Regional Rankings

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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, March 2021

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
March 2021 1-Month	48.2°F (9.0°C)	48.8°F (9.3°C)	-0.6°F (-0.3°C)	51st Coolest	Coolest since: 2020	1897
	48.2°F (9.0°C)	48.8°F (9.3°C)	-0.6°F (-0.3°C)	78th Warmest	Warmest since: 2019	1934
	Ties: 1961
Feb–Mar 2021 2-Month	47.8°F (8.8°C)	47.1°F (8.4°C)	0.7°F (0.4°C)	74th Coolest	Coolest since: 2019	1903
	47.8°F (8.8°C)	47.1°F (8.4°C)	0.7°F (0.4°C)	55th Warmest	Warmest since: 2020	2015
	Ties: 1936, 1959, 1961, 1983, 2018
Jan–Mar 2021 3-Month	47.0°F (8.3°C)	45.5°F (7.5°C)	1.5°F (0.8°C)	89th Coolest	Coolest since: 2019	1949
	47.0°F (8.3°C)	45.5°F (7.5°C)	1.5°F (0.8°C)	40th Warmest	Warmest since: 2020	2015
	Ties: 1928, 2010
Dec 2020–Mar 2021 4-Month	46.7°F (8.2°C)	44.9°F (7.2°C)	1.8°F (1.0°C)	102nd Coolest	Coolest since: 2020	1949
	46.7°F (8.2°C)	44.9°F (7.2°C)	1.8°F (1.0°C)	26th Warmest	Warmest since: 2020	2015
	Ties: 1905, 2005, 2020
Nov 2020–Mar 2021 5-Month	47.5°F (8.6°C)	45.8°F (7.7°C)	1.7°F (0.9°C)	103rd Coolest	Coolest since: 2019	1949
	47.5°F (8.6°C)	45.8°F (7.7°C)	1.7°F (0.9°C)	25th Warmest	Warmest since: 2020	2015
	Ties: 2009
Oct 2020–Mar 2021 6-Month	50.6°F (10.3°C)	48.1°F (8.9°C)	2.5°F (1.4°C)	118th Coolest	Coolest since: 2020	1917
	50.6°F (10.3°C)	48.1°F (8.9°C)	2.5°F (1.4°C)	10th Warmest	Warmest since: 2018	2015
	Ties: 2016
Sep 2020–Mar 2021 7-Month	53.9°F (12.2°C)	51.0°F (10.6°C)	2.9°F (1.6°C)	125th Coolest	Coolest since: 2020	1917
	53.9°F (12.2°C)	51.0°F (10.6°C)	2.9°F (1.6°C)	3rd Warmest	Warmest since: 2018	2015
	Ties: 1934, 2014, 2018
Aug 2020–Mar 2021 8-Month	57.1°F (13.9°C)	53.8°F (12.1°C)	3.3°F (1.8°C)	126th Coolest	Coolest since: 2020	1917
	57.1°F (13.9°C)	53.8°F (12.1°C)	3.3°F (1.8°C)	2nd Warmest	Warmest since: 2015	2015
	Ties: 1996
Jul 2020–Mar 2021 9-Month	59.2°F (15.1°C)	56.2°F (13.4°C)	3.0°F (1.7°C)	125th Coolest	Coolest since: 2020	1917
	59.2°F (15.1°C)	56.2°F (13.4°C)	3.0°F (1.7°C)	3rd Warmest	Warmest since: 2018	2015
	Ties: 2022
Jun 2020–Mar 2021 10-Month	60.3°F (15.7°C)	57.4°F (14.1°C)	2.9°F (1.6°C)	124th Coolest	Coolest since: 2020	1917
Jun 2020–Mar 2021 10-Month	60.3°F (15.7°C)	57.4°F (14.1°C)	2.9°F (1.6°C)	4th Warmest	Warmest since: 2018	2015
May 2020–Mar 2021 11-Month	60.7°F (15.9°C)	57.7°F (14.3°C)	3.0°F (1.6°C)	124th Coolest	Coolest since: 2020	1917
May 2020–Mar 2021 11-Month	60.7°F (15.9°C)	57.7°F (14.3°C)	3.0°F (1.6°C)	4th Warmest	Warmest since: 2018	2015
Apr 2020–Mar 2021 12-Month	60.4°F (15.8°C)	57.4°F (14.1°C)	3.0°F (1.7°C)	124th Coolest	Coolest since: 2020	1917
Apr 2020–Mar 2021 12-Month	60.4°F (15.8°C)	57.4°F (14.1°C)	3.0°F (1.7°C)	4th Warmest	Warmest since: 2018	2015
Oct 2019–Mar 2021 18-Month	56.8°F (13.8°C)	54.3°F (12.4°C)	2.5°F (1.4°C)	121st Coolest	Coolest since: 2020	1949
	56.8°F (13.8°C)	54.3°F (12.4°C)	2.5°F (1.4°C)	6th Warmest	Warmest since: 2018	2015
	Ties: 2014
Apr 2019–Mar 2021 24-Month	59.7°F (15.4°C)	57.4°F (14.1°C)	2.3°F (1.3°C)	119th Coolest	Coolest since: 2020	1913
Apr 2019–Mar 2021 24-Month	59.7°F (15.4°C)	57.4°F (14.1°C)	2.3°F (1.3°C)	8th Warmest	Warmest since: 2019	2015
Apr 2018–Mar 2021 36-Month	59.6°F (15.3°C)	57.4°F (14.1°C)	2.2°F (1.2°C)	119th Coolest	Coolest since: 2020	1913, 1917
	59.6°F (15.3°C)	57.4°F (14.1°C)	2.2°F (1.2°C)	7th Warmest	Warmest since: 2020	2016
	Ties: 2020
Apr 2017–Mar 2021 48-Month	59.8°F (15.4°C)	57.4°F (14.1°C)	2.4°F (1.3°C)	118th Coolest	Coolest since: 2020	1913
Apr 2017–Mar 2021 48-Month	59.8°F (15.4°C)	57.4°F (14.1°C)	2.4°F (1.3°C)	7th Warmest	Warmest since: 2019	2018
Apr 2016–Mar 2021 60-Month	59.8°F (15.4°C)	57.3°F (14.1°C)	2.5°F (1.3°C)	118th Coolest	Coolest since: 2020	1913, 1917
Apr 2016–Mar 2021 60-Month	59.8°F (15.4°C)	57.3°F (14.1°C)	2.5°F (1.3°C)	6th Warmest	Warmest since: 2019	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings