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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

January 1977 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1977 1-Month	1.30	0.13	1.17	106th Driest	Driest since: 1976	1907
January 1977 1-Month	1.30	0.13	1.17	26th Wettest	Wettest since: 1972	1991
Dec 1976–Jan 1977 2-Month	2.26	0.03	2.23	123rd Driest	Driest since: 1976	1907
Dec 1976–Jan 1977 2-Month	2.26	0.03	2.23	8th Wettest	Wettest since: 1966	1991
Nov 1976–Jan 1977 3-Month	2.01	-0.02	2.03	121st Driest	Driest since: 1976	1907
Nov 1976–Jan 1977 3-Month	2.01	-0.02	2.03	10th Wettest	Wettest since: 1964	1998
Oct 1976–Jan 1977 4-Month	1.91	0.03	1.88	126th Driest	Driest since: 1976	2012
Oct 1976–Jan 1977 4-Month	1.91	0.03	1.88	5th Wettest	Wettest since: 1919	1919
Sep 1976–Jan 1977 5-Month	1.09	-0.01	1.10	115th Driest	Driest since: 1976	1907
	1.09	-0.01	1.10	16th Wettest	Wettest since: 1974	1978
	Ties: 1948
Aug 1976–Jan 1977 6-Month	0.50	-0.03	0.53	93rd Driest	Driest since: 1976	1925
Aug 1976–Jan 1977 6-Month	0.50	-0.03	0.53	38th Wettest	Wettest since: 1974	1978
Jul 1976–Jan 1977 7-Month	0.27	-0.01	0.28	85th Driest	Driest since: 1975	1925
Jul 1976–Jan 1977 7-Month	0.27	-0.01	0.28	46th Wettest	Wettest since: 1976	1978
Jun 1976–Jan 1977 8-Month	0.24	-0.01	0.25	83rd Driest	Driest since: 1975	1925
Jun 1976–Jan 1977 8-Month	0.24	-0.01	0.25	48th Wettest	Wettest since: 1976	1978
May 1976–Jan 1977 9-Month	0.36	0.00	0.36	94th Driest	Driest since: 1975	1907
May 1976–Jan 1977 9-Month	0.36	0.00	0.36	37th Wettest	Wettest since: 1976	1992
Apr 1976–Jan 1977 10-Month	0.08	0.00	0.08	70th Driest	Driest since: 1975	1907
Apr 1976–Jan 1977 10-Month	0.08	0.00	0.08	61st Wettest	Wettest since: 1976	1992
Mar 1976–Jan 1977 11-Month	-0.04	-0.01	-0.03	62nd Driest	Driest since: 1975	1925
Mar 1976–Jan 1977 11-Month	-0.04	-0.01	-0.03	69th Wettest	Wettest since: 1976	1992
Feb 1976–Jan 1977 12-Month	-0.12	-0.03	-0.09	57th Driest	Driest since: 1975	1963
Feb 1976–Jan 1977 12-Month	-0.12	-0.03	-0.09	74th Wettest	Wettest since: 1976	1992
Aug 1975–Jan 1977 18-Month	0.01	-0.03	0.04	74th Driest	Driest since: 1972	1905
Aug 1975–Jan 1977 18-Month	0.01	-0.03	0.04	56th Wettest	Wettest since: 1976	1992
Feb 1975–Jan 1977 24-Month	0.27	-0.03	0.30	97th Driest	Driest since: 1976	2001
Feb 1975–Jan 1977 24-Month	0.27	-0.03	0.30	33rd Wettest	Wettest since: 1967	1993
Feb 1974–Jan 1977 36-Month	0.09	-0.03	0.12	84th Driest	Driest since: 1975	1905
	0.09	-0.03	0.12	45th Wettest	Wettest since: 1976	1994
	Ties: 1933
Feb 1973–Jan 1977 48-Month	0.21	-0.03	0.24	103rd Driest	Driest since: 1976	1905
Feb 1973–Jan 1977 48-Month	0.21	-0.03	0.24	25th Wettest	Wettest since: 1962	1995
Feb 1972–Jan 1977 60-Month	0.11	-0.03	0.14	95th Driest	Driest since: 1975	1907
Feb 1972–Jan 1977 60-Month	0.11	-0.03	0.14	32nd Wettest	Wettest since: 1976	1993

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

January 1977 Palmer Z-Index Rankings

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