ValueAnomalyRankMean

Divisional Palmer Z-Index

August - October 1951

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.31

Anomaly: 0.34

Rank: 41st Wettest

Mean: -0.03

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August - October 1951 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	0.76	0.85	103	-0.09
2. Willamette Valley	0.65	0.72	99	-0.07
3. Southwestern Valleys	0.37	0.43	93	-0.06
4. Northern Cascades	0.53	0.58	95	-0.05
5. High Plateau	0.00	0.00	71	0.01
6. North Central	0.20	0.22	82	-0.02
7. South Central	-0.26	-0.31	61	0.05
8. Northeast	-0.15	-0.09	73	-0.06
9. Southeast	0.19	0.20	80	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping