ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1905

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Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.83

Anomaly: 0.87

Rank: 37th Wettest

Mean: -0.03

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September - November 1905 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.00	0.04	62	-0.04
2. East Central Mountains	0.87	0.90	96	-0.03
3. Southeastern Piedmont	0.75	0.79	89	-0.04
4. Lower Susquehanna	0.44	0.45	85	-0.02
5. Middle Susquehanna	0.13	0.16	66	-0.03
6. Upper Susquehanna	-0.17	-0.14	52	-0.03
7. Central Mountains	0.40	0.44	81	-0.04
8. South Central Mountains	0.64	0.69	91	-0.04
9. Southwest Plateau	1.12	1.15	101	-0.03
10. Northwest Plateau	1.06	1.08	104	-0.01

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