Regional Rankings

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Year:

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 2007

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
May 2007 1-Month	64.1°F (17.8°C)	60.7°F (15.9°C)	3.4°F (1.9°C)	113th Coolest	Coolest since: 2005	1977
May 2007 1-Month	64.1°F (17.8°C)	60.7°F (15.9°C)	3.4°F (1.9°C)	17th Warmest	Warmest since: 2006	2001
Apr–May 2007 2-Month	60.2°F (15.7°C)	57.4°F (14.1°C)	2.8°F (1.6°C)	110th Coolest	Coolest since: 2006	1967
	60.2°F (15.7°C)	57.4°F (14.1°C)	2.8°F (1.6°C)	20th Warmest	Warmest since: 2004	1992
	Ties: 1940
Mar–May 2007 3-Month	58.3°F (14.6°C)	54.5°F (12.5°C)	3.8°F (2.1°C)	123rd Coolest	Coolest since: 2006	1917
Mar–May 2007 3-Month	58.3°F (14.6°C)	54.5°F (12.5°C)	3.8°F (2.1°C)	7th Warmest	Warmest since: 2004	1934
Feb–May 2007 4-Month	55.4°F (13.0°C)	52.2°F (11.2°C)	3.2°F (1.8°C)	123rd Coolest	Coolest since: 2006	1917
	55.4°F (13.0°C)	52.2°F (11.2°C)	3.2°F (1.8°C)	7th Warmest	Warmest since: 2004	1934
	Ties: 2004
Jan–May 2007 5-Month	52.6°F (11.4°C)	50.2°F (10.1°C)	2.4°F (1.3°C)	113th Coolest	Coolest since: 2006	1917
	52.6°F (11.4°C)	50.2°F (10.1°C)	2.4°F (1.3°C)	17th Warmest	Warmest since: 2004	2015
	Ties: 1926, 2013
Dec 2006–May 2007 6-Month	51.2°F (10.7°C)	49.1°F (9.5°C)	2.1°F (1.2°C)	110th Coolest	Coolest since: 2006	1917
	51.2°F (10.7°C)	49.1°F (9.5°C)	2.1°F (1.2°C)	19th Warmest	Warmest since: 2004	2015
	Ties: 1984
Nov 2006–May 2007 7-Month	51.2°F (10.7°C)	49.1°F (9.5°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 2006	1917
	51.2°F (10.7°C)	49.1°F (9.5°C)	2.1°F (1.2°C)	15th Warmest	Warmest since: 2000	2015
	Ties: 1959, 2009, 2013
Oct 2006–May 2007 8-Month	52.1°F (11.2°C)	50.4°F (10.2°C)	1.7°F (1.0°C)	108th Coolest	Coolest since: 2006	1917
	52.1°F (11.2°C)	50.4°F (10.2°C)	1.7°F (1.0°C)	21st Warmest	Warmest since: 2004	2015
	Ties: 1978
Sep 2006–May 2007 9-Month	54.1°F (12.3°C)	52.4°F (11.3°C)	1.7°F (1.0°C)	108th Coolest	Coolest since: 2006	1917
Sep 2006–May 2007 9-Month	54.1°F (12.3°C)	52.4°F (11.3°C)	1.7°F (1.0°C)	21st Warmest	Warmest since: 2004	2015
Aug 2006–May 2007 10-Month	56.0°F (13.3°C)	54.6°F (12.6°C)	1.4°F (0.7°C)	106th Coolest	Coolest since: 2006	1917
	56.0°F (13.3°C)	54.6°F (12.6°C)	1.4°F (0.7°C)	23rd Warmest	Warmest since: 2004	2015
	Ties: 1968, 1978, 2003
Jul 2006–May 2007 11-Month	58.1°F (14.5°C)	56.4°F (13.6°C)	1.7°F (0.9°C)	110th Coolest	Coolest since: 2006	1917
Jul 2006–May 2007 11-Month	58.1°F (14.5°C)	56.4°F (13.6°C)	1.7°F (0.9°C)	19th Warmest	Warmest since: 2004	2015
Jun 2006–May 2007 12-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	114th Coolest	Coolest since: 2006	1917
Jun 2006–May 2007 12-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	15th Warmest	Warmest since: 2004	2015
Dec 2005–May 2007 18-Month	56.3°F (13.5°C)	54.6°F (12.6°C)	1.7°F (0.9°C)	115th Coolest	Coolest since: 2006	1917
Dec 2005–May 2007 18-Month	56.3°F (13.5°C)	54.6°F (12.6°C)	1.7°F (0.9°C)	13th Warmest	Warmest since: 2004	2015
Jun 2005–May 2007 24-Month	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	112th Coolest	Coolest since: 2006	1913, 1917
	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	16th Warmest	Warmest since: 2005	2015
	Ties: 1993, 2009
Jun 2004–May 2007 36-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	108th Coolest	Coolest since: 2001	1913, 1917
	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	19th Warmest	Warmest since: 2006	2016
	Ties: 1961, 1994, 2008, 2013
Jun 2003–May 2007 48-Month	59.0°F (15.0°C)	57.4°F (14.1°C)	1.6°F (0.9°C)	115th Coolest	Coolest since: 2006	1913
	59.0°F (15.0°C)	57.4°F (14.1°C)	1.6°F (0.9°C)	11th Warmest	Warmest since: 2005	2016, 2017, 2018
	Ties: 2004, 2005
Jun 2002–May 2007 60-Month	59.0°F (15.0°C)	57.3°F (14.1°C)	1.7°F (0.9°C)	114th Coolest	Coolest since: 2006	1913, 1917
Jun 2002–May 2007 60-Month	59.0°F (15.0°C)	57.3°F (14.1°C)	1.7°F (0.9°C)	11th Warmest	Warmest since: 2004	2018

Citing This Page

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