ValueRankAnomalyMean

Divisional Palmer Z-Index

September - November 1907

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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September - November 1907 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	2.36	126	2.40	-0.04
2. East Central Mountains	2.48	127	2.50	-0.03
3. Southeastern Piedmont	2.69	127	2.73	-0.04
4. Lower Susquehanna	1.95	119	1.96	-0.02
5. Middle Susquehanna	1.77	117	1.80	-0.03
6. Upper Susquehanna	2.05	120	2.08	-0.03
7. Central Mountains	1.46	113	1.50	-0.04
8. South Central Mountains	1.86	116	1.91	-0.04
9. Southwest Plateau	1.19	103	1.21	-0.03
10. Northwest Plateau	0.86	99	0.87	-0.01

Citing This Page

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