Value Anomaly Rank Mean

Divisional Palmer Z-Index

November 1988 - January 1989

-4-3-2-11234

Texas (Hover over a Climate Division)

Z-Index Palmer Z-Index : -1.07

Anomaly: -1.08

Rank: 35th Driest

Mean: 0.00

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

November 1988 - January 1989 Texas Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. High Plains	-1.10	-1.18	12	0.08
2. Low Rolling Plains	-1.13	-1.15	21	0.02
3. North Central	-0.68	-0.68	41	0.00
4. East Texas	0.24	0.34	77	-0.10
5. Trans Pecos	-1.06	-1.03	21	-0.03
6. Edwards Plateau	-0.83	-0.84	37	0.01
7. South Central	-1.06	-1.07	31	0.01
8. Upper Coast	-1.41	-1.40	20	-0.01
9. South	-1.41	-1.40	9	-0.01
10. Lower Valley	-1.76	-1.75	2	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on August 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping