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 3

December 1948 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1948 1-Month	-1.04	0.01	-1.05	45th Driest	Driest since: 1946	2021
December 1948 1-Month	-1.04	0.01	-1.05	86th Wettest	Wettest since: 1947	1982
Nov–Dec 1948 2-Month	3.22	-0.11	3.33	128th Driest	Driest since: 1947	2021
Nov–Dec 1948 2-Month	3.22	-0.11	3.33	3rd Wettest	Wettest since: 1911	1982
Oct–Dec 1948 3-Month	1.69	-0.07	1.76	120th Driest	Driest since: 1947	1924
Oct–Dec 1948 3-Month	1.69	-0.07	1.76	11th Wettest	Wettest since: 1932	1982
Sep–Dec 1948 4-Month	0.80	-0.06	0.86	103rd Driest	Driest since: 1947	1924
Sep–Dec 1948 4-Month	0.80	-0.06	0.86	28th Wettest	Wettest since: 1940	1982
Aug–Dec 1948 5-Month	0.74	-0.02	0.76	99th Driest	Driest since: 1947	1924
Aug–Dec 1948 5-Month	0.74	-0.02	0.76	32nd Wettest	Wettest since: 1940	2008
Jul–Dec 1948 6-Month	0.10	-0.02	0.12	74th Driest	Driest since: 1947	1924
	0.10	-0.02	0.12	57th Wettest	Wettest since: 1946	2008
	Ties: 1901
Jun–Dec 1948 7-Month	-0.22	-0.01	-0.21	49th Driest	Driest since: 1947	1924
Jun–Dec 1948 7-Month	-0.22	-0.01	-0.21	82nd Wettest	Wettest since: 1946	1982
May–Dec 1948 8-Month	-0.38	-0.01	-0.37	42nd Driest	Driest since: 1944	1924
	-0.38	-0.01	-0.37	89th Wettest	Wettest since: 1947	2004
	Ties: 1915, 1930
Apr–Dec 1948 9-Month	-0.42	0.02	-0.44	39th Driest	Driest since: 1943	1924
Apr–Dec 1948 9-Month	-0.42	0.02	-0.44	92nd Wettest	Wettest since: 1947	2004
Mar–Dec 1948 10-Month	-0.47	0.01	-0.48	33rd Driest	Driest since: 1943	2010
Mar–Dec 1948 10-Month	-0.47	0.01	-0.48	98th Wettest	Wettest since: 1947	1975
Feb–Dec 1948 11-Month	-0.28	0.00	-0.28	46th Driest	Driest since: 1943	2010
Feb–Dec 1948 11-Month	-0.28	0.00	-0.28	85th Wettest	Wettest since: 1947	1975
Jan–Dec 1948 12-Month	-0.32	-0.01	-0.31	43rd Driest	Driest since: 1943	2010
Jan–Dec 1948 12-Month	-0.32	-0.01	-0.31	88th Wettest	Wettest since: 1947	1975
Jul 1947–Dec 1948 18-Month	-0.33	-0.01	-0.32	35th Driest	Driest since: 1943	1954
Jul 1947–Dec 1948 18-Month	-0.33	-0.01	-0.32	95th Wettest	Wettest since: 1947	1975
Jan 1947–Dec 1948 24-Month	-0.04	-0.01	-0.03	59th Driest	Driest since: 1944	2011
Jan 1947–Dec 1948 24-Month	-0.04	-0.01	-0.03	71st Wettest	Wettest since: 1947	1975
Jan 1946–Dec 1948 36-Month	0.26	-0.01	0.27	98th Driest	Driest since: 1945	1954
Jan 1946–Dec 1948 36-Month	0.26	-0.01	0.27	31st Wettest	Wettest since: 1947	1975
Jan 1945–Dec 1948 48-Month	0.40	0.00	0.40	110th Driest	Driest since: 1946	1954
Jan 1945–Dec 1948 48-Month	0.40	0.00	0.40	18th Wettest	Wettest since: 1947	1975
Jan 1944–Dec 1948 60-Month	0.32	0.00	0.32	108th Driest	Driest since: 1947	1956
Jan 1944–Dec 1948 60-Month	0.32	0.00	0.32	19th Wettest	Wettest since: 1923	1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on April 1, 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

December 1948 Palmer Z-Index Rankings

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