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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 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	0.84	-0.14	0.98	104th Driest	Driest since: 1971	1914
January 1973 1-Month	0.84	-0.14	0.98	28th Wettest	Wettest since: 1972	1979
Dec 1972–Jan 1973 2-Month	1.40	-0.07	1.47	112th Driest	Driest since: 1971	1981
Dec 1972–Jan 1973 2-Month	1.40	-0.07	1.47	19th Wettest	Wettest since: 1972	1932
Nov 1972–Jan 1973 3-Month	1.09	-0.14	1.23	116th Driest	Driest since: 1972	2022
	1.09	-0.14	1.23	15th Wettest	Wettest since: 1962	1932
	Ties: 1933
Oct 1972–Jan 1973 4-Month	1.09	-0.10	1.19	113th Driest	Driest since: 1972	2022
Oct 1972–Jan 1973 4-Month	1.09	-0.10	1.19	18th Wettest	Wettest since: 1962	1983
Sep 1972–Jan 1973 5-Month	0.92	-0.08	1.00	113th Driest	Driest since: 1972	1904
Sep 1972–Jan 1973 5-Month	0.92	-0.08	1.00	18th Wettest	Wettest since: 1962	1983
Aug 1972–Jan 1973 6-Month	0.60	-0.04	0.64	98th Driest	Driest since: 1972	1981
Aug 1972–Jan 1973 6-Month	0.60	-0.04	0.64	33rd Wettest	Wettest since: 1969	2009
Jul 1972–Jan 1973 7-Month	0.52	-0.03	0.55	96th Driest	Driest since: 1972	1925
Jul 1972–Jan 1973 7-Month	0.52	-0.03	0.55	35th Wettest	Wettest since: 1969	2009
Jun 1972–Jan 1973 8-Month	0.47	-0.02	0.49	94th Driest	Driest since: 1972	1925
Jun 1972–Jan 1973 8-Month	0.47	-0.02	0.49	37th Wettest	Wettest since: 1969	1983
May 1972–Jan 1973 9-Month	0.35	-0.02	0.37	90th Driest	Driest since: 1972	1897
May 1972–Jan 1973 9-Month	0.35	-0.02	0.37	41st Wettest	Wettest since: 1969	2005
Apr 1972–Jan 1973 10-Month	0.15	0.01	0.14	82nd Driest	Driest since: 1971	1897
Apr 1972–Jan 1973 10-Month	0.15	0.01	0.14	49th Wettest	Wettest since: 1972	2005
Mar 1972–Jan 1973 11-Month	0.20	0.01	0.19	85th Driest	Driest since: 1972	2011
	0.20	0.01	0.19	46th Wettest	Wettest since: 1969	1974
	Ties: 1934
Feb 1972–Jan 1973 12-Month	0.03	0.00	0.03	76th Driest	Driest since: 1971	2011
	0.03	0.00	0.03	55th Wettest	Wettest since: 1972	1976
	Ties: 1935, 1960
Aug 1971–Jan 1973 18-Month	0.10	-0.01	0.11	82nd Driest	Driest since: 1971	1955
	0.10	-0.01	0.11	48th Wettest	Wettest since: 1972	1976
	Ties: 1942
Feb 1971–Jan 1973 24-Month	0.11	0.00	0.11	73rd Driest	Driest since: 1972	2012
Feb 1971–Jan 1973 24-Month	0.11	0.00	0.11	57th Wettest	Wettest since: 1969	1976
Feb 1970–Jan 1973 36-Month	0.02	0.00	0.02	60th Driest	Driest since: 1972	1955
Feb 1970–Jan 1973 36-Month	0.02	0.00	0.02	69th Wettest	Wettest since: 1969	1976
Feb 1969–Jan 1973 48-Month	-0.16	0.00	-0.16	37th Driest	Driest since: 1968	1955
Feb 1969–Jan 1973 48-Month	-0.16	0.00	-0.16	91st Wettest	Wettest since: 1972	1976
Feb 1968–Jan 1973 60-Month	-0.02	-0.01	-0.01	62nd Driest	Driest since: 1972	1956
Feb 1968–Jan 1973 60-Month	-0.02	-0.01	-0.01	65th Wettest	Wettest since: 1972	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 1973 Palmer Z-Index Rankings

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