ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1992

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Idaho (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.57

Anomaly: -0.56

Rank: 46th Driest

Mean: -0.01

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October - December 1992 Idaho Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Panhandle	-0.91	-0.67	44	-0.24
2. North Central Prairies	-1.10	-1.08	39	-0.01
3. North Central Canyons	-1.04	-1.10	35	0.06
4. Central Mountains	-0.55	-0.53	49	-0.02
5. Southwestern Valleys	0.29	0.32	83	-0.03
6. Southwestern Highlands	0.66	0.65	100	0.01
7. Central Plains	0.16	0.10	78	0.06
8. Northeastern Valleys	-0.04	-0.21	61	0.17
9. Upper Snake River Plains	0.25	0.23	83	0.02
10. Eastern Highlands	-0.22	-0.17	60	-0.05

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