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 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 2009 1-Month	67.5°F (19.7°C)	68.3°F (20.2°C)	-0.8°F (-0.5°C)	38th Coolest	Coolest since: 2005	1923
	67.5°F (19.7°C)	68.3°F (20.2°C)	-0.8°F (-0.5°C)	91st Warmest	Warmest since: 2008	2021
	Ties: 1912, 1929, 1942, 1946, 1947, 1983
May–Jun 2009 2-Month	67.1°F (19.5°C)	64.5°F (18.1°C)	2.6°F (1.4°C)	107th Coolest	Coolest since: 2008	1953
May–Jun 2009 2-Month	67.1°F (19.5°C)	64.5°F (18.1°C)	2.6°F (1.4°C)	22nd Warmest	Warmest since: 2007	2001
Apr–Jun 2009 3-Month	62.8°F (17.1°C)	61.0°F (16.1°C)	1.8°F (1.0°C)	94th Coolest	Coolest since: 2008	1967, 1998
Apr–Jun 2009 3-Month	62.8°F (17.1°C)	61.0°F (16.1°C)	1.8°F (1.0°C)	35th Warmest	Warmest since: 2007	2021
Mar–Jun 2009 4-Month	59.4°F (15.2°C)	57.9°F (14.4°C)	1.5°F (0.8°C)	90th Coolest	Coolest since: 2008	1917
	59.4°F (15.2°C)	57.9°F (14.4°C)	1.5°F (0.8°C)	39th Warmest	Warmest since: 2008	2015
	Ties: 2008, 2012
Feb–Jun 2009 5-Month	56.6°F (13.7°C)	55.4°F (13.0°C)	1.2°F (0.7°C)	89th Coolest	Coolest since: 2006	1917
Feb–Jun 2009 5-Month	56.6°F (13.7°C)	55.4°F (13.0°C)	1.2°F (0.7°C)	40th Warmest	Warmest since: 2008	2015
Jan–Jun 2009 6-Month	55.0°F (12.8°C)	53.3°F (11.8°C)	1.7°F (1.0°C)	105th Coolest	Coolest since: 2008	1917
	55.0°F (12.8°C)	53.3°F (11.8°C)	1.7°F (1.0°C)	24th Warmest	Warmest since: 2007	2015
	Ties: 1984, 1987, 1994, 2001, 2003
Dec 2008–Jun 2009 7-Month	53.1°F (11.7°C)	51.8°F (11.0°C)	1.3°F (0.7°C)	95th Coolest	Coolest since: 2008	1917
Dec 2008–Jun 2009 7-Month	53.1°F (11.7°C)	51.8°F (11.0°C)	1.3°F (0.7°C)	33rd Warmest	Warmest since: 2007	2015
Nov 2008–Jun 2009 8-Month	53.2°F (11.8°C)	51.5°F (10.8°C)	1.7°F (1.0°C)	105th Coolest	Coolest since: 2008	1917
	53.2°F (11.8°C)	51.5°F (10.8°C)	1.7°F (1.0°C)	23rd Warmest	Warmest since: 2007	2015
	Ties: 1987, 2006
Oct 2008–Jun 2009 9-Month	54.2°F (12.3°C)	52.4°F (11.3°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 2008	1917
	54.2°F (12.3°C)	52.4°F (11.3°C)	1.8°F (1.0°C)	19th Warmest	Warmest since: 2007	2015
	Ties: 1986, 2007
Sep 2008–Jun 2009 10-Month	55.9°F (13.3°C)	54.0°F (12.2°C)	1.9°F (1.1°C)	110th Coolest	Coolest since: 2008	1917
	55.9°F (13.3°C)	54.0°F (12.2°C)	1.9°F (1.1°C)	18th Warmest	Warmest since: 2004	2015
	Ties: 2020
Aug 2008–Jun 2009 11-Month	57.8°F (14.3°C)	55.8°F (13.2°C)	2.0°F (1.1°C)	111th Coolest	Coolest since: 2008	1917
	57.8°F (14.3°C)	55.8°F (13.2°C)	2.0°F (1.1°C)	17th Warmest	Warmest since: 2004	2015
	Ties: 1981, 2020
Jul 2008–Jun 2009 12-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	111th Coolest	Coolest since: 2008	1917
Jul 2008–Jun 2009 12-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	17th Warmest	Warmest since: 2004	2015
Jan 2008–Jun 2009 18-Month	57.6°F (14.2°C)	56.0°F (13.3°C)	1.6°F (0.9°C)	115th Coolest	Coolest since: 2008	1917
	57.6°F (14.2°C)	56.0°F (13.3°C)	1.6°F (0.9°C)	13th Warmest	Warmest since: 2007	2015
	Ties: 1940, 1959, 1987, 2002, 2003, 2007
Jul 2007–Jun 2009 24-Month	58.8°F (14.9°C)	57.4°F (14.1°C)	1.4°F (0.8°C)	108th Coolest	Coolest since: 2008	1913
	58.8°F (14.9°C)	57.4°F (14.1°C)	1.4°F (0.8°C)	19th Warmest	Warmest since: 2007	2015
	Ties: 1935
Jul 2006–Jun 2009 36-Month	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	114th Coolest	Coolest since: 2008	1913, 1917
	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	12th Warmest	Warmest since: 2006	2016
	Ties: 1998, 2002, 2005, 2006
Jul 2005–Jun 2009 48-Month	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	113th Coolest	Coolest since: 2008	1913
	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	12th Warmest	Warmest since: 2007	2016
	Ties: 2005, 2006, 2007
Jul 2004–Jun 2009 60-Month	58.7°F (14.8°C)	57.4°F (14.1°C)	1.3°F (0.7°C)	109th Coolest	Coolest since: 2003	1913, 1917
	58.7°F (14.8°C)	57.4°F (14.1°C)	1.3°F (0.7°C)	15th Warmest	Warmest since: 2008	2018
	Ties: 1996, 1997, 2000, 2010, 2013

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings