Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pacific Northwest Basin

Average Temperature Rankings, December 1988

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1988 1-Month	27.5°F (-2.5°C)	28.1°F (-2.2°C)	-0.6°F (-0.3°C)	44th Coolest	Coolest since: 1985	1990
	27.5°F (-2.5°C)	28.1°F (-2.2°C)	-0.6°F (-0.3°C)	85th Warmest	Warmest since: 1987	1917
	Ties: 1960, 2007
Nov–Dec 1988 2-Month	31.2°F (-0.4°C)	31.3°F (-0.4°C)	-0.1°F (0.0°C)	56th Coolest	Coolest since: 1985	1985
	31.2°F (-0.4°C)	31.3°F (-0.4°C)	-0.1°F (0.0°C)	73rd Warmest	Warmest since: 1987	1917
	Ties: 2011
Oct–Dec 1988 3-Month	38.3°F (3.5°C)	36.1°F (2.3°C)	2.2°F (1.2°C)	112th Coolest	Coolest since: 1987	1985
Oct–Dec 1988 3-Month	38.3°F (3.5°C)	36.1°F (2.3°C)	2.2°F (1.2°C)	17th Warmest	Warmest since: 1980	1917
Sep–Dec 1988 4-Month	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 1986	1985
	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	20th Warmest	Warmest since: 1987	1917
	Ties: 1958, 1974, 2001
Aug–Dec 1988 5-Month	47.0°F (8.3°C)	45.5°F (7.5°C)	1.5°F (0.8°C)	101st Coolest	Coolest since: 1986	1985
	47.0°F (8.3°C)	45.5°F (7.5°C)	1.5°F (0.8°C)	28th Warmest	Warmest since: 1987	1917, 2014
	Ties: 1962, 2011
Jul–Dec 1988 6-Month	50.0°F (10.0°C)	48.6°F (9.2°C)	1.4°F (0.8°C)	106th Coolest	Coolest since: 1987	1985
	50.0°F (10.0°C)	48.6°F (9.2°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 1979	2014
	Ties: 1904, 1906, 1950, 1979
Jun–Dec 1988 7-Month	51.3°F (10.7°C)	49.7°F (9.8°C)	1.6°F (0.9°C)	112th Coolest	Coolest since: 1987	1916
	51.3°F (10.7°C)	49.7°F (9.8°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 1967	2021
	Ties: 1940, 2006
May–Dec 1988 8-Month	51.2°F (10.7°C)	49.8°F (9.9°C)	1.4°F (0.8°C)	109th Coolest	Coolest since: 1986	1916
	51.2°F (10.7°C)	49.8°F (9.9°C)	1.4°F (0.8°C)	20th Warmest	Warmest since: 1987	2021
	Ties: 1979, 2004
Apr–Dec 1988 9-Month	50.5°F (10.3°C)	49.0°F (9.4°C)	1.5°F (0.9°C)	112th Coolest	Coolest since: 1986	1916
Apr–Dec 1988 9-Month	50.5°F (10.3°C)	49.0°F (9.4°C)	1.5°F (0.9°C)	17th Warmest	Warmest since: 1987	2021
Mar–Dec 1988 10-Month	49.2°F (9.6°C)	47.7°F (8.7°C)	1.5°F (0.9°C)	112th Coolest	Coolest since: 1986	1916
	49.2°F (9.6°C)	47.7°F (8.7°C)	1.5°F (0.9°C)	17th Warmest	Warmest since: 1987	2015
	Ties: 2001, 2007
Feb–Dec 1988 11-Month	47.8°F (8.8°C)	46.2°F (7.9°C)	1.6°F (0.9°C)	116th Coolest	Coolest since: 1986	1955
	47.8°F (8.8°C)	46.2°F (7.9°C)	1.6°F (0.9°C)	13th Warmest	Warmest since: 1987	2015
	Ties: 1926, 2007, 2020
Jan–Dec 1988 12-Month	45.9°F (7.7°C)	44.4°F (6.9°C)	1.5°F (0.8°C)	108th Coolest	Coolest since: 1986	1916
	45.9°F (7.7°C)	44.4°F (6.9°C)	1.5°F (0.8°C)	21st Warmest	Warmest since: 1987	2015
	Ties: 1981, 1986
Jul 1987–Dec 1988 18-Month	47.2°F (8.4°C)	45.9°F (7.7°C)	1.3°F (0.7°C)	110th Coolest	Coolest since: 1987	1985
	47.2°F (8.4°C)	45.9°F (7.7°C)	1.3°F (0.7°C)	18th Warmest	Warmest since: 1958	2015
	Ties: 1999
Jan 1987–Dec 1988 24-Month	46.2°F (7.9°C)	44.5°F (6.9°C)	1.7°F (1.0°C)	120th Coolest	Coolest since: 1987	1917
	46.2°F (7.9°C)	44.5°F (6.9°C)	1.7°F (1.0°C)	8th Warmest	Warmest since: 1987	2015
	Ties: 1940, 1987, 1992
Jan 1986–Dec 1988 36-Month	46.1°F (7.8°C)	44.5°F (6.9°C)	1.6°F (0.9°C)	117th Coolest	Coolest since: 1987	1913
	46.1°F (7.8°C)	44.5°F (6.9°C)	1.6°F (0.9°C)	10th Warmest	Warmest since: 1941	2016
	Ties: 1941
Jan 1985–Dec 1988 48-Month	45.1°F (7.3°C)	44.4°F (6.9°C)	0.7°F (0.4°C)	91st Coolest	Coolest since: 1987	1913, 1914, 1919
	45.1°F (7.3°C)	44.4°F (6.9°C)	0.7°F (0.4°C)	35th Warmest	Warmest since: 1968	2016, 2017
	Ties: 1934, 1936, 1937, 1943, 1968, 2010, 2012
Jan 1984–Dec 1988 60-Month	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	78th Coolest	Coolest since: 1987	1913
	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	47th Warmest	Warmest since: 1981	2018
	Ties: 1928, 1934, 1935, 1936, 1967

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings