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 2001

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 2001 1-Month	71.3°F (21.8°C)	68.3°F (20.2°C)	3.0°F (1.6°C)	110th Coolest	Coolest since: 1999	1923
	71.3°F (21.8°C)	68.3°F (20.2°C)	3.0°F (1.6°C)	19th Warmest	Warmest since: 2000	2021
	Ties: 1957
May–Jun 2001 2-Month	69.9°F (21.1°C)	64.4°F (18.0°C)	5.5°F (3.1°C)	128th Coolest	Coolest since: 2000	1953
May–Jun 2001 2-Month	69.9°F (21.1°C)	64.4°F (18.0°C)	5.5°F (3.1°C)	1st Warmest	Warmest to Date	2001
Apr–Jun 2001 3-Month	64.0°F (17.8°C)	61.0°F (16.1°C)	3.0°F (1.7°C)	119th Coolest	Coolest since: 1999	1967, 1998
	64.0°F (17.8°C)	61.0°F (16.1°C)	3.0°F (1.7°C)	10th Warmest	Warmest since: 2000	2021
	Ties: 2015, 2017
Mar–Jun 2001 4-Month	61.1°F (16.2°C)	57.9°F (14.4°C)	3.2°F (1.8°C)	116th Coolest	Coolest since: 2000	1917
	61.1°F (16.2°C)	57.9°F (14.4°C)	3.2°F (1.8°C)	13th Warmest	Warmest since: 1997	2015
	Ties: 1940
Feb–Jun 2001 5-Month	57.5°F (14.2°C)	55.4°F (13.0°C)	2.1°F (1.2°C)	106th Coolest	Coolest since: 1999	1917
Feb–Jun 2001 5-Month	57.5°F (14.2°C)	55.4°F (13.0°C)	2.1°F (1.2°C)	23rd Warmest	Warmest since: 2000	2015
Jan–Jun 2001 6-Month	55.0°F (12.8°C)	53.3°F (11.8°C)	1.7°F (1.0°C)	105th Coolest	Coolest since: 1999	1917
	55.0°F (12.8°C)	53.3°F (11.8°C)	1.7°F (1.0°C)	24th Warmest	Warmest since: 2000	2015
	Ties: 1984, 1987, 1994, 2003, 2009
Dec 2000–Jun 2001 7-Month	53.8°F (12.1°C)	51.8°F (11.0°C)	2.0°F (1.1°C)	106th Coolest	Coolest since: 1999	1917
Dec 2000–Jun 2001 7-Month	53.8°F (12.1°C)	51.8°F (11.0°C)	2.0°F (1.1°C)	22nd Warmest	Warmest since: 2000	2015
Nov 2000–Jun 2001 8-Month	52.8°F (11.6°C)	51.5°F (10.8°C)	1.3°F (0.8°C)	99th Coolest	Coolest since: 1999	1917
	52.8°F (11.6°C)	51.5°F (10.8°C)	1.3°F (0.8°C)	29th Warmest	Warmest since: 2000	2015
	Ties: 1994, 2002
Oct 2000–Jun 2001 9-Month	53.4°F (11.9°C)	52.4°F (11.3°C)	1.0°F (0.6°C)	91st Coolest	Coolest since: 1999	1917
	53.4°F (11.9°C)	52.4°F (11.3°C)	1.0°F (0.6°C)	37th Warmest	Warmest since: 2000	2015
	Ties: 1918, 1930, 1988, 1990
Sep 2000–Jun 2001 10-Month	55.0°F (12.8°C)	54.0°F (12.2°C)	1.0°F (0.6°C)	94th Coolest	Coolest since: 1999	1917
	55.0°F (12.8°C)	54.0°F (12.2°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 2000	2015
	Ties: 1954
Aug 2000–Jun 2001 11-Month	56.8°F (13.8°C)	55.8°F (13.2°C)	1.0°F (0.6°C)	97th Coolest	Coolest since: 1999	1917
	56.8°F (13.8°C)	55.8°F (13.2°C)	1.0°F (0.6°C)	31st Warmest	Warmest since: 2000	2015
	Ties: 1951, 1986, 1987, 1988
Jul 2000–Jun 2001 12-Month	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	94th Coolest	Coolest since: 1999	1917
	58.2°F (14.6°C)	57.4°F (14.1°C)	0.8°F (0.5°C)	34th Warmest	Warmest since: 2000	2015
	Ties: 1930, 1954, 1961, 1970, 1994, 2008
Jan 2000–Jun 2001 18-Month	57.5°F (14.2°C)	56.0°F (13.3°C)	1.5°F (0.9°C)	108th Coolest	Coolest since: 2000	1917
	57.5°F (14.2°C)	56.0°F (13.3°C)	1.5°F (0.9°C)	20th Warmest	Warmest since: 1997	2015
	Ties: 1992, 1993, 2020
Jul 1999–Jun 2001 24-Month	58.9°F (14.9°C)	57.3°F (14.1°C)	1.6°F (0.8°C)	110th Coolest	Coolest since: 2000	1913
	58.9°F (14.9°C)	57.3°F (14.1°C)	1.6°F (0.8°C)	17th Warmest	Warmest since: 1997	2015
	Ties: 2005
Jul 1998–Jun 2001 36-Month	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	100th Coolest	Coolest since: 2000	1913, 1917
	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	26th Warmest	Warmest since: 1998	2016
	Ties: 1940, 1960, 1992, 1993
Jul 1997–Jun 2001 48-Month	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	84th Coolest	Coolest since: 1991	1913
	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	41st Warmest	Warmest since: 2000	2016
	Ties: 1940, 1984, 1991
Jul 1996–Jun 2001 60-Month	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1999	1913, 1917
	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	26th Warmest	Warmest since: 2000	2018
	Ties: 1990, 1994, 2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings