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 2003 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2003 1-Month	-1.08	-0.10	-0.98	49th Driest	Driest since: 2001	2021
December 2003 1-Month	-1.08	-0.10	-0.98	82nd Wettest	Wettest since: 2002	2009
Nov–Dec 2003 2-Month	-0.68	-0.07	-0.61	54th Driest	Driest since: 2001	1906
Nov–Dec 2003 2-Month	-0.68	-0.07	-0.61	77th Wettest	Wettest since: 2002	1947
Oct–Dec 2003 3-Month	-0.36	0.01	-0.37	54th Driest	Driest since: 2001	2011
Oct–Dec 2003 3-Month	-0.36	0.01	-0.37	77th Wettest	Wettest since: 2002	2009
Sep–Dec 2003 4-Month	-0.54	-0.04	-0.50	45th Driest	Driest since: 1999	1924
Sep–Dec 2003 4-Month	-0.54	-0.04	-0.50	86th Wettest	Wettest since: 2002	2002
Aug–Dec 2003 5-Month	-0.48	-0.05	-0.43	41st Driest	Driest since: 1999	1924
Aug–Dec 2003 5-Month	-0.48	-0.05	-0.43	90th Wettest	Wettest since: 2002	1977
Jul–Dec 2003 6-Month	0.04	-0.04	0.08	68th Driest	Driest since: 2001	1924
Jul–Dec 2003 6-Month	0.04	-0.04	0.08	63rd Wettest	Wettest since: 2002	1898
Jun–Dec 2003 7-Month	0.77	-0.04	0.81	109th Driest	Driest since: 2000	1924
Jun–Dec 2003 7-Month	0.77	-0.04	0.81	22nd Wettest	Wettest since: 2002	1898
May–Dec 2003 8-Month	0.31	-0.04	0.35	83rd Driest	Driest since: 2000	1924
May–Dec 2003 8-Month	0.31	-0.04	0.35	48th Wettest	Wettest since: 2002	1942, 1975
Apr–Dec 2003 9-Month	0.25	-0.04	0.29	77th Driest	Driest since: 2000	1924
	0.25	-0.04	0.29	54th Wettest	Wettest since: 2002	2021
	Ties: 1989
Mar–Dec 2003 10-Month	0.18	-0.05	0.23	81st Driest	Driest since: 2000	1924
Mar–Dec 2003 10-Month	0.18	-0.05	0.23	50th Wettest	Wettest since: 2002	2021
Feb–Dec 2003 11-Month	0.11	-0.07	0.18	77th Driest	Driest since: 2000	2023
Feb–Dec 2003 11-Month	0.11	-0.07	0.18	54th Wettest	Wettest since: 2002	2021
Jan–Dec 2003 12-Month	-0.14	-0.05	-0.09	60th Driest	Driest since: 2000	2023
Jan–Dec 2003 12-Month	-0.14	-0.05	-0.09	71st Wettest	Wettest since: 2002	1991
Jul 2002–Dec 2003 18-Month	0.48	-0.04	0.52	110th Driest	Driest since: 2002	1904
Jul 2002–Dec 2003 18-Month	0.48	-0.04	0.52	20th Wettest	Wettest since: 1993	1946
Jan 2002–Dec 2003 24-Month	0.12	-0.04	0.16	81st Driest	Driest since: 2001	2000
Jan 2002–Dec 2003 24-Month	0.12	-0.04	0.16	49th Wettest	Wettest since: 2002	1992
Jan 2001–Dec 2003 36-Month	0.12	-0.04	0.16	90th Driest	Driest since: 2002	1904
	0.12	-0.04	0.16	39th Wettest	Wettest since: 1994	1993
	Ties: 1914
Jan 2000–Dec 2003 48-Month	-0.27	-0.03	-0.24	37th Driest	Driest since: 2002	1904
	-0.27	-0.03	-0.24	91st Wettest	Wettest since: 1999	1994
	Ties: 1951, 1972
Jan 1999–Dec 2003 60-Month	-0.43	-0.03	-0.40	16th Driest	Driest since: 2000	1906
Jan 1999–Dec 2003 60-Month	-0.43	-0.03	-0.40	111th Wettest	Wettest since: 2002	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 2003 Palmer Z-Index Rankings

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