ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1945

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Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.40

Anomaly: 0.41

Rank: 50th Wettest

Mean: -0.01

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October - December 1945 Idaho Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Panhandle	0.59	0.82	96	-0.24
2. North Central Prairies	0.03	0.04	70	-0.01
3. North Central Canyons	-0.63	-0.70	49	0.06
4. Central Mountains	0.41	0.43	87	-0.02
5. Southwestern Valleys	0.91	0.95	106	-0.03
6. Southwestern Highlands	0.63	0.62	95	0.01
7. Central Plains	0.16	0.10	78	0.06
8. Northeastern Valleys	-0.50	-0.67	43	0.17
9. Upper Snake River Plains	-0.41	-0.43	48	0.02
10. Eastern Highlands	0.62	0.67	91	-0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping