Value Anomaly Rank Mean

Divisional Palmer Z-Index

November 1925 - January 1926

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

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**Insufficient variability in the data record renders rank insignificant

November 1925 - January 1926 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.23	-0.19	62	-0.04
2. East Central Mountains	-0.22	-0.22	64	0.00
3. Southeastern Piedmont	-0.44	-0.41	45	-0.03
4. Lower Susquehanna	0.16	0.15	68	0.01
5. Middle Susquehanna	-0.03	-0.06	64	0.03
6. Upper Susquehanna	-0.03	-0.01	63	-0.02
7. Central Mountains	-0.17	-0.19	57	0.02
8. South Central Mountains	0.33	0.31	78	0.02
9. Southwest Plateau	0.11	0.04	63	0.07
10. Northwest Plateau	-0.27	-0.32	49	0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on August 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping