Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1940

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 1940 1-Month	27.8°F (-2.3°C)	26.2°F (-3.2°C)	1.6°F (0.9°C)	69th Coolest	Coolest since: 1937	1937, 1949
	27.8°F (-2.3°C)	26.2°F (-3.2°C)	1.6°F (0.9°C)	61st Warmest	Warmest since: 1939	1953
	Ties: 1996
Dec 1939–Jan 1940 2-Month	31.3°F (-0.4°C)	27.2°F (-2.7°C)	4.1°F (2.3°C)	119th Coolest	Coolest since: 1939	1949
	31.3°F (-0.4°C)	27.2°F (-2.7°C)	4.1°F (2.3°C)	10th Warmest	Warmest since: 1934	1934
	Ties: 2018, 2020
Nov 1939–Jan 1940 3-Month	33.2°F (0.7°C)	29.6°F (-1.3°C)	3.6°F (2.0°C)	121st Coolest	Coolest since: 1939	1949
Nov 1939–Jan 1940 3-Month	33.2°F (0.7°C)	29.6°F (-1.3°C)	3.6°F (2.0°C)	8th Warmest	Warmest since: 1934	1934
Oct 1939–Jan 1940 4-Month	36.5°F (2.5°C)	33.7°F (0.9°C)	2.8°F (1.6°C)	121st Coolest	Coolest since: 1939	1949
	36.5°F (2.5°C)	33.7°F (0.9°C)	2.8°F (1.6°C)	8th Warmest	Warmest since: 1938	1934
	Ties: 1959
Sep 1939–Jan 1940 5-Month	40.6°F (4.8°C)	38.1°F (3.4°C)	2.5°F (1.4°C)	117th Coolest	Coolest since: 1939	1949
Sep 1939–Jan 1940 5-Month	40.6°F (4.8°C)	38.1°F (3.4°C)	2.5°F (1.4°C)	12th Warmest	Warmest since: 1938	2015
Aug 1939–Jan 1940 6-Month	44.7°F (7.1°C)	42.3°F (5.7°C)	2.4°F (1.4°C)	122nd Coolest	Coolest since: 1939	1949
	44.7°F (7.1°C)	42.3°F (5.7°C)	2.4°F (1.4°C)	7th Warmest	Warmest since: 1934	2015
	Ties: 1959, 1967
Jul 1939–Jan 1940 7-Month	47.6°F (8.7°C)	45.4°F (7.4°C)	2.2°F (1.3°C)	118th Coolest	Coolest since: 1939	1949
	47.6°F (8.7°C)	45.4°F (7.4°C)	2.2°F (1.3°C)	11th Warmest	Warmest since: 1934	2015
	Ties: 1992, 2004, 2016
Jun 1939–Jan 1940 8-Month	48.5°F (9.2°C)	46.8°F (8.2°C)	1.7°F (1.0°C)	111th Coolest	Coolest since: 1939	1949
	48.5°F (9.2°C)	46.8°F (8.2°C)	1.7°F (1.0°C)	18th Warmest	Warmest since: 1938	2015, 2022
	Ties: 1968
May 1939–Jan 1940 9-Month	49.0°F (9.4°C)	47.2°F (8.4°C)	1.8°F (1.0°C)	117th Coolest	Coolest since: 1939	1917
	49.0°F (9.4°C)	47.2°F (8.4°C)	1.8°F (1.0°C)	12th Warmest	Warmest since: 1938	2015
	Ties: 1934, 1938, 2014
Apr 1939–Jan 1940 10-Month	48.7°F (9.3°C)	46.7°F (8.2°C)	2.0°F (1.1°C)	120th Coolest	Coolest since: 1939	1917, 1949
	48.7°F (9.3°C)	46.7°F (8.2°C)	2.0°F (1.1°C)	9th Warmest	Warmest since: 1935	2015
	Ties: 1941
Mar 1939–Jan 1940 11-Month	47.6°F (8.7°C)	45.7°F (7.6°C)	1.9°F (1.1°C)	118th Coolest	Coolest since: 1939	1949
	47.6°F (8.7°C)	45.7°F (7.6°C)	1.9°F (1.1°C)	11th Warmest	Warmest since: 1935	2016
	Ties: 1988, 2004
Feb 1939–Jan 1940 12-Month	45.8°F (7.7°C)	44.4°F (6.9°C)	1.4°F (0.8°C)	107th Coolest	Coolest since: 1939	1949
	45.8°F (7.7°C)	44.4°F (6.9°C)	1.4°F (0.8°C)	22nd Warmest	Warmest since: 1935	2016
	Ties: 1992, 2002, 2006
Aug 1938–Jan 1940 18-Month	45.0°F (7.2°C)	43.7°F (6.5°C)	1.3°F (0.7°C)	104th Coolest	Coolest since: 1939	1917
	45.0°F (7.2°C)	43.7°F (6.5°C)	1.3°F (0.7°C)	24th Warmest	Warmest since: 1939	2016
	Ties: 1939, 2000
Feb 1938–Jan 1940 24-Month	45.5°F (7.5°C)	44.4°F (6.9°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 1939	1913, 1950, 1957
	45.5°F (7.5°C)	44.4°F (6.9°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 1936	2016
	Ties: 1968, 1990, 2002
Feb 1937–Jan 1940 36-Month	45.5°F (7.5°C)	44.4°F (6.9°C)	1.1°F (0.6°C)	103rd Coolest	Coolest since: 1939	1914
	45.5°F (7.5°C)	44.4°F (6.9°C)	1.1°F (0.6°C)	24th Warmest	Warmest to Date	2017
	Ties: 1995
Feb 1936–Jan 1940 48-Month	44.9°F (7.2°C)	44.4°F (6.9°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1939	1915
	44.9°F (7.2°C)	44.4°F (6.9°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 1938	2018
	Ties: 1927, 1928, 1936, 1964
Feb 1935–Jan 1940 60-Month	44.7°F (7.1°C)	44.4°F (6.9°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1937	1917
	44.7°F (7.1°C)	44.4°F (6.9°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1939	2018, 2019
	Ties: 1929, 1961, 1964, 1967

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings