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 1910

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1910 1-Month	63.9°F (17.7°C)	60.7°F (15.9°C)	3.2°F (1.8°C)	110th Coolest	Coolest since: 1909	1977
	63.9°F (17.7°C)	60.7°F (15.9°C)	3.2°F (1.8°C)	19th Warmest	Warmest to Date	2001
	Ties: 2000, 2012
Apr–May 1910 2-Month	60.6°F (15.9°C)	57.4°F (14.1°C)	3.2°F (1.8°C)	117th Coolest	Coolest since: 1909	1967
	60.6°F (15.9°C)	57.4°F (14.1°C)	3.2°F (1.8°C)	12th Warmest	Warmest to Date	1992
	Ties: 1947, 1954, 2020
Mar–May 1910 3-Month	57.8°F (14.3°C)	54.5°F (12.5°C)	3.3°F (1.8°C)	118th Coolest	Coolest since: 1909	1917
Mar–May 1910 3-Month	57.8°F (14.3°C)	54.5°F (12.5°C)	3.3°F (1.8°C)	11th Warmest	Warmest to Date	1934
Feb–May 1910 4-Month	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	104th Coolest	Coolest since: 1909	1917
	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	25th Warmest	Warmest to Date	1934
	Ties: 1954, 1989
Jan–May 1910 5-Month	50.9°F (10.5°C)	50.2°F (10.1°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 1909	1917
	50.9°F (10.5°C)	50.2°F (10.1°C)	0.7°F (0.4°C)	52nd Warmest	Warmest since: 1905	2015
	Ties: 1958, 1966, 1980
Dec 1909–May 1910 6-Month	49.1°F (9.5°C)	49.1°F (9.5°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1909	1917
	49.1°F (9.5°C)	49.1°F (9.5°C)	0.0°F (0.0°C)	68th Warmest	Warmest since: 1905	2015
	Ties: 1938, 2008
Nov 1909–May 1910 7-Month	49.0°F (9.4°C)	49.1°F (9.5°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1909	1917
	49.0°F (9.4°C)	49.1°F (9.5°C)	-0.1°F (-0.1°C)	74th Warmest	Warmest since: 1905	2015
	Ties: 1957, 2011
Oct 1909–May 1910 8-Month	50.1°F (10.1°C)	50.4°F (10.2°C)	-0.3°F (-0.1°C)	43rd Coolest	Coolest since: 1909	1917
	50.1°F (10.1°C)	50.4°F (10.2°C)	-0.3°F (-0.1°C)	85th Warmest	Warmest since: 1908	2015
	Ties: 1897, 1902, 1908, 1925, 1935, 1957, 1974, 1991
Sep 1909–May 1910 9-Month	52.0°F (11.1°C)	52.4°F (11.3°C)	-0.4°F (-0.2°C)	39th Coolest	Coolest since: 1909	1917
	52.0°F (11.1°C)	52.4°F (11.3°C)	-0.4°F (-0.2°C)	89th Warmest	Warmest since: 1907	2015
	Ties: 1916, 1945, 1967, 1972, 1974, 1998
Aug 1909–May 1910 10-Month	54.1°F (12.3°C)	54.6°F (12.6°C)	-0.5°F (-0.3°C)	37th Coolest	Coolest since: 1909	1917
	54.1°F (12.3°C)	54.6°F (12.6°C)	-0.5°F (-0.3°C)	91st Warmest	Warmest since: 1907	2015
	Ties: 1902, 1944, 1945
Jul 1909–May 1910 11-Month	55.8°F (13.2°C)	56.4°F (13.6°C)	-0.6°F (-0.4°C)	31st Coolest	Coolest since: 1909	1917
	55.8°F (13.2°C)	56.4°F (13.6°C)	-0.6°F (-0.4°C)	97th Warmest	Warmest since: 1907	2015
	Ties: 1899, 1906, 1962, 1979
Jun 1909–May 1910 12-Month	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	29th Coolest	Coolest since: 1909	1917
	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	99th Warmest	Warmest since: 1907	2015
	Ties: 1899, 1937
Dec 1908–May 1910 18-Month	53.9°F (12.2°C)	54.6°F (12.6°C)	-0.7°F (-0.4°C)	20th Coolest	Coolest since: 1909	1917
	53.9°F (12.2°C)	54.6°F (12.6°C)	-0.7°F (-0.4°C)	107th Warmest	Warmest since: 1907	2015
	Ties: 1899, 1916, 1953
Jun 1908–May 1910 24-Month	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	15th Coolest	Coolest since: 1909	1913, 1917
	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	112th Warmest	Warmest since: 1908	2015
	Ties: 1899, 1914, 1920
Jun 1907–May 1910 36-Month	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	12th Coolest	Coolest since: 1903	1913, 1917
	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	114th Warmest	Warmest since: 1909	2016
	Ties: 1915, 1923
Jun 1906–May 1910 48-Month	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	13th Coolest	Coolest since: 1909	1913
	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	112th Warmest	Warmest since: 1909	2016, 2017, 2018
	Ties: 1904, 1909, 1924, 1949
Jun 1905–May 1910 60-Month	56.6°F (13.7°C)	57.3°F (14.1°C)	-0.7°F (-0.4°C)	12th Coolest	Coolest to Date	1913, 1917
	56.6°F (13.7°C)	57.3°F (14.1°C)	-0.7°F (-0.4°C)	112th Warmest	Warmest since: 1909	2018
	Ties: 1911, 1918, 1924

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings