ValueAnomalyRankMean

Divisional Palmer Z-Index Rank (130 years)

November 1898 - January 1899

Driest⇣⅒⇣ ⅓Near Normal⇡ ⅓⇡⅒Wettest

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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November 1898 - January 1899 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Pocono Mountains	0.86	0.90	104	-0.04
2. East Central Mountains	1.01	1.01	110	0.00
3. Southeastern Piedmont	1.44	1.47	116	-0.03
4. Lower Susquehanna	0.96	0.95	110	0.01
5. Middle Susquehanna	0.63	0.60	90	0.03
6. Upper Susquehanna	0.45	0.47	81	-0.02
7. Central Mountains	-0.08	-0.10	62	0.02
8. South Central Mountains	0.30	0.28	77	0.02
9. Southwest Plateau	0.73	0.66	90	0.07
10. Northwest Plateau	-0.04	-0.09	57	0.05

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping