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 1986

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1986 1-Month	62.2°F (16.8°C)	60.7°F (15.9°C)	1.5°F (0.9°C)	85th Coolest	Coolest since: 1985	1977
	62.2°F (16.8°C)	60.7°F (15.9°C)	1.5°F (0.9°C)	44th Warmest	Warmest since: 1984	2001
	Ties: 1941, 1943, 2016
Apr–May 1986 2-Month	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	77th Coolest	Coolest since: 1983	1967
	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	52nd Warmest	Warmest since: 1985	1992
	Ties: 2019
Mar–May 1986 3-Month	56.8°F (13.8°C)	54.5°F (12.5°C)	2.3°F (1.3°C)	105th Coolest	Coolest since: 1985	1917
	56.8°F (13.8°C)	54.5°F (12.5°C)	2.3°F (1.3°C)	24th Warmest	Warmest since: 1972	1934
	Ties: 1936, 1972, 1993
Feb–May 1986 4-Month	54.8°F (12.7°C)	52.2°F (11.2°C)	2.6°F (1.5°C)	113th Coolest	Coolest since: 1985	1917
	54.8°F (12.7°C)	52.2°F (11.2°C)	2.6°F (1.5°C)	16th Warmest	Warmest since: 1947	1934
	Ties: 2000
Jan–May 1986 5-Month	53.6°F (12.0°C)	50.2°F (10.1°C)	3.4°F (1.9°C)	122nd Coolest	Coolest since: 1985	1917
Jan–May 1986 5-Month	53.6°F (12.0°C)	50.2°F (10.1°C)	3.4°F (1.9°C)	7th Warmest	Warmest since: 1934	2015
Dec 1985–May 1986 6-Month	51.9°F (11.1°C)	49.1°F (9.5°C)	2.8°F (1.6°C)	120th Coolest	Coolest since: 1985	1917
	51.9°F (11.1°C)	49.1°F (9.5°C)	2.8°F (1.6°C)	8th Warmest	Warmest since: 1940	2015
	Ties: 1940, 2016
Nov 1985–May 1986 7-Month	51.0°F (10.6°C)	49.1°F (9.5°C)	1.9°F (1.1°C)	108th Coolest	Coolest since: 1985	1917
Nov 1985–May 1986 7-Month	51.0°F (10.6°C)	49.1°F (9.5°C)	1.9°F (1.1°C)	20th Warmest	Warmest since: 1981	2015
Oct 1985–May 1986 8-Month	52.0°F (11.1°C)	50.4°F (10.2°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 1985	1917
Oct 1985–May 1986 8-Month	52.0°F (11.1°C)	50.4°F (10.2°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1984	2015
Sep 1985–May 1986 9-Month	53.4°F (11.9°C)	52.4°F (11.3°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1985	1917
	53.4°F (11.9°C)	52.4°F (11.3°C)	1.0°F (0.6°C)	35th Warmest	Warmest since: 1984	2015
	Ties: 1914
Aug 1985–May 1986 10-Month	55.4°F (13.0°C)	54.6°F (12.6°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 1985	1917
	55.4°F (13.0°C)	54.6°F (12.6°C)	0.8°F (0.4°C)	38th Warmest	Warmest since: 1984	2015
	Ties: 1970, 1980, 1987, 2001
Jul 1985–May 1986 11-Month	57.3°F (14.1°C)	56.4°F (13.6°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1985	1917
Jul 1985–May 1986 11-Month	57.3°F (14.1°C)	56.4°F (13.6°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 1984	2015
Jun 1985–May 1986 12-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	104th Coolest	Coolest since: 1985	1917
	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	24th Warmest	Warmest since: 1981	2015
	Ties: 1968, 1981, 1989
Dec 1984–May 1986 18-Month	55.4°F (13.0°C)	54.6°F (12.6°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 1985	1917
	55.4°F (13.0°C)	54.6°F (12.6°C)	0.8°F (0.4°C)	37th Warmest	Warmest since: 1985	2015
	Ties: 1978, 1985, 2010, 2012
Jun 1984–May 1986 24-Month	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1985	1913, 1917
	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	43rd Warmest	Warmest since: 1985	2015
	Ties: 1985
Jun 1983–May 1986 36-Month	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	90th Coolest	Coolest since: 1985	1913, 1917
	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	36th Warmest	Warmest since: 1982	2016
	Ties: 2001
Jun 1982–May 1986 48-Month	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	77th Coolest	Coolest since: 1985	1913
	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	48th Warmest	Warmest since: 1984	2016, 2017, 2018
	Ties: 1936, 1942, 1959, 1963
Jun 1981–May 1986 60-Month	57.9°F (14.4°C)	57.3°F (14.1°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1985	1913, 1917
	57.9°F (14.4°C)	57.3°F (14.1°C)	0.6°F (0.3°C)	43rd Warmest	Warmest since: 1985	2018
	Ties: 1940, 1943, 1960, 1981, 1985

Citing This Page

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