ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1907

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1907 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	1.77	1.81	119	-0.05
2. East Central Mountains	1.81	1.83	121	-0.02
3. Southeastern Piedmont	2.13	2.16	121	-0.03
4. Lower Susquehanna	1.51	1.58	113	-0.07
5. Middle Susquehanna	1.58	1.66	117	-0.08
6. Upper Susquehanna	1.45	1.54	113	-0.09
7. Central Mountains	0.91	1.01	94	-0.10
8. South Central Mountains	1.05	1.15	97	-0.10
9. Southwest Plateau	0.94	0.97	92	-0.03
10. Northwest Plateau	0.60	0.64	86	-0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping