Value Anomaly Rank Mean

Divisional Palmer Z-Index

December 1993 - February 1994

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

December 1993 - February 1994 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-0.31	-0.27	56	-0.04
2. Willamette Valley	-0.42	-0.37	48	-0.05
3. Southwestern Valleys	-1.12	-1.09	27	-0.04
4. Northern Cascades	-0.77	-0.71	38	-0.07
5. High Plateau	-1.51	-1.54	15	0.02
6. North Central	-2.12	-2.19	15	0.07
7. South Central	-1.70	-1.78	20	0.08
8. Northeast	-0.75	-0.86	31	0.11
9. Southeast	-1.40	-1.52	20	0.12

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