ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1993

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -2.13

Anomaly: -2.03

Rank: 10th Driest

Mean: -0.10

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October - December 1993 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-1.26	-1.15	15	-0.11
2. Willamette Valley	-1.57	-1.49	12	-0.08
3. Southwestern Valleys	-1.66	-1.53	9	-0.13
4. Northern Cascades	-1.68	-1.59	7	-0.09
5. High Plateau	-1.58	-1.46	16	-0.11
6. North Central	-2.28	-2.29	4	0.01
7. South Central	-1.09	-1.06	34	-0.03
8. Northeast	-1.62	-1.64	18	0.03
9. Southeast	-0.80	-0.77	38	-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