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, December 1998

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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
December 1998 1-Month	21.3°F (-5.9°C)	20.6°F (-6.3°C)	0.7°F (0.4°C)	65th Coolest	Coolest since: 1997	1909, 1983
	21.3°F (-5.9°C)	20.6°F (-6.3°C)	0.7°F (0.4°C)	64th Warmest	Warmest since: 1996	1980
	Ties: 1918, 1966, 1988, 1996
Nov–Dec 1998 2-Month	27.2°F (-2.7°C)	24.8°F (-4.0°C)	2.4°F (1.3°C)	103rd Coolest	Coolest since: 1997	1978
	27.2°F (-2.7°C)	24.8°F (-4.0°C)	2.4°F (1.3°C)	26th Warmest	Warmest since: 1995	1999
	Ties: 1946, 1958, 1969
Oct–Dec 1998 3-Month	32.5°F (0.3°C)	30.7°F (-0.7°C)	1.8°F (1.0°C)	97th Coolest	Coolest since: 1997	1919
	32.5°F (0.3°C)	30.7°F (-0.7°C)	1.8°F (1.0°C)	32nd Warmest	Warmest since: 1995	1999
	Ties: 1901
Sep–Dec 1998 4-Month	39.4°F (4.1°C)	36.4°F (2.4°C)	3.0°F (1.7°C)	119th Coolest	Coolest since: 1997	1919, 1985
Sep–Dec 1998 4-Month	39.4°F (4.1°C)	36.4°F (2.4°C)	3.0°F (1.7°C)	10th Warmest	Warmest since: 1980	2021
Aug–Dec 1998 5-Month	44.5°F (6.9°C)	41.8°F (5.4°C)	2.7°F (1.5°C)	120th Coolest	Coolest since: 1997	1916, 1985
	44.5°F (6.9°C)	41.8°F (5.4°C)	2.7°F (1.5°C)	9th Warmest	Warmest since: 1963	2021
	Ties: 1953
Jul–Dec 1998 6-Month	48.5°F (9.2°C)	45.7°F (7.6°C)	2.8°F (1.6°C)	122nd Coolest	Coolest since: 1997	1911
	48.5°F (9.2°C)	45.7°F (7.6°C)	2.8°F (1.6°C)	7th Warmest	Warmest since: 1963	2021
	Ties: 1999
Jun–Dec 1998 7-Month	49.0°F (9.4°C)	47.4°F (8.6°C)	1.6°F (0.8°C)	106th Coolest	Coolest since: 1997	1916
	49.0°F (9.4°C)	47.4°F (8.6°C)	1.6°F (0.8°C)	23rd Warmest	Warmest since: 1988	2021
	Ties: 1910, 2022
May–Dec 1998 8-Month	49.2°F (9.6°C)	47.6°F (8.7°C)	1.6°F (0.9°C)	108th Coolest	Coolest since: 1997	1916
	49.2°F (9.6°C)	47.6°F (8.7°C)	1.6°F (0.9°C)	21st Warmest	Warmest since: 1994	2021
	Ties: 1953, 1958, 2003
Apr–Dec 1998 9-Month	48.1°F (8.9°C)	46.6°F (8.1°C)	1.5°F (0.8°C)	104th Coolest	Coolest since: 1997	1916
	48.1°F (8.9°C)	46.6°F (8.1°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 1994	2021
	Ties: 1900, 1977
Mar–Dec 1998 10-Month	46.1°F (7.8°C)	44.8°F (7.1°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 1997	1912
	46.1°F (7.8°C)	44.8°F (7.1°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 1994	2012
	Ties: 1954, 1977
Feb–Dec 1998 11-Month	44.3°F (6.8°C)	42.8°F (6.0°C)	1.5°F (0.8°C)	105th Coolest	Coolest since: 1997	1912
	44.3°F (6.8°C)	42.8°F (6.0°C)	1.5°F (0.8°C)	24th Warmest	Warmest since: 1994	2012
	Ties: 1980, 1992
Jan–Dec 1998 12-Month	42.5°F (5.8°C)	40.8°F (4.9°C)	1.7°F (0.9°C)	110th Coolest	Coolest since: 1997	1895
	42.5°F (5.8°C)	40.8°F (4.9°C)	1.7°F (0.9°C)	19th Warmest	Warmest since: 1994	2012
	Ties: 1940, 1963, 1987, 1992, 2000
Jul 1997–Dec 1998 18-Month	43.7°F (6.5°C)	42.4°F (5.8°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1997	1912
	43.7°F (6.5°C)	42.4°F (5.8°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 1992	1934
	Ties: 1939, 1992, 2014
Jan 1997–Dec 1998 24-Month	41.9°F (5.5°C)	40.8°F (4.9°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1997	1917
	41.9°F (5.5°C)	40.8°F (4.9°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 1995	2016
	Ties: 2014
Jan 1996–Dec 1998 36-Month	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1997	1913, 1917, 1918
	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	36th Warmest	Warmest since: 1996	2017
	Ties: 1991, 2009
Jan 1995–Dec 1998 48-Month	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1996	1898
	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1997	2018
	Ties: 1940, 1942, 1955, 1956, 1983
Jan 1994–Dec 1998 60-Month	41.9°F (5.5°C)	40.7°F (4.8°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1997	1899
	41.9°F (5.5°C)	40.7°F (4.8°C)	1.2°F (0.7°C)	25th Warmest	Warmest since: 1992	2016
	Ties: 1999, 2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings