ValueRankAnomalyMean

Divisional Palmer Z-Index

July - September 1900

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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July - September 1900 Oregon Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Coastal Area	0.07	84	0.09	-0.02
2. Willamette Valley	0.51	98	0.50	0.01
3. Southwestern Valleys	0.30	89	0.25	0.05
4. Northern Cascades	0.50	95	0.46	0.04
5. High Plateau	0.03	74	-0.08	0.11
6. North Central	0.29	88	0.27	0.03
7. South Central	0.67	98	0.52	0.15
8. Northeast	0.18	84	0.19	-0.01
9. Southeast	0.33	83	0.29	0.04

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