ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1980

-4-3-2-11234

Montana (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1980 Montana Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Western	0.58	0.58	91	0.00
2. Southwestern	0.10	-0.17	62	0.27
3. North Central	0.25	0.18	78	0.08
4. Central	0.12	0.00	61	0.12
5. South Central	-0.21	-0.32	46	0.10
6. Northeastern	0.74	0.63	99	0.11
7. Southeastern	0.33	0.27	87	0.06

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