ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1926

-4-3-2-11234

Washington (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.09

Anomaly: -0.02

Rank: 55th Driest

Mean: -0.07

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October - December 1926 Washington Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Olympic Coast	-0.14	-0.10	59	-0.04
2. North East Olympic San Juan	-1.08	-1.13	32	0.05
3. Puget Sound Lowlands	-0.92	-0.83	33	-0.09
4. East Olympic Cascade Foothills	-0.45	-0.39	48	-0.06
5. Cascade Mountains West	-0.32	-0.25	53	-0.07
6. East Slope Cascades	0.12	0.16	71	-0.04
7. Okanogan Big Bend	0.21	0.27	73	-0.06
8. Central Basin	2.10	2.08	125	0.02
9. Northeastern	-0.15	0.03	68	-0.19
10. Palouse Blue Mountains	1.43	1.41	108	0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping