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 1898

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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 1898 1-Month	53.3°F (11.8°C)	53.6°F (12.0°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1896	1965
	53.3°F (11.8°C)	53.6°F (12.0°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1897	1998
	Ties: 1920, 1923, 1930
Aug–Sep 1898 2-Month	59.4°F (15.2°C)	58.5°F (14.7°C)	0.9°F (0.5°C)	81st Coolest	Coolest since: 1896	1912
	59.4°F (15.2°C)	58.5°F (14.7°C)	0.9°F (0.5°C)	48th Warmest	Warmest since: 1897	2022
	Ties: 1939, 1960, 1982
Jul–Sep 1898 3-Month	61.1°F (16.2°C)	60.7°F (15.9°C)	0.4°F (0.3°C)	69th Coolest	Coolest since: 1897	1912
	61.1°F (16.2°C)	60.7°F (15.9°C)	0.4°F (0.3°C)	60th Warmest	Warmest to Date	2022
	Ties: 1949, 1996
Jun–Sep 1898 4-Month	60.4°F (15.8°C)	60.0°F (15.6°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1897	1912, 1915
	60.4°F (15.8°C)	60.0°F (15.6°C)	0.4°F (0.2°C)	59th Warmest	Warmest to Date	2021
	Ties: 1932, 1943, 1961
May–Sep 1898 5-Month	57.7°F (14.3°C)	57.7°F (14.3°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1896	1915
	57.7°F (14.3°C)	57.7°F (14.3°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1897	2012
	Ties: 1913, 1925, 1935, 1985, 1992
Apr–Sep 1898 6-Month	55.0°F (12.8°C)	54.5°F (12.5°C)	0.5°F (0.3°C)	68th Coolest	Coolest since: 1896	1912
	55.0°F (12.8°C)	54.5°F (12.5°C)	0.5°F (0.3°C)	61st Warmest	Warmest since: 1897	2012
	Ties: 2019
Mar–Sep 1898 7-Month	50.6°F (10.3°C)	50.9°F (10.5°C)	-0.3°F (-0.2°C)	43rd Coolest	Coolest since: 1897	1912
	50.6°F (10.3°C)	50.9°F (10.5°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest to Date	2012
	Ties: 1913, 1932, 1935
Feb–Sep 1898 8-Month	47.5°F (8.6°C)	47.3°F (8.5°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1897	1912
	47.5°F (8.6°C)	47.3°F (8.5°C)	0.2°F (0.1°C)	69th Warmest	Warmest to Date	2012
	Ties: 1937, 1939, 1952, 1957, 1995
Jan–Sep 1898 9-Month	43.7°F (6.5°C)	44.1°F (6.7°C)	-0.4°F (-0.2°C)	47th Coolest	Coolest since: 1897	1917
	43.7°F (6.5°C)	44.1°F (6.7°C)	-0.4°F (-0.2°C)	82nd Warmest	Warmest to Date	2012
	Ties: 1978, 1984
Dec 1897–Sep 1898 10-Month	40.9°F (4.9°C)	41.8°F (5.4°C)	-0.9°F (-0.5°C)	35th Coolest	Coolest since: 1896	1917
	40.9°F (4.9°C)	41.8°F (5.4°C)	-0.9°F (-0.5°C)	93rd Warmest	Warmest since: 1897	1934, 2012
	Ties: 1985, 2008
Nov 1897–Sep 1898 11-Month	39.8°F (4.3°C)	40.6°F (4.8°C)	-0.8°F (-0.5°C)	32nd Coolest	Coolest since: 1897	1917
	39.8°F (4.3°C)	40.6°F (4.8°C)	-0.8°F (-0.5°C)	96th Warmest	Warmest to Date	1934
	Ties: 1909, 1927, 1928
Oct 1897–Sep 1898 12-Month	40.1°F (4.5°C)	40.8°F (4.9°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 1897	1917
	40.1°F (4.5°C)	40.8°F (4.9°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest to Date	1934
	Ties: 1928, 1944
Apr 1897–Sep 1898 18-Month	45.1°F (7.3°C)	45.3°F (7.4°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1897	1917
	45.1°F (7.3°C)	45.3°F (7.4°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest to Date	1934
	Ties: 1905, 1910
Oct 1896–Sep 1898 24-Month	39.9°F (4.4°C)	40.8°F (4.9°C)	-0.9°F (-0.5°C)	23rd Coolest	Coolest since: 1897	1913, 1917
	39.9°F (4.4°C)	40.8°F (4.9°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest to Date	2016
	Ties: 1949, 1951, 1980
Oct 1895–Sep 1898 36-Month	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	10th Coolest	Coolest to Date	1917
	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	116th Warmest	Warmest to Date	2017
	Ties: 1922, 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings