Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Wyoming

Average Temperature Rankings, September 1919

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1919 1-Month	56.1°F (13.4°C)	53.6°F (12.0°C)	2.5°F (1.4°C)	100th Coolest	Coolest since: 1918	1965
September 1919 1-Month	56.1°F (13.4°C)	53.6°F (12.0°C)	2.5°F (1.4°C)	29th Warmest	Warmest since: 1897	1998
Aug–Sep 1919 2-Month	60.1°F (15.6°C)	58.4°F (14.7°C)	1.7°F (0.9°C)	96th Coolest	Coolest since: 1918	1912
	60.1°F (15.6°C)	58.4°F (14.7°C)	1.7°F (0.9°C)	33rd Warmest	Warmest to Date	2022
	Ties: 1953, 1991, 1995
Jul–Sep 1919 3-Month	62.9°F (17.2°C)	60.7°F (15.9°C)	2.2°F (1.3°C)	112th Coolest	Coolest since: 1918	1912
	62.9°F (17.2°C)	60.7°F (15.9°C)	2.2°F (1.3°C)	17th Warmest	Warmest to Date	2022
	Ties: 1990
Jun–Sep 1919 4-Month	62.6°F (17.0°C)	60.0°F (15.6°C)	2.6°F (1.4°C)	119th Coolest	Coolest since: 1918	1912, 1915
	62.6°F (17.0°C)	60.0°F (15.6°C)	2.6°F (1.4°C)	10th Warmest	Warmest to Date	2021
	Ties: 2015
May–Sep 1919 5-Month	60.2°F (15.7°C)	57.7°F (14.3°C)	2.5°F (1.4°C)	117th Coolest	Coolest since: 1918	1915
May–Sep 1919 5-Month	60.2°F (15.7°C)	57.7°F (14.3°C)	2.5°F (1.4°C)	12th Warmest	Warmest to Date	2012
Apr–Sep 1919 6-Month	56.7°F (13.7°C)	54.5°F (12.5°C)	2.2°F (1.2°C)	116th Coolest	Coolest since: 1918	1912
Apr–Sep 1919 6-Month	56.7°F (13.7°C)	54.5°F (12.5°C)	2.2°F (1.2°C)	13th Warmest	Warmest to Date	2012
Mar–Sep 1919 7-Month	52.9°F (11.6°C)	50.9°F (10.5°C)	2.0°F (1.1°C)	110th Coolest	Coolest since: 1918	1912
	52.9°F (11.6°C)	50.9°F (10.5°C)	2.0°F (1.1°C)	19th Warmest	Warmest since: 1910	2012
	Ties: 2020
Feb–Sep 1919 8-Month	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	100th Coolest	Coolest since: 1918	1912
	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 1910	2012
	Ties: 1998, 2020, 2022
Jan–Sep 1919 9-Month	45.9°F (7.7°C)	44.1°F (6.7°C)	1.8°F (1.0°C)	104th Coolest	Coolest since: 1918	1917
	45.9°F (7.7°C)	44.1°F (6.7°C)	1.8°F (1.0°C)	25th Warmest	Warmest to Date	2012
	Ties: 1931, 1998
Dec 1918–Sep 1919 10-Month	43.4°F (6.3°C)	41.7°F (5.4°C)	1.7°F (0.9°C)	105th Coolest	Coolest since: 1918	1917
	43.4°F (6.3°C)	41.7°F (5.4°C)	1.7°F (0.9°C)	23rd Warmest	Warmest to Date	1934, 2012
	Ties: 1990, 1998, 2013
Nov 1918–Sep 1919 11-Month	41.8°F (5.4°C)	40.6°F (4.8°C)	1.2°F (0.6°C)	97th Coolest	Coolest since: 1918	1917
	41.8°F (5.4°C)	40.6°F (4.8°C)	1.2°F (0.6°C)	31st Warmest	Warmest since: 1900	1934
	Ties: 1935, 2002
Oct 1918–Sep 1919 12-Month	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 1918	1917
	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	27th Warmest	Warmest to Date	1934
	Ties: 1998, 2004, 2009
Apr 1918–Sep 1919 18-Month	45.8°F (7.7°C)	45.3°F (7.4°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1918	1917
	45.8°F (7.7°C)	45.3°F (7.4°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1911	1934
	Ties: 1980, 1986, 1994, 1997, 2011
Oct 1917–Sep 1919 24-Month	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 1918	1913, 1917
	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	42nd Warmest	Warmest since: 1901	2016
	Ties: 1901, 1959, 1961, 1996
Oct 1916–Sep 1919 36-Month	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	13th Coolest	Coolest since: 1918	1917
	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	113th Warmest	Warmest since: 1916	2017
	Ties: 1900, 1912, 1950, 1975
Oct 1915–Sep 1919 48-Month	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	12th Coolest	Coolest since: 1918	1899
	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	113th Warmest	Warmest since: 1916	2018
	Ties: 1906, 1912, 1929
Oct 1914–Sep 1919 60-Month	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	10th Coolest	Coolest since: 1918	1917
Oct 1914–Sep 1919 60-Month	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	114th Warmest	Warmest since: 1914	2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings