ValueAnomalyRankMean

Divisional Palmer Z-Index Rank (130 years)

August - October 1988

Driest⇣⅒⇣ ⅓Near Normal⇡ ⅓⇡⅒Wettest

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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August - October 1988 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-0.37	-0.41	50	0.04
2. East Central Mountains	-0.39	-0.49	49	0.09
3. Southeastern Piedmont	-0.79	-0.89	37	0.10
4. Lower Susquehanna	-1.22	-1.33	22	0.11
5. Middle Susquehanna	-0.56	-0.67	42	0.10
6. Upper Susquehanna	-0.49	-0.57	42	0.08
7. Central Mountains	-0.47	-0.51	50	0.04
8. South Central Mountains	-0.41	-0.42	55	0.01
9. Southwest Plateau	-0.74	-0.76	44	0.02
10. Northwest Plateau	-0.15	-0.19	62	0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping