ValueRankAnomalyMean

Divisional Palmer Z-Index

September - November 1912

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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September - November 1912 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	0.62	88	0.66	-0.04
2. East Central Mountains	0.78	93	0.81	-0.03
3. Southeastern Piedmont	0.31	74	0.35	-0.04
4. Lower Susquehanna	0.10	69	0.12	-0.02
5. Middle Susquehanna	1.27	107	1.30	-0.03
6. Upper Susquehanna	1.52	113	1.55	-0.03
7. Central Mountains	0.66	91	0.70	-0.04
8. South Central Mountains	1.12	101	1.16	-0.04
9. Southwest Plateau	0.31	80	0.34	-0.03
10. Northwest Plateau	0.34	78	0.36	-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