Climate at a Glance | Divisional Mapping | National Centers for Environmental Information (NCEI)

Divisional Mapping

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Year:

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Time Scale:

Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.

ValueRankAnomalyMean

Divisional Palmer Z-Index

August - October 1913

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 1.13

Rank: 17th Wettest

Anomaly: 1.16

Mean: -0.03

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August - October 1913 Oregon Divisional Palmer Z-Index
Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Coastal Area	0.48	95	0.57	-0.09
2. Willamette Valley	0.75	104	0.82	-0.07
3. Southwestern Valleys	0.75	106	0.81	-0.06
4. Northern Cascades	0.53	95	0.59	-0.05
5. High Plateau	0.72	104	0.72	0.01
6. North Central	0.72	104	0.74	-0.02
7. South Central	1.14	114	1.09	0.05
8. Northeast	1.48	121	1.54	-0.06
9. Southeast	0.93	111	0.94	-0.01

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on July 7, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping

Climate at a Glance Divisional Mapping

Divisional Mapping

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