ValueRankAnomalyMean

Divisional Palmer Z-Index

December 1947 - February 1948

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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December 1947 - February 1948 Oregon Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Coastal Area	0.02	69	0.06	-0.04
2. Willamette Valley	0.24	85	0.29	-0.05
3. Southwestern Valleys	0.05	73	0.09	-0.04
4. Northern Cascades	0.49	91	0.56	-0.07
5. High Plateau	-0.51	54	-0.53	0.02
6. North Central	1.78	113	1.71	0.07
7. South Central	-0.46	51	-0.54	0.08
8. Northeast	0.24	70	0.12	0.11
9. Southeast	-1.53	15	-1.65	0.12

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