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

December 2008 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2008 1-Month	-2.04	-0.10	-1.94	15th Driest	Driest since: 1998	2021
December 2008 1-Month	-2.04	-0.10	-1.94	116th Wettest	Wettest since: 2007	2009
Nov–Dec 2008 2-Month	-1.54	-0.07	-1.47	21st Driest	Driest since: 2005	1906
	-1.54	-0.07	-1.47	110th Wettest	Wettest since: 2007	1947
	Ties: 1960
Oct–Dec 2008 3-Month	-1.39	0.01	-1.40	19th Driest	Driest since: 2005	2011
Oct–Dec 2008 3-Month	-1.39	0.01	-1.40	112th Wettest	Wettest since: 2007	2009
Sep–Dec 2008 4-Month	-0.42	-0.04	-0.38	51st Driest	Driest since: 2005	1924
Sep–Dec 2008 4-Month	-0.42	-0.04	-0.38	80th Wettest	Wettest since: 2007	2002
Aug–Dec 2008 5-Month	0.17	-0.05	0.22	82nd Driest	Driest since: 2007	1924
	0.17	-0.05	0.22	49th Wettest	Wettest since: 2002	1977
	Ties: 1965
Jul–Dec 2008 6-Month	-0.25	-0.04	-0.21	47th Driest	Driest since: 2005	1924
	-0.25	-0.04	-0.21	84th Wettest	Wettest since: 2007	1898
	Ties: 1996
Jun–Dec 2008 7-Month	-0.29	-0.04	-0.25	46th Driest	Driest since: 2006	1924
Jun–Dec 2008 7-Month	-0.29	-0.04	-0.25	85th Wettest	Wettest since: 2007	1898
May–Dec 2008 8-Month	-0.18	-0.04	-0.14	49th Driest	Driest since: 2006	1924
	-0.18	-0.04	-0.14	82nd Wettest	Wettest since: 2007	1942, 1975
	Ties: 1930, 1973
Apr–Dec 2008 9-Month	-0.15	-0.04	-0.11	49th Driest	Driest since: 2006	1924
Apr–Dec 2008 9-Month	-0.15	-0.04	-0.11	82nd Wettest	Wettest since: 2007	2021
Mar–Dec 2008 10-Month	-0.32	-0.05	-0.27	43rd Driest	Driest since: 2006	1924
	-0.32	-0.05	-0.27	88th Wettest	Wettest since: 2007	2021
	Ties: 1910
Feb–Dec 2008 11-Month	-0.35	-0.07	-0.28	41st Driest	Driest since: 2007	2023
	-0.35	-0.07	-0.28	90th Wettest	Wettest since: 2005	2021
	Ties: 1955
Jan–Dec 2008 12-Month	-0.23	-0.05	-0.18	55th Driest	Driest since: 2007	2023
	-0.23	-0.05	-0.18	76th Wettest	Wettest since: 2004	1991
	Ties: 1939
Jul 2007–Dec 2008 18-Month	-0.14	-0.04	-0.10	55th Driest	Driest since: 2007	1904
	-0.14	-0.04	-0.10	75th Wettest	Wettest since: 2004	1946
	Ties: 1994
Jan 2007–Dec 2008 24-Month	-0.24	-0.04	-0.20	46th Driest	Driest since: 2007	2000
Jan 2007–Dec 2008 24-Month	-0.24	-0.04	-0.20	84th Wettest	Wettest since: 2005	1992
Jan 2006–Dec 2008 36-Month	-0.54	-0.04	-0.50	14th Driest	Driest since: 2007	1904
Jan 2006–Dec 2008 36-Month	-0.54	-0.04	-0.50	115th Wettest	Wettest since: 2006	1993
Jan 2005–Dec 2008 48-Month	-0.50	-0.03	-0.47	12th Driest	Driest since: 2002	1904
	-0.50	-0.03	-0.47	116th Wettest	Wettest since: 2007	1994
	Ties: 2001, 2002
Jan 2004–Dec 2008 60-Month	-0.31	-0.03	-0.28	29th Driest	Driest since: 2003	1906
Jan 2004–Dec 2008 60-Month	-0.31	-0.03	-0.28	98th Wettest	Wettest since: 2007	1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 22, 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

December 2008 Palmer Z-Index Rankings

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