ValueRankAnomalyMean

Divisional Palmer Z-Index

November 2020 - January 2021

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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November 2020 - January 2021 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	-0.23	62	-0.19	-0.04
2. East Central Mountains	0.05	71	0.05	0.00
3. Southeastern Piedmont	0.22	77	0.25	-0.03
4. Lower Susquehanna	-0.71	36	-0.72	0.01
5. Middle Susquehanna	-0.59	39	-0.62	0.03
6. Upper Susquehanna	0.19	71	0.21	-0.02
7. Central Mountains	-0.47	37	-0.49	0.02
8. South Central Mountains	-0.48	44	-0.50	0.02
9. Southwest Plateau	-0.93	24	-1.00	0.07
10. Northwest Plateau	-0.55	30	-0.60	0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on July 5, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping