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, December 2007

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2007 1-Month	20.7°F (-6.3°C)	23.0°F (-5.0°C)	-2.3°F (-1.3°C)	34th Coolest	Coolest since: 1992	1909
December 2007 1-Month	20.7°F (-6.3°C)	23.0°F (-5.0°C)	-2.3°F (-1.3°C)	95th Warmest	Warmest since: 2006	1980
Nov–Dec 2007 2-Month	29.0°F (-1.7°C)	27.5°F (-2.5°C)	1.5°F (0.8°C)	87th Coolest	Coolest since: 2003	1895
	29.0°F (-1.7°C)	27.5°F (-2.5°C)	1.5°F (0.8°C)	42nd Warmest	Warmest since: 2006	2017
	Ties: 1900, 1963, 1966, 1969, 1976
Oct–Dec 2007 3-Month	34.7°F (1.5°C)	33.4°F (0.8°C)	1.3°F (0.7°C)	90th Coolest	Coolest since: 2006	1898
	34.7°F (1.5°C)	33.4°F (0.8°C)	1.3°F (0.7°C)	39th Warmest	Warmest since: 2005	1950, 2017
	Ties: 1953
Sep–Dec 2007 4-Month	40.6°F (4.8°C)	39.2°F (4.0°C)	1.4°F (0.8°C)	95th Coolest	Coolest since: 2006	1898, 1912
	40.6°F (4.8°C)	39.2°F (4.0°C)	1.4°F (0.8°C)	34th Warmest	Warmest since: 2005	2021
	Ties: 1953, 2022
Aug–Dec 2007 5-Month	46.1°F (7.8°C)	44.3°F (6.8°C)	1.8°F (1.0°C)	102nd Coolest	Coolest since: 2006	1912
	46.1°F (7.8°C)	44.3°F (6.8°C)	1.8°F (1.0°C)	27th Warmest	Warmest since: 2003	2021
	Ties: 1934
Jul–Dec 2007 6-Month	50.4°F (10.2°C)	48.1°F (8.9°C)	2.3°F (1.3°C)	118th Coolest	Coolest since: 2006	1912
	50.4°F (10.2°C)	48.1°F (8.9°C)	2.3°F (1.3°C)	11th Warmest	Warmest since: 2003	2021
	Ties: 1998
Jun–Dec 2007 7-Month	52.3°F (11.3°C)	49.8°F (9.9°C)	2.5°F (1.4°C)	119th Coolest	Coolest since: 2006	1912
Jun–Dec 2007 7-Month	52.3°F (11.3°C)	49.8°F (9.9°C)	2.5°F (1.4°C)	10th Warmest	Warmest since: 2003	2021
May–Dec 2007 8-Month	52.4°F (11.3°C)	50.0°F (10.0°C)	2.4°F (1.3°C)	120th Coolest	Coolest since: 2006	1912
May–Dec 2007 8-Month	52.4°F (11.3°C)	50.0°F (10.0°C)	2.4°F (1.3°C)	9th Warmest	Warmest since: 2003	2021
Apr–Dec 2007 9-Month	51.6°F (10.9°C)	49.1°F (9.5°C)	2.5°F (1.4°C)	122nd Coolest	Coolest since: 2006	1912
	51.6°F (10.9°C)	49.1°F (9.5°C)	2.5°F (1.4°C)	7th Warmest	Warmest since: 2003	2021
	Ties: 2003, 2016
Mar–Dec 2007 10-Month	50.3°F (10.2°C)	47.4°F (8.6°C)	2.9°F (1.6°C)	123rd Coolest	Coolest since: 2006	1912
Mar–Dec 2007 10-Month	50.3°F (10.2°C)	47.4°F (8.6°C)	2.9°F (1.6°C)	6th Warmest	Warmest since: 1934	2012
Feb–Dec 2007 11-Month	48.4°F (9.1°C)	45.4°F (7.4°C)	3.0°F (1.7°C)	124th Coolest	Coolest since: 2006	1912
	48.4°F (9.1°C)	45.4°F (7.4°C)	3.0°F (1.7°C)	5th Warmest	Warmest since: 1934	2017
	Ties: 2015
Jan–Dec 2007 12-Month	46.0°F (7.8°C)	43.4°F (6.3°C)	2.6°F (1.5°C)	118th Coolest	Coolest since: 2006	1895, 1912
	46.0°F (7.8°C)	43.4°F (6.3°C)	2.6°F (1.5°C)	11th Warmest	Warmest since: 2003	2012
	Ties: 2001, 2014, 2020
Jul 2006–Dec 2007 18-Month	46.9°F (8.3°C)	45.0°F (7.2°C)	1.9°F (1.1°C)	112th Coolest	Coolest since: 2006	1912
	46.9°F (8.3°C)	45.0°F (7.2°C)	1.9°F (1.1°C)	16th Warmest	Warmest since: 2004	1934
	Ties: 1954, 2004, 2014
Jan 2006–Dec 2007 24-Month	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	118th Coolest	Coolest since: 2006	1913
	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	10th Warmest	Warmest since: 2004	2018
	Ties: 1981, 2003, 2004
Jan 2005–Dec 2007 36-Month	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	117th Coolest	Coolest since: 2006	1899, 1913
	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	10th Warmest	Warmest since: 2005	2017
	Ties: 2005, 2015, 2021
Jan 2004–Dec 2007 48-Month	45.4°F (7.4°C)	43.4°F (6.3°C)	2.0°F (1.1°C)	112th Coolest	Coolest since: 2005	1898
	45.4°F (7.4°C)	43.4°F (6.3°C)	2.0°F (1.1°C)	14th Warmest	Warmest since: 2006	2018
	Ties: 2005
Jan 2003–Dec 2007 60-Month	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	115th Coolest	Coolest since: 2006	1899
	45.6°F (7.6°C)	43.4°F (6.3°C)	2.2°F (1.3°C)	10th Warmest	Warmest since: 2004	2018
	Ties: 2015

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings