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
October - December 1930
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Massachusetts (Hover over a Climate Division)
Z-IndexPalmer Z-Index: -1.00
Anomaly: -0.92
Rank: 29th Driest
Mean: -0.08
October - December 1930 Massachusetts Divisional Palmer Z-Index
Climate Division
Value
Anomaly
Rank
130 Years
1901-2000 Mean
1. West-1.62-1.5512-0.07
2. Central-0.99-0.8826-0.11
3. Coastal-0.29-0.2453-0.05

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