Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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, June 1989

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1989 1-Month	69.5°F (20.8°C)	68.3°F (20.2°C)	1.2°F (0.6°C)	85th Coolest	Coolest since: 1988	1923
	69.5°F (20.8°C)	68.3°F (20.2°C)	1.2°F (0.6°C)	44th Warmest	Warmest since: 1987	2021
	Ties: 1936
May–Jun 1989 2-Month	65.5°F (18.6°C)	64.5°F (18.1°C)	1.0°F (0.5°C)	79th Coolest	Coolest since: 1988	1953
May–Jun 1989 2-Month	65.5°F (18.6°C)	64.5°F (18.1°C)	1.0°F (0.5°C)	50th Warmest	Warmest since: 1987	2001
Apr–Jun 1989 3-Month	63.7°F (17.6°C)	61.0°F (16.1°C)	2.7°F (1.5°C)	111th Coolest	Coolest since: 1988	1967, 1998
Apr–Jun 1989 3-Month	63.7°F (17.6°C)	61.0°F (16.1°C)	2.7°F (1.5°C)	18th Warmest	Warmest since: 1987	2021
Mar–Jun 1989 4-Month	60.7°F (15.9°C)	58.0°F (14.4°C)	2.7°F (1.5°C)	112th Coolest	Coolest since: 1988	1917
Mar–Jun 1989 4-Month	60.7°F (15.9°C)	58.0°F (14.4°C)	2.7°F (1.5°C)	17th Warmest	Warmest since: 1940	2015
Feb–Jun 1989 5-Month	57.1°F (13.9°C)	55.4°F (13.0°C)	1.7°F (0.9°C)	103rd Coolest	Coolest since: 1988	1917
	57.1°F (13.9°C)	55.4°F (13.0°C)	1.7°F (0.9°C)	26th Warmest	Warmest since: 1987	2015
	Ties: 2002
Jan–Jun 1989 6-Month	54.4°F (12.4°C)	53.3°F (11.8°C)	1.1°F (0.6°C)	92nd Coolest	Coolest since: 1988	1917
	54.4°F (12.4°C)	53.3°F (11.8°C)	1.1°F (0.6°C)	37th Warmest	Warmest since: 1988	2015
	Ties: 1924, 1961, 1968, 1978, 1988
Dec 1988–Jun 1989 7-Month	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1988	1917
	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1987	2015
	Ties: 1928, 1930, 1954, 1961
Nov 1988–Jun 1989 8-Month	52.3°F (11.3°C)	51.5°F (10.8°C)	0.8°F (0.5°C)	82nd Coolest	Coolest since: 1988	1917
	52.3°F (11.3°C)	51.5°F (10.8°C)	0.8°F (0.5°C)	46th Warmest	Warmest since: 1987	2015
	Ties: 1947
Oct 1988–Jun 1989 9-Month	53.7°F (12.1°C)	52.4°F (11.3°C)	1.3°F (0.8°C)	99th Coolest	Coolest since: 1988	1917
	53.7°F (12.1°C)	52.4°F (11.3°C)	1.3°F (0.8°C)	29th Warmest	Warmest since: 1987	2015
	Ties: 1951, 1994, 2012
Sep 1988–Jun 1989 10-Month	55.3°F (12.9°C)	54.0°F (12.2°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1988	1917
	55.3°F (12.9°C)	54.0°F (12.2°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 1984	2015
	Ties: 1994, 2006, 2019
Aug 1988–Jun 1989 11-Month	57.0°F (13.9°C)	55.8°F (13.2°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 1988	1917
Aug 1988–Jun 1989 11-Month	57.0°F (13.9°C)	55.8°F (13.2°C)	1.2°F (0.7°C)	29th Warmest	Warmest since: 1984	2015
Jul 1988–Jun 1989 12-Month	58.7°F (14.8°C)	57.3°F (14.1°C)	1.4°F (0.7°C)	102nd Coolest	Coolest since: 1988	1917
	58.7°F (14.8°C)	57.3°F (14.1°C)	1.4°F (0.7°C)	26th Warmest	Warmest since: 1981	2015
	Ties: 2012
Jan 1988–Jun 1989 18-Month	57.3°F (14.1°C)	56.0°F (13.3°C)	1.3°F (0.8°C)	102nd Coolest	Coolest since: 1988	1917
	57.3°F (14.1°C)	56.0°F (13.3°C)	1.3°F (0.8°C)	26th Warmest	Warmest since: 1987	2015
	Ties: 1960, 1981, 2008
Jul 1987–Jun 1989 24-Month	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	96th Coolest	Coolest since: 1988	1913
	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	31st Warmest	Warmest since: 1982	2015
	Ties: 1959, 1990, 2006
Jul 1986–Jun 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)	31st Warmest	Warmest since: 1986	2016
	Ties: 1941, 1986
Jul 1985–Jun 1989 48-Month	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	95th Coolest	Coolest since: 1988	1913
	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	30th Warmest	Warmest since: 1962	2016
	Ties: 1962, 1993
Jul 1984–Jun 1989 60-Month	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1988	1913, 1917
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 1988	2018
	Ties: 1988, 1995, 1999, 2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings