The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.

-At what time was the temperature its lowest?
A)6 p.m.
B)1 p.m.
C)4 p.m.
D)9 a.m.

Question

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
 
-At what time was the temperature its lowest?
A)6 p.m. 
B)1 p.m. 
C)4 p.m. 
D)9 a.m.

Quizplus · Accepted Answer

The lowest temperature in a typical 24-hour day usually occurs just after sunrise, around dawn, which is closest to the option of 9 a.m. This is due to the absence of sunlight during the night, allowing the Earth's surface to cool, reaching its lowest temperature in the early morning before the sun rises high enough to start warming the surface again.

The Line Graph Shows the Recorded Hourly Temperatures in Degrees