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 1912

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1912 1-Month	45.4°F (7.4°C)	53.6°F (12.0°C)	-8.2°F (-4.6°C)	2nd Coolest	Coolest since: 1912	1965
September 1912 1-Month	45.4°F (7.4°C)	53.6°F (12.0°C)	-8.2°F (-4.6°C)	127th Warmest	Warmest since: 1911	1998
Aug–Sep 1912 2-Month	52.8°F (11.6°C)	58.5°F (14.7°C)	-5.7°F (-3.1°C)	1st Coolest	Coolest since: 1912	1912
Aug–Sep 1912 2-Month	52.8°F (11.6°C)	58.5°F (14.7°C)	-5.7°F (-3.1°C)	128th Warmest	Warmest since: 1911	2022
Jul–Sep 1912 3-Month	55.9°F (13.3°C)	60.7°F (15.9°C)	-4.8°F (-2.6°C)	1st Coolest	Coolest since: 1912	1912
Jul–Sep 1912 3-Month	55.9°F (13.3°C)	60.7°F (15.9°C)	-4.8°F (-2.6°C)	128th Warmest	Warmest since: 1911	2022
Jun–Sep 1912 4-Month	56.2°F (13.4°C)	60.0°F (15.6°C)	-3.8°F (-2.2°C)	1st Coolest	Coolest since: 1912	1912, 1915
	56.2°F (13.4°C)	60.0°F (15.6°C)	-3.8°F (-2.2°C)	128th Warmest	Warmest since: 1911	2021
	Ties: 1915
May–Sep 1912 5-Month	54.1°F (12.3°C)	57.6°F (14.2°C)	-3.5°F (-1.9°C)	2nd Coolest	Coolest since: 1912	1915
May–Sep 1912 5-Month	54.1°F (12.3°C)	57.6°F (14.2°C)	-3.5°F (-1.9°C)	127th Warmest	Warmest since: 1911	2012
Apr–Sep 1912 6-Month	51.3°F (10.7°C)	54.5°F (12.5°C)	-3.2°F (-1.8°C)	1st Coolest	Coolest since: 1912	1912
Apr–Sep 1912 6-Month	51.3°F (10.7°C)	54.5°F (12.5°C)	-3.2°F (-1.8°C)	128th Warmest	Warmest since: 1911	2012
Mar–Sep 1912 7-Month	46.8°F (8.2°C)	50.9°F (10.5°C)	-4.1°F (-2.3°C)	1st Coolest	Coolest since: 1912	1912
Mar–Sep 1912 7-Month	46.8°F (8.2°C)	50.9°F (10.5°C)	-4.1°F (-2.3°C)	128th Warmest	Warmest since: 1911	2012
Feb–Sep 1912 8-Month	43.6°F (6.4°C)	47.3°F (8.5°C)	-3.7°F (-2.1°C)	1st Coolest	Coolest since: 1912	1912
Feb–Sep 1912 8-Month	43.6°F (6.4°C)	47.3°F (8.5°C)	-3.7°F (-2.1°C)	128th Warmest	Warmest since: 1911	2012
Jan–Sep 1912 9-Month	40.7°F (4.8°C)	44.1°F (6.7°C)	-3.4°F (-1.9°C)	2nd Coolest	Coolest since: 1912	1917
Jan–Sep 1912 9-Month	40.7°F (4.8°C)	44.1°F (6.7°C)	-3.4°F (-1.9°C)	127th Warmest	Warmest since: 1911	2012
Dec 1911–Sep 1912 10-Month	38.2°F (3.4°C)	41.8°F (5.4°C)	-3.6°F (-2.0°C)	2nd Coolest	Coolest since: 1912	1917
Dec 1911–Sep 1912 10-Month	38.2°F (3.4°C)	41.8°F (5.4°C)	-3.6°F (-2.0°C)	126th Warmest	Warmest since: 1911	1934, 2012
Nov 1911–Sep 1912 11-Month	36.9°F (2.7°C)	40.6°F (4.8°C)	-3.7°F (-2.1°C)	2nd Coolest	Coolest since: 1912	1917
Nov 1911–Sep 1912 11-Month	36.9°F (2.7°C)	40.6°F (4.8°C)	-3.7°F (-2.1°C)	126th Warmest	Warmest since: 1911	1934
Oct 1911–Sep 1912 12-Month	37.0°F (2.8°C)	40.8°F (4.9°C)	-3.8°F (-2.1°C)	2nd Coolest	Coolest since: 1912	1917
Oct 1911–Sep 1912 12-Month	37.0°F (2.8°C)	40.8°F (4.9°C)	-3.8°F (-2.1°C)	126th Warmest	Warmest since: 1911	1934
Apr 1911–Sep 1912 18-Month	42.7°F (5.9°C)	45.3°F (7.4°C)	-2.6°F (-1.5°C)	2nd Coolest	Coolest since: 1912	1917
Apr 1911–Sep 1912 18-Month	42.7°F (5.9°C)	45.3°F (7.4°C)	-2.6°F (-1.5°C)	126th Warmest	Warmest since: 1911	1934
Oct 1910–Sep 1912 24-Month	39.2°F (4.0°C)	40.7°F (4.8°C)	-1.5°F (-0.8°C)	6th Coolest	Coolest since: 1899	1913, 1917
	39.2°F (4.0°C)	40.7°F (4.8°C)	-1.5°F (-0.8°C)	121st Warmest	Warmest since: 1911	2016
	Ties: 1924, 1930
Oct 1909–Sep 1912 36-Month	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	13th Coolest	Coolest since: 1900	1917
	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	113th Warmest	Warmest since: 1911	2017
	Ties: 1900, 1919, 1950, 1975
Oct 1908–Sep 1912 48-Month	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	12th Coolest	Coolest since: 1906	1899
	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	113th Warmest	Warmest since: 1911	2018
	Ties: 1906, 1919, 1929
Oct 1907–Sep 1912 60-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	11th Coolest	Coolest since: 1907	1917
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	113th Warmest	Warmest since: 1911	2016
	Ties: 1903, 1907, 1914, 1930, 1933, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings