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, March 2015

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
March 2015 1-Month	56.9°F (13.8°C)	48.8°F (9.3°C)	8.1°F (4.5°C)	127th Coolest	Coolest since: 2014	1897
	56.9°F (13.8°C)	48.8°F (9.3°C)	8.1°F (4.5°C)	2nd Warmest	Warmest since: 2004	1934
	Ties: 2004
Feb–Mar 2015 2-Month	55.0°F (12.8°C)	47.0°F (8.3°C)	8.0°F (4.5°C)	128th Coolest	Coolest since: 2014	1897, 1903
Feb–Mar 2015 2-Month	55.0°F (12.8°C)	47.0°F (8.3°C)	8.0°F (4.5°C)	1st Warmest	Warmest to Date	2015
Jan–Mar 2015 3-Month	52.9°F (11.6°C)	45.5°F (7.5°C)	7.4°F (4.1°C)	128th Coolest	Coolest since: 2014	1949
Jan–Mar 2015 3-Month	52.9°F (11.6°C)	45.5°F (7.5°C)	7.4°F (4.1°C)	1st Warmest	Warmest to Date	2015
Dec 2014–Mar 2015 4-Month	51.4°F (10.8°C)	44.9°F (7.2°C)	6.5°F (3.6°C)	127th Coolest	Coolest since: 2014	1949
Dec 2014–Mar 2015 4-Month	51.4°F (10.8°C)	44.9°F (7.2°C)	6.5°F (3.6°C)	1st Warmest	Warmest to Date	2015
Nov 2014–Mar 2015 5-Month	51.7°F (10.9°C)	45.8°F (7.7°C)	5.9°F (3.2°C)	127th Coolest	Coolest since: 2014	1949
Nov 2014–Mar 2015 5-Month	51.7°F (10.9°C)	45.8°F (7.7°C)	5.9°F (3.2°C)	1st Warmest	Warmest to Date	2015
Oct 2014–Mar 2015 6-Month	53.8°F (12.1°C)	48.1°F (8.9°C)	5.7°F (3.2°C)	127th Coolest	Coolest since: 2014	1917
Oct 2014–Mar 2015 6-Month	53.8°F (12.1°C)	48.1°F (8.9°C)	5.7°F (3.2°C)	1st Warmest	Warmest to Date	2015
Sep 2014–Mar 2015 7-Month	56.5°F (13.6°C)	51.1°F (10.6°C)	5.4°F (3.0°C)	127th Coolest	Coolest since: 2014	1917
Sep 2014–Mar 2015 7-Month	56.5°F (13.6°C)	51.1°F (10.6°C)	5.4°F (3.0°C)	1st Warmest	Warmest to Date	2015
Aug 2014–Mar 2015 8-Month	58.8°F (14.9°C)	53.9°F (12.2°C)	4.9°F (2.7°C)	127th Coolest	Coolest since: 2014	1917
Aug 2014–Mar 2015 8-Month	58.8°F (14.9°C)	53.9°F (12.2°C)	4.9°F (2.7°C)	1st Warmest	Warmest to Date	2015
Jul 2014–Mar 2015 9-Month	60.9°F (16.1°C)	56.1°F (13.4°C)	4.8°F (2.7°C)	127th Coolest	Coolest since: 2014	1917
Jul 2014–Mar 2015 9-Month	60.9°F (16.1°C)	56.1°F (13.4°C)	4.8°F (2.7°C)	1st Warmest	Warmest to Date	2015
Jun 2014–Mar 2015 10-Month	62.0°F (16.7°C)	57.3°F (14.1°C)	4.7°F (2.6°C)	127th Coolest	Coolest since: 2014	1917
Jun 2014–Mar 2015 10-Month	62.0°F (16.7°C)	57.3°F (14.1°C)	4.7°F (2.6°C)	1st Warmest	Warmest to Date	2015
May 2014–Mar 2015 11-Month	62.3°F (16.8°C)	57.7°F (14.3°C)	4.6°F (2.5°C)	127th Coolest	Coolest since: 2014	1917
May 2014–Mar 2015 11-Month	62.3°F (16.8°C)	57.7°F (14.3°C)	4.6°F (2.5°C)	1st Warmest	Warmest to Date	2015
Apr 2014–Mar 2015 12-Month	61.9°F (16.6°C)	57.4°F (14.1°C)	4.5°F (2.5°C)	127th Coolest	Coolest since: 2014	1917
Apr 2014–Mar 2015 12-Month	61.9°F (16.6°C)	57.4°F (14.1°C)	4.5°F (2.5°C)	1st Warmest	Warmest to Date	2015
Oct 2013–Mar 2015 18-Month	58.4°F (14.7°C)	54.3°F (12.4°C)	4.1°F (2.3°C)	126th Coolest	Coolest since: 2014	1949
Oct 2013–Mar 2015 18-Month	58.4°F (14.7°C)	54.3°F (12.4°C)	4.1°F (2.3°C)	1st Warmest	Warmest to Date	2015
Apr 2013–Mar 2015 24-Month	61.1°F (16.2°C)	57.3°F (14.1°C)	3.8°F (2.1°C)	126th Coolest	Coolest since: 2014	1913
Apr 2013–Mar 2015 24-Month	61.1°F (16.2°C)	57.3°F (14.1°C)	3.8°F (2.1°C)	1st Warmest	Warmest to Date	2015
Apr 2012–Mar 2015 36-Month	60.6°F (15.9°C)	57.4°F (14.1°C)	3.2°F (1.8°C)	124th Coolest	Coolest since: 2014	1913, 1917
Apr 2012–Mar 2015 36-Month	60.6°F (15.9°C)	57.4°F (14.1°C)	3.2°F (1.8°C)	2nd Warmest	Warmest to Date	2016
Apr 2011–Mar 2015 48-Month	59.9°F (15.5°C)	57.4°F (14.1°C)	2.5°F (1.4°C)	121st Coolest	Coolest since: 2014	1913
	59.9°F (15.5°C)	57.4°F (14.1°C)	2.5°F (1.4°C)	4th Warmest	Warmest to Date	2018
	Ties: 2019, 2022
Apr 2010–Mar 2015 60-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	116th Coolest	Coolest since: 2014	1913, 1917
Apr 2010–Mar 2015 60-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	8th Warmest	Warmest to Date	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings