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 1999

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1999 1-Month	31.3°F (-0.4°C)	26.2°F (-3.2°C)	5.1°F (2.8°C)	114th Coolest	Coolest since: 1998	1937, 1949
	31.3°F (-0.4°C)	26.2°F (-3.2°C)	5.1°F (2.8°C)	15th Warmest	Warmest since: 1994	1953
	Ties: 2019, 2021
Dec 1998–Jan 1999 2-Month	29.2°F (-1.6°C)	27.2°F (-2.7°C)	2.0°F (1.1°C)	89th Coolest	Coolest since: 1997	1949
	29.2°F (-1.6°C)	27.2°F (-2.7°C)	2.0°F (1.1°C)	39th Warmest	Warmest since: 1998	1934
	Ties: 2022
Nov 1998–Jan 1999 3-Month	31.7°F (-0.2°C)	29.6°F (-1.3°C)	2.1°F (1.1°C)	99th Coolest	Coolest since: 1997	1949
Nov 1998–Jan 1999 3-Month	31.7°F (-0.2°C)	29.6°F (-1.3°C)	2.1°F (1.1°C)	29th Warmest	Warmest since: 1998	1934
Oct 1998–Jan 1999 4-Month	35.0°F (1.7°C)	33.6°F (0.9°C)	1.4°F (0.8°C)	90th Coolest	Coolest since: 1997	1949
	35.0°F (1.7°C)	33.6°F (0.9°C)	1.4°F (0.8°C)	38th Warmest	Warmest since: 1998	1934
	Ties: 1975, 1988
Sep 1998–Jan 1999 5-Month	40.2°F (4.6°C)	38.0°F (3.3°C)	2.2°F (1.3°C)	112th Coolest	Coolest since: 1998	1949
	40.2°F (4.6°C)	38.0°F (3.3°C)	2.2°F (1.3°C)	16th Warmest	Warmest since: 1992	2015
	Ties: 1905, 1964, 1990, 2016, 2022
Aug 1998–Jan 1999 6-Month	44.6°F (7.0°C)	42.2°F (5.7°C)	2.4°F (1.3°C)	118th Coolest	Coolest since: 1998	1949
	44.6°F (7.0°C)	42.2°F (5.7°C)	2.4°F (1.3°C)	10th Warmest	Warmest since: 1992	2015
	Ties: 1953, 1992
Jul 1998–Jan 1999 7-Month	48.0°F (8.9°C)	45.4°F (7.4°C)	2.6°F (1.5°C)	121st Coolest	Coolest since: 1998	1949
Jul 1998–Jan 1999 7-Month	48.0°F (8.9°C)	45.4°F (7.4°C)	2.6°F (1.5°C)	7th Warmest	Warmest since: 1934	2015
Jun 1998–Jan 1999 8-Month	49.0°F (9.4°C)	46.8°F (8.2°C)	2.2°F (1.2°C)	118th Coolest	Coolest since: 1998	1949
	49.0°F (9.4°C)	46.8°F (8.2°C)	2.2°F (1.2°C)	10th Warmest	Warmest since: 1959	2022
	Ties: 1918
May 1998–Jan 1999 9-Month	49.1°F (9.5°C)	47.2°F (8.4°C)	1.9°F (1.1°C)	119th Coolest	Coolest since: 1998	1917
	49.1°F (9.5°C)	47.2°F (8.4°C)	1.9°F (1.1°C)	9th Warmest	Warmest since: 1959	2015
	Ties: 1941, 2003
Apr 1998–Jan 1999 10-Month	48.5°F (9.2°C)	46.7°F (8.2°C)	1.8°F (1.0°C)	116th Coolest	Coolest since: 1998	1917, 1949
	48.5°F (9.2°C)	46.7°F (8.2°C)	1.8°F (1.0°C)	12th Warmest	Warmest since: 1988	2015
	Ties: 1988, 2003, 2004
Mar 1998–Jan 1999 11-Month	47.5°F (8.6°C)	45.7°F (7.6°C)	1.8°F (1.0°C)	114th Coolest	Coolest since: 1998	1949
Mar 1998–Jan 1999 11-Month	47.5°F (8.6°C)	45.7°F (7.6°C)	1.8°F (1.0°C)	14th Warmest	Warmest since: 1988	2016
Feb 1998–Jan 1999 12-Month	46.3°F (7.9°C)	44.4°F (6.9°C)	1.9°F (1.0°C)	117th Coolest	Coolest since: 1998	1949
	46.3°F (7.9°C)	44.4°F (6.9°C)	1.9°F (1.0°C)	11th Warmest	Warmest since: 1993	2016
	Ties: 1993, 2004, 2017
Aug 1997–Jan 1999 18-Month	45.6°F (7.6°C)	43.7°F (6.5°C)	1.9°F (1.1°C)	116th Coolest	Coolest since: 1998	1917
Aug 1997–Jan 1999 18-Month	45.6°F (7.6°C)	43.7°F (6.5°C)	1.9°F (1.1°C)	11th Warmest	Warmest since: 1993	2016
Feb 1997–Jan 1999 24-Month	46.0°F (7.8°C)	44.5°F (6.9°C)	1.5°F (0.9°C)	115th Coolest	Coolest since: 1998	1913, 1950, 1957
	46.0°F (7.8°C)	44.5°F (6.9°C)	1.5°F (0.9°C)	12th Warmest	Warmest since: 1993	2016
	Ties: 1993, 2004, 2014
Feb 1996–Jan 1999 36-Month	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	106th Coolest	Coolest since: 1998	1914
	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	20th Warmest	Warmest since: 1993	2017
	Ties: 2001, 2003
Feb 1995–Jan 1999 48-Month	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	108th Coolest	Coolest since: 1998	1915
	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	17th Warmest	Warmest since: 1991	2018
	Ties: 1991, 2001, 2002
Feb 1994–Jan 1999 60-Month	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	110th Coolest	Coolest since: 1998	1917
	45.6°F (7.6°C)	44.4°F (6.9°C)	1.2°F (0.7°C)	14th Warmest	Warmest since: 1993	2018, 2019
	Ties: 1942, 1991, 1992, 1993, 2002, 2003, 2004

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings