ValueAnomalyRankMean

Divisional Palmer Z-Index Rank (130 years)

September - November 1939

Driest⇣⅒⇣ ⅓Near Normal⇡ ⅓⇡⅒Wettest

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1939 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-1.96	-1.97	6	0.00
2. Willamette Valley	-2.00	-2.03	6	0.03
3. Southwestern Valleys	-1.67	-1.65	8	-0.02
4. Northern Cascades	-1.79	-1.81	7	0.02
5. High Plateau	-1.58	-1.60	11	0.02
6. North Central	-2.48	-2.54	2	0.07
7. South Central	-1.45	-1.52	10	0.07
8. Northeast	-1.95	-1.95	8	0.01
9. Southeast	-0.56	-0.54	42	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping