A hygrothermograph is used by the weather services to record…
A hygrothermograph is used by the weather services to record temperature and relative humidity (see figure labeled “Hygrothermograph”). The lower part of the graph is used to measure relative humidity from 0% to 100%. The upper part of the graph is used to measure temperature from 10° F to 110° F. What is the relative humidity at 2:00 p.m.? Use the data in the figure to answer this question.