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 1915

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1915 1-Month	58.9°F (14.9°C)	60.8°F (16.0°C)	-1.9°F (-1.1°C)	19th Coolest	Coolest since: 1912	1912
	58.9°F (14.9°C)	60.8°F (16.0°C)	-1.9°F (-1.1°C)	110th Warmest	Warmest since: 1914	2022
	Ties: 1929, 1964
Aug–Sep 1915 2-Month	65.0°F (18.3°C)	65.1°F (18.4°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1913	1900
	65.0°F (18.3°C)	65.1°F (18.4°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1914	2020
	Ties: 1948
Jul–Sep 1915 3-Month	66.6°F (19.2°C)	67.3°F (19.6°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1913	1912
	66.6°F (19.2°C)	67.3°F (19.6°C)	-0.7°F (-0.4°C)	101st Warmest	Warmest since: 1914	2022
	Ties: 1896, 1944, 1964, 1972
Jun–Sep 1915 4-Month	65.1°F (18.4°C)	66.2°F (19.0°C)	-1.1°F (-0.6°C)	16th Coolest	Coolest since: 1913	1907
Jun–Sep 1915 4-Month	65.1°F (18.4°C)	66.2°F (19.0°C)	-1.1°F (-0.6°C)	113th Warmest	Warmest since: 1914	2021
May–Sep 1915 5-Month	62.4°F (16.9°C)	63.9°F (17.7°C)	-1.5°F (-0.8°C)	8th Coolest	Coolest since: 1912	1907, 1965
	62.4°F (16.9°C)	63.9°F (17.7°C)	-1.5°F (-0.8°C)	121st Warmest	Warmest since: 1914	2021
	Ties: 1911, 1944
Apr–Sep 1915 6-Month	60.1°F (15.6°C)	60.8°F (16.0°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1913	1912
	60.1°F (15.6°C)	60.8°F (16.0°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1914	2021
	Ties: 1909, 1998
Mar–Sep 1915 7-Month	57.3°F (14.1°C)	57.7°F (14.3°C)	-0.4°F (-0.2°C)	51st Coolest	Coolest since: 1913	1912
	57.3°F (14.1°C)	57.7°F (14.3°C)	-0.4°F (-0.2°C)	78th Warmest	Warmest since: 1914	1934, 2007, 2021
	Ties: 1978, 2010
Feb–Sep 1915 8-Month	54.3°F (12.4°C)	54.5°F (12.5°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1913	1903
	54.3°F (12.4°C)	54.5°F (12.5°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1914	1934, 2015
	Ties: 1927
Jan–Sep 1915 9-Month	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1913	1917
	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1914	2015
	Ties: 1896, 1957, 1971, 1976, 1983
Dec 1914–Sep 1915 10-Month	48.4°F (9.1°C)	49.3°F (9.6°C)	-0.9°F (-0.5°C)	23rd Coolest	Coolest since: 1913	1917
	48.4°F (9.1°C)	49.3°F (9.6°C)	-0.9°F (-0.5°C)	105th Warmest	Warmest since: 1914	2015
	Ties: 1942, 1945
Nov 1914–Sep 1915 11-Month	47.6°F (8.7°C)	48.3°F (9.1°C)	-0.7°F (-0.4°C)	29th Coolest	Coolest since: 1913	1917
	47.6°F (8.7°C)	48.3°F (9.1°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 1914	2015
	Ties: 1898, 1907
Oct 1914–Sep 1915 12-Month	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	33rd Coolest	Coolest since: 1913	1917
	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	95th Warmest	Warmest since: 1914	2015
	Ties: 1922, 1957, 1991
Apr 1914–Sep 1915 18-Month	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1913	1917
	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1914	2015
	Ties: 1898, 1901, 1904, 1932, 1937, 1946, 1966, 1968, 1972
Oct 1913–Sep 1915 24-Month	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1914	1913
	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1911	2016
	Ties: 1911, 1922, 1944, 1980
Oct 1912–Sep 1915 36-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	11th Coolest	Coolest since: 1914	1917
	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	115th Warmest	Warmest since: 1911	2017
	Ties: 1898, 1907, 1946, 1973, 1975
Oct 1911–Sep 1915 48-Month	47.3°F (8.5°C)	48.4°F (9.1°C)	-1.1°F (-0.6°C)	1st Coolest	Coolest since: 1915	1915
Oct 1911–Sep 1915 48-Month	47.3°F (8.5°C)	48.4°F (9.1°C)	-1.1°F (-0.6°C)	124th Warmest	Warmest since: 1914	2018
Oct 1910–Sep 1915 60-Month	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	3rd Coolest	Coolest since: 1913	1917
	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	121st Warmest	Warmest since: 1914	2018
	Ties: 1916

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published November 2022, retrieved on December 5, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings