Chapter 6.2, Problem 48E

To determine

To calculate: The temperature-humidity index for the index,

$T_{\text{h}}=1.98T-1.09\left(1-H\right)\left(T-58\right)-56.9$ if $T=78°f$ and $H=100\%$.

Here, $T$ is the air temperature and $H$ is the relative humidity.