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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 1974 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1974 1-Month	0.67	0.13	0.54	95th Driest	Driest since: 1973	1907
January 1974 1-Month	0.67	0.13	0.54	37th Wettest	Wettest since: 1972	1991
Dec 1973–Jan 1974 2-Month	1.43	0.03	1.40	111th Driest	Driest since: 1973	1907
	1.43	0.03	1.40	20th Wettest	Wettest since: 1966	1991
	Ties: 1946
Nov 1973–Jan 1974 3-Month	0.93	-0.02	0.95	103rd Driest	Driest since: 1972	1907
Nov 1973–Jan 1974 3-Month	0.93	-0.02	0.95	28th Wettest	Wettest since: 1973	1998
Oct 1973–Jan 1974 4-Month	0.73	0.03	0.70	99th Driest	Driest since: 1972	2012
	0.73	0.03	0.70	32nd Wettest	Wettest since: 1973	1919
	Ties: 1929
Sep 1973–Jan 1974 5-Month	1.29	-0.01	1.30	119th Driest	Driest since: 1973	1907
Sep 1973–Jan 1974 5-Month	1.29	-0.01	1.30	12th Wettest	Wettest since: 1949	1978
Aug 1973–Jan 1974 6-Month	0.71	-0.03	0.74	107th Driest	Driest since: 1973	1925
	0.71	-0.03	0.74	24th Wettest	Wettest since: 1966	1978
	Ties: 1924
Jul 1973–Jan 1974 7-Month	0.32	-0.01	0.33	87th Driest	Driest since: 1973	1925
Jul 1973–Jan 1974 7-Month	0.32	-0.01	0.33	44th Wettest	Wettest since: 1972	1978
Jun 1973–Jan 1974 8-Month	0.07	-0.01	0.08	70th Driest	Driest since: 1973	1925
	0.07	-0.01	0.08	61st Wettest	Wettest since: 1972	1978
	Ties: 1956
May 1973–Jan 1974 9-Month	-0.09	0.00	-0.09	54th Driest	Driest since: 1973	1907
May 1973–Jan 1974 9-Month	-0.09	0.00	-0.09	77th Wettest	Wettest since: 1972	1992
Apr 1973–Jan 1974 10-Month	0.43	0.00	0.43	98th Driest	Driest since: 1973	1907
	0.43	0.00	0.43	33rd Wettest	Wettest since: 1967	1992
	Ties: 1913
Mar 1973–Jan 1974 11-Month	0.69	-0.01	0.70	109th Driest	Driest since: 1973	1925
Mar 1973–Jan 1974 11-Month	0.69	-0.01	0.70	22nd Wettest	Wettest since: 1962	1992
Feb 1973–Jan 1974 12-Month	0.58	-0.03	0.61	109th Driest	Driest since: 1973	1963
Feb 1973–Jan 1974 12-Month	0.58	-0.03	0.61	22nd Wettest	Wettest since: 1962	1992
Aug 1972–Jan 1974 18-Month	0.33	-0.03	0.36	102nd Driest	Driest since: 1973	1905
Aug 1972–Jan 1974 18-Month	0.33	-0.03	0.36	28th Wettest	Wettest since: 1967	1992
Feb 1972–Jan 1974 24-Month	0.15	-0.03	0.18	83rd Driest	Driest since: 1973	2001
Feb 1972–Jan 1974 24-Month	0.15	-0.03	0.18	47th Wettest	Wettest since: 1968	1993
Feb 1971–Jan 1974 36-Month	0.11	-0.03	0.14	88th Driest	Driest since: 1973	1905
Feb 1971–Jan 1974 36-Month	0.11	-0.03	0.14	41st Wettest	Wettest since: 1968	1994
Feb 1970–Jan 1974 48-Month	0.02	-0.03	0.05	76th Driest	Driest since: 1973	1905
Feb 1970–Jan 1974 48-Month	0.02	-0.03	0.05	52nd Wettest	Wettest since: 1968	1995
Feb 1969–Jan 1974 60-Month	-0.09	-0.03	-0.06	59th Driest	Driest since: 1973	1907
Feb 1969–Jan 1974 60-Month	-0.09	-0.03	-0.06	68th Wettest	Wettest since: 1969	1993

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 29, 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 1974 Palmer Z-Index Rankings

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