ValueRankAnomalyMean

Divisional Palmer Z-Index

December 1908 - February 1909

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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December 1908 - February 1909 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	0.69	96	0.63	0.06
2. East Central Mountains	0.86	96	0.72	0.14
3. Southeastern Piedmont	0.50	90	0.38	0.12
4. Lower Susquehanna	-0.38	47	-0.49	0.11
5. Middle Susquehanna	0.46	83	0.32	0.14
6. Upper Susquehanna	-0.17	52	-0.19	0.02
7. Central Mountains	0.40	79	0.31	0.09
8. South Central Mountains	-0.57	34	-0.65	0.08
9. Southwest Plateau	0.38	79	0.27	0.11
10. Northwest Plateau	0.57	89	0.50	0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 11, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping