ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1937

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Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 1.15

Anomaly: 1.22

Rank: 28th Wettest

Mean: -0.07

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October - December 1937 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.44	0.49	81	-0.05
2. East Central Mountains	0.59	0.61	88	-0.02
3. Southeastern Piedmont	0.72	0.76	91	-0.03
4. Lower Susquehanna	1.59	1.66	117	-0.07
5. Middle Susquehanna	1.37	1.44	111	-0.08
6. Upper Susquehanna	1.00	1.08	101	-0.09
7. Central Mountains	1.44	1.54	114	-0.10
8. South Central Mountains	1.38	1.48	106	-0.10
9. Southwest Plateau	1.15	1.18	101	-0.03
10. Northwest Plateau	0.63	0.67	87	-0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping