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UTCI Calculator

Please note: The given polynomial approximation
limits the application of this procedure
to values of wind speed between 0.5 and 17 m/s!
Air temperature Ta
° Celsius

Δ Tmrt = Tmrt - Ta

Water vapour pressure

Rel. humidity RH

Wind speed v in 10m

Author of F77 UTCI source code: Barbara Wojtach, Institute of Meteorology and Hydrology, Warsaw, Poland, based on original F90 UTCI source code of Peter Broede, IfADo - Leibniz Research Centre for Working Environment and Human Factors at Dortmund Technical University, Germany.