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 1941

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1941 1-Month	21.4°F (-5.9°C)	21.1°F (-6.1°C)	0.3°F (0.2°C)	62nd Coolest	Coolest since: 1937	1937
January 1941 1-Month	21.4°F (-5.9°C)	21.1°F (-6.1°C)	0.3°F (0.2°C)	67th Warmest	Warmest since: 1940	2003
Dec 1940–Jan 1941 2-Month	23.2°F (-4.9°C)	22.0°F (-5.6°C)	1.2°F (0.7°C)	78th Coolest	Coolest since: 1939	1979
	23.2°F (-4.9°C)	22.0°F (-5.6°C)	1.2°F (0.7°C)	50th Warmest	Warmest since: 1940	1981
	Ties: 1901, 1939, 1969, 2017
Nov 1940–Jan 1941 3-Month	25.0°F (-3.9°C)	25.3°F (-3.7°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1939	1932
	25.0°F (-3.9°C)	25.3°F (-3.7°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1940	2018
	Ties: 1908, 1958, 1980, 1985
Oct 1940–Jan 1941 4-Month	30.5°F (-0.8°C)	30.4°F (-0.9°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1939	1917
	30.5°F (-0.8°C)	30.4°F (-0.9°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1940	2018
	Ties: 1975, 1977, 1983
Sep 1940–Jan 1941 5-Month	36.0°F (2.2°C)	35.6°F (2.0°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1939	1913
	36.0°F (2.2°C)	35.6°F (2.0°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1940	2018
	Ties: 1905, 2008
Aug 1940–Jan 1941 6-Month	41.0°F (5.0°C)	40.4°F (4.7°C)	0.6°F (0.3°C)	73rd Coolest	Coolest since: 1939	1913
	41.0°F (5.0°C)	40.4°F (4.7°C)	0.6°F (0.3°C)	55th Warmest	Warmest since: 1940	2018
	Ties: 1927, 2001
Jul 1940–Jan 1941 7-Month	45.0°F (7.2°C)	44.3°F (6.8°C)	0.7°F (0.4°C)	78th Coolest	Coolest since: 1939	1913
	45.0°F (7.2°C)	44.3°F (6.8°C)	0.7°F (0.4°C)	50th Warmest	Warmest since: 1940	2018
	Ties: 1970, 1980
Jun 1940–Jan 1941 8-Month	47.3°F (8.5°C)	46.2°F (7.9°C)	1.1°F (0.6°C)	85th Coolest	Coolest since: 1939	1913
	47.3°F (8.5°C)	46.2°F (7.9°C)	1.1°F (0.6°C)	43rd Warmest	Warmest since: 1940	2022
	Ties: 1998
May 1940–Jan 1941 9-Month	48.2°F (9.0°C)	46.8°F (8.2°C)	1.4°F (0.8°C)	95th Coolest	Coolest since: 1939	1913
	48.2°F (9.0°C)	46.8°F (8.2°C)	1.4°F (0.8°C)	33rd Warmest	Warmest since: 1940	2022
	Ties: 2011
Apr 1940–Jan 1941 10-Month	47.7°F (8.7°C)	46.3°F (7.9°C)	1.4°F (0.8°C)	98th Coolest	Coolest since: 1939	1913
	47.7°F (8.7°C)	46.3°F (7.9°C)	1.4°F (0.8°C)	30th Warmest	Warmest since: 1940	2022
	Ties: 1989, 2007, 2014
Mar 1940–Jan 1941 11-Month	46.7°F (8.2°C)	45.1°F (7.3°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1940	1913
	46.7°F (8.2°C)	45.1°F (7.3°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 1940	2018
	Ties: 1934, 1940, 1981, 1997, 2006
Feb 1940–Jan 1941 12-Month	45.0°F (7.2°C)	43.4°F (6.3°C)	1.6°F (0.9°C)	100th Coolest	Coolest since: 1940	1913
	45.0°F (7.2°C)	43.4°F (6.3°C)	1.6°F (0.9°C)	28th Warmest	Warmest since: 1935	2018
	Ties: 1955, 1999
Aug 1939–Jan 1941 18-Month	44.2°F (6.8°C)	42.4°F (5.8°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 1940	1913
Aug 1939–Jan 1941 18-Month	44.2°F (6.8°C)	42.4°F (5.8°C)	1.8°F (1.0°C)	19th Warmest	Warmest since: 1935	2018
Feb 1939–Jan 1941 24-Month	44.6°F (7.0°C)	43.5°F (6.4°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1940	1913, 1914
	44.6°F (7.0°C)	43.5°F (6.4°C)	1.1°F (0.6°C)	30th Warmest	Warmest since: 1936	2018, 2019
	Ties: 1955, 1960, 1978
Feb 1938–Jan 1941 36-Month	44.2°F (6.8°C)	43.4°F (6.3°C)	0.8°F (0.5°C)	86th Coolest	Coolest since: 1940	1914
	44.2°F (6.8°C)	43.4°F (6.3°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1937	2018
	Ties: 1988
Feb 1937–Jan 1941 48-Month	44.2°F (6.8°C)	43.4°F (6.3°C)	0.8°F (0.5°C)	85th Coolest	Coolest since: 1940	1899
Feb 1937–Jan 1941 48-Month	44.2°F (6.8°C)	43.4°F (6.3°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1938	2018
Feb 1936–Jan 1941 60-Month	44.0°F (6.7°C)	43.3°F (6.3°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1940	1900, 1917
	44.0°F (6.7°C)	43.3°F (6.3°C)	0.7°F (0.4°C)	40th Warmest	Warmest since: 1939	2019
	Ties: 1937, 1942, 1944, 1963, 1964

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