ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1955

-4-3-2-11234

Washington (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1955 Washington Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Olympic Coast	1.33	1.31	120	0.02
2. North East Olympic San Juan	1.49	1.42	108	0.07
3. Puget Sound Lowlands	1.87	1.92	125	-0.05
4. East Olympic Cascade Foothills	2.11	2.12	128	-0.01
5. Cascade Mountains West	2.31	2.30	129	0.00
6. East Slope Cascades	2.45	2.41	128	0.04
7. Okanogan Big Bend	0.81	0.83	108	-0.02
8. Central Basin	1.76	1.70	123	0.05
9. Northeastern	1.20	1.25	112	-0.06
10. Palouse Blue Mountains	2.64	2.58	127	0.06

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping