ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 2011

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Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 2011 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.80	0.84	99	-0.05
2. East Central Mountains	0.99	1.00	107	-0.02
3. Southeastern Piedmont	1.11	1.15	108	-0.03
4. Lower Susquehanna	1.33	1.40	110	-0.07
5. Middle Susquehanna	1.48	1.56	115	-0.08
6. Upper Susquehanna	1.13	1.21	103	-0.09
7. Central Mountains	1.58	1.68	119	-0.10
8. South Central Mountains	1.83	1.93	120	-0.10
9. Southwest Plateau	2.01	2.04	119	-0.03
10. Northwest Plateau	1.77	1.81	123	-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