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A heat index and wind chill calculator determines the perceived temperature ("feels like") based on actual temperature, humidity (heat index above 27°C) or wind speed (wind chill below 10°C). High humidity makes hot temperatures feel hotter because sweat evaporation slows; strong winds make cold temperatures feel colder by removing the insulating air layer.

Trin-for-trin guide

1. 1Input air temperature and wind speed
2. 2Calculate wind chill factor
3. 3Determine apparent temperature

Løste eksempler

Almindelige fejl at undgå

• ✕Not double-checking results
• ✕Ignoring edge cases

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