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, April 2018

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2018 1-Month	49.1°F (9.5°C)	45.7°F (7.6°C)	3.4°F (1.9°C)	108th Coolest	Coolest since: 2017	1975
April 2018 1-Month	49.1°F (9.5°C)	45.7°F (7.6°C)	3.4°F (1.9°C)	21st Warmest	Warmest since: 2012	1934
Mar–Apr 2018 2-Month	44.0°F (6.7°C)	42.0°F (5.6°C)	2.0°F (1.1°C)	97th Coolest	Coolest since: 2011	1917
	44.0°F (6.7°C)	42.0°F (5.6°C)	2.0°F (1.1°C)	32nd Warmest	Warmest since: 2017	1934
	Ties: 1959, 1978, 1981, 1996, 2001, 2019, 2020
Feb–Apr 2018 3-Month	40.2°F (4.6°C)	38.9°F (3.8°C)	1.3°F (0.8°C)	89th Coolest	Coolest since: 2011	1903
	40.2°F (4.6°C)	38.9°F (3.8°C)	1.3°F (0.8°C)	40th Warmest	Warmest since: 2017	1934
	Ties: 1914, 1936, 2021
Jan–Apr 2018 4-Month	39.3°F (4.1°C)	36.3°F (2.4°C)	3.0°F (1.7°C)	119th Coolest	Coolest since: 2017	1917
	39.3°F (4.1°C)	36.3°F (2.4°C)	3.0°F (1.7°C)	10th Warmest	Warmest since: 2016	1934
	Ties: 1926, 1995, 2003
Dec 2017–Apr 2018 5-Month	38.1°F (3.4°C)	34.9°F (1.6°C)	3.2°F (1.8°C)	119th Coolest	Coolest since: 2017	1917
Dec 2017–Apr 2018 5-Month	38.1°F (3.4°C)	34.9°F (1.6°C)	3.2°F (1.8°C)	9th Warmest	Warmest since: 2015	1934
Nov 2017–Apr 2018 6-Month	39.0°F (3.9°C)	35.4°F (1.9°C)	3.6°F (2.0°C)	124th Coolest	Coolest since: 2017	1917
	39.0°F (3.9°C)	35.4°F (1.9°C)	3.6°F (2.0°C)	4th Warmest	Warmest since: 2015	1934
	Ties: 1996
Oct 2017–Apr 2018 7-Month	40.5°F (4.7°C)	37.5°F (3.1°C)	3.0°F (1.6°C)	123rd Coolest	Coolest since: 2017	1917
Oct 2017–Apr 2018 7-Month	40.5°F (4.7°C)	37.5°F (3.1°C)	3.0°F (1.6°C)	5th Warmest	Warmest since: 2015	1934
Sep 2017–Apr 2018 8-Month	43.0°F (6.1°C)	40.4°F (4.7°C)	2.6°F (1.4°C)	123rd Coolest	Coolest since: 2017	1917
	43.0°F (6.1°C)	40.4°F (4.7°C)	2.6°F (1.4°C)	5th Warmest	Warmest since: 2015	1934
	Ties: 1978, 1981, 1992
Aug 2017–Apr 2018 9-Month	46.3°F (7.9°C)	43.6°F (6.4°C)	2.7°F (1.5°C)	123rd Coolest	Coolest since: 2017	1917
	46.3°F (7.9°C)	43.6°F (6.4°C)	2.7°F (1.5°C)	5th Warmest	Warmest since: 2015	1934
	Ties: 2021
Jul 2017–Apr 2018 10-Month	49.2°F (9.6°C)	46.4°F (8.0°C)	2.8°F (1.6°C)	125th Coolest	Coolest since: 2017	1917
Jul 2017–Apr 2018 10-Month	49.2°F (9.6°C)	46.4°F (8.0°C)	2.8°F (1.6°C)	3rd Warmest	Warmest since: 2015	1934
Jun 2017–Apr 2018 11-Month	50.9°F (10.5°C)	47.9°F (8.8°C)	3.0°F (1.7°C)	124th Coolest	Coolest since: 2017	1917
Jun 2017–Apr 2018 11-Month	50.9°F (10.5°C)	47.9°F (8.8°C)	3.0°F (1.7°C)	4th Warmest	Warmest since: 2015	1934
May 2017–Apr 2018 12-Month	51.3°F (10.7°C)	48.4°F (9.1°C)	2.9°F (1.6°C)	124th Coolest	Coolest since: 2017	1917
May 2017–Apr 2018 12-Month	51.3°F (10.7°C)	48.4°F (9.1°C)	2.9°F (1.6°C)	4th Warmest	Warmest since: 2015	2015
Nov 2016–Apr 2018 18-Month	46.9°F (8.3°C)	44.1°F (6.7°C)	2.8°F (1.6°C)	123rd Coolest	Coolest since: 2017	1933, 1949
Nov 2016–Apr 2018 18-Month	46.9°F (8.3°C)	44.1°F (6.7°C)	2.8°F (1.6°C)	4th Warmest	Warmest since: 2016	2015
May 2016–Apr 2018 24-Month	51.1°F (10.6°C)	48.5°F (9.2°C)	2.6°F (1.4°C)	123rd Coolest	Coolest since: 2017	1913, 1917
May 2016–Apr 2018 24-Month	51.1°F (10.6°C)	48.5°F (9.2°C)	2.6°F (1.4°C)	4th Warmest	Warmest since: 2016	2015, 2016
May 2015–Apr 2018 36-Month	51.0°F (10.6°C)	48.5°F (9.2°C)	2.5°F (1.4°C)	122nd Coolest	Coolest since: 2014	1914, 1917
May 2015–Apr 2018 36-Month	51.0°F (10.6°C)	48.5°F (9.2°C)	2.5°F (1.4°C)	4th Warmest	Warmest since: 2017	2016, 2017
May 2014–Apr 2018 48-Month	51.3°F (10.7°C)	48.4°F (9.1°C)	2.9°F (1.6°C)	124th Coolest	Coolest since: 2017	1915, 1917
May 2014–Apr 2018 48-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
May 2013–Apr 2018 60-Month	51.2°F (10.7°C)	48.4°F (9.1°C)	2.8°F (1.6°C)	123rd Coolest	Coolest since: 2017	1917
May 2013–Apr 2018 60-Month	51.2°F (10.7°C)	48.4°F (9.1°C)	2.8°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 January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings