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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 2

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	0.43	-0.15	0.58	89th Driest	Driest since: 1977	1986
January 1978 1-Month	0.43	-0.15	0.58	43rd Wettest	Wettest since: 1974	1999
Dec 1977–Jan 1978 2-Month	-0.57	-0.12	-0.45	53rd Driest	Driest since: 1976	1981
Dec 1977–Jan 1978 2-Month	-0.57	-0.12	-0.45	78th Wettest	Wettest since: 1977	1932
Nov 1977–Jan 1978 3-Month	-0.32	-0.16	-0.16	62nd Driest	Driest since: 1977	2022
	-0.32	-0.16	-0.16	69th Wettest	Wettest since: 1975	1932
	Ties: 1903, 1954
Oct 1977–Jan 1978 4-Month	-0.43	-0.12	-0.31	51st Driest	Driest since: 1977	1904
Oct 1977–Jan 1978 4-Month	-0.43	-0.12	-0.31	80th Wettest	Wettest since: 1975	1932
Sep 1977–Jan 1978 5-Month	-0.63	-0.10	-0.53	41st Driest	Driest since: 1976	1904
Sep 1977–Jan 1978 5-Month	-0.63	-0.10	-0.53	90th Wettest	Wettest since: 1977	2010
Aug 1977–Jan 1978 6-Month	-0.40	-0.05	-0.35	42nd Driest	Driest since: 1971	1955
	-0.40	-0.05	-0.35	89th Wettest	Wettest since: 1977	2010
	Ties: 1971
Jul 1977–Jan 1978 7-Month	-0.43	-0.04	-0.39	41st Driest	Driest since: 1970	1925
Jul 1977–Jan 1978 7-Month	-0.43	-0.04	-0.39	90th Wettest	Wettest since: 1977	2010
Jun 1977–Jan 1978 8-Month	-0.58	-0.03	-0.55	35th Driest	Driest since: 1970	1925
	-0.58	-0.03	-0.55	96th Wettest	Wettest since: 1977	1962
	Ties: 1966
May 1977–Jan 1978 9-Month	-0.73	-0.04	-0.69	27th Driest	Driest since: 1970	1925
May 1977–Jan 1978 9-Month	-0.73	-0.04	-0.69	104th Wettest	Wettest since: 1977	1990
Apr 1977–Jan 1978 10-Month	-0.73	-0.01	-0.72	23rd Driest	Driest since: 1970	1925
Apr 1977–Jan 1978 10-Month	-0.73	-0.01	-0.72	108th Wettest	Wettest since: 1977	1992
Mar 1977–Jan 1978 11-Month	-0.53	-0.01	-0.52	34th Driest	Driest since: 1970	2011
Mar 1977–Jan 1978 11-Month	-0.53	-0.01	-0.52	97th Wettest	Wettest since: 1977	1962
Feb 1977–Jan 1978 12-Month	-0.63	-0.02	-0.61	29th Driest	Driest since: 1970	1955
Feb 1977–Jan 1978 12-Month	-0.63	-0.02	-0.61	102nd Wettest	Wettest since: 1977	1962
Aug 1976–Jan 1978 18-Month	-0.51	-0.03	-0.48	25th Driest	Driest since: 1971	1955
	-0.51	-0.03	-0.48	105th Wettest	Wettest since: 1977	1976
	Ties: 1905, 1930, 1971
Feb 1976–Jan 1978 24-Month	-0.34	-0.02	-0.32	38th Driest	Driest since: 1971	2012
Feb 1976–Jan 1978 24-Month	-0.34	-0.02	-0.32	92nd Wettest	Wettest since: 1977	1975
Feb 1975–Jan 1978 36-Month	0.13	-0.02	0.15	82nd Driest	Driest since: 1973	1965
Feb 1975–Jan 1978 36-Month	0.13	-0.02	0.15	47th Wettest	Wettest since: 1977	1976
Feb 1974–Jan 1978 48-Month	0.36	-0.03	0.39	109th Driest	Driest since: 1974	1966
Feb 1974–Jan 1978 48-Month	0.36	-0.03	0.39	19th Wettest	Wettest since: 1977	1976
Feb 1973–Jan 1978 60-Month	0.51	-0.03	0.54	120th Driest	Driest since: 1975	1967
Feb 1973–Jan 1978 60-Month	0.51	-0.03	0.54	7th 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 30, 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 2

January 1978 Palmer Z-Index Rankings

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