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.

Great Basin

Average Temperature Rankings, December 2020

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2020 1-Month	30.6°F (-0.8°C)	29.7°F (-1.3°C)	0.9°F (0.5°C)	77th Coolest	Coolest since: 2018	1909, 1932
	30.6°F (-0.8°C)	29.7°F (-1.3°C)	0.9°F (0.5°C)	52nd Warmest	Warmest since: 2019	1917
	Ties: 1915, 1952
Nov–Dec 2020 2-Month	35.1°F (1.7°C)	33.6°F (0.9°C)	1.5°F (0.8°C)	89th Coolest	Coolest since: 2018	1931
	35.1°F (1.7°C)	33.6°F (0.9°C)	1.5°F (0.8°C)	40th Warmest	Warmest since: 2019	1917
	Ties: 1973
Oct–Dec 2020 3-Month	41.4°F (5.2°C)	39.0°F (3.9°C)	2.4°F (1.3°C)	113th Coolest	Coolest since: 2019	1919
	41.4°F (5.2°C)	39.0°F (3.9°C)	2.4°F (1.3°C)	16th Warmest	Warmest since: 2017	1950
	Ties: 1934, 2012, 2016, 2021
Sep–Dec 2020 4-Month	47.4°F (8.6°C)	44.5°F (6.9°C)	2.9°F (1.7°C)	123rd Coolest	Coolest since: 2019	1971
	47.4°F (8.6°C)	44.5°F (6.9°C)	2.9°F (1.7°C)	6th Warmest	Warmest since: 2014	2014
	Ties: 1937
Aug–Dec 2020 5-Month	52.9°F (11.6°C)	49.4°F (9.7°C)	3.5°F (1.9°C)	128th Coolest	Coolest since: 2019	1916
Aug–Dec 2020 5-Month	52.9°F (11.6°C)	49.4°F (9.7°C)	3.5°F (1.9°C)	1st Warmest	Warmest to Date	2020
Jul–Dec 2020 6-Month	56.4°F (13.6°C)	53.2°F (11.8°C)	3.2°F (1.8°C)	128th Coolest	Coolest since: 2019	1916
Jul–Dec 2020 6-Month	56.4°F (13.6°C)	53.2°F (11.8°C)	3.2°F (1.8°C)	1st Warmest	Warmest to Date	2020
Jun–Dec 2020 7-Month	57.5°F (14.2°C)	54.6°F (12.6°C)	2.9°F (1.6°C)	127th Coolest	Coolest since: 2019	1916
	57.5°F (14.2°C)	54.6°F (12.6°C)	2.9°F (1.6°C)	2nd Warmest	Warmest since: 2017	2021
	Ties: 2017
May–Dec 2020 8-Month	57.6°F (14.2°C)	54.5°F (12.5°C)	3.1°F (1.7°C)	127th Coolest	Coolest since: 2019	1916
May–Dec 2020 8-Month	57.6°F (14.2°C)	54.5°F (12.5°C)	3.1°F (1.7°C)	2nd Warmest	Warmest to Date	2021
Apr–Dec 2020 9-Month	56.5°F (13.6°C)	53.6°F (12.0°C)	2.9°F (1.6°C)	127th Coolest	Coolest since: 2019	1912
Apr–Dec 2020 9-Month	56.5°F (13.6°C)	53.6°F (12.0°C)	2.9°F (1.6°C)	2nd Warmest	Warmest to Date	2021
Mar–Dec 2020 10-Month	54.9°F (12.7°C)	52.1°F (11.2°C)	2.8°F (1.5°C)	124th Coolest	Coolest since: 2019	1912
	54.9°F (12.7°C)	52.1°F (11.2°C)	2.8°F (1.5°C)	5th Warmest	Warmest since: 2017	1934, 2021
	Ties: 2014
Feb–Dec 2020 11-Month	53.0°F (11.7°C)	50.3°F (10.2°C)	2.7°F (1.5°C)	123rd Coolest	Coolest since: 2019	1911, 1912
	53.0°F (11.7°C)	50.3°F (10.2°C)	2.7°F (1.5°C)	6th Warmest	Warmest since: 2017	1934
	Ties: 2012
Jan–Dec 2020 12-Month	51.3°F (10.7°C)	48.4°F (9.1°C)	2.9°F (1.6°C)	123rd Coolest	Coolest since: 2019	1944
	51.3°F (10.7°C)	48.4°F (9.1°C)	2.9°F (1.6°C)	6th Warmest	Warmest since: 2015	1934
	Ties: 2003
Jul 2019–Dec 2020 18-Month	52.1°F (11.2°C)	50.0°F (10.0°C)	2.1°F (1.2°C)	118th Coolest	Coolest since: 2019	1912, 1913
	52.1°F (11.2°C)	50.0°F (10.0°C)	2.1°F (1.2°C)	10th Warmest	Warmest since: 2018	1934
	Ties: 1940, 1996, 2016
Jan 2019–Dec 2020 24-Month	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	111th Coolest	Coolest since: 2019	1912, 1913
	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 2018	2015
	Ties: 1934, 1981
Jan 2018–Dec 2020 36-Month	50.4°F (10.2°C)	48.5°F (9.2°C)	1.9°F (1.0°C)	118th Coolest	Coolest since: 2019	1913
Jan 2018–Dec 2020 36-Month	50.4°F (10.2°C)	48.5°F (9.2°C)	1.9°F (1.0°C)	9th Warmest	Warmest since: 2018	2016
Jan 2017–Dec 2020 48-Month	50.6°F (10.3°C)	48.4°F (9.1°C)	2.2°F (1.2°C)	121st Coolest	Coolest since: 2019	1914
	50.6°F (10.3°C)	48.4°F (9.1°C)	2.2°F (1.2°C)	5th Warmest	Warmest since: 2018	2017
	Ties: 2021
Jan 2016–Dec 2020 60-Month	50.7°F (10.4°C)	48.5°F (9.2°C)	2.2°F (1.2°C)	120th Coolest	Coolest since: 2019	1899, 1915, 1916
	50.7°F (10.4°C)	48.5°F (9.2°C)	2.2°F (1.2°C)	5th Warmest	Warmest since: 2019	2018
	Ties: 2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings