ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1971

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1971 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.23	0.27	74	-0.05
2. East Central Mountains	0.14	0.15	65	-0.02
3. Southeastern Piedmont	0.46	0.50	74	-0.03
4. Lower Susquehanna	0.25	0.32	76	-0.07
5. Middle Susquehanna	-0.56	-0.48	38	-0.08
6. Upper Susquehanna	-0.85	-0.77	28	-0.09
7. Central Mountains	-0.58	-0.48	40	-0.10
8. South Central Mountains	0.36	0.46	75	-0.10
9. Southwest Plateau	-0.45	-0.42	43	-0.03
10. Northwest Plateau	-0.35	-0.30	47	-0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping