ValueRankAnomalyMean

Divisional Palmer Z-Index

November 1907 - January 1908

-4-3-2-11234

Wyoming (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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November 1907 - January 1908 Wyoming Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Yellowstone Drainage	-0.90	29	-0.99	0.09
2. Snake Drainage	-0.88	35	-0.80	-0.07
3. Green and Bear Drainage	-0.64	49	-0.52	-0.11
4. Big Horn	-0.92	29	-0.99	0.07
5. Powder, Little Mo and Tongue Drainages	-0.37	50	-0.49	0.12
6. Belle Fourche Drainage	-0.45	36	-0.69	0.24
7. Cheyenne Niobrara Drainage	0.28	78	0.14	0.14
8. Lower Platte	0.10	66	-0.05	0.15
9. Wind River	-0.58	43	-0.62	0.04
10. Upper Platte	-1.35	16	-1.38	0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping