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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 3

January 1990 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1990 1-Month	4.21	-0.14	4.35	126th Driest	Driest since: 1989	1914
January 1990 1-Month	4.21	-0.14	4.35	6th Wettest	Wettest since: 1979	1979
Dec 1989–Jan 1990 2-Month	1.58	-0.07	1.65	114th Driest	Driest since: 1989	1981
Dec 1989–Jan 1990 2-Month	1.58	-0.07	1.65	17th Wettest	Wettest since: 1983	1932
Nov 1989–Jan 1990 3-Month	0.88	-0.14	1.02	109th Driest	Driest since: 1989	2022
Nov 1989–Jan 1990 3-Month	0.88	-0.14	1.02	22nd Wettest	Wettest since: 1988	1932
Oct 1989–Jan 1990 4-Month	0.19	-0.10	0.29	83rd Driest	Driest since: 1986	2022
Oct 1989–Jan 1990 4-Month	0.19	-0.10	0.29	48th Wettest	Wettest since: 1989	1983
Sep 1989–Jan 1990 5-Month	-0.07	-0.08	0.01	63rd Driest	Driest since: 1982	1904
Sep 1989–Jan 1990 5-Month	-0.07	-0.08	0.01	68th Wettest	Wettest since: 1989	1983
Aug 1989–Jan 1990 6-Month	-0.08	-0.04	-0.04	67th Driest	Driest since: 1982	1981
Aug 1989–Jan 1990 6-Month	-0.08	-0.04	-0.04	64th Wettest	Wettest since: 1989	2009
Jul 1989–Jan 1990 7-Month	0.52	-0.03	0.55	96th Driest	Driest since: 1989	1925
	0.52	-0.03	0.55	35th Wettest	Wettest since: 1983	2009
	Ties: 1968, 1973
Jun 1989–Jan 1990 8-Month	1.08	-0.02	1.10	115th Driest	Driest since: 1989	1925
Jun 1989–Jan 1990 8-Month	1.08	-0.02	1.10	16th Wettest	Wettest since: 1983	1983
May 1989–Jan 1990 9-Month	1.27	-0.02	1.29	123rd Driest	Driest since: 1989	1897
May 1989–Jan 1990 9-Month	1.27	-0.02	1.29	8th Wettest	Wettest since: 1983	2005
Apr 1989–Jan 1990 10-Month	0.93	0.01	0.92	112th Driest	Driest since: 1989	1897
Apr 1989–Jan 1990 10-Month	0.93	0.01	0.92	19th Wettest	Wettest since: 1983	2005
Mar 1989–Jan 1990 11-Month	0.82	0.01	0.81	112th Driest	Driest since: 1989	2011
Mar 1989–Jan 1990 11-Month	0.82	0.01	0.81	19th Wettest	Wettest since: 1984	1974
Feb 1989–Jan 1990 12-Month	0.78	0.00	0.78	113th Driest	Driest since: 1989	2011
Feb 1989–Jan 1990 12-Month	0.78	0.00	0.78	18th Wettest	Wettest since: 1984	1976
Aug 1988–Jan 1990 18-Month	0.72	-0.01	0.73	114th Driest	Driest since: 1989	1955
Aug 1988–Jan 1990 18-Month	0.72	-0.01	0.73	16th Wettest	Wettest since: 1984	1976
Feb 1988–Jan 1990 24-Month	0.27	0.00	0.27	95th Driest	Driest since: 1989	2012
Feb 1988–Jan 1990 24-Month	0.27	0.00	0.27	35th Wettest	Wettest since: 1985	1976
Feb 1987–Jan 1990 36-Month	0.21	0.00	0.21	94th Driest	Driest since: 1989	1955
Feb 1987–Jan 1990 36-Month	0.21	0.00	0.21	35th Wettest	Wettest since: 1986	1976
Feb 1986–Jan 1990 48-Month	0.07	0.00	0.07	74th Driest	Driest since: 1989	1955
Feb 1986–Jan 1990 48-Month	0.07	0.00	0.07	54th Wettest	Wettest since: 1987	1976
Feb 1985–Jan 1990 60-Month	-0.01	-0.01	0.00	65th Driest	Driest since: 1989	1956
Feb 1985–Jan 1990 60-Month	-0.01	-0.01	0.00	62nd Wettest	Wettest since: 1988	1976

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 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 3

January 1990 Palmer Z-Index Rankings

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