ValueAnomalyRankMean

Divisional Palmer Z-Index

November 1911 - January 1912

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Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.57

Anomaly: 0.54

Rank: 41st Wettest

Mean: 0.03

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November 1911 - January 1912 Idaho Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Panhandle	-0.82	-0.61	42	-0.21
2. North Central Prairies	-0.38	-0.43	54	0.05
3. North Central Canyons	-0.14	-0.30	61	0.16
4. Central Mountains	-0.23	-0.25	63	0.01
5. Southwestern Valleys	0.22	0.23	85	-0.01
6. Southwestern Highlands	1.25	1.24	109	0.01
7. Central Plains	0.78	0.77	99	0.01
8. Northeastern Valleys	1.55	1.38	109	0.17
9. Upper Snake River Plains	0.95	0.96	105	-0.01
10. Eastern Highlands	0.81	0.88	96	-0.07

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