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

December 1963 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1963 1-Month	0.80	-0.10	0.90	98th Driest	Driest since: 1962	2021
December 1963 1-Month	0.80	-0.10	0.90	33rd Wettest	Wettest since: 1961	2009
Nov–Dec 1963 2-Month	1.96	-0.07	2.03	119th Driest	Driest since: 1962	1906
Nov–Dec 1963 2-Month	1.96	-0.07	2.03	12th Wettest	Wettest since: 1953	1947
Oct–Dec 1963 3-Month	0.47	0.01	0.46	90th Driest	Driest since: 1962	2011
Oct–Dec 1963 3-Month	0.47	0.01	0.46	41st Wettest	Wettest since: 1961	2009
Sep–Dec 1963 4-Month	0.43	-0.04	0.47	92nd Driest	Driest since: 1962	1924
Sep–Dec 1963 4-Month	0.43	-0.04	0.47	39th Wettest	Wettest since: 1961	2002
Aug–Dec 1963 5-Month	-0.16	-0.05	-0.11	58th Driest	Driest since: 1962	1924
Aug–Dec 1963 5-Month	-0.16	-0.05	-0.11	73rd Wettest	Wettest since: 1961	1977
Jul–Dec 1963 6-Month	-0.27	-0.04	-0.23	45th Driest	Driest since: 1962	1924
Jul–Dec 1963 6-Month	-0.27	-0.04	-0.23	86th Wettest	Wettest since: 1961	1898
Jun–Dec 1963 7-Month	-0.01	-0.04	0.03	61st Driest	Driest since: 1962	1924
Jun–Dec 1963 7-Month	-0.01	-0.04	0.03	70th Wettest	Wettest since: 1961	1898
May–Dec 1963 8-Month	-0.33	-0.04	-0.29	44th Driest	Driest since: 1962	1924
May–Dec 1963 8-Month	-0.33	-0.04	-0.29	87th Wettest	Wettest since: 1961	1942, 1975
Apr–Dec 1963 9-Month	-0.59	-0.04	-0.55	33rd Driest	Driest since: 1962	1924
Apr–Dec 1963 9-Month	-0.59	-0.04	-0.55	98th Wettest	Wettest since: 1961	2021
Mar–Dec 1963 10-Month	-0.83	-0.05	-0.78	23rd Driest	Driest since: 1962	1924
	-0.83	-0.05	-0.78	108th Wettest	Wettest since: 1961	2021
	Ties: 1938, 1951
Feb–Dec 1963 11-Month	-0.72	-0.07	-0.65	24th Driest	Driest since: 1962	2023
Feb–Dec 1963 11-Month	-0.72	-0.07	-0.65	107th Wettest	Wettest since: 1961	2021
Jan–Dec 1963 12-Month	-0.70	-0.05	-0.65	24th Driest	Driest since: 1962	2023
Jan–Dec 1963 12-Month	-0.70	-0.05	-0.65	107th Wettest	Wettest since: 1961	1991
Jul 1962–Dec 1963 18-Month	-1.09	-0.04	-1.05	6th Driest	Driest since: 1925	1904
Jul 1962–Dec 1963 18-Month	-1.09	-0.04	-1.05	124th Wettest	Wettest since: 1962	1946
Jan 1962–Dec 1963 24-Month	-1.17	-0.04	-1.13	2nd Driest	Driest to Date	2000
Jan 1962–Dec 1963 24-Month	-1.17	-0.04	-1.13	128th Wettest	Wettest since: 1962	1992
Jan 1961–Dec 1963 36-Month	-0.40	-0.04	-0.36	21st Driest	Driest since: 1953	1904
	-0.40	-0.04	-0.36	108th Wettest	Wettest since: 1962	1993
	Ties: 1898, 1938, 1953
Jan 1960–Dec 1963 48-Month	-0.44	-0.03	-0.41	20th Driest	Driest since: 1954	1904
	-0.44	-0.03	-0.41	108th Wettest	Wettest since: 1962	1994
	Ties: 1936
Jan 1959–Dec 1963 60-Month	-0.17	-0.03	-0.14	51st Driest	Driest since: 1956	1906
Jan 1959–Dec 1963 60-Month	-0.17	-0.03	-0.14	76th Wettest	Wettest since: 1962	1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 22, 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

December 1963 Palmer Z-Index Rankings

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