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.

California River Basin

Average Temperature Rankings, July 1920

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1920 1-Month	73.0°F (22.8°C)	74.7°F (23.7°C)	-1.7°F (-0.9°C)	18th Coolest	Coolest since: 1916	1987
	73.0°F (22.8°C)	74.7°F (23.7°C)	-1.7°F (-0.9°C)	111th Warmest	Warmest since: 1919	2021
	Ties: 1907
Jun–Jul 1920 2-Month	70.2°F (21.2°C)	71.5°F (21.9°C)	-1.3°F (-0.7°C)	19th Coolest	Coolest since: 1916	1944
	70.2°F (21.2°C)	71.5°F (21.9°C)	-1.3°F (-0.7°C)	110th Warmest	Warmest since: 1919	2021
	Ties: 1909, 1914
May–Jul 1920 3-Month	66.9°F (19.4°C)	67.9°F (19.9°C)	-1.0°F (-0.5°C)	30th Coolest	Coolest since: 1916	1953, 1998
	66.9°F (19.4°C)	67.9°F (19.9°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 1919	2021
	Ties: 1903, 1983
Apr–Jul 1920 4-Month	63.2°F (17.3°C)	64.5°F (18.1°C)	-1.3°F (-0.8°C)	27th Coolest	Coolest since: 1916	1944
	63.2°F (17.3°C)	64.5°F (18.1°C)	-1.3°F (-0.8°C)	102nd Warmest	Warmest since: 1919	2021
	Ties: 1905, 1906, 1999, 2010
Mar–Jul 1920 5-Month	59.7°F (15.4°C)	61.3°F (16.3°C)	-1.6°F (-0.9°C)	15th Coolest	Coolest since: 1917	1912
	59.7°F (15.4°C)	61.3°F (16.3°C)	-1.6°F (-0.9°C)	114th Warmest	Warmest since: 1919	2013, 2014
	Ties: 1913, 1965
Feb–Jul 1920 6-Month	57.3°F (14.1°C)	58.6°F (14.8°C)	-1.3°F (-0.7°C)	18th Coolest	Coolest since: 1917	1948
	57.3°F (14.1°C)	58.6°F (14.8°C)	-1.3°F (-0.7°C)	111th Warmest	Warmest since: 1919	2015
	Ties: 1902, 1908
Jan–Jul 1920 7-Month	55.5°F (13.1°C)	56.4°F (13.6°C)	-0.9°F (-0.5°C)	30th Coolest	Coolest since: 1917	1955
	55.5°F (13.1°C)	56.4°F (13.6°C)	-0.9°F (-0.5°C)	99th Warmest	Warmest since: 1919	2014
	Ties: 1898, 1915, 1963
Dec 1919–Jul 1920 8-Month	53.8°F (12.1°C)	54.7°F (12.6°C)	-0.9°F (-0.5°C)	24th Coolest	Coolest since: 1917	1917
	53.8°F (12.1°C)	54.7°F (12.6°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest since: 1919	2015
	Ties: 1898, 1962, 1967, 1969, 1991
Nov 1919–Jul 1920 9-Month	53.0°F (11.7°C)	54.0°F (12.2°C)	-1.0°F (-0.5°C)	18th Coolest	Coolest since: 1917	1917
Nov 1919–Jul 1920 9-Month	53.0°F (11.7°C)	54.0°F (12.2°C)	-1.0°F (-0.5°C)	110th Warmest	Warmest since: 1919	2015
Oct 1919–Jul 1920 10-Month	53.2°F (11.8°C)	54.6°F (12.6°C)	-1.4°F (-0.8°C)	9th Coolest	Coolest since: 1917	1917
	53.2°F (11.8°C)	54.6°F (12.6°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1919	2015
	Ties: 1923, 1929, 1952
Sep 1919–Jul 1920 11-Month	54.4°F (12.4°C)	55.8°F (13.2°C)	-1.4°F (-0.8°C)	7th Coolest	Coolest since: 1917	1917
Sep 1919–Jul 1920 11-Month	54.4°F (12.4°C)	55.8°F (13.2°C)	-1.4°F (-0.8°C)	121st Warmest	Warmest since: 1919	2015
Aug 1919–Jul 1920 12-Month	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	8th Coolest	Coolest since: 1917	1917
Aug 1919–Jul 1920 12-Month	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	120th Warmest	Warmest since: 1919	2015
Feb 1919–Jul 1920 18-Month	56.7°F (13.7°C)	57.8°F (14.3°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1917	1913, 1949
	56.7°F (13.7°C)	57.8°F (14.3°C)	-1.1°F (-0.6°C)	120th Warmest	Warmest since: 1919	2015
	Ties: 1921
Aug 1918–Jul 1920 24-Month	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	9th Coolest	Coolest since: 1918	1913
	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	118th Warmest	Warmest since: 1919	2015
	Ties: 1909, 1922, 1923, 1950
Aug 1917–Jul 1920 36-Month	56.9°F (13.8°C)	57.3°F (14.1°C)	-0.4°F (-0.3°C)	25th Coolest	Coolest since: 1919	1913
	56.9°F (13.8°C)	57.3°F (14.1°C)	-0.4°F (-0.3°C)	101st Warmest	Warmest since: 1916	2015, 2016
	Ties: 1905, 1933, 1946, 1948, 1964, 1973
Aug 1916–Jul 1920 48-Month	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	2nd Coolest	Coolest since: 1915	1913
	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	123rd Warmest	Warmest since: 1919	2016
	Ties: 1912, 1914, 1915, 1923
Aug 1915–Jul 1920 60-Month	56.4°F (13.6°C)	57.3°F (14.1°C)	-0.9°F (-0.5°C)	6th Coolest	Coolest since: 1917	1913
	56.4°F (13.6°C)	57.3°F (14.1°C)	-0.9°F (-0.5°C)	118th Warmest	Warmest since: 1919	2017, 2018
	Ties: 1914, 1916, 1923

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings