Divisional Mapping

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.
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Divisional Palmer Z-Index
September - November 1929
-4-3-2-11234
Pennsylvania (Hover over a Climate Division)
Z-IndexPalmer Z-Index: 1.24
Rank: 23rd Wettest
Anomaly: 1.27
Mean: -0.03
September - November 1929 Pennsylvania Divisional Palmer Z-Index
Climate Division
Value
Rank
130 Years
Anomaly
1901-2000 Mean
1. Pocono Mountains0.64890.68-0.04
2. East Central Mountains0.92980.95-0.03
3. Southeastern Piedmont1.161021.19-0.04
4. Lower Susquehanna1.581121.60-0.02
5. Middle Susquehanna1.371121.41-0.03
6. Upper Susquehanna0.38720.41-0.03
7. Central Mountains1.231051.27-0.04
8. South Central Mountains1.691111.73-0.04
9. Southwest Plateau1.621091.64-0.03
10. Northwest Plateau0.881000.89-0.01

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