ValueRankAnomalyMean

Divisional Palmer Z-Index

October - December 1975

-4-3-2-11234

Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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October - December 1975 Idaho Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Panhandle	0.74	103	0.98	-0.24
2. North Central Prairies	3.13	128	3.15	-0.01
3. North Central Canyons	3.66	129	3.60	0.06
4. Central Mountains	2.35	124	2.37	-0.02
5. Southwestern Valleys	1.27	115	1.31	-0.03
6. Southwestern Highlands	1.49	117	1.47	0.01
7. Central Plains	0.90	102	0.85	0.06
8. Northeastern Valleys	1.71	116	1.55	0.17
9. Upper Snake River Plains	0.49	92	0.47	0.02
10. Eastern Highlands	1.07	101	1.12	-0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on July 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping