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

February 1998 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
February 1998 1-Month	0.18	-0.26	0.44	85th Driest	Driest since: 1996	2000
February 1998 1-Month	0.18	-0.26	0.44	47th Wettest	Wettest since: 1997	1979
Jan–Feb 1998 2-Month	4.65	-0.07	4.72	130th Driest	Driest since: 1997	1989
Jan–Feb 1998 2-Month	4.65	-0.07	4.72	2nd Wettest	Wettest since: 1966	1966
Dec 1997–Feb 1998 3-Month	2.61	-0.07	2.68	127th Driest	Driest since: 1997	1907
Dec 1997–Feb 1998 3-Month	2.61	-0.07	2.68	4th Wettest	Wettest since: 1991	1966
Nov 1997–Feb 1998 4-Month	2.59	-0.08	2.67	130th Driest	Driest since: 1997	1907
Nov 1997–Feb 1998 4-Month	2.59	-0.08	2.67	1st Wettest	Wettest to Date	1998
Oct 1997–Feb 1998 5-Month	1.96	-0.03	1.99	128th Driest	Driest since: 1997	1907
Oct 1997–Feb 1998 5-Month	1.96	-0.03	1.99	3rd Wettest	Wettest since: 1919	1919
Sep 1997–Feb 1998 6-Month	1.18	-0.05	1.23	124th Driest	Driest since: 1997	1904, 1907
Sep 1997–Feb 1998 6-Month	1.18	-0.05	1.23	7th Wettest	Wettest since: 1978	1978
Aug 1997–Feb 1998 7-Month	0.77	-0.06	0.83	116th Driest	Driest since: 1997	1925
Aug 1997–Feb 1998 7-Month	0.77	-0.06	0.83	15th Wettest	Wettest since: 1993	1978
Jul 1997–Feb 1998 8-Month	0.85	-0.04	0.89	117th Driest	Driest since: 1997	1925
Jul 1997–Feb 1998 8-Month	0.85	-0.04	0.89	14th Wettest	Wettest since: 1993	1978
Jun 1997–Feb 1998 9-Month	0.87	-0.03	0.90	121st Driest	Driest since: 1997	1925
Jun 1997–Feb 1998 9-Month	0.87	-0.03	0.90	10th Wettest	Wettest since: 1993	1978
May 1997–Feb 1998 10-Month	1.05	-0.03	1.08	126th Driest	Driest since: 1997	1925
May 1997–Feb 1998 10-Month	1.05	-0.03	1.08	5th Wettest	Wettest since: 1992	1992
Apr 1997–Feb 1998 11-Month	1.08	-0.02	1.10	129th Driest	Driest since: 1997	1907
	1.08	-0.02	1.10	2nd Wettest	Wettest since: 1992	1992
	Ties: 1929
Mar 1997–Feb 1998 12-Month	0.89	-0.03	0.92	125th Driest	Driest since: 1997	1925
Mar 1997–Feb 1998 12-Month	0.89	-0.03	0.92	6th Wettest	Wettest since: 1992	1992
Sep 1996–Feb 1998 18-Month	0.57	-0.04	0.61	118th Driest	Driest since: 1997	2012
Sep 1996–Feb 1998 18-Month	0.57	-0.04	0.61	12th Wettest	Wettest since: 1993	1992
Mar 1996–Feb 1998 24-Month	0.31	-0.03	0.34	103rd Driest	Driest since: 1997	2001
	0.31	-0.03	0.34	27th Wettest	Wettest since: 1994	1993
	Ties: 1914
Mar 1995–Feb 1998 36-Month	0.15	-0.03	0.18	92nd Driest	Driest since: 1997	2001
	0.15	-0.03	0.18	37th Wettest	Wettest since: 1995	1994
	Ties: 1933
Mar 1994–Feb 1998 48-Month	0.14	-0.03	0.17	96th Driest	Driest since: 1997	1905
	0.14	-0.03	0.17	32nd Wettest	Wettest since: 1996	1995
	Ties: 1968
Mar 1993–Feb 1998 60-Month	0.09	-0.03	0.12	94th Driest	Driest since: 1997	1907
Mar 1993–Feb 1998 60-Month	0.09	-0.03	0.12	33rd Wettest	Wettest since: 1996	1993

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 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

February 1998 Palmer Z-Index Rankings

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