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 1915

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1915 1-Month	66.4°F (19.1°C)	68.5°F (20.3°C)	-2.1°F (-1.2°C)	17th Coolest	Coolest since: 1914	1986
	66.4°F (19.1°C)	68.5°F (20.3°C)	-2.1°F (-1.2°C)	112th Warmest	Warmest since: 1913	2020
	Ties: 1896, 1931
Aug–Sep 1915 2-Month	70.6°F (21.4°C)	71.1°F (21.7°C)	-0.5°F (-0.3°C)	40th Coolest	Coolest since: 1914	1900
	70.6°F (21.4°C)	71.1°F (21.7°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1913	2020
	Ties: 1923, 1940
Jul–Sep 1915 3-Month	71.5°F (21.9°C)	72.3°F (22.4°C)	-0.8°F (-0.5°C)	24th Coolest	Coolest since: 1914	1900
	71.5°F (21.9°C)	72.3°F (22.4°C)	-0.8°F (-0.5°C)	105th Warmest	Warmest since: 1913	2022
	Ties: 1901, 1923, 1924, 1926, 1985
Jun–Sep 1915 4-Month	70.5°F (21.4°C)	71.3°F (21.8°C)	-0.8°F (-0.4°C)	24th Coolest	Coolest since: 1914	1907
	70.5°F (21.4°C)	71.3°F (21.8°C)	-0.8°F (-0.4°C)	105th Warmest	Warmest since: 1913	2021
	Ties: 1901, 1930, 1943, 1964
May–Sep 1915 5-Month	67.8°F (19.9°C)	69.2°F (20.7°C)	-1.4°F (-0.8°C)	10th Coolest	Coolest since: 1912	1907
	67.8°F (19.9°C)	69.2°F (20.7°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1914	2021
	Ties: 1923, 1953
Apr–Sep 1915 6-Month	65.5°F (18.6°C)	66.6°F (19.2°C)	-1.1°F (-0.6°C)	16th Coolest	Coolest since: 1912	1912
	65.5°F (18.6°C)	66.6°F (19.2°C)	-1.1°F (-0.6°C)	113th Warmest	Warmest since: 1914	2021
	Ties: 1899, 1902, 1908, 1920, 1927, 1975
Mar–Sep 1915 7-Month	63.4°F (17.4°C)	64.1°F (17.8°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1913	1912
	63.4°F (17.4°C)	64.1°F (17.8°C)	-0.7°F (-0.4°C)	97th Warmest	Warmest since: 1914	2021
	Ties: 1896, 1900, 1913, 1942, 1971, 1983, 1999
Feb–Sep 1915 8-Month	61.0°F (16.1°C)	61.8°F (16.6°C)	-0.8°F (-0.5°C)	26th Coolest	Coolest since: 1913	1911
	61.0°F (16.1°C)	61.8°F (16.6°C)	-0.8°F (-0.5°C)	103rd Warmest	Warmest since: 1914	2015
	Ties: 1895, 1901, 1956, 1976, 1982
Jan–Sep 1915 9-Month	58.8°F (14.9°C)	59.6°F (15.3°C)	-0.8°F (-0.4°C)	27th Coolest	Coolest since: 1913	1903, 1911, 1917
	58.8°F (14.9°C)	59.6°F (15.3°C)	-0.8°F (-0.4°C)	102nd Warmest	Warmest since: 1914	2015
	Ties: 1899, 1942
Dec 1914–Sep 1915 10-Month	56.8°F (13.8°C)	57.9°F (14.4°C)	-1.1°F (-0.6°C)	14th Coolest	Coolest since: 1913	1917, 1933
	56.8°F (13.8°C)	57.9°F (14.4°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1914	2015
	Ties: 1929
Nov 1914–Sep 1915 11-Month	56.4°F (13.6°C)	57.2°F (14.0°C)	-0.8°F (-0.4°C)	24th Coolest	Coolest since: 1913	1917
	56.4°F (13.6°C)	57.2°F (14.0°C)	-0.8°F (-0.4°C)	104th Warmest	Warmest since: 1914	2015
	Ties: 1922, 1937, 1953
Oct 1914–Sep 1915 12-Month	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	23rd Coolest	Coolest since: 1913	1917
	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	105th Warmest	Warmest since: 1914	2015
	Ties: 1916, 1973
Apr 1914–Sep 1915 18-Month	59.7°F (15.4°C)	60.4°F (15.8°C)	-0.7°F (-0.4°C)	17th Coolest	Coolest since: 1913	1917
	59.7°F (15.4°C)	60.4°F (15.8°C)	-0.7°F (-0.4°C)	111th Warmest	Warmest since: 1914	2015
	Ties: 1901, 1920, 1922, 1923, 1976
Oct 1913–Sep 1915 24-Month	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	43rd Coolest	Coolest since: 1914	1913, 1917, 1949
	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	84th Warmest	Warmest since: 1906	2015
	Ties: 1897, 1929, 1974
Oct 1912–Sep 1915 36-Month	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	15th Coolest	Coolest since: 1914	1913
	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	111th Warmest	Warmest since: 1910	2016
	Ties: 1899, 1900, 1904, 1908, 1910
Oct 1911–Sep 1915 48-Month	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	6th Coolest	Coolest since: 1914	1913
	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	119th Warmest	Warmest since: 1911	2017, 2018
	Ties: 1917, 1922
Oct 1910–Sep 1915 60-Month	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	5th Coolest	Coolest since: 1914	1913
	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	119th Warmest	Warmest since: 1914	2018
	Ties: 1914, 1916, 1920, 1923

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings