Calculate the wind chill temperature based on actual temperature and wind speed.
Wind Chill (°F) = 35.74 + 0.6215×T - 35.75×V^0.16 + 0.4275×T×V^0.16
Where T is air temperature in °F and V is wind speed in mph. Valid for temperatures ≤ 50°F and wind speeds ≥ 3 mph.