ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1990

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 2.57

Anomaly: 2.64

Rank: 4th Wettest

Mean: -0.07

Text Labels

Download: CSV JSON XML

October - December 1990 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	1.71	1.76	118	-0.05
2. East Central Mountains	1.52	1.54	118	-0.02
3. Southeastern Piedmont	0.64	0.67	86	-0.03
4. Lower Susquehanna	1.93	2.00	123	-0.07
5. Middle Susquehanna	2.64	2.71	129	-0.08
6. Upper Susquehanna	2.88	2.96	128	-0.09
7. Central Mountains	2.46	2.56	127	-0.10
8. South Central Mountains	2.52	2.62	128	-0.10
9. Southwest Plateau	2.56	2.59	127	-0.03
10. Northwest Plateau	2.59	2.63	129	-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