This illustration shows an area chart with three areas painted orange, yellow, and green. The title of the chart says: "Temperature Monitoring (in Degrees C)." The horizontal axis contains numerical values from 1 to 31. The vertical axis contains the following values: -5, 0, 5, 10, 15, 20, and 25. The chart legend indicates that the orange area corresponds to March, the yellow area to April, and the green area to May.