ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1964

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Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 2.31

Anomaly: 2.41

Rank: 7th Wettest

Mean: -0.10

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October - December 1964 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	0.95	1.06	110	-0.11
2. Willamette Valley	1.56	1.64	122	-0.08
3. Southwestern Valleys	2.52	2.65	127	-0.13
4. Northern Cascades	1.80	1.89	124	-0.09
5. High Plateau	3.42	3.53	129	-0.11
6. North Central	2.80	2.79	124	0.01
7. South Central	2.97	3.00	129	-0.03
8. Northeast	1.82	1.79	116	0.03
9. Southeast	1.40	1.43	117	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping