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 1997

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1997 1-Month	59.0°F (15.0°C)	59.5°F (15.3°C)	-0.5°F (-0.3°C)	51st Coolest	Coolest since: 1994	1916
	59.0°F (15.0°C)	59.5°F (15.3°C)	-0.5°F (-0.3°C)	78th Warmest	Warmest since: 1996	2020
	Ties: 1898
Sep–Oct 1997 2-Month	64.9°F (18.3°C)	64.0°F (17.8°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 1996	1916, 1920
	64.9°F (18.3°C)	64.0°F (17.8°C)	0.9°F (0.5°C)	45th Warmest	Warmest since: 1995	2020
	Ties: 1913, 1953
Aug–Oct 1997 3-Month	68.2°F (20.1°C)	67.2°F (19.6°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 1996	1900
	68.2°F (20.1°C)	67.2°F (19.6°C)	1.0°F (0.5°C)	36th Warmest	Warmest since: 1995	2020
	Ties: 1963, 1964, 2002
Jul–Oct 1997 4-Month	69.7°F (20.9°C)	69.1°F (20.6°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1993	1912
	69.7°F (20.9°C)	69.1°F (20.6°C)	0.6°F (0.3°C)	52nd Warmest	Warmest since: 1996	2020
	Ties: 1929, 1977
Jun–Oct 1997 5-Month	69.4°F (20.8°C)	68.9°F (20.5°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1993	1912
	69.4°F (20.8°C)	68.9°F (20.5°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1996	2020, 2022
	Ties: 2005
May–Oct 1997 6-Month	69.1°F (20.6°C)	67.6°F (19.8°C)	1.5°F (0.8°C)	110th Coolest	Coolest since: 1995	1916
	69.1°F (20.6°C)	67.6°F (19.8°C)	1.5°F (0.8°C)	19th Warmest	Warmest since: 1996	2020
	Ties: 1960, 1988, 2002
Apr–Oct 1997 7-Month	67.2°F (19.6°C)	65.7°F (18.7°C)	1.5°F (0.9°C)	108th Coolest	Coolest since: 1995	1912
	67.2°F (19.6°C)	65.7°F (18.7°C)	1.5°F (0.9°C)	21st Warmest	Warmest since: 1996	2020
	Ties: 1934, 1936, 1958, 1959
Mar–Oct 1997 8-Month	65.5°F (18.6°C)	63.5°F (17.5°C)	2.0°F (1.1°C)	113th Coolest	Coolest since: 1996	1912
	65.5°F (18.6°C)	63.5°F (17.5°C)	2.0°F (1.1°C)	16th Warmest	Warmest since: 1992	2014, 2015, 2022
	Ties: 2007, 2008
Feb–Oct 1997 9-Month	63.5°F (17.5°C)	61.6°F (16.4°C)	1.9°F (1.1°C)	113th Coolest	Coolest since: 1995	1912
Feb–Oct 1997 9-Month	63.5°F (17.5°C)	61.6°F (16.4°C)	1.9°F (1.1°C)	16th Warmest	Warmest since: 1996	2015
Jan–Oct 1997 10-Month	61.6°F (16.4°C)	59.6°F (15.3°C)	2.0°F (1.1°C)	115th Coolest	Coolest since: 1995	1911, 1912
	61.6°F (16.4°C)	59.6°F (15.3°C)	2.0°F (1.1°C)	14th Warmest	Warmest since: 1996	2015
	Ties: 2013
Dec 1996–Oct 1997 11-Month	60.1°F (15.6°C)	58.1°F (14.5°C)	2.0°F (1.1°C)	115th Coolest	Coolest since: 1995	1912
	60.1°F (15.6°C)	58.1°F (14.5°C)	2.0°F (1.1°C)	13th Warmest	Warmest since: 1996	2015
	Ties: 2001, 2012
Nov 1996–Oct 1997 12-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	115th Coolest	Coolest since: 1995	1912
Nov 1996–Oct 1997 12-Month	59.4°F (15.2°C)	57.4°F (14.1°C)	2.0°F (1.1°C)	13th Warmest	Warmest since: 1996	2015
May 1996–Oct 1997 18-Month	62.7°F (17.1°C)	60.8°F (16.0°C)	1.9°F (1.1°C)	116th Coolest	Coolest since: 1996	1912
	62.7°F (17.1°C)	60.8°F (16.0°C)	1.9°F (1.1°C)	12th Warmest	Warmest since: 1959	2015
	Ties: 1959, 2002, 2009
Nov 1995–Oct 1997 24-Month	59.7°F (15.4°C)	57.4°F (14.1°C)	2.3°F (1.3°C)	119th Coolest	Coolest since: 1996	1912, 1949
Nov 1995–Oct 1997 24-Month	59.7°F (15.4°C)	57.4°F (14.1°C)	2.3°F (1.3°C)	8th Warmest	Warmest to Date	2015
Nov 1994–Oct 1997 36-Month	59.0°F (15.0°C)	57.4°F (14.1°C)	1.6°F (0.9°C)	114th Coolest	Coolest since: 1996	1913
	59.0°F (15.0°C)	57.4°F (14.1°C)	1.6°F (0.9°C)	12th Warmest	Warmest to Date	2016
	Ties: 2002, 2009
Nov 1993–Oct 1997 48-Month	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	112th Coolest	Coolest since: 1996	1912, 1913
	58.9°F (14.9°C)	57.4°F (14.1°C)	1.5°F (0.8°C)	13th Warmest	Warmest to Date	2017
	Ties: 2006
Nov 1992–Oct 1997 60-Month	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	105th Coolest	Coolest since: 1995	1913
	58.6°F (14.8°C)	57.4°F (14.1°C)	1.2°F (0.7°C)	19th Warmest	Warmest since: 1996	2018
	Ties: 2000, 2013

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published November 2022, retrieved on November 26, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings