ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1974

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1974 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.35	-0.31	48	-0.05
2. East Central Mountains	-0.56	-0.54	42	-0.02
3. Southeastern Piedmont	-0.23	-0.20	51	-0.03
4. Lower Susquehanna	-0.69	-0.62	43	-0.07
5. Middle Susquehanna	-0.22	-0.14	52	-0.08
6. Upper Susquehanna	0.33	0.42	74	-0.09
7. Central Mountains	0.13	0.23	67	-0.10
8. South Central Mountains	-0.59	-0.49	40	-0.10
9. Southwest Plateau	0.58	0.61	81	-0.03
10. Northwest Plateau	0.15	0.20	72	-0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping