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 1998

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1998 1-Month	59.9°F (15.5°C)	53.6°F (12.0°C)	6.3°F (3.5°C)	128th Coolest	Coolest since: 1997	1965
September 1998 1-Month	59.9°F (15.5°C)	53.6°F (12.0°C)	6.3°F (3.5°C)	1st Warmest	Warmest to Date	1998
Aug–Sep 1998 2-Month	62.6°F (17.0°C)	58.5°F (14.7°C)	4.1°F (2.3°C)	126th Coolest	Coolest since: 1997	1912
Aug–Sep 1998 2-Month	62.6°F (17.0°C)	58.5°F (14.7°C)	4.1°F (2.3°C)	3rd Warmest	Warmest to Date	2022
Jul–Sep 1998 3-Month	64.4°F (18.0°C)	60.8°F (16.0°C)	3.6°F (2.0°C)	125th Coolest	Coolest since: 1997	1912
Jul–Sep 1998 3-Month	64.4°F (18.0°C)	60.8°F (16.0°C)	3.6°F (2.0°C)	4th Warmest	Warmest to Date	2022
Jun–Sep 1998 4-Month	61.4°F (16.3°C)	60.0°F (15.6°C)	1.4°F (0.7°C)	101st Coolest	Coolest since: 1997	1912, 1915
	61.4°F (16.3°C)	60.0°F (15.6°C)	1.4°F (0.7°C)	28th Warmest	Warmest since: 1994	2021
	Ties: 1937, 1954, 1960, 1981
May–Sep 1998 5-Month	59.2°F (15.1°C)	57.7°F (14.3°C)	1.5°F (0.8°C)	105th Coolest	Coolest since: 1997	1915
	59.2°F (15.1°C)	57.7°F (14.3°C)	1.5°F (0.8°C)	24th Warmest	Warmest since: 1994	2012
	Ties: 1900, 1966, 2017
Apr–Sep 1998 6-Month	55.9°F (13.3°C)	54.5°F (12.5°C)	1.4°F (0.8°C)	94th Coolest	Coolest since: 1997	1912
	55.9°F (13.3°C)	54.5°F (12.5°C)	1.4°F (0.8°C)	35th Warmest	Warmest since: 1994	2012
	Ties: 1948
Mar–Sep 1998 7-Month	52.0°F (11.1°C)	50.9°F (10.5°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 1997	1912
	52.0°F (11.1°C)	50.9°F (10.5°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 1994	2012
	Ties: 1925, 1931, 2004, 2005
Feb–Sep 1998 8-Month	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	100th Coolest	Coolest since: 1997	1912
	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 1994	2012
	Ties: 1919, 2020, 2022
Jan–Sep 1998 9-Month	45.9°F (7.7°C)	44.1°F (6.7°C)	1.8°F (1.0°C)	104th Coolest	Coolest since: 1997	1917
	45.9°F (7.7°C)	44.1°F (6.7°C)	1.8°F (1.0°C)	25th Warmest	Warmest since: 1994	2012
	Ties: 1919, 1931
Dec 1997–Sep 1998 10-Month	43.4°F (6.3°C)	41.8°F (5.4°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 1997	1917
	43.4°F (6.3°C)	41.8°F (5.4°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1994	1934, 2012
	Ties: 1919, 1990, 2013
Nov 1997–Sep 1998 11-Month	42.1°F (5.6°C)	40.6°F (4.8°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 1997	1917
	42.1°F (5.6°C)	40.6°F (4.8°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 1994	1934
	Ties: 1900, 1999
Oct 1997–Sep 1998 12-Month	42.1°F (5.6°C)	40.7°F (4.8°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1997	1917
	42.1°F (5.6°C)	40.7°F (4.8°C)	1.4°F (0.8°C)	27th Warmest	Warmest since: 1994	1934
	Ties: 1919, 2004, 2009
Apr 1997–Sep 1998 18-Month	46.3°F (7.9°C)	45.3°F (7.4°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 1997	1917
	46.3°F (7.9°C)	45.3°F (7.4°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 1995	1934
	Ties: 1991, 2014
Oct 1996–Sep 1998 24-Month	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1997	1913, 1917
	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1995	2016
	Ties: 1939, 1964, 1977
Oct 1995–Sep 1998 36-Month	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1997	1917
Oct 1995–Sep 1998 36-Month	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1996	2017
Oct 1994–Sep 1998 48-Month	41.5°F (5.3°C)	40.7°F (4.8°C)	0.8°F (0.5°C)	87th Coolest	Coolest since: 1996	1899
	41.5°F (5.3°C)	40.7°F (4.8°C)	0.8°F (0.5°C)	38th Warmest	Warmest since: 1997	2018
	Ties: 1934, 1984
Oct 1993–Sep 1998 60-Month	41.7°F (5.4°C)	40.7°F (4.8°C)	1.0°F (0.6°C)	97th Coolest	Coolest since: 1997	1917
	41.7°F (5.4°C)	40.7°F (4.8°C)	1.0°F (0.6°C)	27th Warmest	Warmest since: 1992	2016
	Ties: 1935, 1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings