Value Anomaly Rank Mean

Divisional Palmer Z-Index

October - December 1924

-4-3-2-11234

Massachusetts (Hover over a Climate Division)

Z-Index Palmer Z-Index : -2.26

Anomaly: -2.18

Rank: 2nd Driest

Mean: -0.08

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

October - December 1924 Massachusetts Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West	-1.93	-1.86	5	-0.07
2. Central	-2.40	-2.30	2	-0.11
3. Coastal	-2.08	-2.04	6	-0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping