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, January 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1991 1-Month	26.2°F (-3.2°C)	26.2°F (-3.2°C)	0.0°F (0.0°C)	47th Coolest	Coolest since: 1988	1937, 1949
	26.2°F (-3.2°C)	26.2°F (-3.2°C)	0.0°F (0.0°C)	82nd Warmest	Warmest since: 1990	1953
	Ties: 1933, 1987
Dec 1990–Jan 1991 2-Month	23.2°F (-4.9°C)	27.2°F (-2.7°C)	-4.0°F (-2.2°C)	14th Coolest	Coolest since: 1985	1949
Dec 1990–Jan 1991 2-Month	23.2°F (-4.9°C)	27.2°F (-2.7°C)	-4.0°F (-2.2°C)	114th Warmest	Warmest since: 1990	1934
Nov 1990–Jan 1991 3-Month	27.6°F (-2.4°C)	29.7°F (-1.3°C)	-2.1°F (-1.1°C)	20th Coolest	Coolest since: 1986	1949
Nov 1990–Jan 1991 3-Month	27.6°F (-2.4°C)	29.7°F (-1.3°C)	-2.1°F (-1.1°C)	108th Warmest	Warmest since: 1990	1934
Oct 1990–Jan 1991 4-Month	31.7°F (-0.2°C)	33.7°F (0.9°C)	-2.0°F (-1.1°C)	18th Coolest	Coolest since: 1986	1949
Oct 1990–Jan 1991 4-Month	31.7°F (-0.2°C)	33.7°F (0.9°C)	-2.0°F (-1.1°C)	110th Warmest	Warmest since: 1990	1934
Sep 1990–Jan 1991 5-Month	37.7°F (3.2°C)	38.1°F (3.4°C)	-0.4°F (-0.2°C)	44th Coolest	Coolest since: 1986	1949
	37.7°F (3.2°C)	38.1°F (3.4°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1990	2015
	Ties: 1924
Aug 1990–Jan 1991 6-Month	42.2°F (5.7°C)	42.3°F (5.7°C)	-0.1°F (0.0°C)	53rd Coolest	Coolest since: 1986	1949
	42.2°F (5.7°C)	42.3°F (5.7°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1990	2015
	Ties: 1921, 1977
Jul 1990–Jan 1991 7-Month	45.6°F (7.6°C)	45.4°F (7.4°C)	0.2°F (0.2°C)	58th Coolest	Coolest since: 1987	1949
	45.6°F (7.6°C)	45.4°F (7.4°C)	0.2°F (0.2°C)	70th Warmest	Warmest since: 1990	2015
	Ties: 1919, 1923, 1946, 1963
Jun 1990–Jan 1991 8-Month	47.1°F (8.4°C)	46.8°F (8.2°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1986	1949
	47.1°F (8.4°C)	46.8°F (8.2°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1990	2015, 2022
	Ties: 1945, 1974, 1976
May 1990–Jan 1991 9-Month	47.2°F (8.4°C)	47.2°F (8.4°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1986	1917
	47.2°F (8.4°C)	47.2°F (8.4°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1990	2015
	Ties: 1901, 1908, 1946, 1976, 1994
Apr 1990–Jan 1991 10-Month	47.2°F (8.4°C)	46.7°F (8.2°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 1987	1917, 1949
	47.2°F (8.4°C)	46.7°F (8.2°C)	0.5°F (0.2°C)	53rd Warmest	Warmest since: 1990	2015
	Ties: 2001, 2009
Mar 1990–Jan 1991 11-Month	46.4°F (8.0°C)	45.7°F (7.6°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 1986	1949
	46.4°F (8.0°C)	45.7°F (7.6°C)	0.7°F (0.4°C)	43rd Warmest	Warmest since: 1990	2016
	Ties: 1905, 1968, 1975, 1978, 1982, 2000
Feb 1990–Jan 1991 12-Month	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1990	1949
	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1990	2016
	Ties: 1990
Aug 1989–Jan 1991 18-Month	44.6°F (7.0°C)	43.8°F (6.6°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1990	1917
	44.6°F (7.0°C)	43.8°F (6.6°C)	0.8°F (0.4°C)	39th Warmest	Warmest since: 1989	2016
	Ties: 1992, 1998, 2020
Feb 1989–Jan 1991 24-Month	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 1987	1913, 1950, 1957
	45.0°F (7.2°C)	44.5°F (6.9°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 1990	2016
	Ties: 1926, 1964, 1975, 1995, 2010
Feb 1988–Jan 1991 36-Month	45.3°F (7.4°C)	44.4°F (6.9°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1988	1914
	45.3°F (7.4°C)	44.4°F (6.9°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1990	2017
	Ties: 1927, 1935, 1936, 1943, 1998, 2010
Feb 1987–Jan 1991 48-Month	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	108th Coolest	Coolest since: 1989	1915
	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	17th Warmest	Warmest since: 1990	2018
	Ties: 1999, 2001, 2002
Feb 1986–Jan 1991 60-Month	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	110th Coolest	Coolest since: 1990	1917
	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	14th Warmest	Warmest since: 1942	2018, 2019
	Ties: 1942, 1992, 1993, 1999, 2002, 2003, 2004

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published November 2022, retrieved on December 3, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings