Question: how to use wbgt index?
Answer: For outdoors with direct sun exposure: WBGT = 0.7 x Tempwet bulb + 0.2 x Tempglobe + 0.1 x Tempair
For indoors or outdoors without direct sun exposure: WBGT = 0.7 x Tempwet bulb + 0.3 x Tempglobe