The chart compares the average daily temperature, in degrees Celsius, of three unspecified cities in 12 months of a year.
Overall, the temperature in city A is the hottest throughout the year, while that for city C is the coldest. Additionally, the temperature of all cities tends to peak in July and hit a low in January. It is also important to note that City C is the only one which reaches the negative degrees.
Regarding the first six months, in January, city A is recorded as reaching 5, far higher than city B and C ,at 0 and -5 respectively. These all increase steadily by the same degrees of 1, 4, 5 in the following months, before reaching 25, 20 and 15 for city A, B and C in June.
Concerning the remaining months, July also observes another growth of 5 degrees to 30, 25 and 20 respectively. Then, the temperature starts to fall, from 30, 25 and 20 to 28, 24 and 18 in that order. These decrease gradually until December, when the temperature reaches 6, 2 and -3 respectively, which relatively equal to January.
