Value Anomaly Rank Mean

Divisional Palmer Z-Index Anomaly (1901-2000 mean)

September - November 1978

-7-5-3-11357

Washington (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

Text Labels

Download: CSV JSON XML

*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

September - November 1978 Washington Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Olympic Coast	0.28	0.25	80	0.02
2. North East Olympic San Juan	0.01	-0.06	59	0.07
3. Puget Sound Lowlands	0.95	1.00	100	-0.05
4. East Olympic Cascade Foothills	-0.10	-0.09	53	-0.01
5. Cascade Mountains West	-0.51	-0.52	38	0.00
6. East Slope Cascades	-0.52	-0.55	41	0.04
7. Okanogan Big Bend	-0.54	-0.52	39	-0.02
8. Central Basin	-0.46	-0.51	42	0.05
9. Northeastern	-0.63	-0.57	46	-0.06
10. Palouse Blue Mountains	-0.38	-0.44	51	0.06

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping