Liliana noted that the temperature was 45 degrees when she woke up. At noon she started recording the increase in degrees from the morning temperature. A histogram titled Temperature has time of day on the x-axis and increase in degrees on the y-axis. 12 to 2 pm is 12 degrees; 2 to 4 pm is 18; 4 to 6 pm is 24; 6 to 8 pm is 20; 8 to 10 pm is 14; 10 to 12 am is 5.

Which statement most reasonably explains the hours after the peak increase in temperature?
The temperature always rises after a peak.
The temperature increase went down because the thermometer’s battery was losing power.
The temperature increase went down because it became cooler as the sun went down for the night.
The temperature rose after the peak when the sun came out from behind a cloud bank.