ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1933

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.24

Anomaly: -1.14

Rank: 31st Driest

Mean: -0.10

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October - December 1933 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-0.48	-0.37	45	-0.11
2. Willamette Valley	0.03	0.12	74	-0.08
3. Southwestern Valleys	-1.14	-1.01	20	-0.13
4. Northern Cascades	-0.60	-0.51	42	-0.09
5. High Plateau	-1.71	-1.60	10	-0.11
6. North Central	-0.32	-0.33	52	0.01
7. South Central	-1.85	-1.83	8	-0.03
8. Northeast	-1.07	-1.10	33	0.03
9. Southeast	-1.43	-1.40	12	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping