Value Anomaly Rank Mean

Divisional Palmer Z-Index

October - December 1906

-4-3-2-11234

Washington (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

Text Labels

Download: CSV JSON XML

*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

October - December 1906 Washington Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Olympic Coast	1.33	1.37	114	-0.04
2. North East Olympic San Juan	2.39	2.34	120	0.05
3. Puget Sound Lowlands	1.43	1.52	111	-0.09
4. East Olympic Cascade Foothills	1.10	1.16	107	-0.06
5. Cascade Mountains West	1.15	1.21	108	-0.07
6. East Slope Cascades	2.02	2.06	122	-0.04
7. Okanogan Big Bend	1.70	1.76	119	-0.06
8. Central Basin	1.63	1.62	117	0.02
9. Northeastern	0.56	0.75	92	-0.19
10. Palouse Blue Mountains	2.10	2.08	118	0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping