ValueRankAnomalyMean

Divisional Palmer Z-Index

November 1983 - January 1984

-4-3-2-11234

Washington (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.82

Rank: 36th Wettest

Anomaly: 0.85

Mean: -0.03

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November 1983 - January 1984 Washington Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. West Olympic Coast	0.60	96	0.61	-0.01
2. North East Olympic San Juan	1.38	103	1.33	0.05
3. Puget Sound Lowlands	0.79	96	0.83	-0.04
4. East Olympic Cascade Foothills	0.52	92	0.53	-0.01
5. Cascade Mountains West	0.36	88	0.39	-0.03
6. East Slope Cascades	0.57	91	0.59	-0.01
7. Okanogan Big Bend	3.24	129	3.24	0.00
8. Central Basin	1.92	118	1.86	0.06
9. Northeastern	1.87	117	2.00	-0.13
10. Palouse Blue Mountains	0.86	94	0.80	0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping