NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
July - September 1900
-4-3-2-11234
Pennsylvania (Hover over a Climate Division)
Z-IndexPalmer Z-Index: -1.58
Rank: 19th Driest
Anomaly: -1.63
Mean: 0.05
Climate Division | Value | Rank 130 Years | Anomaly | 1901- |
|---|---|---|---|---|
| 1. Pocono Mountains | -1.40 | 20 | -1.39 | -0.01 |
| 2. East Central Mountains | -1.08 | 27 | -1.11 | 0.03 |
| 3. Southeastern Piedmont | -0.61 | 45 | -0.66 | 0.06 |
| 4. Lower Susquehanna | -0.94 | 29 | -1.14 | 0.20 |
| 5. Middle Susquehanna | -2.31 | 5 | -2.41 | 0.10 |
| 6. Upper Susquehanna | -2.31 | 3 | -2.41 | 0.10 |
| 7. Central Mountains | -2.35 | 5 | -2.37 | 0.01 |
| 8. South Central Mountains | -1.23 | 28 | -1.25 | 0.02 |
| 9. Southwest Plateau | -0.82 | 37 | -0.80 | -0.01 |
| 10. Northwest Plateau | -1.10 | 30 | -1.10 | 0.00 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
