A Hygrothermograph Is Used by the Weather Services to Record

question 53

Multiple Choice

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 12:00 midnight? Use the data in the figure to answer this question.

• A) 97 %
• B) 76 %
• C) 83 %
• D) 87 %
• E) 90 %