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 1990 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1990 1-Month	-0.19	0.03	-0.22	75th Driest	Driest since: 1989	2021
	-0.19	0.03	-0.22	56th Wettest	Wettest since: 1987	1991
	Ties: 1927
Nov–Dec 1990 2-Month	0.38	0.10	0.28	78th Driest	Driest since: 1989	2021
	0.38	0.10	0.28	53rd Wettest	Wettest since: 1986	1913
	Ties: 1896, 1971
Oct–Dec 1990 3-Month	-0.09	0.08	-0.17	66th Driest	Driest since: 1989	1921
Oct–Dec 1990 3-Month	-0.09	0.08	-0.17	65th Wettest	Wettest since: 1986	2018
Sep–Dec 1990 4-Month	0.03	0.03	0.00	72nd Driest	Driest since: 1989	2021
Sep–Dec 1990 4-Month	0.03	0.03	0.00	59th Wettest	Wettest since: 1986	2018
Aug–Dec 1990 5-Month	0.19	0.05	0.14	79th Driest	Driest since: 1989	1956
Aug–Dec 1990 5-Month	0.19	0.05	0.14	52nd Wettest	Wettest since: 1986	1986
Jul–Dec 1990 6-Month	0.49	0.07	0.42	88th Driest	Driest since: 1989	1954, 1956
	0.49	0.07	0.42	43rd Wettest	Wettest since: 1986	1941
	Ties: 1962
Jun–Dec 1990 7-Month	0.34	0.09	0.25	82nd Driest	Driest since: 1989	1956
Jun–Dec 1990 7-Month	0.34	0.09	0.25	49th Wettest	Wettest since: 1987	1941
May–Dec 1990 8-Month	0.30	0.06	0.24	85th Driest	Driest since: 1989	1956
May–Dec 1990 8-Month	0.30	0.06	0.24	46th Wettest	Wettest since: 1987	1941
Apr–Dec 1990 9-Month	0.64	0.09	0.55	94th Driest	Driest since: 1989	2011
Apr–Dec 1990 9-Month	0.64	0.09	0.55	37th Wettest	Wettest since: 1987	1941
Mar–Dec 1990 10-Month	0.76	0.08	0.68	97th Driest	Driest since: 1989	2011
Mar–Dec 1990 10-Month	0.76	0.08	0.68	34th Wettest	Wettest since: 1987	1941
Feb–Dec 1990 11-Month	0.83	0.06	0.77	99th Driest	Driest since: 1989	2011
	0.83	0.06	0.77	32nd Wettest	Wettest since: 1987	1941
	Ties: 1982
Jan–Dec 1990 12-Month	0.76	0.05	0.71	97th Driest	Driest since: 1989	2011
	0.76	0.05	0.71	34th Wettest	Wettest since: 1987	1941
	Ties: 1982
Jul 1989–Dec 1990 18-Month	0.18	0.06	0.12	82nd Driest	Driest since: 1989	1956
Jul 1989–Dec 1990 18-Month	0.18	0.06	0.12	48th Wettest	Wettest since: 1987	1992
Jan 1989–Dec 1990 24-Month	0.09	0.06	0.03	71st Driest	Driest since: 1989	2012
Jan 1989–Dec 1990 24-Month	0.09	0.06	0.03	59th Wettest	Wettest since: 1988	1920
Jan 1988–Dec 1990 36-Month	-0.11	0.06	-0.17	45th Driest	Driest since: 1980	2013
	-0.11	0.06	-0.17	84th Wettest	Wettest since: 1989	1915, 1992
	Ties: 1913, 1946, 1980
Jan 1987–Dec 1990 48-Month	0.20	0.07	0.13	78th Driest	Driest since: 1989	1954
	0.20	0.07	0.13	50th Wettest	Wettest since: 1988	1908
	Ties: 1977
Jan 1986–Dec 1990 60-Month	0.31	0.07	0.24	91st Driest	Driest since: 1984	1956
	0.31	0.07	0.24	36th Wettest	Wettest since: 1989	1923
	Ties: 1926

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

Texas, Climate Division 2

December 1990 Palmer Z-Index Rankings

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