ValueAnomalyRankMean

Divisional Palmer Z-Index

November 2005 - January 2006

-4-3-2-11234

Washington (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 1.49

Anomaly: 1.52

Rank: 15th Wettest

Mean: -0.03

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November 2005 - January 2006 Washington Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Olympic Coast	0.58	0.59	92	-0.01
2. North East Olympic San Juan	0.46	0.41	77	0.05
3. Puget Sound Lowlands	1.60	1.65	117	-0.04
4. East Olympic Cascade Foothills	1.09	1.10	105	-0.01
5. Cascade Mountains West	0.57	0.61	94	-0.03
6. East Slope Cascades	1.28	1.29	106	-0.01
7. Okanogan Big Bend	2.58	2.58	123	0.00
8. Central Basin	2.31	2.25	119	0.06
9. Northeastern	1.99	2.12	121	-0.13
10. Palouse Blue Mountains	0.08	0.01	71	0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping