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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

November 1978 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
November 1978 1-Month	0.38	-0.03	0.41	90th Driest	Driest since: 1973	1924
November 1978 1-Month	0.38	-0.03	0.41	41st Wettest	Wettest since: 1977	1992
Oct–Nov 1978 2-Month	-0.91	0.06	-0.97	40th Driest	Driest since: 1971	1924
Oct–Nov 1978 2-Month	-0.91	0.06	-0.97	91st Wettest	Wettest since: 1977	1937
Sep–Nov 1978 3-Month	-1.04	-0.01	-1.03	30th Driest	Driest since: 1969	1924
Sep–Nov 1978 3-Month	-1.04	-0.01	-1.03	101st Wettest	Wettest since: 1977	2002
Aug–Nov 1978 4-Month	-0.41	-0.04	-0.37	46th Driest	Driest since: 1972	1924
Aug–Nov 1978 4-Month	-0.41	-0.04	-0.37	85th Wettest	Wettest since: 1977	1977
Jul–Nov 1978 5-Month	-0.18	-0.02	-0.16	54th Driest	Driest since: 1976	1924
Jul–Nov 1978 5-Month	-0.18	-0.02	-0.16	77th Wettest	Wettest since: 1977	1898
Jun–Nov 1978 6-Month	0.06	-0.03	0.09	67th Driest	Driest since: 1976	1924
Jun–Nov 1978 6-Month	0.06	-0.03	0.09	64th Wettest	Wettest since: 1977	1898
May–Nov 1978 7-Month	0.32	-0.03	0.35	83rd Driest	Driest since: 1976	2023
	0.32	-0.03	0.35	48th Wettest	Wettest since: 1977	2021
	Ties: 1956
Apr–Nov 1978 8-Month	0.19	-0.03	0.22	73rd Driest	Driest since: 1976	2023
Apr–Nov 1978 8-Month	0.19	-0.03	0.22	58th Wettest	Wettest since: 1977	2021
Mar–Nov 1978 9-Month	0.11	-0.04	0.15	77th Driest	Driest since: 1976	2023
Mar–Nov 1978 9-Month	0.11	-0.04	0.15	54th Wettest	Wettest since: 1977	2021
Feb–Nov 1978 10-Month	0.00	-0.06	0.06	71st Driest	Driest since: 1976	2023
Feb–Nov 1978 10-Month	0.00	-0.06	0.06	60th Wettest	Wettest since: 1977	2021
Jan–Nov 1978 11-Month	0.52	-0.05	0.57	101st Driest	Driest since: 1977	2023
Jan–Nov 1978 11-Month	0.52	-0.05	0.57	30th Wettest	Wettest since: 1975	1991
Dec 1977–Nov 1978 12-Month	0.46	-0.05	0.51	101st Driest	Driest since: 1976	2023
Dec 1977–Nov 1978 12-Month	0.46	-0.05	0.51	29th Wettest	Wettest since: 1977	1991
Jun 1977–Nov 1978 18-Month	0.73	-0.04	0.77	120th Driest	Driest since: 1977	2023
Jun 1977–Nov 1978 18-Month	0.73	-0.04	0.77	10th Wettest	Wettest since: 1946	1946
Dec 1976–Nov 1978 24-Month	0.58	-0.04	0.62	119th Driest	Driest since: 1977	2023
Dec 1976–Nov 1978 24-Month	0.58	-0.04	0.62	10th Wettest	Wettest since: 1959	1992
Dec 1975–Nov 1978 36-Month	0.15	-0.03	0.18	92nd Driest	Driest since: 1976	1904
Dec 1975–Nov 1978 36-Month	0.15	-0.03	0.18	36th Wettest	Wettest since: 1977	1993
Dec 1974–Nov 1978 48-Month	0.29	-0.03	0.32	108th Driest	Driest since: 1977	1904
Dec 1974–Nov 1978 48-Month	0.29	-0.03	0.32	19th Wettest	Wettest since: 1961	1994
Dec 1973–Nov 1978 60-Month	0.26	-0.03	0.29	104th Driest	Driest since: 1977	1906
Dec 1973–Nov 1978 60-Month	0.26	-0.03	0.29	22nd Wettest	Wettest since: 1961	1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 25, 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

November 1978 Palmer Z-Index Rankings

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