Value Anomaly Rank Mean

Divisional Palmer Z-Index

September - November 1990

-4-3-2-11234

Texas (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

September - November 1990 Texas Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. High Plains	-0.30	-0.40	60	0.09
2. Low Rolling Plains	0.10	0.08	75	0.03
3. North Central	0.18	0.21	81	-0.03
4. East Texas	0.38	0.47	88	-0.09
5. Trans Pecos	2.15	2.22	119	-0.07
6. Edwards Plateau	0.91	0.86	97	0.04
7. South Central	-0.76	-0.73	44	-0.03
8. Upper Coast	-0.83	-0.77	38	-0.06
9. South	-0.25	-0.21	72	-0.04
10. Lower Valley	-1.08	-1.08	29	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 25, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping