ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1951

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1951 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	1.81	1.86	120	-0.05
2. East Central Mountains	2.20	2.22	124	-0.02
3. Southeastern Piedmont	1.62	1.65	116	-0.03
4. Lower Susquehanna	0.63	0.70	88	-0.07
5. Middle Susquehanna	0.82	0.90	96	-0.08
6. Upper Susquehanna	0.27	0.36	73	-0.09
7. Central Mountains	-0.06	0.04	56	-0.10
8. South Central Mountains	-0.25	-0.15	57	-0.10
9. Southwest Plateau	-0.35	-0.32	48	-0.03
10. Northwest Plateau	0.31	0.36	76	-0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 21, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping