ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1919

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Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.77

Anomaly: 0.80

Rank: 40th Wettest

Mean: -0.03

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September - November 1919 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.75	0.79	95	-0.04
2. East Central Mountains	0.34	0.37	77	-0.03
3. Southeastern Piedmont	0.15	0.18	65	-0.04
4. Lower Susquehanna	0.71	0.73	94	-0.02
5. Middle Susquehanna	0.24	0.28	71	-0.03
6. Upper Susquehanna	0.07	0.09	62	-0.03
7. Central Mountains	0.62	0.66	88	-0.04
8. South Central Mountains	0.66	0.70	92	-0.04
9. Southwest Plateau	1.69	1.72	112	-0.03
10. Northwest Plateau	0.38	0.39	81	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 5, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping