ValueAnomalyRankMean

Divisional Palmer Z-Index

August - October 1900

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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August - October 1900 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	1.10	1.19	113	-0.09
2. Willamette Valley	1.14	1.20	115	-0.07
3. Southwestern Valleys	1.15	1.21	118	-0.06
4. Northern Cascades	1.33	1.38	117	-0.05
5. High Plateau	1.40	1.39	124	0.01
6. North Central	1.83	1.85	125	-0.02
7. South Central	2.14	2.09	129	0.05
8. Northeast	1.65	1.71	122	-0.06
9. Southeast	1.22	1.23	117	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping