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

January 1901 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1901 1-Month	-1.10	0.13	-1.23	42nd Driest	Driest since: 1896	1907
January 1901 1-Month	-1.10	0.13	-1.23	90th Wettest	Wettest since: 1900	1991
Dec 1900–Jan 1901 2-Month	0.15	0.03	0.12	73rd Driest	Driest since: 1900	1907
Dec 1900–Jan 1901 2-Month	0.15	0.03	0.12	58th Wettest	Wettest since: 1898	1991
Nov 1900–Jan 1901 3-Month	-0.53	-0.02	-0.51	58th Driest	Driest since: 1900	1907
Nov 1900–Jan 1901 3-Month	-0.53	-0.02	-0.51	73rd Wettest	Wettest since: 1899	1998
Oct 1900–Jan 1901 4-Month	-0.39	0.03	-0.42	54th Driest	Driest since: 1900	2012
Oct 1900–Jan 1901 4-Month	-0.39	0.03	-0.42	77th Wettest	Wettest since: 1899	1919
Sep 1900–Jan 1901 5-Month	-0.65	-0.01	-0.64	39th Driest	Driest since: 1900	1907
Sep 1900–Jan 1901 5-Month	-0.65	-0.01	-0.64	92nd Wettest	Wettest since: 1899	1978
Aug 1900–Jan 1901 6-Month	-0.53	-0.03	-0.50	39th Driest	Driest since: 1900	1925
Aug 1900–Jan 1901 6-Month	-0.53	-0.03	-0.50	92nd Wettest	Wettest since: 1899	1978
Jul 1900–Jan 1901 7-Month	-0.20	-0.01	-0.19	54th Driest	Driest since: 1900	1925
Jul 1900–Jan 1901 7-Month	-0.20	-0.01	-0.19	77th Wettest	Wettest since: 1899	1978
Jun 1900–Jan 1901 8-Month	0.43	-0.01	0.44	92nd Driest	Driest since: 1900	1925
Jun 1900–Jan 1901 8-Month	0.43	-0.01	0.44	39th Wettest	Wettest since: 1899	1978
May 1900–Jan 1901 9-Month	0.41	0.00	0.41	96th Driest	Driest since: 1900	1907
May 1900–Jan 1901 9-Month	0.41	0.00	0.41	35th Wettest	Wettest since: 1899	1992
Apr 1900–Jan 1901 10-Month	0.79	0.00	0.79	113th Driest	Driest since: 1900	1907
Apr 1900–Jan 1901 10-Month	0.79	0.00	0.79	18th Wettest	Wettest to Date	1992
Mar 1900–Jan 1901 11-Month	0.77	-0.01	0.78	113th Driest	Driest since: 1900	1925
Mar 1900–Jan 1901 11-Month	0.77	-0.01	0.78	18th Wettest	Wettest to Date	1992
Feb 1900–Jan 1901 12-Month	0.83	-0.03	0.86	118th Driest	Driest since: 1900	1963
Feb 1900–Jan 1901 12-Month	0.83	-0.03	0.86	13th Wettest	Wettest to Date	1992
Aug 1899–Jan 1901 18-Month	0.12	-0.03	0.15	87th Driest	Driest since: 1900	1905
Aug 1899–Jan 1901 18-Month	0.12	-0.03	0.15	43rd Wettest	Wettest since: 1899	1992
Feb 1899–Jan 1901 24-Month	-0.23	-0.03	-0.20	49th Driest	Driest since: 1900	2001
Feb 1899–Jan 1901 24-Month	-0.23	-0.03	-0.20	81st Wettest	Wettest since: 1899	1993
Feb 1898–Jan 1901 36-Month	0.02	-0.03	0.05	79th Driest	Driest since: 1900	1905
Feb 1898–Jan 1901 36-Month	0.02	-0.03	0.05	50th Wettest	Wettest to Date	1994
Feb 1897–Jan 1901 48-Month	-0.15	-0.03	-0.12	52nd Driest	Driest since: 1900	1905
Feb 1897–Jan 1901 48-Month	-0.15	-0.03	-0.12	76th Wettest	Wettest to Date	1995
Feb 1896–Jan 1901 60-Month	-0.31	-0.03	-0.28	27th Driest	Driest since: 1900	1907
Feb 1896–Jan 1901 60-Month	-0.31	-0.03	-0.28	100th Wettest	Wettest to Date	1993

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 26, 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

January 1901 Palmer Z-Index Rankings

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