ValueRankAnomalyMean

Divisional Palmer Z-Index

August - October 1898

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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August - October 1898 Oregon Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Coastal Area	0.37	92	0.46	-0.09
2. Willamette Valley	0.32	84	0.39	-0.07
3. Southwestern Valleys	0.12	76	0.18	-0.06
4. Northern Cascades	-0.14	69	-0.09	-0.05
5. High Plateau	0.18	79	0.18	0.01
6. North Central	-0.77	35	-0.75	-0.02
7. South Central	-0.91	29	-0.96	0.05
8. Northeast	-0.74	37	-0.68	-0.06
9. Southeast	-0.74	37	-0.72	-0.01

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