ValueAnomalyRankMean

Divisional Palmer Z-Index

August - October 1972

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Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.27

Anomaly: -1.35

Rank: 21st Driest

Mean: 0.07

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August - October 1972 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-1.47	-1.51	14	0.04
2. East Central Mountains	-1.64	-1.74	11	0.09
3. Southeastern Piedmont	-1.54	-1.64	17	0.10
4. Lower Susquehanna	-1.60	-1.71	12	0.11
5. Middle Susquehanna	-1.64	-1.74	9	0.10
6. Upper Susquehanna	-1.22	-1.30	23	0.08
7. Central Mountains	-1.14	-1.18	26	0.04
8. South Central Mountains	-0.66	-0.67	43	0.01
9. Southwest Plateau	0.01	-0.01	60	0.02
10. Northwest Plateau	-0.04	-0.08	68	0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 5, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping