ValueAnomalyRankMean

Divisional Palmer Z-Index

November 1901 - January 1902

-4-3-2-11234

Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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November 1901 - January 1902 Idaho Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Panhandle	-1.76	-1.55	13	-0.21
2. North Central Prairies	-1.68	-1.73	15	0.05
3. North Central Canyons	-1.93	-2.09	15	0.16
4. Central Mountains	-1.55	-1.56	18	0.01
5. Southwestern Valleys	-1.51	-1.50	18	-0.01
6. Southwestern Highlands	-1.53	-1.54	19	0.01
7. Central Plains	-1.63	-1.65	13	0.01
8. Northeastern Valleys	0.97	0.79	100	0.17
9. Upper Snake River Plains	-0.94	-0.93	31	-0.01
10. Eastern Highlands	-2.17	-2.10	17	-0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping