.7°F (15.9°C)	1.7°F (1.0°C)	40th Warmest	Warmest since: 1924	2001
Apr–May 1926 2-Month	60.1°F (15.6°C)	57.4°F (14.1°C)	2.7°F (1.5°C)	107th Coolest	Coolest since: 1925	1967
	60.1°F (15.6°C)	57.4°F (14.1°C)	2.7°F (1.5°C)	22nd Warmest	Warmest since: 1910	1992
	Ties: 2016, 2018
Mar–May 1926 3-Month	57.9°F (14.4°C)	54.5°F (12.5°C)	3.4°F (1.9°C)	119th Coolest	Coolest since: 1925	1917
Mar–May 1926 3-Month	57.9°F (14.4°C)	54.5°F (12.5°C)	3.4°F (1.9°C)	10th Warmest	Warmest to Date	1934
Feb–May 1926 4-Month	55.3°F (12.9°C)	52.2°F (11.2°C)	3.1°F (1.7°C)	120th Coolest	Coolest since: 1925	1917
	55.3°F (12.9°C)	52.2°F (11.2°C)	3.1°F (1.7°C)	9th Warmest	Warmest to Date	1934
	Ties: 1931, 2013
Jan–May 1926 5-Month	52.6°F (11.4°C)	50.2°F (10.1°C)	2.4°F (1.3°C)	112th Coolest	Coolest since: 1925	1917
	52.6°F (11.4°C)	50.2°F (10.1°C)	2.4°F (1.3°C)	17th Warmest	Warmest to Date	2015
	Ties: 2007, 2013
Dec 1925–May 1926 6-Month	51.3°F (10.7°C)	49.1°F (9.5°C)	2.2°F (1.2°C)	111th Coolest	Coolest since: 1925	1917
	51.3°F (10.7°C)	49.1°F (9.5°C)	2.2°F (1.2°C)	17th Warmest	Warmest to Date	2015
	Ties: 1959
Nov 1925–May 1926 7-Month	50.8°F (10.4°C)	49.1°F (9.5°C)	1.7°F (0.9°C)	105th Coolest	Coolest since: 1925	1917
	50.8°F (10.4°C)	49.1°F (9.5°C)	1.7°F (0.9°C)	23rd Warmest	Warmest to Date	2015
	Ties: 1978, 2003, 2004
Oct 1925–May 1926 8-Month	51.6°F (10.9°C)	50.4°F (10.2°C)	1.2°F (0.7°C)	96th Coolest	Coolest since: 1925	1917
	51.6°F (10.9°C)	50.4°F (10.2°C)	1.2°F (0.7°C)	32nd Warmest	Warmest to Date	2015
	Ties: 1954, 1988, 1994, 2006
Sep 1925–May 1926 9-Month	52.9°F (11.6°C)	52.4°F (11.3°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1925	1917
	52.9°F (11.6°C)	52.4°F (11.3°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1924	2015
	Ties: 1924, 1928, 1960, 1963
Aug 1925–May 1926 10-Month	54.8°F (12.7°C)	54.6°F (12.6°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1925	1917
	54.8°F (12.7°C)	54.6°F (12.6°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1924	2015
	Ties: 1924
Jul 1925–May 1926 11-Month	56.8°F (13.8°C)	56.4°F (13.6°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1925	1917
	56.8°F (13.8°C)	56.4°F (13.6°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1918	2015
	Ties: 1982, 2010
Jun 1925–May 1926 12-Month	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1925	1917
	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1918	2015
	Ties: 1905
Dec 1924–May 1926 18-Month	54.9°F (12.7°C)	54.6°F (12.6°C)	0.3°F (0.1°C)	75th Coolest	Coolest since: 1925	1917
	54.9°F (12.7°C)	54.6°F (12.6°C)	0.3°F (0.1°C)	52nd Warmest	Warmest to Date	2015
	Ties: 1979
Jun 1924–May 1926 24-Month	57.4°F (14.1°C)	57.4°F (14.1°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1925	1913, 1917
	57.4°F (14.1°C)	57.4°F (14.1°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1919	2015
	Ties: 1932, 1937, 1938, 1944, 1963, 1983
Jun 1923–May 1926 36-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 1925	1913, 1917
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	74th Warmest	Warmest to Date	2016
	Ties: 1930, 1937, 1954, 1971
Jun 1922–May 1926 48-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	49th Coolest	Coolest since: 1925	1913
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	76th Warmest	Warmest to Date	2016, 2017, 2018
	Ties: 1929, 1932, 1944, 1972
Jun 1921–May 1926 60-Month	57.1°F (13.9°C)	57.3°F (14.1°C)	-0.2°F (-0.2°C)	40th Coolest	Coolest since: 1925	1913, 1917
	57.1°F (13.9°C)	57.3°F (14.1°C)	-0.2°F (-0.2°C)	84th Warmest	Warmest to Date	2018
	Ties: 1945, 1958, 1966, 1967, 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings