Temperature Changes Over a Week

The following line graph illustrates the temperature changes in a city over the course of a week. The vertical axis represents temperature in degrees Celsius, while the horizontal axis represents the days of the week from Monday to Sunday.

On Monday, the temperature was 20°C, and it rose slightly to 22°C on Tuesday. By Wednesday, it peaked at 25°C before falling back to 21°C on Thursday. The temperature remained stable on Friday at 21°C, then dropped to 19°C on Saturday before rising again to 21°C on Sunday.