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 2011

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 2011 1-Month	66.9°F (19.4°C)	68.3°F (20.2°C)	-1.4°F (-0.8°C)	30th Coolest	Coolest since: 2005	1923
June 2011 1-Month	66.9°F (19.4°C)	68.3°F (20.2°C)	-1.4°F (-0.8°C)	99th Warmest	Warmest since: 2010	2021
May–Jun 2011 2-Month	62.2°F (16.8°C)	64.4°F (18.0°C)	-2.2°F (-1.2°C)	14th Coolest	Coolest since: 1998	1953
	62.2°F (16.8°C)	64.4°F (18.0°C)	-2.2°F (-1.2°C)	115th Warmest	Warmest since: 2010	2001
	Ties: 1915, 1916, 1923, 1964, 1995
Apr–Jun 2011 3-Month	59.3°F (15.2°C)	61.0°F (16.1°C)	-1.7°F (-0.9°C)	22nd Coolest	Coolest since: 2010	1967, 1998
	59.3°F (15.2°C)	61.0°F (16.1°C)	-1.7°F (-0.9°C)	107th Warmest	Warmest since: 2009	2021
	Ties: 1905, 1942
Mar–Jun 2011 4-Month	56.6°F (13.7°C)	57.9°F (14.4°C)	-1.3°F (-0.7°C)	30th Coolest	Coolest since: 2010	1917
	56.6°F (13.7°C)	57.9°F (14.4°C)	-1.3°F (-0.7°C)	99th Warmest	Warmest since: 2009	2015
	Ties: 1995
Feb–Jun 2011 5-Month	54.0°F (12.2°C)	55.4°F (13.0°C)	-1.4°F (-0.8°C)	22nd Coolest	Coolest since: 1998	1917
Feb–Jun 2011 5-Month	54.0°F (12.2°C)	55.4°F (13.0°C)	-1.4°F (-0.8°C)	107th Warmest	Warmest since: 2010	2015
Jan–Jun 2011 6-Month	52.6°F (11.4°C)	53.3°F (11.8°C)	-0.7°F (-0.4°C)	37th Coolest	Coolest since: 1998	1917
	52.6°F (11.4°C)	53.3°F (11.8°C)	-0.7°F (-0.4°C)	92nd Warmest	Warmest since: 2010	2015
	Ties: 1909, 1919, 1963
Dec 2010–Jun 2011 7-Month	51.6°F (10.9°C)	51.8°F (11.0°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 2010	1917
	51.6°F (10.9°C)	51.8°F (11.0°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 2009	2015
	Ties: 1910, 1963, 1982
Nov 2010–Jun 2011 8-Month	51.2°F (10.7°C)	51.5°F (10.8°C)	-0.3°F (-0.1°C)	47th Coolest	Coolest since: 1999	1917
	51.2°F (10.7°C)	51.5°F (10.8°C)	-0.3°F (-0.1°C)	81st Warmest	Warmest since: 2010	2015
	Ties: 1902, 1910
Oct 2010–Jun 2011 9-Month	52.2°F (11.2°C)	52.4°F (11.3°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 2010	1917
	52.2°F (11.2°C)	52.4°F (11.3°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 2009	2015
	Ties: 1896, 1902, 1925, 1946, 1950, 1965, 1972, 1976, 1982, 1985
Sep 2010–Jun 2011 10-Month	54.1°F (12.3°C)	54.0°F (12.2°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1999	1917
	54.1°F (12.3°C)	54.0°F (12.2°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 2010	2015
	Ties: 1935, 1956, 1976
Aug 2010–Jun 2011 11-Month	55.8°F (13.2°C)	55.8°F (13.2°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1999	1917
	55.8°F (13.2°C)	55.8°F (13.2°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 2010	2015
	Ties: 1957, 1972, 1977
Jul 2010–Jun 2011 12-Month	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	62nd Coolest	Coolest since: 1999	1917
	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 2010	2015
	Ties: 1905, 1963, 1972
Jan 2010–Jun 2011 18-Month	56.0°F (13.3°C)	56.0°F (13.3°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1999	1917
	56.0°F (13.3°C)	56.0°F (13.3°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 2010	2015
	Ties: 1930, 1939, 1943, 1947, 1958, 1962, 1974, 1977
Jul 2009–Jun 2011 24-Month	57.7°F (14.3°C)	57.4°F (14.1°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1999	1913
	57.7°F (14.3°C)	57.4°F (14.1°C)	0.3°F (0.2°C)	53rd Warmest	Warmest since: 2010	2015
	Ties: 1927, 1954
Jul 2008–Jun 2011 36-Month	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 2000	1913, 1917
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 2010	2016
	Ties: 1982, 1988, 1990
Jul 2007–Jun 2011 48-Month	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 2001	1913
	58.2°F (14.6°C)	57.3°F (14.1°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 2010	2016
	Ties: 1941, 1981, 1987, 1990
Jul 2006–Jun 2011 60-Month	58.4°F (14.7°C)	57.3°F (14.1°C)	1.1°F (0.6°C)	102nd Coolest	Coolest since: 2002	1913, 1917
	58.4°F (14.7°C)	57.3°F (14.1°C)	1.1°F (0.6°C)	22nd Warmest	Warmest since: 2010	2018
	Ties: 1992, 1993, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings