ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1997

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1997 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.29	-0.24	50	-0.05
2. East Central Mountains	-0.54	-0.53	43	-0.02
3. Southeastern Piedmont	-0.91	-0.88	33	-0.03
4. Lower Susquehanna	0.19	0.26	72	-0.07
5. Middle Susquehanna	0.13	0.21	64	-0.08
6. Upper Susquehanna	0.09	0.18	62	-0.09
7. Central Mountains	0.71	0.81	90	-0.10
8. South Central Mountains	1.82	1.92	119	-0.10
9. Southwest Plateau	0.75	0.78	84	-0.03
10. Northwest Plateau	0.03	0.08	61	-0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 24, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping