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.

Texas, 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	1.10	0.03	1.07	103rd Driest	Driest since: 2010	2021
December 2011 1-Month	1.10	0.03	1.07	28th Wettest	Wettest since: 2006	1991
Nov–Dec 2011 2-Month	0.39	0.10	0.29	79th Driest	Driest since: 2010	2021
Nov–Dec 2011 2-Month	0.39	0.10	0.29	52nd Wettest	Wettest since: 2004	1913
Oct–Dec 2011 3-Month	0.45	0.08	0.37	87th Driest	Driest since: 2010	1921
Oct–Dec 2011 3-Month	0.45	0.08	0.37	44th Wettest	Wettest since: 2006	2018
Sep–Dec 2011 4-Month	-0.24	0.03	-0.27	59th Driest	Driest since: 2010	2021
	-0.24	0.03	-0.27	72nd Wettest	Wettest since: 2009	2018
	Ties: 1973
Aug–Dec 2011 5-Month	-0.83	0.05	-0.88	26th Driest	Driest since: 2003	1956
	-0.83	0.05	-0.88	105th Wettest	Wettest since: 2010	1986
	Ties: 1927
Jul–Dec 2011 6-Month	-1.34	0.07	-1.41	11th Driest	Driest since: 1999	1954, 1956
Jul–Dec 2011 6-Month	-1.34	0.07	-1.41	120th Wettest	Wettest since: 2010	1941
Jun–Dec 2011 7-Month	-1.93	0.09	-2.02	2nd Driest	Driest since: 1956	1956
Jun–Dec 2011 7-Month	-1.93	0.09	-2.02	129th Wettest	Wettest since: 2010	1941
May–Dec 2011 8-Month	-2.18	0.06	-2.24	2nd Driest	Driest since: 1956	1956
May–Dec 2011 8-Month	-2.18	0.06	-2.24	129th Wettest	Wettest since: 2010	1941
Apr–Dec 2011 9-Month	-2.37	0.09	-2.46	1st Driest	Driest to Date	2011
Apr–Dec 2011 9-Month	-2.37	0.09	-2.46	130th Wettest	Wettest since: 2010	1941
Mar–Dec 2011 10-Month	-2.41	0.08	-2.49	1st Driest	Driest to Date	2011
Mar–Dec 2011 10-Month	-2.41	0.08	-2.49	130th Wettest	Wettest since: 2010	1941
Feb–Dec 2011 11-Month	-2.29	0.06	-2.35	1st Driest	Driest to Date	2011
Feb–Dec 2011 11-Month	-2.29	0.06	-2.35	130th Wettest	Wettest since: 2010	1941
Jan–Dec 2011 12-Month	-2.23	0.05	-2.28	1st Driest	Driest to Date	2011
Jan–Dec 2011 12-Month	-2.23	0.05	-2.28	130th Wettest	Wettest since: 2010	1941
Jul 2010–Dec 2011 18-Month	-1.38	0.06	-1.44	4th Driest	Driest since: 1956	1956
Jul 2010–Dec 2011 18-Month	-1.38	0.06	-1.44	126th Wettest	Wettest since: 2010	1992
Jan 2010–Dec 2011 24-Month	-0.62	0.06	-0.68	23rd Driest	Driest since: 2009	2012
Jan 2010–Dec 2011 24-Month	-0.62	0.06	-0.68	107th Wettest	Wettest since: 2010	1920
Jan 2009–Dec 2011 36-Month	-0.68	0.06	-0.74	14th Driest	Driest since: 1956	2013
Jan 2009–Dec 2011 36-Month	-0.68	0.06	-0.74	115th Wettest	Wettest since: 2010	1915, 1992
Jan 2008–Dec 2011 48-Month	-0.63	0.07	-0.70	10th Driest	Driest since: 1956	1954
Jan 2008–Dec 2011 48-Month	-0.63	0.07	-0.70	118th Wettest	Wettest since: 2010	1908
Jan 2007–Dec 2011 60-Month	-0.15	0.07	-0.22	37th Driest	Driest since: 2003	1956
Jan 2007–Dec 2011 60-Month	-0.15	0.07	-0.22	90th Wettest	Wettest since: 2010	1923

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

Texas, Climate Division 2

December 2011 Palmer Z-Index Rankings

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