ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1963

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Montana (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.29

Anomaly: -1.42

Rank: 15th Driest

Mean: 0.13

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October - December 1963 Montana Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Western	-1.17	-1.16	31	0.00
2. Southwestern	-0.63	-0.90	37	0.27
3. North Central	-1.18	-1.26	9	0.08
4. Central	-0.86	-0.98	25	0.12
5. South Central	-1.45	-1.55	12	0.10
6. Northeastern	-1.50	-1.61	1	0.11
7. Southeastern	-1.50	-1.56	3	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