ValueAnomalyRankMean

Divisional Palmer Z-Index

November 2022 - January 2023

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Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.71

Anomaly: -0.68

Rank: 46th Driest

Mean: -0.03

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November 2022 - January 2023 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-0.12	-0.10	63	-0.03
2. Willamette Valley	-0.59	-0.56	43	-0.03
3. Southwestern Valleys	-0.52	-0.47	58	-0.05
4. Northern Cascades	-0.50	-0.45	46	-0.05
5. High Plateau	-0.31	-0.26	65	-0.05
6. North Central	-0.07	-0.13	66	0.06
7. South Central	0.09	0.08	76	0.01
8. Northeast	-0.50	-0.63	49	0.13
9. Southeast	1.58	1.55	112	0.02

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