Value Anomaly Rank Mean

Divisional Palmer Z-Index

August - October 1937

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

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**Insufficient variability in the data record renders rank insignificant

August - October 1937 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	0.06	0.15	77	-0.09
2. Willamette Valley	0.17	0.24	78	-0.07
3. Southwestern Valleys	0.49	0.55	99	-0.06
4. Northern Cascades	0.22	0.27	81	-0.05
5. High Plateau	-0.09	-0.10	68	0.01
6. North Central	-0.47	-0.45	48	-0.02
7. South Central	-0.24	-0.30	63	0.05
8. Northeast	-0.78	-0.72	36	-0.06
9. Southeast	-1.03	-1.02	25	-0.01

Citing This Page

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