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 1999 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1999 1-Month	-1.10	0.03	-1.13	31st Driest	Driest since: 1996	2021
	-1.10	0.03	-1.13	100th Wettest	Wettest since: 1998	1991
	Ties: 1945
Nov–Dec 1999 2-Month	-1.94	0.10	-2.04	5th Driest	Driest since: 1921	2021
Nov–Dec 1999 2-Month	-1.94	0.10	-2.04	126th Wettest	Wettest since: 1998	1913
Oct–Dec 1999 3-Month	-1.76	0.08	-1.84	6th Driest	Driest since: 1989	1921
	-1.76	0.08	-1.84	125th Wettest	Wettest since: 1998	2018
	Ties: 1989
Sep–Dec 1999 4-Month	-1.69	0.03	-1.72	4th Driest	Driest since: 1977	2021
Sep–Dec 1999 4-Month	-1.69	0.03	-1.72	127th Wettest	Wettest since: 1998	2018
Aug–Dec 1999 5-Month	-1.75	0.05	-1.80	4th Driest	Driest since: 1956	1956
	-1.75	0.05	-1.80	127th Wettest	Wettest since: 1998	1986
	Ties: 1938
Jul–Dec 1999 6-Month	-1.74	0.07	-1.81	3rd Driest	Driest since: 1956	1954, 1956
Jul–Dec 1999 6-Month	-1.74	0.07	-1.81	128th Wettest	Wettest since: 1998	1941
Jun–Dec 1999 7-Month	-1.22	0.09	-1.31	14th Driest	Driest since: 1998	1956
Jun–Dec 1999 7-Month	-1.22	0.09	-1.31	117th Wettest	Wettest since: 1997	1941
May–Dec 1999 8-Month	-0.97	0.06	-1.03	20th Driest	Driest since: 1998	1956
May–Dec 1999 8-Month	-0.97	0.06	-1.03	111th Wettest	Wettest since: 1997	1941
Apr–Dec 1999 9-Month	-0.77	0.09	-0.86	28th Driest	Driest since: 1998	2011
Apr–Dec 1999 9-Month	-0.77	0.09	-0.86	103rd Wettest	Wettest since: 1997	1941
Mar–Dec 1999 10-Month	-0.52	0.08	-0.60	43rd Driest	Driest since: 1998	2011
Mar–Dec 1999 10-Month	-0.52	0.08	-0.60	88th Wettest	Wettest since: 1997	1941
Feb–Dec 1999 11-Month	-0.69	0.06	-0.75	30th Driest	Driest since: 1998	2011
Feb–Dec 1999 11-Month	-0.69	0.06	-0.75	101st Wettest	Wettest since: 1997	1941
Jan–Dec 1999 12-Month	-0.56	0.05	-0.61	38th Driest	Driest since: 1998	2011
Jan–Dec 1999 12-Month	-0.56	0.05	-0.61	93rd Wettest	Wettest since: 1997	1941
Jul 1998–Dec 1999 18-Month	-0.88	0.06	-0.94	14th Driest	Driest since: 1956	1956
Jul 1998–Dec 1999 18-Month	-0.88	0.06	-0.94	116th Wettest	Wettest since: 1998	1992
Jan 1998–Dec 1999 24-Month	-0.78	0.06	-0.84	15th Driest	Driest since: 1956	2012
Jan 1998–Dec 1999 24-Month	-0.78	0.06	-0.84	115th Wettest	Wettest since: 1998	1920
Jan 1997–Dec 1999 36-Month	0.05	0.06	-0.01	62nd Driest	Driest since: 1998	2013
Jan 1997–Dec 1999 36-Month	0.05	0.06	-0.01	67th Wettest	Wettest since: 1997	1915, 1992
Jan 1996–Dec 1999 48-Month	-0.11	0.07	-0.18	44th Driest	Driest since: 1980	1954
Jan 1996–Dec 1999 48-Month	-0.11	0.07	-0.18	84th Wettest	Wettest since: 1998	1908
Jan 1995–Dec 1999 60-Month	0.08	0.07	0.01	65th Driest	Driest since: 1998	1956
	0.08	0.07	0.01	62nd Wettest	Wettest since: 1997	1923
	Ties: 1969

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 26, 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 1999 Palmer Z-Index Rankings

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