ValueRankAnomalyMean

Divisional Palmer Z-Index

December 1980 - February 1981

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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December 1980 - February 1981 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	0.36	83	0.30	0.06
2. East Central Mountains	-0.23	53	-0.37	0.14
3. Southeastern Piedmont	-1.20	10	-1.32	0.12
4. Lower Susquehanna	-0.59	37	-0.70	0.11
5. Middle Susquehanna	0.13	65	-0.01	0.14
6. Upper Susquehanna	0.17	70	0.15	0.02
7. Central Mountains	-0.26	42	-0.36	0.09
8. South Central Mountains	-0.53	36	-0.61	0.08
9. Southwest Plateau	-0.65	25	-0.76	0.11
10. Northwest Plateau	-0.22	48	-0.28	0.07

Citing This Page

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