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 1984

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1984 1-Month	65.3°F (18.5°C)	60.7°F (15.9°C)	4.6°F (2.6°C)	123rd Coolest	Coolest since: 1983	1977
May 1984 1-Month	65.3°F (18.5°C)	60.7°F (15.9°C)	4.6°F (2.6°C)	6th Warmest	Warmest since: 1931	2001
Apr–May 1984 2-Month	59.1°F (15.1°C)	57.4°F (14.1°C)	1.7°F (1.0°C)	95th Coolest	Coolest since: 1983	1967
	59.1°F (15.1°C)	57.4°F (14.1°C)	1.7°F (1.0°C)	34th Warmest	Warmest since: 1981	1992
	Ties: 1959, 1973, 2022
Mar–May 1984 3-Month	56.7°F (13.7°C)	54.5°F (12.5°C)	2.2°F (1.2°C)	101st Coolest	Coolest since: 1983	1917
	56.7°F (13.7°C)	54.5°F (12.5°C)	2.2°F (1.2°C)	28th Warmest	Warmest since: 1972	1934
	Ties: 1959, 1994, 2009
Feb–May 1984 4-Month	54.1°F (12.3°C)	52.2°F (11.2°C)	1.9°F (1.1°C)	106th Coolest	Coolest since: 1983	1917
	54.1°F (12.3°C)	52.2°F (11.2°C)	1.9°F (1.1°C)	23rd Warmest	Warmest since: 1972	1934
	Ties: 2001
Jan–May 1984 5-Month	52.3°F (11.3°C)	50.2°F (10.1°C)	2.1°F (1.2°C)	107th Coolest	Coolest since: 1983	1917
	52.3°F (11.3°C)	50.2°F (10.1°C)	2.1°F (1.2°C)	22nd Warmest	Warmest since: 1981	2015
	Ties: 1981, 2012
Dec 1983–May 1984 6-Month	51.2°F (10.7°C)	49.1°F (9.5°C)	2.1°F (1.2°C)	109th Coolest	Coolest since: 1983	1917
	51.2°F (10.7°C)	49.1°F (9.5°C)	2.1°F (1.2°C)	19th Warmest	Warmest since: 1981	2015
	Ties: 2007
Nov 1983–May 1984 7-Month	50.9°F (10.5°C)	49.1°F (9.5°C)	1.8°F (1.0°C)	107th Coolest	Coolest since: 1983	1917
	50.9°F (10.5°C)	49.1°F (9.5°C)	1.8°F (1.0°C)	21st Warmest	Warmest since: 1981	2015
	Ties: 1931
Oct 1983–May 1984 8-Month	52.2°F (11.2°C)	50.4°F (10.2°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 1983	1917
Oct 1983–May 1984 8-Month	52.2°F (11.2°C)	50.4°F (10.2°C)	1.8°F (1.0°C)	20th Warmest	Warmest since: 1981	2015
Sep 1983–May 1984 9-Month	54.3°F (12.4°C)	52.4°F (11.3°C)	1.9°F (1.1°C)	110th Coolest	Coolest since: 1983	1917
	54.3°F (12.4°C)	52.4°F (11.3°C)	1.9°F (1.1°C)	18th Warmest	Warmest since: 1981	2015
	Ties: 2020
Aug 1983–May 1984 10-Month	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	108th Coolest	Coolest since: 1983	1917
	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	20th Warmest	Warmest since: 1981	2015
	Ties: 2002
Jul 1983–May 1984 11-Month	57.6°F (14.2°C)	56.4°F (13.6°C)	1.2°F (0.6°C)	100th Coolest	Coolest since: 1983	1917
	57.6°F (14.2°C)	56.4°F (13.6°C)	1.2°F (0.6°C)	28th Warmest	Warmest since: 1981	2015
	Ties: 2006
Jun 1983–May 1984 12-Month	58.5°F (14.7°C)	57.4°F (14.1°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1983	1917
	58.5°F (14.7°C)	57.4°F (14.1°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1981	2015
	Ties: 2012
Dec 1982–May 1984 18-Month	55.3°F (12.9°C)	54.6°F (12.6°C)	0.7°F (0.3°C)	85th Coolest	Coolest since: 1983	1917
	55.3°F (12.9°C)	54.6°F (12.6°C)	0.7°F (0.3°C)	42nd Warmest	Warmest since: 1982	2015
	Ties: 1931, 1990, 1995
Jun 1982–May 1984 24-Month	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	68th Coolest	Coolest since: 1983	1913, 1917
	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	59th Warmest	Warmest since: 1982	2015
	Ties: 1905, 1919, 1947, 1952, 1970, 1971, 1980
Jun 1981–May 1984 36-Month	57.7°F (14.3°C)	57.4°F (14.1°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1979	1913, 1917
	57.7°F (14.3°C)	57.4°F (14.1°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1983	2016
	Ties: 1928, 1963, 1978
Jun 1980–May 1984 48-Month	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1983	1913
	58.0°F (14.4°C)	57.4°F (14.1°C)	0.6°F (0.3°C)	40th Warmest	Warmest since: 1982	2016, 2017, 2018
	Ties: 1937, 1960, 1982
Jun 1979–May 1984 60-Month	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	84th Coolest	Coolest since: 1983	1913, 1917
	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	40th Warmest	Warmest since: 1982	2018
	Ties: 1938, 1941

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings