ValueRankAnomalyMean

Divisional Palmer Z-Index

July - September 1949

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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July - September 1949 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	-0.58	46	-0.57	-0.01
2. East Central Mountains	-0.51	45	-0.54	0.03
3. Southeastern Piedmont	-0.60	46	-0.66	0.06
4. Lower Susquehanna	0.78	89	0.58	0.20
5. Middle Susquehanna	-0.17	55	-0.27	0.10
6. Upper Susquehanna	-0.51	45	-0.61	0.10
7. Central Mountains	-0.95	35	-0.96	0.01
8. South Central Mountains	0.78	90	0.76	0.02
9. Southwest Plateau	-0.54	46	-0.53	-0.01
10. Northwest Plateau	-0.30	63	-0.30	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 14, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping