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 1910

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1910 1-Month	61.4°F (16.3°C)	60.8°F (16.0°C)	0.6°F (0.3°C)	72nd Coolest	Coolest since: 1909	1912
	61.4°F (16.3°C)	60.8°F (16.0°C)	0.6°F (0.3°C)	57th Warmest	Warmest since: 1899	2022
	Ties: 1919, 2016, 2019
Aug–Sep 1910 2-Month	65.2°F (18.4°C)	65.2°F (18.4°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1909	1900
	65.2°F (18.4°C)	65.2°F (18.4°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1904	2020
	Ties: 1904, 1914, 1917, 1956, 1999
Jul–Sep 1910 3-Month	67.5°F (19.7°C)	67.2°F (19.6°C)	0.3°F (0.1°C)	67th Coolest	Coolest since: 1909	1912
	67.5°F (19.7°C)	67.2°F (19.6°C)	0.3°F (0.1°C)	62nd Warmest	Warmest since: 1898	2022
	Ties: 1928, 1946, 1949, 2004
Jun–Sep 1910 4-Month	66.9°F (19.4°C)	66.3°F (19.1°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1909	1907
	66.9°F (19.4°C)	66.3°F (19.1°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1898	2021
	Ties: 1934, 1967, 1991, 1992
May–Sep 1910 5-Month	64.9°F (18.3°C)	63.8°F (17.7°C)	1.1°F (0.6°C)	90th Coolest	Coolest since: 1909	1907, 1965
	64.9°F (18.3°C)	63.8°F (17.7°C)	1.1°F (0.6°C)	39th Warmest	Warmest to Date	2021
	Ties: 2004
Apr–Sep 1910 6-Month	62.4°F (16.9°C)	60.8°F (16.0°C)	1.6°F (0.9°C)	100th Coolest	Coolest since: 1909	1912
	62.4°F (16.9°C)	60.8°F (16.0°C)	1.6°F (0.9°C)	29th Warmest	Warmest to Date	2021
	Ties: 1926, 1939, 2009
Mar–Sep 1910 7-Month	59.9°F (15.5°C)	57.6°F (14.2°C)	2.3°F (1.3°C)	109th Coolest	Coolest since: 1909	1912
Mar–Sep 1910 7-Month	59.9°F (15.5°C)	57.6°F (14.2°C)	2.3°F (1.3°C)	20th Warmest	Warmest to Date	1934, 2007, 2021
Feb–Sep 1910 8-Month	56.0°F (13.3°C)	54.5°F (12.5°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 1909	1903
	56.0°F (13.3°C)	54.5°F (12.5°C)	1.5°F (0.8°C)	26th Warmest	Warmest to Date	1934, 2015
	Ties: 1990, 2006, 2009
Jan–Sep 1910 9-Month	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 1909	1917
	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	42nd Warmest	Warmest since: 1900	2015
	Ties: 1921, 1988
Dec 1909–Sep 1910 10-Month	49.3°F (9.6°C)	49.4°F (9.7°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1909	1917
	49.3°F (9.6°C)	49.4°F (9.7°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1905	2015
	Ties: 1901
Nov 1909–Sep 1910 11-Month	48.3°F (9.1°C)	48.3°F (9.1°C)	0.0°F (0.0°C)	50th Coolest	Coolest since: 1909	1917
	48.3°F (9.1°C)	48.3°F (9.1°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 1905	2015
	Ties: 1904, 1950, 1982, 1995
Oct 1909–Sep 1910 12-Month	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1909	1917
	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1905	2015
	Ties: 1901, 1968
Apr 1909–Sep 1910 18-Month	52.3°F (11.3°C)	52.5°F (11.4°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1909	1917
	52.3°F (11.3°C)	52.5°F (11.4°C)	-0.2°F (-0.1°C)	82nd Warmest	Warmest since: 1905	2015
	Ties: 1920, 1957, 1969
Oct 1908–Sep 1910 24-Month	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	37th Coolest	Coolest since: 1909	1913
	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1909	2016
	Ties: 1909, 1925, 1930, 1946, 1964, 1971, 1975
Oct 1907–Sep 1910 36-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	42nd Coolest	Coolest since: 1909	1917
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1902	2017
	Ties: 1911, 1916, 1921, 1932, 1947, 1972
Oct 1906–Sep 1910 48-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	36th Coolest	Coolest since: 1909	1915
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	89th Warmest	Warmest since: 1905	2018
	Ties: 1903, 1905, 1922, 1955, 1958, 1974
Oct 1905–Sep 1910 60-Month	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	12th Coolest	Coolest since: 1909	1917
	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	112th Warmest	Warmest since: 1909	2018
	Ties: 1900, 1906, 1909, 1912, 1918, 1924, 1948

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