ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 2009

-4-3-2-11234

Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 2009 Idaho Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Panhandle	-0.46	-0.23	61	-0.24
2. North Central Prairies	-1.26	-1.25	33	-0.01
3. North Central Canyons	-1.24	-1.30	27	0.06
4. Central Mountains	-0.55	-0.53	49	-0.02
5. Southwestern Valleys	0.33	0.37	86	-0.03
6. Southwestern Highlands	0.16	0.15	69	0.01
7. Central Plains	0.20	0.14	79	0.06
8. Northeastern Valleys	0.53	0.36	86	0.17
9. Upper Snake River Plains	-0.40	-0.42	50	0.02
10. Eastern Highlands	-0.66	-0.62	42	-0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping