ValueAnomalyRankMean

Divisional Palmer Z-Index

August - October 1978

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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August - October 1978 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.17	-0.22	55	0.04
2. East Central Mountains	0.74	0.64	88	0.09
3. Southeastern Piedmont	-0.16	-0.26	58	0.10
4. Lower Susquehanna	-0.77	-0.88	33	0.11
5. Middle Susquehanna	0.33	0.23	81	0.10
6. Upper Susquehanna	0.85	0.77	93	0.08
7. Central Mountains	0.65	0.61	85	0.04
8. South Central Mountains	-0.28	-0.29	59	0.01
9. Southwest Plateau	0.80	0.78	92	0.02
10. Northwest Plateau	0.61	0.58	81	0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 20, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping