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, October 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 2009 1-Month	46.7°F (8.2°C)	49.7°F (9.8°C)	-3.0°F (-1.6°C)	20th Coolest	Coolest since: 1984	1919
	46.7°F (8.2°C)	49.7°F (9.8°C)	-3.0°F (-1.6°C)	109th Warmest	Warmest since: 2008	1988
	Ties: 1981
Sep–Oct 2009 2-Month	56.1°F (13.4°C)	55.3°F (12.9°C)	0.8°F (0.5°C)	83rd Coolest	Coolest since: 2007	1912
Sep–Oct 2009 2-Month	56.1°F (13.4°C)	55.3°F (12.9°C)	0.8°F (0.5°C)	46th Warmest	Warmest since: 2008	2015
Aug–Oct 2009 3-Month	60.6°F (15.9°C)	60.0°F (15.6°C)	0.6°F (0.3°C)	76th Coolest	Coolest since: 2006	1912
	60.6°F (15.9°C)	60.0°F (15.6°C)	0.6°F (0.3°C)	53rd Warmest	Warmest since: 2008	2020
	Ties: 1998
Jul–Oct 2009 4-Month	63.7°F (17.6°C)	62.8°F (17.1°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 2006	1912
	63.7°F (17.6°C)	62.8°F (17.1°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 2008	2022
	Ties: 1921, 1942, 1977, 1998
Jun–Oct 2009 5-Month	63.3°F (17.4°C)	63.0°F (17.2°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 2005	1912
	63.3°F (17.4°C)	63.0°F (17.2°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 2008	2022
	Ties: 1953, 1955, 1962, 1989, 2005
May–Oct 2009 6-Month	62.6°F (17.0°C)	61.5°F (16.4°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 2005	1912
	62.6°F (17.0°C)	61.5°F (16.4°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 2008	2003
	Ties: 1922, 1926, 1933
Apr–Oct 2009 7-Month	60.1°F (15.6°C)	59.2°F (15.1°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 2005	1912
	60.1°F (15.6°C)	59.2°F (15.1°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 2008	2020
	Ties: 1919, 1954, 1985
Mar–Oct 2009 8-Month	57.5°F (14.2°C)	56.6°F (13.7°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 2008	1912
	57.5°F (14.2°C)	56.6°F (13.7°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 2008	1934, 2015
	Ties: 1921, 1979, 2008
Feb–Oct 2009 9-Month	54.9°F (12.7°C)	53.9°F (12.2°C)	1.0°F (0.5°C)	94th Coolest	Coolest since: 2008	1912
	54.9°F (12.7°C)	53.9°F (12.2°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 2007	2015
	Ties: 1921, 1954, 1972, 1989, 1997
Jan–Oct 2009 10-Month	52.7°F (11.5°C)	51.4°F (10.8°C)	1.3°F (0.7°C)	103rd Coolest	Coolest since: 2008	1917
	52.7°F (11.5°C)	51.4°F (10.8°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 2007	2015
	Ties: 1936, 1987, 2004
Dec 2008–Oct 2009 11-Month	50.5°F (10.3°C)	49.4°F (9.7°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 2008	1917
	50.5°F (10.3°C)	49.4°F (9.7°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 2007	2015
	Ties: 1947
Nov 2008–Oct 2009 12-Month	49.9°F (9.9°C)	48.4°F (9.1°C)	1.5°F (0.8°C)	105th Coolest	Coolest since: 2008	1917
Nov 2008–Oct 2009 12-Month	49.9°F (9.9°C)	48.4°F (9.1°C)	1.5°F (0.8°C)	23rd Warmest	Warmest since: 2007	2015
May 2008–Oct 2009 18-Month	54.2°F (12.3°C)	52.8°F (11.6°C)	1.4°F (0.7°C)	107th Coolest	Coolest since: 2008	1917
May 2008–Oct 2009 18-Month	54.2°F (12.3°C)	52.8°F (11.6°C)	1.4°F (0.7°C)	21st Warmest	Warmest since: 2007	2015
Nov 2007–Oct 2009 24-Month	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	95th Coolest	Coolest since: 2005	1949
	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	32nd Warmest	Warmest since: 2008	2015
	Ties: 1960, 1978, 1982, 1990, 2005
Nov 2006–Oct 2009 36-Month	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	107th Coolest	Coolest since: 2006	1913
	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	19th Warmest	Warmest since: 2008	2016
	Ties: 2013
Nov 2005–Oct 2009 48-Month	49.9°F (9.9°C)	48.4°F (9.1°C)	1.5°F (0.8°C)	110th Coolest	Coolest since: 2008	1913
	49.9°F (9.9°C)	48.4°F (9.1°C)	1.5°F (0.8°C)	15th Warmest	Warmest since: 2007	2018
	Ties: 2007
Nov 2004–Oct 2009 60-Month	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	109th Coolest	Coolest since: 2008	1917
	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	15th Warmest	Warmest since: 2007	2018
	Ties: 2001, 2014

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings