ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1918

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1918 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-1.03	-1.04	17	0.00
2. Willamette Valley	-1.02	-1.05	22	0.03
3. Southwestern Valleys	-0.14	-0.12	60	-0.02
4. Northern Cascades	-0.91	-0.93	25	0.02
5. High Plateau	1.23	1.22	119	0.02
6. North Central	0.10	0.03	74	0.07
7. South Central	0.82	0.75	105	0.07
8. Northeast	0.03	0.02	74	0.01
9. Southeast	0.98	1.00	112	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 9, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping