ValueAnomalyRankMean

Divisional Palmer Z-Index

December 2018 - February 2019

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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December 2018 - February 2019 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	1.23	1.17	111	0.06
2. East Central Mountains	1.19	1.05	110	0.14
3. Southeastern Piedmont	1.22	1.10	113	0.12
4. Lower Susquehanna	1.65	1.54	120	0.11
5. Middle Susquehanna	1.96	1.82	121	0.14
6. Upper Susquehanna	1.22	1.20	114	0.02
7. Central Mountains	1.76	1.66	123	0.09
8. South Central Mountains	2.47	2.39	129	0.08
9. Southwest Plateau	2.14	2.03	126	0.11
10. Northwest Plateau	0.96	0.90	105	0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping