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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 1970 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
November 1970 1-Month	-1.31	-0.03	-1.28	42nd Driest	Driest since: 1969	1924
November 1970 1-Month	-1.31	-0.03	-1.28	89th Wettest	Wettest since: 1968	1992
Oct–Nov 1970 2-Month	0.71	0.06	0.65	93rd Driest	Driest since: 1969	1924
Oct–Nov 1970 2-Month	0.71	0.06	0.65	38th Wettest	Wettest since: 1964	1937
Sep–Nov 1970 3-Month	0.69	-0.01	0.70	102nd Driest	Driest since: 1969	1924
Sep–Nov 1970 3-Month	0.69	-0.01	0.70	29th Wettest	Wettest since: 1957	2002
Aug–Nov 1970 4-Month	0.82	-0.04	0.86	107th Driest	Driest since: 1969	1924
Aug–Nov 1970 4-Month	0.82	-0.04	0.86	24th Wettest	Wettest since: 1961	1977
Jul–Nov 1970 5-Month	0.61	-0.02	0.63	100th Driest	Driest since: 1969	1924
	0.61	-0.02	0.63	31st Wettest	Wettest since: 1964	1898
	Ties: 1910
Jun–Nov 1970 6-Month	0.44	-0.03	0.47	87th Driest	Driest since: 1969	1924
	0.44	-0.03	0.47	44th Wettest	Wettest since: 1961	1898
	Ties: 1941
May–Nov 1970 7-Month	0.41	-0.03	0.44	90th Driest	Driest since: 1969	2023
May–Nov 1970 7-Month	0.41	-0.03	0.44	41st Wettest	Wettest since: 1961	2021
Apr–Nov 1970 8-Month	0.05	-0.03	0.08	61st Driest	Driest since: 1969	2023
Apr–Nov 1970 8-Month	0.05	-0.03	0.08	70th Wettest	Wettest since: 1966	2021
Mar–Nov 1970 9-Month	0.23	-0.04	0.27	83rd Driest	Driest since: 1969	2023
Mar–Nov 1970 9-Month	0.23	-0.04	0.27	48th Wettest	Wettest since: 1964	2021
Feb–Nov 1970 10-Month	0.05	-0.06	0.11	75th Driest	Driest since: 1969	2023
	0.05	-0.06	0.11	56th Wettest	Wettest since: 1966	2021
	Ties: 1945
Jan–Nov 1970 11-Month	-0.03	-0.05	0.02	74th Driest	Driest since: 1969	2023
	-0.03	-0.05	0.02	57th Wettest	Wettest since: 1966	1991
	Ties: 1895, 1908, 1930
Dec 1969–Nov 1970 12-Month	-0.08	-0.05	-0.03	64th Driest	Driest since: 1969	2023
Dec 1969–Nov 1970 12-Month	-0.08	-0.05	-0.03	66th Wettest	Wettest since: 1966	1991
Jun 1969–Nov 1970 18-Month	-0.53	-0.04	-0.49	25th Driest	Driest since: 1969	2023
	-0.53	-0.04	-0.49	105th Wettest	Wettest since: 1968	1946
	Ties: 1962
Dec 1968–Nov 1970 24-Month	-0.22	-0.04	-0.18	54th Driest	Driest since: 1969	2023
	-0.22	-0.04	-0.18	75th Wettest	Wettest since: 1967	1992
	Ties: 1955
Dec 1967–Nov 1970 36-Month	-0.33	-0.03	-0.30	34th Driest	Driest since: 1969	1904
Dec 1967–Nov 1970 36-Month	-0.33	-0.03	-0.30	94th Wettest	Wettest since: 1968	1993
Dec 1966–Nov 1970 48-Month	-0.31	-0.03	-0.28	32nd Driest	Driest since: 1965	1904
Dec 1966–Nov 1970 48-Month	-0.31	-0.03	-0.28	95th Wettest	Wettest since: 1969	1994
Dec 1965–Nov 1970 60-Month	-0.03	-0.03	0.00	68th Driest	Driest since: 1969	1906
Dec 1965–Nov 1970 60-Month	-0.03	-0.03	0.00	58th Wettest	Wettest since: 1968	1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 29, 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 1970 Palmer Z-Index Rankings

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