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.

Great Basin

Average Temperature Rankings, December 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1939 1-Month	36.2°F (2.3°C)	29.7°F (-1.3°C)	6.5°F (3.6°C)	125th Coolest	Coolest since: 1938	1909, 1932
	36.2°F (2.3°C)	29.7°F (-1.3°C)	6.5°F (3.6°C)	4th Warmest	Warmest since: 1929	1917
	Ties: 1958
Nov–Dec 1939 2-Month	38.5°F (3.6°C)	33.6°F (0.9°C)	4.9°F (2.7°C)	125th Coolest	Coolest since: 1938	1931
Nov–Dec 1939 2-Month	38.5°F (3.6°C)	33.6°F (0.9°C)	4.9°F (2.7°C)	4th Warmest	Warmest since: 1917	1917
Oct–Dec 1939 3-Month	42.0°F (5.6°C)	39.0°F (3.9°C)	3.0°F (1.7°C)	118th Coolest	Coolest since: 1938	1919
	42.0°F (5.6°C)	39.0°F (3.9°C)	3.0°F (1.7°C)	11th Warmest	Warmest since: 1937	1950
	Ties: 2017
Sep–Dec 1939 4-Month	46.8°F (8.2°C)	44.5°F (6.9°C)	2.3°F (1.3°C)	114th Coolest	Coolest since: 1938	1971
	46.8°F (8.2°C)	44.5°F (6.9°C)	2.3°F (1.3°C)	15th Warmest	Warmest since: 1937	2014
	Ties: 1963, 1981, 2001
Aug–Dec 1939 5-Month	51.7°F (10.9°C)	49.4°F (9.7°C)	2.3°F (1.2°C)	115th Coolest	Coolest since: 1938	1916
	51.7°F (10.9°C)	49.4°F (9.7°C)	2.3°F (1.2°C)	14th Warmest	Warmest since: 1937	2020
	Ties: 1981, 2003
Jul–Dec 1939 6-Month	55.2°F (12.9°C)	53.1°F (11.7°C)	2.1°F (1.2°C)	115th Coolest	Coolest since: 1938	1916
	55.2°F (12.9°C)	53.1°F (11.7°C)	2.1°F (1.2°C)	14th Warmest	Warmest since: 1937	2020
	Ties: 1958, 1981, 2008
Jun–Dec 1939 7-Month	56.3°F (13.5°C)	54.6°F (12.6°C)	1.7°F (0.9°C)	108th Coolest	Coolest since: 1938	1916
	56.3°F (13.5°C)	54.6°F (12.6°C)	1.7°F (0.9°C)	21st Warmest	Warmest since: 1937	2021
	Ties: 1950, 1988
May–Dec 1939 8-Month	56.4°F (13.6°C)	54.6°F (12.6°C)	1.8°F (1.0°C)	113th Coolest	Coolest since: 1938	1916
	56.4°F (13.6°C)	54.6°F (12.6°C)	1.8°F (1.0°C)	16th Warmest	Warmest since: 1937	2021
	Ties: 1940, 2015
Apr–Dec 1939 9-Month	55.6°F (13.1°C)	53.6°F (12.0°C)	2.0°F (1.1°C)	116th Coolest	Coolest since: 1938	1912
Apr–Dec 1939 9-Month	55.6°F (13.1°C)	53.6°F (12.0°C)	2.0°F (1.1°C)	13th Warmest	Warmest since: 1934	2021
Mar–Dec 1939 10-Month	54.0°F (12.2°C)	52.1°F (11.2°C)	1.9°F (1.0°C)	114th Coolest	Coolest since: 1938	1912
	54.0°F (12.2°C)	52.1°F (11.2°C)	1.9°F (1.0°C)	15th Warmest	Warmest since: 1934	1934, 2021
	Ties: 1940, 1981
Feb–Dec 1939 11-Month	51.2°F (10.7°C)	50.2°F (10.1°C)	1.0°F (0.6°C)	91st Coolest	Coolest since: 1938	1911, 1912
	51.2°F (10.7°C)	50.2°F (10.1°C)	1.0°F (0.6°C)	38th Warmest	Warmest since: 1937	1934
	Ties: 1936, 1937, 1943, 1954
Jan–Dec 1939 12-Month	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1938	1944
	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1936	1934
	Ties: 1943, 1977, 1987, 1997
Jul 1938–Dec 1939 18-Month	50.6°F (10.3°C)	50.0°F (10.0°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1937	1912, 1913
	50.6°F (10.3°C)	50.0°F (10.0°C)	0.6°F (0.3°C)	47th Warmest	Warmest since: 1938	1934
	Ties: 1935, 1936, 1961, 1977
Jan 1938–Dec 1939 24-Month	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	83rd Coolest	Coolest since: 1938	1912, 1913
	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1936	2015
	Ties: 1921, 1936, 1977, 1978, 1982, 1986, 1991, 1993, 1998
Jan 1937–Dec 1939 36-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1933	1913
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1938	2016
	Ties: 1929, 1943, 1955, 1969, 1974
Jan 1936–Dec 1939 48-Month	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1938	1914
	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1937	2017
	Ties: 1935, 1963
Jan 1935–Dec 1939 60-Month	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1934	1899, 1915, 1916
	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1938	2018
	Ties: 1934, 1954

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings