ValueAnomalyRankMean

Divisional Palmer Z-Index

July - September 1997

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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July - September 1997 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.12	-0.11	59	-0.01
2. East Central Mountains	0.52	0.49	79	0.03
3. Southeastern Piedmont	-0.64	-0.69	43	0.06
4. Lower Susquehanna	-0.41	-0.61	47	0.20
5. Middle Susquehanna	0.33	0.23	72	0.10
6. Upper Susquehanna	-0.04	-0.14	61	0.10
7. Central Mountains	0.70	0.69	86	0.01
8. South Central Mountains	0.21	0.19	68	0.02
9. Southwest Plateau	0.06	0.08	65	-0.01
10. Northwest Plateau	-0.18	-0.19	68	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping