ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1940

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1940 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.36	0.41	78	-0.05
2. East Central Mountains	0.24	0.26	67	-0.02
3. Southeastern Piedmont	0.55	0.59	79	-0.03
4. Lower Susquehanna	1.16	1.23	103	-0.07
5. Middle Susquehanna	0.25	0.32	67	-0.08
6. Upper Susquehanna	-0.27	-0.19	51	-0.09
7. Central Mountains	0.20	0.30	70	-0.10
8. South Central Mountains	0.04	0.14	70	-0.10
9. Southwest Plateau	0.13	0.15	61	-0.03
10. Northwest Plateau	-0.35	-0.31	47	-0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping