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 2003 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
December 2003 1-Month	31.4°F (-0.3°C)	28.8°F (-1.8°C)	2.6°F	96th Coolest	Coolest since: 2001	1990
December 2003 1-Month	31.4°F (-0.3°C)	28.8°F (-1.8°C)	2.6°F	35th Warmest	Warmest since: 2002	1917
Nov–Dec 2003 2-Month	31.8°F (-0.1°C)	32.1°F (0.1°C)	-0.3°F	52nd Coolest	Coolest since: 2000	1985
	31.8°F (-0.1°C)	32.1°F (0.1°C)	-0.3°F	79th Warmest	Warmest since: 2002	1917
	Ties: 1960
Oct–Dec 2003 3-Month	38.0°F (3.3°C)	36.9°F (2.7°C)	1.1°F	93rd Coolest	Coolest since: 2001	1985
	38.0°F (3.3°C)	36.9°F (2.7°C)	1.1°F	38th Warmest	Warmest since: 2002	1917
	Ties: 1991
Sep–Dec 2003 4-Month	43.4°F (6.3°C)	41.8°F (5.4°C)	1.6°F	106th Coolest	Coolest since: 2002	1985
	43.4°F (6.3°C)	41.8°F (5.4°C)	1.6°F	25th Warmest	Warmest since: 2001	1917
	Ties: 1934, 1988, 2001
Aug–Dec 2003 5-Month	48.0°F (8.9°C)	46.1°F (7.8°C)	1.9°F	115th Coolest	Coolest since: 2002	1985
Aug–Dec 2003 5-Month	48.0°F (8.9°C)	46.1°F (7.8°C)	1.9°F	16th Warmest	Warmest since: 2001	2024
Jul–Dec 2003 6-Month	51.6°F (10.9°C)	49.2°F (9.6°C)	2.4°F	124th Coolest	Coolest since: 2002	1985
Jul–Dec 2003 6-Month	51.6°F (10.9°C)	49.2°F (9.6°C)	2.4°F	7th Warmest	Warmest since: 1917	2024
Jun–Dec 2003 7-Month	52.9°F (11.6°C)	50.4°F (10.2°C)	2.5°F	125th Coolest	Coolest since: 2002	1916
Jun–Dec 2003 7-Month	52.9°F (11.6°C)	50.4°F (10.2°C)	2.5°F	6th Warmest	Warmest to Date	2024
May–Dec 2003 8-Month	52.6°F (11.4°C)	50.4°F (10.2°C)	2.2°F	124th Coolest	Coolest since: 2002	1916
May–Dec 2003 8-Month	52.6°F (11.4°C)	50.4°F (10.2°C)	2.2°F	7th Warmest	Warmest since: 1958	2023
Apr–Dec 2003 9-Month	51.5°F (10.8°C)	49.6°F (9.8°C)	1.9°F	122nd Coolest	Coolest since: 2002	1916
Apr–Dec 2003 9-Month	51.5°F (10.8°C)	49.6°F (9.8°C)	1.9°F	9th Warmest	Warmest since: 1987	2021
Mar–Dec 2003 10-Month	50.3°F (10.2°C)	48.3°F (9.1°C)	2.0°F	124th Coolest	Coolest since: 2002	1916
	50.3°F (10.2°C)	48.3°F (9.1°C)	2.0°F	7th Warmest	Warmest since: 1987	2015
	Ties: 1940, 1987
Feb–Dec 2003 11-Month	48.6°F (9.2°C)	46.7°F (8.2°C)	1.9°F	119th Coolest	Coolest since: 2002	1955
Feb–Dec 2003 11-Month	48.6°F (9.2°C)	46.7°F (8.2°C)	1.9°F	12th Warmest	Warmest since: 1992	2015
Jan–Dec 2003 12-Month	47.6°F (8.7°C)	45.1°F (7.3°C)	2.5°F	124th Coolest	Coolest since: 2002	1916
Jan–Dec 2003 12-Month	47.6°F (8.7°C)	45.1°F (7.3°C)	2.5°F	7th Warmest	Warmest since: 1992	2015
Jul 2002–Dec 2003 18-Month	48.6°F (9.2°C)	46.5°F (8.1°C)	2.1°F	123rd Coolest	Coolest since: 2002	1985
Jul 2002–Dec 2003 18-Month	48.6°F (9.2°C)	46.5°F (8.1°C)	2.1°F	7th Warmest	Warmest since: 1992	2015
Jan 2002–Dec 2003 24-Month	46.7°F (8.2°C)	45.1°F (7.3°C)	1.6°F	116th Coolest	Coolest since: 2002	1917
Jan 2002–Dec 2003 24-Month	46.7°F (8.2°C)	45.1°F (7.3°C)	1.6°F	14th Warmest	Warmest since: 1992	2015
Jan 2001–Dec 2003 36-Month	46.6°F (8.1°C)	45.1°F (7.3°C)	1.5°F	115th Coolest	Coolest since: 2002	1913
Jan 2001–Dec 2003 36-Month	46.6°F (8.1°C)	45.1°F (7.3°C)	1.5°F	14th Warmest	Warmest since: 1992	2016
Jan 2000–Dec 2003 48-Month	46.4°F (8.0°C)	45.1°F (7.3°C)	1.3°F	112th Coolest	Coolest since: 2002	1913, 1914
Jan 2000–Dec 2003 48-Month	46.4°F (8.0°C)	45.1°F (7.3°C)	1.3°F	16th Warmest	Warmest since: 1941	2016, 2017
Jan 1999–Dec 2003 60-Month	46.3°F (7.9°C)	45.0°F (7.2°C)	1.3°F	112th Coolest	Coolest since: 2002	1913
Jan 1999–Dec 2003 60-Month	46.3°F (7.9°C)	45.0°F (7.2°C)	1.3°F	15th Warmest	Warmest since: 1998	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2025, retrieved on March 26, 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 2003 Average Temperature Rankings

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