ValueRankAnomalyMean

Divisional Palmer Z-Index

November 1997 - January 1998

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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November 1997 - January 1998 Oregon Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Coastal Area	-0.47	49	-0.44	-0.03
2. Willamette Valley	-1.11	26	-1.08	-0.03
3. Southwestern Valleys	-0.75	49	-0.70	-0.05
4. Northern Cascades	-1.18	20	-1.13	-0.05
5. High Plateau	-0.07	72	-0.02	-0.05
6. North Central	-1.35	29	-1.41	0.06
7. South Central	-0.78	46	-0.79	0.01
8. Northeast	-1.04	35	-1.17	0.13
9. Southeast	-0.62	51	-0.64	0.02

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