ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 2018

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 2018 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	2.72	2.76	128	-0.05
2. East Central Mountains	2.67	2.68	129	-0.02
3. Southeastern Piedmont	2.59	2.63	128	-0.03
4. Lower Susquehanna	2.81	2.88	130	-0.07
5. Middle Susquehanna	2.81	2.89	130	-0.08
6. Upper Susquehanna	2.47	2.56	126	-0.09
7. Central Mountains	2.65	2.75	128	-0.10
8. South Central Mountains	2.94	3.04	130	-0.10
9. Southwest Plateau	2.75	2.78	129	-0.03
10. Northwest Plateau	1.62	1.66	118	-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