Value Anomaly Rank Mean

Divisional Palmer Z-Index

October - December 1901

-4-3-2-11234

Montana (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

Text Labels

Download: CSV JSON XML

*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

October - December 1901 Montana Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Western	-1.40	-1.40	26	0.00
2. Southwestern	0.23	-0.04	71	0.27
3. North Central	-0.87	-0.95	18	0.08
4. Central	-0.36	-0.48	37	0.12
5. South Central	-1.19	-1.29	16	0.10
6. Northeastern	-0.04	-0.16	54	0.11
7. Southeastern	-0.75	-0.81	23	0.06

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping