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 1980

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1980 1-Month	32.9°F (0.5°C)	23.0°F (-5.0°C)	9.9°F (5.5°C)	128th Coolest	Coolest since: 1979	1909
December 1980 1-Month	32.9°F (0.5°C)	23.0°F (-5.0°C)	9.9°F (5.5°C)	1st Warmest	Warmest to Date	1980
Nov–Dec 1980 2-Month	33.4°F (0.8°C)	27.4°F (-2.6°C)	6.0°F (3.4°C)	126th Coolest	Coolest since: 1979	1895
Nov–Dec 1980 2-Month	33.4°F (0.8°C)	27.4°F (-2.6°C)	6.0°F (3.4°C)	3rd Warmest	Warmest to Date	2017
Oct–Dec 1980 3-Month	37.3°F (2.9°C)	33.5°F (0.8°C)	3.8°F (2.1°C)	122nd Coolest	Coolest since: 1979	1898
	37.3°F (2.9°C)	33.5°F (0.8°C)	3.8°F (2.1°C)	7th Warmest	Warmest since: 1950	1950, 2017
	Ties: 2016
Sep–Dec 1980 4-Month	42.2°F (5.7°C)	39.2°F (4.0°C)	3.0°F (1.7°C)	122nd Coolest	Coolest since: 1979	1898, 1912
	42.2°F (5.7°C)	39.2°F (4.0°C)	3.0°F (1.7°C)	7th Warmest	Warmest since: 1963	2021
	Ties: 1963, 1995, 2010
Aug–Dec 1980 5-Month	46.7°F (8.2°C)	44.4°F (6.9°C)	2.3°F (1.3°C)	117th Coolest	Coolest since: 1979	1912
	46.7°F (8.2°C)	44.4°F (6.9°C)	2.3°F (1.3°C)	12th Warmest	Warmest since: 1977	2021
	Ties: 1939, 2003, 2010, 2014
Jul–Dec 1980 6-Month	50.3°F (10.2°C)	48.1°F (8.9°C)	2.2°F (1.3°C)	116th Coolest	Coolest since: 1979	1912
	50.3°F (10.2°C)	48.1°F (8.9°C)	2.2°F (1.3°C)	13th Warmest	Warmest since: 1977	2021
	Ties: 1977, 1995, 2010
Jun–Dec 1980 7-Month	51.9°F (11.1°C)	49.9°F (9.9°C)	2.0°F (1.2°C)	112th Coolest	Coolest since: 1979	1912
	51.9°F (11.1°C)	49.9°F (9.9°C)	2.0°F (1.2°C)	17th Warmest	Warmest since: 1977	2021
	Ties: 1958
May–Dec 1980 8-Month	51.6°F (10.9°C)	50.0°F (10.0°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1979	1912
	51.6°F (10.9°C)	50.0°F (10.0°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1977	2021
	Ties: 1937, 1996, 2010
Apr–Dec 1980 9-Month	50.4°F (10.2°C)	49.1°F (9.5°C)	1.3°F (0.7°C)	97th Coolest	Coolest since: 1979	1912
	50.4°F (10.2°C)	49.1°F (9.5°C)	1.3°F (0.7°C)	32nd Warmest	Warmest since: 1977	2021
	Ties: 1933, 1943, 2005
Mar–Dec 1980 10-Month	48.4°F (9.1°C)	47.4°F (8.6°C)	1.0°F (0.5°C)	86th Coolest	Coolest since: 1979	1912
	48.4°F (9.1°C)	47.4°F (8.6°C)	1.0°F (0.5°C)	43rd Warmest	Warmest since: 1977	2012
	Ties: 1937, 1986
Feb–Dec 1980 11-Month	46.6°F (8.1°C)	45.5°F (7.5°C)	1.1°F (0.6°C)	92nd Coolest	Coolest since: 1979	1912
	46.6°F (8.1°C)	45.5°F (7.5°C)	1.1°F (0.6°C)	37th Warmest	Warmest since: 1977	2017
	Ties: 1921, 1998, 2010
Jan–Dec 1980 12-Month	44.8°F (7.1°C)	43.5°F (6.4°C)	1.3°F (0.7°C)	98th Coolest	Coolest since: 1979	1895, 1912
	44.8°F (7.1°C)	43.5°F (6.4°C)	1.3°F (0.7°C)	31st Warmest	Warmest since: 1977	2012
	Ties: 1963, 1990
Jul 1979–Dec 1980 18-Month	46.0°F (7.8°C)	45.0°F (7.2°C)	1.0°F (0.6°C)	95th Coolest	Coolest since: 1979	1912
	46.0°F (7.8°C)	45.0°F (7.2°C)	1.0°F (0.6°C)	33rd Warmest	Warmest since: 1978	1934
	Ties: 1978, 1986, 1992, 1994, 1998, 2008, 2011, 2019
Jan 1979–Dec 1980 24-Month	43.6°F (6.4°C)	43.5°F (6.4°C)	0.1°F (0.0°C)	62nd Coolest	Coolest since: 1979	1913
	43.6°F (6.4°C)	43.5°F (6.4°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 1978	2018
	Ties: 1922, 1927, 1967
Jan 1978–Dec 1980 36-Month	43.7°F (6.5°C)	43.5°F (6.4°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1977	1899, 1913
	43.7°F (6.5°C)	43.5°F (6.4°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1979	2017
	Ties: 1902, 1937, 1938, 1943, 1947, 1962, 1993
Jan 1977–Dec 1980 48-Month	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1979	1898
	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1961	2018
	Ties: 1961, 1982
Jan 1976–Dec 1980 60-Month	44.0°F (6.7°C)	43.4°F (6.3°C)	0.6°F (0.4°C)	85th Coolest	Coolest since: 1979	1899
	44.0°F (6.7°C)	43.4°F (6.3°C)	0.6°F (0.4°C)	40th Warmest	Warmest since: 1963	2018
	Ties: 1940, 1943, 1963, 1982, 1983, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings