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 1989

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
May 1989 1-Month	61.5°F (16.4°C)	60.7°F (15.9°C)	0.8°F (0.5°C)	73rd Coolest	Coolest since: 1988	1977
	61.5°F (16.4°C)	60.7°F (15.9°C)	0.8°F (0.5°C)	57th Warmest	Warmest since: 1987	2001
	Ties: 1925, 2002
Apr–May 1989 2-Month	60.8°F (16.0°C)	57.4°F (14.1°C)	3.4°F (1.9°C)	120th Coolest	Coolest since: 1988	1967
	60.8°F (16.0°C)	57.4°F (14.1°C)	3.4°F (1.9°C)	10th Warmest	Warmest since: 1987	1992
	Ties: 1966
Mar–May 1989 3-Month	57.7°F (14.3°C)	54.5°F (12.5°C)	3.2°F (1.8°C)	118th Coolest	Coolest since: 1988	1917
	57.7°F (14.3°C)	54.5°F (12.5°C)	3.2°F (1.8°C)	12th Warmest	Warmest since: 1934	1934
	Ties: 2001
Feb–May 1989 4-Month	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	105th Coolest	Coolest since: 1988	1917
	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	25th Warmest	Warmest since: 1987	1934
	Ties: 1910, 1954
Jan–May 1989 5-Month	51.4°F (10.8°C)	50.2°F (10.1°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 1985	1917
	51.4°F (10.8°C)	50.2°F (10.1°C)	1.2°F (0.7°C)	39th Warmest	Warmest since: 1988	2015
	Ties: 1972, 1978
Dec 1988–May 1989 6-Month	49.9°F (9.9°C)	49.1°F (9.5°C)	0.8°F (0.4°C)	84th Coolest	Coolest since: 1988	1917
	49.9°F (9.9°C)	49.1°F (9.5°C)	0.8°F (0.4°C)	45th Warmest	Warmest since: 1988	2015
	Ties: 1951, 1988, 2002
Nov 1988–May 1989 7-Month	49.9°F (9.9°C)	49.1°F (9.5°C)	0.8°F (0.4°C)	80th Coolest	Coolest since: 1988	1917
	49.9°F (9.9°C)	49.1°F (9.5°C)	0.8°F (0.4°C)	49th Warmest	Warmest since: 1987	2015
	Ties: 1905
Oct 1988–May 1989 8-Month	51.7°F (10.9°C)	50.4°F (10.2°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 1988	1917
	51.7°F (10.9°C)	50.4°F (10.2°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 1987	2015
	Ties: 1943, 2012
Sep 1988–May 1989 9-Month	53.7°F (12.1°C)	52.4°F (11.3°C)	1.3°F (0.8°C)	103rd Coolest	Coolest since: 1988	1917
	53.7°F (12.1°C)	52.4°F (11.3°C)	1.3°F (0.8°C)	26th Warmest	Warmest since: 1984	2015
	Ties: 1954
Aug 1988–May 1989 10-Month	55.8°F (13.2°C)	54.6°F (12.6°C)	1.2°F (0.6°C)	102nd Coolest	Coolest since: 1988	1917
	55.8°F (13.2°C)	54.6°F (12.6°C)	1.2°F (0.6°C)	27th Warmest	Warmest since: 1984	2015
	Ties: 2019
Jul 1988–May 1989 11-Month	57.7°F (14.3°C)	56.4°F (13.6°C)	1.3°F (0.7°C)	103rd Coolest	Coolest since: 1988	1917
	57.7°F (14.3°C)	56.4°F (13.6°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 1981	2015
	Ties: 1978
Jun 1988–May 1989 12-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	105th Coolest	Coolest since: 1988	1917
	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	24th Warmest	Warmest since: 1986	2015
	Ties: 1968, 1981, 1986, 2023
Dec 1987–May 1989 18-Month	55.7°F (13.2°C)	54.6°F (12.6°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 1988	1917
	55.7°F (13.2°C)	54.6°F (12.6°C)	1.1°F (0.6°C)	32nd Warmest	Warmest since: 1988	2015
	Ties: 1988, 2000, 2006
Jun 1987–May 1989 24-Month	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	99th Coolest	Coolest since: 1988	1913, 1917
	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	29th Warmest	Warmest since: 1987	2015
	Ties: 1940, 1959, 1981, 1982, 1987
Jun 1986–May 1989 36-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1988	1913, 1917
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	32nd Warmest	Warmest since: 1988	2016
	Ties: 1940, 1982, 1988, 1990
Jun 1985–May 1989 48-Month	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	104th Coolest	Coolest since: 1988	1913
	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	22nd Warmest	Warmest to Date	2016, 2017, 2018
	Ties: 1995, 1996, 1999, 2002, 2012, 2013
Jun 1984–May 1989 60-Month	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1988	1913, 1917
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	32nd Warmest	Warmest since: 1988	2018
	Ties: 1988, 1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings