Value Anomaly Rank Mean

Divisional Palmer Z-Index

July - September 1932

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-Index Palmer Z-Index : -2.16

Anomaly: -2.21

Rank: 6th Driest

Mean: 0.05

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

July - September 1932 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-1.40	-1.38	20	-0.01
2. East Central Mountains	-2.23	-2.25	5	0.03
3. Southeastern Piedmont	-1.72	-1.78	14	0.06
4. Lower Susquehanna	-1.60	-1.80	11	0.20
5. Middle Susquehanna	-2.49	-2.59	4	0.10
6. Upper Susquehanna	-1.52	-1.62	14	0.10
7. Central Mountains	-1.99	-2.00	8	0.01
8. South Central Mountains	-2.02	-2.04	9	0.02
9. Southwest Plateau	-1.72	-1.71	9	-0.01
10. Northwest Plateau	-1.68	-1.68	11	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on August 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping