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 1939 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1939 1-Month	-0.54	0.03	-0.57	57th Driest	Driest since: 1938	2021
December 1939 1-Month	-0.54	0.03	-0.57	74th Wettest	Wettest since: 1937	1991
Nov–Dec 1939 2-Month	-0.23	0.10	-0.33	56th Driest	Driest since: 1938	2021
Nov–Dec 1939 2-Month	-0.23	0.10	-0.33	75th Wettest	Wettest since: 1936	1913
Oct–Dec 1939 3-Month	-0.70	0.08	-0.78	41st Driest	Driest since: 1938	1921
Oct–Dec 1939 3-Month	-0.70	0.08	-0.78	90th Wettest	Wettest since: 1937	2018
Sep–Dec 1939 4-Month	-1.42	0.03	-1.45	13th Driest	Driest since: 1938	2021
Sep–Dec 1939 4-Month	-1.42	0.03	-1.45	118th Wettest	Wettest since: 1937	2018
Aug–Dec 1939 5-Month	-1.17	0.05	-1.22	17th Driest	Driest since: 1938	1956
Aug–Dec 1939 5-Month	-1.17	0.05	-1.22	114th Wettest	Wettest since: 1937	1986
Jul–Dec 1939 6-Month	-1.42	0.07	-1.49	9th Driest	Driest since: 1934	1954, 1956
Jul–Dec 1939 6-Month	-1.42	0.07	-1.49	122nd Wettest	Wettest since: 1938	1941
Jun–Dec 1939 7-Month	-1.34	0.09	-1.43	11th Driest	Driest since: 1934	1956
Jun–Dec 1939 7-Month	-1.34	0.09	-1.43	120th Wettest	Wettest since: 1938	1941
May–Dec 1939 8-Month	-1.32	0.06	-1.38	10th Driest	Driest since: 1934	1956
May–Dec 1939 8-Month	-1.32	0.06	-1.38	121st Wettest	Wettest since: 1938	1941
Apr–Dec 1939 9-Month	-1.38	0.09	-1.47	10th Driest	Driest since: 1934	2011
Apr–Dec 1939 9-Month	-1.38	0.09	-1.47	121st Wettest	Wettest since: 1938	1941
Mar–Dec 1939 10-Month	-1.30	0.08	-1.38	9th Driest	Driest since: 1934	2011
Mar–Dec 1939 10-Month	-1.30	0.08	-1.38	122nd Wettest	Wettest since: 1938	1941
Feb–Dec 1939 11-Month	-1.29	0.06	-1.35	9th Driest	Driest since: 1934	2011
Feb–Dec 1939 11-Month	-1.29	0.06	-1.35	122nd Wettest	Wettest since: 1938	1941
Jan–Dec 1939 12-Month	-1.01	0.05	-1.06	12th Driest	Driest since: 1934	2011
Jan–Dec 1939 12-Month	-1.01	0.05	-1.06	119th Wettest	Wettest since: 1938	1941
Jul 1938–Dec 1939 18-Month	-1.06	0.06	-1.12	10th Driest	Driest since: 1934	1956
Jul 1938–Dec 1939 18-Month	-1.06	0.06	-1.12	120th Wettest	Wettest since: 1938	1992
Jan 1938–Dec 1939 24-Month	-0.57	0.06	-0.63	24th Driest	Driest since: 1934	2012
Jan 1938–Dec 1939 24-Month	-0.57	0.06	-0.63	106th Wettest	Wettest since: 1938	1920
Jan 1937–Dec 1939 36-Month	-0.45	0.06	-0.51	29th Driest	Driest since: 1936	2013
Jan 1937–Dec 1939 36-Month	-0.45	0.06	-0.51	100th Wettest	Wettest since: 1938	1915, 1992
Jan 1936–Dec 1939 48-Month	-0.45	0.07	-0.52	22nd Driest	Driest since: 1936	1954
	-0.45	0.07	-0.52	106th Wettest	Wettest since: 1938	1908
	Ties: 1911, 1913
Jan 1935–Dec 1939 60-Month	-0.32	0.07	-0.39	21st Driest	Driest since: 1938	1956
Jan 1935–Dec 1939 60-Month	-0.32	0.07	-0.39	106th Wettest	Wettest since: 1936	1923

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 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 1939 Palmer Z-Index Rankings

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