Climate at a Glance | Divisional Rankings | National Centers for Environmental Information (NCEI)

Divisional Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Louisiana, Climate Division 9

October 2008 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 2008 1-Month	-1.11	0.15	-1.26	36th Driest	Driest since: 2005	1924
October 2008 1-Month	-1.11	0.15	-1.26	95th Wettest	Wettest since: 2007	1937
Sep–Oct 2008 2-Month	0.70	-0.01	0.71	94th Driest	Driest since: 2006	1924
Sep–Oct 2008 2-Month	0.70	-0.01	0.71	37th Wettest	Wettest since: 2007	2002
Aug–Oct 2008 3-Month	1.31	-0.05	1.36	112th Driest	Driest since: 2007	1924
Aug–Oct 2008 3-Month	1.31	-0.05	1.36	19th Wettest	Wettest since: 2002	2002
Jul–Oct 2008 4-Month	0.40	-0.02	0.42	80th Driest	Driest since: 2007	1924
	0.40	-0.02	0.42	51st Wettest	Wettest since: 2003	2012
	Ties: 2003
Jun–Oct 2008 5-Month	0.21	-0.03	0.24	73rd Driest	Driest since: 2006	2023
	0.21	-0.03	0.24	58th Wettest	Wettest since: 2007	1942
	Ties: 1943
May–Oct 2008 6-Month	0.27	-0.03	0.30	74th Driest	Driest since: 2006	2023
May–Oct 2008 6-Month	0.27	-0.03	0.30	57th Wettest	Wettest since: 2007	2021
Apr–Oct 2008 7-Month	0.24	-0.03	0.27	79th Driest	Driest since: 2007	2023
	0.24	-0.03	0.27	52nd Wettest	Wettest since: 2004	2021
	Ties: 1970
Mar–Oct 2008 8-Month	-0.01	-0.04	0.03	67th Driest	Driest since: 2007	2023
	-0.01	-0.04	0.03	64th Wettest	Wettest since: 2004	2021
	Ties: 1971
Feb–Oct 2008 9-Month	-0.09	-0.07	-0.02	64th Driest	Driest since: 2007	2023
	-0.09	-0.07	-0.02	67th Wettest	Wettest since: 2005	2021
	Ties: 1916
Jan–Oct 2008 10-Month	0.03	-0.05	0.08	72nd Driest	Driest since: 2007	2023
Jan–Oct 2008 10-Month	0.03	-0.05	0.08	59th Wettest	Wettest since: 2004	1991
Dec 2007–Oct 2008 11-Month	0.04	-0.05	0.09	72nd Driest	Driest since: 2006	2023
	0.04	-0.05	0.09	58th Wettest	Wettest since: 2007	1991
	Ties: 1994
Nov 2007–Oct 2008 12-Month	-0.08	-0.05	-0.03	67th Driest	Driest since: 2006	2000
Nov 2007–Oct 2008 12-Month	-0.08	-0.05	-0.03	63rd Wettest	Wettest since: 2007	1991
May 2007–Oct 2008 18-Month	0.09	-0.03	0.12	76th Driest	Driest since: 2007	1963
	0.09	-0.03	0.12	54th Wettest	Wettest since: 2005	2021
	Ties: 1985
Nov 2006–Oct 2008 24-Month	-0.02	-0.04	0.02	72nd Driest	Driest since: 2007	2000
Nov 2006–Oct 2008 24-Month	-0.02	-0.04	0.02	57th Wettest	Wettest since: 2005	1992
Nov 2005–Oct 2008 36-Month	-0.55	-0.04	-0.51	12th Driest	Driest since: 2007	1904
	-0.55	-0.04	-0.51	116th Wettest	Wettest since: 2007	1993
	Ties: 2007
Nov 2004–Oct 2008 48-Month	-0.43	-0.03	-0.40	18th Driest	Driest since: 2002	1904
	-0.43	-0.03	-0.40	109th Wettest	Wettest since: 2007	1994
	Ties: 1909, 2001
Nov 2003–Oct 2008 60-Month	-0.29	-0.03	-0.26	32nd Driest	Driest since: 2003	1906
	-0.29	-0.03	-0.26	94th Wettest	Wettest since: 2007	1995
	Ties: 1964

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on April 1, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

Louisiana, Climate Division 9

October 2008 Palmer Z-Index Rankings

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