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 1912 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1912 1-Month	4.15	-0.10	4.25	128th Driest	Driest since: 1911	2021
December 1912 1-Month	4.15	-0.10	4.25	3rd Wettest	Wettest to Date	2009
Nov–Dec 1912 2-Month	1.37	-0.07	1.44	110th Driest	Driest since: 1911	1906
Nov–Dec 1912 2-Month	1.37	-0.07	1.44	21st Wettest	Wettest since: 1905	1947
Oct–Dec 1912 3-Month	0.75	0.01	0.74	97th Driest	Driest since: 1910	2011
Oct–Dec 1912 3-Month	0.75	0.01	0.74	34th Wettest	Wettest since: 1911	2009
Sep–Dec 1912 4-Month	0.19	-0.04	0.23	84th Driest	Driest since: 1910	1924
Sep–Dec 1912 4-Month	0.19	-0.04	0.23	47th Wettest	Wettest since: 1911	2002
Aug–Dec 1912 5-Month	0.05	-0.05	0.10	78th Driest	Driest since: 1910	1924
Aug–Dec 1912 5-Month	0.05	-0.05	0.10	53rd Wettest	Wettest since: 1911	1977
Jul–Dec 1912 6-Month	0.15	-0.04	0.19	79th Driest	Driest since: 1909	1924
Jul–Dec 1912 6-Month	0.15	-0.04	0.19	52nd Wettest	Wettest since: 1911	1898
Jun–Dec 1912 7-Month	0.22	-0.04	0.26	79th Driest	Driest since: 1907	1924
Jun–Dec 1912 7-Month	0.22	-0.04	0.26	52nd Wettest	Wettest since: 1911	1898
May–Dec 1912 8-Month	0.48	-0.04	0.52	98th Driest	Driest since: 1910	1924
May–Dec 1912 8-Month	0.48	-0.04	0.52	33rd Wettest	Wettest since: 1911	1942, 1975
Apr–Dec 1912 9-Month	0.48	-0.04	0.52	98th Driest	Driest since: 1910	1924
Apr–Dec 1912 9-Month	0.48	-0.04	0.52	33rd Wettest	Wettest since: 1911	2021
Mar–Dec 1912 10-Month	0.64	-0.05	0.69	105th Driest	Driest since: 1911	1924
Mar–Dec 1912 10-Month	0.64	-0.05	0.69	26th Wettest	Wettest since: 1905	2021
Feb–Dec 1912 11-Month	0.58	-0.07	0.65	107th Driest	Driest since: 1911	2023
Feb–Dec 1912 11-Month	0.58	-0.07	0.65	24th Wettest	Wettest since: 1905	2021
Jan–Dec 1912 12-Month	0.56	-0.05	0.61	109th Driest	Driest since: 1911	2023
Jan–Dec 1912 12-Month	0.56	-0.05	0.61	22nd Wettest	Wettest since: 1905	1991
Jul 1911–Dec 1912 18-Month	0.65	-0.04	0.69	117th Driest	Driest since: 1911	1904
Jul 1911–Dec 1912 18-Month	0.65	-0.04	0.69	13th Wettest	Wettest to Date	1946
Jan 1911–Dec 1912 24-Month	0.27	-0.04	0.31	93rd Driest	Driest since: 1911	2000
Jan 1911–Dec 1912 24-Month	0.27	-0.04	0.31	37th Wettest	Wettest since: 1901	1992
Jan 1910–Dec 1912 36-Month	0.05	-0.04	0.09	83rd Driest	Driest since: 1911	1904
	0.05	-0.04	0.09	46th Wettest	Wettest since: 1900	1993
	Ties: 1900
Jan 1909–Dec 1912 48-Month	0.02	-0.03	0.05	75th Driest	Driest since: 1911	1904
Jan 1909–Dec 1912 48-Month	0.02	-0.03	0.05	53rd Wettest	Wettest to Date	1994
Jan 1908–Dec 1912 60-Month	-0.04	-0.03	-0.01	70th Driest	Driest since: 1911	1906
Jan 1908–Dec 1912 60-Month	-0.04	-0.03	-0.01	57th Wettest	Wettest to Date	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 1912 Palmer Z-Index Rankings

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