ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1955

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1955 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	2.14	2.25	126	-0.11
2. Willamette Valley	2.51	2.59	127	-0.08
3. Southwestern Valleys	2.33	2.46	124	-0.13
4. Northern Cascades	2.27	2.36	127	-0.09
5. High Plateau	2.47	2.59	125	-0.11
6. North Central	3.10	3.09	126	0.01
7. South Central	1.82	1.84	119	-0.03
8. Northeast	2.15	2.12	126	0.03
9. Southeast	1.09	1.12	111	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping