ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 2009

-4-3-2-11234

Washington (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.17

Anomaly: 0.24

Rank: 64th Wettest

Mean: -0.07

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October - December 2009 Washington Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Olympic Coast	0.66	0.69	93	-0.04
2. North East Olympic San Juan	2.28	2.23	116	0.05
3. Puget Sound Lowlands	0.67	0.76	90	-0.09
4. East Olympic Cascade Foothills	0.28	0.34	77	-0.06
5. Cascade Mountains West	0.06	0.12	72	-0.07
6. East Slope Cascades	-0.31	-0.27	54	-0.04
7. Okanogan Big Bend	-0.32	-0.26	55	-0.06
8. Central Basin	-0.38	-0.39	52	0.02
9. Northeastern	0.20	0.39	80	-0.19
10. Palouse Blue Mountains	-0.44	-0.46	55	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