ValueRankAnomalyMean

Divisional Palmer Z-Index

November 1929 - January 1930

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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November 1929 - January 1930 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	-0.50	52	-0.46	-0.04
2. East Central Mountains	-0.83	32	-0.83	0.00
3. Southeastern Piedmont	-0.43	48	-0.40	-0.03
4. Lower Susquehanna	-0.32	52	-0.33	0.01
5. Middle Susquehanna	-0.34	54	-0.37	0.03
6. Upper Susquehanna	0.22	72	0.24	-0.02
7. Central Mountains	0.25	78	0.23	0.02
8. South Central Mountains	-0.32	51	-0.33	0.02
9. Southwest Plateau	0.35	75	0.28	0.07
10. Northwest Plateau	1.24	114	1.19	0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping