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 2019

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2019 1-Month	31.0°F (-0.6°C)	28.1°F (-2.2°C)	2.9°F (1.6°C)	106th Coolest	Coolest since: 2018	1990
	31.0°F (-0.6°C)	28.1°F (-2.2°C)	2.9°F (1.6°C)	23rd Warmest	Warmest since: 2014	1917
	Ties: 1966, 1999
Nov–Dec 2019 2-Month	33.9°F (1.1°C)	31.3°F (-0.4°C)	2.6°F (1.5°C)	108th Coolest	Coolest since: 2018	1985
Nov–Dec 2019 2-Month	33.9°F (1.1°C)	31.3°F (-0.4°C)	2.6°F (1.5°C)	21st Warmest	Warmest since: 2004	1917
Oct–Dec 2019 3-Month	36.0°F (2.2°C)	36.2°F (2.3°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 2013	1985
	36.0°F (2.2°C)	36.2°F (2.3°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 2018	1917
	Ties: 1915, 1964, 2007
Sep–Dec 2019 4-Month	40.9°F (4.9°C)	41.1°F (5.1°C)	-0.2°F (-0.2°C)	54th Coolest	Coolest since: 2013	1985
	40.9°F (4.9°C)	41.1°F (5.1°C)	-0.2°F (-0.2°C)	75th Warmest	Warmest since: 2018	1917
	Ties: 2005, 2013
Aug–Dec 2019 5-Month	45.9°F (7.7°C)	45.5°F (7.5°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 2009	1985
	45.9°F (7.7°C)	45.5°F (7.5°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 2018	1917, 2014
	Ties: 1907, 1923, 1965, 1976, 1977
Jul–Dec 2019 6-Month	49.0°F (9.4°C)	48.6°F (9.2°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 2009	1985
	49.0°F (9.4°C)	48.6°F (9.2°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 2018	2014
	Ties: 1925, 1941, 1960, 1976, 1996
Jun–Dec 2019 7-Month	50.3°F (10.2°C)	49.8°F (9.9°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 2011	1916
	50.3°F (10.2°C)	49.8°F (9.9°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 2018	2021
	Ties: 1926, 1960, 1973, 1986, 1994
May–Dec 2019 8-Month	50.5°F (10.3°C)	49.8°F (9.9°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 2011	1916
	50.5°F (10.3°C)	49.8°F (9.9°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 2018	2021
	Ties: 1925, 1973, 1989, 2008
Apr–Dec 2019 9-Month	49.8°F (9.9°C)	49.0°F (9.4°C)	0.8°F (0.5°C)	94th Coolest	Coolest since: 2011	1916
	49.8°F (9.9°C)	49.0°F (9.4°C)	0.8°F (0.5°C)	35th Warmest	Warmest since: 2018	2021
	Ties: 1906, 1933, 1938, 1967, 1997
Mar–Dec 2019 10-Month	48.3°F (9.1°C)	47.7°F (8.7°C)	0.6°F (0.4°C)	87th Coolest	Coolest since: 2011	1916
	48.3°F (9.1°C)	47.7°F (8.7°C)	0.6°F (0.4°C)	42nd Warmest	Warmest since: 2018	2015
	Ties: 1938, 1967, 1974
Feb–Dec 2019 11-Month	46.2°F (7.9°C)	46.2°F (7.9°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 2011	1955
	46.2°F (7.9°C)	46.2°F (7.9°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 2018	2015
	Ties: 1907, 1918, 1930, 1931, 1936, 1968, 1969, 1989, 2008
Jan–Dec 2019 12-Month	44.9°F (7.2°C)	44.4°F (6.9°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 2011	1916
	44.9°F (7.2°C)	44.4°F (6.9°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 2018	2015
	Ties: 1904, 1906, 1915, 1973, 1980, 1983, 2009
Jul 2018–Dec 2019 18-Month	46.6°F (8.1°C)	45.8°F (7.7°C)	0.8°F (0.4°C)	92nd Coolest	Coolest since: 2011	1985
	46.6°F (8.1°C)	45.8°F (7.7°C)	0.8°F (0.4°C)	36th Warmest	Warmest since: 2018	2015
	Ties: 1961, 1963, 1968, 1980, 1997
Jan 2018–Dec 2019 24-Month	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	102nd Coolest	Coolest since: 2012	1917
	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	26th Warmest	Warmest since: 2018	2015
	Ties: 1939, 1959
Jan 2017–Dec 2019 36-Month	45.7°F (7.6°C)	44.4°F (6.9°C)	1.3°F (0.7°C)	109th Coolest	Coolest since: 2013	1913
	45.7°F (7.6°C)	44.4°F (6.9°C)	1.3°F (0.7°C)	18th Warmest	Warmest since: 2018	2016
	Ties: 1989, 1999, 2000
Jan 2016–Dec 2019 48-Month	46.0°F (7.8°C)	44.4°F (6.9°C)	1.6°F (0.9°C)	118th Coolest	Coolest since: 2014	1913, 1914, 1919
	46.0°F (7.8°C)	44.4°F (6.9°C)	1.6°F (0.9°C)	8th Warmest	Warmest since: 2018	2016, 2017
	Ties: 2005, 2007, 2022
Jan 2015–Dec 2019 60-Month	46.5°F (8.1°C)	44.4°F (6.9°C)	2.1°F (1.2°C)	121st Coolest	Coolest since: 2015	1913
Jan 2015–Dec 2019 60-Month	46.5°F (8.1°C)	44.4°F (6.9°C)	2.1°F (1.2°C)	4th Warmest	Warmest since: 2018	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings