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 1989 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1989 1-Month	-0.92	0.03	-0.95	40th Driest	Driest since: 1981	2021
December 1989 1-Month	-0.92	0.03	-0.95	91st Wettest	Wettest since: 1988	1991
Nov–Dec 1989 2-Month	-1.54	0.10	-1.64	14th Driest	Driest since: 1977	2021
Nov–Dec 1989 2-Month	-1.54	0.10	-1.64	117th Wettest	Wettest since: 1988	1913
Oct–Dec 1989 3-Month	-1.76	0.08	-1.84	6th Driest	Driest since: 1950	1921
Oct–Dec 1989 3-Month	-1.76	0.08	-1.84	125th Wettest	Wettest since: 1988	2018
Sep–Dec 1989 4-Month	-1.01	0.03	-1.04	25th Driest	Driest since: 1979	2021
Sep–Dec 1989 4-Month	-1.01	0.03	-1.04	106th Wettest	Wettest since: 1988	2018
Aug–Dec 1989 5-Month	-0.75	0.05	-0.80	35th Driest	Driest since: 1977	1956
Aug–Dec 1989 5-Month	-0.75	0.05	-0.80	96th Wettest	Wettest since: 1988	1986
Jul–Dec 1989 6-Month	-0.97	0.07	-1.04	26th Driest	Driest since: 1977	1954, 1956
Jul–Dec 1989 6-Month	-0.97	0.07	-1.04	105th Wettest	Wettest since: 1988	1941
Jun–Dec 1989 7-Month	-0.49	0.09	-0.58	42nd Driest	Driest since: 1977	1956
Jun–Dec 1989 7-Month	-0.49	0.09	-0.58	89th Wettest	Wettest since: 1988	1941
May–Dec 1989 8-Month	-0.55	0.06	-0.61	41st Driest	Driest since: 1988	1956
	-0.55	0.06	-0.61	90th Wettest	Wettest since: 1987	1941
	Ties: 1903
Apr–Dec 1989 9-Month	-0.76	0.09	-0.85	29th Driest	Driest since: 1970	2011
Apr–Dec 1989 9-Month	-0.76	0.09	-0.85	102nd Wettest	Wettest since: 1988	1941
Mar–Dec 1989 10-Month	-0.75	0.08	-0.83	27th Driest	Driest since: 1967	2011
Mar–Dec 1989 10-Month	-0.75	0.08	-0.83	104th Wettest	Wettest since: 1988	1941
Feb–Dec 1989 11-Month	-0.55	0.06	-0.61	39th Driest	Driest since: 1970	2011
	-0.55	0.06	-0.61	92nd Wettest	Wettest since: 1988	1941
	Ties: 1902
Jan–Dec 1989 12-Month	-0.57	0.05	-0.62	37th Driest	Driest since: 1970	2011
Jan–Dec 1989 12-Month	-0.57	0.05	-0.62	94th Wettest	Wettest since: 1988	1941
Jul 1988–Dec 1989 18-Month	-0.53	0.06	-0.59	32nd Driest	Driest since: 1978	1956
Jul 1988–Dec 1989 18-Month	-0.53	0.06	-0.59	98th Wettest	Wettest since: 1988	1992
Jan 1988–Dec 1989 24-Month	-0.55	0.06	-0.61	25th Driest	Driest since: 1967	2012
	-0.55	0.06	-0.61	105th Wettest	Wettest since: 1988	1920
	Ties: 1935
Jan 1987–Dec 1989 36-Month	0.02	0.06	-0.04	57th Driest	Driest since: 1980	2013
	0.02	0.06	-0.04	72nd Wettest	Wettest since: 1988	1915, 1992
	Ties: 1927, 1949
Jan 1986–Dec 1989 48-Month	0.19	0.07	0.12	76th Driest	Driest since: 1981	1954
	0.19	0.07	0.12	52nd Wettest	Wettest since: 1988	1908
	Ties: 1974
Jan 1985–Dec 1989 60-Month	0.38	0.07	0.31	100th Driest	Driest since: 1984	1956
Jan 1985–Dec 1989 60-Month	0.38	0.07	0.31	27th Wettest	Wettest since: 1988	1923

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 1989 Palmer Z-Index Rankings

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