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, October 1900

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1900 1-Month	57.6°F (14.2°C)	59.5°F (15.3°C)	-1.9°F (-1.1°C)	23rd Coolest	Coolest since: 1899	1916
October 1900 1-Month	57.6°F (14.2°C)	59.5°F (15.3°C)	-1.9°F (-1.1°C)	106th Warmest	Warmest since: 1898	2020
Sep–Oct 1900 2-Month	60.7°F (15.9°C)	64.0°F (17.8°C)	-3.3°F (-1.9°C)	7th Coolest	Coolest since: 1900	1916, 1920
Sep–Oct 1900 2-Month	60.7°F (15.9°C)	64.0°F (17.8°C)	-3.3°F (-1.9°C)	122nd Warmest	Warmest since: 1899	2020
Aug–Oct 1900 3-Month	63.8°F (17.7°C)	67.3°F (19.6°C)	-3.5°F (-1.9°C)	1st Coolest	Coolest since: 1900	1900
Aug–Oct 1900 3-Month	63.8°F (17.7°C)	67.3°F (19.6°C)	-3.5°F (-1.9°C)	128th Warmest	Warmest since: 1899	2020
Jul–Oct 1900 4-Month	66.4°F (19.1°C)	69.1°F (20.6°C)	-2.7°F (-1.5°C)	3rd Coolest	Coolest since: 1900	1912
Jul–Oct 1900 4-Month	66.4°F (19.1°C)	69.1°F (20.6°C)	-2.7°F (-1.5°C)	126th Warmest	Warmest since: 1899	2020
Jun–Oct 1900 5-Month	67.1°F (19.5°C)	69.0°F (20.6°C)	-1.9°F (-1.1°C)	8th Coolest	Coolest since: 1900	1912
Jun–Oct 1900 5-Month	67.1°F (19.5°C)	69.0°F (20.6°C)	-1.9°F (-1.1°C)	121st Warmest	Warmest since: 1899	2020
May–Oct 1900 6-Month	66.2°F (19.0°C)	67.6°F (19.8°C)	-1.4°F (-0.8°C)	11th Coolest	Coolest since: 1899	1916
	66.2°F (19.0°C)	67.6°F (19.8°C)	-1.4°F (-0.8°C)	118th Warmest	Warmest since: 1898	2020
	Ties: 1909
Apr–Oct 1900 7-Month	64.1°F (17.8°C)	65.7°F (18.7°C)	-1.6°F (-0.9°C)	8th Coolest	Coolest since: 1899	1912
	64.1°F (17.8°C)	65.7°F (18.7°C)	-1.6°F (-0.9°C)	121st Warmest	Warmest since: 1899	2020
	Ties: 1899, 1908
Mar–Oct 1900 8-Month	62.7°F (17.1°C)	63.6°F (17.6°C)	-0.9°F (-0.5°C)	24th Coolest	Coolest since: 1899	1912
	62.7°F (17.1°C)	63.6°F (17.6°C)	-0.9°F (-0.5°C)	105th Warmest	Warmest since: 1898	2014, 2015
	Ties: 1895, 1919
Feb–Oct 1900 9-Month	60.9°F (16.1°C)	61.5°F (16.4°C)	-0.6°F (-0.3°C)	33rd Coolest	Coolest since: 1899	1912
	60.9°F (16.1°C)	61.5°F (16.4°C)	-0.6°F (-0.3°C)	96th Warmest	Warmest since: 1898	2015
	Ties: 1895, 1915, 1929, 1946, 1976
Jan–Oct 1900 10-Month	59.4°F (15.2°C)	59.6°F (15.3°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1899	1911, 1912
	59.4°F (15.2°C)	59.6°F (15.3°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1896	2015
	Ties: 1918, 1945, 1969
Dec 1899–Oct 1900 11-Month	57.9°F (14.4°C)	58.1°F (14.5°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1899	1912
	57.9°F (14.4°C)	58.1°F (14.5°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1896	2015
	Ties: 1896, 1910, 1935, 1950, 1957, 1976, 1979
Nov 1899–Oct 1900 12-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	55th Coolest	Coolest since: 1899	1912
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	73rd Warmest	Warmest to Date	2015
	Ties: 1935, 1972, 1999
May 1899–Oct 1900 18-Month	60.1°F (15.6°C)	60.8°F (16.0°C)	-0.7°F (-0.4°C)	19th Coolest	Coolest since: 1899	1912
	60.1°F (15.6°C)	60.8°F (16.0°C)	-0.7°F (-0.4°C)	109th Warmest	Warmest since: 1898	2015
	Ties: 1906, 1915, 1923, 1944
Nov 1898–Oct 1900 24-Month	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	24th Coolest	Coolest since: 1899	1912, 1949
	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	103rd Warmest	Warmest since: 1897	2015
	Ties: 1910, 1924, 1945, 1948, 1953
Nov 1897–Oct 1900 36-Month	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	21st Coolest	Coolest since: 1899	1913
	56.8°F (13.8°C)	57.4°F (14.1°C)	-0.6°F (-0.3°C)	105th Warmest	Warmest since: 1898	2016
	Ties: 1916, 1925, 1946, 1948, 1957
Nov 1896–Oct 1900 48-Month	56.7°F (13.7°C)	57.3°F (14.1°C)	-0.6°F (-0.4°C)	16th Coolest	Coolest since: 1899	1912, 1913
	56.7°F (13.7°C)	57.3°F (14.1°C)	-0.6°F (-0.4°C)	109th Warmest	Warmest since: 1899	2017
	Ties: 1899, 1916, 1921, 1924, 1925
Nov 1895–Oct 1900 60-Month	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	19th Coolest	Coolest since: 1900	1913
	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	105th Warmest	Warmest to Date	2018
	Ties: 1901, 1902, 1907, 1909, 1925, 1948, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings