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 1937

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1937 1-Month	62.7°F (17.1°C)	60.7°F (15.9°C)	2.0°F (1.2°C)	94th Coolest	Coolest since: 1935	1977
	62.7°F (17.1°C)	60.7°F (15.9°C)	2.0°F (1.2°C)	35th Warmest	Warmest since: 1936	2001
	Ties: 1970
Apr–May 1937 2-Month	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 1935	1967
	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1936	1992
	Ties: 2005
Mar–May 1937 3-Month	54.4°F (12.4°C)	54.5°F (12.5°C)	-0.1°F (-0.1°C)	61st Coolest	Coolest since: 1935	1917
	54.4°F (12.4°C)	54.5°F (12.5°C)	-0.1°F (-0.1°C)	68th Warmest	Warmest since: 1936	1934
	Ties: 1930, 1973, 1974
Feb–May 1937 4-Month	51.4°F (10.8°C)	52.2°F (11.2°C)	-0.8°F (-0.4°C)	38th Coolest	Coolest since: 1935	1917
	51.4°F (10.8°C)	52.2°F (11.2°C)	-0.8°F (-0.4°C)	91st Warmest	Warmest since: 1936	1934
	Ties: 1923, 1969, 1977
Jan–May 1937 5-Month	47.5°F (8.6°C)	50.2°F (10.1°C)	-2.7°F (-1.5°C)	6th Coolest	Coolest since: 1933	1917
Jan–May 1937 5-Month	47.5°F (8.6°C)	50.2°F (10.1°C)	-2.7°F (-1.5°C)	123rd Warmest	Warmest since: 1936	2015
Dec 1936–May 1937 6-Month	46.6°F (8.1°C)	49.1°F (9.5°C)	-2.5°F (-1.4°C)	5th Coolest	Coolest since: 1933	1917
Dec 1936–May 1937 6-Month	46.6°F (8.1°C)	49.1°F (9.5°C)	-2.5°F (-1.4°C)	123rd Warmest	Warmest since: 1936	2015
Nov 1936–May 1937 7-Month	47.2°F (8.4°C)	49.1°F (9.5°C)	-1.9°F (-1.1°C)	6th Coolest	Coolest since: 1933	1917
	47.2°F (8.4°C)	49.1°F (9.5°C)	-1.9°F (-1.1°C)	122nd Warmest	Warmest since: 1936	2015
	Ties: 1922, 1955
Oct 1936–May 1937 8-Month	48.9°F (9.4°C)	50.4°F (10.2°C)	-1.5°F (-0.8°C)	11th Coolest	Coolest since: 1933	1917
	48.9°F (9.4°C)	50.4°F (10.2°C)	-1.5°F (-0.8°C)	117th Warmest	Warmest since: 1936	2015
	Ties: 1921, 1922
Sep 1936–May 1937 9-Month	51.1°F (10.6°C)	52.4°F (11.3°C)	-1.3°F (-0.7°C)	14th Coolest	Coolest since: 1933	1917
	51.1°F (10.6°C)	52.4°F (11.3°C)	-1.3°F (-0.7°C)	114th Warmest	Warmest since: 1936	2015
	Ties: 1898, 1942, 1948
Aug 1936–May 1937 10-Month	53.5°F (11.9°C)	54.6°F (12.6°C)	-1.1°F (-0.7°C)	17th Coolest	Coolest since: 1933	1917
	53.5°F (11.9°C)	54.6°F (12.6°C)	-1.1°F (-0.7°C)	111th Warmest	Warmest since: 1936	2015
	Ties: 1901, 1909
Jul 1936–May 1937 11-Month	55.6°F (13.1°C)	56.4°F (13.6°C)	-0.8°F (-0.5°C)	22nd Coolest	Coolest since: 1933	1917
	55.6°F (13.1°C)	56.4°F (13.6°C)	-0.8°F (-0.5°C)	106th Warmest	Warmest since: 1936	2015
	Ties: 1909, 1964, 1975
Jun 1936–May 1937 12-Month	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	29th Coolest	Coolest since: 1933	1917
	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	99th Warmest	Warmest since: 1936	2015
	Ties: 1899, 1910
Dec 1935–May 1937 18-Month	54.7°F (12.6°C)	54.6°F (12.6°C)	0.1°F (0.0°C)	66th Coolest	Coolest since: 1933	1917
	54.7°F (12.6°C)	54.6°F (12.6°C)	0.1°F (0.0°C)	61st Warmest	Warmest since: 1936	2015
	Ties: 1947, 1970, 1971
Jun 1935–May 1937 24-Month	57.4°F (14.1°C)	57.4°F (14.1°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1933	1913, 1917
	57.4°F (14.1°C)	57.4°F (14.1°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1936	2015
	Ties: 1926, 1932, 1938, 1944, 1963, 1983
Jun 1934–May 1937 36-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 1933	1913, 1917
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	74th Warmest	Warmest since: 1936	2016
	Ties: 1926, 1930, 1954, 1971
Jun 1933–May 1937 48-Month	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1936	1913
	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	40th Warmest	Warmest to Date	2016, 2017, 2018
	Ties: 1960, 1982, 1984
Jun 1932–May 1937 60-Month	57.6°F (14.2°C)	57.3°F (14.1°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1936	1913, 1917
	57.6°F (14.2°C)	57.3°F (14.1°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1936	2018
	Ties: 1935, 1936, 1964, 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings