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 1947 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1947 1-Month	0.22	0.23	-0.01	73rd Driest	Driest since: 1946	1970
December 1947 1-Month	0.22	0.23	-0.01	58th Wettest	Wettest since: 1944	1991
Nov–Dec 1947 2-Month	0.25	0.16	0.09	77th Driest	Driest since: 1945	2012
Nov–Dec 1947 2-Month	0.25	0.16	0.09	54th Wettest	Wettest since: 1946	1940
Oct–Dec 1947 3-Month	-0.76	0.16	-0.92	38th Driest	Driest since: 1945	1950
Oct–Dec 1947 3-Month	-0.76	0.16	-0.92	93rd Wettest	Wettest since: 1946	1960
Sep–Dec 1947 4-Month	-1.30	0.03	-1.33	21st Driest	Driest since: 1939	2024
Sep–Dec 1947 4-Month	-1.30	0.03	-1.33	110th Wettest	Wettest since: 1946	1913
Aug–Dec 1947 5-Month	-0.74	-0.02	-0.72	39th Driest	Driest since: 1939	2024
Aug–Dec 1947 5-Month	-0.74	-0.02	-0.72	92nd Wettest	Wettest since: 1946	1998
Jul–Dec 1947 6-Month	-0.87	-0.03	-0.84	36th Driest	Driest since: 1939	1917
Jul–Dec 1947 6-Month	-0.87	-0.03	-0.84	95th Wettest	Wettest since: 1946	1919
Jun–Dec 1947 7-Month	-0.88	-0.05	-0.83	36th Driest	Driest since: 1939	1917
Jun–Dec 1947 7-Month	-0.88	-0.05	-0.83	95th Wettest	Wettest since: 1946	1919
May–Dec 1947 8-Month	-0.66	-0.04	-0.62	45th Driest	Driest since: 1939	1917
May–Dec 1947 8-Month	-0.66	-0.04	-0.62	86th Wettest	Wettest since: 1946	1919
Apr–Dec 1947 9-Month	-0.59	-0.03	-0.56	46th Driest	Driest since: 1943	2011
Apr–Dec 1947 9-Month	-0.59	-0.03	-0.56	85th Wettest	Wettest since: 1946	1919
Mar–Dec 1947 10-Month	-0.41	-0.01	-0.40	55th Driest	Driest since: 1943	2011
	-0.41	-0.01	-0.40	76th Wettest	Wettest since: 1946	1919
	Ties: 1902
Feb–Dec 1947 11-Month	-0.47	-0.02	-0.45	50th Driest	Driest since: 1943	2011
Feb–Dec 1947 11-Month	-0.47	-0.02	-0.45	81st Wettest	Wettest since: 1946	1919
Jan–Dec 1947 12-Month	-0.32	-0.03	-0.29	60th Driest	Driest since: 1943	1917
Jan–Dec 1947 12-Month	-0.32	-0.03	-0.29	71st Wettest	Wettest since: 1946	1919
Jul 1946–Dec 1947 18-Month	0.24	-0.03	0.27	82nd Driest	Driest since: 1945	1956
Jul 1946–Dec 1947 18-Month	0.24	-0.03	0.27	48th Wettest	Wettest since: 1946	1919
Jan 1946–Dec 1947 24-Month	0.45	-0.03	0.48	101st Driest	Driest since: 1945	1917
Jan 1946–Dec 1947 24-Month	0.45	-0.03	0.48	29th Wettest	Wettest since: 1946	1992
Jan 1945–Dec 1947 36-Month	0.29	-0.02	0.31	93rd Driest	Driest since: 1945	1956
Jan 1945–Dec 1947 36-Month	0.29	-0.02	0.31	36th Wettest	Wettest since: 1946	1993
Jan 1944–Dec 1947 48-Month	0.37	-0.03	0.40	107th Driest	Driest since: 1946	1956
Jan 1944–Dec 1947 48-Month	0.37	-0.03	0.40	21st Wettest	Wettest since: 1938	1976
Jan 1943–Dec 1947 60-Month	0.13	-0.03	0.16	83rd Driest	Driest since: 1943	1956
	0.13	-0.03	0.16	44th Wettest	Wettest since: 1946	1976
	Ties: 1935

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 1947 Palmer Z-Index Rankings

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