ValueAnomalyRankMean

Divisional Palmer Z-Index Rank (130 years)

October - December 1911

Driest⇣⅒⇣ ⅓Near Normal⇡ ⅓⇡⅒Wettest

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1911 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-1.53	-1.42	12	-0.11
2. Willamette Valley	-1.42	-1.34	15	-0.08
3. Southwestern Valleys	-1.03	-0.90	32	-0.13
4. Northern Cascades	-1.37	-1.28	15	-0.09
5. High Plateau	-1.02	-0.91	37	-0.11
6. North Central	-1.64	-1.65	17	0.01
7. South Central	-0.60	-0.58	48	-0.03
8. Northeast	-0.37	-0.39	53	0.03
9. Southeast	0.06	0.08	65	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping