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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 9

January 1973 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1973 1-Month	-0.65	0.13	-0.78	56th Driest	Driest since: 1971	1907
January 1973 1-Month	-0.65	0.13	-0.78	76th Wettest	Wettest since: 1972	1991
Dec 1972–Jan 1973 2-Month	0.58	0.03	0.55	90th Driest	Driest since: 1971	1907
Dec 1972–Jan 1973 2-Month	0.58	0.03	0.55	41st Wettest	Wettest since: 1972	1991
Nov 1972–Jan 1973 3-Month	1.12	-0.02	1.14	109th Driest	Driest since: 1972	1907
Nov 1972–Jan 1973 3-Month	1.12	-0.02	1.14	22nd Wettest	Wettest since: 1966	1998
Oct 1972–Jan 1973 4-Month	0.80	0.03	0.77	105th Driest	Driest since: 1972	2012
Oct 1972–Jan 1973 4-Month	0.80	0.03	0.77	26th Wettest	Wettest since: 1966	1919
Sep 1972–Jan 1973 5-Month	0.32	-0.01	0.33	85th Driest	Driest since: 1971	1907
	0.32	-0.01	0.33	46th Wettest	Wettest since: 1972	1978
	Ties: 1908
Aug 1972–Jan 1973 6-Month	-0.18	-0.03	-0.15	58th Driest	Driest since: 1970	1925
Aug 1972–Jan 1973 6-Month	-0.18	-0.03	-0.15	73rd Wettest	Wettest since: 1972	1978
Jul 1972–Jan 1973 7-Month	-0.21	-0.01	-0.20	51st Driest	Driest since: 1970	1925
Jul 1972–Jan 1973 7-Month	-0.21	-0.01	-0.20	80th Wettest	Wettest since: 1972	1978
Jun 1972–Jan 1973 8-Month	-0.49	-0.01	-0.48	34th Driest	Driest since: 1970	1925
Jun 1972–Jan 1973 8-Month	-0.49	-0.01	-0.48	97th Wettest	Wettest since: 1972	1978
May 1972–Jan 1973 9-Month	-0.25	0.00	-0.25	45th Driest	Driest since: 1970	1907
May 1972–Jan 1973 9-Month	-0.25	0.00	-0.25	86th Wettest	Wettest since: 1972	1992
Apr 1972–Jan 1973 10-Month	-0.38	0.00	-0.38	38th Driest	Driest since: 1970	1907
Apr 1972–Jan 1973 10-Month	-0.38	0.00	-0.38	93rd Wettest	Wettest since: 1972	1992
Mar 1972–Jan 1973 11-Month	-0.33	-0.01	-0.32	45th Driest	Driest since: 1970	1925
Mar 1972–Jan 1973 11-Month	-0.33	-0.01	-0.32	86th Wettest	Wettest since: 1972	1992
Feb 1972–Jan 1973 12-Month	-0.29	-0.03	-0.26	45th Driest	Driest since: 1970	1963
Feb 1972–Jan 1973 12-Month	-0.29	-0.03	-0.26	86th Wettest	Wettest since: 1972	1992
Aug 1971–Jan 1973 18-Month	0.03	-0.03	0.06	77th Driest	Driest since: 1972	1905
Aug 1971–Jan 1973 18-Month	0.03	-0.03	0.06	53rd Wettest	Wettest since: 1967	1992
Feb 1971–Jan 1973 24-Month	-0.13	-0.03	-0.10	59th Driest	Driest since: 1971	2001
Feb 1971–Jan 1973 24-Month	-0.13	-0.03	-0.10	71st Wettest	Wettest since: 1972	1993
Feb 1970–Jan 1973 36-Month	-0.17	-0.03	-0.14	53rd Driest	Driest since: 1972	1905
Feb 1970–Jan 1973 36-Month	-0.17	-0.03	-0.14	76th Wettest	Wettest since: 1969	1994
Feb 1969–Jan 1973 48-Month	-0.26	-0.03	-0.23	38th Driest	Driest since: 1972	1905
Feb 1969–Jan 1973 48-Month	-0.26	-0.03	-0.23	90th Wettest	Wettest since: 1970	1995
Feb 1968–Jan 1973 60-Month	-0.33	-0.03	-0.30	24th Driest	Driest since: 1956	1907
Feb 1968–Jan 1973 60-Month	-0.33	-0.03	-0.30	103rd Wettest	Wettest since: 1972	1993

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 9

January 1973 Palmer Z-Index Rankings

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