ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1938

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1938 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.89	0.93	100	-0.04
2. East Central Mountains	1.09	1.12	105	-0.03
3. Southeastern Piedmont	1.15	1.18	101	-0.04
4. Lower Susquehanna	-0.22	-0.20	57	-0.02
5. Middle Susquehanna	-0.21	-0.18	52	-0.03
6. Upper Susquehanna	0.60	0.62	84	-0.03
7. Central Mountains	-1.38	-1.34	22	-0.04
8. South Central Mountains	-1.63	-1.58	19	-0.04
9. Southwest Plateau	-1.38	-1.35	20	-0.03
10. Northwest Plateau	0.04	0.05	63	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping