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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 8

December 1988 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1988 1-Month	-0.67	-0.15	-0.52	63rd Driest	Driest since: 1987	1917, 2021
December 1988 1-Month	-0.67	-0.15	-0.52	68th Wettest	Wettest since: 1986	2009
Nov–Dec 1988 2-Month	-1.01	-0.08	-0.93	38th Driest	Driest since: 1987	1917
Nov–Dec 1988 2-Month	-1.01	-0.08	-0.93	93rd Wettest	Wettest since: 1986	1929
Oct–Dec 1988 3-Month	-0.40	0.00	-0.40	52nd Driest	Driest since: 1987	1924
	-0.40	0.00	-0.40	79th Wettest	Wettest since: 1986	2009
	Ties: 1941
Sep–Dec 1988 4-Month	-0.06	-0.04	-0.02	73rd Driest	Driest since: 1987	1924
Sep–Dec 1988 4-Month	-0.06	-0.04	-0.02	58th Wettest	Wettest since: 1986	2009
Aug–Dec 1988 5-Month	0.33	-0.05	0.38	88th Driest	Driest since: 1987	1924
	0.33	-0.05	0.38	43rd Wettest	Wettest since: 1985	1898
	Ties: 1953
Jul–Dec 1988 6-Month	0.22	-0.03	0.25	82nd Driest	Driest since: 1987	1924
	0.22	-0.03	0.25	49th Wettest	Wettest since: 1985	1898
	Ties: 1957
Jun–Dec 1988 7-Month	0.07	-0.02	0.09	66th Driest	Driest since: 1986	1924
Jun–Dec 1988 7-Month	0.07	-0.02	0.09	65th Wettest	Wettest since: 1987	1940
May–Dec 1988 8-Month	-0.20	-0.03	-0.17	51st Driest	Driest since: 1986	1924
May–Dec 1988 8-Month	-0.20	-0.03	-0.17	80th Wettest	Wettest since: 1987	1946
Apr–Dec 1988 9-Month	-0.09	-0.03	-0.06	51st Driest	Driest since: 1986	1924
	-0.09	-0.03	-0.06	80th Wettest	Wettest since: 1987	1946
	Ties: 1968
Mar–Dec 1988 10-Month	0.25	-0.04	0.29	82nd Driest	Driest since: 1987	1924
	0.25	-0.04	0.29	49th Wettest	Wettest since: 1983	1946
	Ties: 1970
Feb–Dec 1988 11-Month	0.64	-0.05	0.69	107th Driest	Driest since: 1987	1924
Feb–Dec 1988 11-Month	0.64	-0.05	0.69	24th Wettest	Wettest since: 1983	1946
Jan–Dec 1988 12-Month	0.51	-0.04	0.55	99th Driest	Driest since: 1987	1924
Jan–Dec 1988 12-Month	0.51	-0.04	0.55	32nd Wettest	Wettest since: 1983	1946
Jul 1987–Dec 1988 18-Month	0.15	-0.03	0.18	79th Driest	Driest since: 1987	1925
Jul 1987–Dec 1988 18-Month	0.15	-0.03	0.18	51st Wettest	Wettest since: 1985	1946
Jan 1987–Dec 1988 24-Month	0.37	-0.03	0.40	102nd Driest	Driest since: 1987	2011
Jan 1987–Dec 1988 24-Month	0.37	-0.03	0.40	28th Wettest	Wettest since: 1984	1992
Jan 1986–Dec 1988 36-Month	0.04	-0.02	0.06	77th Driest	Driest since: 1987	1904
Jan 1986–Dec 1988 36-Month	0.04	-0.02	0.06	52nd Wettest	Wettest since: 1985	1993
Jan 1985–Dec 1988 48-Month	0.07	-0.02	0.09	79th Driest	Driest since: 1987	1904
Jan 1985–Dec 1988 48-Month	0.07	-0.02	0.09	49th Wettest	Wettest since: 1986	1994
Jan 1984–Dec 1988 60-Month	0.08	-0.02	0.10	80th Driest	Driest since: 1973	1939
	0.08	-0.02	0.10	47th Wettest	Wettest since: 1987	1995
	Ties: 1915, 1973

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 8

December 1988 Palmer Z-Index Rankings

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