Value Anomaly Rank Mean

Divisional Palmer Z-Index

August - October 1905

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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 1905 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	0.10	0.19	79	-0.09
2. Willamette Valley	0.31	0.37	82	-0.07
3. Southwestern Valleys	-0.69	-0.63	41	-0.06
4. Northern Cascades	0.38	0.43	86	-0.05
5. High Plateau	-0.47	-0.47	47	0.01
6. North Central	0.92	0.94	114	-0.02
7. South Central	-0.33	-0.38	58	0.05
8. Northeast	-0.22	-0.16	70	-0.06
9. Southeast	-1.08	-1.07	22	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on August 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping