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 9

November 1997 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
November 1997 1-Month	2.53	-0.03	2.56	116th Driest	Driest since: 1996	1924
November 1997 1-Month	2.53	-0.03	2.56	15th Wettest	Wettest since: 1992	1992
Oct–Nov 1997 2-Month	0.98	0.06	0.92	102nd Driest	Driest since: 1996	1924
Oct–Nov 1997 2-Month	0.98	0.06	0.92	29th Wettest	Wettest since: 1992	1937
Sep–Nov 1997 3-Month	-0.26	-0.01	-0.25	61st Driest	Driest since: 1996	1924
Sep–Nov 1997 3-Month	-0.26	-0.01	-0.25	70th Wettest	Wettest since: 1994	2002
Aug–Nov 1997 4-Month	-0.61	-0.04	-0.57	37th Driest	Driest since: 1995	1924
Aug–Nov 1997 4-Month	-0.61	-0.04	-0.57	94th Wettest	Wettest since: 1996	1977
Jul–Nov 1997 5-Month	-0.21	-0.02	-0.19	52nd Driest	Driest since: 1996	1924
Jul–Nov 1997 5-Month	-0.21	-0.02	-0.19	79th Wettest	Wettest since: 1994	1898
Jun–Nov 1997 6-Month	0.00	-0.03	0.03	64th Driest	Driest since: 1996	1924
Jun–Nov 1997 6-Month	0.00	-0.03	0.03	67th Wettest	Wettest since: 1994	1898
May–Nov 1997 7-Month	0.38	-0.03	0.41	87th Driest	Driest since: 1996	2023
May–Nov 1997 7-Month	0.38	-0.03	0.41	44th Wettest	Wettest since: 1994	2021
Apr–Nov 1997 8-Month	0.51	-0.03	0.54	97th Driest	Driest since: 1996	2023
Apr–Nov 1997 8-Month	0.51	-0.03	0.54	34th Wettest	Wettest since: 1992	2021
Mar–Nov 1997 9-Month	0.32	-0.04	0.36	89th Driest	Driest since: 1996	2023
Mar–Nov 1997 9-Month	0.32	-0.04	0.36	42nd Wettest	Wettest since: 1994	2021
Feb–Nov 1997 10-Month	0.37	-0.06	0.43	93rd Driest	Driest since: 1996	2023
Feb–Nov 1997 10-Month	0.37	-0.06	0.43	38th Wettest	Wettest since: 1992	2021
Jan–Nov 1997 11-Month	0.32	-0.05	0.37	86th Driest	Driest since: 1996	2023
	0.32	-0.05	0.37	45th Wettest	Wettest since: 1993	1991
	Ties: 1973
Dec 1996–Nov 1997 12-Month	0.36	-0.05	0.41	92nd Driest	Driest since: 1996	2023
Dec 1996–Nov 1997 12-Month	0.36	-0.05	0.41	38th Wettest	Wettest since: 1992	1991
Jun 1996–Nov 1997 18-Month	0.15	-0.04	0.19	88th Driest	Driest since: 1996	2023
	0.15	-0.04	0.19	42nd Wettest	Wettest since: 1995	1946
	Ties: 1995
Dec 1995–Nov 1997 24-Month	-0.15	-0.04	-0.11	60th Driest	Driest since: 1996	2023
	-0.15	-0.04	-0.11	69th Wettest	Wettest since: 1995	1992
	Ties: 1928, 1954
Dec 1994–Nov 1997 36-Month	-0.12	-0.03	-0.09	60th Driest	Driest since: 1996	1904
Dec 1994–Nov 1997 36-Month	-0.12	-0.03	-0.09	68th Wettest	Wettest since: 1995	1993
Dec 1993–Nov 1997 48-Month	-0.11	-0.03	-0.08	53rd Driest	Driest since: 1996	1904
	-0.11	-0.03	-0.08	74th Wettest	Wettest since: 1996	1994
	Ties: 1996
Dec 1992–Nov 1997 60-Month	-0.02	-0.03	0.01	71st Driest	Driest since: 1990	1906
Dec 1992–Nov 1997 60-Month	-0.02	-0.03	0.01	55th Wettest	Wettest since: 1996	1995

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 9

November 1997 Palmer Z-Index Rankings

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