ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1903

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.14

Anomaly: 0.24

Rank: 57th Wettest

Mean: -0.10

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October - December 1903 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-0.13	-0.02	66	-0.11
2. Willamette Valley	-0.41	-0.33	50	-0.08
3. Southwestern Valleys	0.05	0.18	79	-0.13
4. Northern Cascades	-0.55	-0.46	46	-0.09
5. High Plateau	0.30	0.41	84	-0.11
6. North Central	0.82	0.82	92	0.01
7. South Central	1.03	1.06	109	-0.03
8. Northeast	1.82	1.79	116	0.03
9. Southeast	0.88	0.91	105	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping