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 1951 - January 1952
-4-3-2-11234
Pennsylvania (Hover over a Climate Division)
Z-IndexPalmer Z-Index: 2.22
Rank: 4th Wettest
Anomaly: 2.21
Mean: 0.01
November 1951 - January 1952 Pennsylvania Divisional Palmer Z-Index
Climate Division
Value
Rank
130 Years
Anomaly
1901-2000 Mean
1. Pocono Mountains2.021252.06-0.04
2. East Central Mountains2.491272.490.00
3. Southeastern Piedmont2.381262.40-0.03
4. Lower Susquehanna1.801231.790.01
5. Middle Susquehanna1.671211.640.03
6. Upper Susquehanna1.411151.43-0.02
7. Central Mountains1.881251.850.02
8. South Central Mountains1.281111.270.02
9. Southwest Plateau1.871221.800.07
10. Northwest Plateau2.621292.570.05

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