Climate at a Glance | Regional Rankings | National Centers for Environmental Information (NCEI)

Regional Rankings

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Please note, 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.

Northwest

December 2004 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
December 2004 1-Month	32.9°F (0.5°C)	28.8°F (-1.8°C)	4.1°F	114th Coolest	Coolest since: 2003	1990
	32.9°F (0.5°C)	28.8°F (-1.8°C)	4.1°F	17th Warmest	Warmest since: 2002	1917
	Ties: 1962
Nov–Dec 2004 2-Month	34.7°F (1.5°C)	32.1°F (0.1°C)	2.6°F	110th Coolest	Coolest since: 2003	1985
Nov–Dec 2004 2-Month	34.7°F (1.5°C)	32.1°F (0.1°C)	2.6°F	21st Warmest	Warmest since: 2002	1917
Oct–Dec 2004 3-Month	38.8°F (3.8°C)	36.9°F (2.7°C)	1.9°F	111th Coolest	Coolest since: 2003	1985
Oct–Dec 2004 3-Month	38.8°F (3.8°C)	36.9°F (2.7°C)	1.9°F	20th Warmest	Warmest since: 1999	1917
Sep–Dec 2004 4-Month	43.0°F (6.1°C)	41.8°F (5.4°C)	1.2°F	93rd Coolest	Coolest since: 2000	1985
	43.0°F (6.1°C)	41.8°F (5.4°C)	1.2°F	38th Warmest	Warmest since: 2003	1917
	Ties: 1981
Aug–Dec 2004 5-Month	47.5°F (8.6°C)	46.1°F (7.8°C)	1.4°F	98th Coolest	Coolest since: 2002	1985
	47.5°F (8.6°C)	46.1°F (7.8°C)	1.4°F	33rd Warmest	Warmest since: 2003	2024
	Ties: 1974, 1997
Jul–Dec 2004 6-Month	50.8°F (10.4°C)	49.2°F (9.6°C)	1.6°F	109th Coolest	Coolest since: 2002	1985
Jul–Dec 2004 6-Month	50.8°F (10.4°C)	49.2°F (9.6°C)	1.6°F	22nd Warmest	Warmest since: 2003	2024
Jun–Dec 2004 7-Month	52.0°F (11.1°C)	50.4°F (10.2°C)	1.6°F	114th Coolest	Coolest since: 2002	1916
	52.0°F (11.1°C)	50.4°F (10.2°C)	1.6°F	17th Warmest	Warmest since: 2003	2024
	Ties: 1939
May–Dec 2004 8-Month	51.9°F (11.1°C)	50.4°F (10.2°C)	1.5°F	114th Coolest	Coolest since: 2002	1916
May–Dec 2004 8-Month	51.9°F (11.1°C)	50.4°F (10.2°C)	1.5°F	17th Warmest	Warmest since: 2003	2023
Apr–Dec 2004 9-Month	51.3°F (10.7°C)	49.6°F (9.8°C)	1.7°F	118th Coolest	Coolest since: 2002	1916
Apr–Dec 2004 9-Month	51.3°F (10.7°C)	49.6°F (9.8°C)	1.7°F	13th Warmest	Warmest since: 2003	2021
Mar–Dec 2004 10-Month	50.4°F (10.2°C)	48.3°F (9.1°C)	2.1°F	125th Coolest	Coolest since: 2003	1916
Mar–Dec 2004 10-Month	50.4°F (10.2°C)	48.3°F (9.1°C)	2.1°F	6th Warmest	Warmest since: 1934	2015
Feb–Dec 2004 11-Month	48.7°F (9.3°C)	46.7°F (8.2°C)	2.0°F	120th Coolest	Coolest since: 2003	1955
Feb–Dec 2004 11-Month	48.7°F (9.3°C)	46.7°F (8.2°C)	2.0°F	11th Warmest	Warmest since: 1992	2015
Jan–Dec 2004 12-Month	47.0°F (8.3°C)	45.1°F (7.3°C)	1.9°F	119th Coolest	Coolest since: 2002	1916
Jan–Dec 2004 12-Month	47.0°F (8.3°C)	45.1°F (7.3°C)	1.9°F	12th Warmest	Warmest since: 2003	2015
Jul 2003–Dec 2004 18-Month	48.5°F (9.2°C)	46.5°F (8.1°C)	2.0°F	120th Coolest	Coolest since: 2002	1985
Jul 2003–Dec 2004 18-Month	48.5°F (9.2°C)	46.5°F (8.1°C)	2.0°F	10th Warmest	Warmest since: 2003	2015
Jan 2003–Dec 2004 24-Month	47.3°F (8.5°C)	45.1°F (7.3°C)	2.2°F	126th Coolest	Coolest since: 2003	1917
Jan 2003–Dec 2004 24-Month	47.3°F (8.5°C)	45.1°F (7.3°C)	2.2°F	4th Warmest	Warmest to Date	2015
Jan 2002–Dec 2004 36-Month	46.8°F (8.2°C)	45.1°F (7.3°C)	1.7°F	119th Coolest	Coolest since: 2003	1913
Jan 2002–Dec 2004 36-Month	46.8°F (8.2°C)	45.1°F (7.3°C)	1.7°F	10th Warmest	Warmest to Date	2016
Jan 2001–Dec 2004 48-Month	46.7°F (8.2°C)	45.1°F (7.3°C)	1.6°F	119th Coolest	Coolest since: 2003	1913, 1914
Jan 2001–Dec 2004 48-Month	46.7°F (8.2°C)	45.1°F (7.3°C)	1.6°F	9th Warmest	Warmest to Date	2016, 2017
Jan 2000–Dec 2004 60-Month	46.5°F (8.1°C)	45.0°F (7.2°C)	1.5°F	113th Coolest	Coolest since: 2003	1913
Jan 2000–Dec 2004 60-Month	46.5°F (8.1°C)	45.0°F (7.2°C)	1.5°F	14th Warmest	Warmest to Date	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings

Climate at a Glance Regional Rankings

Regional Rankings

Northwest

December 2004 Average Temperature Rankings

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