Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. 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

Average Temperature Rankings, September 1920

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1920 1-Month	66.1°F (18.9°C)	68.5°F (20.3°C)	-2.4°F (-1.4°C)	15th Coolest	Coolest since: 1912	1986
September 1920 1-Month	66.1°F (18.9°C)	68.5°F (20.3°C)	-2.4°F (-1.4°C)	114th Warmest	Warmest since: 1919	2020
Aug–Sep 1920 2-Month	70.2°F (21.2°C)	71.1°F (21.7°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1918	1900
	70.2°F (21.2°C)	71.1°F (21.7°C)	-0.9°F (-0.5°C)	103rd Warmest	Warmest since: 1919	2020
	Ties: 1908, 1909, 1918, 1978
Jul–Sep 1920 3-Month	71.1°F (21.7°C)	72.3°F (22.4°C)	-1.2°F (-0.7°C)	17th Coolest	Coolest since: 1918	1900
	71.1°F (21.7°C)	72.3°F (22.4°C)	-1.2°F (-0.7°C)	112th Warmest	Warmest since: 1919	2022
	Ties: 1899, 1902, 1914, 1918
Jun–Sep 1920 4-Month	70.2°F (21.2°C)	71.3°F (21.8°C)	-1.1°F (-0.6°C)	19th Coolest	Coolest since: 1916	1907
	70.2°F (21.2°C)	71.3°F (21.8°C)	-1.1°F (-0.6°C)	110th Warmest	Warmest since: 1919	2021
	Ties: 1909
May–Sep 1920 5-Month	68.2°F (20.1°C)	69.2°F (20.7°C)	-1.0°F (-0.6°C)	23rd Coolest	Coolest since: 1916	1907
	68.2°F (20.1°C)	69.2°F (20.7°C)	-1.0°F (-0.6°C)	106th Warmest	Warmest since: 1919	2021
	Ties: 1903
Apr–Sep 1920 6-Month	65.5°F (18.6°C)	66.7°F (19.3°C)	-1.2°F (-0.7°C)	16th Coolest	Coolest since: 1916	1912
	65.5°F (18.6°C)	66.7°F (19.3°C)	-1.2°F (-0.7°C)	113th Warmest	Warmest since: 1919	2021
	Ties: 1899, 1902, 1908, 1915, 1927, 1975
Mar–Sep 1920 7-Month	62.7°F (17.1°C)	64.1°F (17.8°C)	-1.4°F (-0.7°C)	7th Coolest	Coolest since: 1912	1912
	62.7°F (17.1°C)	64.1°F (17.8°C)	-1.4°F (-0.7°C)	122nd Warmest	Warmest since: 1919	2021
	Ties: 1902, 1963, 1964, 1975
Feb–Sep 1920 8-Month	60.5°F (15.8°C)	61.7°F (16.5°C)	-1.2°F (-0.7°C)	14th Coolest	Coolest since: 1917	1911
	60.5°F (15.8°C)	61.7°F (16.5°C)	-1.2°F (-0.7°C)	115th Warmest	Warmest since: 1919	2015
	Ties: 1907, 1908
Jan–Sep 1920 9-Month	58.7°F (14.8°C)	59.6°F (15.3°C)	-0.9°F (-0.5°C)	20th Coolest	Coolest since: 1917	1903, 1911, 1917
	58.7°F (14.8°C)	59.6°F (15.3°C)	-0.9°F (-0.5°C)	109th Warmest	Warmest since: 1919	2015
	Ties: 1895, 1908, 1909, 1916, 1952, 1982
Dec 1919–Sep 1920 10-Month	57.0°F (13.9°C)	57.9°F (14.4°C)	-0.9°F (-0.5°C)	19th Coolest	Coolest since: 1917	1917, 1933
	57.0°F (13.9°C)	57.9°F (14.4°C)	-0.9°F (-0.5°C)	109th Warmest	Warmest since: 1919	2015
	Ties: 1922, 1923
Nov 1919–Sep 1920 11-Month	56.2°F (13.4°C)	57.2°F (14.0°C)	-1.0°F (-0.6°C)	17th Coolest	Coolest since: 1917	1917
	56.2°F (13.4°C)	57.2°F (14.0°C)	-1.0°F (-0.6°C)	111th Warmest	Warmest since: 1919	2015
	Ties: 1932, 1952
Oct 1919–Sep 1920 12-Month	56.0°F (13.3°C)	57.4°F (14.1°C)	-1.4°F (-0.8°C)	7th Coolest	Coolest since: 1917	1917
	56.0°F (13.3°C)	57.4°F (14.1°C)	-1.4°F (-0.8°C)	121st Warmest	Warmest since: 1919	2015
	Ties: 1933, 1955
Apr 1919–Sep 1920 18-Month	59.7°F (15.4°C)	60.5°F (15.8°C)	-0.8°F (-0.4°C)	17th Coolest	Coolest since: 1917	1917
	59.7°F (15.4°C)	60.5°F (15.8°C)	-0.8°F (-0.4°C)	111th Warmest	Warmest since: 1919	2015
	Ties: 1901, 1915, 1922, 1923, 1976
Oct 1918–Sep 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, 1917, 1949
	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: 1923, 1950
Oct 1917–Sep 1920 36-Month	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest since: 1919	1913
	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	105th Warmest	Warmest since: 1916	2016
	Ties: 1924, 1925, 1948, 1964
Oct 1916–Sep 1920 48-Month	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	3rd Coolest	Coolest since: 1914	1913
	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	122nd Warmest	Warmest since: 1919	2017, 2018
	Ties: 1914, 1923
Oct 1915–Sep 1920 60-Month	56.4°F (13.6°C)	57.3°F (14.1°C)	-0.9°F (-0.5°C)	5th Coolest	Coolest since: 1917	1913
	56.4°F (13.6°C)	57.3°F (14.1°C)	-0.9°F (-0.5°C)	119th Warmest	Warmest since: 1919	2018
	Ties: 1914, 1915, 1916, 1923

Citing This Page

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