ValueAnomalyRankMean

Divisional Palmer Z-Index

November 1989 - January 1990

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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November 1989 - January 1990 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-1.10	-1.07	21	-0.03
2. Willamette Valley	-0.80	-0.77	35	-0.03
3. Southwestern Valleys	-1.54	-1.48	17	-0.05
4. Northern Cascades	-0.69	-0.64	37	-0.05
5. High Plateau	-1.89	-1.84	16	-0.05
6. North Central	-2.28	-2.34	17	0.06
7. South Central	-2.39	-2.41	10	0.01
8. Northeast	-2.64	-2.77	6	0.13
9. Southeast	-2.23	-2.25	4	0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping