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 1997 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1997 1-Month	2.54	0.03	2.51	122nd Driest	Driest since: 1996	2021
December 1997 1-Month	2.54	0.03	2.51	9th Wettest	Wettest since: 1991	1991
Nov–Dec 1997 2-Month	1.05	0.10	0.95	98th Driest	Driest since: 1996	2021
Nov–Dec 1997 2-Month	1.05	0.10	0.95	33rd Wettest	Wettest since: 1992	1913
Oct–Dec 1997 3-Month	0.52	0.08	0.44	90th Driest	Driest since: 1996	1921
Oct–Dec 1997 3-Month	0.52	0.08	0.44	41st Wettest	Wettest since: 1991	2018
Sep–Dec 1997 4-Month	0.19	0.03	0.16	79th Driest	Driest since: 1995	2021
Sep–Dec 1997 4-Month	0.19	0.03	0.16	52nd Wettest	Wettest since: 1996	2018
Aug–Dec 1997 5-Month	0.61	0.05	0.56	99th Driest	Driest since: 1994	1956
Aug–Dec 1997 5-Month	0.61	0.05	0.56	32nd Wettest	Wettest since: 1996	1986
Jul–Dec 1997 6-Month	1.13	0.07	1.06	105th Driest	Driest since: 1996	1954, 1956
Jul–Dec 1997 6-Month	1.13	0.07	1.06	26th Wettest	Wettest since: 1991	1941
Jun–Dec 1997 7-Month	1.66	0.09	1.57	114th Driest	Driest since: 1996	1956
Jun–Dec 1997 7-Month	1.66	0.09	1.57	17th Wettest	Wettest since: 1992	1941
May–Dec 1997 8-Month	1.58	0.06	1.52	115th Driest	Driest since: 1996	1956
May–Dec 1997 8-Month	1.58	0.06	1.52	16th Wettest	Wettest since: 1992	1941
Apr–Dec 1997 9-Month	2.07	0.09	1.98	122nd Driest	Driest since: 1996	2011
Apr–Dec 1997 9-Month	2.07	0.09	1.98	9th Wettest	Wettest since: 1941	1941
Mar–Dec 1997 10-Month	1.73	0.08	1.65	119th Driest	Driest since: 1996	2011
Mar–Dec 1997 10-Month	1.73	0.08	1.65	12th Wettest	Wettest since: 1957	1941
Feb–Dec 1997 11-Month	1.94	0.06	1.88	127th Driest	Driest since: 1996	2011
Feb–Dec 1997 11-Month	1.94	0.06	1.88	4th Wettest	Wettest since: 1941	1941
Jan–Dec 1997 12-Month	1.71	0.05	1.66	122nd Driest	Driest since: 1996	2011
Jan–Dec 1997 12-Month	1.71	0.05	1.66	9th Wettest	Wettest since: 1992	1941
Jul 1996–Dec 1997 18-Month	1.39	0.06	1.33	122nd Driest	Driest since: 1996	1956
Jul 1996–Dec 1997 18-Month	1.39	0.06	1.33	8th Wettest	Wettest since: 1992	1992
Jan 1996–Dec 1997 24-Month	0.56	0.06	0.50	104th Driest	Driest since: 1996	2012
Jan 1996–Dec 1997 24-Month	0.56	0.06	0.50	26th Wettest	Wettest since: 1993	1920
Jan 1995–Dec 1997 36-Month	0.65	0.06	0.59	114th Driest	Driest since: 1996	2013
Jan 1995–Dec 1997 36-Month	0.65	0.06	0.59	15th Wettest	Wettest since: 1993	1915, 1992
Jan 1994–Dec 1997 48-Month	0.33	0.07	0.26	91st Driest	Driest since: 1996	1954
	0.33	0.07	0.26	37th Wettest	Wettest since: 1995	1908
	Ties: 1920
Jan 1993–Dec 1997 60-Month	0.35	0.07	0.28	96th Driest	Driest since: 1990	1956
Jan 1993–Dec 1997 60-Month	0.35	0.07	0.28	31st Wettest	Wettest since: 1996	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 1997 Palmer Z-Index Rankings

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