ValueRankAnomalyMean

Divisional Palmer Z-Index Anomaly

September - November 1897

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Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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September - November 1897 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	-0.63	41	-0.59	-0.04
2. East Central Mountains	-0.37	47	-0.34	-0.03
3. Southeastern Piedmont	-0.35	51	-0.31	-0.04
4. Lower Susquehanna	-0.18	58	-0.16	-0.02
5. Middle Susquehanna	-0.14	55	-0.11	-0.03
6. Upper Susquehanna	-0.81	36	-0.78	-0.03
7. Central Mountains	-0.85	33	-0.81	-0.04
8. South Central Mountains	-0.51	49	-0.46	-0.04
9. Southwest Plateau	-0.77	39	-0.75	-0.03
10. Northwest Plateau	-1.10	29	-1.09	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping