ValueRankAnomalyMean

Divisional Palmer Z-Index

September - November 1984

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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September - November 1984 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	-1.80	12	-1.76	-0.04
2. East Central Mountains	-1.64	16	-1.62	-0.03
3. Southeastern Piedmont	-1.06	27	-1.02	-0.04
4. Lower Susquehanna	-0.30	51	-0.29	-0.02
5. Middle Susquehanna	-0.74	37	-0.71	-0.03
6. Upper Susquehanna	-0.44	45	-0.41	-0.03
7. Central Mountains	-0.47	51	-0.43	-0.04
8. South Central Mountains	-0.07	65	-0.02	-0.04
9. Southwest Plateau	0.28	77	0.31	-0.03
10. Northwest Plateau	0.17	72	0.18	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping