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 1898

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1898 1-Month	60.7°F (15.9°C)	60.8°F (16.0°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1897	1912
	60.7°F (15.9°C)	60.8°F (16.0°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest to Date	2022
	Ties: 1954, 2017
Aug–Sep 1898 2-Month	66.4°F (19.1°C)	65.2°F (18.4°C)	1.2°F (0.7°C)	93rd Coolest	Coolest since: 1897	1900
	66.4°F (19.1°C)	65.2°F (18.4°C)	1.2°F (0.7°C)	36th Warmest	Warmest to Date	2020
	Ties: 1919, 1934, 1979, 2013, 2014
Jul–Sep 1898 3-Month	68.3°F (20.2°C)	67.2°F (19.6°C)	1.1°F (0.6°C)	90th Coolest	Coolest since: 1897	1912
	68.3°F (20.2°C)	67.2°F (19.6°C)	1.1°F (0.6°C)	39th Warmest	Warmest to Date	2022
	Ties: 1988, 2005, 2006
Jun–Sep 1898 4-Month	67.3°F (19.6°C)	66.2°F (19.0°C)	1.1°F (0.6°C)	91st Coolest	Coolest since: 1897	1907
	67.3°F (19.6°C)	66.2°F (19.0°C)	1.1°F (0.6°C)	38th Warmest	Warmest to Date	2021
	Ties: 1918, 1936
May–Sep 1898 5-Month	64.2°F (17.9°C)	63.8°F (17.7°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1896	1907, 1965
	64.2°F (17.9°C)	63.8°F (17.7°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1897	2021
	Ties: 1918, 1933, 1972, 1973
Apr–Sep 1898 6-Month	61.9°F (16.6°C)	60.9°F (16.1°C)	1.0°F (0.5°C)	90th Coolest	Coolest since: 1897	1912
	61.9°F (16.6°C)	60.9°F (16.1°C)	1.0°F (0.5°C)	39th Warmest	Warmest to Date	2021
	Ties: 1985
Mar–Sep 1898 7-Month	57.8°F (14.3°C)	57.7°F (14.3°C)	0.1°F (0.0°C)	67th Coolest	Coolest since: 1897	1912
	57.8°F (14.3°C)	57.7°F (14.3°C)	0.1°F (0.0°C)	62nd Warmest	Warmest to Date	1934, 2007, 2021
	Ties: 1958
Feb–Sep 1898 8-Month	54.8°F (12.7°C)	54.4°F (12.4°C)	0.4°F (0.3°C)	74th Coolest	Coolest since: 1897	1903
	54.8°F (12.7°C)	54.4°F (12.4°C)	0.4°F (0.3°C)	55th Warmest	Warmest to Date	1934, 2015
	Ties: 1935, 1963, 1995
Jan–Sep 1898 9-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	33rd Coolest	Coolest since: 1897	1917
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	96th Warmest	Warmest since: 1896	2015
	Ties: 1902, 1950, 1984
Dec 1897–Sep 1898 10-Month	48.5°F (9.2°C)	49.4°F (9.7°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1898	1917
	48.5°F (9.2°C)	49.4°F (9.7°C)	-0.9°F (-0.5°C)	102nd Warmest	Warmest since: 1897	2015
	Ties: 1979
Nov 1897–Sep 1898 11-Month	47.6°F (8.7°C)	48.3°F (9.1°C)	-0.7°F (-0.4°C)	29th Coolest	Coolest since: 1896	1917
	47.6°F (8.7°C)	48.3°F (9.1°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 1897	2015
	Ties: 1907, 1915
Oct 1897–Sep 1898 12-Month	47.6°F (8.7°C)	48.5°F (9.2°C)	-0.9°F (-0.5°C)	27th Coolest	Coolest since: 1896	1917
	47.6°F (8.7°C)	48.5°F (9.2°C)	-0.9°F (-0.5°C)	101st Warmest	Warmest since: 1897	2015
	Ties: 1896
Apr 1897–Sep 1898 18-Month	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1897	1917
	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest to Date	2015
	Ties: 1901, 1904, 1915, 1932, 1937, 1946, 1966, 1968, 1972
Oct 1896–Sep 1898 24-Month	47.8°F (8.8°C)	48.5°F (9.2°C)	-0.7°F (-0.4°C)	21st Coolest	Coolest since: 1897	1913
	47.8°F (8.8°C)	48.5°F (9.2°C)	-0.7°F (-0.4°C)	106th Warmest	Warmest since: 1897	2016
	Ties: 1897, 1921, 1942
Oct 1895–Sep 1898 36-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	11th Coolest	Coolest since: 1898	1917
	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	115th Warmest	Warmest to Date	2017
	Ties: 1907, 1915, 1946, 1973, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings