Use the chart below to find the relative humidity. Subtract wet-bulb temperature from the dry-bulb temperature, and then compare the difference to the dry-bulb temperature on the chart to arrive at the
relative humidity.
Difference between wet-bulb and dry-bulb temperatures (°C)

7. Given the dry bulb temperature is 24°C and the wet bulb temperature is 22 °C, what is the relative
humidity?
8. Given the dry bulb temperature is 30°C and the wet bulb temperature is 22 °C, what is the relative