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 1945

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1945 1-Month	25.4°F (-3.7°C)	21.1°F (-6.1°C)	4.3°F (2.4°C)	105th Coolest	Coolest since: 1944	1937
	25.4°F (-3.7°C)	21.1°F (-6.1°C)	4.3°F (2.4°C)	24th Warmest	Warmest since: 1934	2003
	Ties: 1909
Dec 1944–Jan 1945 2-Month	24.8°F (-4.0°C)	22.0°F (-5.6°C)	2.8°F (1.6°C)	98th Coolest	Coolest since: 1944	1979
	24.8°F (-4.0°C)	22.0°F (-5.6°C)	2.8°F (1.6°C)	30th Warmest	Warmest since: 1943	1981
	Ties: 1954, 1998, 2006
Nov 1944–Jan 1945 3-Month	27.2°F (-2.7°C)	25.3°F (-3.7°C)	1.9°F (1.0°C)	90th Coolest	Coolest since: 1944	1932
	27.2°F (-2.7°C)	25.3°F (-3.7°C)	1.9°F (1.0°C)	38th Warmest	Warmest since: 1943	2018
	Ties: 1902
Oct 1944–Jan 1945 4-Month	32.5°F (0.3°C)	30.4°F (-0.9°C)	2.1°F (1.2°C)	102nd Coolest	Coolest since: 1944	1917
	32.5°F (0.3°C)	30.4°F (-0.9°C)	2.1°F (1.2°C)	26th Warmest	Warmest since: 1943	2018
	Ties: 1966, 2011
Sep 1944–Jan 1945 5-Month	37.5°F (3.1°C)	35.6°F (2.0°C)	1.9°F (1.1°C)	98th Coolest	Coolest since: 1944	1913
	37.5°F (3.1°C)	35.6°F (2.0°C)	1.9°F (1.1°C)	30th Warmest	Warmest since: 1943	2018
	Ties: 1918, 1943
Aug 1944–Jan 1945 6-Month	42.0°F (5.6°C)	40.4°F (4.7°C)	1.6°F (0.9°C)	95th Coolest	Coolest since: 1944	1913
	42.0°F (5.6°C)	40.4°F (4.7°C)	1.6°F (0.9°C)	33rd Warmest	Warmest since: 1943	2018
	Ties: 1923
Jul 1944–Jan 1945 7-Month	45.4°F (7.4°C)	44.2°F (6.8°C)	1.2°F (0.6°C)	88th Coolest	Coolest since: 1944	1913
	45.4°F (7.4°C)	44.2°F (6.8°C)	1.2°F (0.6°C)	40th Warmest	Warmest since: 1943	2018
	Ties: 1918, 1923, 1997
Jun 1944–Jan 1945 8-Month	46.9°F (8.3°C)	46.2°F (7.9°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 1944	1913
	46.9°F (8.3°C)	46.2°F (7.9°C)	0.7°F (0.4°C)	51st Warmest	Warmest since: 1943	2022
	Ties: 1955, 1980, 1986
May 1944–Jan 1945 9-Month	47.4°F (8.6°C)	46.8°F (8.2°C)	0.6°F (0.4°C)	76th Coolest	Coolest since: 1944	1913
May 1944–Jan 1945 9-Month	47.4°F (8.6°C)	46.8°F (8.2°C)	0.6°F (0.4°C)	52nd Warmest	Warmest since: 1943	2022
Apr 1944–Jan 1945 10-Month	46.5°F (8.1°C)	46.3°F (7.9°C)	0.2°F (0.2°C)	62nd Coolest	Coolest since: 1942	1913
	46.5°F (8.1°C)	46.3°F (7.9°C)	0.2°F (0.2°C)	66th Warmest	Warmest since: 1944	2022
	Ties: 1987
Mar 1944–Jan 1945 11-Month	44.9°F (7.2°C)	45.0°F (7.2°C)	-0.1°F (0.0°C)	49th Coolest	Coolest since: 1942	1913
	44.9°F (7.2°C)	45.0°F (7.2°C)	-0.1°F (0.0°C)	79th Warmest	Warmest since: 1944	2018
	Ties: 1936, 1939, 1977, 1983, 1994
Feb 1944–Jan 1945 12-Month	43.1°F (6.2°C)	43.4°F (6.3°C)	-0.3°F (-0.1°C)	42nd Coolest	Coolest since: 1933	1913
	43.1°F (6.2°C)	43.4°F (6.3°C)	-0.3°F (-0.1°C)	86th Warmest	Warmest since: 1944	2018
	Ties: 1958, 1968
Aug 1943–Jan 1945 18-Month	42.5°F (5.8°C)	42.4°F (5.8°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1943	1913
	42.5°F (5.8°C)	42.4°F (5.8°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1944	2018
	Ties: 1901, 1922, 1923, 1928, 1942, 1968, 1986, 1992
Feb 1943–Jan 1945 24-Month	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	65th Coolest	Coolest since: 1943	1913, 1914
	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	62nd Warmest	Warmest since: 1944	2018, 2019
	Ties: 1954
Feb 1942–Jan 1945 36-Month	43.6°F (6.4°C)	43.4°F (6.3°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1944	1914
	43.6°F (6.4°C)	43.4°F (6.3°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1944	2018
	Ties: 1944, 1948, 1962, 1963
Feb 1941–Jan 1945 48-Month	43.5°F (6.4°C)	43.4°F (6.3°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1934	1899
	43.5°F (6.4°C)	43.4°F (6.3°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1944	2018
	Ties: 1966, 1967, 1979, 1987
Feb 1940–Jan 1945 60-Month	43.8°F (6.6°C)	43.4°F (6.3°C)	0.4°F (0.3°C)	74th Coolest	Coolest since: 1943	1900, 1917
	43.8°F (6.6°C)	43.4°F (6.3°C)	0.4°F (0.3°C)	50th Warmest	Warmest since: 1944	2019
	Ties: 1943, 1961, 1962

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published November 2022, retrieved on December 2, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings