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 7

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	-1.30	0.23	-1.53	32nd Driest	Driest since: 1988	1970
December 1989 1-Month	-1.30	0.23	-1.53	99th Wettest	Wettest since: 1987	1991
Nov–Dec 1989 2-Month	-1.19	0.16	-1.35	31st Driest	Driest since: 1988	2012
Nov–Dec 1989 2-Month	-1.19	0.16	-1.35	100th Wettest	Wettest since: 1987	1940
Oct–Dec 1989 3-Month	-1.00	0.16	-1.16	26th Driest	Driest since: 1988	1950
Oct–Dec 1989 3-Month	-1.00	0.16	-1.16	105th Wettest	Wettest since: 1987	1960
Sep–Dec 1989 4-Month	-1.30	0.03	-1.33	21st Driest	Driest since: 1988	2024
	-1.30	0.03	-1.33	110th Wettest	Wettest since: 1987	1913
	Ties: 1947
Aug–Dec 1989 5-Month	-1.33	-0.02	-1.31	20th Driest	Driest since: 1988	2024
Aug–Dec 1989 5-Month	-1.33	-0.02	-1.31	111th Wettest	Wettest since: 1987	1998
Jul–Dec 1989 6-Month	-1.42	-0.03	-1.39	13th Driest	Driest since: 1988	1917
Jul–Dec 1989 6-Month	-1.42	-0.03	-1.39	118th Wettest	Wettest since: 1987	1919
Jun–Dec 1989 7-Month	-1.28	-0.05	-1.23	21st Driest	Driest since: 1988	1917
Jun–Dec 1989 7-Month	-1.28	-0.05	-1.23	110th Wettest	Wettest since: 1987	1919
May–Dec 1989 8-Month	-1.35	-0.04	-1.31	13th Driest	Driest since: 1988	1917
	-1.35	-0.04	-1.31	118th Wettest	Wettest since: 1987	1919
	Ties: 1948
Apr–Dec 1989 9-Month	-1.27	-0.03	-1.24	15th Driest	Driest since: 1988	2011
Apr–Dec 1989 9-Month	-1.27	-0.03	-1.24	116th Wettest	Wettest since: 1987	1919
Mar–Dec 1989 10-Month	-1.15	-0.01	-1.14	18th Driest	Driest since: 1988	2011
Mar–Dec 1989 10-Month	-1.15	-0.01	-1.14	113th Wettest	Wettest since: 1987	1919
Feb–Dec 1989 11-Month	-1.19	-0.02	-1.17	18th Driest	Driest since: 1988	2011
Feb–Dec 1989 11-Month	-1.19	-0.02	-1.17	113th Wettest	Wettest since: 1987	1919
Jan–Dec 1989 12-Month	-0.99	-0.03	-0.96	21st Driest	Driest since: 1988	1917
	-0.99	-0.03	-0.96	110th Wettest	Wettest since: 1987	1919
	Ties: 1910, 1962
Jul 1988–Dec 1989 18-Month	-1.20	-0.03	-1.17	13th Driest	Driest since: 1963	1956
Jul 1988–Dec 1989 18-Month	-1.20	-0.03	-1.17	117th Wettest	Wettest since: 1988	1919
Jan 1988–Dec 1989 24-Month	-1.19	-0.03	-1.16	8th Driest	Driest since: 1963	1917
	-1.19	-0.03	-1.16	122nd Wettest	Wettest since: 1988	1992
	Ties: 1954
Jan 1987–Dec 1989 36-Month	-0.52	-0.02	-0.50	29th Driest	Driest since: 1964	1956
	-0.52	-0.02	-0.50	100th Wettest	Wettest since: 1988	1993
	Ties: 1950
Jan 1986–Dec 1989 48-Month	-0.36	-0.03	-0.33	38th Driest	Driest since: 1965	1956
Jan 1986–Dec 1989 48-Month	-0.36	-0.03	-0.33	90th Wettest	Wettest since: 1988	1976
Jan 1985–Dec 1989 60-Month	-0.16	-0.03	-0.13	45th Driest	Driest since: 1967	1956
Jan 1985–Dec 1989 60-Month	-0.16	-0.03	-0.13	82nd Wettest	Wettest since: 1988	1976

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

Texas, Climate Division 7

December 1989 Palmer Z-Index Rankings

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