ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1976

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Wyoming (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1976 Wyoming Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Yellowstone Drainage	-2.37	-2.44	8	0.07
2. Snake Drainage	-2.83	-2.73	3	-0.10
3. Green and Bear Drainage	-2.51	-2.45	2	-0.06
4. Big Horn	-0.93	-1.06	22	0.13
5. Powder, Little Mo and Tongue Drainages	0.26	0.05	76	0.21
6. Belle Fourche Drainage	0.10	-0.23	69	0.33
7. Cheyenne Niobrara Drainage	-0.19	-0.44	50	0.25
8. Lower Platte	-0.89	-1.18	18	0.30
9. Wind River	-1.24	-1.32	18	0.08
10. Upper Platte	-1.60	-1.73	6	0.13

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping