County Rankings

County Data Info
Please note, Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.
  • Record Lowest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Highest
Period Value Anomaly Base Period
Mean		 Anomaly Rank
(Begin Year-End Year)		 Lowest/Highest
Since		 Record

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