ValueAnomalyRankMean

Divisional Palmer Z-Index

July - September 1906

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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July - September 1906 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.67	-0.66	38	-0.01
2. East Central Mountains	-0.24	-0.27	54	0.03
3. Southeastern Piedmont	0.54	0.49	80	0.06
4. Lower Susquehanna	0.79	0.59	90	0.20
5. Middle Susquehanna	0.28	0.18	70	0.10
6. Upper Susquehanna	0.02	-0.08	65	0.10
7. Central Mountains	0.11	0.10	72	0.01
8. South Central Mountains	0.67	0.65	87	0.02
9. Southwest Plateau	0.88	0.89	94	-0.01
10. Northwest Plateau	-0.08	-0.08	73	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping