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 1911 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1911 1-Month	5.60	-0.09	5.69	128th Driest	Driest since: 1910	1917
December 1911 1-Month	5.60	-0.09	5.69	3rd Wettest	Wettest to Date	1982
Nov–Dec 1911 2-Month	2.91	-0.09	3.00	127th Driest	Driest since: 1910	1917
Nov–Dec 1911 2-Month	2.91	-0.09	3.00	4th Wettest	Wettest to Date	1940
Oct–Dec 1911 3-Month	2.31	-0.06	2.37	126th Driest	Driest since: 1910	1917
Oct–Dec 1911 3-Month	2.31	-0.06	2.37	5th Wettest	Wettest to Date	2002
Sep–Dec 1911 4-Month	1.41	-0.09	1.50	117th Driest	Driest since: 1910	1924
Sep–Dec 1911 4-Month	1.41	-0.09	1.50	14th Wettest	Wettest since: 1898	2002
Aug–Dec 1911 5-Month	1.52	-0.09	1.61	121st Driest	Driest since: 1910	1924
Aug–Dec 1911 5-Month	1.52	-0.09	1.61	10th Wettest	Wettest to Date	1940
Jul–Dec 1911 6-Month	1.87	-0.08	1.95	127th Driest	Driest since: 1910	1924
Jul–Dec 1911 6-Month	1.87	-0.08	1.95	4th Wettest	Wettest to Date	1940
Jun–Dec 1911 7-Month	1.49	-0.08	1.57	125th Driest	Driest since: 1910	1924
Jun–Dec 1911 7-Month	1.49	-0.08	1.57	6th Wettest	Wettest to Date	1940
May–Dec 1911 8-Month	1.11	-0.06	1.17	117th Driest	Driest since: 1910	1924
May–Dec 1911 8-Month	1.11	-0.06	1.17	14th Wettest	Wettest to Date	1940
Apr–Dec 1911 9-Month	1.00	-0.05	1.05	115th Driest	Driest since: 1910	1924
Apr–Dec 1911 9-Month	1.00	-0.05	1.05	16th Wettest	Wettest to Date	1940
Mar–Dec 1911 10-Month	0.78	-0.05	0.83	112th Driest	Driest since: 1910	1924
Mar–Dec 1911 10-Month	0.78	-0.05	0.83	19th Wettest	Wettest to Date	1940
Feb–Dec 1911 11-Month	0.40	-0.06	0.46	89th Driest	Driest since: 1910	1924
Feb–Dec 1911 11-Month	0.40	-0.06	0.46	42nd Wettest	Wettest since: 1905	1940
Jan–Dec 1911 12-Month	0.19	-0.06	0.25	79th Driest	Driest since: 1910	1954
Jan–Dec 1911 12-Month	0.19	-0.06	0.25	52nd Wettest	Wettest since: 1905	1940
Jul 1910–Dec 1911 18-Month	0.08	-0.07	0.15	73rd Driest	Driest since: 1910	1925
Jul 1910–Dec 1911 18-Month	0.08	-0.07	0.15	57th Wettest	Wettest since: 1905	1941
Jan 1910–Dec 1911 24-Month	-0.13	-0.05	-0.08	54th Driest	Driest since: 1910	2011
Jan 1910–Dec 1911 24-Month	-0.13	-0.05	-0.08	76th Wettest	Wettest since: 1900	1941
Jan 1909–Dec 1911 36-Month	-0.44	-0.05	-0.39	28th Driest	Driest since: 1910	1918
Jan 1909–Dec 1911 36-Month	-0.44	-0.05	-0.39	101st Wettest	Wettest since: 1907	1942
Jan 1908–Dec 1911 48-Month	-0.32	-0.04	-0.28	37th Driest	Driest since: 1910	1904
Jan 1908–Dec 1911 48-Month	-0.32	-0.04	-0.28	91st Wettest	Wettest since: 1908	1943
Jan 1907–Dec 1911 60-Month	-0.35	-0.04	-0.31	27th Driest	Driest since: 1910	1910
Jan 1907–Dec 1911 60-Month	-0.35	-0.04	-0.31	100th Wettest	Wettest since: 1902	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 1911 Palmer Z-Index Rankings

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