ValueRankAnomalyMean

Divisional Palmer Z-Index

September - November 1974

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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September - November 1974 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	0.14	65	0.18	-0.04
2. East Central Mountains	-0.10	56	-0.07	-0.03
3. Southeastern Piedmont	0.09	64	0.12	-0.04
4. Lower Susquehanna	-0.65	38	-0.64	-0.02
5. Middle Susquehanna	0.01	61	0.05	-0.03
6. Upper Susquehanna	0.60	84	0.62	-0.03
7. Central Mountains	0.55	87	0.59	-0.04
8. South Central Mountains	-0.95	37	-0.90	-0.04
9. Southwest Plateau	1.00	100	1.02	-0.03
10. Northwest Plateau	0.90	101	0.92	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping