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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

February 1990 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
February 1990 1-Month	1.00	-0.12	1.12	92nd Driest	Driest since: 1989	2000
February 1990 1-Month	1.00	-0.12	1.12	40th Wettest	Wettest since: 1987	1903
Jan–Feb 1990 2-Month	2.61	-0.13	2.74	128th Driest	Driest since: 1989	2000
Jan–Feb 1990 2-Month	2.61	-0.13	2.74	4th Wettest	Wettest since: 1979	2020
Dec 1989–Feb 1990 3-Month	1.39	-0.09	1.48	118th Driest	Driest since: 1989	2000
Dec 1989–Feb 1990 3-Month	1.39	-0.09	1.48	13th Wettest	Wettest since: 1983	1983
Nov 1989–Feb 1990 4-Month	0.91	-0.14	1.05	113th Driest	Driest since: 1989	2000
Nov 1989–Feb 1990 4-Month	0.91	-0.14	1.05	18th Wettest	Wettest since: 1987	1983
Oct 1989–Feb 1990 5-Month	0.35	-0.10	0.45	93rd Driest	Driest since: 1988	2000
Oct 1989–Feb 1990 5-Month	0.35	-0.10	0.45	38th Wettest	Wettest since: 1989	1983
Sep 1989–Feb 1990 6-Month	0.11	-0.09	0.20	85th Driest	Driest since: 1988	1904
Sep 1989–Feb 1990 6-Month	0.11	-0.09	0.20	46th Wettest	Wettest since: 1989	1983
Aug 1989–Feb 1990 7-Month	0.07	-0.05	0.12	77th Driest	Driest since: 1988	2000
Aug 1989–Feb 1990 7-Month	0.07	-0.05	0.12	54th Wettest	Wettest since: 1989	1983
Jul 1989–Feb 1990 8-Month	0.58	-0.04	0.62	107th Driest	Driest since: 1989	1925
Jul 1989–Feb 1990 8-Month	0.58	-0.04	0.62	24th Wettest	Wettest since: 1985	1983
Jun 1989–Feb 1990 9-Month	1.07	-0.03	1.10	121st Driest	Driest since: 1989	1925
	1.07	-0.03	1.10	10th Wettest	Wettest since: 1983	1983
	Ties: 1974
May 1989–Feb 1990 10-Month	1.24	-0.03	1.27	127th Driest	Driest since: 1989	1925
May 1989–Feb 1990 10-Month	1.24	-0.03	1.27	4th Wettest	Wettest since: 1983	2005
Apr 1989–Feb 1990 11-Month	0.94	0.00	0.94	117th Driest	Driest since: 1989	1897
	0.94	0.00	0.94	14th Wettest	Wettest since: 1984	1983
	Ties: 1924
Mar 1989–Feb 1990 12-Month	0.83	0.00	0.83	115th Driest	Driest since: 1989	2011
Mar 1989–Feb 1990 12-Month	0.83	0.00	0.83	16th Wettest	Wettest since: 1984	1974
Sep 1988–Feb 1990 18-Month	0.78	-0.03	0.81	119th Driest	Driest since: 1989	1955, 1964
Sep 1988–Feb 1990 18-Month	0.78	-0.03	0.81	11th Wettest	Wettest since: 1984	1984
Mar 1988–Feb 1990 24-Month	0.35	-0.01	0.36	103rd Driest	Driest since: 1989	2012
Mar 1988–Feb 1990 24-Month	0.35	-0.01	0.36	27th Wettest	Wettest since: 1985	1975
Mar 1987–Feb 1990 36-Month	0.13	0.00	0.13	81st Driest	Driest since: 1989	1955
Mar 1987–Feb 1990 36-Month	0.13	0.00	0.13	48th Wettest	Wettest since: 1986	1976
Mar 1986–Feb 1990 48-Month	0.15	0.00	0.15	83rd Driest	Driest since: 1989	1955
	0.15	0.00	0.15	45th Wettest	Wettest since: 1987	1976
	Ties: 1983
Mar 1985–Feb 1990 60-Month	-0.03	-0.01	-0.02	58th Driest	Driest since: 1989	1967
	-0.03	-0.01	-0.02	69th Wettest	Wettest since: 1988	1976
	Ties: 1903, 1908, 1936, 1946, 1959

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on April 1, 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

February 1990 Palmer Z-Index Rankings

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