ValueRankAnomalyMean

Divisional Palmer Z-Index

October - December 1969

-4-3-2-11234

Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.31

Rank: 26th Driest

Anomaly: -1.30

Mean: -0.01

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October - December 1969 Idaho Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Panhandle	-1.77	14	-1.53	-0.24
2. North Central Prairies	-1.36	28	-1.34	-0.01
3. North Central Canyons	-1.13	34	-1.19	0.06
4. Central Mountains	-1.51	20	-1.49	-0.02
5. Southwestern Valleys	-0.47	46	-0.44	-0.03
6. Southwestern Highlands	0.10	64	0.09	0.01
7. Central Plains	-0.29	50	-0.34	0.06
8. Northeastern Valleys	-0.84	30	-1.01	0.17
9. Upper Snake River Plains	0.02	72	0.00	0.02
10. Eastern Highlands	-0.60	46	-0.55	-0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping