ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1955

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1955 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	2.20	2.24	125	-0.04
2. East Central Mountains	1.29	1.31	112	-0.03
3. Southeastern Piedmont	0.49	0.53	80	-0.04
4. Lower Susquehanna	0.36	0.37	83	-0.02
5. Middle Susquehanna	1.26	1.29	105	-0.03
6. Upper Susquehanna	1.73	1.76	118	-0.03
7. Central Mountains	0.93	0.97	101	-0.04
8. South Central Mountains	-0.01	0.03	67	-0.04
9. Southwest Plateau	-0.04	-0.02	63	-0.03
10. Northwest Plateau	0.75	0.76	93	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping