ValueRankAnomalyMean

Divisional Palmer Z-Index

December 1938 - February 1939

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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December 1938 - February 1939 Oregon Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Coastal Area	-0.68	44	-0.64	-0.04
2. Willamette Valley	-0.62	42	-0.57	-0.05
3. Southwestern Valleys	-0.96	33	-0.93	-0.03
4. Northern Cascades	-0.09	63	-0.03	-0.07
5. High Plateau	-1.25	21	-1.28	0.02
6. North Central	-2.44	9	-2.51	0.07
7. South Central	-1.85	16	-1.93	0.08
8. Northeast	-1.07	24	-1.18	0.11
9. Southeast	-1.17	30	-1.29	0.12

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 15, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping