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 1998

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1998 1-Month	62.3°F (16.8°C)	60.8°F (16.0°C)	1.5°F (0.8°C)	85th Coolest	Coolest since: 1997	1912
	62.3°F (16.8°C)	60.8°F (16.0°C)	1.5°F (0.8°C)	44th Warmest	Warmest since: 1997	2022
	Ties: 1997
Aug–Sep 1998 2-Month	67.2°F (19.6°C)	65.1°F (18.4°C)	2.1°F (1.2°C)	112th Coolest	Coolest since: 1997	1900
	67.2°F (19.6°C)	65.1°F (18.4°C)	2.1°F (1.2°C)	17th Warmest	Warmest since: 1994	2020
	Ties: 1935, 1958, 1990
Jul–Sep 1998 3-Month	69.2°F (20.7°C)	67.2°F (19.6°C)	2.0°F (1.1°C)	111th Coolest	Coolest since: 1997	1912
	69.2°F (20.7°C)	67.2°F (19.6°C)	2.0°F (1.1°C)	18th Warmest	Warmest since: 1994	2022
	Ties: 1931, 1937, 2002, 2011
Jun–Sep 1998 4-Month	66.6°F (19.2°C)	66.2°F (19.0°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1997	1907
	66.6°F (19.2°C)	66.2°F (19.0°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1997	2021
	Ties: 1946, 1997
May–Sep 1998 5-Month	63.4°F (17.4°C)	63.8°F (17.7°C)	-0.4°F (-0.3°C)	40th Coolest	Coolest since: 1995	1907, 1965
	63.4°F (17.4°C)	63.8°F (17.7°C)	-0.4°F (-0.3°C)	89th Warmest	Warmest since: 1997	2021
	Ties: 1942, 1955, 1957
Apr–Sep 1998 6-Month	60.1°F (15.6°C)	60.9°F (16.1°C)	-0.8°F (-0.5°C)	34th Coolest	Coolest since: 1995	1912
	60.1°F (15.6°C)	60.9°F (16.1°C)	-0.8°F (-0.5°C)	95th Warmest	Warmest since: 1997	2021
	Ties: 1909, 1915
Mar–Sep 1998 7-Month	57.1°F (13.9°C)	57.7°F (14.3°C)	-0.6°F (-0.4°C)	41st Coolest	Coolest since: 1995	1912
	57.1°F (13.9°C)	57.7°F (14.3°C)	-0.6°F (-0.4°C)	88th Warmest	Warmest since: 1997	1934, 2007, 2021
	Ties: 1901, 1905, 1927, 1929, 1952, 1973
Feb–Sep 1998 8-Month	54.0°F (12.2°C)	54.5°F (12.5°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1993	1903
	54.0°F (12.2°C)	54.5°F (12.5°C)	-0.5°F (-0.3°C)	90th Warmest	Warmest since: 1997	1934, 2015
	Ties: 1953
Jan–Sep 1998 9-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1993	1917
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1997	2015
	Ties: 1927, 1939, 1951, 1980, 2010
Dec 1997–Sep 1998 10-Month	49.4°F (9.7°C)	49.4°F (9.7°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1993	1917
	49.4°F (9.7°C)	49.4°F (9.7°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1997	2015
	Ties: 1905, 1927, 1967
Nov 1997–Sep 1998 11-Month	48.5°F (9.2°C)	48.3°F (9.1°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1995	1917
	48.5°F (9.2°C)	48.3°F (9.1°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1997	2015
	Ties: 1967
Oct 1997–Sep 1998 12-Month	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1995	1917
	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1997	2015
	Ties: 1914, 1946, 1947, 1967, 1999
Apr 1997–Sep 1998 18-Month	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1993	1917
	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1997	2015
	Ties: 1919, 1947, 1991, 2010
Oct 1996–Sep 1998 24-Month	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 1994	1913
	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	42nd Warmest	Warmest since: 1997	2016
	Ties: 1936, 1978, 2010
Oct 1995–Sep 1998 36-Month	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	104th Coolest	Coolest since: 1997	1917
Oct 1995–Sep 1998 36-Month	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	22nd Warmest	Warmest since: 1996	2017
Oct 1994–Sep 1998 48-Month	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	98th Coolest	Coolest since: 1996	1915
	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	27th Warmest	Warmest since: 1997	2018
	Ties: 1989, 2010
Oct 1993–Sep 1998 60-Month	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	104th Coolest	Coolest since: 1997	1917
	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	20th Warmest	Warmest since: 1996	2018
	Ties: 1996, 2010, 2013

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings