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 1903

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1903 1-Month	49.6°F (9.8°C)	53.6°F (12.0°C)	-4.0°F (-2.2°C)	6th Coolest	Coolest since: 1903	1965
	49.6°F (9.8°C)	53.6°F (12.0°C)	-4.0°F (-2.2°C)	123rd Warmest	Warmest since: 1902	1998
	Ties: 1929
Aug–Sep 1903 2-Month	56.4°F (13.6°C)	58.5°F (14.7°C)	-2.1°F (-1.1°C)	10th Coolest	Coolest since: 1896	1912
	56.4°F (13.6°C)	58.5°F (14.7°C)	-2.1°F (-1.1°C)	119th Warmest	Warmest since: 1902	2022
	Ties: 1896, 1926, 1951
Jul–Sep 1903 3-Month	58.4°F (14.7°C)	60.7°F (15.9°C)	-2.3°F (-1.2°C)	6th Coolest	Coolest since: 1903	1912
Jul–Sep 1903 3-Month	58.4°F (14.7°C)	60.7°F (15.9°C)	-2.3°F (-1.2°C)	123rd Warmest	Warmest since: 1902	2022
Jun–Sep 1903 4-Month	58.1°F (14.5°C)	60.0°F (15.6°C)	-1.9°F (-1.1°C)	11th Coolest	Coolest since: 1895	1912, 1915
	58.1°F (14.5°C)	60.0°F (15.6°C)	-1.9°F (-1.1°C)	118th Warmest	Warmest since: 1902	2021
	Ties: 1927
May–Sep 1903 5-Month	55.5°F (13.1°C)	57.7°F (14.3°C)	-2.2°F (-1.2°C)	8th Coolest	Coolest since: 1895	1915
	55.5°F (13.1°C)	57.7°F (14.3°C)	-2.2°F (-1.2°C)	121st Warmest	Warmest since: 1902	2012
	Ties: 1951
Apr–Sep 1903 6-Month	52.5°F (11.4°C)	54.5°F (12.5°C)	-2.0°F (-1.1°C)	12th Coolest	Coolest since: 1903	1912
Apr–Sep 1903 6-Month	52.5°F (11.4°C)	54.5°F (12.5°C)	-2.0°F (-1.1°C)	117th Warmest	Warmest since: 1902	2012
Mar–Sep 1903 7-Month	48.8°F (9.3°C)	50.9°F (10.5°C)	-2.1°F (-1.2°C)	9th Coolest	Coolest since: 1903	1912
	48.8°F (9.3°C)	50.9°F (10.5°C)	-2.1°F (-1.2°C)	120th Warmest	Warmest since: 1902	2012
	Ties: 1906, 1945
Feb–Sep 1903 8-Month	44.0°F (6.7°C)	47.3°F (8.5°C)	-3.3°F (-1.8°C)	3rd Coolest	Coolest since: 1899	1912
	44.0°F (6.7°C)	47.3°F (8.5°C)	-3.3°F (-1.8°C)	126th Warmest	Warmest since: 1902	2012
	Ties: 1899
Jan–Sep 1903 9-Month	41.4°F (5.2°C)	44.1°F (6.7°C)	-2.7°F (-1.5°C)	5th Coolest	Coolest since: 1899	1917
	41.4°F (5.2°C)	44.1°F (6.7°C)	-2.7°F (-1.5°C)	124th Warmest	Warmest since: 1902	2012
	Ties: 1899
Dec 1902–Sep 1903 10-Month	39.1°F (3.9°C)	41.7°F (5.4°C)	-2.6°F (-1.5°C)	5th Coolest	Coolest since: 1899	1917
Dec 1902–Sep 1903 10-Month	39.1°F (3.9°C)	41.7°F (5.4°C)	-2.6°F (-1.5°C)	123rd Warmest	Warmest since: 1902	1934, 2012
Nov 1902–Sep 1903 11-Month	38.2°F (3.4°C)	40.6°F (4.8°C)	-2.4°F (-1.4°C)	5th Coolest	Coolest since: 1899	1917
	38.2°F (3.4°C)	40.6°F (4.8°C)	-2.4°F (-1.4°C)	123rd Warmest	Warmest since: 1902	1934
	Ties: 1979, 1993
Oct 1902–Sep 1903 12-Month	38.6°F (3.7°C)	40.8°F (4.9°C)	-2.2°F (-1.2°C)	6th Coolest	Coolest since: 1899	1917
	38.6°F (3.7°C)	40.8°F (4.9°C)	-2.2°F (-1.2°C)	122nd Warmest	Warmest since: 1902	1934
	Ties: 1973
Apr 1902–Sep 1903 18-Month	43.5°F (6.4°C)	45.3°F (7.4°C)	-1.8°F (-1.0°C)	6th Coolest	Coolest since: 1899	1917
Apr 1902–Sep 1903 18-Month	43.5°F (6.4°C)	45.3°F (7.4°C)	-1.8°F (-1.0°C)	122nd Warmest	Warmest since: 1902	1934
Oct 1901–Sep 1903 24-Month	39.6°F (4.2°C)	40.7°F (4.8°C)	-1.1°F (-0.6°C)	13th Coolest	Coolest since: 1900	1913, 1917
	39.6°F (4.2°C)	40.7°F (4.8°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1902	2016
	Ties: 1900, 1921
Oct 1900–Sep 1903 36-Month	40.1°F (4.5°C)	40.7°F (4.8°C)	-0.6°F (-0.3°C)	25th Coolest	Coolest since: 1901	1917
	40.1°F (4.5°C)	40.7°F (4.8°C)	-0.6°F (-0.3°C)	101st Warmest	Warmest since: 1902	2017
	Ties: 1901, 1908, 1974
Oct 1899–Sep 1903 48-Month	40.5°F (4.7°C)	40.7°F (4.8°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1902	1899
	40.5°F (4.7°C)	40.7°F (4.8°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest to Date	2018
	Ties: 1921, 1972, 1986
Oct 1898–Sep 1903 60-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	11th Coolest	Coolest since: 1900	1917
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	113th Warmest	Warmest since: 1902	2016
	Ties: 1907, 1912, 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