ValueAnomalyRankMean

Divisional Palmer Z-Index

December 1921 - February 1922

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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December 1921 - February 1922 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.88	-0.94	18	0.06
2. East Central Mountains	-0.36	-0.50	45	0.14
3. Southeastern Piedmont	-0.64	-0.76	24	0.12
4. Lower Susquehanna	-0.43	-0.54	45	0.11
5. Middle Susquehanna	-0.66	-0.80	34	0.14
6. Upper Susquehanna	-1.05	-1.08	17	0.02
7. Central Mountains	-0.90	-0.99	19	0.09
8. South Central Mountains	-0.16	-0.24	55	0.08
9. Southwest Plateau	-0.53	-0.64	28	0.11
10. Northwest Plateau	-1.14	-1.20	9	0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping