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 1987 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1987 1-Month	0.01	0.23	-0.22	65th Driest	Driest since: 1985	1970
	0.01	0.23	-0.22	66th Wettest	Wettest since: 1986	1991
	Ties: 1968
Nov–Dec 1987 2-Month	0.41	0.16	0.25	82nd Driest	Driest since: 1984	2012
Nov–Dec 1987 2-Month	0.41	0.16	0.25	49th Wettest	Wettest since: 1986	1940
Oct–Dec 1987 3-Month	-0.33	0.16	-0.49	63rd Driest	Driest since: 1983	1950
Oct–Dec 1987 3-Month	-0.33	0.16	-0.49	68th Wettest	Wettest since: 1986	1960
Sep–Dec 1987 4-Month	-0.49	0.03	-0.52	53rd Driest	Driest since: 1977	2024
Sep–Dec 1987 4-Month	-0.49	0.03	-0.52	78th Wettest	Wettest since: 1986	1913
Aug–Dec 1987 5-Month	-0.28	-0.02	-0.26	58th Driest	Driest since: 1982	2024
Aug–Dec 1987 5-Month	-0.28	-0.02	-0.26	73rd Wettest	Wettest since: 1986	1998
Jul–Dec 1987 6-Month	0.14	-0.03	0.17	79th Driest	Driest since: 1984	1917
	0.14	-0.03	0.17	52nd Wettest	Wettest since: 1986	1919
	Ties: 1949
Jun–Dec 1987 7-Month	0.99	-0.05	1.04	108th Driest	Driest since: 1986	1917
Jun–Dec 1987 7-Month	0.99	-0.05	1.04	23rd Wettest	Wettest since: 1981	1919
May–Dec 1987 8-Month	1.11	-0.04	1.15	110th Driest	Driest since: 1986	1917
	1.11	-0.04	1.15	21st Wettest	Wettest since: 1981	1919
	Ties: 1974
Apr–Dec 1987 9-Month	0.83	-0.03	0.86	106th Driest	Driest since: 1986	2011
	0.83	-0.03	0.86	25th Wettest	Wettest since: 1981	1919
	Ties: 1929
Mar–Dec 1987 10-Month	0.71	-0.01	0.72	101st Driest	Driest since: 1986	2011
Mar–Dec 1987 10-Month	0.71	-0.01	0.72	30th Wettest	Wettest since: 1981	1919
Feb–Dec 1987 11-Month	0.90	-0.02	0.92	108th Driest	Driest since: 1986	2011
Feb–Dec 1987 11-Month	0.90	-0.02	0.92	23rd Wettest	Wettest since: 1981	1919
Jan–Dec 1987 12-Month	0.83	-0.03	0.86	106th Driest	Driest since: 1986	1917
Jan–Dec 1987 12-Month	0.83	-0.03	0.86	25th Wettest	Wettest since: 1981	1919
Jul 1986–Dec 1987 18-Month	0.79	-0.03	0.82	110th Driest	Driest since: 1986	1956
Jul 1986–Dec 1987 18-Month	0.79	-0.03	0.82	20th Wettest	Wettest since: 1979	1919
Jan 1986–Dec 1987 24-Month	0.47	-0.03	0.50	103rd Driest	Driest since: 1986	1917
Jan 1986–Dec 1987 24-Month	0.47	-0.03	0.50	27th Wettest	Wettest since: 1979	1992
Jan 1985–Dec 1987 36-Month	0.52	-0.02	0.54	106th Driest	Driest since: 1986	1956
Jan 1985–Dec 1987 36-Month	0.52	-0.02	0.54	23rd Wettest	Wettest since: 1981	1993
Jan 1984–Dec 1987 48-Month	0.20	-0.03	0.23	90th Driest	Driest since: 1986	1956
Jan 1984–Dec 1987 48-Month	0.20	-0.03	0.23	38th Wettest	Wettest since: 1982	1976
Jan 1983–Dec 1987 60-Month	0.27	-0.03	0.30	100th Driest	Driest since: 1986	1956
	0.27	-0.03	0.30	27th Wettest	Wettest since: 1983	1976
	Ties: 1945, 1968

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 1987 Palmer Z-Index Rankings

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