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.

Mississippi, Climate Division 2

December 2011 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2011 1-Month	0.87	0.03	0.84	98th Driest	Driest since: 2010	1980
December 2011 1-Month	0.87	0.03	0.84	33rd Wettest	Wettest since: 2008	1982
Nov–Dec 2011 2-Month	0.53	-0.12	0.65	97th Driest	Driest since: 2010	1965
Nov–Dec 2011 2-Month	0.53	-0.12	0.65	34th Wettest	Wettest since: 2008	1982
Oct–Dec 2011 3-Month	0.26	-0.11	0.37	88th Driest	Driest since: 2010	1965
Oct–Dec 2011 3-Month	0.26	-0.11	0.37	43rd Wettest	Wettest since: 2009	1982
Sep–Dec 2011 4-Month	0.58	-0.13	0.71	103rd Driest	Driest since: 2010	2023
	0.58	-0.13	0.71	28th Wettest	Wettest since: 2009	2002
	Ties: 1974
Aug–Dec 2011 5-Month	0.20	-0.05	0.25	77th Driest	Driest since: 2010	1953
	0.20	-0.05	0.25	54th Wettest	Wettest since: 2009	1982
	Ties: 1925
Jul–Dec 2011 6-Month	-0.06	-0.05	-0.01	59th Driest	Driest since: 2010	1954
	-0.06	-0.05	-0.01	72nd Wettest	Wettest since: 2009	2009
	Ties: 1916
Jun–Dec 2011 7-Month	-0.16	-0.02	-0.14	58th Driest	Driest since: 2010	1952
	-0.16	-0.02	-0.14	73rd Wettest	Wettest since: 2009	2009
	Ties: 1990
May–Dec 2011 8-Month	-0.21	-0.02	-0.19	57th Driest	Driest since: 2010	1952
May–Dec 2011 8-Month	-0.21	-0.02	-0.19	74th Wettest	Wettest since: 2009	2009
Apr–Dec 2011 9-Month	0.33	0.00	0.33	83rd Driest	Driest since: 2010	1965
Apr–Dec 2011 9-Month	0.33	0.00	0.33	48th Wettest	Wettest since: 2009	2009
Mar–Dec 2011 10-Month	0.23	0.00	0.23	81st Driest	Driest since: 2010	1954
	0.23	0.00	0.23	50th Wettest	Wettest since: 2009	2009
	Ties: 1946
Feb–Dec 2011 11-Month	0.06	-0.02	0.08	76th Driest	Driest since: 2010	1954
	0.06	-0.02	0.08	55th Wettest	Wettest since: 2009	2009
	Ties: 1969
Jan–Dec 2011 12-Month	-0.06	-0.03	-0.03	67th Driest	Driest since: 2010	1943
Jan–Dec 2011 12-Month	-0.06	-0.03	-0.03	64th Wettest	Wettest since: 2009	1979
Jul 2010–Dec 2011 18-Month	-0.46	-0.03	-0.43	30th Driest	Driest since: 2007	1954
Jul 2010–Dec 2011 18-Month	-0.46	-0.03	-0.43	100th Wettest	Wettest since: 2010	2002
Jan 2010–Dec 2011 24-Month	-0.46	-0.02	-0.44	30th Driest	Driest since: 2007	1943
	-0.46	-0.02	-0.44	100th Wettest	Wettest since: 2010	2019
	Ties: 1987
Jan 2009–Dec 2011 36-Month	0.14	-0.02	0.16	78th Driest	Driest since: 2008	1954
Jan 2009–Dec 2011 36-Month	0.14	-0.02	0.16	51st Wettest	Wettest since: 2010	2021
Jan 2008–Dec 2011 48-Month	0.19	-0.02	0.21	87th Driest	Driest since: 2010	1954
	0.19	-0.02	0.21	41st Wettest	Wettest since: 2005	2021
	Ties: 1999
Jan 2007–Dec 2011 60-Month	-0.07	-0.02	-0.05	53rd Driest	Driest since: 2010	1956
	-0.07	-0.02	-0.05	74th Wettest	Wettest since: 2009	2021
	Ties: 2009

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

Mississippi, Climate Division 2

December 2011 Palmer Z-Index Rankings

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