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 1988

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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 1988 1-Month	53.4°F (11.9°C)	53.6°F (12.0°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1986	1965
	53.4°F (11.9°C)	53.6°F (12.0°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1987	1998
	Ties: 1946
Aug–Sep 1988 2-Month	59.1°F (15.1°C)	58.5°F (14.7°C)	0.6°F (0.4°C)	74th Coolest	Coolest since: 1987	1912
	59.1°F (15.1°C)	58.5°F (14.7°C)	0.6°F (0.4°C)	55th Warmest	Warmest since: 1983	2022
	Ties: 1949
Jul–Sep 1988 3-Month	62.2°F (16.8°C)	60.7°F (15.9°C)	1.5°F (0.9°C)	98th Coolest	Coolest since: 1987	1912
	62.2°F (16.8°C)	60.7°F (15.9°C)	1.5°F (0.9°C)	31st Warmest	Warmest since: 1983	2022
	Ties: 1947, 1955, 2006, 2017
Jun–Sep 1988 4-Month	63.3°F (17.4°C)	60.0°F (15.6°C)	3.3°F (1.8°C)	123rd Coolest	Coolest since: 1987	1912, 1915
Jun–Sep 1988 4-Month	63.3°F (17.4°C)	60.0°F (15.6°C)	3.3°F (1.8°C)	6th Warmest	Warmest to Date	2021
May–Sep 1988 5-Month	60.8°F (16.0°C)	57.7°F (14.3°C)	3.1°F (1.7°C)	123rd Coolest	Coolest since: 1987	1915
	60.8°F (16.0°C)	57.7°F (14.3°C)	3.1°F (1.7°C)	6th Warmest	Warmest since: 1940	2012
	Ties: 1940
Apr–Sep 1988 6-Month	57.7°F (14.3°C)	54.5°F (12.5°C)	3.2°F (1.8°C)	126th Coolest	Coolest since: 1987	1912
Apr–Sep 1988 6-Month	57.7°F (14.3°C)	54.5°F (12.5°C)	3.2°F (1.8°C)	3rd Warmest	Warmest to Date	2012
Mar–Sep 1988 7-Month	53.6°F (12.0°C)	50.9°F (10.5°C)	2.7°F (1.5°C)	119th Coolest	Coolest since: 1987	1912
	53.6°F (12.0°C)	50.9°F (10.5°C)	2.7°F (1.5°C)	10th Warmest	Warmest since: 1940	2012
	Ties: 2000
Feb–Sep 1988 8-Month	49.9°F (9.9°C)	47.3°F (8.5°C)	2.6°F (1.4°C)	119th Coolest	Coolest since: 1987	1912
	49.9°F (9.9°C)	47.3°F (8.5°C)	2.6°F (1.4°C)	10th Warmest	Warmest since: 1940	2012
	Ties: 2001
Jan–Sep 1988 9-Month	46.2°F (7.9°C)	44.1°F (6.7°C)	2.1°F (1.2°C)	113th Coolest	Coolest since: 1987	1917
	46.2°F (7.9°C)	44.1°F (6.7°C)	2.1°F (1.2°C)	16th Warmest	Warmest since: 1981	2012
	Ties: 1940, 1954, 2005
Dec 1987–Sep 1988 10-Month	43.6°F (6.4°C)	41.8°F (5.4°C)	1.8°F (1.0°C)	107th Coolest	Coolest since: 1986	1917
	43.6°F (6.4°C)	41.8°F (5.4°C)	1.8°F (1.0°C)	21st Warmest	Warmest since: 1987	1934, 2012
	Ties: 2017
Nov 1987–Sep 1988 11-Month	42.5°F (5.8°C)	40.6°F (4.8°C)	1.9°F (1.0°C)	108th Coolest	Coolest since: 1987	1917
	42.5°F (5.8°C)	40.6°F (4.8°C)	1.9°F (1.0°C)	20th Warmest	Warmest since: 1981	1934
	Ties: 1963, 2020
Oct 1987–Sep 1988 12-Month	42.6°F (5.9°C)	40.8°F (4.9°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 1987	1917
Oct 1987–Sep 1988 12-Month	42.6°F (5.9°C)	40.8°F (4.9°C)	1.8°F (1.0°C)	19th Warmest	Warmest since: 1981	1934
Apr 1987–Sep 1988 18-Month	47.2°F (8.4°C)	45.3°F (7.4°C)	1.9°F (1.0°C)	113th Coolest	Coolest since: 1987	1917
	47.2°F (8.4°C)	45.3°F (7.4°C)	1.9°F (1.0°C)	15th Warmest	Warmest since: 1981	1934
	Ties: 2002
Oct 1986–Sep 1988 24-Month	42.4°F (5.8°C)	40.8°F (4.9°C)	1.6°F (0.9°C)	109th Coolest	Coolest since: 1987	1913, 1917
	42.4°F (5.8°C)	40.8°F (4.9°C)	1.6°F (0.9°C)	18th Warmest	Warmest since: 1982	2016
	Ties: 1934, 1940, 2004, 2021
Oct 1985–Sep 1988 36-Month	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	99th Coolest	Coolest since: 1987	1917
	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	27th Warmest	Warmest since: 1983	2017
	Ties: 1982, 2009
Oct 1984–Sep 1988 48-Month	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1987	1899
	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	41st Warmest	Warmest since: 1984	2018
	Ties: 1955, 1961, 1993, 1994
Oct 1983–Sep 1988 60-Month	41.1°F (5.1°C)	40.7°F (4.8°C)	0.4°F (0.3°C)	70th Coolest	Coolest since: 1987	1917
	41.1°F (5.1°C)	40.7°F (4.8°C)	0.4°F (0.3°C)	54th Warmest	Warmest since: 1985	2016
	Ties: 1967, 1982, 1985, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings