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 1955

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1955 1-Month	18.0°F (-7.8°C)	21.1°F (-6.1°C)	-3.1°F (-1.7°C)	23rd Coolest	Coolest since: 1949	1937
	18.0°F (-7.8°C)	21.1°F (-6.1°C)	-3.1°F (-1.7°C)	106th Warmest	Warmest since: 1954	2003
	Ties: 1929, 2013
Dec 1954–Jan 1955 2-Month	19.5°F (-6.9°C)	22.0°F (-5.6°C)	-2.5°F (-1.3°C)	27th Coolest	Coolest since: 1952	1979
Dec 1954–Jan 1955 2-Month	19.5°F (-6.9°C)	22.0°F (-5.6°C)	-2.5°F (-1.3°C)	101st Warmest	Warmest since: 1954	1981
Nov 1954–Jan 1955 3-Month	25.2°F (-3.8°C)	25.4°F (-3.7°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1952	1932
	25.2°F (-3.8°C)	25.4°F (-3.7°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1954	2018
	Ties: 1926, 1936, 2008
Oct 1954–Jan 1955 4-Month	30.7°F (-0.7°C)	30.4°F (-0.9°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1952	1917
	30.7°F (-0.7°C)	30.4°F (-0.9°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1954	2018
	Ties: 1908, 1969, 2014
Sep 1954–Jan 1955 5-Month	36.2°F (2.3°C)	35.6°F (2.0°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1952	1913
	36.2°F (2.3°C)	35.6°F (2.0°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1954	2018
	Ties: 1927, 1950, 1965, 1966, 1997
Aug 1954–Jan 1955 6-Month	40.8°F (4.9°C)	40.4°F (4.7°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1952	1913
	40.8°F (4.9°C)	40.4°F (4.7°C)	0.4°F (0.2°C)	60th Warmest	Warmest since: 1954	2018
	Ties: 1965, 1986
Jul 1954–Jan 1955 7-Month	44.9°F (7.2°C)	44.2°F (6.8°C)	0.7°F (0.4°C)	75th Coolest	Coolest since: 1952	1913
	44.9°F (7.2°C)	44.2°F (6.8°C)	0.7°F (0.4°C)	53rd Warmest	Warmest since: 1954	2018
	Ties: 1944
Jun 1954–Jan 1955 8-Month	46.9°F (8.3°C)	46.3°F (7.9°C)	0.6°F (0.4°C)	77th Coolest	Coolest since: 1952	1913
	46.9°F (8.3°C)	46.3°F (7.9°C)	0.6°F (0.4°C)	51st Warmest	Warmest since: 1954	2022
	Ties: 1945, 1980, 1986
May 1954–Jan 1955 9-Month	47.7°F (8.7°C)	46.8°F (8.2°C)	0.9°F (0.5°C)	81st Coolest	Coolest since: 1952	1913
May 1954–Jan 1955 9-Month	47.7°F (8.7°C)	46.8°F (8.2°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 1954	2022
Apr 1954–Jan 1955 10-Month	47.5°F (8.6°C)	46.3°F (7.9°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 1954	1913
Apr 1954–Jan 1955 10-Month	47.5°F (8.6°C)	46.3°F (7.9°C)	1.2°F (0.7°C)	37th Warmest	Warmest since: 1941	2022
Mar 1954–Jan 1955 11-Month	46.0°F (7.8°C)	45.0°F (7.2°C)	1.0°F (0.6°C)	87th Coolest	Coolest since: 1954	1913
	46.0°F (7.8°C)	45.0°F (7.2°C)	1.0°F (0.6°C)	41st Warmest	Warmest since: 1941	2018
	Ties: 1967, 1986, 1991, 1996, 2020
Feb 1954–Jan 1955 12-Month	45.0°F (7.2°C)	43.5°F (6.4°C)	1.5°F (0.8°C)	100th Coolest	Coolest since: 1954	1913
	45.0°F (7.2°C)	43.5°F (6.4°C)	1.5°F (0.8°C)	28th Warmest	Warmest since: 1941	2018
	Ties: 1941, 1999
Aug 1953–Jan 1955 18-Month	44.1°F (6.7°C)	42.4°F (5.8°C)	1.7°F (0.9°C)	107th Coolest	Coolest since: 1954	1913
Aug 1953–Jan 1955 18-Month	44.1°F (6.7°C)	42.4°F (5.8°C)	1.7°F (0.9°C)	20th Warmest	Warmest since: 1941	2018
Feb 1953–Jan 1955 24-Month	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 1954	1913, 1914
	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 1941	2018, 2019
	Ties: 1941, 1960, 1978
Feb 1952–Jan 1955 36-Month	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1954	1914
	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	42nd Warmest	Warmest since: 1942	2018
	Ties: 1942, 1956, 1960
Feb 1951–Jan 1955 48-Month	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1954	1899
	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1944	2018
	Ties: 1978
Feb 1950–Jan 1955 60-Month	43.7°F (6.5°C)	43.3°F (6.3°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1954	1900, 1917
	43.7°F (6.5°C)	43.3°F (6.3°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1945	2019
	Ties: 1935, 1940, 1957, 1958, 1960, 1965

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings