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
November 1970 - January 1971
-4-3-2-11234
Pennsylvania (Hover over a Climate Division)
Z-IndexPalmer Z-Index: 0.92
Rank: 30th Wettest
Anomaly: 0.91
Mean: 0.01
November 1970 - January 1971 Pennsylvania Divisional Palmer Z-Index
Climate Division
Value
Rank
130 Years
Anomaly
1901-2000 Mean
1. Pocono Mountains-0.0568-0.01-0.04
2. East Central Mountains0.43920.440.00
3. Southeastern Piedmont0.43910.46-0.03
4. Lower Susquehanna1.151131.140.01
5. Middle Susquehanna0.71950.680.03
6. Upper Susquehanna0.13700.15-0.02
7. Central Mountains1.261121.240.02
8. South Central Mountains2.211242.190.02
9. Southwest Plateau1.00970.930.07
10. Northwest Plateau0.77950.720.05

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