ValueRankAnomalyMean

Divisional Palmer Z-Index

July - September 1925

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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July - September 1925 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	0.37	79	0.38	-0.01
2. East Central Mountains	0.32	76	0.29	0.03
3. Southeastern Piedmont	-0.37	53	-0.43	0.06
4. Lower Susquehanna	-0.78	36	-0.98	0.20
5. Middle Susquehanna	-0.09	58	-0.19	0.10
6. Upper Susquehanna	0.91	90	0.81	0.10
7. Central Mountains	-0.56	52	-0.57	0.01
8. South Central Mountains	-1.52	20	-1.54	0.02
9. Southwest Plateau	-1.01	31	-1.00	-0.01
10. Northwest Plateau	-0.09	72	-0.10	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping