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 2010

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2010 1-Month	29.9°F (-1.2°C)	28.1°F (-2.2°C)	1.8°F (1.0°C)	87th Coolest	Coolest since: 2009	1990
December 2010 1-Month	29.9°F (-1.2°C)	28.1°F (-2.2°C)	1.8°F (1.0°C)	42nd Warmest	Warmest since: 2004	1917
Nov–Dec 2010 2-Month	31.6°F (-0.2°C)	31.3°F (-0.4°C)	0.3°F (0.2°C)	63rd Coolest	Coolest since: 2009	1985
	31.6°F (-0.2°C)	31.3°F (-0.4°C)	0.3°F (0.2°C)	66th Warmest	Warmest since: 2008	1917
	Ties: 2007
Oct–Dec 2010 3-Month	37.1°F (2.8°C)	36.1°F (2.3°C)	1.0°F (0.5°C)	88th Coolest	Coolest since: 2009	1985
	37.1°F (2.8°C)	36.1°F (2.3°C)	1.0°F (0.5°C)	41st Warmest	Warmest since: 2004	1917
	Ties: 1942, 1943, 1954, 1973, 1986, 2018
Sep–Dec 2010 4-Month	42.0°F (5.6°C)	41.0°F (5.0°C)	1.0°F (0.6°C)	85th Coolest	Coolest since: 2009	1985
	42.0°F (5.6°C)	41.0°F (5.0°C)	1.0°F (0.6°C)	44th Warmest	Warmest since: 2008	1917
	Ties: 1940, 1952, 2008
Aug–Dec 2010 5-Month	46.2°F (7.9°C)	45.5°F (7.5°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 2009	1985
	46.2°F (7.9°C)	45.5°F (7.5°C)	0.7°F (0.4°C)	46th Warmest	Warmest since: 2008	1917, 2014
	Ties: 1989
Jul–Dec 2010 6-Month	49.2°F (9.6°C)	48.7°F (9.3°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 2009	1985
	49.2°F (9.6°C)	48.7°F (9.3°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 2008	2014
	Ties: 1936, 1952, 1973, 1994, 2005
Jun–Dec 2010 7-Month	50.0°F (10.0°C)	49.7°F (9.8°C)	0.3°F (0.2°C)	58th Coolest	Coolest since: 2005	1916
	50.0°F (10.0°C)	49.7°F (9.8°C)	0.3°F (0.2°C)	71st Warmest	Warmest since: 2009	2021
	Ties: 1922, 1929, 1949, 1965, 1969, 1980, 1990, 2005
May–Dec 2010 8-Month	49.5°F (9.7°C)	49.8°F (9.9°C)	-0.3°F (-0.2°C)	40th Coolest	Coolest since: 1993	1916
	49.5°F (9.7°C)	49.8°F (9.9°C)	-0.3°F (-0.2°C)	89th Warmest	Warmest since: 2009	2021
	Ties: 1921, 1943, 1970
Apr–Dec 2010 9-Month	48.6°F (9.2°C)	49.0°F (9.4°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 1993	1916
	48.6°F (9.2°C)	49.0°F (9.4°C)	-0.4°F (-0.2°C)	88th Warmest	Warmest since: 2009	2021
	Ties: 1922, 1945
Mar–Dec 2010 10-Month	47.6°F (8.7°C)	47.7°F (8.7°C)	-0.1°F (0.0°C)	54th Coolest	Coolest since: 2008	1916
	47.6°F (8.7°C)	47.7°F (8.7°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 2009	2015
	Ties: 1901, 1928, 2008
Feb–Dec 2010 11-Month	46.4°F (8.0°C)	46.2°F (7.9°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 2009	1955
	46.4°F (8.0°C)	46.2°F (7.9°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 2007	2015
	Ties: 1906, 1949, 1962
Jan–Dec 2010 12-Month	45.2°F (7.3°C)	44.4°F (6.9°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 2009	1916
	45.2°F (7.3°C)	44.4°F (6.9°C)	0.8°F (0.4°C)	42nd Warmest	Warmest since: 2007	2015
	Ties: 1938, 1947, 2002
Jul 2009–Dec 2010 18-Month	46.4°F (8.0°C)	45.8°F (7.7°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 2008	1985
	46.4°F (8.0°C)	45.8°F (7.7°C)	0.6°F (0.3°C)	47th Warmest	Warmest since: 2009	2015
	Ties: 1954, 1974, 1989, 1994, 1996
Jan 2009–Dec 2010 24-Month	45.1°F (7.3°C)	44.5°F (6.9°C)	0.6°F (0.4°C)	86th Coolest	Coolest since: 2009	1917
	45.1°F (7.3°C)	44.5°F (6.9°C)	0.6°F (0.4°C)	42nd Warmest	Warmest since: 2008	2015
	Ties: 1997
Jan 2008–Dec 2010 36-Month	44.9°F (7.2°C)	44.5°F (6.9°C)	0.4°F (0.3°C)	78th Coolest	Coolest since: 1987	1913
	44.9°F (7.2°C)	44.5°F (6.9°C)	0.4°F (0.3°C)	49th Warmest	Warmest since: 2009	2016
	Ties: 1958, 1969
Jan 2007–Dec 2010 48-Month	45.1°F (7.3°C)	44.4°F (6.9°C)	0.7°F (0.4°C)	91st Coolest	Coolest since: 1996	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: 2009	2016, 2017
	Ties: 1934, 1936, 1937, 1943, 1968, 1988, 2012
Jan 2006–Dec 2010 60-Month	45.3°F (7.4°C)	44.4°F (6.9°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1997	1913
	45.3°F (7.4°C)	44.4°F (6.9°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 2009	2018
	Ties: 1943

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings