Value Anomaly Rank Mean

Divisional Palmer Z-Index

December 1922 - February 1923

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

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**Insufficient variability in the data record renders rank insignificant

December 1922 - February 1923 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.26	0.20	78	0.06
2. East Central Mountains	-0.28	-0.42	48	0.14
3. Southeastern Piedmont	-0.62	-0.74	28	0.12
4. Lower Susquehanna	-0.61	-0.72	35	0.11
5. Middle Susquehanna	-0.04	-0.18	53	0.14
6. Upper Susquehanna	-0.54	-0.56	36	0.02
7. Central Mountains	0.07	-0.02	62	0.09
8. South Central Mountains	-0.40	-0.49	44	0.08
9. Southwest Plateau	-0.10	-0.21	52	0.11
10. Northwest Plateau	0.44	0.37	82	0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published August 2025, retrieved on August 11, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping