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 1938 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1938 1-Month	-0.45	-0.15	-0.30	70th Driest	Driest since: 1936	1986
January 1938 1-Month	-0.45	-0.15	-0.30	62nd Wettest	Wettest since: 1937	1999
Dec 1937–Jan 1938 2-Month	0.19	-0.12	0.31	86th Driest	Driest since: 1936	1981
Dec 1937–Jan 1938 2-Month	0.19	-0.12	0.31	45th Wettest	Wettest since: 1937	1932
Nov 1937–Jan 1938 3-Month	0.20	-0.16	0.36	85th Driest	Driest since: 1936	2022
Nov 1937–Jan 1938 3-Month	0.20	-0.16	0.36	46th Wettest	Wettest since: 1937	1932
Oct 1937–Jan 1938 4-Month	0.96	-0.12	1.08	111th Driest	Driest since: 1937	1904
Oct 1937–Jan 1938 4-Month	0.96	-0.12	1.08	20th Wettest	Wettest since: 1932	1932
Sep 1937–Jan 1938 5-Month	0.69	-0.10	0.79	106th Driest	Driest since: 1937	1904
Sep 1937–Jan 1938 5-Month	0.69	-0.10	0.79	25th Wettest	Wettest since: 1932	2010
Aug 1937–Jan 1938 6-Month	0.95	-0.05	1.00	114th Driest	Driest since: 1937	1955
Aug 1937–Jan 1938 6-Month	0.95	-0.05	1.00	17th Wettest	Wettest since: 1932	2010
Jul 1937–Jan 1938 7-Month	0.86	-0.04	0.90	109th Driest	Driest since: 1937	1925
Jul 1937–Jan 1938 7-Month	0.86	-0.04	0.90	22nd Wettest	Wettest since: 1934	2010
Jun 1937–Jan 1938 8-Month	0.83	-0.03	0.86	109th Driest	Driest since: 1937	1925
Jun 1937–Jan 1938 8-Month	0.83	-0.03	0.86	22nd Wettest	Wettest since: 1920	1962
May 1937–Jan 1938 9-Month	0.52	-0.04	0.56	99th Driest	Driest since: 1937	1925
May 1937–Jan 1938 9-Month	0.52	-0.04	0.56	32nd Wettest	Wettest since: 1934	1990
Apr 1937–Jan 1938 10-Month	0.36	-0.01	0.37	91st Driest	Driest since: 1937	1925
Apr 1937–Jan 1938 10-Month	0.36	-0.01	0.37	40th Wettest	Wettest since: 1934	1992
Mar 1937–Jan 1938 11-Month	0.38	-0.01	0.39	91st Driest	Driest since: 1937	2011
Mar 1937–Jan 1938 11-Month	0.38	-0.01	0.39	40th Wettest	Wettest since: 1934	1962
Feb 1937–Jan 1938 12-Month	0.25	-0.02	0.27	88th Driest	Driest since: 1937	1955
Feb 1937–Jan 1938 12-Month	0.25	-0.02	0.27	43rd Wettest	Wettest since: 1934	1962
Aug 1936–Jan 1938 18-Month	0.05	-0.03	0.08	75th Driest	Driest since: 1937	1955
Aug 1936–Jan 1938 18-Month	0.05	-0.03	0.08	55th Wettest	Wettest since: 1934	1976
Feb 1936–Jan 1938 24-Month	-0.37	-0.02	-0.35	36th Driest	Driest since: 1937	2012
Feb 1936–Jan 1938 24-Month	-0.37	-0.02	-0.35	94th Wettest	Wettest since: 1936	1975
Feb 1935–Jan 1938 36-Month	-0.38	-0.02	-0.36	26th Driest	Driest since: 1937	1965
	-0.38	-0.02	-0.36	103rd Wettest	Wettest since: 1936	1976
	Ties: 1899
Feb 1934–Jan 1938 48-Month	-0.34	-0.03	-0.31	22nd Driest	Driest since: 1933	1966
Feb 1934–Jan 1938 48-Month	-0.34	-0.03	-0.31	106th Wettest	Wettest since: 1937	1976
Feb 1933–Jan 1938 60-Month	-0.13	-0.03	-0.10	51st Driest	Driest since: 1937	1967
	-0.13	-0.03	-0.10	76th Wettest	Wettest since: 1936	1976
	Ties: 1936

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 1938 Palmer Z-Index Rankings

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