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 1917

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1917 1-Month	61.0°F (16.1°C)	60.8°F (16.0°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1916	1912
	61.0°F (16.1°C)	60.8°F (16.0°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1910	2022
	Ties: 1904
Aug–Sep 1917 2-Month	65.2°F (18.4°C)	65.1°F (18.4°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1916	1900
	65.2°F (18.4°C)	65.1°F (18.4°C)	0.1°F (0.0°C)	72nd Warmest	Warmest since: 1914	2020
	Ties: 1904, 1910, 1914, 1956, 1999
Jul–Sep 1917 3-Month	68.2°F (20.1°C)	67.3°F (19.6°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1916	1912
	68.2°F (20.1°C)	67.3°F (19.6°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1898	2022
	Ties: 1940, 1943, 1958, 1966
Jun–Sep 1917 4-Month	66.8°F (19.3°C)	66.2°F (19.0°C)	0.6°F (0.3°C)	75th Coolest	Coolest since: 1916	1907
	66.8°F (19.3°C)	66.2°F (19.0°C)	0.6°F (0.3°C)	54th Warmest	Warmest since: 1910	2021
	Ties: 1921, 1926, 1987, 1989
May–Sep 1917 5-Month	63.2°F (17.3°C)	63.9°F (17.7°C)	-0.7°F (-0.4°C)	31st Coolest	Coolest since: 1916	1907, 1965
	63.2°F (17.3°C)	63.9°F (17.7°C)	-0.7°F (-0.4°C)	98th Warmest	Warmest since: 1914	2021
	Ties: 1909, 1971
Apr–Sep 1917 6-Month	59.7°F (15.4°C)	60.9°F (16.1°C)	-1.2°F (-0.7°C)	20th Coolest	Coolest since: 1916	1912
	59.7°F (15.4°C)	60.9°F (16.1°C)	-1.2°F (-0.7°C)	109th Warmest	Warmest since: 1915	2021
	Ties: 1896, 1906, 1920
Mar–Sep 1917 7-Month	55.6°F (13.1°C)	57.7°F (14.3°C)	-2.1°F (-1.2°C)	5th Coolest	Coolest since: 1912	1912
	55.6°F (13.1°C)	57.7°F (14.3°C)	-2.1°F (-1.2°C)	124th Warmest	Warmest since: 1916	1934, 2007, 2021
	Ties: 1907, 1944
Feb–Sep 1917 8-Month	52.1°F (11.2°C)	54.5°F (12.5°C)	-2.4°F (-1.3°C)	3rd Coolest	Coolest since: 1912	1903
	52.1°F (11.2°C)	54.5°F (12.5°C)	-2.4°F (-1.3°C)	126th Warmest	Warmest since: 1916	1934, 2015
	Ties: 1912, 1965
Jan–Sep 1917 9-Month	48.2°F (9.0°C)	51.6°F (10.9°C)	-3.4°F (-1.9°C)	1st Coolest	Coolest since: 1917	1917
Jan–Sep 1917 9-Month	48.2°F (9.0°C)	51.6°F (10.9°C)	-3.4°F (-1.9°C)	128th Warmest	Warmest since: 1916	2015
Dec 1916–Sep 1917 10-Month	46.0°F (7.8°C)	49.4°F (9.7°C)	-3.4°F (-1.9°C)	1st Coolest	Coolest since: 1917	1917
Dec 1916–Sep 1917 10-Month	46.0°F (7.8°C)	49.4°F (9.7°C)	-3.4°F (-1.9°C)	127th Warmest	Warmest since: 1916	2015
Nov 1916–Sep 1917 11-Month	44.8°F (7.1°C)	48.3°F (9.1°C)	-3.5°F (-2.0°C)	1st Coolest	Coolest since: 1917	1917
Nov 1916–Sep 1917 11-Month	44.8°F (7.1°C)	48.3°F (9.1°C)	-3.5°F (-2.0°C)	127th Warmest	Warmest since: 1916	2015
Oct 1916–Sep 1917 12-Month	44.9°F (7.2°C)	48.5°F (9.2°C)	-3.6°F (-2.0°C)	1st Coolest	Coolest since: 1917	1917
Oct 1916–Sep 1917 12-Month	44.9°F (7.2°C)	48.5°F (9.2°C)	-3.6°F (-2.0°C)	127th Warmest	Warmest since: 1916	2015
Apr 1916–Sep 1917 18-Month	49.7°F (9.8°C)	52.5°F (11.4°C)	-2.8°F (-1.6°C)	1st Coolest	Coolest since: 1917	1917
Apr 1916–Sep 1917 18-Month	49.7°F (9.8°C)	52.5°F (11.4°C)	-2.8°F (-1.6°C)	127th Warmest	Warmest since: 1916	2015
Oct 1915–Sep 1917 24-Month	46.5°F (8.1°C)	48.4°F (9.1°C)	-1.9°F (-1.0°C)	2nd Coolest	Coolest since: 1913	1913
	46.5°F (8.1°C)	48.4°F (9.1°C)	-1.9°F (-1.0°C)	125th Warmest	Warmest since: 1916	2016
	Ties: 1933, 1949
Oct 1914–Sep 1917 36-Month	46.9°F (8.3°C)	48.4°F (9.1°C)	-1.5°F (-0.8°C)	1st Coolest	Coolest since: 1917	1917
Oct 1914–Sep 1917 36-Month	46.9°F (8.3°C)	48.4°F (9.1°C)	-1.5°F (-0.8°C)	125th Warmest	Warmest since: 1916	2017
Oct 1913–Sep 1917 48-Month	47.4°F (8.6°C)	48.4°F (9.1°C)	-1.0°F (-0.5°C)	2nd Coolest	Coolest since: 1915	1915
	47.4°F (8.6°C)	48.4°F (9.1°C)	-1.0°F (-0.5°C)	123rd Warmest	Warmest since: 1916	2018
	Ties: 1913, 1914, 1950
Oct 1912–Sep 1917 60-Month	47.2°F (8.4°C)	48.4°F (9.1°C)	-1.2°F (-0.7°C)	1st Coolest	Coolest since: 1917	1917
Oct 1912–Sep 1917 60-Month	47.2°F (8.4°C)	48.4°F (9.1°C)	-1.2°F (-0.7°C)	123rd Warmest	Warmest since: 1916	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings