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.

Upper Colorado River Basin

Average Temperature Rankings, January 2003

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 2003 1-Month	30.1°F (-1.1°C)	21.1°F (-6.1°C)	9.0°F (5.0°C)	128th Coolest	Coolest since: 2002	1937
January 2003 1-Month	30.1°F (-1.1°C)	21.1°F (-6.1°C)	9.0°F (5.0°C)	1st Warmest	Warmest to Date	2003
Dec 2002–Jan 2003 2-Month	27.6°F (-2.4°C)	22.0°F (-5.6°C)	5.6°F (3.2°C)	121st Coolest	Coolest since: 2002	1979
Dec 2002–Jan 2003 2-Month	27.6°F (-2.4°C)	22.0°F (-5.6°C)	5.6°F (3.2°C)	7th Warmest	Warmest since: 1981	1981
Nov 2002–Jan 2003 3-Month	29.1°F (-1.6°C)	25.4°F (-3.7°C)	3.7°F (2.1°C)	117th Coolest	Coolest since: 2002	1932
	29.1°F (-1.6°C)	25.4°F (-3.7°C)	3.7°F (2.1°C)	11th Warmest	Warmest since: 2000	2018
	Ties: 1940
Oct 2002–Jan 2003 4-Month	32.7°F (0.4°C)	30.4°F (-0.9°C)	2.3°F (1.3°C)	103rd Coolest	Coolest since: 2002	1917
Oct 2002–Jan 2003 4-Month	32.7°F (0.4°C)	30.4°F (-0.9°C)	2.3°F (1.3°C)	25th Warmest	Warmest since: 2000	2018
Sep 2002–Jan 2003 5-Month	37.6°F (3.1°C)	35.6°F (2.0°C)	2.0°F (1.1°C)	102nd Coolest	Coolest since: 2001	1913
	37.6°F (3.1°C)	35.6°F (2.0°C)	2.0°F (1.1°C)	26th Warmest	Warmest since: 2002	2018
	Ties: 1935, 1982, 2012
Aug 2002–Jan 2003 6-Month	42.4°F (5.8°C)	40.5°F (4.7°C)	1.9°F (1.1°C)	104th Coolest	Coolest since: 2001	1913
	42.4°F (5.8°C)	40.5°F (4.7°C)	1.9°F (1.1°C)	24th Warmest	Warmest since: 2002	2018
	Ties: 1951, 2005, 2006, 2013
Jul 2002–Jan 2003 7-Month	46.6°F (8.1°C)	44.2°F (6.8°C)	2.4°F (1.3°C)	117th Coolest	Coolest since: 2002	1913
	46.6°F (8.1°C)	44.2°F (6.8°C)	2.4°F (1.3°C)	11th Warmest	Warmest since: 2000	2018
	Ties: 1978
Jun 2002–Jan 2003 8-Month	49.0°F (9.4°C)	46.3°F (7.9°C)	2.7°F (1.5°C)	122nd Coolest	Coolest since: 2002	1913
	49.0°F (9.4°C)	46.3°F (7.9°C)	2.7°F (1.5°C)	6th Warmest	Warmest since: 1981	2022
	Ties: 1978, 2017, 2021
May 2002–Jan 2003 9-Month	49.4°F (9.7°C)	46.8°F (8.2°C)	2.6°F (1.5°C)	123rd Coolest	Coolest since: 2002	1913
	49.4°F (9.7°C)	46.8°F (8.2°C)	2.6°F (1.5°C)	5th Warmest	Warmest to Date	2022
	Ties: 2013
Apr 2002–Jan 2003 10-Month	49.1°F (9.5°C)	46.3°F (7.9°C)	2.8°F (1.6°C)	124th Coolest	Coolest since: 2002	1913
	49.1°F (9.5°C)	46.3°F (7.9°C)	2.8°F (1.6°C)	4th Warmest	Warmest to Date	2022
	Ties: 2021
Mar 2002–Jan 2003 11-Month	47.5°F (8.6°C)	45.0°F (7.2°C)	2.5°F (1.4°C)	117th Coolest	Coolest since: 2001	1913
	47.5°F (8.6°C)	45.0°F (7.2°C)	2.5°F (1.4°C)	11th Warmest	Warmest since: 2002	2018
	Ties: 1995, 2004
Feb 2002–Jan 2003 12-Month	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	113th Coolest	Coolest since: 2000	1913
	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	15th Warmest	Warmest since: 2002	2018
	Ties: 1978, 1995
Aug 2001–Jan 2003 18-Month	44.6°F (7.0°C)	42.4°F (5.8°C)	2.2°F (1.2°C)	115th Coolest	Coolest since: 2002	1913
	44.6°F (7.0°C)	42.4°F (5.8°C)	2.2°F (1.2°C)	12th Warmest	Warmest since: 2001	2018
	Ties: 1997, 2004, 2015
Feb 2001–Jan 2003 24-Month	45.8°F (7.7°C)	43.4°F (6.3°C)	2.4°F (1.4°C)	120th Coolest	Coolest since: 2001	1913, 1914
Feb 2001–Jan 2003 24-Month	45.8°F (7.7°C)	43.4°F (6.3°C)	2.4°F (1.4°C)	7th Warmest	Warmest since: 2002	2018, 2019
Feb 2000–Jan 2003 36-Month	45.8°F (7.7°C)	43.4°F (6.3°C)	2.4°F (1.4°C)	121st Coolest	Coolest since: 2002	1914
	45.8°F (7.7°C)	43.4°F (6.3°C)	2.4°F (1.4°C)	5th Warmest	Warmest to Date	2018
	Ties: 2015
Feb 1999–Jan 2003 48-Month	45.7°F (7.6°C)	43.4°F (6.3°C)	2.3°F (1.3°C)	116th Coolest	Coolest since: 2002	1899
	45.7°F (7.6°C)	43.4°F (6.3°C)	2.3°F (1.3°C)	9th Warmest	Warmest to Date	2018
	Ties: 2005
Feb 1998–Jan 2003 60-Month	45.5°F (7.5°C)	43.3°F (6.3°C)	2.2°F (1.2°C)	113th Coolest	Coolest since: 2002	1900, 1917
Feb 1998–Jan 2003 60-Month	45.5°F (7.5°C)	43.3°F (6.3°C)	2.2°F (1.2°C)	11th Warmest	Warmest to Date	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings