Aridity Index Trend
(change/decade)
  • > 1.40
  • 1.20 – 1.40
  • 1.00 – 1.20
  • 0.80 – 1.00
  • 0.60 – 0.80
  • 0.40 – 0.60
  • 0.35 – 0.40
  • 0.30 – 0.35
  • 0.25 – 0.30
  • 0.20 – 0.25
  • 0.15 – 0.20
  • 0.10 – 0.15
  • 0.05 – 0.10
  • 0.00 – 0.05
  • < 0.00
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