For example , if the temperature is 30 ° C ( 86 ° F ) , and the calculated humidex is 40 , then it indicates the humid heat feels approximately like a dry temperature of 40 ° C ( 104 ° F ) .
For example , if the temperature is 30 ° C ( 86 ° F ) and the calculated humidex is 40 , then that means the humid heat feels like a dry temperature of 40 ° C ( 104 ° F ) .