ValueAnomalyRankMean

Divisional Palmer Z-Index

November 1900 - January 1901

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Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.60

Anomaly: 0.57

Rank: 40th Wettest

Mean: 0.03

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November 1900 - January 1901 Idaho Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Panhandle	0.30	0.51	86	-0.21
2. North Central Prairies	0.83	0.79	101	0.05
3. North Central Canyons	1.38	1.22	104	0.16
4. Central Mountains	0.27	0.25	83	0.01
5. Southwestern Valleys	-1.15	-1.14	27	-0.01
6. Southwestern Highlands	-0.79	-0.80	41	0.01
7. Central Plains	-0.40	-0.41	58	0.01
8. Northeastern Valleys	0.38	0.20	83	0.17
9. Upper Snake River Plains	-0.50	-0.49	52	-0.01
10. Eastern Highlands	-0.35	-0.28	60	-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