Warmth Index:> 8.0 = Tropical (A)4.0 - 8.0 = Sub-Tropical (B)2.0 - 4.0 = Warm-Temperate (C)1.0 - 2.0 = Cool-Temperate (D)0.5 - 1.0 = Sub-Polar (E)< 0.5 = Polar (F) |
Moisture Index:> 2.0 = Super-Humid (s)1.0 - 2.0 = Humid (h)0.5 - 1.0 = Sub-Humid (x)0.25 - 0.5 = Semi-Arid (y)< 0.25 = Arid (z)
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