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 7

December 1901 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1901 1-Month	-0.40	-0.09	-0.31	73rd Driest	Driest since: 1898	1917
December 1901 1-Month	-0.40	-0.09	-0.31	58th Wettest	Wettest since: 1900	1982
Nov–Dec 1901 2-Month	-1.47	-0.09	-1.38	16th Driest	Driest to Date	1917
Nov–Dec 1901 2-Month	-1.47	-0.09	-1.38	115th Wettest	Wettest since: 1900	1940
Oct–Dec 1901 3-Month	-1.55	-0.06	-1.49	11th Driest	Driest to Date	1917
Oct–Dec 1901 3-Month	-1.55	-0.06	-1.49	120th Wettest	Wettest since: 1900	2002
Sep–Dec 1901 4-Month	-1.40	-0.09	-1.31	15th Driest	Driest to Date	1924
Sep–Dec 1901 4-Month	-1.40	-0.09	-1.31	116th Wettest	Wettest since: 1900	2002
Aug–Dec 1901 5-Month	-1.51	-0.09	-1.42	12th Driest	Driest to Date	1924
Aug–Dec 1901 5-Month	-1.51	-0.09	-1.42	119th Wettest	Wettest since: 1900	1940
Jul–Dec 1901 6-Month	-1.35	-0.08	-1.27	9th Driest	Driest since: 1896	1924
Jul–Dec 1901 6-Month	-1.35	-0.08	-1.27	122nd Wettest	Wettest since: 1900	1940
Jun–Dec 1901 7-Month	-1.45	-0.08	-1.37	6th Driest	Driest to Date	1924
Jun–Dec 1901 7-Month	-1.45	-0.08	-1.37	125th Wettest	Wettest since: 1900	1940
May–Dec 1901 8-Month	-1.58	-0.06	-1.52	7th Driest	Driest to Date	1924
May–Dec 1901 8-Month	-1.58	-0.06	-1.52	124th Wettest	Wettest since: 1900	1940
Apr–Dec 1901 9-Month	-1.42	-0.05	-1.37	8th Driest	Driest to Date	1924
Apr–Dec 1901 9-Month	-1.42	-0.05	-1.37	123rd Wettest	Wettest since: 1900	1940
Mar–Dec 1901 10-Month	-1.35	-0.05	-1.30	8th Driest	Driest to Date	1924
Mar–Dec 1901 10-Month	-1.35	-0.05	-1.30	123rd Wettest	Wettest since: 1900	1940
Feb–Dec 1901 11-Month	-1.21	-0.06	-1.15	10th Driest	Driest since: 1899	1924
	-1.21	-0.06	-1.15	121st Wettest	Wettest since: 1900	1940
	Ties: 1899
Jan–Dec 1901 12-Month	-1.24	-0.06	-1.18	8th Driest	Driest to Date	1954
Jan–Dec 1901 12-Month	-1.24	-0.06	-1.18	123rd Wettest	Wettest since: 1900	1940
Jul 1900–Dec 1901 18-Month	-0.79	-0.07	-0.72	15th Driest	Driest since: 1897	1925
Jul 1900–Dec 1901 18-Month	-0.79	-0.07	-0.72	115th Wettest	Wettest since: 1900	1941
Jan 1900–Dec 1901 24-Month	-0.19	-0.05	-0.14	46th Driest	Driest since: 1897	2011
Jan 1900–Dec 1901 24-Month	-0.19	-0.05	-0.14	84th Wettest	Wettest since: 1900	1941
Jan 1899–Dec 1901 36-Month	-0.40	-0.05	-0.35	30th Driest	Driest since: 1897	1918
Jan 1899–Dec 1901 36-Month	-0.40	-0.05	-0.35	99th Wettest	Wettest since: 1900	1942
Jan 1898–Dec 1901 48-Month	-0.14	-0.04	-0.10	55th Driest	Driest since: 1899	1904
Jan 1898–Dec 1901 48-Month	-0.14	-0.04	-0.10	73rd Wettest	Wettest since: 1900	1943
Jan 1897–Dec 1901 60-Month	-0.22	-0.04	-0.18	43rd Driest	Driest since: 1899	1910
Jan 1897–Dec 1901 60-Month	-0.22	-0.04	-0.18	84th Wettest	Wettest since: 1900	1944

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 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 7

December 1901 Palmer Z-Index Rankings

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