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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 1978 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1978 1-Month	0.32	-0.14	0.46	93rd Driest	Driest since: 1977	1914
January 1978 1-Month	0.32	-0.14	0.46	39th Wettest	Wettest since: 1974	1979
Dec 1977–Jan 1978 2-Month	-0.46	-0.07	-0.39	62nd Driest	Driest since: 1976	1981
Dec 1977–Jan 1978 2-Month	-0.46	-0.07	-0.39	69th Wettest	Wettest since: 1977	1932
Nov 1977–Jan 1978 3-Month	0.43	-0.14	0.57	94th Driest	Driest since: 1977	2022
Nov 1977–Jan 1978 3-Month	0.43	-0.14	0.57	37th Wettest	Wettest since: 1974	1932
Oct 1977–Jan 1978 4-Month	0.31	-0.10	0.41	86th Driest	Driest since: 1977	2022
Oct 1977–Jan 1978 4-Month	0.31	-0.10	0.41	45th Wettest	Wettest since: 1975	1983
Sep 1977–Jan 1978 5-Month	-0.08	-0.08	0.00	61st Driest	Driest since: 1977	1904
	-0.08	-0.08	0.00	70th Wettest	Wettest since: 1976	1983
	Ties: 1937
Aug 1977–Jan 1978 6-Month	-0.22	-0.04	-0.18	57th Driest	Driest since: 1977	1981
Aug 1977–Jan 1978 6-Month	-0.22	-0.04	-0.18	74th Wettest	Wettest since: 1976	2009
Jul 1977–Jan 1978 7-Month	-0.17	-0.03	-0.14	62nd Driest	Driest since: 1977	1925
Jul 1977–Jan 1978 7-Month	-0.17	-0.03	-0.14	69th Wettest	Wettest since: 1976	2009
Jun 1977–Jan 1978 8-Month	-0.41	-0.02	-0.39	38th Driest	Driest since: 1970	1925
Jun 1977–Jan 1978 8-Month	-0.41	-0.02	-0.39	93rd Wettest	Wettest since: 1977	1983
May 1977–Jan 1978 9-Month	-0.59	-0.02	-0.57	29th Driest	Driest since: 1970	1897
May 1977–Jan 1978 9-Month	-0.59	-0.02	-0.57	102nd Wettest	Wettest since: 1977	2005
Apr 1977–Jan 1978 10-Month	-0.45	0.01	-0.46	35th Driest	Driest since: 1970	1897
Apr 1977–Jan 1978 10-Month	-0.45	0.01	-0.46	96th Wettest	Wettest since: 1977	2005
Mar 1977–Jan 1978 11-Month	-0.21	0.01	-0.22	48th Driest	Driest since: 1970	2011
	-0.21	0.01	-0.22	83rd Wettest	Wettest since: 1977	1974
	Ties: 1936, 1949
Feb 1977–Jan 1978 12-Month	-0.38	0.00	-0.38	32nd Driest	Driest since: 1970	2011
Feb 1977–Jan 1978 12-Month	-0.38	0.00	-0.38	99th Wettest	Wettest since: 1977	1976
Aug 1976–Jan 1978 18-Month	-0.40	-0.01	-0.39	28th Driest	Driest since: 1967	1955
Aug 1976–Jan 1978 18-Month	-0.40	-0.01	-0.39	102nd Wettest	Wettest since: 1977	1976
Feb 1976–Jan 1978 24-Month	-0.27	0.00	-0.27	43rd Driest	Driest since: 1971	2012
	-0.27	0.00	-0.27	87th Wettest	Wettest since: 1977	1976
	Ties: 1901
Feb 1975–Jan 1978 36-Month	0.32	0.00	0.32	103rd Driest	Driest since: 1973	1955
	0.32	0.00	0.32	26th Wettest	Wettest since: 1977	1976
	Ties: 1923, 1951
Feb 1974–Jan 1978 48-Month	0.45	0.00	0.45	110th Driest	Driest since: 1974	1955
Feb 1974–Jan 1978 48-Month	0.45	0.00	0.45	18th Wettest	Wettest since: 1977	1976
Feb 1973–Jan 1978 60-Month	0.62	-0.01	0.63	123rd Driest	Driest since: 1975	1956
Feb 1973–Jan 1978 60-Month	0.62	-0.01	0.63	4th Wettest	Wettest since: 1977	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 1978 Palmer Z-Index Rankings

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