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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 1975 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1975 1-Month	-0.60	-0.14	-0.46	59th Driest	Driest since: 1971	1914
January 1975 1-Month	-0.60	-0.14	-0.46	73rd Wettest	Wettest since: 1974	1979
Dec 1974–Jan 1975 2-Month	0.65	-0.07	0.72	102nd Driest	Driest since: 1971	1981
Dec 1974–Jan 1975 2-Month	0.65	-0.07	0.72	29th Wettest	Wettest since: 1974	1932
Nov 1974–Jan 1975 3-Month	0.33	-0.14	0.47	88th Driest	Driest since: 1971	2022
Nov 1974–Jan 1975 3-Month	0.33	-0.14	0.47	43rd Wettest	Wettest since: 1974	1932
Oct 1974–Jan 1975 4-Month	0.57	-0.10	0.67	99th Driest	Driest since: 1972	2022
Oct 1974–Jan 1975 4-Month	0.57	-0.10	0.67	32nd Wettest	Wettest since: 1974	1983
Sep 1974–Jan 1975 5-Month	1.24	-0.08	1.32	121st Driest	Driest since: 1973	1904
Sep 1974–Jan 1975 5-Month	1.24	-0.08	1.32	10th Wettest	Wettest since: 1974	1983
Aug 1974–Jan 1975 6-Month	1.45	-0.04	1.49	124th Driest	Driest since: 1973	1981
Aug 1974–Jan 1975 6-Month	1.45	-0.04	1.49	7th Wettest	Wettest since: 1974	2009
Jul 1974–Jan 1975 7-Month	1.34	-0.03	1.37	123rd Driest	Driest since: 1973	1925
Jul 1974–Jan 1975 7-Month	1.34	-0.03	1.37	8th Wettest	Wettest since: 1974	2009
Jun 1974–Jan 1975 8-Month	1.40	-0.02	1.42	123rd Driest	Driest since: 1974	1925
Jun 1974–Jan 1975 8-Month	1.40	-0.02	1.42	8th Wettest	Wettest since: 1962	1983
May 1974–Jan 1975 9-Month	1.15	-0.02	1.17	120th Driest	Driest since: 1974	1897
May 1974–Jan 1975 9-Month	1.15	-0.02	1.17	11th Wettest	Wettest since: 1962	2005
Apr 1974–Jan 1975 10-Month	1.22	0.01	1.21	121st Driest	Driest since: 1973	1897
Apr 1974–Jan 1975 10-Month	1.22	0.01	1.21	10th Wettest	Wettest since: 1974	2005
Mar 1974–Jan 1975 11-Month	0.93	0.01	0.92	115th Driest	Driest since: 1973	2011
Mar 1974–Jan 1975 11-Month	0.93	0.01	0.92	16th Wettest	Wettest since: 1974	1974
Feb 1974–Jan 1975 12-Month	0.85	0.00	0.85	115th Driest	Driest since: 1973	2011
Feb 1974–Jan 1975 12-Month	0.85	0.00	0.85	16th Wettest	Wettest since: 1974	1976
Aug 1973–Jan 1975 18-Month	1.14	-0.01	1.15	126th Driest	Driest since: 1974	1955
Aug 1973–Jan 1975 18-Month	1.14	-0.01	1.15	4th Wettest	Wettest to Date	1976
Feb 1973–Jan 1975 24-Month	1.07	0.00	1.07	128th Driest	Driest since: 1974	2012
Feb 1973–Jan 1975 24-Month	1.07	0.00	1.07	2nd Wettest	Wettest to Date	1976
Feb 1972–Jan 1975 36-Month	0.72	0.00	0.72	123rd Driest	Driest since: 1974	1955
Feb 1972–Jan 1975 36-Month	0.72	0.00	0.72	6th Wettest	Wettest to Date	1976
Feb 1971–Jan 1975 48-Month	0.59	0.00	0.59	123rd Driest	Driest since: 1974	1955
Feb 1971–Jan 1975 48-Month	0.59	0.00	0.59	5th Wettest	Wettest to Date	1976
Feb 1970–Jan 1975 60-Month	0.44	-0.01	0.45	116th Driest	Driest since: 1974	1956
Feb 1970–Jan 1975 60-Month	0.44	-0.01	0.45	11th Wettest	Wettest since: 1962	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 1975 Palmer Z-Index Rankings

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