ValueRankAnomalyMean

Divisional Palmer Z-Index

October - December 1977

-4-3-2-11234

Washington (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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October - December 1977 Washington Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. West Olympic Coast	0.42	82	0.46	-0.04
2. North East Olympic San Juan	-0.51	53	-0.56	0.05
3. Puget Sound Lowlands	0.24	72	0.33	-0.09
4. East Olympic Cascade Foothills	0.75	98	0.81	-0.06
5. Cascade Mountains West	1.19	109	1.26	-0.07
6. East Slope Cascades	1.54	115	1.58	-0.04
7. Okanogan Big Bend	0.31	79	0.37	-0.06
8. Central Basin	0.43	88	0.41	0.02
9. Northeastern	-0.18	67	0.00	-0.19
10. Palouse Blue Mountains	0.11	69	0.09	0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping