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 1897

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1897 1-Month	57.0°F (13.9°C)	53.6°F (12.0°C)	3.4°F (1.9°C)	111th Coolest	Coolest since: 1896	1965
	57.0°F (13.9°C)	53.6°F (12.0°C)	3.4°F (1.9°C)	18th Warmest	Warmest to Date	1998
	Ties: 1994
Aug–Sep 1897 2-Month	59.5°F (15.3°C)	58.5°F (14.7°C)	1.0°F (0.6°C)	85th Coolest	Coolest since: 1896	1912
	59.5°F (15.3°C)	58.5°F (14.7°C)	1.0°F (0.6°C)	44th Warmest	Warmest to Date	2022
	Ties: 1905, 1936, 2016
Jul–Sep 1897 3-Month	60.6°F (15.9°C)	60.7°F (15.9°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1896	1912
	60.6°F (15.9°C)	60.7°F (15.9°C)	-0.1°F (0.0°C)	81st Warmest	Warmest to Date	2022
	Ties: 1905, 1914, 1917, 1977, 1999
Jun–Sep 1897 4-Month	60.0°F (15.6°C)	60.0°F (15.6°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1896	1912, 1915
	60.0°F (15.6°C)	60.0°F (15.6°C)	0.0°F (0.0°C)	73rd Warmest	Warmest to Date	2021
	Ties: 1918, 1949, 1987
May–Sep 1897 5-Month	58.6°F (14.8°C)	57.7°F (14.3°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1896	1915
May–Sep 1897 5-Month	58.6°F (14.8°C)	57.7°F (14.3°C)	0.9°F (0.5°C)	43rd Warmest	Warmest to Date	2012
Apr–Sep 1897 6-Month	55.1°F (12.8°C)	54.5°F (12.5°C)	0.6°F (0.3°C)	75th Coolest	Coolest since: 1896	1912
	55.1°F (12.8°C)	54.5°F (12.5°C)	0.6°F (0.3°C)	54th Warmest	Warmest to Date	2012
	Ties: 1933, 1958, 1976, 1979, 1996, 2014
Mar–Sep 1897 7-Month	50.3°F (10.2°C)	50.9°F (10.5°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1896	1912
	50.3°F (10.2°C)	50.9°F (10.5°C)	-0.6°F (-0.3°C)	94th Warmest	Warmest to Date	2012
	Ties: 1955, 1984, 1995
Feb–Sep 1897 8-Month	46.4°F (8.0°C)	47.3°F (8.5°C)	-0.9°F (-0.5°C)	29th Coolest	Coolest since: 1896	1912
	46.4°F (8.0°C)	47.3°F (8.5°C)	-0.9°F (-0.5°C)	100th Warmest	Warmest to Date	2012
	Ties: 1909, 1968
Jan–Sep 1897 9-Month	43.1°F (6.2°C)	44.1°F (6.7°C)	-1.0°F (-0.5°C)	30th Coolest	Coolest since: 1895	1917
	43.1°F (6.2°C)	44.1°F (6.7°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 1896	2012
	Ties: 1923
Dec 1896–Sep 1897 10-Month	41.5°F (5.3°C)	41.8°F (5.4°C)	-0.3°F (-0.1°C)	45th Coolest	Coolest since: 1896	1917
	41.5°F (5.3°C)	41.8°F (5.4°C)	-0.3°F (-0.1°C)	83rd Warmest	Warmest to Date	1934, 2012
	Ties: 1952, 1957, 1971, 1982
Nov 1896–Sep 1897 11-Month	39.5°F (4.2°C)	40.6°F (4.8°C)	-1.1°F (-0.6°C)	22nd Coolest	Coolest since: 1896	1917
	39.5°F (4.2°C)	40.6°F (4.8°C)	-1.1°F (-0.6°C)	106th Warmest	Warmest to Date	1934
	Ties: 1906, 1913, 1916, 1968
Oct 1896–Sep 1897 12-Month	39.6°F (4.2°C)	40.8°F (4.9°C)	-1.2°F (-0.7°C)	19th Coolest	Coolest since: 1896	1917
	39.6°F (4.2°C)	40.8°F (4.9°C)	-1.2°F (-0.7°C)	109th Warmest	Warmest to Date	1934
	Ties: 1915, 1984
Apr 1896–Sep 1897 18-Month	44.2°F (6.8°C)	45.3°F (7.4°C)	-1.1°F (-0.6°C)	14th Coolest	Coolest since: 1896	1917
	44.2°F (6.8°C)	45.3°F (7.4°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest to Date	1934
	Ties: 1916, 1952
Oct 1895–Sep 1897 24-Month	39.5°F (4.2°C)	40.8°F (4.9°C)	-1.3°F (-0.7°C)	10th Coolest	Coolest to Date	1913, 1917
	39.5°F (4.2°C)	40.8°F (4.9°C)	-1.3°F (-0.7°C)	117th Warmest	Warmest to Date	2016
	Ties: 1904, 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings