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, September 2018

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2018 1-Month	64.8°F (18.2°C)	60.8°F (16.0°C)	4.0°F (2.2°C)	122nd Coolest	Coolest since: 2017	1912
	64.8°F (18.2°C)	60.8°F (16.0°C)	4.0°F (2.2°C)	7th Warmest	Warmest since: 2015	2022
	Ties: 2012
Aug–Sep 2018 2-Month	68.6°F (20.3°C)	65.1°F (18.4°C)	3.5°F (1.9°C)	124th Coolest	Coolest since: 2017	1900
Aug–Sep 2018 2-Month	68.6°F (20.3°C)	65.1°F (18.4°C)	3.5°F (1.9°C)	5th Warmest	Warmest since: 2012	2020
Jul–Sep 2018 3-Month	71.1°F (21.7°C)	67.2°F (19.6°C)	3.9°F (2.1°C)	126th Coolest	Coolest since: 2017	1912
Jul–Sep 2018 3-Month	71.1°F (21.7°C)	67.2°F (19.6°C)	3.9°F (2.1°C)	3rd Warmest	Warmest to Date	2022
Jun–Sep 2018 4-Month	70.2°F (21.2°C)	66.2°F (19.0°C)	4.0°F (2.2°C)	126th Coolest	Coolest since: 2017	1907
Jun–Sep 2018 4-Month	70.2°F (21.2°C)	66.2°F (19.0°C)	4.0°F (2.2°C)	3rd Warmest	Warmest to Date	2021
May–Sep 2018 5-Month	67.6°F (19.8°C)	63.9°F (17.7°C)	3.7°F (2.1°C)	127th Coolest	Coolest since: 2017	1907, 1965
May–Sep 2018 5-Month	67.6°F (19.8°C)	63.9°F (17.7°C)	3.7°F (2.1°C)	2nd Warmest	Warmest to Date	2021
Apr–Sep 2018 6-Month	64.5°F (18.1°C)	60.8°F (16.0°C)	3.7°F (2.1°C)	127th Coolest	Coolest since: 2017	1912
Apr–Sep 2018 6-Month	64.5°F (18.1°C)	60.8°F (16.0°C)	3.7°F (2.1°C)	2nd Warmest	Warmest to Date	2021
Mar–Sep 2018 7-Month	60.9°F (16.1°C)	57.7°F (14.3°C)	3.2°F (1.8°C)	125th Coolest	Coolest since: 2017	1912
	60.9°F (16.1°C)	57.7°F (14.3°C)	3.2°F (1.8°C)	4th Warmest	Warmest since: 2007	1934, 2007, 2021
	Ties: 1994
Feb–Sep 2018 8-Month	57.3°F (14.1°C)	54.5°F (12.5°C)	2.8°F (1.6°C)	120th Coolest	Coolest since: 2016	1903
	57.3°F (14.1°C)	54.5°F (12.5°C)	2.8°F (1.6°C)	9th Warmest	Warmest since: 2017	1934, 2015
	Ties: 2020
Jan–Sep 2018 9-Month	55.0°F (12.8°C)	51.6°F (10.9°C)	3.4°F (1.9°C)	126th Coolest	Coolest since: 2017	1917
Jan–Sep 2018 9-Month	55.0°F (12.8°C)	51.6°F (10.9°C)	3.4°F (1.9°C)	3rd Warmest	Warmest since: 2015	2015
Dec 2017–Sep 2018 10-Month	52.8°F (11.6°C)	49.3°F (9.6°C)	3.5°F (2.0°C)	125th Coolest	Coolest since: 2017	1917
Dec 2017–Sep 2018 10-Month	52.8°F (11.6°C)	49.3°F (9.6°C)	3.5°F (2.0°C)	3rd Warmest	Warmest since: 2015	2015
Nov 2017–Sep 2018 11-Month	52.0°F (11.1°C)	48.3°F (9.1°C)	3.7°F (2.0°C)	125th Coolest	Coolest since: 2017	1917
Nov 2017–Sep 2018 11-Month	52.0°F (11.1°C)	48.3°F (9.1°C)	3.7°F (2.0°C)	3rd Warmest	Warmest since: 2015	2015
Oct 2017–Sep 2018 12-Month	51.8°F (11.0°C)	48.5°F (9.2°C)	3.3°F (1.8°C)	125th Coolest	Coolest since: 2017	1917
Oct 2017–Sep 2018 12-Month	51.8°F (11.0°C)	48.5°F (9.2°C)	3.3°F (1.8°C)	3rd Warmest	Warmest since: 2015	2015
Apr 2017–Sep 2018 18-Month	55.6°F (13.1°C)	52.6°F (11.4°C)	3.0°F (1.7°C)	124th Coolest	Coolest since: 2017	1917
Apr 2017–Sep 2018 18-Month	55.6°F (13.1°C)	52.6°F (11.4°C)	3.0°F (1.7°C)	4th Warmest	Warmest since: 2015	2015
Oct 2016–Sep 2018 24-Month	51.4°F (10.8°C)	48.4°F (9.1°C)	3.0°F (1.7°C)	124th Coolest	Coolest since: 2017	1913
Oct 2016–Sep 2018 24-Month	51.4°F (10.8°C)	48.4°F (9.1°C)	3.0°F (1.7°C)	3rd Warmest	Warmest since: 2016	2016
Oct 2015–Sep 2018 36-Month	51.1°F (10.6°C)	48.4°F (9.1°C)	2.7°F (1.5°C)	123rd Coolest	Coolest since: 2015	1917
	51.1°F (10.6°C)	48.4°F (9.1°C)	2.7°F (1.5°C)	3rd Warmest	Warmest since: 2017	2017
	Ties: 2022
Oct 2014–Sep 2018 48-Month	51.5°F (10.8°C)	48.4°F (9.1°C)	3.1°F (1.7°C)	124th Coolest	Coolest since: 2017	1915
Oct 2014–Sep 2018 48-Month	51.5°F (10.8°C)	48.4°F (9.1°C)	3.1°F (1.7°C)	1st Warmest	Warmest to Date	2018
Oct 2013–Sep 2018 60-Month	51.3°F (10.7°C)	48.4°F (9.1°C)	2.9°F (1.6°C)	123rd Coolest	Coolest since: 2017	1917
Oct 2013–Sep 2018 60-Month	51.3°F (10.7°C)	48.4°F (9.1°C)	2.9°F (1.6°C)	1st 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 February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings