Value Anomaly Rank Mean

Divisional Palmer Z-Index Anomaly (1901-2000 mean)

June - August 1954

-7-5-3-11357

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

June - August 1954 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	-1.30	-1.31	24	0.01
2. East Central Mountains	-1.31	-1.36	24	0.05
3. Southeastern Piedmont	-1.36	-1.40	22	0.05
4. Lower Susquehanna	-1.10	-1.29	23	0.19
5. Middle Susquehanna	-0.78	-0.89	37	0.10
6. Upper Susquehanna	-0.92	-1.06	33	0.13
7. Central Mountains	-0.50	-0.51	51	0.01
8. South Central Mountains	0.78	0.75	95	0.03
9. Southwest Plateau	0.83	0.79	89	0.04
10. Northwest Plateau	-1.15	-1.15	28	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping