Climate at a Glance | Divisional Rankings | National Centers for Environmental Information (NCEI)

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 1939 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1939 1-Month	2.71	-0.15	2.86	124th Driest	Driest since: 1938	1986
January 1939 1-Month	2.71	-0.15	2.86	8th Wettest	Wettest since: 1937	1999
Dec 1938–Jan 1939 2-Month	0.54	-0.12	0.66	96th Driest	Driest since: 1938	1981
Dec 1938–Jan 1939 2-Month	0.54	-0.12	0.66	35th Wettest	Wettest since: 1937	1932
Nov 1938–Jan 1939 3-Month	0.45	-0.16	0.61	92nd Driest	Driest since: 1938	2022
Nov 1938–Jan 1939 3-Month	0.45	-0.16	0.61	39th Wettest	Wettest since: 1937	1932
Oct 1938–Jan 1939 4-Month	-0.19	-0.12	-0.07	61st Driest	Driest since: 1936	1904
Oct 1938–Jan 1939 4-Month	-0.19	-0.12	-0.07	70th Wettest	Wettest since: 1938	1932
Sep 1938–Jan 1939 5-Month	-0.52	-0.10	-0.42	46th Driest	Driest since: 1934	1904
Sep 1938–Jan 1939 5-Month	-0.52	-0.10	-0.42	85th Wettest	Wettest since: 1938	2010
Aug 1938–Jan 1939 6-Month	-0.31	-0.05	-0.26	47th Driest	Driest since: 1937	1955
Aug 1938–Jan 1939 6-Month	-0.31	-0.05	-0.26	84th Wettest	Wettest since: 1938	2010
Jul 1938–Jan 1939 7-Month	-0.33	-0.04	-0.29	52nd Driest	Driest since: 1936	1925
Jul 1938–Jan 1939 7-Month	-0.33	-0.04	-0.29	79th Wettest	Wettest since: 1938	2010
Jun 1938–Jan 1939 8-Month	-0.27	-0.03	-0.24	47th Driest	Driest since: 1937	1925
Jun 1938–Jan 1939 8-Month	-0.27	-0.03	-0.24	84th Wettest	Wettest since: 1938	1962
May 1938–Jan 1939 9-Month	-0.44	-0.04	-0.40	40th Driest	Driest since: 1937	1925
May 1938–Jan 1939 9-Month	-0.44	-0.04	-0.40	91st Wettest	Wettest since: 1938	1990
Apr 1938–Jan 1939 10-Month	-0.07	-0.01	-0.06	63rd Driest	Driest since: 1937	1925
Apr 1938–Jan 1939 10-Month	-0.07	-0.01	-0.06	68th Wettest	Wettest since: 1938	1992
Mar 1938–Jan 1939 11-Month	-0.10	-0.01	-0.09	62nd Driest	Driest since: 1937	2011
Mar 1938–Jan 1939 11-Month	-0.10	-0.01	-0.09	69th Wettest	Wettest since: 1938	1962
Feb 1938–Jan 1939 12-Month	-0.21	-0.02	-0.19	54th Driest	Driest since: 1937	1955
	-0.21	-0.02	-0.19	77th Wettest	Wettest since: 1938	1962
	Ties: 1935
Aug 1937–Jan 1939 18-Month	0.18	-0.03	0.21	86th Driest	Driest since: 1938	1955
Aug 1937–Jan 1939 18-Month	0.18	-0.03	0.21	44th Wettest	Wettest since: 1934	1976
Feb 1937–Jan 1939 24-Month	0.02	-0.02	0.04	76th Driest	Driest since: 1938	2012
Feb 1937–Jan 1939 24-Month	0.02	-0.02	0.04	54th Wettest	Wettest since: 1935	1975
Feb 1936–Jan 1939 36-Month	-0.32	-0.02	-0.30	29th Driest	Driest since: 1938	1965
	-0.32	-0.02	-0.30	100th Wettest	Wettest since: 1936	1976
	Ties: 1917, 1926
Feb 1935–Jan 1939 48-Month	-0.34	-0.03	-0.31	22nd Driest	Driest since: 1938	1966
	-0.34	-0.03	-0.31	106th Wettest	Wettest since: 1938	1976
	Ties: 1938
Feb 1934–Jan 1939 60-Month	-0.31	-0.03	-0.28	22nd Driest	Driest since: 1937	1967
	-0.31	-0.03	-0.28	105th Wettest	Wettest since: 1938	1976
	Ties: 1903

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 1939 Palmer Z-Index Rankings

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