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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 7

December 1984 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1984 1-Month	-2.76	-0.09	-2.67	5th Driest	Driest since: 1954	1917
December 1984 1-Month	-2.76	-0.09	-2.67	126th Wettest	Wettest since: 1983	1982
Nov–Dec 1984 2-Month	-1.10	-0.09	-1.01	38th Driest	Driest since: 1980	1917
Nov–Dec 1984 2-Month	-1.10	-0.09	-1.01	93rd Wettest	Wettest since: 1983	1940
Oct–Dec 1984 3-Month	1.21	-0.06	1.27	113th Driest	Driest since: 1983	1917
Oct–Dec 1984 3-Month	1.21	-0.06	1.27	18th Wettest	Wettest since: 1982	2002
Sep–Dec 1984 4-Month	0.96	-0.09	1.05	107th Driest	Driest since: 1983	1924
	0.96	-0.09	1.05	24th Wettest	Wettest since: 1982	2002
	Ties: 1919
Aug–Dec 1984 5-Month	0.59	-0.09	0.68	98th Driest	Driest since: 1981	1924
Aug–Dec 1984 5-Month	0.59	-0.09	0.68	33rd Wettest	Wettest since: 1983	1940
Jul–Dec 1984 6-Month	0.37	-0.08	0.45	88th Driest	Driest since: 1983	1924
Jul–Dec 1984 6-Month	0.37	-0.08	0.45	43rd Wettest	Wettest since: 1982	1940
Jun–Dec 1984 7-Month	0.29	-0.08	0.37	81st Driest	Driest since: 1981	1924
Jun–Dec 1984 7-Month	0.29	-0.08	0.37	50th Wettest	Wettest since: 1983	1940
May–Dec 1984 8-Month	0.48	-0.06	0.54	95th Driest	Driest since: 1981	1924
May–Dec 1984 8-Month	0.48	-0.06	0.54	36th Wettest	Wettest since: 1983	1940
Apr–Dec 1984 9-Month	0.24	-0.05	0.29	76th Driest	Driest since: 1981	1924
Apr–Dec 1984 9-Month	0.24	-0.05	0.29	55th Wettest	Wettest since: 1983	1940
Mar–Dec 1984 10-Month	0.04	-0.05	0.09	69th Driest	Driest since: 1981	1924
Mar–Dec 1984 10-Month	0.04	-0.05	0.09	62nd Wettest	Wettest since: 1983	1940
Feb–Dec 1984 11-Month	0.15	-0.06	0.21	75th Driest	Driest since: 1981	1924
Feb–Dec 1984 11-Month	0.15	-0.06	0.21	56th Wettest	Wettest since: 1983	1940
Jan–Dec 1984 12-Month	0.15	-0.06	0.21	74th Driest	Driest since: 1981	1954
Jan–Dec 1984 12-Month	0.15	-0.06	0.21	57th Wettest	Wettest since: 1983	1940
Jul 1983–Dec 1984 18-Month	0.17	-0.07	0.24	80th Driest	Driest since: 1981	1925
	0.17	-0.07	0.24	50th Wettest	Wettest since: 1983	1941
	Ties: 1947
Jan 1983–Dec 1984 24-Month	0.38	-0.05	0.43	106th Driest	Driest since: 1982	2011
Jan 1983–Dec 1984 24-Month	0.38	-0.05	0.43	24th Wettest	Wettest since: 1983	1941
Jan 1982–Dec 1984 36-Month	0.42	-0.05	0.47	107th Driest	Driest since: 1983	1918
Jan 1982–Dec 1984 36-Month	0.42	-0.05	0.47	22nd Wettest	Wettest since: 1975	1942
Jan 1981–Dec 1984 48-Month	0.19	-0.04	0.23	92nd Driest	Driest since: 1983	1904
Jan 1981–Dec 1984 48-Month	0.19	-0.04	0.23	36th Wettest	Wettest since: 1982	1943
Jan 1980–Dec 1984 60-Month	0.14	-0.04	0.18	86th Driest	Driest since: 1982	1910
Jan 1980–Dec 1984 60-Month	0.14	-0.04	0.18	41st Wettest	Wettest since: 1983	1944

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 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 7

December 1984 Palmer Z-Index Rankings

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