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 1989

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1989 1-Month	61.3°F (16.3°C)	60.8°F (16.0°C)	0.5°F (0.3°C)	68th Coolest	Coolest since: 1988	1912
	61.3°F (16.3°C)	60.8°F (16.0°C)	0.5°F (0.3°C)	61st Warmest	Warmest since: 1987	2022
	Ties: 1976, 1999
Aug–Sep 1989 2-Month	64.6°F (18.1°C)	65.1°F (18.4°C)	-0.5°F (-0.3°C)	37th Coolest	Coolest since: 1986	1900
	64.6°F (18.1°C)	65.1°F (18.4°C)	-0.5°F (-0.3°C)	92nd Warmest	Warmest since: 1988	2020
	Ties: 1909, 1913, 1924, 1950
Jul–Sep 1989 3-Month	67.7°F (19.8°C)	67.2°F (19.6°C)	0.5°F (0.2°C)	73rd Coolest	Coolest since: 1987	1912
Jul–Sep 1989 3-Month	67.7°F (19.8°C)	67.2°F (19.6°C)	0.5°F (0.2°C)	56th Warmest	Warmest since: 1988	2022
Jun–Sep 1989 4-Month	66.8°F (19.3°C)	66.3°F (19.1°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 1987	1907
	66.8°F (19.3°C)	66.3°F (19.1°C)	0.5°F (0.2°C)	54th Warmest	Warmest since: 1988	2021
	Ties: 1917, 1921, 1926, 1987
May–Sep 1989 5-Month	64.4°F (18.0°C)	63.9°F (17.7°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1986	1907, 1965
	64.4°F (18.0°C)	63.9°F (17.7°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1988	2021
	Ties: 1897, 1985
Apr–Sep 1989 6-Month	62.3°F (16.8°C)	60.9°F (16.1°C)	1.4°F (0.7°C)	96th Coolest	Coolest since: 1988	1912
	62.3°F (16.8°C)	60.9°F (16.1°C)	1.4°F (0.7°C)	33rd Warmest	Warmest since: 1987	2021
	Ties: 1969
Mar–Sep 1989 7-Month	59.6°F (15.3°C)	57.6°F (14.2°C)	2.0°F (1.1°C)	107th Coolest	Coolest since: 1988	1912
	59.6°F (15.3°C)	57.6°F (14.2°C)	2.0°F (1.1°C)	22nd Warmest	Warmest since: 1940	1934, 2007, 2021
	Ties: 1931
Feb–Sep 1989 8-Month	55.6°F (13.1°C)	54.5°F (12.5°C)	1.1°F (0.6°C)	92nd Coolest	Coolest since: 1985	1903
	55.6°F (13.1°C)	54.5°F (12.5°C)	1.1°F (0.6°C)	37th Warmest	Warmest since: 1988	1934, 2015
	Ties: 1947
Jan–Sep 1989 9-Month	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1985	1917
	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	54th Warmest	Warmest since: 1988	2015
	Ties: 1935, 2019
Dec 1988–Sep 1989 10-Month	49.6°F (9.8°C)	49.4°F (9.7°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1985	1917
	49.6°F (9.8°C)	49.4°F (9.7°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1988	2015
	Ties: 1963
Nov 1988–Sep 1989 11-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 1985	1917
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	64th Warmest	Warmest since: 1988	2015
	Ties: 1905, 1970, 1972, 2011
Oct 1988–Sep 1989 12-Month	49.2°F (9.6°C)	48.4°F (9.1°C)	0.8°F (0.5°C)	86th Coolest	Coolest since: 1985	1917
	49.2°F (9.6°C)	48.4°F (9.1°C)	0.8°F (0.5°C)	42nd Warmest	Warmest since: 1988	2015
	Ties: 2005
Apr 1988–Sep 1989 18-Month	53.6°F (12.0°C)	52.6°F (11.4°C)	1.0°F (0.6°C)	95th Coolest	Coolest since: 1987	1917
	53.6°F (12.0°C)	52.6°F (11.4°C)	1.0°F (0.6°C)	33rd Warmest	Warmest since: 1988	2015
	Ties: 1938, 1978, 2005
Oct 1987–Sep 1989 24-Month	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1988	1913
	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1988	2016
	Ties: 1954, 1961, 1988, 1995
Oct 1986–Sep 1989 36-Month	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1987	1917
	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 1988	2017
	Ties: 1960, 1982, 2012
Oct 1985–Sep 1989 48-Month	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	98th Coolest	Coolest since: 1988	1915
	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	27th Warmest	Warmest since: 1937	2018
	Ties: 1998, 2010
Oct 1984–Sep 1989 60-Month	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	88th Coolest	Coolest since: 1988	1917
	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	36th Warmest	Warmest since: 1982	2018
	Ties: 1940, 1960, 1961, 1962, 1963, 1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published December 2022, retrieved on December 8, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings