ValueRankAnomalyMean

Divisional Palmer Z-Index

January - March 1908

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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January - March 1908 Oregon Divisional Palmer Z-Index

Climate Division	Value	Rank 131 Years	Anomaly	1901-2000 Mean
1. Coastal Area	-0.98	37	-0.90	-0.08
2. Willamette Valley	-1.16	28	-1.10	-0.07
3. Southwestern Valleys	-1.19	33	-1.14	-0.05
4. Northern Cascades	-0.67	46	-0.57	-0.10
5. High Plateau	-0.56	53	-0.60	0.04
6. North Central	-0.68	38	-0.72	0.04
7. South Central	-0.27	52	-0.37	0.10
8. Northeast	-1.70	12	-1.74	0.04
9. Southeast	-2.30	8	-2.42	0.12

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 12, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping